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support elfloader for shared object and relocatable object

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1. elfloader for shared object
example: TencentOS-tiny\examples\elfloader_shared_object
keil: TencentOS-tiny\board\TencentOS_tiny_EVB_MX_Plus\KEIL\elfloader_shared_object

2. elfloader for relocatable object:
example: TencentOS-tiny\examples\elfloader_relocatable_object
keil: TencentOS-tiny\board\TencentOS_tiny_EVB_MX_Plus\KEIL\elfloader_relocatable_object

3. TODO:
- add icache/dcache flush when module is loaded
- support more relocation type in elfloader_arch_relocate
This commit is contained in:
daishengdong
2020-06-09 19:30:38 +08:00
parent dc0c649c7c
commit 0a2d5a4e90
35 changed files with 7342 additions and 10 deletions
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1
arch/arm/arm-v7a/common/include/tos_arm.h
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@@ -41,3 +41,4 @@
})
#endif /* _TOS_ARM_H_ */

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board/TencentOS_tiny_EVB_MX_Plus/KEIL/elfloader_relocatable_object/TencentOS_tiny.uvoptx Normal file
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board/TencentOS_tiny_EVB_MX_Plus/KEIL/elfloader_relocatable_object/TencentOS_tiny.uvprojx Normal file
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@@ -0,0 +1,917 @@
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<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_dac_ex.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_spi.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_spi.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_spi_ex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_spi_ex.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_ll_sdmmc.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_ll_sdmmc.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_sd.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_sd.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_sd_ex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_sd_ex.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>Drivers/CMSIS</GroupName>
<Files>
<File>
<FileName>system_stm32l4xx.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Src\system_stm32l4xx.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>Hardware</GroupName>
<Files>
<File>
<FileName>DHT11_BUS.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Hardware\DHT11\DHT11_BUS.c</FilePath>
</File>
<File>
<FileName>oled.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Hardware\OLED\oled.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>kernel</GroupName>
<Files>
<File>
<FileName>tos_binary_heap.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_binary_heap.c</FilePath>
</File>
<File>
<FileName>tos_char_fifo.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_char_fifo.c</FilePath>
</File>
<File>
<FileName>tos_completion.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_completion.c</FilePath>
</File>
<File>
<FileName>tos_countdownlatch.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_countdownlatch.c</FilePath>
</File>
<File>
<FileName>tos_event.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_event.c</FilePath>
</File>
<File>
<FileName>tos_global.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_global.c</FilePath>
</File>
<File>
<FileName>tos_mail_queue.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_mail_queue.c</FilePath>
</File>
<File>
<FileName>tos_message_queue.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_message_queue.c</FilePath>
</File>
<File>
<FileName>tos_mmblk.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_mmblk.c</FilePath>
</File>
<File>
<FileName>tos_mmheap.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_mmheap.c</FilePath>
</File>
<File>
<FileName>tos_mutex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_mutex.c</FilePath>
</File>
<File>
<FileName>tos_pend.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_pend.c</FilePath>
</File>
<File>
<FileName>tos_priority_mail_queue.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_priority_mail_queue.c</FilePath>
</File>
<File>
<FileName>tos_priority_message_queue.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_priority_message_queue.c</FilePath>
</File>
<File>
<FileName>tos_priority_queue.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_priority_queue.c</FilePath>
</File>
<File>
<FileName>tos_ring_queue.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_ring_queue.c</FilePath>
</File>
<File>
<FileName>tos_robin.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_robin.c</FilePath>
</File>
<File>
<FileName>tos_sched.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_sched.c</FilePath>
</File>
<File>
<FileName>tos_sem.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_sem.c</FilePath>
</File>
<File>
<FileName>tos_sys.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_sys.c</FilePath>
</File>
<File>
<FileName>tos_task.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_task.c</FilePath>
</File>
<File>
<FileName>tos_tick.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_tick.c</FilePath>
</File>
<File>
<FileName>tos_time.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_time.c</FilePath>
</File>
<File>
<FileName>tos_timer.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_timer.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>cpu</GroupName>
<Files>
<File>
<FileName>port_s.S</FileName>
<FileType>2</FileType>
<FilePath>..\..\..\..\arch\arm\arm-v7m\cortex-m4\armcc\port_s.S</FilePath>
</File>
<File>
<FileName>tos_cpu.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\arch\arm\arm-v7m\common\tos_cpu.c</FilePath>
</File>
<File>
<FileName>port_c.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\arch\arm\arm-v7m\cortex-m4\armcc\port_c.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>cmsis</GroupName>
<Files>
<File>
<FileName>cmsis_os.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\osal\cmsis_os\cmsis_os.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>config</GroupName>
<Files>
<File>
<FileName>tos_config.h</FileName>
<FileType>5</FileType>
<FilePath>..\..\TOS-CONFIG\tos_config.h</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>fatfs</GroupName>
<Files>
<File>
<FileName>tos_diskio.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\fatfs\wrapper\tos_diskio.c</FilePath>
</File>
<File>
<FileName>tos_fatfs_drv.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\fatfs\wrapper\tos_fatfs_drv.c</FilePath>
</File>
<File>
<FileName>tos_fatfs_vfs.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\fatfs\wrapper\tos_fatfs_vfs.c</FilePath>
</File>
<File>
<FileName>tos_ff.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\fatfs\wrapper\tos_ff.c</FilePath>
</File>
<File>
<FileName>tos_ffsystem.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\fatfs\wrapper\tos_ffsystem.c</FilePath>
</File>
<File>
<FileName>tos_ffunicode.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\fatfs\wrapper\tos_ffunicode.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>vfs</GroupName>
<Files>
<File>
<FileName>tos_vfs.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\vfs\tos_vfs.c</FilePath>
</File>
<File>
<FileName>tos_vfs_device.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\vfs\tos_vfs_device.c</FilePath>
</File>
<File>
<FileName>tos_vfs_file.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\vfs\tos_vfs_file.c</FilePath>
</File>
<File>
<FileName>tos_vfs_fs.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\vfs\tos_vfs_fs.c</FilePath>
</File>
<File>
<FileName>tos_vfs_inode.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\vfs\tos_vfs_inode.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>hal</GroupName>
<Files>
<File>
<FileName>tos_hal_sd.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\hal\st\stm32l4xx\src\tos_hal_sd.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>elfloader/relocatable_object</GroupName>
<Files>
<File>
<FileName>tos_elfloader_relocatable_object.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\elfloader\relocatable_object\tos_elfloader_relocatable_object.c</FilePath>
</File>
<File>
<FileName>tos_elfloader_fd_read-vfs.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\elfloader\common\tos_elfloader_fd_read-vfs.c</FilePath>
</File>
<File>
<FileName>tos_elfloader_symtab.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\elfloader\common\tos_elfloader_symtab.c</FilePath>
</File>
<File>
<FileName>tos_elfloader_relocate-arm.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\elfloader\common\tos_elfloader_relocate-arm.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>::CMSIS</GroupName>
</Group>
</Groups>
</Target>
</Targets>
<RTE>
<apis/>
<components>
<component Cclass="CMSIS" Cgroup="CORE" Cvendor="ARM" Cversion="4.3.0" condition="CMSIS Core">
<package name="CMSIS" schemaVersion="1.3" url="http://www.keil.com/pack/" vendor="ARM" version="4.5.0"/>
<targetInfos>
<targetInfo name="TencentOS_tiny"/>
</targetInfos>
</component>
</components>
<files/>
</RTE>
</Project>

404
board/TencentOS_tiny_EVB_MX_Plus/KEIL/elfloader_relocatable_object/startup_stm32l431xx.s Normal file
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;********************** COPYRIGHT(c) 2017 STMicroelectronics ******************
;* File Name : startup_stm32l431xx.s
;* Author : MCD Application Team
;* Description : STM32L431xx Ultra Low Power devices vector table for MDK-ARM toolchain.
;* This module performs:
;* - Set the initial SP
;* - Set the initial PC == Reset_Handler
;* - Set the vector table entries with the exceptions ISR address
;* - Branches to __main in the C library (which eventually
;* calls main()).
;* After Reset the Cortex-M4 processor is in Thread mode,
;* priority is Privileged, and the Stack is set to Main.
;* <<< Use Configuration Wizard in Context Menu >>>
;*******************************************************************************
;*
;* Redistribution and use in source and binary forms, with or without modification,
;* are permitted provided that the following conditions are met:
;* 1. Redistributions of source code must retain the above copyright notice,
;* this list of conditions and the following disclaimer.
;* 2. Redistributions in binary form must reproduce the above copyright notice,
;* this list of conditions and the following disclaimer in the documentation
;* and/or other materials provided with the distribution.
;* 3. Neither the name of STMicroelectronics nor the names of its contributors
;* may be used to endorse or promote products derived from this software
;* without specific prior written permission.
;*
;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
;* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
;* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
;* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
;* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
;* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
;* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
;* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;*
;*******************************************************************************
;
; Amount of memory (in bytes) allocated for Stack
; Tailor this value to your application needs
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x100
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x100
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
; Vector Table Mapped to Address 0 at Reset
AREA RESET, DATA, READONLY
EXPORT __Vectors
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
DCD MemManage_Handler ; MPU Fault Handler
DCD BusFault_Handler ; Bus Fault Handler
DCD UsageFault_Handler ; Usage Fault Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SVC_Handler ; SVCall Handler
DCD DebugMon_Handler ; Debug Monitor Handler
DCD 0 ; Reserved
DCD PendSV_Handler ; PendSV Handler
DCD SysTick_Handler ; SysTick Handler
; External Interrupts
DCD WWDG_IRQHandler ; Window WatchDog
DCD PVD_PVM_IRQHandler ; PVD/PVM1/PVM2/PVM3/PVM4 through EXTI Line detection
DCD TAMP_STAMP_IRQHandler ; Tamper and TimeStamps through the EXTI line
DCD RTC_WKUP_IRQHandler ; RTC Wakeup through the EXTI line
DCD FLASH_IRQHandler ; FLASH
DCD RCC_IRQHandler ; RCC
DCD EXTI0_IRQHandler ; EXTI Line0
DCD EXTI1_IRQHandler ; EXTI Line1
DCD EXTI2_IRQHandler ; EXTI Line2
DCD EXTI3_IRQHandler ; EXTI Line3
DCD EXTI4_IRQHandler ; EXTI Line4
DCD DMA1_Channel1_IRQHandler ; DMA1 Channel 1
DCD DMA1_Channel2_IRQHandler ; DMA1 Channel 2
DCD DMA1_Channel3_IRQHandler ; DMA1 Channel 3
DCD DMA1_Channel4_IRQHandler ; DMA1 Channel 4
DCD DMA1_Channel5_IRQHandler ; DMA1 Channel 5
DCD DMA1_Channel6_IRQHandler ; DMA1 Channel 6
DCD DMA1_Channel7_IRQHandler ; DMA1 Channel 7
DCD ADC1_IRQHandler ; ADC1
DCD CAN1_TX_IRQHandler ; CAN1 TX
DCD CAN1_RX0_IRQHandler ; CAN1 RX0
DCD CAN1_RX1_IRQHandler ; CAN1 RX1
DCD CAN1_SCE_IRQHandler ; CAN1 SCE
DCD EXTI9_5_IRQHandler ; External Line[9:5]s
DCD TIM1_BRK_TIM15_IRQHandler ; TIM1 Break and TIM15
DCD TIM1_UP_TIM16_IRQHandler ; TIM1 Update and TIM16
DCD TIM1_TRG_COM_IRQHandler ; TIM1 Trigger and Commutation
DCD TIM1_CC_IRQHandler ; TIM1 Capture Compare
DCD TIM2_IRQHandler ; TIM2
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD I2C1_EV_IRQHandler ; I2C1 Event
DCD I2C1_ER_IRQHandler ; I2C1 Error
DCD I2C2_EV_IRQHandler ; I2C2 Event
DCD I2C2_ER_IRQHandler ; I2C2 Error
DCD SPI1_IRQHandler ; SPI1
DCD SPI2_IRQHandler ; SPI2
DCD USART1_IRQHandler ; USART1
DCD USART2_IRQHandler ; USART2
DCD USART3_IRQHandler ; USART3
DCD EXTI15_10_IRQHandler ; External Line[15:10]
DCD RTC_Alarm_IRQHandler ; RTC Alarm (A and B) through EXTI Line
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SDMMC1_IRQHandler ; SDMMC1
DCD 0 ; Reserved
DCD SPI3_IRQHandler ; SPI3
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD TIM6_DAC_IRQHandler ; TIM6 and DAC1&2 underrun errors
DCD TIM7_IRQHandler ; TIM7
DCD DMA2_Channel1_IRQHandler ; DMA2 Channel 1
DCD DMA2_Channel2_IRQHandler ; DMA2 Channel 2
DCD DMA2_Channel3_IRQHandler ; DMA2 Channel 3
DCD DMA2_Channel4_IRQHandler ; DMA2 Channel 4
DCD DMA2_Channel5_IRQHandler ; DMA2 Channel 5
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD COMP_IRQHandler ; COMP Interrupt
DCD LPTIM1_IRQHandler ; LP TIM1 interrupt
DCD LPTIM2_IRQHandler ; LP TIM2 interrupt
DCD 0 ; Reserved
DCD DMA2_Channel6_IRQHandler ; DMA2 Channel 6
DCD DMA2_Channel7_IRQHandler ; DMA2 Channel 7
DCD LPUART1_IRQHandler ; LP UART1 interrupt
DCD QUADSPI_IRQHandler ; Quad SPI global interrupt
DCD I2C3_EV_IRQHandler ; I2C3 event
DCD I2C3_ER_IRQHandler ; I2C3 error
DCD SAI1_IRQHandler ; Serial Audio Interface 1 global interrupt
DCD 0 ; Reserved
DCD SWPMI1_IRQHandler ; Serial Wire Interface 1 global interrupt
DCD TSC_IRQHandler ; Touch Sense Controller global interrupt
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD RNG_IRQHandler ; RNG global interrupt
DCD FPU_IRQHandler ; FPU
DCD CRS_IRQHandler ; CRS interrupt
__Vectors_End
__Vectors_Size EQU __Vectors_End - __Vectors
AREA |.text|, CODE, READONLY
; Reset handler
Reset_Handler PROC
EXPORT Reset_Handler [WEAK]
IMPORT SystemInit
IMPORT __main
LDR R0, =SystemInit
BLX R0
LDR R0, =__main
BX R0
ENDP
; Dummy Exception Handlers (infinite loops which can be modified)
NMI_Handler PROC
EXPORT NMI_Handler [WEAK]
B .
ENDP
HardFault_Handler\
PROC
EXPORT HardFault_Handler [WEAK]
B .
ENDP
MemManage_Handler\
PROC
EXPORT MemManage_Handler [WEAK]
B .
ENDP
BusFault_Handler\
PROC
EXPORT BusFault_Handler [WEAK]
B .
ENDP
UsageFault_Handler\
PROC
EXPORT UsageFault_Handler [WEAK]
B .
ENDP
SVC_Handler PROC
EXPORT SVC_Handler [WEAK]
B .
ENDP
DebugMon_Handler\
PROC
EXPORT DebugMon_Handler [WEAK]
B .
ENDP
PendSV_Handler PROC
EXPORT PendSV_Handler [WEAK]
B .
ENDP
SysTick_Handler PROC
EXPORT SysTick_Handler [WEAK]
B .
ENDP
Default_Handler PROC
EXPORT WWDG_IRQHandler [WEAK]
EXPORT PVD_PVM_IRQHandler [WEAK]
EXPORT TAMP_STAMP_IRQHandler [WEAK]
EXPORT RTC_WKUP_IRQHandler [WEAK]
EXPORT FLASH_IRQHandler [WEAK]
EXPORT RCC_IRQHandler [WEAK]
EXPORT EXTI0_IRQHandler [WEAK]
EXPORT EXTI1_IRQHandler [WEAK]
EXPORT EXTI2_IRQHandler [WEAK]
EXPORT EXTI3_IRQHandler [WEAK]
EXPORT EXTI4_IRQHandler [WEAK]
EXPORT DMA1_Channel1_IRQHandler [WEAK]
EXPORT DMA1_Channel2_IRQHandler [WEAK]
EXPORT DMA1_Channel3_IRQHandler [WEAK]
EXPORT DMA1_Channel4_IRQHandler [WEAK]
EXPORT DMA1_Channel5_IRQHandler [WEAK]
EXPORT DMA1_Channel6_IRQHandler [WEAK]
EXPORT DMA1_Channel7_IRQHandler [WEAK]
EXPORT ADC1_IRQHandler [WEAK]
EXPORT CAN1_TX_IRQHandler [WEAK]
EXPORT CAN1_RX0_IRQHandler [WEAK]
EXPORT CAN1_RX1_IRQHandler [WEAK]
EXPORT CAN1_SCE_IRQHandler [WEAK]
EXPORT EXTI9_5_IRQHandler [WEAK]
EXPORT TIM1_BRK_TIM15_IRQHandler [WEAK]
EXPORT TIM1_UP_TIM16_IRQHandler [WEAK]
EXPORT TIM1_TRG_COM_IRQHandler [WEAK]
EXPORT TIM1_CC_IRQHandler [WEAK]
EXPORT TIM2_IRQHandler [WEAK]
EXPORT I2C1_EV_IRQHandler [WEAK]
EXPORT I2C1_ER_IRQHandler [WEAK]
EXPORT I2C2_EV_IRQHandler [WEAK]
EXPORT I2C2_ER_IRQHandler [WEAK]
EXPORT SPI1_IRQHandler [WEAK]
EXPORT SPI2_IRQHandler [WEAK]
EXPORT USART1_IRQHandler [WEAK]
EXPORT USART2_IRQHandler [WEAK]
EXPORT USART3_IRQHandler [WEAK]
EXPORT EXTI15_10_IRQHandler [WEAK]
EXPORT RTC_Alarm_IRQHandler [WEAK]
EXPORT SDMMC1_IRQHandler [WEAK]
EXPORT SPI3_IRQHandler [WEAK]
EXPORT TIM6_DAC_IRQHandler [WEAK]
EXPORT TIM7_IRQHandler [WEAK]
EXPORT DMA2_Channel1_IRQHandler [WEAK]
EXPORT DMA2_Channel2_IRQHandler [WEAK]
EXPORT DMA2_Channel3_IRQHandler [WEAK]
EXPORT DMA2_Channel4_IRQHandler [WEAK]
EXPORT DMA2_Channel5_IRQHandler [WEAK]
EXPORT COMP_IRQHandler [WEAK]
EXPORT LPTIM1_IRQHandler [WEAK]
EXPORT LPTIM2_IRQHandler [WEAK]
EXPORT DMA2_Channel6_IRQHandler [WEAK]
EXPORT DMA2_Channel7_IRQHandler [WEAK]
EXPORT LPUART1_IRQHandler [WEAK]
EXPORT QUADSPI_IRQHandler [WEAK]
EXPORT I2C3_EV_IRQHandler [WEAK]
EXPORT I2C3_ER_IRQHandler [WEAK]
EXPORT SAI1_IRQHandler [WEAK]
EXPORT SWPMI1_IRQHandler [WEAK]
EXPORT TSC_IRQHandler [WEAK]
EXPORT RNG_IRQHandler [WEAK]
EXPORT FPU_IRQHandler [WEAK]
EXPORT CRS_IRQHandler [WEAK]
WWDG_IRQHandler
PVD_PVM_IRQHandler
TAMP_STAMP_IRQHandler
RTC_WKUP_IRQHandler
FLASH_IRQHandler
RCC_IRQHandler
EXTI0_IRQHandler
EXTI1_IRQHandler
EXTI2_IRQHandler
EXTI3_IRQHandler
EXTI4_IRQHandler
DMA1_Channel1_IRQHandler
DMA1_Channel2_IRQHandler
DMA1_Channel3_IRQHandler
DMA1_Channel4_IRQHandler
DMA1_Channel5_IRQHandler
DMA1_Channel6_IRQHandler
DMA1_Channel7_IRQHandler
ADC1_IRQHandler
CAN1_TX_IRQHandler
CAN1_RX0_IRQHandler
CAN1_RX1_IRQHandler
CAN1_SCE_IRQHandler
EXTI9_5_IRQHandler
TIM1_BRK_TIM15_IRQHandler
TIM1_UP_TIM16_IRQHandler
TIM1_TRG_COM_IRQHandler
TIM1_CC_IRQHandler
TIM2_IRQHandler
I2C1_EV_IRQHandler
I2C1_ER_IRQHandler
I2C2_EV_IRQHandler
I2C2_ER_IRQHandler
SPI1_IRQHandler
SPI2_IRQHandler
USART1_IRQHandler
USART2_IRQHandler
USART3_IRQHandler
EXTI15_10_IRQHandler
RTC_Alarm_IRQHandler
SDMMC1_IRQHandler
SPI3_IRQHandler
TIM6_DAC_IRQHandler
TIM7_IRQHandler
DMA2_Channel1_IRQHandler
DMA2_Channel2_IRQHandler
DMA2_Channel3_IRQHandler
DMA2_Channel4_IRQHandler
DMA2_Channel5_IRQHandler
COMP_IRQHandler
LPTIM1_IRQHandler
LPTIM2_IRQHandler
DMA2_Channel6_IRQHandler
DMA2_Channel7_IRQHandler
LPUART1_IRQHandler
QUADSPI_IRQHandler
I2C3_EV_IRQHandler
I2C3_ER_IRQHandler
SAI1_IRQHandler
SWPMI1_IRQHandler
TSC_IRQHandler
RNG_IRQHandler
FPU_IRQHandler
CRS_IRQHandler
B .
ENDP
ALIGN
;*******************************************************************************
; User Stack and Heap initialization
;*******************************************************************************
IF :DEF:__MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap
LDR R0, = Heap_Mem
LDR R1, =(Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ALIGN
ENDIF
END
;************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE*****

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<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<Project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_projx.xsd">
<SchemaVersion>2.1</SchemaVersion>
<Header>### uVision Project, (C) Keil Software</Header>
<Targets>
<Target>
<TargetName>TencentOS_tiny</TargetName>
<ToolsetNumber>0x4</ToolsetNumber>
<ToolsetName>ARM-ADS</ToolsetName>
<pCCUsed>5060750::V5.06 update 6 (build 750)::ARMCC</pCCUsed>
<uAC6>0</uAC6>
<TargetOption>
<TargetCommonOption>
<Device>STM32L431RCTx</Device>
<Vendor>STMicroelectronics</Vendor>
<PackID>Keil.STM32L4xx_DFP.2.0.0</PackID>
<PackURL>http://www.keil.com/pack</PackURL>
<Cpu>IRAM(0x20000000-0x2000FFFF) IROM(0x8000000-0x803FFFF) CLOCK(8000000) FPU2 CPUTYPE("Cortex-M4")</Cpu>
<FlashUtilSpec></FlashUtilSpec>
<StartupFile></StartupFile>
<FlashDriverDll></FlashDriverDll>
<DeviceId></DeviceId>
<RegisterFile></RegisterFile>
<MemoryEnv></MemoryEnv>
<Cmp></Cmp>
<Asm></Asm>
<Linker></Linker>
<OHString></OHString>
<InfinionOptionDll></InfinionOptionDll>
<SLE66CMisc></SLE66CMisc>
<SLE66AMisc></SLE66AMisc>
<SLE66LinkerMisc></SLE66LinkerMisc>
<SFDFile>$$Device:STM32L431RCTx$CMSIS\SVD\STM32L4x1.svd</SFDFile>
<bCustSvd>0</bCustSvd>
<UseEnv>0</UseEnv>
<BinPath></BinPath>
<IncludePath></IncludePath>
<LibPath></LibPath>
<RegisterFilePath></RegisterFilePath>
<DBRegisterFilePath></DBRegisterFilePath>
<TargetStatus>
<Error>0</Error>
<ExitCodeStop>0</ExitCodeStop>
<ButtonStop>0</ButtonStop>
<NotGenerated>0</NotGenerated>
<InvalidFlash>1</InvalidFlash>
</TargetStatus>
<OutputDirectory>.\obj\</OutputDirectory>
<OutputName>TencentOS_tiny</OutputName>
<CreateExecutable>1</CreateExecutable>
<CreateLib>0</CreateLib>
<CreateHexFile>1</CreateHexFile>
<DebugInformation>1</DebugInformation>
<BrowseInformation>0</BrowseInformation>
<ListingPath>.\list\</ListingPath>
<HexFormatSelection>1</HexFormatSelection>
<Merge32K>0</Merge32K>
<CreateBatchFile>0</CreateBatchFile>
<BeforeCompile>
<RunUserProg1>0</RunUserProg1>
<RunUserProg2>0</RunUserProg2>
<UserProg1Name></UserProg1Name>
<UserProg2Name></UserProg2Name>
<UserProg1Dos16Mode>0</UserProg1Dos16Mode>
<UserProg2Dos16Mode>0</UserProg2Dos16Mode>
<nStopU1X>0</nStopU1X>
<nStopU2X>0</nStopU2X>
</BeforeCompile>
<BeforeMake>
<RunUserProg1>0</RunUserProg1>
<RunUserProg2>0</RunUserProg2>
<UserProg1Name></UserProg1Name>
<UserProg2Name></UserProg2Name>
<UserProg1Dos16Mode>0</UserProg1Dos16Mode>
<UserProg2Dos16Mode>0</UserProg2Dos16Mode>
<nStopB1X>0</nStopB1X>
<nStopB2X>0</nStopB2X>
</BeforeMake>
<AfterMake>
<RunUserProg1>0</RunUserProg1>
<RunUserProg2>0</RunUserProg2>
<UserProg1Name></UserProg1Name>
<UserProg2Name></UserProg2Name>
<UserProg1Dos16Mode>0</UserProg1Dos16Mode>
<UserProg2Dos16Mode>0</UserProg2Dos16Mode>
<nStopA1X>0</nStopA1X>
<nStopA2X>0</nStopA2X>
</AfterMake>
<SelectedForBatchBuild>0</SelectedForBatchBuild>
<SVCSIdString></SVCSIdString>
</TargetCommonOption>
<CommonProperty>
<UseCPPCompiler>0</UseCPPCompiler>
<RVCTCodeConst>0</RVCTCodeConst>
<RVCTZI>0</RVCTZI>
<RVCTOtherData>0</RVCTOtherData>
<ModuleSelection>0</ModuleSelection>
<IncludeInBuild>1</IncludeInBuild>
<AlwaysBuild>0</AlwaysBuild>
<GenerateAssemblyFile>0</GenerateAssemblyFile>
<AssembleAssemblyFile>0</AssembleAssemblyFile>
<PublicsOnly>0</PublicsOnly>
<StopOnExitCode>3</StopOnExitCode>
<CustomArgument></CustomArgument>
<IncludeLibraryModules></IncludeLibraryModules>
<ComprImg>0</ComprImg>
</CommonProperty>
<DllOption>
<SimDllName>SARMCM3.DLL</SimDllName>
<SimDllArguments>-REMAP -MPU</SimDllArguments>
<SimDlgDll>DCM.DLL</SimDlgDll>
<SimDlgDllArguments>-pCM4</SimDlgDllArguments>
<TargetDllName>SARMCM3.DLL</TargetDllName>
<TargetDllArguments>-MPU</TargetDllArguments>
<TargetDlgDll>TCM.DLL</TargetDlgDll>
<TargetDlgDllArguments>-pCM4</TargetDlgDllArguments>
</DllOption>
<DebugOption>
<OPTHX>
<HexSelection>1</HexSelection>
<HexRangeLowAddress>0</HexRangeLowAddress>
<HexRangeHighAddress>0</HexRangeHighAddress>
<HexOffset>0</HexOffset>
<Oh166RecLen>16</Oh166RecLen>
</OPTHX>
</DebugOption>
<Utilities>
<Flash1>
<UseTargetDll>1</UseTargetDll>
<UseExternalTool>0</UseExternalTool>
<RunIndependent>0</RunIndependent>
<UpdateFlashBeforeDebugging>1</UpdateFlashBeforeDebugging>
<Capability>1</Capability>
<DriverSelection>4107</DriverSelection>
</Flash1>
<bUseTDR>1</bUseTDR>
<Flash2>STLink\ST-LINKIII-KEIL_SWO.dll</Flash2>
<Flash3></Flash3>
<Flash4></Flash4>
<pFcarmOut></pFcarmOut>
<pFcarmGrp></pFcarmGrp>
<pFcArmRoot></pFcArmRoot>
<FcArmLst>0</FcArmLst>
</Utilities>
<TargetArmAds>
<ArmAdsMisc>
<GenerateListings>0</GenerateListings>
<asHll>1</asHll>
<asAsm>1</asAsm>
<asMacX>1</asMacX>
<asSyms>1</asSyms>
<asFals>1</asFals>
<asDbgD>1</asDbgD>
<asForm>1</asForm>
<ldLst>0</ldLst>
<ldmm>1</ldmm>
<ldXref>1</ldXref>
<BigEnd>0</BigEnd>
<AdsALst>1</AdsALst>
<AdsACrf>1</AdsACrf>
<AdsANop>0</AdsANop>
<AdsANot>0</AdsANot>
<AdsLLst>1</AdsLLst>
<AdsLmap>1</AdsLmap>
<AdsLcgr>1</AdsLcgr>
<AdsLsym>1</AdsLsym>
<AdsLszi>1</AdsLszi>
<AdsLtoi>1</AdsLtoi>
<AdsLsun>1</AdsLsun>
<AdsLven>1</AdsLven>
<AdsLsxf>1</AdsLsxf>
<RvctClst>0</RvctClst>
<GenPPlst>0</GenPPlst>
<AdsCpuType>"Cortex-M4"</AdsCpuType>
<RvctDeviceName></RvctDeviceName>
<mOS>0</mOS>
<uocRom>0</uocRom>
<uocRam>0</uocRam>
<hadIROM>1</hadIROM>
<hadIRAM>1</hadIRAM>
<hadXRAM>0</hadXRAM>
<uocXRam>0</uocXRam>
<RvdsVP>2</RvdsVP>
<RvdsMve>0</RvdsMve>
<hadIRAM2>0</hadIRAM2>
<hadIROM2>0</hadIROM2>
<StupSel>8</StupSel>
<useUlib>1</useUlib>
<EndSel>0</EndSel>
<uLtcg>0</uLtcg>
<nSecure>0</nSecure>
<RoSelD>3</RoSelD>
<RwSelD>3</RwSelD>
<CodeSel>0</CodeSel>
<OptFeed>0</OptFeed>
<NoZi1>0</NoZi1>
<NoZi2>0</NoZi2>
<NoZi3>0</NoZi3>
<NoZi4>0</NoZi4>
<NoZi5>0</NoZi5>
<Ro1Chk>0</Ro1Chk>
<Ro2Chk>0</Ro2Chk>
<Ro3Chk>0</Ro3Chk>
<Ir1Chk>1</Ir1Chk>
<Ir2Chk>0</Ir2Chk>
<Ra1Chk>0</Ra1Chk>
<Ra2Chk>0</Ra2Chk>
<Ra3Chk>0</Ra3Chk>
<Im1Chk>1</Im1Chk>
<Im2Chk>0</Im2Chk>
<OnChipMemories>
<Ocm1>
<Type>0</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</Ocm1>
<Ocm2>
<Type>0</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</Ocm2>
<Ocm3>
<Type>0</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</Ocm3>
<Ocm4>
<Type>0</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</Ocm4>
<Ocm5>
<Type>0</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</Ocm5>
<Ocm6>
<Type>0</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</Ocm6>
<IRAM>
<Type>0</Type>
<StartAddress>0x20000000</StartAddress>
<Size>0x10000</Size>
</IRAM>
<IROM>
<Type>1</Type>
<StartAddress>0x8000000</StartAddress>
<Size>0x40000</Size>
</IROM>
<XRAM>
<Type>0</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</XRAM>
<OCR_RVCT1>
<Type>1</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</OCR_RVCT1>
<OCR_RVCT2>
<Type>1</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</OCR_RVCT2>
<OCR_RVCT3>
<Type>1</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</OCR_RVCT3>
<OCR_RVCT4>
<Type>1</Type>
<StartAddress>0x8000000</StartAddress>
<Size>0x40000</Size>
</OCR_RVCT4>
<OCR_RVCT5>
<Type>1</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</OCR_RVCT5>
<OCR_RVCT6>
<Type>0</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</OCR_RVCT6>
<OCR_RVCT7>
<Type>0</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</OCR_RVCT7>
<OCR_RVCT8>
<Type>0</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</OCR_RVCT8>
<OCR_RVCT9>
<Type>0</Type>
<StartAddress>0x20000000</StartAddress>
<Size>0x10000</Size>
</OCR_RVCT9>
<OCR_RVCT10>
<Type>0</Type>
<StartAddress>0x0</StartAddress>
<Size>0x0</Size>
</OCR_RVCT10>
</OnChipMemories>
<RvctStartVector></RvctStartVector>
</ArmAdsMisc>
<Cads>
<interw>1</interw>
<Optim>1</Optim>
<oTime>0</oTime>
<SplitLS>0</SplitLS>
<OneElfS>1</OneElfS>
<Strict>0</Strict>
<EnumInt>0</EnumInt>
<PlainCh>0</PlainCh>
<Ropi>0</Ropi>
<Rwpi>0</Rwpi>
<wLevel>2</wLevel>
<uThumb>0</uThumb>
<uSurpInc>0</uSurpInc>
<uC99>1</uC99>
<uGnu>0</uGnu>
<useXO>0</useXO>
<v6Lang>1</v6Lang>
<v6LangP>1</v6LangP>
<vShortEn>1</vShortEn>
<vShortWch>1</vShortWch>
<v6Lto>0</v6Lto>
<v6WtE>0</v6WtE>
<v6Rtti>0</v6Rtti>
<VariousControls>
<MiscControls></MiscControls>
<Define>USE_HAL_DRIVER,STM32L431xx,WITH_TOS_NET_ADAPTER,USE_ESP8266</Define>
<Undefine></Undefine>
<IncludePath>..\..\BSP\Inc;..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Inc;..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Legacy;..\..\..\..\platform\vendor_bsp\st\CMSIS\Device\ST\STM32L4xx\Include;..\..\..\..\platform\vendor_bsp\st\CMSIS\Include;..\..\..\..\kernel\core\include;..\..\TOS-CONFIG;..\..\..\..\platform\arch\arm\cortex-m4\keil;..\..\..\..\kernel\pm\include;..\..\..\..\osal\cmsis_os;..\..\..\..\arch\arm\arm-v7m\common\include;..\..\..\..\arch\arm\arm-v7m\cortex-m4\armcc;..\..\BSP\Hardware\DHT11;..\..\BSP\Hardware\OLED;..\..\BSP\Hardware\BH1750;..\..\..\..\examples\helloworld;..\..\..\..\components\fs\vfs\include;..\..\..\..\components\fs\fatfs\wrapper\include;..\..\..\..\kernel\hal\include;..\..\..\..\components\fs\fatfs\3rdparty;..\..\..\..\components\elfloader\common\include</IncludePath>
</VariousControls>
</Cads>
<Aads>
<interw>1</interw>
<Ropi>0</Ropi>
<Rwpi>0</Rwpi>
<thumb>0</thumb>
<SplitLS>0</SplitLS>
<SwStkChk>0</SwStkChk>
<NoWarn>0</NoWarn>
<uSurpInc>0</uSurpInc>
<useXO>0</useXO>
<uClangAs>0</uClangAs>
<VariousControls>
<MiscControls></MiscControls>
<Define></Define>
<Undefine></Undefine>
<IncludePath></IncludePath>
</VariousControls>
</Aads>
<LDads>
<umfTarg>1</umfTarg>
<Ropi>0</Ropi>
<Rwpi>0</Rwpi>
<noStLib>0</noStLib>
<RepFail>1</RepFail>
<useFile>0</useFile>
<TextAddressRange>0x08000000</TextAddressRange>
<DataAddressRange>0x20000000</DataAddressRange>
<pXoBase></pXoBase>
<ScatterFile></ScatterFile>
<IncludeLibs></IncludeLibs>
<IncludeLibsPath></IncludeLibsPath>
<Misc></Misc>
<LinkerInputFile></LinkerInputFile>
<DisabledWarnings></DisabledWarnings>
</LDads>
</TargetArmAds>
</TargetOption>
<Groups>
<Group>
<GroupName>Application/MDK-ARM</GroupName>
<Files>
<File>
<FileName>startup_stm32l431xx.s</FileName>
<FileType>2</FileType>
<FilePath>startup_stm32l431xx.s</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>Application/User</GroupName>
<Files>
<File>
<FileName>gpio.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Src\gpio.c</FilePath>
</File>
<File>
<FileName>main.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Src\main.c</FilePath>
</File>
<File>
<FileName>mcu_init.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Src\mcu_init.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_msp.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Src\stm32l4xx_hal_msp.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_it.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Src\stm32l4xx_it.c</FilePath>
</File>
<File>
<FileName>usart.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Src\usart.c</FilePath>
</File>
<File>
<FileName>adc.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Src\adc.c</FilePath>
</File>
<File>
<FileName>dac.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Src\dac.c</FilePath>
</File>
<File>
<FileName>i2c.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Src\i2c.c</FilePath>
</File>
<File>
<FileName>spi.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Src\spi.c</FilePath>
</File>
<File>
<FileName>tim.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Src\tim.c</FilePath>
</File>
<File>
<FileName>sdmmc.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Src\sdmmc.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>examples</GroupName>
<Files>
<File>
<FileName>elfloader_shared_object.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\examples\elfloader_shared_object\elfloader_shared_object.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>Drivers/STM32L4xx_HAL_Driver</GroupName>
<Files>
<File>
<FileName>stm32l4xx_hal_tim.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_tim.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_tim_ex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_tim_ex.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_uart.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_uart.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_uart_ex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_uart_ex.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_i2c.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_i2c.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_i2c_ex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_i2c_ex.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_rcc.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_rcc.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_rcc_ex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_rcc_ex.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_flash.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_flash.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_flash_ex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_flash_ex.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_flash_ramfunc.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_flash_ramfunc.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_gpio.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_gpio.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_dma.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_dma.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_dma_ex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_dma_ex.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_pwr.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_pwr.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_pwr_ex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_pwr_ex.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_cortex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_cortex.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_adc_ex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_adc_ex.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_adc.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_adc.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_dac.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_dac.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_dac_ex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_dac_ex.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_spi.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_spi.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_spi_ex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_spi_ex.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_ll_sdmmc.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_ll_sdmmc.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_sd.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_sd.c</FilePath>
</File>
<File>
<FileName>stm32l4xx_hal_sd_ex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Src\stm32l4xx_hal_sd_ex.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>Drivers/CMSIS</GroupName>
<Files>
<File>
<FileName>system_stm32l4xx.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Src\system_stm32l4xx.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>Hardware</GroupName>
<Files>
<File>
<FileName>DHT11_BUS.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Hardware\DHT11\DHT11_BUS.c</FilePath>
</File>
<File>
<FileName>oled.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\BSP\Hardware\OLED\oled.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>kernel</GroupName>
<Files>
<File>
<FileName>tos_binary_heap.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_binary_heap.c</FilePath>
</File>
<File>
<FileName>tos_char_fifo.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_char_fifo.c</FilePath>
</File>
<File>
<FileName>tos_completion.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_completion.c</FilePath>
</File>
<File>
<FileName>tos_countdownlatch.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_countdownlatch.c</FilePath>
</File>
<File>
<FileName>tos_event.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_event.c</FilePath>
</File>
<File>
<FileName>tos_global.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_global.c</FilePath>
</File>
<File>
<FileName>tos_mail_queue.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_mail_queue.c</FilePath>
</File>
<File>
<FileName>tos_message_queue.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_message_queue.c</FilePath>
</File>
<File>
<FileName>tos_mmblk.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_mmblk.c</FilePath>
</File>
<File>
<FileName>tos_mmheap.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_mmheap.c</FilePath>
</File>
<File>
<FileName>tos_mutex.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_mutex.c</FilePath>
</File>
<File>
<FileName>tos_pend.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_pend.c</FilePath>
</File>
<File>
<FileName>tos_priority_mail_queue.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_priority_mail_queue.c</FilePath>
</File>
<File>
<FileName>tos_priority_message_queue.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_priority_message_queue.c</FilePath>
</File>
<File>
<FileName>tos_priority_queue.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_priority_queue.c</FilePath>
</File>
<File>
<FileName>tos_ring_queue.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_ring_queue.c</FilePath>
</File>
<File>
<FileName>tos_robin.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_robin.c</FilePath>
</File>
<File>
<FileName>tos_sched.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_sched.c</FilePath>
</File>
<File>
<FileName>tos_sem.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_sem.c</FilePath>
</File>
<File>
<FileName>tos_sys.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_sys.c</FilePath>
</File>
<File>
<FileName>tos_task.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_task.c</FilePath>
</File>
<File>
<FileName>tos_tick.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_tick.c</FilePath>
</File>
<File>
<FileName>tos_time.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_time.c</FilePath>
</File>
<File>
<FileName>tos_timer.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\kernel\core\tos_timer.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>cpu</GroupName>
<Files>
<File>
<FileName>port_s.S</FileName>
<FileType>2</FileType>
<FilePath>..\..\..\..\arch\arm\arm-v7m\cortex-m4\armcc\port_s.S</FilePath>
</File>
<File>
<FileName>tos_cpu.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\arch\arm\arm-v7m\common\tos_cpu.c</FilePath>
</File>
<File>
<FileName>port_c.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\arch\arm\arm-v7m\cortex-m4\armcc\port_c.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>cmsis</GroupName>
<Files>
<File>
<FileName>cmsis_os.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\osal\cmsis_os\cmsis_os.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>config</GroupName>
<Files>
<File>
<FileName>tos_config.h</FileName>
<FileType>5</FileType>
<FilePath>..\..\TOS-CONFIG\tos_config.h</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>fatfs</GroupName>
<Files>
<File>
<FileName>tos_diskio.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\fatfs\wrapper\tos_diskio.c</FilePath>
</File>
<File>
<FileName>tos_fatfs_drv.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\fatfs\wrapper\tos_fatfs_drv.c</FilePath>
</File>
<File>
<FileName>tos_fatfs_vfs.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\fatfs\wrapper\tos_fatfs_vfs.c</FilePath>
</File>
<File>
<FileName>tos_ff.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\fatfs\wrapper\tos_ff.c</FilePath>
</File>
<File>
<FileName>tos_ffsystem.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\fatfs\wrapper\tos_ffsystem.c</FilePath>
</File>
<File>
<FileName>tos_ffunicode.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\fatfs\wrapper\tos_ffunicode.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>vfs</GroupName>
<Files>
<File>
<FileName>tos_vfs.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\vfs\tos_vfs.c</FilePath>
</File>
<File>
<FileName>tos_vfs_device.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\vfs\tos_vfs_device.c</FilePath>
</File>
<File>
<FileName>tos_vfs_file.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\vfs\tos_vfs_file.c</FilePath>
</File>
<File>
<FileName>tos_vfs_fs.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\vfs\tos_vfs_fs.c</FilePath>
</File>
<File>
<FileName>tos_vfs_inode.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\fs\vfs\tos_vfs_inode.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>hal</GroupName>
<Files>
<File>
<FileName>tos_hal_sd.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\platform\hal\st\stm32l4xx\src\tos_hal_sd.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>elfloader/shared_object</GroupName>
<Files>
<File>
<FileName>tos_elfloader_shared_object.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\elfloader\shared_object\tos_elfloader_shared_object.c</FilePath>
</File>
<File>
<FileName>tos_elfloader_fd_read-vfs.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\elfloader\common\tos_elfloader_fd_read-vfs.c</FilePath>
</File>
<File>
<FileName>tos_elfloader_symtab.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\elfloader\common\tos_elfloader_symtab.c</FilePath>
</File>
<File>
<FileName>tos_elfloader_relocate-arm.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\elfloader\common\tos_elfloader_relocate-arm.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>::CMSIS</GroupName>
</Group>
</Groups>
</Target>
</Targets>
<RTE>
<apis/>
<components>
<component Cclass="CMSIS" Cgroup="CORE" Cvendor="ARM" Cversion="4.3.0" condition="CMSIS Core">
<package name="CMSIS" schemaVersion="1.3" url="http://www.keil.com/pack/" vendor="ARM" version="4.5.0"/>
<targetInfos>
<targetInfo name="TencentOS_tiny"/>
</targetInfos>
</component>
</components>
<files/>
</RTE>
</Project>

