Signed-off-by: Sanjay Lal <sanj...@kymasys.com>
---
arch/mips/kvm/kvm_trap_emul.c | 68 ++++++++++++++++++++++++++++---------------
1 file changed, 44 insertions(+), 24 deletions(-)
diff --git a/arch/mips/kvm/kvm_trap_emul.c b/arch/mips/kvm/kvm_trap_emul.c
index 466aeef..19b32a1 100644
--- a/arch/mips/kvm/kvm_trap_emul.c
+++ b/arch/mips/kvm/kvm_trap_emul.c
@@ -27,7 +27,7 @@ static gpa_t kvm_trap_emul_gva_to_gpa_cb(gva_t gva)
if ((kseg == CKSEG0) || (kseg == CKSEG1))
gpa = CPHYSADDR(gva);
else {
- printk("%s: cannot find GPA for GVA: %#lx\n", __func__, gva);
+ kvm_err("%s: cannot find GPA for GVA: %#lx\n", __func__, gva);
kvm_mips_dump_host_tlbs();
gpa = KVM_INVALID_ADDR;
}
@@ -39,12 +39,29 @@ static gpa_t kvm_trap_emul_gva_to_gpa_cb(gva_t gva)
return gpa;
}
+#ifdef CONFIG_KVM_MIPS_VZ
+static int kvm_trap_emul_no_handler(struct kvm_vcpu *vcpu)
+{
+ uint32_t *opc = (uint32_t *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ uint32_t exccode = (cause >> CAUSEB_EXCCODE) & 0x1f;
+ ulong badvaddr = vcpu->arch.host_cp0_badvaddr;
+
+ printk
+ ("Exception Code: %d, not handled, @ PC: %p, inst: 0x%08x
BadVaddr: %#lx Status: %#lx\n",
+ exccode, opc, kvm_get_inst(opc, vcpu), badvaddr,
+ kvm_read_c0_guest_status(vcpu->arch.cop0));
+ kvm_arch_vcpu_dump_regs(vcpu);
+ vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ return RESUME_HOST;
+}
+#endif
static int kvm_trap_emul_handle_cop_unusable(struct kvm_vcpu *vcpu)
{
struct kvm_run *run = vcpu->run;
- uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
- unsigned long cause = vcpu->arch.host_cp0_cause;
+ uint32_t *opc = (uint32_t *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
enum emulation_result er = EMULATE_DONE;
int ret = RESUME_GUEST;
@@ -77,9 +94,9 @@ static int kvm_trap_emul_handle_cop_unusable(struct kvm_vcpu
*vcpu)
static int kvm_trap_emul_handle_tlb_mod(struct kvm_vcpu *vcpu)
{
struct kvm_run *run = vcpu->run;
- uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
- unsigned long badvaddr = vcpu->arch.host_cp0_badvaddr;
- unsigned long cause = vcpu->arch.host_cp0_cause;
+ uint32_t *opc = (uint32_t *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ ulong badvaddr = vcpu->arch.host_cp0_badvaddr;
enum emulation_result er = EMULATE_DONE;
int ret = RESUME_GUEST;
@@ -124,9 +141,9 @@ static int kvm_trap_emul_handle_tlb_mod(struct kvm_vcpu
*vcpu)
static int kvm_trap_emul_handle_tlb_st_miss(struct kvm_vcpu *vcpu)
{
struct kvm_run *run = vcpu->run;
- uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
- unsigned long badvaddr = vcpu->arch.host_cp0_badvaddr;
- unsigned long cause = vcpu->arch.host_cp0_cause;
+ uint32_t *opc = (uint32_t *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ ulong badvaddr = vcpu->arch.host_cp0_badvaddr;
enum emulation_result er = EMULATE_DONE;
int ret = RESUME_GUEST;
@@ -174,9 +191,9 @@ static int kvm_trap_emul_handle_tlb_st_miss(struct kvm_vcpu
*vcpu)
static int kvm_trap_emul_handle_tlb_ld_miss(struct kvm_vcpu *vcpu)
{
struct kvm_run *run = vcpu->run;
- uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
- unsigned long badvaddr = vcpu->arch.host_cp0_badvaddr;
