diff options
| author | Keir Fraser <keir@xen.org> | 2010-12-24 08:38:22 +0000 |
|---|---|---|
| committer | Keir Fraser <keir@xen.org> | 2010-12-24 08:38:22 +0000 |
| commit | 96727f714845b5c2ea034860f3773e46612adc39 (patch) | |
| tree | 9489c1aa56e0bfc5825dc560f4613983e9c9610d /xen/include/asm-x86/i387.h | |
| parent | 40aca4eccbd7158b99e3270b662c0b8c0b2e7ee3 (diff) | |
| download | xen-96727f714845b5c2ea034860f3773e46612adc39.tar.gz xen-96727f714845b5c2ea034860f3773e46612adc39.tar.bz2 xen-96727f714845b5c2ea034860f3773e46612adc39.zip | |
x86 xsave: Enable xsave_feature[62] (AMD Lightweight Profiling)
The spec of LWP is available at
http://developer.amd.com/cpu/lwp/Pages/default.aspx.
Signed-off-by: Wei Huang <wei.huang2@amd.com>
Diffstat (limited to 'xen/include/asm-x86/i387.h')
| -rw-r--r-- | xen/include/asm-x86/i387.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/xen/include/asm-x86/i387.h b/xen/include/asm-x86/i387.h index 471747c7c4..4cb67d482c 100644 --- a/xen/include/asm-x86/i387.h +++ b/xen/include/asm-x86/i387.h @@ -22,11 +22,12 @@ void xsave_init(void); int xsave_alloc_save_area(struct vcpu *v); void xsave_free_save_area(struct vcpu *v); -#define XSTATE_FP (1 << 0) -#define XSTATE_SSE (1 << 1) -#define XSTATE_YMM (1 << 2) +#define XSTATE_FP (1ULL << 0) +#define XSTATE_SSE (1ULL << 1) +#define XSTATE_YMM (1ULL << 2) +#define XSTATE_LWP (1ULL << 62) /* AMD lightweight profiling */ #define XSTATE_FP_SSE (XSTATE_FP | XSTATE_SSE) -#define XCNTXT_MASK (XSTATE_FP | XSTATE_SSE | XSTATE_YMM) +#define XCNTXT_MASK (XSTATE_FP | XSTATE_SSE | XSTATE_YMM | XSTATE_LWP) #define XSTATE_YMM_OFFSET (512 + 64) #define XSTATE_YMM_SIZE 256 #define XSAVEOPT (1 << 0) |