diff options
| author | Avi Kivity <avi@redhat.com> | 2012-09-16 15:10:59 +0300 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2012-09-17 10:38:05 -0300 |
| commit | 7454766f7bead388251aedee35a478356a7f4e72 (patch) | |
| tree | 7d06cebf2c67d0a84d9204f9b03733f54548ba22 /arch/x86/kvm/svm.c | |
| parent | b188c81f2e1a188ddda6a3d353e5b546c30a9b90 (diff) | |
KVM: SVM: Make use of asm.h
Use macros for bitness-insensitive register names, instead of
rolling our own.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm.c | 46 |
1 files changed, 20 insertions, 26 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 611c72875fb..818fceb3091 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3782,12 +3782,6 @@ static void svm_cancel_injection(struct kvm_vcpu *vcpu) svm_complete_interrupts(svm); } -#ifdef CONFIG_X86_64 -#define R "r" -#else -#define R "e" -#endif - static void svm_vcpu_run(struct kvm_vcpu *vcpu) { struct vcpu_svm *svm = to_svm(vcpu); @@ -3814,13 +3808,13 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) local_irq_enable(); asm volatile ( - "push %%"R"bp; \n\t" - "mov %c[rbx](%[svm]), %%"R"bx \n\t" - "mov %c[rcx](%[svm]), %%"R"cx \n\t" - "mov %c[rdx](%[svm]), %%"R"dx \n\t" - "mov %c[rsi](%[svm]), %%"R"si \n\t" - "mov %c[rdi](%[svm]), %%"R"di \n\t" - "mov %c[rbp](%[svm]), %%"R"bp \n\t" + "push %%" _ASM_BP "; \n\t" + "mov %c[rbx](%[svm]), %%" _ASM_BX " \n\t" + "mov %c[rcx](%[svm]), %%" _ASM_CX " \n\t" + "mov %c[rdx](%[svm]), %%" _ASM_DX " \n\t" + "mov %c[rsi](%[svm]), %%" _ASM_SI " \n\t" + "mov %c[rdi](%[svm]), %%" _ASM_DI " \n\t" + "mov %c[rbp](%[svm]), %%" _ASM_BP " \n\t" #ifdef CONFIG_X86_64 "mov %c[r8](%[svm]), %%r8 \n\t" "mov %c[r9](%[svm]), %%r9 \n\t" @@ -3833,20 +3827,20 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) #endif /* Enter guest mode */ - "push %%"R"ax \n\t" - "mov %c[vmcb](%[svm]), %%"R"ax \n\t" + "push %%" _ASM_AX " \n\t" + "mov %c[vmcb](%[svm]), %%" _ASM_AX " \n\t" __ex(SVM_VMLOAD) "\n\t" __ex(SVM_VMRUN) "\n\t" __ex(SVM_VMSAVE) "\n\t" - "pop %%"R"ax \n\t" + "pop %%" _ASM_AX " \n\t" /* Save guest registers, load host registers */ - "mov %%"R"bx, %c[rbx](%[svm]) \n\t" - "mov %%"R"cx, %c[rcx](%[svm]) \n\t" - "mov %%"R"dx, %c[rdx](%[svm]) \n\t" - "mov %%"R"si, %c[rsi](%[svm]) \n\t" - "mov %%"R"di, %c[rdi](%[svm]) \n\t" - "mov %%"R"bp, %c[rbp](%[svm]) \n\t" + "mov %%" _ASM_BX ", %c[rbx](%[svm]) \n\t" + "mov %%" _ASM_CX ", %c[rcx](%[svm]) \n\t" + "mov %%" _ASM_DX ", %c[rdx](%[svm]) \n\t" + "mov %%" _ASM_SI ", %c[rsi](%[svm]) \n\t" + "mov %%" _ASM_DI ", %c[rdi](%[svm]) \n\t" + "mov %%" _ASM_BP ", %c[rbp](%[svm]) \n\t" #ifdef CONFIG_X86_64 "mov %%r8, %c[r8](%[svm]) \n\t" "mov %%r9, %c[r9](%[svm]) \n\t" @@ -3857,7 +3851,7 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) "mov %%r14, %c[r14](%[svm]) \n\t" "mov %%r15, %c[r15](%[svm]) \n\t" #endif - "pop %%"R"bp" + "pop %%" _ASM_BP : : [svm]"a"(svm), [vmcb]"i"(offsetof(struct vcpu_svm, vmcb_pa)), @@ -3878,9 +3872,11 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) [r15]"i"(offsetof(struct vcpu_svm, vcpu.arch.regs[VCPU_REGS_R15])) #endif : "cc", "memory" - , R"bx", R"cx", R"dx", R"si", R"di" #ifdef CONFIG_X86_64 + , "rbx", "rcx", "rdx", "rsi", "rdi" , "r8", "r9", "r10", "r11" , "r12", "r13", "r14", "r15" +#else + , "ebx", "ecx", "edx", "esi", "edi" #endif ); @@ -3940,8 +3936,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) mark_all_clean(svm->vmcb); } -#undef R - static void svm_set_cr3(struct kvm_vcpu *vcpu, unsigned long root) { struct vcpu_svm *svm = to_svm(vcpu); |