diff options
author | Alexey Kardashevskiy <aik@ozlabs.ru> | 2014-06-04 22:51:00 +1000 |
---|---|---|
committer | Alexander Graf <agraf@suse.de> | 2014-06-16 13:24:45 +0200 |
commit | 80b3f79b999a334b277137f698c43e7730da4224 (patch) | |
tree | 646ebfc678d2da7932627939d83ac4f167bd1c68 /target-ppc | |
parent | cdcdda27fc843873875e7e444e0164ba2a5e9942 (diff) |
KVM: target-ppc: Enable TM state migration
This adds migration support for registers saved before Transactional
Memory (TM) transaction started.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-ppc')
-rw-r--r-- | target-ppc/cpu.h | 14 | ||||
-rw-r--r-- | target-ppc/kvm.c | 38 | ||||
-rw-r--r-- | target-ppc/machine.c | 35 |
3 files changed, 87 insertions, 0 deletions
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h index a85916ef47..c5837dd073 100644 --- a/target-ppc/cpu.h +++ b/target-ppc/cpu.h @@ -1099,6 +1099,20 @@ struct CPUPPCState { */ uint8_t fit_period[4]; uint8_t wdt_period[4]; + + /* Transactional memory state */ + target_ulong tm_gpr[32]; + ppc_avr_t tm_vsr[64]; + uint64_t tm_cr; + uint64_t tm_lr; + uint64_t tm_ctr; + uint64_t tm_fpscr; + uint64_t tm_amr; + uint64_t tm_ppr; + uint64_t tm_vrsave; + uint32_t tm_vscr; + uint64_t tm_dscr; + uint64_t tm_tar; }; #define SET_FIT_PERIOD(a_, b_, c_, d_) \ diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c index ef691feebc..dfa5a260a0 100644 --- a/target-ppc/kvm.c +++ b/target-ppc/kvm.c @@ -865,6 +865,25 @@ int kvm_arch_put_registers(CPUState *cs, int level) } #ifdef TARGET_PPC64 + if (msr_ts) { + for (i = 0; i < ARRAY_SIZE(env->tm_gpr); i++) { + kvm_set_one_reg(cs, KVM_REG_PPC_TM_GPR(i), &env->tm_gpr[i]); + } + for (i = 0; i < ARRAY_SIZE(env->tm_vsr); i++) { + kvm_set_one_reg(cs, KVM_REG_PPC_TM_VSR(i), &env->tm_vsr[i]); + } + kvm_set_one_reg(cs, KVM_REG_PPC_TM_CR, &env->tm_cr); + kvm_set_one_reg(cs, KVM_REG_PPC_TM_LR, &env->tm_lr); + kvm_set_one_reg(cs, KVM_REG_PPC_TM_CTR, &env->tm_ctr); + kvm_set_one_reg(cs, KVM_REG_PPC_TM_FPSCR, &env->tm_fpscr); + kvm_set_one_reg(cs, KVM_REG_PPC_TM_AMR, &env->tm_amr); + kvm_set_one_reg(cs, KVM_REG_PPC_TM_PPR, &env->tm_ppr); + kvm_set_one_reg(cs, KVM_REG_PPC_TM_VRSAVE, &env->tm_vrsave); + kvm_set_one_reg(cs, KVM_REG_PPC_TM_VSCR, &env->tm_vscr); + kvm_set_one_reg(cs, KVM_REG_PPC_TM_DSCR, &env->tm_dscr); + kvm_set_one_reg(cs, KVM_REG_PPC_TM_TAR, &env->tm_tar); + } + if (cap_papr) { if (kvm_put_vpa(cs) < 0) { DPRINTF("Warning: Unable to set VPA information to KVM\n"); @@ -1091,6 +1110,25 @@ int kvm_arch_get_registers(CPUState *cs) } #ifdef TARGET_PPC64 + if (msr_ts) { + for (i = 0; i < ARRAY_SIZE(env->tm_gpr); i++) { + kvm_get_one_reg(cs, KVM_REG_PPC_TM_GPR(i), &env->tm_gpr[i]); + } + for (i = 0; i < ARRAY_SIZE(env->tm_vsr); i++) { + kvm_get_one_reg(cs, KVM_REG_PPC_TM_VSR(i), &env->tm_vsr[i]); + } + kvm_get_one_reg(cs, KVM_REG_PPC_TM_CR, &env->tm_cr); + kvm_get_one_reg(cs, KVM_REG_PPC_TM_LR, &env->tm_lr); + kvm_get_one_reg(cs, KVM_REG_PPC_TM_CTR, &env->tm_ctr); + kvm_get_one_reg(cs, KVM_REG_PPC_TM_FPSCR, &env->tm_fpscr); + kvm_get_one_reg(cs, KVM_REG_PPC_TM_AMR, &env->tm_amr); + kvm_get_one_reg(cs, KVM_REG_PPC_TM_PPR, &env->tm_ppr); + kvm_get_one_reg(cs, KVM_REG_PPC_TM_VRSAVE, &env->tm_vrsave); + kvm_get_one_reg(cs, KVM_REG_PPC_TM_VSCR, &env->tm_vscr); + kvm_get_one_reg(cs, KVM_REG_PPC_TM_DSCR, &env->tm_dscr); + kvm_get_one_reg(cs, KVM_REG_PPC_TM_TAR, &env->tm_tar); + } + if (cap_papr) { if (kvm_get_vpa(cs) < 0) { DPRINTF("Warning: Unable to get VPA information from KVM\n"); diff --git a/target-ppc/machine.c b/target-ppc/machine.c index c8f9835550..c801b822c9 100644 --- a/target-ppc/machine.c +++ b/target-ppc/machine.c @@ -249,6 +249,38 @@ static const VMStateDescription vmstate_vsx = { }, }; +#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, + .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 @@ -510,6 +542,9 @@ const VMStateDescription vmstate_ppc_cpu = { .needed = sr_needed, } , { #ifdef TARGET_PPC64 + .vmsd = &vmstate_tm, + .needed = tm_needed, + } , { .vmsd = &vmstate_slb, .needed = slb_needed, } , { |