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| author | Michael Neuling <mikey@neuling.org> | 2008-06-25 06:07:18 +0200 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-07-01 03:28:48 +0200 |
| commit | 72ffff5b1792b0fa4d40a8e2f3276fff999820ec (patch) | |
| tree | 50dbf11b043350b98fcccd9f838b0f31f49997a5 /arch/powerpc | |
| parent | powerpc: Add VSX CPU feature (diff) | |
| download | linux-72ffff5b1792b0fa4d40a8e2f3276fff999820ec.tar.xz linux-72ffff5b1792b0fa4d40a8e2f3276fff999820ec.zip | |
powerpc: Add VSX assembler code macros
This adds the macros for the VSX load/store instruction as most
binutils are not going to support this for a while.
Also add VSX register save/restore macros and vsr[0-63] register definitions.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/fpu.S | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S index 8a2b3d62b9b8..15247fe171a8 100644 --- a/arch/powerpc/kernel/fpu.S +++ b/arch/powerpc/kernel/fpu.S @@ -24,6 +24,29 @@ #include <asm/ppc_asm.h> #include <asm/asm-offsets.h> +#ifdef CONFIG_VSX +#define REST_32FPVSRS(n,c,base) \ +BEGIN_FTR_SECTION \ + b 2f; \ +END_FTR_SECTION_IFSET(CPU_FTR_VSX); \ + REST_32FPRS(n,base); \ + b 3f; \ +2: REST_32VSRS(n,c,base); \ +3: + +#define SAVE_32FPVSRS(n,c,base) \ +BEGIN_FTR_SECTION \ + b 2f; \ +END_FTR_SECTION_IFSET(CPU_FTR_VSX); \ + SAVE_32FPRS(n,base); \ + b 3f; \ +2: SAVE_32VSRS(n,c,base); \ +3: +#else +#define REST_32FPVSRS(n,b,base) REST_32FPRS(n, base) +#define SAVE_32FPVSRS(n,b,base) SAVE_32FPRS(n, base) +#endif + /* * This task wants to use the FPU now. * On UP, disable FP for the task which had the FPU previously, |