| commit | 0f669cd1fb7fc97d8792a44e68cc47b38b5a668e | |
| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | |
| Mon, 22 May 2006 15:47:41 +0000 (23 00:47 +0900) | ||
| committer | Ralf Baechle <ralf@linux-mips.org> | |
| Tue, 6 Jun 2006 16:35:28 +0000 (6 17:35 +0100) | ||
| tree | 1b2000e96323026f25c240e6fddde6d26967d9d1 | treesnapshot (tar.gz zip) |
| parent | 6c6857744d65a86eec2c6661f368c84f80efd5bf | commitdiff |
[MIPS] Fix fpu_save_double on 64-bit.
> Without this fix, _save_fp() in 64-bit kernel is seriously broken.
>
> ffffffff8010bec0 <_save_fp>:
> ffffffff8010bec0: 400d6000 mfc0 t1,c0_status
> ffffffff8010bec4: 000c7140 sll t2,t0,0x5
> ffffffff8010bec8: 05c10011 bgez t2,ffffffff8010bf10 <_save_fp+0x50>
> ffffffff8010becc: 00000000 nop
> ffffffff8010bed0: f4810328 sdc1 $f1,808(a0)
> ...
Fix register usage in fpu_save_double() and make fpu_restore_double()
more symmetric with fpu_save_double().
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
> Without this fix, _save_fp() in 64-bit kernel is seriously broken.
>
> ffffffff8010bec0 <_save_fp>:
> ffffffff8010bec0: 400d6000 mfc0 t1,c0_status
> ffffffff8010bec4: 000c7140 sll t2,t0,0x5
> ffffffff8010bec8: 05c10011 bgez t2,ffffffff8010bf10 <_save_fp+0x50>
> ffffffff8010becc: 00000000 nop
> ffffffff8010bed0: f4810328 sdc1 $f1,808(a0)
> ...
Fix register usage in fpu_save_double() and make fpu_restore_double()
more symmetric with fpu_save_double().
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| arch/mips/kernel/r4k_switch.S | diffblobblamehistory | |
| include/asm-mips/asmmacro-32.h | diffblobblamehistory | |
| include/asm-mips/asmmacro-64.h | diffblobblamehistory |