diff options
author | Gleb Natapov <gleb@redhat.com> | 2010-04-28 19:15:28 +0300 |
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committer | Avi Kivity <avi@redhat.com> | 2010-08-01 10:35:30 +0300 |
commit | 3fb1b5dbd397d16a855c97c3fb80fe6e9196ce7c (patch) | |
tree | 337a8ed2aba3f195d428c7b7827a323bd8b4428d /arch/x86/kvm/emulate.c | |
parent | 35aa5375d407ecadcc3adb5cb31d27044bf7f29f (diff) | |
download | lwn-3fb1b5dbd397d16a855c97c3fb80fe6e9196ce7c.tar.gz lwn-3fb1b5dbd397d16a855c97c3fb80fe6e9196ce7c.zip |
KVM: x86 emulator: add (set|get)_msr callbacks to x86_emulate_ops
Add (set|get)_msr callbacks to x86_emulate_ops instead of calling
them directly.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/emulate.c')
-rw-r--r-- | arch/x86/kvm/emulate.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 8a4aa73ff1e4..7c8ed560fd41 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -1875,7 +1875,7 @@ setup_syscalls_segments(struct x86_emulate_ctxt *ctxt, } static int -emulate_syscall(struct x86_emulate_ctxt *ctxt) +emulate_syscall(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops) { struct decode_cache *c = &ctxt->decode; struct kvm_segment cs, ss; @@ -1890,7 +1890,7 @@ emulate_syscall(struct x86_emulate_ctxt *ctxt) setup_syscalls_segments(ctxt, &cs, &ss); - kvm_x86_ops->get_msr(ctxt->vcpu, MSR_STAR, &msr_data); + ops->get_msr(ctxt->vcpu, MSR_STAR, &msr_data); msr_data >>= 32; cs.selector = (u16)(msr_data & 0xfffc); ss.selector = (u16)(msr_data + 8); @@ -1907,17 +1907,17 @@ emulate_syscall(struct x86_emulate_ctxt *ctxt) #ifdef CONFIG_X86_64 c->regs[VCPU_REGS_R11] = ctxt->eflags & ~EFLG_RF; - kvm_x86_ops->get_msr(ctxt->vcpu, - ctxt->mode == X86EMUL_MODE_PROT64 ? - MSR_LSTAR : MSR_CSTAR, &msr_data); + ops->get_msr(ctxt->vcpu, + ctxt->mode == X86EMUL_MODE_PROT64 ? + MSR_LSTAR : MSR_CSTAR, &msr_data); c->eip = msr_data; - kvm_x86_ops->get_msr(ctxt->vcpu, MSR_SYSCALL_MASK, &msr_data); + ops->get_msr(ctxt->vcpu, MSR_SYSCALL_MASK, &msr_data); ctxt->eflags &= ~(msr_data | EFLG_RF); #endif } else { /* legacy mode */ - kvm_x86_ops->get_msr(ctxt->vcpu, MSR_STAR, &msr_data); + ops->get_msr(ctxt->vcpu, MSR_STAR, &msr_data); c->eip = (u32)msr_data; ctxt->eflags &= ~(EFLG_VM | EFLG_IF | EFLG_RF); @@ -1927,7 +1927,7 @@ emulate_syscall(struct x86_emulate_ctxt *ctxt) } static int -emulate_sysenter(struct x86_emulate_ctxt *ctxt) +emulate_sysenter(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops) { struct decode_cache *c = &ctxt->decode; struct kvm_segment cs, ss; @@ -1949,7 +1949,7 @@ emulate_sysenter(struct x86_emulate_ctxt *ctxt) setup_syscalls_segments(ctxt, &cs, &ss); - kvm_x86_ops->get_msr(ctxt->vcpu, MSR_IA32_SYSENTER_CS, &msr_data); + ops->get_msr(ctxt->vcpu, MSR_IA32_SYSENTER_CS, &msr_data); switch (ctxt->mode) { case X86EMUL_MODE_PROT32: if ((msr_data & 0xfffc) == 0x0) { @@ -1979,17 +1979,17 @@ emulate_sysenter(struct x86_emulate_ctxt *ctxt) kvm_x86_ops->set_segment(ctxt->vcpu, &cs, VCPU_SREG_CS); kvm_x86_ops->set_segment(ctxt->vcpu, &ss, VCPU_SREG_SS); - kvm_x86_ops->get_msr(ctxt->vcpu, MSR_IA32_SYSENTER_EIP, &msr_data); + ops->get_msr(ctxt->vcpu, MSR_IA32_SYSENTER_EIP, &msr_data); c->eip = msr_data; - kvm_x86_ops->get_msr(ctxt->vcpu, MSR_IA32_SYSENTER_ESP, &msr_data); + ops->get_msr(ctxt->vcpu, MSR_IA32_SYSENTER_ESP, &msr_data); c->regs[VCPU_REGS_RSP] = msr_data; return X86EMUL_CONTINUE; } static int -emulate_sysexit(struct x86_emulate_ctxt *ctxt) +emulate_sysexit(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops) { struct decode_cache *c = &ctxt->decode; struct kvm_segment cs, ss; @@ -2012,7 +2012,7 @@ emulate_sysexit(struct x86_emulate_ctxt *ctxt) cs.dpl = 3; ss.dpl = 3; - kvm_x86_ops->get_msr(ctxt->vcpu, MSR_IA32_SYSENTER_CS, &msr_data); + ops->get_msr(ctxt->vcpu, MSR_IA32_SYSENTER_CS, &msr_data); switch (usermode) { case X86EMUL_MODE_PROT32: cs.selector = (u16)(msr_data + 16); @@ -3099,7 +3099,7 @@ twobyte_insn: } break; case 0x05: /* syscall */ - rc = emulate_syscall(ctxt); + rc = emulate_syscall(ctxt, ops); if (rc != X86EMUL_CONTINUE) goto done; else @@ -3155,7 +3155,7 @@ twobyte_insn: /* wrmsr */ msr_data = (u32)c->regs[VCPU_REGS_RAX] | ((u64)c->regs[VCPU_REGS_RDX] << 32); - if (kvm_set_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], msr_data)) { + if (ops->set_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], msr_data)) { kvm_inject_gp(ctxt->vcpu, 0); goto done; } @@ -3164,7 +3164,7 @@ twobyte_insn: break; case 0x32: /* rdmsr */ - if (kvm_get_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], &msr_data)) { + if (ops->get_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], &msr_data)) { kvm_inject_gp(ctxt->vcpu, 0); goto done; } else { @@ -3175,14 +3175,14 @@ twobyte_insn: c->dst.type = OP_NONE; break; case 0x34: /* sysenter */ - rc = emulate_sysenter(ctxt); + rc = emulate_sysenter(ctxt, ops); if (rc != X86EMUL_CONTINUE) goto done; else goto writeback; break; case 0x35: /* sysexit */ - rc = emulate_sysexit(ctxt); + rc = emulate_sysexit(ctxt, ops); if (rc != X86EMUL_CONTINUE) goto done; else |