| #include "qemu/osdep.h" |
| #include "cpu.h" |
| #include "exec/exec-all.h" |
| #include "hw/hw.h" |
| #include "hw/boards.h" |
| #include "sysemu/kvm.h" |
| #include "helper_regs.h" |
| #include "mmu-hash64.h" |
| #include "migration/cpu.h" |
| #include "qapi/error.h" |
| #include "kvm_ppc.h" |
| #include "exec/helper-proto.h" |
| |
| static int cpu_load_old(QEMUFile *f, void *opaque, int version_id) |
| { |
| PowerPCCPU *cpu = opaque; |
| CPUPPCState *env = &cpu->env; |
| unsigned int i, j; |
| target_ulong sdr1; |
| uint32_t fpscr, vscr; |
| #if defined(TARGET_PPC64) |
| int32_t slb_nr; |
| #endif |
| target_ulong xer; |
| |
| for (i = 0; i < 32; i++) { |
| qemu_get_betls(f, &env->gpr[i]); |
| } |
| #if !defined(TARGET_PPC64) |
| for (i = 0; i < 32; i++) { |
| qemu_get_betls(f, &env->gprh[i]); |
| } |
| #endif |
| qemu_get_betls(f, &env->lr); |
| qemu_get_betls(f, &env->ctr); |
| for (i = 0; i < 8; i++) { |
| qemu_get_be32s(f, &env->crf[i]); |
| } |
| qemu_get_betls(f, &xer); |
| cpu_write_xer(env, xer); |
| qemu_get_betls(f, &env->reserve_addr); |
| qemu_get_betls(f, &env->msr); |
| for (i = 0; i < 4; i++) { |
| qemu_get_betls(f, &env->tgpr[i]); |
| } |
| for (i = 0; i < 32; i++) { |
| union { |
| float64 d; |
| uint64_t l; |
| } u; |
| u.l = qemu_get_be64(f); |
| *cpu_fpr_ptr(env, i) = u.d; |
| } |
| qemu_get_be32s(f, &fpscr); |
| env->fpscr = fpscr; |
| qemu_get_sbe32s(f, &env->access_type); |
| #if defined(TARGET_PPC64) |
| qemu_get_betls(f, &env->spr[SPR_ASR]); |
| qemu_get_sbe32s(f, &slb_nr); |
| #endif |
| qemu_get_betls(f, &sdr1); |
| for (i = 0; i < 32; i++) { |
| qemu_get_betls(f, &env->sr[i]); |
| } |
| for (i = 0; i < 2; i++) { |
| for (j = 0; j < 8; j++) { |
| qemu_get_betls(f, &env->DBAT[i][j]); |
| } |
| } |
| for (i = 0; i < 2; i++) { |
| for (j = 0; j < 8; j++) { |
| qemu_get_betls(f, &env->IBAT[i][j]); |
| } |
| } |
| qemu_get_sbe32s(f, &env->nb_tlb); |
| qemu_get_sbe32s(f, &env->tlb_per_way); |
| qemu_get_sbe32s(f, &env->nb_ways); |
| qemu_get_sbe32s(f, &env->last_way); |
| qemu_get_sbe32s(f, &env->id_tlbs); |
| qemu_get_sbe32s(f, &env->nb_pids); |
| if (env->tlb.tlb6) { |
| /* XXX assumes 6xx */ |
| for (i = 0; i < env->nb_tlb; i++) { |
| qemu_get_betls(f, &env->tlb.tlb6[i].pte0); |
| qemu_get_betls(f, &env->tlb.tlb6[i].pte1); |
| qemu_get_betls(f, &env->tlb.tlb6[i].EPN); |
| } |
| } |
| for (i = 0; i < 4; i++) { |
| qemu_get_betls(f, &env->pb[i]); |
| } |
| for (i = 0; i < 1024; i++) { |
| qemu_get_betls(f, &env->spr[i]); |
| } |
| if (!cpu->vhyp) { |
| ppc_store_sdr1(env, sdr1); |
| } |
| qemu_get_be32s(f, &vscr); |
| helper_mtvscr(env, vscr); |
| qemu_get_be64s(f, &env->spe_acc); |
| qemu_get_be32s(f, &env->spe_fscr); |
| qemu_get_betls(f, &env->msr_mask); |
| qemu_get_be32s(f, &env->flags); |
| qemu_get_sbe32s(f, &env->error_code); |
| qemu_get_be32s(f, &env->pending_interrupts); |
| qemu_get_be32s(f, &env->irq_input_state); |
| for (i = 0; i < POWERPC_EXCP_NB; i++) { |
| qemu_get_betls(f, &env->excp_vectors[i]); |
