board: nsim: sbrk.c:(.text+0x10) undefined reference to end

Signed-off-by: Jingru <jingru@synopsys.com>

.vscode/settings.json

@@ -1,6 +1,9 @@
 {
     "files.associations": {
         "arc_exception.h": "c",
-        "arc_timer.h": "c"
+        "arc_timer.h": "c",
+        "board.h": "c",
+        "console_io.h": "c",
+        "xprintf.h": "c"
     }
 }

board/ARC_NSIM_EM/BSP/Src/main.c

@@ -1,8 +1,6 @@
 #include "cmsis_os.h"
-#include "arc/arc_exception.h"
-#include "arc/arc_cache.h"
-#include "nsim.h"
-#include "board.h"
+#include "embARC.h"
+#include "embARC_debug.h"
 
 static uint32_t cyc_hz_count = (BOARD_CPU_CLOCK / BOARD_SYS_TIMER_HZ);
 
@@ -42,6 +40,7 @@ int main(void)
     arc_cache_init();
     board_init();
     board_timer_init();
+    xprintf_setup();
     printf("Welcome to TencentOS tiny\r\n");
     osKernelInitialize(); // TOS Tiny kernel initialize
     osThreadCreate(osThread(application_entry), NULL); // Create TOS Tiny task

board/ARC_NSIM_EM/GCC/hello_world/Makefile

@@ -64,7 +64,9 @@ HAL_DRIVER_SRC =  \
 		$(TOP_DIR)/platform/vendor_bsp/embarc_bsp/arc/arc_udma.c \
 		$(TOP_DIR)/platform/vendor_bsp/embarc_bsp/arc/arc_util.c \
 		$(TOP_DIR)/platform/vendor_bsp/embarc_bsp/library/clib/embARC_sbrk.c \
-		$(TOP_DIR)/platform/vendor_bsp/embarc_bsp/library/clib/embARC_syscalls.c
+		$(TOP_DIR)/platform/vendor_bsp/embarc_bsp/library/clib/embARC_syscalls.c \
+		$(TOP_DIR)/platform/vendor_bsp/embarc_bsp/library/console/xprintf/xprintf.c \
+		$(TOP_DIR)/platform/vendor_bsp/embarc_bsp/library/console/console_io.c
 		C_SOURCES += $(HAL_DRIVER_SRC) 
 
 # ASM sources
@@ -118,6 +120,7 @@ AS_DEFS =
 
 # C defines -DLIB_CONSOLE 
 C_DEFS =  \
+-DLIB_CONSOLE \
 -DBOARD_NSIM \
 -DCURRENT_CORE=arcem \
 -DEMBARC_TCF_GENERATED \
@@ -156,9 +159,9 @@ HAL_DRIVER_INC =  \
 		C_INCLUDES += $(HAL_DRIVER_INC)
 
 # compile gcc flags
-ASFLAGS = -mcpu=em4_dmips -mlittle-endian -mcode-density -mdiv-rem -mswap -mnorm -mmpy-option=6 -mbarrel-shifter --param l1-cache-size=16384 --param l1-cache-line-size=32 $(C_DEFS) $(C_INCLUDES) $(OPT) -fdata-sections -ffunction-sections -std=gnu99
+ASFLAGS = -mcpu=em4_dmips -mlittle-endian -mcode-density -mdiv-rem -mswap -mnorm -mmpy-option=6 -mbarrel-shifter --param l1-cache-size=16384 --param l1-cache-line-size=32 $(C_DEFS) $(C_INCLUDES) $(OPT) -fdata-sections -ffunction-sections -mno-sdata -g
 
-CFLAGS = -mcpu=em4_dmips -mlittle-endian -mcode-density -mdiv-rem -mswap -mnorm -mmpy-option=6 -mbarrel-shifter --param l1-cache-size=16384 --param l1-cache-line-size=32  $(C_DEFS) $(C_INCLUDES) $(OPT) -fdata-sections -ffunction-sections -std=gnu99
+CFLAGS = -mcpu=em4_dmips -mlittle-endian -mcode-density -mdiv-rem -mswap -mnorm -mmpy-option=6 -mbarrel-shifter --param l1-cache-size=16384 --param l1-cache-line-size=32  $(C_DEFS) $(C_INCLUDES) $(OPT) -fdata-sections -ffunction-sections -mno-sdata -g -std=gnu99
 
