diff options
Diffstat (limited to 'arch/powerpc/kvm/booke.h')
| -rw-r--r-- | arch/powerpc/kvm/booke.h | 63 |
1 files changed, 23 insertions, 40 deletions
diff --git a/arch/powerpc/kvm/booke.h b/arch/powerpc/kvm/booke.h index 5fd1ba693579..9c5b8e76014f 100644 --- a/arch/powerpc/kvm/booke.h +++ b/arch/powerpc/kvm/booke.h @@ -1,16 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * Copyright IBM Corp. 2008 * @@ -32,9 +21,15 @@ #define BOOKE_IRQPRIO_ALIGNMENT 2 #define BOOKE_IRQPRIO_PROGRAM 3 #define BOOKE_IRQPRIO_FP_UNAVAIL 4 +#ifdef CONFIG_SPE_POSSIBLE #define BOOKE_IRQPRIO_SPE_UNAVAIL 5 #define BOOKE_IRQPRIO_SPE_FP_DATA 6 #define BOOKE_IRQPRIO_SPE_FP_ROUND 7 +#endif +#ifdef CONFIG_PPC_E500MC +#define BOOKE_IRQPRIO_ALTIVEC_UNAVAIL 5 +#define BOOKE_IRQPRIO_ALTIVEC_ASSIST 6 +#endif #define BOOKE_IRQPRIO_SYSCALL 8 #define BOOKE_IRQPRIO_AP_UNAVAIL 9 #define BOOKE_IRQPRIO_DTLB_MISS 10 @@ -75,7 +70,7 @@ void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr); void kvmppc_set_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits); void kvmppc_clr_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits); -int kvmppc_booke_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, +int kvmppc_booke_emulate_op(struct kvm_vcpu *vcpu, unsigned int inst, int *advance); int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val); int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val); @@ -99,34 +94,22 @@ enum int_class { void kvmppc_set_pending_interrupt(struct kvm_vcpu *vcpu, enum int_class type); -/* - * Load up guest vcpu FP state if it's needed. - * It also set the MSR_FP in thread so that host know - * we're holding FPU, and then host can help to save - * guest vcpu FP state if other threads require to use FPU. - * This simulates an FP unavailable fault. - * - * It requires to be called with preemption disabled. - */ -static inline void kvmppc_load_guest_fp(struct kvm_vcpu *vcpu) +extern int kvmppc_core_emulate_op_e500(struct kvm_vcpu *vcpu, + unsigned int inst, int *advance); +extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn, + ulong spr_val); +extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn, + ulong *spr_val); +extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn, + ulong spr_val); +extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn, + ulong *spr_val); + +static inline void kvmppc_clear_dbsr(void) { -#ifdef CONFIG_PPC_FPU - if (vcpu->fpu_active && !(current->thread.regs->msr & MSR_FP)) { - load_up_fpu(); - current->thread.regs->msr |= MSR_FP; - } -#endif + mtspr(SPRN_DBSR, mfspr(SPRN_DBSR)); } -/* - * Save guest vcpu FP state into thread. - * It requires to be called with preemption disabled. - */ -static inline void kvmppc_save_guest_fp(struct kvm_vcpu *vcpu) -{ -#ifdef CONFIG_PPC_FPU - if (vcpu->fpu_active && (current->thread.regs->msr & MSR_FP)) - giveup_fpu(current); -#endif -} +int kvmppc_handle_exit(struct kvm_vcpu *vcpu, unsigned int exit_nr); + #endif /* __KVM_BOOKE_H__ */ |