| } |
| qemu_get_betls(f, &env->excp_prefix); |
| qemu_get_betls(f, &env->ivor_mask); |
| qemu_get_betls(f, &env->ivpr_mask); |
| qemu_get_betls(f, &env->hreset_vector); |
| qemu_get_betls(f, &env->nip); |
| qemu_get_betls(f, &env->hflags); |
| qemu_get_betls(f, &env->hflags_nmsr); |
| qemu_get_sbe32(f); /* Discard unused mmu_idx */ |
| qemu_get_sbe32(f); /* Discard unused power_mode */ |
| |
| /* Recompute mmu indices */ |
| hreg_compute_mem_idx(env); |
| |
| return 0; |
| } |
| |
| static int get_avr(QEMUFile *f, void *pv, size_t size, |
| const VMStateField *field) |
| { |
| ppc_avr_t *v = pv; |
| |
| v->u64[0] = qemu_get_be64(f); |
| v->u64[1] = qemu_get_be64(f); |
| |
| return 0; |
| } |
| |
| static int put_avr(QEMUFile *f, void *pv, size_t size, |
| const VMStateField *field, QJSON *vmdesc) |
| { |
| ppc_avr_t *v = pv; |
| |
| qemu_put_be64(f, v->u64[0]); |
| qemu_put_be64(f, v->u64[1]); |
| return 0; |
| } |
| |
| static const VMStateInfo vmstate_info_avr = { |
| .name = "avr", |
| .get = get_avr, |
| .put = put_avr, |
| }; |
| |
| #define VMSTATE_AVR_ARRAY_V(_f, _s, _n, _v) \ |
| VMSTATE_SUB_ARRAY(_f, _s, 32, _n, _v, vmstate_info_avr, ppc_avr_t) |
| |
| #define VMSTATE_AVR_ARRAY(_f, _s, _n) \ |
| VMSTATE_AVR_ARRAY_V(_f, _s, _n, 0) |
| |
| static int get_fpr(QEMUFile *f, void *pv, size_t size, |
| const VMStateField *field) |
| { |
| ppc_vsr_t *v = pv; |
| |
| v->VsrD(0) = qemu_get_be64(f); |
| |
| return 0; |
| } |
| |
| static int put_fpr(QEMUFile *f, void *pv, size_t size, |
| const VMStateField *field, QJSON *vmdesc) |
| { |
| ppc_vsr_t *v = pv; |
| |
| qemu_put_be64(f, v->VsrD(0)); |
| return 0; |
| } |
| |
| static const VMStateInfo vmstate_info_fpr = { |
| .name = "fpr", |
| .get = get_fpr, |
| .put = put_fpr, |
| }; |
| |
| #define VMSTATE_FPR_ARRAY_V(_f, _s, _n, _v) \ |
| VMSTATE_SUB_ARRAY(_f, _s, 0, _n, _v, vmstate_info_fpr, ppc_vsr_t) |
| |
| #define VMSTATE_FPR_ARRAY(_f, _s, _n) \ |
| VMSTATE_FPR_ARRAY_V(_f, _s, _n, 0) |
| |
| static int get_vsr(QEMUFile *f, void *pv, size_t size, |
| const VMStateField *field) |
| { |
| ppc_vsr_t *v = pv; |
| |
| v->VsrD(1) = qemu_get_be64(f); |
| |
| return 0; |
| } |
| |
| static int put_vsr(QEMUFile *f, void *pv, size_t size, |
| const VMStateField *field, QJSON *vmdesc) |
| { |
| ppc_vsr_t *v = pv; |
| |
| qemu_put_be64(f, v->VsrD(1)); |
| return 0; |
| } |
| |
| static const VMStateInfo vmstate_info_vsr = { |
| .name = "vsr", |
| .get = get_vsr, |
| .put = put_vsr, |
| }; |
| |
| #define VMSTATE_VSR_ARRAY_V(_f, _s, _n, _v) \ |
| VMSTATE_SUB_ARRAY(_f, _s, 0, _n, _v, vmstate_info_vsr, ppc_vsr_t) |
| |
| #define VMSTATE_VSR_ARRAY(_f, _s, _n) \ |
| VMSTATE_VSR_ARRAY_V(_f, _s, _n, 0) |
| |
| static bool cpu_pre_2_8_migration(void *opaque, int version_id) |
| { |
| PowerPCCPU *cpu = opaque; |
| |
| return cpu->pre_2_8_migration; |
| } |
| |
| #if defined(TARGET_PPC64) |
| static bool cpu_pre_3_0_migration(void *opaque, int version_id) |
| { |
| PowerPCCPU *cpu = opaque; |