404
board/TencentOS_tiny_EVB_MX_Plus/KEIL/elfloader_shared_object/startup_stm32l431xx.s Normal file
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@@ -0,0 +1,404 @@
;********************** COPYRIGHT(c) 2017 STMicroelectronics ******************
;* File Name : startup_stm32l431xx.s
;* Author : MCD Application Team
;* Description : STM32L431xx Ultra Low Power devices vector table for MDK-ARM toolchain.
;* This module performs:
;* - Set the initial SP
;* - Set the initial PC == Reset_Handler
;* - Set the vector table entries with the exceptions ISR address
;* - Branches to __main in the C library (which eventually
;* calls main()).
;* After Reset the Cortex-M4 processor is in Thread mode,
;* priority is Privileged, and the Stack is set to Main.
;* <<< Use Configuration Wizard in Context Menu >>>
;*******************************************************************************
;*
;* Redistribution and use in source and binary forms, with or without modification,
;* are permitted provided that the following conditions are met:
;* 1. Redistributions of source code must retain the above copyright notice,
;* this list of conditions and the following disclaimer.
;* 2. Redistributions in binary form must reproduce the above copyright notice,
;* this list of conditions and the following disclaimer in the documentation
;* and/or other materials provided with the distribution.
;* 3. Neither the name of STMicroelectronics nor the names of its contributors
;* may be used to endorse or promote products derived from this software
;* without specific prior written permission.
;*
;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
;* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
;* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
;* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
;* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
;* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
;* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
;* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;*
;*******************************************************************************
;
; Amount of memory (in bytes) allocated for Stack
; Tailor this value to your application needs
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x100
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x100
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
; Vector Table Mapped to Address 0 at Reset
AREA RESET, DATA, READONLY
EXPORT __Vectors
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
DCD MemManage_Handler ; MPU Fault Handler
DCD BusFault_Handler ; Bus Fault Handler
DCD UsageFault_Handler ; Usage Fault Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SVC_Handler ; SVCall Handler
DCD DebugMon_Handler ; Debug Monitor Handler
DCD 0 ; Reserved
DCD PendSV_Handler ; PendSV Handler
DCD SysTick_Handler ; SysTick Handler
; External Interrupts
DCD WWDG_IRQHandler ; Window WatchDog
DCD PVD_PVM_IRQHandler ; PVD/PVM1/PVM2/PVM3/PVM4 through EXTI Line detection
DCD TAMP_STAMP_IRQHandler ; Tamper and TimeStamps through the EXTI line
DCD RTC_WKUP_IRQHandler ; RTC Wakeup through the EXTI line
DCD FLASH_IRQHandler ; FLASH
DCD RCC_IRQHandler ; RCC
DCD EXTI0_IRQHandler ; EXTI Line0
DCD EXTI1_IRQHandler ; EXTI Line1
DCD EXTI2_IRQHandler ; EXTI Line2
DCD EXTI3_IRQHandler ; EXTI Line3
DCD EXTI4_IRQHandler ; EXTI Line4
DCD DMA1_Channel1_IRQHandler ; DMA1 Channel 1
DCD DMA1_Channel2_IRQHandler ; DMA1 Channel 2
DCD DMA1_Channel3_IRQHandler ; DMA1 Channel 3
DCD DMA1_Channel4_IRQHandler ; DMA1 Channel 4
DCD DMA1_Channel5_IRQHandler ; DMA1 Channel 5
DCD DMA1_Channel6_IRQHandler ; DMA1 Channel 6
DCD DMA1_Channel7_IRQHandler ; DMA1 Channel 7
DCD ADC1_IRQHandler ; ADC1
DCD CAN1_TX_IRQHandler ; CAN1 TX
DCD CAN1_RX0_IRQHandler ; CAN1 RX0
DCD CAN1_RX1_IRQHandler ; CAN1 RX1
DCD CAN1_SCE_IRQHandler ; CAN1 SCE
DCD EXTI9_5_IRQHandler ; External Line[9:5]s
DCD TIM1_BRK_TIM15_IRQHandler ; TIM1 Break and TIM15
DCD TIM1_UP_TIM16_IRQHandler ; TIM1 Update and TIM16
DCD TIM1_TRG_COM_IRQHandler ; TIM1 Trigger and Commutation
DCD TIM1_CC_IRQHandler ; TIM1 Capture Compare
DCD TIM2_IRQHandler ; TIM2
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD I2C1_EV_IRQHandler ; I2C1 Event
DCD I2C1_ER_IRQHandler ; I2C1 Error
DCD I2C2_EV_IRQHandler ; I2C2 Event
DCD I2C2_ER_IRQHandler ; I2C2 Error
DCD SPI1_IRQHandler ; SPI1
DCD SPI2_IRQHandler ; SPI2
DCD USART1_IRQHandler ; USART1
DCD USART2_IRQHandler ; USART2
DCD USART3_IRQHandler ; USART3
DCD EXTI15_10_IRQHandler ; External Line[15:10]
DCD RTC_Alarm_IRQHandler ; RTC Alarm (A and B) through EXTI Line
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SDMMC1_IRQHandler ; SDMMC1
DCD 0 ; Reserved
DCD SPI3_IRQHandler ; SPI3
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD TIM6_DAC_IRQHandler ; TIM6 and DAC1&2 underrun errors
DCD TIM7_IRQHandler ; TIM7
DCD DMA2_Channel1_IRQHandler ; DMA2 Channel 1
DCD DMA2_Channel2_IRQHandler ; DMA2 Channel 2
DCD DMA2_Channel3_IRQHandler ; DMA2 Channel 3
DCD DMA2_Channel4_IRQHandler ; DMA2 Channel 4
DCD DMA2_Channel5_IRQHandler ; DMA2 Channel 5
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD COMP_IRQHandler ; COMP Interrupt
DCD LPTIM1_IRQHandler ; LP TIM1 interrupt
DCD LPTIM2_IRQHandler ; LP TIM2 interrupt
DCD 0 ; Reserved
DCD DMA2_Channel6_IRQHandler ; DMA2 Channel 6
DCD DMA2_Channel7_IRQHandler ; DMA2 Channel 7
DCD LPUART1_IRQHandler ; LP UART1 interrupt
DCD QUADSPI_IRQHandler ; Quad SPI global interrupt
DCD I2C3_EV_IRQHandler ; I2C3 event
DCD I2C3_ER_IRQHandler ; I2C3 error
DCD SAI1_IRQHandler ; Serial Audio Interface 1 global interrupt
DCD 0 ; Reserved
DCD SWPMI1_IRQHandler ; Serial Wire Interface 1 global interrupt
DCD TSC_IRQHandler ; Touch Sense Controller global interrupt
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD RNG_IRQHandler ; RNG global interrupt
DCD FPU_IRQHandler ; FPU
DCD CRS_IRQHandler ; CRS interrupt
__Vectors_End
__Vectors_Size EQU __Vectors_End - __Vectors
AREA |.text|, CODE, READONLY
; Reset handler
Reset_Handler PROC
EXPORT Reset_Handler [WEAK]
IMPORT SystemInit
IMPORT __main
LDR R0, =SystemInit
BLX R0
LDR R0, =__main
BX R0
ENDP
; Dummy Exception Handlers (infinite loops which can be modified)
NMI_Handler PROC
EXPORT NMI_Handler [WEAK]
B .
ENDP
HardFault_Handler\
PROC
EXPORT HardFault_Handler [WEAK]
B .
ENDP
MemManage_Handler\
PROC
EXPORT MemManage_Handler [WEAK]
B .
ENDP
BusFault_Handler\
PROC
EXPORT BusFault_Handler [WEAK]
B .
ENDP
UsageFault_Handler\
PROC
EXPORT UsageFault_Handler [WEAK]
B .
ENDP
SVC_Handler PROC
EXPORT SVC_Handler [WEAK]
B .
ENDP
DebugMon_Handler\
PROC
EXPORT DebugMon_Handler [WEAK]
B .
ENDP
PendSV_Handler PROC
EXPORT PendSV_Handler [WEAK]
B .
ENDP
SysTick_Handler PROC
EXPORT SysTick_Handler [WEAK]
B .
ENDP
Default_Handler PROC
EXPORT WWDG_IRQHandler [WEAK]
EXPORT PVD_PVM_IRQHandler [WEAK]
EXPORT TAMP_STAMP_IRQHandler [WEAK]
EXPORT RTC_WKUP_IRQHandler [WEAK]
EXPORT FLASH_IRQHandler [WEAK]
EXPORT RCC_IRQHandler [WEAK]
EXPORT EXTI0_IRQHandler [WEAK]
EXPORT EXTI1_IRQHandler [WEAK]
EXPORT EXTI2_IRQHandler [WEAK]
EXPORT EXTI3_IRQHandler [WEAK]
EXPORT EXTI4_IRQHandler [WEAK]
EXPORT DMA1_Channel1_IRQHandler [WEAK]
EXPORT DMA1_Channel2_IRQHandler [WEAK]
EXPORT DMA1_Channel3_IRQHandler [WEAK]
EXPORT DMA1_Channel4_IRQHandler [WEAK]
EXPORT DMA1_Channel5_IRQHandler [WEAK]
EXPORT DMA1_Channel6_IRQHandler [WEAK]
EXPORT DMA1_Channel7_IRQHandler [WEAK]
EXPORT ADC1_IRQHandler [WEAK]
EXPORT CAN1_TX_IRQHandler [WEAK]
EXPORT CAN1_RX0_IRQHandler [WEAK]
EXPORT CAN1_RX1_IRQHandler [WEAK]
EXPORT CAN1_SCE_IRQHandler [WEAK]
EXPORT EXTI9_5_IRQHandler [WEAK]
EXPORT TIM1_BRK_TIM15_IRQHandler [WEAK]
EXPORT TIM1_UP_TIM16_IRQHandler [WEAK]
EXPORT TIM1_TRG_COM_IRQHandler [WEAK]
EXPORT TIM1_CC_IRQHandler [WEAK]
EXPORT TIM2_IRQHandler [WEAK]
EXPORT I2C1_EV_IRQHandler [WEAK]
EXPORT I2C1_ER_IRQHandler [WEAK]
EXPORT I2C2_EV_IRQHandler [WEAK]
EXPORT I2C2_ER_IRQHandler [WEAK]
EXPORT SPI1_IRQHandler [WEAK]
EXPORT SPI2_IRQHandler [WEAK]
EXPORT USART1_IRQHandler [WEAK]
EXPORT USART2_IRQHandler [WEAK]
EXPORT USART3_IRQHandler [WEAK]
EXPORT EXTI15_10_IRQHandler [WEAK]
EXPORT RTC_Alarm_IRQHandler [WEAK]
EXPORT SDMMC1_IRQHandler [WEAK]
EXPORT SPI3_IRQHandler [WEAK]
EXPORT TIM6_DAC_IRQHandler [WEAK]
EXPORT TIM7_IRQHandler [WEAK]
EXPORT DMA2_Channel1_IRQHandler [WEAK]
EXPORT DMA2_Channel2_IRQHandler [WEAK]
EXPORT DMA2_Channel3_IRQHandler [WEAK]
EXPORT DMA2_Channel4_IRQHandler [WEAK]
EXPORT DMA2_Channel5_IRQHandler [WEAK]
EXPORT COMP_IRQHandler [WEAK]
EXPORT LPTIM1_IRQHandler [WEAK]
EXPORT LPTIM2_IRQHandler [WEAK]
EXPORT DMA2_Channel6_IRQHandler [WEAK]
EXPORT DMA2_Channel7_IRQHandler [WEAK]
EXPORT LPUART1_IRQHandler [WEAK]
EXPORT QUADSPI_IRQHandler [WEAK]
EXPORT I2C3_EV_IRQHandler [WEAK]
EXPORT I2C3_ER_IRQHandler [WEAK]
EXPORT SAI1_IRQHandler [WEAK]
EXPORT SWPMI1_IRQHandler [WEAK]
EXPORT TSC_IRQHandler [WEAK]
EXPORT RNG_IRQHandler [WEAK]
EXPORT FPU_IRQHandler [WEAK]
EXPORT CRS_IRQHandler [WEAK]
WWDG_IRQHandler
PVD_PVM_IRQHandler
TAMP_STAMP_IRQHandler
RTC_WKUP_IRQHandler
FLASH_IRQHandler
RCC_IRQHandler
EXTI0_IRQHandler
EXTI1_IRQHandler
EXTI2_IRQHandler
EXTI3_IRQHandler
EXTI4_IRQHandler
DMA1_Channel1_IRQHandler
DMA1_Channel2_IRQHandler
DMA1_Channel3_IRQHandler
DMA1_Channel4_IRQHandler
DMA1_Channel5_IRQHandler
DMA1_Channel6_IRQHandler
DMA1_Channel7_IRQHandler
ADC1_IRQHandler
CAN1_TX_IRQHandler
CAN1_RX0_IRQHandler
CAN1_RX1_IRQHandler
CAN1_SCE_IRQHandler
EXTI9_5_IRQHandler
TIM1_BRK_TIM15_IRQHandler
TIM1_UP_TIM16_IRQHandler
TIM1_TRG_COM_IRQHandler
TIM1_CC_IRQHandler
TIM2_IRQHandler
I2C1_EV_IRQHandler
I2C1_ER_IRQHandler
I2C2_EV_IRQHandler
I2C2_ER_IRQHandler
SPI1_IRQHandler
SPI2_IRQHandler
USART1_IRQHandler
USART2_IRQHandler
USART3_IRQHandler
EXTI15_10_IRQHandler
RTC_Alarm_IRQHandler
SDMMC1_IRQHandler
SPI3_IRQHandler
TIM6_DAC_IRQHandler
TIM7_IRQHandler
DMA2_Channel1_IRQHandler
DMA2_Channel2_IRQHandler
DMA2_Channel3_IRQHandler
DMA2_Channel4_IRQHandler
DMA2_Channel5_IRQHandler
COMP_IRQHandler
LPTIM1_IRQHandler
LPTIM2_IRQHandler
DMA2_Channel6_IRQHandler
DMA2_Channel7_IRQHandler
LPUART1_IRQHandler
QUADSPI_IRQHandler
I2C3_EV_IRQHandler
I2C3_ER_IRQHandler
SAI1_IRQHandler
SWPMI1_IRQHandler
TSC_IRQHandler
RNG_IRQHandler
FPU_IRQHandler
CRS_IRQHandler
B .
ENDP
ALIGN
;*******************************************************************************
; User Stack and Heap initialization
;*******************************************************************************
IF :DEF:__MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap
LDR R0, = Heap_Mem
LDR R1, =(Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ALIGN
ENDIF
END
;************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE*****

