diff options
| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2014-05-11 05:59:10 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2014-05-11 05:59:10 +0200 |
| commit | a9155014c064a6a58568d355194acf416ca8efe2 (patch) | |
| tree | 64d9fb64d479963005e9fe3f76dea4edb6b7f128 /sys/src/9/pc/devarch.c | |
| parent | edca217bb99f7c32413c117239d12acdc223e811 (diff) | |
pc, pc64: handle sse simd exceptions
Diffstat (limited to 'sys/src/9/pc/devarch.c')
| -rw-r--r-- | sys/src/9/pc/devarch.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/src/9/pc/devarch.c b/sys/src/9/pc/devarch.c index 4c1ecb691..71c59ffff 100644 --- a/sys/src/9/pc/devarch.c +++ b/sys/src/9/pc/devarch.c @@ -41,6 +41,7 @@ enum { enum { CR4Osfxsr = 1 << 9, + CR4Oxmmex = 1 << 10, }; enum { /* cpuid standard function codes */ @@ -860,7 +861,7 @@ cpuidentify(void) if(m->cpuiddx & Fxsr){ /* have sse fp? */ fpsave = fpssesave; fprestore = fpsserestore; - putcr4(getcr4() | CR4Osfxsr); + putcr4(getcr4() | CR4Osfxsr|CR4Oxmmex); } else { fpsave = fpx87save; fprestore = fpx87restore; |