[RFC PATCH v2 1/6] 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 --- 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 d085f73..ad4cca8 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -436,6 +436,7 @@ 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 8ca292c..8e2b866 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -4550,6 +4550,19 @@ 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(>opcode_len, 0, + (void *)>_regs - (void *)>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 4fad05d..122410d 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4951,19 +4951,6 @@ 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(>opcode_len, 0, - (void *)>_regs - (void *)>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 = >arch.emulate_ctxt; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[RFC PATCH v2 1/6] 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 b...@redhat.com --- 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 d085f73..ad4cca8 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -436,6 +436,7 @@ 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 8ca292c..8e2b866 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -4550,6 +4550,19 @@ 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 4fad05d..122410d 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4951,19 +4951,6 @@ 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; -- 1.8.3.1 -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/