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| author | das <das@FreeBSD.org> | 2004-06-06 09:16:02 +0000 |
|---|---|---|
| committer | das <das@FreeBSD.org> | 2004-06-06 09:16:02 +0000 |
| commit | 51a41f503fced5d9979f081e6b9fee419291a124 (patch) | |
| tree | 82d51a8a105cb2e4ef639d94a940f8447f1991b0 /sys/amd64 | |
| parent | 10d56ec8c299cb08944134aa4cfd37b30f4dce6b (diff) | |
| download | FreeBSD-src-51a41f503fced5d9979f081e6b9fee419291a124.zip FreeBSD-src-51a41f503fced5d9979f081e6b9fee419291a124.tar.gz | |
Back out revision 1.150, since dwmalone reports that it causes a panic
upon startup on his machine.
Diffstat (limited to 'sys/amd64')
| -rw-r--r-- | sys/amd64/amd64/fpu.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/sys/amd64/amd64/fpu.c b/sys/amd64/amd64/fpu.c index d002ef0..34af7ae 100644 --- a/sys/amd64/amd64/fpu.c +++ b/sys/amd64/amd64/fpu.c @@ -73,7 +73,6 @@ __FBSDID("$FreeBSD$"); #define fnstsw(addr) __asm __volatile("fnstsw %0" : "=m" (*(addr))) #define fxrstor(addr) __asm("fxrstor %0" : : "m" (*(addr))) #define fxsave(addr) __asm __volatile("fxsave %0" : "=m" (*(addr))) -#define ldmxcsr(r) __asm __volatile("ldmxcsr %0" : : "m" (r)) #define start_emulating() __asm("smsw %%ax; orb %0,%%al; lmsw %%ax" \ : : "n" (CR0_TS) : "ax") #define stop_emulating() __asm("clts") @@ -112,7 +111,6 @@ void fpuinit(void) { register_t savecrit; - u_int mxcsr; u_short control; savecrit = intr_disable(); @@ -121,8 +119,6 @@ fpuinit(void) fninit(); control = __INITIAL_FPUCW__; fldcw(&control); - mxcsr = __INITIAL_MXCSR__; - ldmxcsr(mxcsr); fxsave(&fpu_cleanstate); start_emulating(); fpu_cleanstate_ready = 1; |
