debuggers.hg

changeset 22670:26e7e6c6ff7f

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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>
author Keir Fraser <keir@xen.org>
date Fri Dec 24 08:38:22 2010 +0000 (2010-12-24)
parents a71729704d4b
children 920826e80bee
files xen/include/asm-x86/i387.h
line diff
     1.1 --- a/xen/include/asm-x86/i387.h	Fri Dec 24 08:37:34 2010 +0000
     1.2 +++ b/xen/include/asm-x86/i387.h	Fri Dec 24 08:38:22 2010 +0000
     1.3 @@ -22,11 +22,12 @@ void xsave_init(void);
     1.4  int xsave_alloc_save_area(struct vcpu *v);
     1.5  void xsave_free_save_area(struct vcpu *v);
     1.6  
     1.7 -#define XSTATE_FP       (1 << 0)
     1.8 -#define XSTATE_SSE      (1 << 1)
     1.9 -#define XSTATE_YMM      (1 << 2)
    1.10 +#define XSTATE_FP       (1ULL << 0)
    1.11 +#define XSTATE_SSE      (1ULL << 1)
    1.12 +#define XSTATE_YMM      (1ULL << 2)
    1.13 +#define XSTATE_LWP      (1ULL << 62) /* AMD lightweight profiling */
    1.14  #define XSTATE_FP_SSE   (XSTATE_FP | XSTATE_SSE)
    1.15 -#define XCNTXT_MASK     (XSTATE_FP | XSTATE_SSE | XSTATE_YMM)
    1.16 +#define XCNTXT_MASK     (XSTATE_FP | XSTATE_SSE | XSTATE_YMM | XSTATE_LWP)
    1.17  #define XSTATE_YMM_OFFSET  (512 + 64)
    1.18  #define XSTATE_YMM_SIZE    256
    1.19  #define XSAVEOPT        (1 << 0)