183
components/elfloader/common/include/elf/elf32.h Normal file
View File

@@ -0,0 +1,183 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _ELF32_H_
#define _ELF32_H_
#define EI_NIDENT 16
typedef int32_t elf32_sword;
typedef uint32_t elf32_word;
typedef uint16_t elf32_half;
typedef uint32_t elf32_off;
typedef uint32_t elf32_addr;
/* elf header */
typedef struct elf32_ehdr {
unsigned char e_ident[EI_NIDENT]; /* ident bytes */
elf32_half e_type; /* file type */
elf32_half e_machine; /* target machine */
elf32_word e_version; /* file version */
elf32_addr e_entry; /* start address */
elf32_off e_phoff; /* phdr file offset */
elf32_off e_shoff; /* shdr file offset */
elf32_word e_flags; /* file flags */
elf32_half e_ehsize; /* sizeof ehdr */
elf32_half e_phentsize; /* sizeof phdr */
elf32_half e_phnum; /* number phdrs */
elf32_half e_shentsize; /* sizeof shdr */
elf32_half e_shnum; /* number shdrs */
elf32_half e_shstrndx; /* shdr string index */
} elf32_ehdr_t;
/* values for e_type. */
#define ET_NONE 0 /* unknown type. */
#define ET_REL 1 /* relocatable. */
#define ET_EXEC 2 /* executable. */
#define ET_DYN 3 /* shared object. */
/* section header */
typedef struct elf32_shdr {
elf32_word sh_name; /* section name */
elf32_word sh_type; /* SHT_... */
elf32_word sh_flags; /* SHF_... */
elf32_addr sh_addr; /* virtual address */
elf32_off sh_offset; /* file offset */
elf32_word sh_size; /* section size */
elf32_word sh_link; /* misc info */
elf32_word sh_info; /* misc info */
elf32_word sh_addralign; /* memory alignment */
elf32_word sh_entsize; /* entry size if table */
} elf32_shdr_t;
/* values for sh_type */
#define SHT_NULL 0 /* inactive */
#define SHT_PROGBITS 1 /* program defined information */
#define SHT_SYMTAB 2 /* symbol table section */
#define SHT_STRTAB 3 /* string table section */
#define SHT_RELA 4 /* relocation section with addends*/
#define SHT_HASH 5 /* symbol hash table section */
#define SHT_DYNAMIC 6 /* dynamic section */
#define SHT_NOTE 7 /* note section */
#define SHT_NOBITS 8 /* no space section */
#define SHT_REL 9 /* relation section without addends */
#define SHT_SHLIB 10 /* reserved - purpose unknown */
#define SHT_DYNSYM 11 /* dynamic symbol table section */
#define SHT_LOPROC 0x70000000 /* reserved range for processor */
#define SHT_HIPROC 0x7fffffff /* specific section header types */
#define SHT_LOUSER 0x80000000 /* reserved range for application */
#define SHT_HIUSER 0xffffffff /* specific indexes */
/* values for sh_flags */
#define SHF_WRITE 1 /* writable */
#define SHF_ALLOC 2 /* occupies memory */
#define SHF_EXECINSTR 4 /* executable */
typedef struct elf32_rel {
elf32_addr r_offset; /* location to be relocated. */
elf32_word r_info; /* relocation type and symbol index. */
} elf32_rel_t;
typedef struct elf32_rela {
elf32_addr r_offset; /* location to be relocated. */
elf32_word r_info; /* relocation type and symbol index. */
elf32_sword r_addend; /* addend. */
} elf32_rela_t;
typedef struct elf32_sym {
elf32_word st_name; /* string table index of name. */
elf32_addr st_value; /* symbol value. */
elf32_word st_size; /* size of associated object. */
unsigned char st_info; /* type and binding information. */
unsigned char st_other; /* reserved (not used). */
elf32_half st_shndx; /* section index of symbol. */
} elf32_sym_t;
/* values for st_info(binding) */
#define STB_LOCAL 0
#define STB_GLOBAL 1
#define STB_WEAK 2
/* values for st_info(type) */
#define STT_NOTYPE 0
#define STT_OBJECT 1
#define STT_FUNC 2
#define STT_SECTION 3
#define STT_FILE 4
/* values for st_shndx */
#define SHN_ABS 0xFFF1
#define SHN_COMMON 0xFFF2
#define SHN_UNDEF 0x0000
#define ELF32_SYM_BINDING(info) ((info) >> 4)
#define ELF32_SYM_TYPE(info) ((info) & 0x0F)
typedef struct elf32_dyn {
elf32_sword d_tag; /* DT_... */
union {
elf32_word d_val;
elf32_addr d_ptr;
} d_un;
} elf32_dyn_t;
/* values for d_tag */
#define DT_NULL 0x00
#define DT_PLTRELSZ 0x02
#define DT_PLTGOT 0x03
#define DT_HASH 0x04
#define DT_STRTAB 0x05
#define DT_SYMTAB 0x06
#define DT_STRSZ 0x0a
#define DT_SYMENT 0x0b
#define DT_REL 0x11
#define DT_RELSZ 0x12
#define DT_RELENT 0x13
#define DT_PLTREL 0x14
#define DT_JMPREL 0x17
/* program header */
typedef struct elf32_phdr {
elf32_word p_type; /* PHT_... */
elf32_off p_offset; /* file offset */
elf32_addr p_vaddr; /* virtual address */
elf32_addr p_paddr; /* physical address */
elf32_word p_filesz; /* file size */
elf32_word p_memsz; /* memory size */
elf32_word p_flags; /* read write properties */
elf32_word p_align; /* alignment attribute, 2 ^ p_align */
} elf32_phdr_t;
/* values for p_type */
#define PHT_LOAD 0x01
#define PHT_DYNAMIC 0x02
#define ELF32_R_SYM(info) ((info) >> 8)
#define ELF32_R_TYPE(info) ((unsigned char)(info))
#define ELF_MAGIC_HEADER "\177ELF\001\001\001"
#define ELF_MAGIC_HEADER_SIZE 7
static const unsigned char elf_header_magic[] = {
0x7f, 0x45, 0x4c, 0x46, /* Magic: 0x7f, 'E', 'L', 'F' */
0x01, /* Class: ELF32 */
0x01, /* Data: 2's complement, 'little endian */
0x01, /* Version: 1(current) */
};
#endif /* _ELF32_H_ */

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/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _TOS_ELFLOADER_H_
#define _TOS_ELFLOADER_H_
#include "tos_k.h"
#include "elf/elf32.h"
#include "tos_elfloader_err.h"
#include "tos_elfloader_fd_read.h"
#include "tos_elfloader_symbol.h"
#include "tos_elfloader_symtab.h"
#include "tos_elfloader_relocate.h"
typedef struct el_section_st {
uint8_t shndx;
void *address;
} el_section_t;
typedef struct el_obj_info_st {
el_section_t bss;
el_section_t data;
el_section_t rodata;
el_section_t text;
} el_obj_info_t;
typedef struct el_so_info_st {
int32_t load_bias;
} el_so_info_t;
typedef union el_info_un {
el_obj_info_t obj;
el_so_info_t so;
} el_info_t;
typedef struct el_module_st {
int fd;
void *base;
el_info_t info;
uint32_t symtab_offset;
uint32_t symtab_size;
uint32_t symtab_entsize;
uint32_t strtab_offset;
} el_module_t;
__API__ el_err_t tos_elfloader_load(el_module_t *module, int fd);
__API__ el_err_t tos_elfloader_unload(el_module_t *module);
__API__ void *tos_elfloader_find_symbol(el_module_t *module, char *symbol);
#endif /* _TOS_ELFLOADER_H_ */