 # ifeq ($(DEBUG), 1)
 # CFLAGS += -g -gdwarf-2

board/ARC_NSIM_EM/GCC/hello_world/linker_template_gnu.ldf

@@ -1,30 +1,38 @@
 MEMORY
 {
- ICCM : ORIGIN = 0x00000000, LENGTH = 0x80000
- DCCM : ORIGIN = 0x80000000, LENGTH = 0x80000
+ REGION_ICCM : ORIGIN = 0x00000000, LENGTH = 0x80000
+ REGION_DCCM : ORIGIN = 0x80000000, LENGTH = 0x80000
+ REGION_YCCM : ORIGIN = 0xe0000000, LENGTH = 8192
 }
 ENTRY(_start)
 SECTIONS
 {
  .init :
  {
+  . = . + 0x0;
   _f_init = .;
-  KEEP (*(.init_vector))
-  KEEP (*(.init_bootstrap))
+  KEEP (*(.init_vector .init_vector.*))
+  KEEP (*(.init_bootstrap .init_bootstrap.*))
   _e_init = .;
- } > ICCM
+ } > REGION_ICCM
  .vector : ALIGN(1024)
  {
   _f_vector = .;
-  *(.vector)
+  *(.vector .vector.*)
   _e_vector = .;
- } > ICCM
+ } > REGION_ICCM
+ .y_ccm (NOLOAD) : ALIGN(8)
+ {
+  _f_y_ccm = .;
+  *(.y_ccm .y_ccm.*)
+  _e_y_ccm = .;
+ } > REGION_YCCM
  .text : ALIGN(4)
  {
   _f_text = .;
   *(.text .text.* .gnu.linkonce.t.*)
   _e_text = .;
- } > ICCM
+ } > REGION_ICCM
  .rodata : ALIGN(4)
  {
   _f_rodata = .;
@@ -46,7 +54,7 @@ SECTIONS
   __DTOR_END__ = .;
   *(.rodata .rodata.* .gnu.linkonce.r.*)
   _e_rodata = .;
- } > ICCM
+ } > REGION_ICCM
  .data : ALIGN(4)
  {
   _f_data = .;
@@ -54,14 +62,8 @@ SECTIONS
   _f_sdata = .;
   __SDATA_BEGIN__ = .;
   *(.sdata .sdata.* .gnu.linkonce.s.*)
-  _e_sdata = .;
-  _e_data = .;
- } > DCCM AT > ICCM
- .bss (NOLOAD) : ALIGN(8)
- {
   PROVIDE (__sbss_start = .);
   PROVIDE (___sbss_start = .);
-  _f_bss = .;
   _f_sbss = .;
   *(.dynsbss)
   *(.sbss .sbss.* .gnu.linkonce.sb.*)
@@ -69,18 +71,24 @@ SECTIONS
   _e_sbss = .;
   PROVIDE (__sbss_end = .);
   PROVIDE (___sbss_end = .);
+  _e_sdata = .;
+  _e_data = .;
+ } > REGION_DCCM AT > REGION_ICCM
+ .bss (NOLOAD) : ALIGN(8)
+ {
+  _f_bss = .;
   *(.dynbss)
   *(.bss .bss.* .gnu.linkonce.b.*)
   *(COMMON)
   _e_bss = .;
- } > DCCM
+ } > REGION_DCCM
  .stack (NOLOAD) :
  {
   . = ALIGN(4);
   _f_stack = .;
   . = . + 2048;
   _e_stack = .;
- } > DCCM
+ } > REGION_DCCM
  .heap (NOLOAD) :
  {
   . = ALIGN(4);
@@ -89,7 +97,7 @@ SECTIONS
   . = . + 8192;
   _e_heap = .;
   __end_heap = . ;
- } > DCCM
+ } > REGION_DCCM
  _load_addr_text = LOADADDR(.text);
  _load_addr_rodata = LOADADDR(.rodata);
  _load_addr_data = LOADADDR(.data);