diff options
| author | Michael Neuling <mikey@neuling.org> | 2008-06-26 17:07:48 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-07-01 11:28:43 +1000 |
| commit | 9c75a31c3525a127f70b919856e32be3d8b03755 (patch) | |
| tree | 3beee76d3dd4a55af868b5edfbef80c911819fed /include/asm-powerpc | |
| parent | 9e7511861c4f8d35852a3721c5bcd92661cb4c9f (diff) | |
powerpc: Add macros to access floating point registers in thread_struct.
We are going to change where the floating point registers are stored
in the thread_struct, so in preparation add some macros to access the
floating point registers. Update all code to use these new macros.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/ppc_asm.h | 5 | ||||
| -rw-r--r-- | include/asm-powerpc/processor.h | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/include/asm-powerpc/ppc_asm.h b/include/asm-powerpc/ppc_asm.h index ef96bfd4ef4..8f0426f973c 100644 --- a/include/asm-powerpc/ppc_asm.h +++ b/include/asm-powerpc/ppc_asm.h @@ -6,6 +6,7 @@ #include <linux/stringify.h> #include <asm/asm-compat.h> +#include <asm/processor.h> #ifndef __ASSEMBLY__ #error __FILE__ should only be used in assembler files @@ -83,13 +84,13 @@ END_FTR_SECTION_IFCLR(CPU_FTR_PURR); \ #define REST_8GPRS(n, base) REST_4GPRS(n, base); REST_4GPRS(n+4, base) #define REST_10GPRS(n, base) REST_8GPRS(n, base); REST_2GPRS(n+8, base) -#define SAVE_FPR(n, base) stfd n,THREAD_FPR0+8*(n)(base) +#define SAVE_FPR(n, base) stfd n,THREAD_FPR0+8*TS_FPRWIDTH*(n)(base) #define SAVE_2FPRS(n, base) SAVE_FPR(n, base); SAVE_FPR(n+1, base) #define SAVE_4FPRS(n, base) SAVE_2FPRS(n, base); SAVE_2FPRS(n+2, base) #define SAVE_8FPRS(n, base) SAVE_4FPRS(n, base); SAVE_4FPRS(n+4, base) #define SAVE_16FPRS(n, base) SAVE_8FPRS(n, base); SAVE_8FPRS(n+8, base) #define SAVE_32FPRS(n, base) SAVE_16FPRS(n, base); SAVE_16FPRS(n+16, base) -#define REST_FPR(n, base) lfd n,THREAD_FPR0+8*(n)(base) +#define REST_FPR(n, base) lfd n,THREAD_FPR0+8*TS_FPRWIDTH*(n)(base) #define REST_2FPRS(n, base) REST_FPR(n, base); REST_FPR(n+1, base) #define REST_4FPRS(n, base) REST_2FPRS(n, base); REST_2FPRS(n+2, base) #define REST_8FPRS(n, base) REST_4FPRS(n, base); REST_4FPRS(n+4, base) diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h index a1deed85f31..a23da6356e0 100644 --- a/include/asm-powerpc/processor.h +++ b/include/asm-powerpc/processor.h @@ -12,6 +12,8 @@ #include <asm/reg.h> +#define TS_FPRWIDTH 1 + #ifndef __ASSEMBLY__ #include <linux/compiler.h> #include <asm/ptrace.h> @@ -140,6 +142,8 @@ typedef struct { unsigned long seg; } mm_segment_t; +#define TS_FPR(i) fpr[i] + struct thread_struct { unsigned long ksp; /* Kernel stack pointer */ unsigned long ksp_limit; /* if ksp <= ksp_limit stack overflow */ |