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/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _TOS_ELFLOADER_ERR_H_
#define _TOS_ELFLOADER_ERR_H_
typedef enum elfloader_err_en {
ELFLOADER_ERR_NONE,
ELFLOADER_ERR_HEADER_INVALID,
ELFLOADER_ERR_TYPE_INVALID,
ELFLOADER_ERR_NO_DYN,
ELFLOADER_ERR_NO_SYMTAB,
ELFLOADER_ERR_NO_STRTAB,
ELFLOADER_ERR_NO_TEXT,
ELFLOADER_ERR_NO_LOAD_SEGMENTS,
ELFLOADER_ERR_FD_READ_FAILED,
ELFLOADER_ERR_SECTION_NOT_FOUND,
ELFLOADER_ERR_SYM_NOT_FOUND,
ELFLOADER_ERR_OUT_OF_MEMORY,
ELFLOADER_ERR_PTR_NULL,
} el_err_t;
#endif /* _TOS_ELFLOADER_ERR_H_ */

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/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _TOS_ELFLOADER_FD_READ_H_
#define _TOS_ELFLOADER_FD_READ_H_
__KNL__ el_err_t elfloader_fd_read(int fd, uint32_t offset, void *buf, size_t len);
#endif /* _TOS_ELFLOADER_FD_READ_H_ */

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components/elfloader/common/include/tos_elfloader_relocate.h Normal file
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/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _TOS_ELFLOADER_RELOCATE_H_
#define _TOS_ELFLOADER_RELOCATE_H_
__KNL__ void elfloader_arch_relocate(uint32_t reloc_addr, int32_t load_bias, uint32_t addr, elf32_rela_t *rela, int is_rela);
#endif /* _TOS_ELFLOADER_RELOCATE_H_ */

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components/elfloader/common/include/tos_elfloader_symbol.h Normal file
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/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _TOS_ELFLOADER_SYMBOL_H_
#define _TOS_ELFLOADER_SYMBOL_H_
typedef struct el_symbol_st {
const char *name;
void *value;
} el_symbol_t;
extern const el_symbol_t el_symbols[];
#endif /* _TOS_ELFLOADER_SYMBOL_H_ */

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/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _TOS_ELFLOADER_SYMTAB_H_
#define _TOS_ELFLOADER_SYMTAB_H_
__KNL__ void *elfloader_symtab_lookup(char *name);
#endif /* _TOS_ELFLOADER_SYMTAB_H_ */

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components/elfloader/common/tos_elfloader_fd_read-vfs.c Normal file
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/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#include "tos_vfs.h"
#include "tos_elfloader.h"
/*
ATTENTION:
if you wanna load the so/obj laying on your flash, you should implement "elfloader_fd_read"
with flash driver read/write operation.
very easy to use whether your module is on a file system or raw flash.
*/
__KNL__ __WEAK__ el_err_t elfloader_fd_read(int fd, uint32_t offset, void *buf, size_t len)
{
if (tos_vfs_lseek(fd, (vfs_off_t)offset, VFS_SEEK_SET) < 0) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
if (tos_vfs_read(fd, buf, len) < 0) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
return ELFLOADER_ERR_NONE;
}

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components/elfloader/common/tos_elfloader_relocate-arm.c Normal file
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/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#include "tos_elfloader.h"
/* values for ELF32_R_TYPE(info) */
#define R_ARM_ABS32 2
#define R_ARM_THM_CALL 10
#define R_ARM_GLOB_DAT 21
#define R_ARM_JUMP_SLOT 22
#define R_ARM_RELATIVE 23
/*
- S (when used on its own) is the address of the symbol.
- A is the addend for the relocation.
- P is the address of the place being relocated (derived from r_offset).
- Pa is the adjusted address of the place being relocated, defined as (P & 0xFFFFFFFC).
- T is 1 if the target symbol S has type STT_FUNC and the symbol addresses a Thumb instruction; it is 0
otherwise.
- B(S) is the addressing origin of the output segment defining the symbol S. The origin is not required to be the
base address of the segment. This value must always be word-aligned.
- GOT_ORG is the addressing origin of the Global Offset Table (the indirection table for imported data
addresses). This value must always be word-aligned. See §4.6.1.8, Proxy generating relocations.
- GOT(S) is the address of the GOT entry for the symbol S.
*/
// TODO: support more relocation type
__KNL__ void elfloader_arch_relocate(uint32_t reloc_addr, int32_t load_bias, uint32_t addr, elf32_rela_t *rela, int is_rela)
{
/* ATTENTION:
different reloc_addr calculation algorithm for relocatable object and shared object
*/
switch (ELF32_R_TYPE(rela->r_info)) {
case R_ARM_GLOB_DAT:
case R_ARM_JUMP_SLOT:
/* (S + A) | T */
*(uint32_t *)reloc_addr = addr;
break;
case R_ARM_RELATIVE:
/* B(S) + A */
*(uint32_t *)reloc_addr += load_bias;
break;
case R_ARM_ABS32:
/* (S + A) | T */
*(uint32_t *)reloc_addr += addr;
break;
default:
printf("Unsupported Relocation Type: %d\n", ELF32_R_TYPE(rela->r_info));
break;
}
}

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components/elfloader/common/tos_elfloader_symtab.c Normal file
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/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#include "tos_elfloader.h"
__KNL__ void *elfloader_symtab_lookup(char *name)
{
const el_symbol_t *symbol;
for (symbol = &el_symbols[0]; symbol; ++symbol) {
if (strcmp(name, symbol->name) == 0) {
return symbol->value;
}
}
return K_NULL;
}

464
components/elfloader/relocatable_object/tos_elfloader_relocatable_object.c Normal file
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/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#include "tos_elfloader.h"
__STATIC__ void *local_symtab_lookup(int fd, char *sym_name,
el_section_t bss, el_section_t data, el_section_t rodata, el_section_t text,
uint32_t symtab_offset, uint32_t symtab_size, uint32_t symtab_entsize,
uint32_t strtab_offset)
{
int i = 0;
elf32_sym_t sym;
#define SYMBOL_NAME_MAX 30
static char name[SYMBOL_NAME_MAX];
for (i = 0; i < symtab_size / symtab_entsize; ++i) {
if (elfloader_fd_read(fd, symtab_offset, &sym, sizeof(elf32_sym_t)) != ELFLOADER_ERR_NONE) {
return K_NULL;
}
if (sym.st_name) {
if (elfloader_fd_read(fd, strtab_offset + sym.st_name, name, sizeof(name)) != ELFLOADER_ERR_NONE) {
return K_NULL;
}
if (strcmp(name, sym_name) == 0) {
if (sym.st_shndx == bss.shndx && bss.address) {
return (void *)((uint32_t)bss.address + sym.st_value);
} else if (sym.st_shndx == data.shndx && data.address) {
return (void *)((uint32_t)data.address + sym.st_value);
} else if (sym.st_shndx == rodata.shndx && rodata.address) {
return (void *)((uint32_t)rodata.address + sym.st_value);
} else if (sym.st_shndx == text.shndx && text.address) {
return (void *)((uint32_t)text.address + sym.st_value);
} else {
return K_NULL;
}
}
}
symtab_offset += symtab_entsize;
}
return K_NULL;
}
__STATIC__ el_err_t elfloader_relocate(int fd, void *address,
el_section_t bss, el_section_t data, el_section_t rodata, el_section_t text,
uint32_t rel_offset, uint32_t rel_size, uint32_t rel_entsize,
uint32_t symtab_offset, uint32_t symtab_size, uint32_t symtab_entsize,
uint32_t strtab_offset, uint32_t strtab_size)
{
int i = 0;
elf32_rela_t rela;
elf32_sym_t sym;
void *addr;
#define SYMBOL_NAME_MAX 30
static char name[SYMBOL_NAME_MAX];
int is_rela = (rel_entsize == sizeof(elf32_rela_t) ? K_TRUE : K_FALSE);
for (i = 0; i < rel_size / rel_entsize; ++i) {
addr = K_NULL;
if (elfloader_fd_read(fd, rel_offset, &rela, rel_entsize) != ELFLOADER_ERR_NONE) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
if (elfloader_fd_read(fd,
symtab_offset + ELF32_R_SYM(rela.r_info) * symtab_entsize,
&sym,
symtab_entsize) != ELFLOADER_ERR_NONE) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
if (sym.st_name) {
/* load the symbol's name */
if (elfloader_fd_read(fd,
strtab_offset + sym.st_name,
name,
sizeof(name)) != ELFLOADER_ERR_NONE) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
/* an external symbol, or a weak one */
if (sym.st_shndx == SHN_UNDEF ||
ELF32_SYM_TYPE(sym.st_info) == STB_WEAK) {
/* look up in the global symbol table */
addr = elfloader_symtab_lookup(name);
}
/* an external symbol but not found in the global symbol table */
if (sym.st_shndx == SHN_UNDEF && !addr) {
return ELFLOADER_ERR_SYM_NOT_FOUND;
}
/* an internal symbol, or a weak symbol without STRONG one in global symbol table */
if (!addr) {
addr = local_symtab_lookup(fd, name,
bss, data, rodata, text,
symtab_offset, symtab_size, symtab_entsize,
strtab_offset);
}
} else {
if (sym.st_shndx == bss.shndx) {
addr = bss.address;
} else if (sym.st_shndx == data.shndx) {
addr = data.address;
} else if (sym.st_shndx == rodata.shndx) {
addr = rodata.address;
} else if (sym.st_shndx == text.shndx) {
addr = text.address;
} else {
return ELFLOADER_ERR_SECTION_NOT_FOUND;
}
}
/* still not found */
if (!addr) {
return ELFLOADER_ERR_SYM_NOT_FOUND;
}
elfloader_arch_relocate(rela.r_offset + (uint32_t)address, 0, (uint32_t)addr, &rela, is_rela);
rel_offset += rel_entsize;
}
return ELFLOADER_ERR_NONE;
}
__API__ el_err_t tos_elfloader_load(el_module_t *module, int fd)
{
int i = 0;
el_err_t err;
elf32_ehdr_t ehdr;
elf32_shdr_t shdr;
elf32_shdr_t shstrtab;
static el_section_t bss, data, rodata, text;
#define SECTION_NAME_MAX 20
static char section_name[SECTION_NAME_MAX];
void *base = K_NULL, *addr_sec2cp; /* ram base for LOAD sections */
uint32_t shdr_offset;
uint32_t shstrtab_offset;
uint32_t strtab_offset, strtab_size = 0;
uint32_t symtab_offset, symtab_size = 0, symtab_entsize;
uint32_t text_offset = 0, text_size = 0;
uint32_t data_offset = 0, data_size = 0;
uint32_t rodata_offset = 0, rodata_size = 0;
uint32_t bss_size = 0;
uint32_t rel_text_offset, rel_text_size = 0, rel_text_entsize;
uint32_t rel_data_offset, rel_data_size = 0, rel_data_entsize;
uint32_t rel_rodata_offset, rel_rodata_size = 0, rel_rodata_entsize;
uint32_t rela_text_offset, rela_text_size = 0, rela_text_entsize;
uint32_t rela_data_offset, rela_data_size = 0, rela_data_entsize;
uint32_t rela_rodata_offset, rela_rodata_size = 0, rela_rodata_entsize;
if (!module) {
return ELFLOADER_ERR_PTR_NULL;
}
memset(module, 0, sizeof(el_module_t));
/* read the elf header */
if (elfloader_fd_read(fd, 0, &ehdr, sizeof(elf32_ehdr_t)) != ELFLOADER_ERR_NONE) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
/* sanity check, magic verify */
if (memcmp(ehdr.e_ident, elf_header_magic, sizeof(elf_header_magic)) != 0) {
return ELFLOADER_ERR_HEADER_INVALID;
}
/* it should be a relocatable object */
if (ehdr.e_type != ET_REL) {
return ELFLOADER_ERR_TYPE_INVALID;
}
if (elfloader_fd_read(fd, ehdr.e_shoff + ehdr.e_shentsize * ehdr.e_shstrndx,
&shstrtab, ehdr.e_shentsize) != ELFLOADER_ERR_NONE) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
shstrtab_offset = shstrtab.sh_offset;
shdr_offset = ehdr.e_shoff;
for (i = 0; i < ehdr.e_shnum; ++i) {
if (elfloader_fd_read(fd, shdr_offset, &shdr, sizeof(elf32_shdr_t)) != ELFLOADER_ERR_NONE) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
if (elfloader_fd_read(fd, shstrtab_offset + shdr.sh_name, section_name, sizeof(section_name)) != ELFLOADER_ERR_NONE) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
/*
|-----------------------------------------------------|
| Name | sh_type | sh_flag |
|----------|--------------|---------------------------|
| .bss | SHT_NOBITS | SHF_ALLOC + SHF_WRITE |
| .data | SHT_PROGBITS | SHF_ALLOC + SHF_WRITE |
| .rodata | SHT_PROGBITS | SHF_ALLOC |
| .text | SHT_PROGBITS | SHF_ALLOC + SHF_EXECINSTR |
|-----------------------------------------------------|
*/
if (shdr.sh_type == SHT_NULL) {
;
} else if (shdr.sh_type == SHT_STRTAB) {
strtab_offset = shdr.sh_offset;
strtab_size = shdr.sh_size;
} else if (shdr.sh_type == SHT_SYMTAB) {
symtab_offset = shdr.sh_offset;
symtab_size = shdr.sh_size;
symtab_entsize = shdr.sh_entsize;
} else if (shdr.sh_type == SHT_NOBITS && shdr.sh_flags == (SHF_ALLOC | SHF_WRITE)) {
bss_size = shdr.sh_size;
bss.shndx = i;
} else if (shdr.sh_type == SHT_PROGBITS && shdr.sh_flags == (SHF_ALLOC | SHF_WRITE)) {
data_offset = shdr.sh_offset;
data_size = shdr.sh_size;
data.shndx = i;
} else if (shdr.sh_type == SHT_PROGBITS && shdr.sh_flags == SHF_ALLOC) {
rodata_offset = shdr.sh_offset;
rodata_size = shdr.sh_size;
rodata.shndx = i;
} else if (shdr.sh_type == SHT_PROGBITS && shdr.sh_flags == (SHF_ALLOC | SHF_EXECINSTR)) {
text_offset = shdr.sh_offset;
text_size = shdr.sh_size;
text.shndx = i;
} else if (shdr.sh_type == SHT_REL &&
strncmp(".rel.data", section_name, 9) == 0) {
rel_data_offset = shdr.sh_offset;
rel_data_size = shdr.sh_size;
rel_data_entsize = shdr.sh_entsize;
} else if (shdr.sh_type == SHT_RELA &&
strncmp(".rela.data", section_name, 10) == 0) {
rela_data_offset = shdr.sh_offset;
rela_data_size = shdr.sh_size;
rela_data_entsize = shdr.sh_entsize;
} else if (shdr.sh_type == SHT_REL &&
(strncmp(".rel.rodata", section_name, 11) == 0 ||
strncmp(".rel.constdata", section_name, 14) == 0)) {
rel_rodata_offset = shdr.sh_offset;
rel_rodata_size = shdr.sh_size;
rel_rodata_entsize = shdr.sh_entsize;
} else if (shdr.sh_type == SHT_RELA &&
(strncmp(".rela.rodata", section_name, 12) == 0 ||
strncmp(".rela.constdata", section_name, 15) == 0)) {
rela_rodata_offset = shdr.sh_offset;
rela_rodata_size = shdr.sh_size;
rela_rodata_entsize = shdr.sh_entsize;
} else if (shdr.sh_type == SHT_REL &&
strncmp(".rel.text", section_name, 9) == 0) {
rel_text_offset = shdr.sh_offset;
rel_text_size = shdr.sh_size;
rel_text_entsize = shdr.sh_entsize;
} else if (shdr.sh_type == SHT_RELA &&
strncmp(".rela.text", section_name, 10) == 0) {
rela_text_offset = shdr.sh_offset;
rela_text_size = shdr.sh_size;
rela_text_entsize = shdr.sh_entsize;
}
shdr_offset += ehdr.e_shentsize;
}
if (symtab_size == 0) {
return ELFLOADER_ERR_NO_SYMTAB;
}
if (strtab_size == 0) {
return ELFLOADER_ERR_NO_STRTAB;
}
if (text_size == 0) {
return ELFLOADER_ERR_NO_TEXT;
}
base = tos_mmheap_alloc(text_size + data_size + rodata_size + bss_size);
if (!base) {
return ELFLOADER_ERR_OUT_OF_MEMORY;
}
/* do sections load */
addr_sec2cp = base;
if (text_size > 0) {
if (elfloader_fd_read(fd, text_offset, addr_sec2cp, text_size) != ELFLOADER_ERR_NONE) {
err = ELFLOADER_ERR_FD_READ_FAILED;
goto OUT;
}
text.address = addr_sec2cp;
addr_sec2cp = (void *)((uint32_t)addr_sec2cp + text_size);
}
if (rodata_size > 0) {
if (elfloader_fd_read(fd, rodata_offset, addr_sec2cp, rodata_size) != ELFLOADER_ERR_NONE) {
err = ELFLOADER_ERR_FD_READ_FAILED;
goto OUT;
}
rodata.address = addr_sec2cp;
addr_sec2cp = (void *)((uint32_t)addr_sec2cp + rodata_size);
}
if (data_size > 0) {
if (elfloader_fd_read(fd, data_offset, addr_sec2cp, data_size) != ELFLOADER_ERR_NONE) {
err = ELFLOADER_ERR_FD_READ_FAILED;
goto OUT;
}
data.address = addr_sec2cp;
addr_sec2cp = (void *)((uint32_t)addr_sec2cp + data_size);
}
if (bss_size > 0) {
bss.address = addr_sec2cp;
memset(bss.address, 0, bss_size);
}
if (rel_data_size > 0) {
err = elfloader_relocate(fd, data.address,
bss, data, rodata, text,
rel_data_offset, rel_data_size, rel_data_entsize,
symtab_offset, symtab_size, symtab_entsize,
strtab_offset, strtab_size);
if (err != ELFLOADER_ERR_NONE) {
goto OUT;
}
}
if (rela_data_size > 0) {
err = elfloader_relocate(fd, data.address,
bss, data, rodata, text,
rela_data_offset, rela_data_size, rela_data_entsize,
symtab_offset, symtab_size, symtab_entsize,
strtab_offset, strtab_size);
if (err != ELFLOADER_ERR_NONE) {
goto OUT;
}
}
if (rel_rodata_size > 0) {
err = elfloader_relocate(fd, rodata.address,
bss, data, rodata, text,
rel_rodata_offset, rel_rodata_size, rel_rodata_entsize,
symtab_offset, symtab_size, symtab_entsize,
strtab_offset, strtab_size);
if (err != ELFLOADER_ERR_NONE) {
goto OUT;
}
}
if (rela_rodata_size > 0) {
err = elfloader_relocate(fd, rodata.address,
bss, data, rodata, text,
rela_rodata_offset, rela_rodata_size, rela_rodata_entsize,
symtab_offset, symtab_size, symtab_entsize,
strtab_offset, strtab_size);
if (err != ELFLOADER_ERR_NONE) {
goto OUT;
}
}
if (rel_text_size > 0) {
err = elfloader_relocate(fd, text.address,
bss, data, rodata, text,
rel_text_offset, rel_text_size, rel_text_entsize,
symtab_offset, symtab_size, symtab_entsize,
strtab_offset, strtab_size);
if (err != ELFLOADER_ERR_NONE) {
goto OUT;
}
}
if (rela_text_size > 0) {
err = elfloader_relocate(fd, text.address,
bss, data, rodata, text,
rela_text_offset, rela_text_size, rela_text_entsize,
symtab_offset, symtab_size, symtab_entsize,
strtab_offset, strtab_size);
if (err != ELFLOADER_ERR_NONE) {
goto OUT;
}
}
/* TODO: should do icache/dcahe flush here, sth. like:
dcache_flush();
icache_flush();
*/
module->fd = fd;
module->base = base;
module->info.obj.bss = bss;
module->info.obj.data = data;
module->info.obj.rodata = rodata;
module->info.obj.text = text;
module->symtab_offset = symtab_offset;
module->symtab_size = symtab_size;
module->symtab_entsize = symtab_entsize;
module->strtab_offset = strtab_offset;
return ELFLOADER_ERR_NONE;
OUT:
if (base) {
tos_mmheap_free(base);
}
return err;
}
__API__ el_err_t tos_elfloader_unload(el_module_t *module)
{
if (!module || !module->base) {
return ELFLOADER_ERR_PTR_NULL;
}
tos_mmheap_free(module->base);
module->base = K_NULL;
return ELFLOADER_ERR_NONE;
}
__API__ void *tos_elfloader_find_symbol(el_module_t *module, char *symbol)
{
return local_symtab_lookup(module->fd, symbol,
module->info.obj.bss, module->info.obj.data, module->info.obj.rodata, module->info.obj.text,
module->symtab_offset, module->symtab_size, module->symtab_entsize,
module->strtab_offset);
}

