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GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

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lai
2026-09-06 03:52:57 +08:00
commit b1928b41c0
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source/bootloader/u-boot-2020.01/arch/arm/include/asm/unified.h
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* include/asm-arm/unified.h - Unified Assembler Syntax helper macros
*
* Copyright (C) 2008 ARM Limited
*/
#ifndef __ASM_UNIFIED_H
#define __ASM_UNIFIED_H
#if defined(__ASSEMBLY__) && defined(CONFIG_ARM_ASM_UNIFIED)
.syntax unified
#endif
#ifdef CONFIG_CPU_V7M
#define AR_CLASS(x...)
#define M_CLASS(x...) x
#else
#define AR_CLASS(x...) x
#define M_CLASS(x...)
#endif
#ifdef CONFIG_THUMB2_KERNEL
#if __GNUC__ < 4
#error Thumb-2 kernel requires gcc >= 4
#endif
/* The CPSR bit describing the instruction set (Thumb) */
#define PSR_ISETSTATE PSR_T_BIT
#define ARM(x...)
#define THUMB(x...) x
#ifdef __ASSEMBLY__
#define W(instr) instr.w
#else
#define WASM(instr) #instr ".w"
#endif
#else /* !CONFIG_THUMB2_KERNEL */
/* The CPSR bit describing the instruction set (ARM) */
#define PSR_ISETSTATE 0
#define ARM(x...) x
#define THUMB(x...)
#ifdef __ASSEMBLY__
#define W(instr) instr
#else
#define WASM(instr) #instr
#endif
#endif /* CONFIG_THUMB2_KERNEL */
#ifndef CONFIG_ARM_ASM_UNIFIED
/*
* If the unified assembly syntax isn't used (in ARM mode), these
* macros expand to an empty string
*/
#ifdef __ASSEMBLY__
.macro it, cond
.endm
.macro itt, cond
.endm
.macro ite, cond
.endm
.macro ittt, cond
.endm
.macro itte, cond
.endm
.macro itet, cond
.endm
.macro itee, cond
.endm
.macro itttt, cond
.endm
.macro ittte, cond
.endm
.macro ittet, cond
.endm
.macro ittee, cond
.endm
.macro itett, cond
.endm
.macro itete, cond
.endm
.macro iteet, cond
.endm
.macro iteee, cond
.endm
#else /* !__ASSEMBLY__ */
__asm__(
" .macro it, cond\n"
" .endm\n"
" .macro itt, cond\n"
" .endm\n"
" .macro ite, cond\n"
" .endm\n"
" .macro ittt, cond\n"
" .endm\n"
" .macro itte, cond\n"
" .endm\n"
" .macro itet, cond\n"
" .endm\n"
" .macro itee, cond\n"
" .endm\n"
" .macro itttt, cond\n"
" .endm\n"
" .macro ittte, cond\n"
" .endm\n"
" .macro ittet, cond\n"
" .endm\n"
" .macro ittee, cond\n"
" .endm\n"
" .macro itett, cond\n"
" .endm\n"
" .macro itete, cond\n"
" .endm\n"
" .macro iteet, cond\n"
" .endm\n"
" .macro iteee, cond\n"
" .endm\n");
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_ARM_ASM_UNIFIED */
#endif /* !__ASM_UNIFIED_H */