| |
| return cpu->pre_3_0_migration; |
| } |
| #endif |
| |
| static int cpu_pre_save(void *opaque) |
| { |
| PowerPCCPU *cpu = opaque; |
| CPUPPCState *env = &cpu->env; |
| int i; |
| uint64_t insns_compat_mask = |
| PPC_INSNS_BASE | PPC_ISEL | PPC_STRING | PPC_MFTB |
| | PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES |
| | PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE | PPC_FLOAT_FRSQRTES |
| | PPC_FLOAT_STFIWX | PPC_FLOAT_EXT |
| | PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ |
| | PPC_MEM_SYNC | PPC_MEM_EIEIO | PPC_MEM_TLBIE | PPC_MEM_TLBSYNC |
| | PPC_64B | PPC_64BX | PPC_ALTIVEC |
| | PPC_SEGMENT_64B | PPC_SLBI | PPC_POPCNTB | PPC_POPCNTWD; |
| uint64_t insns_compat_mask2 = PPC2_VSX | PPC2_VSX207 | PPC2_DFP | PPC2_DBRX |
| | PPC2_PERM_ISA206 | PPC2_DIVE_ISA206 |
| | PPC2_ATOMIC_ISA206 | PPC2_FP_CVT_ISA206 |
| | PPC2_FP_TST_ISA206 | PPC2_BCTAR_ISA207 |
| | PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207 |
| | PPC2_ISA205 | PPC2_ISA207S | PPC2_FP_CVT_S64 | PPC2_TM; |
| |
| env->spr[SPR_LR] = env->lr; |
| env->spr[SPR_CTR] = env->ctr; |
| env->spr[SPR_XER] = cpu_read_xer(env); |
| #if defined(TARGET_PPC64) |
| env->spr[SPR_CFAR] = env->cfar; |
| #endif |
| env->spr[SPR_BOOKE_SPEFSCR] = env->spe_fscr; |
| |
| for (i = 0; (i < 4) && (i < env->nb_BATs); i++) { |
| env->spr[SPR_DBAT0U + 2 * i] = env->DBAT[0][i]; |
| env->spr[SPR_DBAT0U + 2 * i + 1] = env->DBAT[1][i]; |
| env->spr[SPR_IBAT0U + 2 * i] = env->IBAT[0][i]; |
| env->spr[SPR_IBAT0U + 2 * i + 1] = env->IBAT[1][i]; |
| } |
| for (i = 0; (i < 4) && ((i + 4) < env->nb_BATs); i++) { |
| env->spr[SPR_DBAT4U + 2 * i] = env->DBAT[0][i + 4]; |
| env->spr[SPR_DBAT4U + 2 * i + 1] = env->DBAT[1][i + 4]; |
| env->spr[SPR_IBAT4U + 2 * i] = env->IBAT[0][i + 4]; |
| env->spr[SPR_IBAT4U + 2 * i + 1] = env->IBAT[1][i + 4]; |
| } |
| |
| /* Hacks for migration compatibility between 2.6, 2.7 & 2.8 */ |
| if (cpu->pre_2_8_migration) { |
| /* |
| * Mask out bits that got added to msr_mask since the versions |
| * which stupidly included it in the migration stream. |
| */ |
| target_ulong metamask = 0 |
| #if defined(TARGET_PPC64) |
| | (1ULL << MSR_TS0) |
| | (1ULL << MSR_TS1) |
| #endif |
| ; |
| cpu->mig_msr_mask = env->msr_mask & ~metamask; |
| cpu->mig_insns_flags = env->insns_flags & insns_compat_mask; |
| /* |
| * CPU models supported by old machines all have |
| * PPC_MEM_TLBIE, so we set it unconditionally to allow |
| * backward migration from a POWER9 host to a POWER8 host. |
| */ |
| cpu->mig_insns_flags |= PPC_MEM_TLBIE; |
| cpu->mig_insns_flags2 = env->insns_flags2 & insns_compat_mask2; |
| cpu->mig_nb_BATs = env->nb_BATs; |
| } |
| if (cpu->pre_3_0_migration) { |
| if (cpu->hash64_opts) { |
| cpu->mig_slb_nr = cpu->hash64_opts->slb_size; |
| } |
| } |
| |
| return 0; |
| } |
| |
| /* |
| * Determine if a given PVR is a "close enough" match to the CPU |
| * object. For TCG and KVM PR it would probably be sufficient to |