353
components/elfloader/shared_object/tos_elfloader_shared_object.c Normal file
View File

@@ -0,0 +1,353 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#include "tos_elfloader.h"
__STATIC__ void *local_symtab_lookup(int fd, int32_t load_bias, char *sym_name,
uint32_t symtab_offset, uint32_t symtab_size, uint32_t symtab_entsize,
uint32_t strtab_offset)
{
int i = 0;
elf32_sym_t sym;
#define SYMBOL_NAME_MAX 30
static char name[SYMBOL_NAME_MAX];
for (i = 0; i < symtab_size / symtab_entsize; ++i) {
if (elfloader_fd_read(fd, symtab_offset, &sym, sizeof(elf32_sym_t)) != ELFLOADER_ERR_NONE) {
return K_NULL;
}
if (sym.st_name) {
if (elfloader_fd_read(fd, strtab_offset + sym.st_name, name, sizeof(name)) != ELFLOADER_ERR_NONE) {
return K_NULL;
}
if (strcmp(name, sym_name) == 0) {
return (void *)(sym.st_value + load_bias);
}
}
symtab_offset += symtab_entsize;
}
return K_NULL;
}
__STATIC__ el_err_t elfloader_relocate(int fd, int32_t load_bias,
uint32_t rel_offset, uint32_t rel_size, uint32_t rel_entsize,
uint32_t symtab_offset, uint32_t symtab_size, uint32_t symtab_entsize,
uint32_t strtab_offset, uint32_t strtab_size)
{
int i = 0;
elf32_rela_t rela;
elf32_sym_t sym;
void *addr;
#define SYMBOL_NAME_MAX 30
static char name[SYMBOL_NAME_MAX];
int is_rela = (rel_entsize == sizeof(elf32_rela_t) ? K_TRUE : K_FALSE);
for (i = 0; i < rel_size / rel_entsize; ++i) {
addr = K_NULL;
if (elfloader_fd_read(fd, rel_offset, &rela, rel_entsize) != ELFLOADER_ERR_NONE) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
if (elfloader_fd_read(fd,
symtab_offset + ELF32_R_SYM(rela.r_info) * symtab_entsize,
&sym,
symtab_entsize) != ELFLOADER_ERR_NONE) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
/* load the symbol's name */
if (elfloader_fd_read(fd,
strtab_offset + sym.st_name,
name,
sizeof(name)) != ELFLOADER_ERR_NONE) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
/* an external symbol, or a weak one */
if (sym.st_shndx == SHN_UNDEF ||
ELF32_SYM_TYPE(sym.st_info) == STB_WEAK) {
/* look up in the global symbol table */
addr = elfloader_symtab_lookup(name);
}
/* an external symbol but not found in the global symbol table */
if (sym.st_shndx == SHN_UNDEF && !addr) {
return ELFLOADER_ERR_SYM_NOT_FOUND;
}
/* an internal symbol, or a weak symbol without STRONG one in global symbol table */
if (!addr) {
addr = local_symtab_lookup(fd, load_bias, name,
symtab_offset, symtab_size, symtab_entsize,
strtab_offset);
}
/* still not found */
if (!addr) {
return ELFLOADER_ERR_SYM_NOT_FOUND;
}
elfloader_arch_relocate(rela.r_offset + load_bias, load_bias, (uint32_t)addr, &rela, is_rela);
rel_offset += rel_entsize;
}
return ELFLOADER_ERR_NONE;
}
__API__ el_err_t tos_elfloader_load(el_module_t *module, int fd)
{
int i = 0;
el_err_t err;
elf32_ehdr_t ehdr;
elf32_shdr_t shdr;
elf32_dyn_t dyn;
elf32_phdr_t phdr;
void *base = K_NULL, *addr_seg2cp; /* ram base for LOAD segments */
int32_t load_bias;
uint32_t shdr_offset, phdr_offset;
uint32_t vaddr_start = (uint32_t)-1, vaddr_end = 0;
uint32_t dyn_offset, dyn_size = 0, dyn_entsize;
uint32_t strtab_offset, strtab_size = 0;
uint32_t symtab_offset, symtab_size = 0, symtab_entsize;
uint32_t rel_entsize;
uint32_t rel_dyn_offset, rel_dyn_size = 0;
uint32_t rel_plt_offset, rel_plt_size = 0;
if (!module) {
return ELFLOADER_ERR_PTR_NULL;
}
memset(module, 0, sizeof(el_module_t));
/* read the elf header */
if (elfloader_fd_read(fd, 0, &ehdr, sizeof(elf32_ehdr_t)) != ELFLOADER_ERR_NONE) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
/* sanity check, magic verify */
if (memcmp(ehdr.e_ident, elf_header_magic, sizeof(elf_header_magic)) != 0) {
return ELFLOADER_ERR_HEADER_INVALID;
}
/* it should be a shared object */
if (ehdr.e_type != ET_DYN) {
return ELFLOADER_ERR_TYPE_INVALID;
}
shdr_offset = ehdr.e_shoff;
for (i = 0; i < ehdr.e_shnum; ++i) {
if (elfloader_fd_read(fd, shdr_offset, &shdr, sizeof(elf32_shdr_t)) != ELFLOADER_ERR_NONE) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
if (shdr.sh_type == SHT_DYNAMIC) { /* dynamic section, .dynamic */
dyn_offset = shdr.sh_offset;
dyn_size = shdr.sh_size;
dyn_entsize = shdr.sh_entsize;
} else if (shdr.sh_type == SHT_DYNSYM) { /* .dynsym */
symtab_size = shdr.sh_size;
}
shdr_offset += ehdr.e_shentsize;
}
if (dyn_size == 0) {
return ELFLOADER_ERR_NO_DYN;
}
if (symtab_size == 0) {
return ELFLOADER_ERR_NO_SYMTAB;
}
for (i = 0; i < dyn_size / dyn_entsize; ++i) {
if (elfloader_fd_read(fd, dyn_offset, &dyn, sizeof(elf32_dyn_t)) != ELFLOADER_ERR_NONE) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
if (dyn.d_tag == DT_NULL) {
break;
} else if (dyn.d_tag == DT_SYMTAB) { /* dynamic symbol table */
symtab_offset = dyn.d_un.d_ptr;
} else if (dyn.d_tag == DT_SYMENT) { /* entry size of symbol table */
symtab_entsize = dyn.d_un.d_val;
} else if (dyn.d_tag == DT_STRTAB) { /* dynamic string table */
strtab_offset = dyn.d_un.d_ptr;
} else if (dyn.d_tag == DT_STRSZ) { /* size of dynamic string table */
strtab_size = dyn.d_un.d_val;
} else if (dyn.d_tag == DT_REL) { /* dynamic relocation table */
rel_dyn_offset = dyn.d_un.d_ptr;
} else if (dyn.d_tag == DT_RELSZ) { /* size of rel.dyn */
rel_dyn_size = dyn.d_un.d_val;
} else if (dyn.d_tag == DT_RELENT) { /* entry size of rel.dyn */
rel_entsize = dyn.d_un.d_val;
} else if (dyn.d_tag == DT_JMPREL) { /* plt relocation table. why NOT DT_PLTREL, confusing */
rel_plt_offset = dyn.d_un.d_ptr;
} else if (dyn.d_tag == DT_PLTRELSZ) { /* size of rel.plt */
rel_plt_size = dyn.d_un.d_val;
}
dyn_offset += dyn_entsize;
}
if (strtab_size == 0) {
return ELFLOADER_ERR_NO_STRTAB;
}
phdr_offset = ehdr.e_phoff;
for (i = 0; i < ehdr.e_phnum; ++i) {
if (elfloader_fd_read(fd, phdr_offset, &phdr, sizeof(elf32_phdr_t)) != ELFLOADER_ERR_NONE) {
return ELFLOADER_ERR_FD_READ_FAILED;
}
if (phdr.p_type == PHT_LOAD) {
if (phdr.p_vaddr < vaddr_start) {
vaddr_start = phdr.p_vaddr;
}
if (phdr.p_vaddr + phdr.p_memsz > vaddr_end) {
vaddr_end = phdr.p_vaddr + phdr.p_memsz;
}
}
phdr_offset += ehdr.e_phentsize;
}
if (vaddr_start == (uint32_t)-1 || vaddr_end == 0) {
return ELFLOADER_ERR_NO_LOAD_SEGMENTS;
}
/* reserving memory for LOAD segments */
base = tos_mmheap_aligned_alloc(vaddr_end - vaddr_start, 64);
if (!base) {
return ELFLOADER_ERR_OUT_OF_MEMORY;
}
load_bias = (uint32_t)base - vaddr_start;
/* do segments load */
phdr_offset = ehdr.e_phoff;
for (i = 0; i < ehdr.e_phnum; ++i) {
if (elfloader_fd_read(fd, phdr_offset, &phdr, sizeof(elf32_phdr_t)) != ELFLOADER_ERR_NONE) {
err = ELFLOADER_ERR_FD_READ_FAILED;
goto OUT;
}
if (phdr.p_type == PHT_LOAD) {
addr_seg2cp = (void *)(load_bias + phdr.p_vaddr);
if (elfloader_fd_read(fd,
phdr.p_offset,
addr_seg2cp,
phdr.p_filesz) != ELFLOADER_ERR_NONE) {
err = ELFLOADER_ERR_FD_READ_FAILED;
goto OUT;
}
if (phdr.p_memsz > phdr.p_filesz) {
/* clear bss */
memset((void *)((uint8_t *)addr_seg2cp + phdr.p_filesz),
0,
phdr.p_memsz - phdr.p_filesz);
}
}
phdr_offset += ehdr.e_phentsize;
}
if (rel_dyn_size > 0) {
err = elfloader_relocate(fd, load_bias,
rel_dyn_offset, rel_dyn_size, rel_entsize,
symtab_offset, symtab_size, symtab_entsize,
strtab_offset, strtab_size);
if (err != ELFLOADER_ERR_NONE) {
goto OUT;
}
}
if (rel_plt_size > 0) {
err = elfloader_relocate(fd, load_bias,
rel_plt_offset, rel_plt_size, rel_entsize,
symtab_offset, symtab_size, symtab_entsize,
strtab_offset, strtab_size);
if (err != ELFLOADER_ERR_NONE) {
goto OUT;
}
}
/* TODO: should do icache/dcahe flush here, sth. like:
dcache_flush();
icache_flush();
*/
module->fd = fd;
module->base = base;
module->info.so.load_bias = load_bias;
module->symtab_offset = symtab_offset;
module->symtab_size = symtab_size;
module->symtab_entsize = symtab_entsize;
module->strtab_offset = strtab_offset;
return ELFLOADER_ERR_NONE;
OUT:
if (base) {
tos_mmheap_free(base);
}
return err;
}
__API__ el_err_t tos_elfloader_unload(el_module_t *module)
{
if (!module || !module->base) {
return ELFLOADER_ERR_PTR_NULL;
}
tos_mmheap_free(module->base);
module->base = K_NULL;
return ELFLOADER_ERR_NONE;
}
__API__ void *tos_elfloader_find_symbol(el_module_t *module, char *symbol)
{
return local_symtab_lookup(module->fd, module->info.so.load_bias, symbol,
module->symtab_offset, module->symtab_size, module->symtab_entsize,
module->strtab_offset);
}

