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| author | Avi Kivity | 2013-02-09 10:31:47 +0100 |
|---|---|---|
| committer | Gleb Natapov | 2013-05-21 14:43:19 +0200 |
| commit | 017da7b604cf1982c35162c29895fba842282e11 (patch) | |
| tree | 685218ed0edea0b7c8ad71bc400c7441086dbb88 /arch/x86/kvm/emulate.c | |
| parent | KVM: x86 emulator: switch MUL/DIV to DstXacc (diff) | |
| download | kernel-qcow2-linux-017da7b604cf1982c35162c29895fba842282e11.tar.gz kernel-qcow2-linux-017da7b604cf1982c35162c29895fba842282e11.tar.xz kernel-qcow2-linux-017da7b604cf1982c35162c29895fba842282e11.zip | |
KVM: x86 emulator: Switch fastop src operand to RDX
This makes OpAccHi useful.
Signed-off-by: Avi Kivity <avi.kivity@gmail.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'arch/x86/kvm/emulate.c')
| -rw-r--r-- | arch/x86/kvm/emulate.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index b9fb89b4ee26..b899d2418c19 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -179,8 +179,8 @@ /* * fastop functions have a special calling convention: * - * dst: [rdx]:rax (in/out) - * src: rbx (in/out) + * dst: rax (in/out) + * src: rdx (in/out) * src2: rcx (in) * flags: rflags (in/out) * @@ -485,19 +485,19 @@ static int fastop(struct x86_emulate_ctxt *ctxt, void (*fop)(struct fastop *)); #define FASTOP2(op) \ FOP_START(op) \ - FOP2E(op##b, al, bl) \ - FOP2E(op##w, ax, bx) \ - FOP2E(op##l, eax, ebx) \ - ON64(FOP2E(op##q, rax, rbx)) \ + FOP2E(op##b, al, dl) \ + FOP2E(op##w, ax, dx) \ + FOP2E(op##l, eax, edx) \ + ON64(FOP2E(op##q, rax, rdx)) \ FOP_END /* 2 operand, word only */ #define FASTOP2W(op) \ FOP_START(op) \ FOPNOP() \ - FOP2E(op##w, ax, bx) \ - FOP2E(op##l, eax, ebx) \ - ON64(FOP2E(op##q, rax, rbx)) \ + FOP2E(op##w, ax, dx) \ + FOP2E(op##l, eax, edx) \ + ON64(FOP2E(op##q, rax, rdx)) \ FOP_END /* 2 operand, src is CL */ @@ -516,9 +516,9 @@ static int fastop(struct x86_emulate_ctxt *ctxt, void (*fop)(struct fastop *)); #define FASTOP3WCL(op) \ FOP_START(op) \ FOPNOP() \ - FOP3E(op##w, ax, bx, cl) \ - FOP3E(op##l, eax, ebx, cl) \ - ON64(FOP3E(op##q, rax, rbx, cl)) \ + FOP3E(op##w, ax, dx, cl) \ + FOP3E(op##l, eax, edx, cl) \ + ON64(FOP3E(op##q, rax, rdx, cl)) \ FOP_END /* Special case for SETcc - 1 instruction per cc */ @@ -4574,7 +4574,7 @@ static int fastop(struct x86_emulate_ctxt *ctxt, void (*fop)(struct fastop *)) ulong flags = (ctxt->eflags & EFLAGS_MASK) | X86_EFLAGS_IF; fop += __ffs(ctxt->dst.bytes) * FASTOP_SIZE; asm("push %[flags]; popf; call *%[fastop]; pushf; pop %[flags]\n" - : "+a"(ctxt->dst.val), "+b"(ctxt->src.val), [flags]"+D"(flags) + : "+a"(ctxt->dst.val), "+d"(ctxt->src.val), [flags]"+D"(flags) : "c"(ctxt->src2.val), [fastop]"S"(fop)); ctxt->eflags = (ctxt->eflags & ~EFLAGS_MASK) | (flags & EFLAGS_MASK); return X86EMUL_CONTINUE; |