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| author | Avi Kivity <avi@redhat.com> | 2011-09-07 16:41:38 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-09-25 19:52:35 +0300 |
| commit | d1eef45d5906a0738684833cf1e0395b4d098340 (patch) | |
| tree | dccd1c94e7007b87b1d42b94a57f4efc659e8723 /arch/x86 | |
| parent | 29053a60d791a492b4609d87397b70a7a3254eb2 (diff) | |
| download | op-kernel-dev-d1eef45d5906a0738684833cf1e0395b4d098340.zip op-kernel-dev-d1eef45d5906a0738684833cf1e0395b4d098340.tar.gz | |
KVM: x86 emulator: simplify emulate_1op()
emulate_1op() is always called with the same parameters. Simplify
by passing just the emulation context.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86')
| -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 14b2791..5b4e1d4 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -298,7 +298,7 @@ struct gprefix { } \ } while (0) -#define __emulate_1op(_op, _dst, _eflags, _suffix) \ +#define __emulate_1op(ctxt, _op, _suffix) \ do { \ unsigned long _tmp; \ \ @@ -306,19 +306,19 @@ struct gprefix { _PRE_EFLAGS("0", "3", "2") \ _op _suffix " %1; " \ _POST_EFLAGS("0", "3", "2") \ - : "=m" (_eflags), "+m" ((_dst).val), \ + : "=m" ((ctxt)->eflags), "+m" ((ctxt)->dst.val), \ "=&r" (_tmp) \ : "i" (EFLAGS_MASK)); \ } while (0) /* Instruction has only one explicit operand (no source operand). */ -#define emulate_1op(_op, _dst, _eflags) \ +#define emulate_1op(ctxt, _op) \ do { \ - switch ((_dst).bytes) { \ - case 1: __emulate_1op(_op, _dst, _eflags, "b"); break; \ - case 2: __emulate_1op(_op, _dst, _eflags, "w"); break; \ - case 4: __emulate_1op(_op, _dst, _eflags, "l"); break; \ - case 8: ON64(__emulate_1op(_op, _dst, _eflags, "q")); break; \ + switch ((ctxt)->dst.bytes) { \ + case 1: __emulate_1op(ctxt, _op, "b"); break; \ + case 2: __emulate_1op(ctxt, _op, "w"); break; \ + case 4: __emulate_1op(ctxt, _op, "l"); break; \ + case 8: ON64(__emulate_1op(ctxt, _op, "q")); break; \ } \ } while (0) @@ -1715,7 +1715,7 @@ static int em_grp3(struct x86_emulate_ctxt *ctxt) ctxt->dst.val = ~ctxt->dst.val; break; case 3: /* neg */ - emulate_1op("neg", ctxt->dst, ctxt->eflags); + emulate_1op(ctxt, "neg"); break; case 4: /* mul */ emulate_1op_rax_rdx("mul", ctxt->src, *rax, *rdx, ctxt->eflags); @@ -1745,10 +1745,10 @@ static int em_grp45(struct x86_emulate_ctxt *ctxt) switch (ctxt->modrm_reg) { case 0: /* inc */ - emulate_1op("inc", ctxt->dst, ctxt->eflags); + emulate_1op(ctxt, "inc"); break; case 1: /* dec */ - emulate_1op("dec", ctxt->dst, ctxt->eflags); + emulate_1op(ctxt, "dec"); break; case 2: /* call near abs */ { long int old_eip; @@ -3849,10 +3849,10 @@ special_insn: rc = emulate_pop_sreg(ctxt, VCPU_SREG_DS); break; case 0x40 ... 0x47: /* inc r16/r32 */ - emulate_1op("inc", ctxt->dst, ctxt->eflags); + emulate_1op(ctxt, "inc"); break; case 0x48 ... 0x4f: /* dec r16/r32 */ - emulate_1op("dec", ctxt->dst, ctxt->eflags); + emulate_1op(ctxt, "dec"); break; case 0x63: /* movsxd */ if (ctxt->mode != X86EMUL_MODE_PROT64) |