| * require an exact PVR match. However for KVM HV the user is |
| * restricted to a PVR exactly matching the host CPU. The correct way |
| * to handle this is to put the guest into an architected |
| * compatibility mode. However, to allow a more forgiving transition |
| * and migration from before this was widely done, we allow migration |
| * between sufficiently similar PVRs, as determined by the CPU class's |
| * pvr_match() hook. |
| */ |
| static bool pvr_match(PowerPCCPU *cpu, uint32_t pvr) |
| { |
| PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); |
| |
| if (pvr == pcc->pvr) { |
| return true; |
| } |
| return pcc->pvr_match(pcc, pvr); |
| } |
| |
| static int cpu_post_load(void *opaque, int version_id) |
| { |
| PowerPCCPU *cpu = opaque; |
| CPUPPCState *env = &cpu->env; |
| int i; |
| target_ulong msr; |
| |
| /* |
| * If we're operating in compat mode, we should be ok as long as |
| * the destination supports the same compatiblity mode. |
| * |
| * Otherwise, however, we require that the destination has exactly |
| * the same CPU model as the source. |
| */ |
| |
| #if defined(TARGET_PPC64) |
| if (cpu->compat_pvr) { |
| uint32_t compat_pvr = cpu->compat_pvr; |
| Error *local_err = NULL; |
| |
| cpu->compat_pvr = 0; |
| ppc_set_compat(cpu, compat_pvr, &local_err); |
| if (local_err) { |
| error_report_err(local_err); |
| return -1; |
| } |
| } else |
| #endif |
| { |
| if (!pvr_match(cpu, env->spr[SPR_PVR])) { |
| return -1; |
| } |
| } |
| |
| /* |
| * If we're running with KVM HV, there is a chance that the guest |
| * is running with KVM HV and its kernel does not have the |
| * capability of dealing with a different PVR other than this |
| * exact host PVR in KVM_SET_SREGS. If that happens, the |
| * guest freezes after migration. |
| * |
| * The function kvmppc_pvr_workaround_required does this verification |
| * by first checking if the kernel has the cap, returning true immediately |
| * if that is the case. Otherwise, it checks if we're running in KVM PR. |
| * If the guest kernel does not have the cap and we're not running KVM-PR |
| * (so, it is running KVM-HV), we need to ensure that KVM_SET_SREGS will |
| * receive the PVR it expects as a workaround. |
| * |
| */ |
| if (kvmppc_pvr_workaround_required(cpu)) { |
| env->spr[SPR_PVR] = env->spr_cb[SPR_PVR].default_value; |
| } |
| |
| env->lr = env->spr[SPR_LR]; |
| env->ctr = env->spr[SPR_CTR]; |
| cpu_write_xer(env, env->spr[SPR_XER]); |
| #if defined(TARGET_PPC64) |
| env->cfar = env->spr[SPR_CFAR]; |
| #endif |
| env->spe_fscr = env->spr[SPR_BOOKE_SPEFSCR]; |
| |
| for (i = 0; (i < 4) && (i < env->nb_BATs); i++) { |
| env->DBAT[0][i] = env->spr[SPR_DBAT0U + 2 * i]; |
| env->DBAT[1][i] = env->spr[SPR_DBAT0U + 2 * i + 1]; |
| env->IBAT[0][i] = env->spr[SPR_IBAT0U + 2 * i]; |
| env->IBAT[1][i] = env->spr[SPR_IBAT0U + 2 * i + 1]; |
| } |
| for (i = 0; (i < 4) && ((i + 4) < env->nb_BATs); i++) { |
| env->DBAT[0][i + 4] = env->spr[SPR_DBAT4U + 2 * i]; |
