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add cortex-v7a support

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How To Run:
    see TencentOS-tiny\board\ALPHA_I.MX_emmc_256ddr\README.md

TODO Next:
1. VFP support
2. fault diagnosis support
3. qemu vexpress ca9 support
4. raspberry pi support
5. SMP support
This commit is contained in:
daishengdong
2020-01-19 19:06:24 +08:00
parent 08ab1d88e1
commit 3d9d6198c8
115 changed files with 98070 additions and 29 deletions
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43
arch/arm/arm-v7a/common/include/tos_arm.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_ARM_H_
#define _TOS_ARM_H_
#define DSB __ASM__ __VOLATILE__("dsb" ::: "memory")
#define DMB __ASM__ __VOLATILE__("dmb" ::: "memory")
#define ISB __ASM__ __VOLATILE__("isb" ::: "memory")
#define __STRINGIFY(x) #x
#define ARM_MCR(coproc, opcode_1, src, CRn, CRm, opcode_2) \
__ASM__ __VOLATILE__ ("MCR " __STRINGIFY(p##coproc) ", " __STRINGIFY(opcode_1) ", " \
"%0, " __STRINGIFY(c##CRn) ", " __STRINGIFY(c##CRm) ", " \
__STRINGIFY(opcode_2) \
: : "r" (src) )
#define ARM_MRC(coproc, opcode_1, CRn, CRm, opcode_2) \
({ \
uint32_t __dst; \
__ASM__ __VOLATILE__ ("MRC " __STRINGIFY(p##coproc) ", " __STRINGIFY(opcode_1) ", " \
"%0, " __STRINGIFY(c##CRn) ", " __STRINGIFY(c##CRm) ", " \
__STRINGIFY(opcode_2) \
: "=r" (__dst) ); \
__dst; \
})
#endif /* _TOS_ARM_H_ */