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authorSheng Yang <sheng@linux.intel.com>2010-05-17 17:22:23 +0800
committerAvi Kivity <avi@redhat.com>2010-08-01 10:35:48 +0300
commit5ee481da7b62a992b91f958bf26aaaa92354c170 (patch)
treece62d6a6618d686ee793c5ea9a64e755300144e0 /arch/x86/include
parent93736624635235cc5372ffca6d62816d02170724 (diff)
x86: Export FPU API for KVM use
Also add some constants. Signed-off-by: Sheng Yang <sheng@linux.intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/i387.h2
-rw-r--r--arch/x86/include/asm/xsave.h3
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/i387.h b/arch/x86/include/asm/i387.h
index c991b3a7b90..815c5b2b9f5 100644
--- a/arch/x86/include/asm/i387.h
+++ b/arch/x86/include/asm/i387.h
@@ -482,6 +482,8 @@ static inline void fpu_copy(struct fpu *dst, struct fpu *src)
memcpy(dst->state, src->state, xstate_size);
}
+extern void fpu_finit(struct fpu *fpu);
+
#endif /* __ASSEMBLY__ */
#define PSHUFB_XMM5_XMM0 .byte 0x66, 0x0f, 0x38, 0x00, 0xc5
diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h
index 2c4390cae22..29ee4e4c64c 100644
--- a/arch/x86/include/asm/xsave.h
+++ b/arch/x86/include/asm/xsave.h
@@ -13,6 +13,9 @@
#define FXSAVE_SIZE 512
+#define XSTATE_YMM_SIZE 256
+#define XSTATE_YMM_OFFSET (512 + 64)
+
/*
* These are the features that the OS can handle currently.
*/