diff options
| author | Sigrid <ftrvxmtrx@gmail.com> | 2020-12-06 18:48:32 +0100 |
|---|---|---|
| committer | Sigrid <ftrvxmtrx@gmail.com> | 2020-12-06 18:48:32 +0100 |
| commit | 66b6185845e85258f1408271d5f705aacfa6ffdb (patch) | |
| tree | 3229e05ec37577d706d3d1efe9732244c55a92fc /sys/src/9/pc64/dat.h | |
| parent | 753a35b52ac098985aff5e22a069d30d16903385 (diff) | |
amd64, vmx: support avx/avx2 for host/guest; use *noavx= in plan9.ini to disable
Diffstat (limited to 'sys/src/9/pc64/dat.h')
| -rw-r--r-- | sys/src/9/pc64/dat.h | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/sys/src/9/pc64/dat.h b/sys/src/9/pc64/dat.h index 84efe9a2c..7cfc6e5c2 100644 --- a/sys/src/9/pc64/dat.h +++ b/sys/src/9/pc64/dat.h @@ -2,6 +2,8 @@ typedef struct BIOS32si BIOS32si; typedef struct BIOS32ci BIOS32ci; typedef struct Conf Conf; typedef struct Confmem Confmem; +typedef struct FPssestate FPssestate; +typedef struct FPavxstate FPavxstate; typedef struct FPsave FPsave; typedef struct PFPU PFPU; typedef struct ISAConf ISAConf; @@ -49,7 +51,7 @@ struct Label uintptr pc; }; -struct FPsave +struct FPssestate { u16int fcw; /* x87 control word */ u16int fsw; /* x87 status word */ @@ -65,6 +67,18 @@ struct FPsave uchar ign[96]; /* reserved, ignored */ }; +struct FPavxstate +{ + FPssestate; + uchar header[64]; /* XSAVE header */ + uchar ymm[256]; /* upper 128-bit regs (AVX) */ +}; + +struct FPsave +{ + FPavxstate; +}; + enum { /* this is a state */ @@ -224,9 +238,12 @@ struct Mach int havewatchpt8; int havenx; uvlong tscticks; - + u64int dr7; /* shadow copy of dr7 */ - + u64int xcr0; + u32int fpsavesz; + u32int fpalign; + void* vmx; uintptr stack[1]; @@ -270,8 +287,14 @@ struct PCArch /* cpuid instruction result register bits */ enum { + /* ax */ + Xsaveopt = 1<<0, + Xsaves = 1<<3, + /* cx */ Monitor = 1<<3, + Xsave = 1<<26, + Avx = 1<<28, /* dx */ Fpuonchip = 1<<0, |