| env->DBAT[1][i + 4] = env->spr[SPR_DBAT4U + 2 * i + 1]; |
| env->IBAT[0][i + 4] = env->spr[SPR_IBAT4U + 2 * i]; |
| env->IBAT[1][i + 4] = env->spr[SPR_IBAT4U + 2 * i + 1]; |
| } |
| |
| if (!cpu->vhyp) { |
| ppc_store_sdr1(env, env->spr[SPR_SDR1]); |
| } |
| |
| /* |
| * Invalidate all supported msr bits except MSR_TGPR/MSR_HVB |
| * before restoring |
| */ |
| msr = env->msr; |
| env->msr ^= env->msr_mask & ~((1ULL << MSR_TGPR) | MSR_HVB); |
| ppc_store_msr(env, msr); |
| |
| hreg_compute_mem_idx(env); |
| |
| return 0; |
| } |
| |
| static bool fpu_needed(void *opaque) |
| { |
| PowerPCCPU *cpu = opaque; |
| |
| return cpu->env.insns_flags & PPC_FLOAT; |
| } |
| |
| static const VMStateDescription vmstate_fpu = { |
| .name = "cpu/fpu", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = fpu_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_FPR_ARRAY(env.vsr, PowerPCCPU, 32), |
| VMSTATE_UINTTL(env.fpscr, PowerPCCPU), |
| VMSTATE_END_OF_LIST() |
| }, |
| }; |
| |
| static bool altivec_needed(void *opaque) |
| { |
| PowerPCCPU *cpu = opaque; |
| |
| return cpu->env.insns_flags & PPC_ALTIVEC; |
| } |
| |
| static int get_vscr(QEMUFile *f, void *opaque, size_t size, |
| const VMStateField *field) |
| { |
| PowerPCCPU *cpu = opaque; |
| helper_mtvscr(&cpu->env, qemu_get_be32(f)); |
| return 0; |
| } |
| |
| static int put_vscr(QEMUFile *f, void *opaque, size_t size, |
| const VMStateField *field, QJSON *vmdesc) |
| { |
| PowerPCCPU *cpu = opaque; |
| qemu_put_be32(f, helper_mfvscr(&cpu->env)); |
| return 0; |
| } |
| |
| static const VMStateInfo vmstate_vscr = { |
| .name = "cpu/altivec/vscr", |
| .get = get_vscr, |
| .put = put_vscr, |
| }; |
| |
| static const VMStateDescription vmstate_altivec = { |
| .name = "cpu/altivec", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = altivec_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_AVR_ARRAY(env.vsr, PowerPCCPU, 32), |
| /* |
| * Save the architecture value of the vscr, not the internally |
| * expanded version. Since this architecture value does not |
| * exist in memory to be stored, this requires a but of hoop |
| * jumping. We want OFFSET=0 so that we effectively pass CPU |
| * to the helper functions. |
| */ |
| { |
| .name = "vscr", |
| .version_id = 0, |
| .size = sizeof(uint32_t), |
| .info = &vmstate_vscr, |
| .flags = VMS_SINGLE, |
| .offset = 0 |
| }, |
| VMSTATE_END_OF_LIST() |
| }, |
| }; |
| |
| static bool vsx_needed(void *opaque) |
| { |
| PowerPCCPU *cpu = opaque; |
| |
| return cpu->env.insns_flags2 & PPC2_VSX; |
| } |
| |
| static const VMStateDescription vmstate_vsx = { |
| .name = "cpu/vsx", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = vsx_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_VSR_ARRAY(env.vsr, PowerPCCPU, 32), |
| VMSTATE_END_OF_LIST() |
| }, |
| }; |
| |
| #ifdef TARGET_PPC64 |
| /* Transactional memory state */ |
| static bool tm_needed(void *opaque) |
| { |
| PowerPCCPU *cpu = opaque; |
| CPUPPCState *env = &cpu->env; |