17
components/fs/vfs/include/tos_vfs.h
View File

@@ -1,3 +1,20 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _TOS_VFS_H_
#define _TOS_VFS_H_

17
components/fs/vfs/include/tos_vfs_device.h
View File

@@ -1,3 +1,20 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _TOS_VFS_DEVICE_H_
#define _TOS_VFS_DEVICE_H_

17
components/fs/vfs/include/tos_vfs_err.h
View File

@@ -1,3 +1,20 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _TOS_VFS_ERR_H_
#define _TOS_VFS_ERR_H_

17
components/fs/vfs/include/tos_vfs_file.h
View File

@@ -1,3 +1,20 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _TOS_VFS_FILE_H_
#define _TOS_VFS_FILE_H_

17
components/fs/vfs/include/tos_vfs_fs.h
View File

@@ -1,3 +1,20 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _TOS_VFS_FS_H_
#define _TOS_VFS_FS_H_

17
components/fs/vfs/include/tos_vfs_inode.h
View File

@@ -1,3 +1,20 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _TOS_VFS_INODE_H_
#define _TOS_VFS_INODE_H_

20
components/fs/vfs/include/tos_vfs_types.h
View File

@@ -1,3 +1,20 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _TOS_VFS_TYPES_H_
#define _TOS_VFS_TYPES_H_
@@ -10,4 +27,5 @@ typedef uint32_t vfs_oflag_t;
#define ssize_t int
#endif
#endif
#endif /* _TOS_VFS_TYPES_H_ */

17
components/fs/vfs/tos_vfs.c
View File

@@ -1,3 +1,20 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#include "tos_vfs.h"
__API__ int tos_vfs_open(const char *pathname, vfs_oflag_t flags)

17
components/fs/vfs/tos_vfs_device.c
View File

@@ -1,3 +1,20 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#include "tos_vfs.h"
vfs_err_t tos_vfs_block_device_register(const char *device_name, vfs_blkdev_ops_t *ops)

17
components/fs/vfs/tos_vfs_file.c
View File

@@ -1,3 +1,20 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#include "tos_vfs.h"
__STATIC__ vfs_file_t vfs_file_pool[VFS_FILE_OPEN_MAX] = { { K_NULL, 0 } };

17
components/fs/vfs/tos_vfs_fs.c
View File

@@ -1,3 +1,20 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#include "tos_vfs.h"
extern k_list_t k_vfs_fsmap_list;

17
components/fs/vfs/tos_vfs_inode.c
View File

@@ -1,3 +1,20 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#include "tos_vfs.h"
__STATIC__ TOS_LIST_DEFINE(k_vfs_inode_list);

100
examples/elfloader_relocatable_object/elfloader_relocatable_object.c Normal file
View File

@@ -0,0 +1,100 @@
#include "tos_k.h"
#include "tos_hal.h"
#include "ff.h"
#include "tos_vfs.h"
#include "tos_fatfs_drv.h"
#include "tos_fatfs_vfs.h"
#include "tos_elfloader.h"
int d_e_a = 9;
int f_e_a(int a)
{
/* a = d_e_a + d_g_a = d_e_a + 15 = 24 */
printf("f_e_a: %d\n", a);
return 0;
}
const el_symbol_t el_symbols[] = {
{ "d_e_a", &d_e_a },
{ "f_e_a", f_e_a },
{ K_NULL, K_NULL },
};
/*
step1: create 1.c
extern int d_e_a;
int d_g_a = 3;
static int d_s_a = 5;
extern int f_e_a(int);
static int f_s_a(void) {
d_s_a += 7; // d_s_a = 12
}
int f_g_a(void) {
f_s_a();
d_g_a += d_s_a; // d_g_a = 15
d_e_a += d_g_a; // + 15
f_e_a(d_e_a);
}
step2: compile 1.c to 1.o
arm-linux-gnueabihf-gcc -fno-builtin -nostdlib -mthumb -mthumb-interwork -mcpu=cortex-m4 -c 1.c -o 1.o
*/
void application_entry(void *arg)
{
int fd;
el_module_t module;
extern vfs_blkdev_ops_t sd_dev;
extern vfs_fs_ops_t fatfs_ops;
if (tos_vfs_block_device_register("/dev/sd", &sd_dev) != VFS_ERR_NONE) {
return;
}
if (tos_vfs_fs_register("fatfs_sd", &fatfs_ops) != VFS_ERR_NONE) {
return;
}
if (tos_vfs_fs_mount("/dev/sd", "/fs/fatfs_sd", "fatfs_sd") != VFS_ERR_NONE) {
printf("mount failed!\n");
return;
}
fd = tos_vfs_open("/fs/fatfs_sd/1.o", VFS_OFLAG_READ | VFS_OFLAG_EXISTING);
if (fd < 0) {
return;
}
if (tos_elfloader_load(&module, fd) != ELFLOADER_ERR_NONE) {
return;
}
void *addr = tos_elfloader_find_symbol(&module, "f_g_a");
if (!addr) {
printf("symbol NOT FOUND: %s\n", "f_g_a");
return;
}
printf("addr: %x\n", addr);
typedef int (*fp_t)(void);
/* call f_g_a in 1.o */
((fp_t)addr)();
tos_elfloader_unload(&module);
tos_vfs_close(fd);
}

103
examples/elfloader_shared_object/elfloader_shared_object.c Normal file
View File

@@ -0,0 +1,103 @@
#include "tos_k.h"
#include "tos_hal.h"
#include "ff.h"
#include "tos_vfs.h"
#include "tos_fatfs_drv.h"
#include "tos_fatfs_vfs.h"
#include "tos_elfloader.h"
int d_e_a = 9;
int f_e_a(int a)
{
/* a = d_e_a + d_g_a = d_e_a + 15 = 24 */
printf("f_e_a: %d\n", a);
return 0;
}
const el_symbol_t el_symbols[] = {
{ "d_e_a", &d_e_a },
{ "f_e_a", f_e_a },
{ K_NULL, K_NULL },
};
/*
step1: create 1.c
extern int d_e_a;
int d_g_a = 3;
static int d_s_a = 5;
extern int f_e_a(int);
static int f_s_a(void) {
d_s_a += 7; // d_s_a = 12
}
int f_g_a(void) {
f_s_a();
d_g_a += d_s_a; // d_g_a = 15
d_e_a += d_g_a; // + 15
f_e_a(d_e_a);
}
step2: compile 1.c to 1.o
arm-linux-gnueabihf-gcc -fno-builtin -nostdlib -mthumb -mthumb-interwork -fPIC -mcpu=cortex-m4 -c 1.c -o 1.o
step3: ld 1.o to 1.so
arm-linux-gnueabihf-ld -fno-builtin -nostdlib -fPIC -shared -z max-page-size=0x4 1.o -o 1.so
*/
void application_entry(void *arg)
{
int fd;
el_module_t module;
extern vfs_blkdev_ops_t sd_dev;
extern vfs_fs_ops_t fatfs_ops;
if (tos_vfs_block_device_register("/dev/sd", &sd_dev) != VFS_ERR_NONE) {
return;
}
if (tos_vfs_fs_register("fatfs_sd", &fatfs_ops) != VFS_ERR_NONE) {
return;
}
if (tos_vfs_fs_mount("/dev/sd", "/fs/fatfs_sd", "fatfs_sd") != VFS_ERR_NONE) {
printf("mount failed!\n");
return;
}
fd = tos_vfs_open("/fs/fatfs_sd/1.so", VFS_OFLAG_READ | VFS_OFLAG_EXISTING);
if (fd < 0) {
return;
}
if (tos_elfloader_load(&module, fd) != ELFLOADER_ERR_NONE) {
return;
}
void *addr = tos_elfloader_find_symbol(&module, "f_g_a");
if (!addr) {
printf("symbol NOT FOUND: %s\n", "f_g_a");
return;
}
printf("addr: %x\n", addr);
typedef int (*fp_t)(void);
/* call f_g_a in 1.so */
((fp_t)addr)();
tos_elfloader_unload(&module);
tos_vfs_close(fd);
}

2
kernel/core/include/tos_k.h
View File

@@ -19,7 +19,7 @@
#define _TOS_K_H_
#include <tos_compiler.h>
#include <tos_err.h>
#include <tos_kerr.h>
#include <tos_cpu_def.h>
#include <tos_config.h>
#include <tos_config_default.h>

0
kernel/core/include/tos_err.h → kernel/core/include/tos_kerr.h
View File