- unsigned long cause = vcpu->arch.host_cp0_cause;
+ uint32_t *opc = (uint32_t *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ ulong badvaddr = vcpu->arch.host_cp0_badvaddr;
enum emulation_result er = EMULATE_DONE;
int ret = RESUME_GUEST;
@@ -228,9 +245,9 @@ static int kvm_trap_emul_handle_tlb_ld_miss(struct kvm_vcpu
*vcpu)
static int kvm_trap_emul_handle_addr_err_st(struct kvm_vcpu *vcpu)
{
struct kvm_run *run = vcpu->run;
- uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
- unsigned long badvaddr = vcpu->arch.host_cp0_badvaddr;
- unsigned long cause = vcpu->arch.host_cp0_cause;
+ uint32_t *opc = (uint32_t *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ ulong badvaddr = vcpu->arch.host_cp0_badvaddr;
enum emulation_result er = EMULATE_DONE;
int ret = RESUME_GUEST;
@@ -261,9 +278,9 @@ static int kvm_trap_emul_handle_addr_err_st(struct kvm_vcpu
*vcpu)
static int kvm_trap_emul_handle_addr_err_ld(struct kvm_vcpu *vcpu)
{
struct kvm_run *run = vcpu->run;
- uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
- unsigned long badvaddr = vcpu->arch.host_cp0_badvaddr;
- unsigned long cause = vcpu->arch.host_cp0_cause;
+ uint32_t *opc = (uint32_t *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ ulong badvaddr = vcpu->arch.host_cp0_badvaddr;
enum emulation_result er = EMULATE_DONE;
int ret = RESUME_GUEST;
@@ -294,8 +311,8 @@ static int kvm_trap_emul_handle_addr_err_ld(struct kvm_vcpu
*vcpu)
static int kvm_trap_emul_handle_syscall(struct kvm_vcpu *vcpu)
{
struct kvm_run *run = vcpu->run;
- uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
- unsigned long cause = vcpu->arch.host_cp0_cause;
+ uint32_t *opc = (uint32_t *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
enum emulation_result er = EMULATE_DONE;
int ret = RESUME_GUEST;
@@ -312,8 +329,8 @@ static int kvm_trap_emul_handle_syscall(struct kvm_vcpu
*vcpu)
static int kvm_trap_emul_handle_res_inst(struct kvm_vcpu *vcpu)
{
struct kvm_run *run = vcpu->run;
- uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
- unsigned long cause = vcpu->arch.host_cp0_cause;
+ uint32_t *opc = (uint32_t *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
enum emulation_result er = EMULATE_DONE;
int ret = RESUME_GUEST;
@@ -330,8 +347,8 @@ static int kvm_trap_emul_handle_res_inst(struct kvm_vcpu
*vcpu)
static int kvm_trap_emul_handle_break(struct kvm_vcpu *vcpu)
{
struct kvm_run *run = vcpu->run;
- uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
- unsigned long cause = vcpu->arch.host_cp0_cause;
+ uint32_t *opc = (uint32_t *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
enum emulation_result er = EMULATE_DONE;
int ret = RESUME_GUEST;
@@ -460,6 +477,9 @@ static struct kvm_mips_callbacks kvm_trap_emul_callbacks = {
.handle_syscall = kvm_trap_emul_handle_syscall,
.handle_res_inst = kvm_trap_emul_handle_res_inst,
.handle_break = kvm_trap_emul_handle_break,
+#ifdef CONFIG_KVM_MIPS_VZ
+ .handle_guest_exit = kvm_trap_emul_no_handler,
+#endif
.vm_init = kvm_trap_emul_vm_init,
.vcpu_init = kvm_trap_emul_vcpu_init,
--
1.7.11.3
--
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