diff options
Diffstat (limited to 'arch/mips/kvm/trap_emul.c')
| -rw-r--r-- | arch/mips/kvm/trap_emul.c | 181 |
1 files changed, 178 insertions, 3 deletions
diff --git a/arch/mips/kvm/trap_emul.c b/arch/mips/kvm/trap_emul.c index 001c5fb61049..08327de4323a 100644 --- a/arch/mips/kvm/trap_emul.c +++ b/arch/mips/kvm/trap_emul.c @@ -489,8 +489,6 @@ static int kvm_trap_emul_vcpu_init(struct kvm_vcpu *vcpu) struct mm_struct *kern_mm = &vcpu->arch.guest_kernel_mm; struct mm_struct *user_mm = &vcpu->arch.guest_user_mm; - vcpu->arch.kscratch_enabled = 0xfc; - /* * Allocate GVA -> HPA page tables. * MIPS doesn't use the mm_struct pointer argument. @@ -640,14 +638,54 @@ static void kvm_trap_emul_flush_shadow_memslot(struct kvm *kvm, kvm_trap_emul_flush_shadow_all(kvm); } +static u64 kvm_trap_emul_get_one_regs[] = { + KVM_REG_MIPS_CP0_INDEX, + KVM_REG_MIPS_CP0_CONTEXT, + KVM_REG_MIPS_CP0_USERLOCAL, + KVM_REG_MIPS_CP0_PAGEMASK, + KVM_REG_MIPS_CP0_WIRED, + KVM_REG_MIPS_CP0_HWRENA, + KVM_REG_MIPS_CP0_BADVADDR, + KVM_REG_MIPS_CP0_COUNT, + KVM_REG_MIPS_CP0_ENTRYHI, + KVM_REG_MIPS_CP0_COMPARE, + KVM_REG_MIPS_CP0_STATUS, + KVM_REG_MIPS_CP0_CAUSE, + KVM_REG_MIPS_CP0_EPC, + KVM_REG_MIPS_CP0_PRID, + KVM_REG_MIPS_CP0_CONFIG, + KVM_REG_MIPS_CP0_CONFIG1, + KVM_REG_MIPS_CP0_CONFIG2, + KVM_REG_MIPS_CP0_CONFIG3, + KVM_REG_MIPS_CP0_CONFIG4, + KVM_REG_MIPS_CP0_CONFIG5, + KVM_REG_MIPS_CP0_CONFIG7, + KVM_REG_MIPS_CP0_ERROREPC, + KVM_REG_MIPS_CP0_KSCRATCH1, + KVM_REG_MIPS_CP0_KSCRATCH2, + KVM_REG_MIPS_CP0_KSCRATCH3, + KVM_REG_MIPS_CP0_KSCRATCH4, + KVM_REG_MIPS_CP0_KSCRATCH5, + KVM_REG_MIPS_CP0_KSCRATCH6, + + KVM_REG_MIPS_COUNT_CTL, + KVM_REG_MIPS_COUNT_RESUME, + KVM_REG_MIPS_COUNT_HZ, +}; + static unsigned long kvm_trap_emul_num_regs(struct kvm_vcpu *vcpu) { - return 0; + return ARRAY_SIZE(kvm_trap_emul_get_one_regs); } static int kvm_trap_emul_copy_reg_indices(struct kvm_vcpu *vcpu, u64 __user *indices) { + if (copy_to_user(indices, kvm_trap_emul_get_one_regs, + sizeof(kvm_trap_emul_get_one_regs))) + return -EFAULT; + indices += ARRAY_SIZE(kvm_trap_emul_get_one_regs); + return 0; } @@ -655,7 +693,69 @@ static int kvm_trap_emul_get_one_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg, s64 *v) { + struct mips_coproc *cop0 = vcpu->arch.cop0; + switch (reg->id) { + case KVM_REG_MIPS_CP0_INDEX: + *v = (long)kvm_read_c0_guest_index(cop0); + break; + case KVM_REG_MIPS_CP0_CONTEXT: + *v = (long)kvm_read_c0_guest_context(cop0); + break; + case KVM_REG_MIPS_CP0_USERLOCAL: + *v = (long)kvm_read_c0_guest_userlocal(cop0); + break; + case KVM_REG_MIPS_CP0_PAGEMASK: + *v = (long)kvm_read_c0_guest_pagemask(cop0); + break; + case KVM_REG_MIPS_CP0_WIRED: + *v = (long)kvm_read_c0_guest_wired(cop0); + break; + case KVM_REG_MIPS_CP0_HWRENA: + *v = (long)kvm_read_c0_guest_hwrena(cop0); + break; + case KVM_REG_MIPS_CP0_BADVADDR: + *v = (long)kvm_read_c0_guest_badvaddr(cop0); + break; + case KVM_REG_MIPS_CP0_ENTRYHI: + *v = (long)kvm_read_c0_guest_entryhi(cop0); + break; + case KVM_REG_MIPS_CP0_COMPARE: + *v = (long)kvm_read_c0_guest_compare(cop0); + break; + case KVM_REG_MIPS_CP0_STATUS: + *v = (long)kvm_read_c0_guest_status(cop0); + break; + case KVM_REG_MIPS_CP0_CAUSE: + *v = (long)kvm_read_c0_guest_cause(cop0); + break; + case KVM_REG_MIPS_CP0_EPC: + *v = (long)kvm_read_c0_guest_epc(cop0); + break; + case KVM_REG_MIPS_CP0_PRID: + *v = (long)kvm_read_c0_guest_prid(cop0); + break; + case KVM_REG_MIPS_CP0_CONFIG: + *v = (long)kvm_read_c0_guest_config(cop0); + break; + case KVM_REG_MIPS_CP0_CONFIG1: + *v = (long)kvm_read_c0_guest_config1(cop0); + break; + case KVM_REG_MIPS_CP0_CONFIG2: + *v = (long)kvm_read_c0_guest_config2(cop0); + break; + case KVM_REG_MIPS_CP0_CONFIG3: + *v = (long)kvm_read_c0_guest_config3(cop0); + break; + case KVM_REG_MIPS_CP0_CONFIG4: + *v = (long)kvm_read_c0_guest_config4(cop0); + break; + case KVM_REG_MIPS_CP0_CONFIG5: + *v = (long)kvm_read_c0_guest_config5(cop0); + break; + case KVM_REG_MIPS_CP0_CONFIG7: + *v = (long)kvm_read_c0_guest_config7(cop0); + break; case KVM_REG_MIPS_CP0_COUNT: *v = kvm_mips_read_count(vcpu); break; @@ -668,6 +768,27 @@ static int kvm_trap_emul_get_one_reg(struct kvm_vcpu *vcpu, case KVM_REG_MIPS_COUNT_HZ: *v = vcpu->arch.count_hz; break; + case KVM_REG_MIPS_CP0_ERROREPC: + *v = (long)kvm_read_c0_guest_errorepc(cop0); + break; + case KVM_REG_MIPS_CP0_KSCRATCH1: + *v = (long)kvm_read_c0_guest_kscratch1(cop0); + break; + case KVM_REG_MIPS_CP0_KSCRATCH2: + *v = (long)kvm_read_c0_guest_kscratch2(cop0); + break; + case KVM_REG_MIPS_CP0_KSCRATCH3: + *v = (long)kvm_read_c0_guest_kscratch3(cop0); + break; + case KVM_REG_MIPS_CP0_KSCRATCH4: + *v = (long)kvm_read_c0_guest_kscratch4(cop0); + break; + case KVM_REG_MIPS_CP0_KSCRATCH5: + *v = (long)kvm_read_c0_guest_kscratch5(cop0); + break; + case KVM_REG_MIPS_CP0_KSCRATCH6: + *v = (long)kvm_read_c0_guest_kscratch6(cop0); + break; default: return -EINVAL; } @@ -683,6 +804,39 @@ static int kvm_trap_emul_set_one_reg(struct kvm_vcpu *vcpu, unsigned int cur, change; switch (reg->id) { + case KVM_REG_MIPS_CP0_INDEX: + kvm_write_c0_guest_index(cop0, v); + break; + case KVM_REG_MIPS_CP0_CONTEXT: + kvm_write_c0_guest_context(cop0, v); + break; + case KVM_REG_MIPS_CP0_USERLOCAL: + kvm_write_c0_guest_userlocal(cop0, v); + break; + case KVM_REG_MIPS_CP0_PAGEMASK: + kvm_write_c0_guest_pagemask(cop0, v); + break; + case KVM_REG_MIPS_CP0_WIRED: + kvm_write_c0_guest_wired(cop0, v); + break; + case KVM_REG_MIPS_CP0_HWRENA: + kvm_write_c0_guest_hwrena(cop0, v); + break; + case KVM_REG_MIPS_CP0_BADVADDR: + kvm_write_c0_guest_badvaddr(cop0, v); + break; + case KVM_REG_MIPS_CP0_ENTRYHI: + kvm_write_c0_guest_entryhi(cop0, v); + break; + case KVM_REG_MIPS_CP0_STATUS: + kvm_write_c0_guest_status(cop0, v); + break; + case KVM_REG_MIPS_CP0_EPC: + kvm_write_c0_guest_epc(cop0, v); + break; + case KVM_REG_MIPS_CP0_PRID: + kvm_write_c0_guest_prid(cop0, v); + break; case KVM_REG_MIPS_CP0_COUNT: kvm_mips_write_count(vcpu, v); break; @@ -759,6 +913,27 @@ static int kvm_trap_emul_set_one_reg(struct kvm_vcpu *vcpu, case KVM_REG_MIPS_COUNT_HZ: ret = kvm_mips_set_count_hz(vcpu, v); break; + case KVM_REG_MIPS_CP0_ERROREPC: + kvm_write_c0_guest_errorepc(cop0, v); + break; + case KVM_REG_MIPS_CP0_KSCRATCH1: + kvm_write_c0_guest_kscratch1(cop0, v); + break; + case KVM_REG_MIPS_CP0_KSCRATCH2: + kvm_write_c0_guest_kscratch2(cop0, v); + break; + case KVM_REG_MIPS_CP0_KSCRATCH3: + kvm_write_c0_guest_kscratch3(cop0, v); + break; + case KVM_REG_MIPS_CP0_KSCRATCH4: + kvm_write_c0_guest_kscratch4(cop0, v); + break; + case KVM_REG_MIPS_CP0_KSCRATCH5: + kvm_write_c0_guest_kscratch5(cop0, v); + break; + case KVM_REG_MIPS_CP0_KSCRATCH6: + kvm_write_c0_guest_kscratch6(cop0, v); + break; default: return -EINVAL; } |