diff options
| author | Anton Blanchard <anton@samba.org> | 2006-06-10 20:18:39 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-06-15 19:31:25 +1000 |
| commit | 3a2c48cfc97f9046abbd810f1efb1aa824bcfaf1 (patch) | |
| tree | afcd54f2ad36353abcf2282fdf15a05e77fcba4a /arch/powerpc/kernel/vector.S | |
| parent | 30d8caf7c625203b295a78f143820cdc3124830b (diff) | |
| download | op-kernel-dev-3a2c48cfc97f9046abbd810f1efb1aa824bcfaf1.zip op-kernel-dev-3a2c48cfc97f9046abbd810f1efb1aa824bcfaf1.tar.gz | |
[POWERPC] 64bit FPSCR support
Forthcoming machines will extend the FPSCR to 64 bits. We already
had a 64-bit save area for the FPSCR, but we need to use a new form
of the mtfsf instruction. Fortunately this new form is decoded as
an ordinary mtfsf by existing 64-bit processors.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/vector.S')
| -rw-r--r-- | arch/powerpc/kernel/vector.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/vector.S b/arch/powerpc/kernel/vector.S index 66b3d03..9416b4a 100644 --- a/arch/powerpc/kernel/vector.S +++ b/arch/powerpc/kernel/vector.S @@ -53,12 +53,12 @@ fpenable: stfd fr31,8(r1) LDCONST(fr1, fpzero) mffs fr31 - mtfsf 0xff,fr1 + MTFSF_L(fr1) blr fpdisable: mtlr r12 - mtfsf 0xff,fr31 + MTFSF_L(fr31) lfd fr31,8(r1) lfd fr1,16(r1) lfd fr0,24(r1) |
