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| author | kfraser@localhost.localdomain <kfraser@localhost.localdomain> | 2006-10-17 18:50:08 +0100 |
|---|---|---|
| committer | kfraser@localhost.localdomain <kfraser@localhost.localdomain> | 2006-10-17 18:50:08 +0100 |
| commit | 1943191f67703b7fe41838cd2b40e061cfab8541 (patch) | |
| tree | cb42310e7eae797e21f21e35c4c7cf2274181798 /xen/arch/x86/i387.c | |
| parent | aeeadb072638ad88c0c2d655d85ec8c64b62d1b8 (diff) | |
| download | xen-1943191f67703b7fe41838cd2b40e061cfab8541.tar.gz xen-1943191f67703b7fe41838cd2b40e061cfab8541.tar.bz2 xen-1943191f67703b7fe41838cd2b40e061cfab8541.zip | |
Define REX64_PREFIX to account for assembler syntax differences on SVR4 targets.
Signed-off-by: John Levon <john.levon@sun.com>
Diffstat (limited to 'xen/arch/x86/i387.c')
| -rw-r--r-- | xen/arch/x86/i387.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/xen/arch/x86/i387.c b/xen/arch/x86/i387.c index ebfc37fa7b..899f80da3b 100644 --- a/xen/arch/x86/i387.c +++ b/xen/arch/x86/i387.c @@ -14,6 +14,7 @@ #include <asm/processor.h> #include <asm/hvm/support.h> #include <asm/i387.h> +#include <asm/asm_defns.h> void init_fpu(void) { @@ -41,11 +42,11 @@ void save_init_fpu(struct vcpu *v) #else /* __x86_64__ */ /* * The only way to force fxsaveq on a wide range of gas versions. On - * older versions the rex64 prefix works only if we force an addressing - * mode that doesn't require extended registers. + * older versions the rex64 prefix works only if we force an + * addressing mode that doesn't require extended registers. */ __asm__ __volatile__ ( - "rex64/fxsave (%1)" + REX64_PREFIX "fxsave (%1)" : "=m" (*fpu_ctxt) : "cdaSDb" (fpu_ctxt) ); #endif @@ -95,7 +96,7 @@ void restore_fpu(struct vcpu *v) "1: fxrstor %0 \n" #else /* __x86_64__ */ /* See above for why the operands/constraints are this way. */ - "1: rex64/fxrstor (%2) \n" + "1: " REX64_PREFIX "fxrstor (%2)\n" #endif ".section .fixup,\"ax\" \n" "2: push %%"__OP"ax \n" |