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Add definitions for the FPU extended state header, legacy extended

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state and AVX state.

MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2012-01-17 17:07:13 +00:00
parent e568229f50
commit 6db9cf559f
2 changed files with 49 additions and 0 deletions
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22
sys/amd64/include/fpu.h
View file

@ -78,6 +78,28 @@ struct savefpu {
uint8_t sv_pad[96];
} __aligned(16);
struct xstate_hdr {
uint64_t xstate_bv;
uint8_t xstate_rsrv0[16];
uint8_t xstate_rsrv[40];
};
struct savefpu_xstate {
struct xstate_hdr sx_hd;
struct ymmacc sx_ymm[16];
};
struct savefpu_ymm {
struct envxmm sv_env;
struct {
struct fpacc87 fp_acc;
int8_t fp_pad[6]; /* padding */
} sv_fp[8];
struct xmmacc sv_xmm[16];
uint8_t sv_pad[96];
struct savefpu_xstate sv_xstate;
} __aligned(64);
#ifdef _KERNEL
struct fpu_kern_ctx {
struct savefpu hwstate;

27
sys/i386/include/npx.h
View file

@ -101,6 +101,11 @@ struct xmmacc {
u_char xmm_bytes[16];
};
/* Contents of the upper 16 bytes of each AVX extended accumulator */
struct ymmacc {
uint8_t ymm_bytes[16];
};
struct savexmm {
struct envxmm sv_env;
struct {
@ -116,6 +121,28 @@ union savefpu {
struct savexmm sv_xmm;
};
struct xstate_hdr {
uint64_t xstate_bv;
uint8_t xstate_rsrv0[16];
uint8_t xstate_rsrv[40];
};
struct savexmm_xstate {
struct xstate_hdr sx_hd;
struct ymmacc sx_ymm[16];
};
struct savexmm_ymm {
struct envxmm sv_env;
struct {
struct fpacc87 fp_acc;
int8_t fp_pad[6]; /* padding */
} sv_fp[8];
struct xmmacc sv_xmm[16];
uint8_t sv_pad[96];
struct savexmm_xstate sv_xstate;
} __aligned(64);
/*
* The hardware default control word for i387's and later coprocessors is
* 0x37F, giving: