From 1498507a47867596de158d4db8728e92385a4919 Mon Sep 17 00:00:00 2001 From: Bandan Das Date: Wed, 16 Apr 2014 12:46:09 -0400 Subject: [PATCH] KVM: emulate: move init_decode_cache to emulate.c Core emulator functions all belong in emulator.c, x86 should have no knowledge of emulator internals Signed-off-by: Bandan Das Signed-off-by: Paolo Bonzini --- arch/x86/include/asm/kvm_emulate.h | 1 + arch/x86/kvm/emulate.c | 13 +++++++++++++ arch/x86/kvm/x86.c | 13 ------------- 3 files changed, 14 insertions(+), 13 deletions(-) diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h index 432447370044..c22bd9af4311 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -409,6 +409,7 @@ bool x86_page_table_writing_insn(struct x86_emulate_ctxt *ctxt); #define EMULATION_OK 0 #define EMULATION_RESTART 1 #define EMULATION_INTERCEPTED 2 +void init_decode_cache(struct x86_emulate_ctxt *ctxt); int x86_emulate_insn(struct x86_emulate_ctxt *ctxt); int emulator_task_switch(struct x86_emulate_ctxt *ctxt, u16 tss_selector, int idt_index, int reason, diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 32d3da82da2e..851315d93bf7 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -4534,6 +4534,19 @@ static int fastop(struct x86_emulate_ctxt *ctxt, void (*fop)(struct fastop *)) return X86EMUL_CONTINUE; } +void init_decode_cache(struct x86_emulate_ctxt *ctxt) +{ + memset(&ctxt->opcode_len, 0, + (void *)&ctxt->_regs - (void *)&ctxt->opcode_len); + + ctxt->fetch.start = 0; + ctxt->fetch.end = 0; + ctxt->io_read.pos = 0; + ctxt->io_read.end = 0; + ctxt->mem_read.pos = 0; + ctxt->mem_read.end = 0; +} + int x86_emulate_insn(struct x86_emulate_ctxt *ctxt) { const struct x86_emulate_ops *ops = ctxt->ops; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index cd9316786dca..905edf8557e7 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4888,19 +4888,6 @@ static void inject_emulated_exception(struct kvm_vcpu *vcpu) kvm_queue_exception(vcpu, ctxt->exception.vector); } -static void init_decode_cache(struct x86_emulate_ctxt *ctxt) -{ - memset(&ctxt->opcode_len, 0, - (void *)&ctxt->_regs - (void *)&ctxt->opcode_len); - - ctxt->fetch.start = 0; - ctxt->fetch.end = 0; - ctxt->io_read.pos = 0; - ctxt->io_read.end = 0; - ctxt->mem_read.pos = 0; - ctxt->mem_read.end = 0; -} - static void init_emulate_ctxt(struct kvm_vcpu *vcpu) { struct x86_emulate_ctxt *ctxt = &vcpu->arch.emulate_ctxt; -- 2.45.2