diff options
Diffstat (limited to 'arch/powerpc/include/asm/ppc_asm.h')
| -rw-r--r-- | arch/powerpc/include/asm/ppc_asm.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index d2f44612f4b0..5f05a984b103 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -181,6 +181,15 @@ #ifdef __KERNEL__ /* + * Used to name C functions called from asm + */ +#ifdef CONFIG_PPC_KERNEL_PCREL +#define CFUNC(name) name@notoc +#else +#define CFUNC(name) name +#endif + +/* * We use __powerpc64__ here because we want the compat VDSO to use the 32-bit * version below in the else case of the ifdef. */ @@ -207,6 +216,9 @@ .globl name; \ name: +#ifdef CONFIG_PPC_KERNEL_PCREL +#define _GLOBAL_TOC _GLOBAL +#else #define _GLOBAL_TOC(name) \ .align 2 ; \ .type name,@function; \ @@ -215,6 +227,7 @@ name: \ 0: addis r2,r12,(.TOC.-0b)@ha; \ addi r2,r2,(.TOC.-0b)@l; \ .localentry name,.-name +#endif #define DOTSYM(a) a @@ -346,8 +359,13 @@ n: #ifdef __powerpc64__ +#ifdef CONFIG_PPC_KERNEL_PCREL +#define __LOAD_PACA_TOC(reg) \ + li reg,-1 +#else #define __LOAD_PACA_TOC(reg) \ ld reg,PACATOC(r13) +#endif #define LOAD_PACA_TOC() \ __LOAD_PACA_TOC(r2) @@ -361,9 +379,15 @@ n: ori reg, reg, (expr)@l; \ rldimi reg, tmp, 32, 0 +#ifdef CONFIG_PPC_KERNEL_PCREL +#define LOAD_REG_ADDR(reg,name) \ + pla reg,name@pcrel + +#else #define LOAD_REG_ADDR(reg,name) \ addis reg,r2,name@toc@ha; \ addi reg,reg,name@toc@l +#endif #ifdef CONFIG_PPC_BOOK3E_64 /* @@ -837,4 +861,12 @@ END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96) #define BTB_FLUSH(reg) #endif /* CONFIG_PPC_E500 */ +#if defined(CONFIG_PPC64_ELF_ABI_V1) +#define STACK_FRAME_PARAMS 48 +#elif defined(CONFIG_PPC64_ELF_ABI_V2) +#define STACK_FRAME_PARAMS 32 +#elif defined(CONFIG_PPC32) +#define STACK_FRAME_PARAMS 8 +#endif + #endif /* _ASM_POWERPC_PPC_ASM_H */ |