| return msr_ts; |
| } |
| |
| static const VMStateDescription vmstate_tm = { |
| .name = "cpu/tm", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .minimum_version_id_old = 1, |
| .needed = tm_needed, |
| .fields = (VMStateField []) { |
| VMSTATE_UINTTL_ARRAY(env.tm_gpr, PowerPCCPU, 32), |
| VMSTATE_AVR_ARRAY(env.tm_vsr, PowerPCCPU, 64), |
| VMSTATE_UINT64(env.tm_cr, PowerPCCPU), |
| VMSTATE_UINT64(env.tm_lr, PowerPCCPU), |
| VMSTATE_UINT64(env.tm_ctr, PowerPCCPU), |
| VMSTATE_UINT64(env.tm_fpscr, PowerPCCPU), |
| VMSTATE_UINT64(env.tm_amr, PowerPCCPU), |
| VMSTATE_UINT64(env.tm_ppr, PowerPCCPU), |
| VMSTATE_UINT64(env.tm_vrsave, PowerPCCPU), |
| VMSTATE_UINT32(env.tm_vscr, PowerPCCPU), |
| VMSTATE_UINT64(env.tm_dscr, PowerPCCPU), |
| VMSTATE_UINT64(env.tm_tar, PowerPCCPU), |
| VMSTATE_END_OF_LIST() |
| }, |
| }; |
| #endif |
| |
| static bool sr_needed(void *opaque) |
| { |
| #ifdef TARGET_PPC64 |
| PowerPCCPU *cpu = opaque; |
| |
| return !(cpu->env.mmu_model & POWERPC_MMU_64); |
| #else |
| return true; |
| #endif |
| } |
| |
| static const VMStateDescription vmstate_sr = { |
| .name = "cpu/sr", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = sr_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINTTL_ARRAY(env.sr, PowerPCCPU, 32), |
| VMSTATE_END_OF_LIST() |
| }, |
| }; |
| |
| #ifdef TARGET_PPC64 |
| static int get_slbe(QEMUFile *f, void *pv, size_t size, |
| const VMStateField *field) |
| { |
| ppc_slb_t *v = pv; |
| |
| v->esid = qemu_get_be64(f); |
| v->vsid = qemu_get_be64(f); |
| |
| return 0; |
| } |
| |
| static int put_slbe(QEMUFile *f, void *pv, size_t size, |
| const VMStateField *field, QJSON *vmdesc) |
| { |
| ppc_slb_t *v = pv; |
| |
| qemu_put_be64(f, v->esid); |
| qemu_put_be64(f, v->vsid); |
| return 0; |
| } |
| |
| static const VMStateInfo vmstate_info_slbe = { |
| .name = "slbe", |
| .get = get_slbe, |
| .put = put_slbe, |
| }; |
| |
| #define VMSTATE_SLB_ARRAY_V(_f, _s, _n, _v) \ |
| VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_slbe, ppc_slb_t) |
| |
| #define VMSTATE_SLB_ARRAY(_f, _s, _n) \ |
| VMSTATE_SLB_ARRAY_V(_f, _s, _n, 0) |
| |
| static bool slb_needed(void *opaque) |
| { |
| PowerPCCPU *cpu = opaque; |
| |
| /* We don't support any of the old segment table based 64-bit CPUs */ |
| return cpu->env.mmu_model & POWERPC_MMU_64; |
| } |
| |
| static int slb_post_load(void *opaque, int version_id) |
| { |
| PowerPCCPU *cpu = opaque; |
| CPUPPCState *env = &cpu->env; |
| int i; |
| |
| /* |
| * We've pulled in the raw esid and vsid values from the migration |
| * stream, but we need to recompute the page size pointers |
| */ |
| for (i = 0; i < cpu->hash64_opts->slb_size; i++) { |
| if (ppc_store_slb(cpu, i, env->slb[i].esid, env->slb[i].vsid) < 0) { |
| /* Migration source had bad values in its SLB */ |
| return -1; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static const VMStateDescription vmstate_slb = { |
| .name = "cpu/slb", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = slb_needed, |
