diff options
Diffstat (limited to 'arch/mips/include/asm/llsc.h')
| -rw-r--r-- | arch/mips/include/asm/llsc.h | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/arch/mips/include/asm/llsc.h b/arch/mips/include/asm/llsc.h deleted file mode 100644 index ec09fe5d6d6c..000000000000 --- a/arch/mips/include/asm/llsc.h +++ /dev/null @@ -1,39 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Macros for 32/64-bit neutral inline assembler - */ - -#ifndef __ASM_LLSC_H -#define __ASM_LLSC_H - -#include <asm/isa-rev.h> - -#if _MIPS_SZLONG == 32 -#define __LL "ll " -#define __SC "sc " -#define __INS "ins " -#define __EXT "ext " -#elif _MIPS_SZLONG == 64 -#define __LL "lld " -#define __SC "scd " -#define __INS "dins " -#define __EXT "dext " -#endif - -/* - * Using a branch-likely instruction to check the result of an sc instruction - * works around a bug present in R10000 CPUs prior to revision 3.0 that could - * cause ll-sc sequences to execute non-atomically. - */ -#ifdef CONFIG_WAR_R10000_LLSC -# define __SC_BEQZ "beqzl " -#elif MIPS_ISA_REV >= 6 -# define __SC_BEQZ "beqzc " -#else -# define __SC_BEQZ "beqz " -#endif - -#endif /* __ASM_LLSC_H */ |