| .post_load = slb_post_load, |
| .fields = (VMStateField[]) { |
| VMSTATE_INT32_TEST(mig_slb_nr, PowerPCCPU, cpu_pre_3_0_migration), |
| VMSTATE_SLB_ARRAY(env.slb, PowerPCCPU, MAX_SLB_ENTRIES), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| #endif /* TARGET_PPC64 */ |
| |
| static const VMStateDescription vmstate_tlb6xx_entry = { |
| .name = "cpu/tlb6xx_entry", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINTTL(pte0, ppc6xx_tlb_t), |
| VMSTATE_UINTTL(pte1, ppc6xx_tlb_t), |
| VMSTATE_UINTTL(EPN, ppc6xx_tlb_t), |
| VMSTATE_END_OF_LIST() |
| }, |
| }; |
| |
| static bool tlb6xx_needed(void *opaque) |
| { |
| PowerPCCPU *cpu = opaque; |
| CPUPPCState *env = &cpu->env; |
| |
| return env->nb_tlb && (env->tlb_type == TLB_6XX); |
| } |
| |
| static const VMStateDescription vmstate_tlb6xx = { |
| .name = "cpu/tlb6xx", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = tlb6xx_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_INT32_EQUAL(env.nb_tlb, PowerPCCPU, NULL), |
| VMSTATE_STRUCT_VARRAY_POINTER_INT32(env.tlb.tlb6, PowerPCCPU, |
| env.nb_tlb, |
| vmstate_tlb6xx_entry, |
| ppc6xx_tlb_t), |
| VMSTATE_UINTTL_ARRAY(env.tgpr, PowerPCCPU, 4), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| static const VMStateDescription vmstate_tlbemb_entry = { |
| .name = "cpu/tlbemb_entry", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINT64(RPN, ppcemb_tlb_t), |
| VMSTATE_UINTTL(EPN, ppcemb_tlb_t), |
| VMSTATE_UINTTL(PID, ppcemb_tlb_t), |
| VMSTATE_UINTTL(size, ppcemb_tlb_t), |
| VMSTATE_UINT32(prot, ppcemb_tlb_t), |
| VMSTATE_UINT32(attr, ppcemb_tlb_t), |
| VMSTATE_END_OF_LIST() |
| }, |
| }; |
| |
| static bool tlbemb_needed(void *opaque) |
| { |
| PowerPCCPU *cpu = opaque; |
| CPUPPCState *env = &cpu->env; |
| |
| return env->nb_tlb && (env->tlb_type == TLB_EMB); |
| } |
| |
| static bool pbr403_needed(void *opaque) |
| { |
| PowerPCCPU *cpu = opaque; |
| uint32_t pvr = cpu->env.spr[SPR_PVR]; |
| |
| return (pvr & 0xffff0000) == 0x00200000; |
| } |
| |
| static const VMStateDescription vmstate_pbr403 = { |
| .name = "cpu/pbr403", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = pbr403_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINTTL_ARRAY(env.pb, PowerPCCPU, 4), |
| VMSTATE_END_OF_LIST() |
| }, |
| }; |
| |
| static const VMStateDescription vmstate_tlbemb = { |
| .name = "cpu/tlb6xx", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = tlbemb_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_INT32_EQUAL(env.nb_tlb, PowerPCCPU, NULL), |
| VMSTATE_STRUCT_VARRAY_POINTER_INT32(env.tlb.tlbe, PowerPCCPU, |
| env.nb_tlb, |
| vmstate_tlbemb_entry, |
| ppcemb_tlb_t), |
| /* 403 protection registers */ |
| VMSTATE_END_OF_LIST() |
| }, |
| .subsections = (const VMStateDescription*[]) { |
| &vmstate_pbr403, |
| NULL |
| } |
| }; |
| |
| static const VMStateDescription vmstate_tlbmas_entry = { |
| .name = "cpu/tlbmas_entry", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINT32(mas8, ppcmas_tlb_t), |
| VMSTATE_UINT32(mas1, ppcmas_tlb_t), |
| VMSTATE_UINT64(mas2, ppcmas_tlb_t), |
| VMSTATE_UINT64(mas7_3, ppcmas_tlb_t), |
| VMSTATE_END_OF_LIST() |
| }, |
| }; |
| |
| static bool tlbmas_needed(void *opaque) |
| { |
| PowerPCCPU *cpu = opaque; |
| CPUPPCState *env = &cpu->env; |
| |
| return env->nb_tlb && (env->tlb_type == TLB_MAS); |
| } |
| |
| static const VMStateDescription vmstate_tlbmas = { |
| .name = "cpu/tlbmas", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = tlbmas_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_INT32_EQUAL(env.nb_tlb, PowerPCCPU, NULL), |
| VMSTATE_STRUCT_VARRAY_POINTER_INT32(env.tlb.tlbm, PowerPCCPU, |
| env.nb_tlb, |
| vmstate_tlbmas_entry, |
| ppcmas_tlb_t), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| static bool compat_needed(void *opaque) |
| { |
| PowerPCCPU *cpu = opaque; |
| |
| assert(!(cpu->compat_pvr && !cpu->vhyp)); |
| return !cpu->pre_2_10_migration && cpu->compat_pvr != 0; |
| } |
| |
| static const VMStateDescription vmstate_compat = { |
| .name = "cpu/compat", |
| .version_id = 1, |
| .minimum_version_id = 1, |
| .needed = compat_needed, |
| .fields = (VMStateField[]) { |
| VMSTATE_UINT32(compat_pvr, PowerPCCPU), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| const VMStateDescription vmstate_ppc_cpu = { |
| .name = "cpu", |
| .version_id = 5, |
| .minimum_version_id = 5, |
| .minimum_version_id_old = 4, |
| .load_state_old = cpu_load_old, |
| .pre_save = cpu_pre_save, |
| .post_load = cpu_post_load, |
| .fields = (VMStateField[]) { |
| VMSTATE_UNUSED(sizeof(target_ulong)), /* was _EQUAL(env.spr[SPR_PVR]) */ |
| |
| /* User mode architected state */ |
| VMSTATE_UINTTL_ARRAY(env.gpr, PowerPCCPU, 32), |
| #if !defined(TARGET_PPC64) |
| VMSTATE_UINTTL_ARRAY(env.gprh, PowerPCCPU, 32), |
| #endif |
| VMSTATE_UINT32_ARRAY(env.crf, PowerPCCPU, 8), |
| VMSTATE_UINTTL(env.nip, PowerPCCPU), |
| |
| /* SPRs */ |
| VMSTATE_UINTTL_ARRAY(env.spr, PowerPCCPU, 1024), |
| VMSTATE_UINT64(env.spe_acc, PowerPCCPU), |
| |
| /* Reservation */ |
| VMSTATE_UINTTL(env.reserve_addr, PowerPCCPU), |
| |
| /* Supervisor mode architected state */ |
| VMSTATE_UINTTL(env.msr, PowerPCCPU), |
| |
| /* Internal state */ |
| VMSTATE_UINTTL(env.hflags_nmsr, PowerPCCPU), |
| /* FIXME: access_type? */ |
| |
| /* Sanity checking */ |
| VMSTATE_UINTTL_TEST(mig_msr_mask, PowerPCCPU, cpu_pre_2_8_migration), |
| VMSTATE_UINT64_TEST(mig_insns_flags, PowerPCCPU, cpu_pre_2_8_migration), |
| VMSTATE_UINT64_TEST(mig_insns_flags2, PowerPCCPU, |
| cpu_pre_2_8_migration), |
| VMSTATE_UINT32_TEST(mig_nb_BATs, PowerPCCPU, cpu_pre_2_8_migration), |
| VMSTATE_END_OF_LIST() |
| }, |
| .subsections = (const VMStateDescription*[]) { |
| &vmstate_fpu, |
| &vmstate_altivec, |
| &vmstate_vsx, |
| &vmstate_sr, |
| #ifdef TARGET_PPC64 |
| &vmstate_tm, |
| &vmstate_slb, |
| #endif /* TARGET_PPC64 */ |
| &vmstate_tlb6xx, |
| &vmstate_tlbemb, |
| &vmstate_tlbmas, |
| &vmstate_compat, |
| NULL |
| } |
| }; |
