/* * S390x machine definitions and functions * * Copyright IBM Corp. 2014, 2018 * * Authors: * Thomas Huth * Christian Borntraeger * Jason J. Herne * * This work is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2 of the License, * or (at your option) any later version. */ #include "qemu/osdep.h" #include "cpu.h" #include "s390x-internal.h" #include "kvm_s390x.h" #include "migration/vmstate.h" #include "tcg/tcg_s390x.h" #include "sysemu/kvm.h" #include "sysemu/tcg.h" static int cpu_post_load(void *opaque, int version_id) { S390CPU *cpu = opaque; /* * As the cpu state is pushed to kvm via kvm_set_mp_state rather * than via cpu_synchronize_state, we need update kvm here. */ if (kvm_enabled()) { kvm_s390_set_cpu_state(cpu, cpu->env.cpu_state); return kvm_s390_vcpu_interrupt_post_load(cpu); } if (tcg_enabled()) { /* Rearm the CKC timer if necessary */ tcg_s390_tod_updated(CPU(cpu), RUN_ON_CPU_NULL); } return 0; } static int cpu_pre_save(void *opaque) { S390CPU *cpu = opaque; if (kvm_enabled()) { kvm_s390_vcpu_interrupt_pre_save(cpu); } return 0; } static inline bool fpu_needed(void *opaque) { /* This looks odd, but we might want to NOT transfer fprs in the future */ return true; } static const VMStateDescription vmstate_fpu = { .name = "cpu/fpu", .version_id = 1, .minimum_version_id = 1, .needed = fpu_needed, .fields = (VMStateField[]) { VMSTATE_UINT64(env.vregs[0][0], S390CPU), VMSTATE_UINT64(env.vregs[1][0], S390CPU), VMSTATE_UINT64(env.vregs[2][0], S390CPU), VMSTATE_UINT64(env.vregs[3][0], S390CPU), VMSTATE_UINT64(env.vregs[4][0], S390CPU), VMSTATE_UINT64(env.vregs[5][0], S390CPU), VMSTATE_UINT64(env.vregs[6][0], S390CPU), VMSTATE_UINT64(env.vregs[7][0], S390CPU), VMSTATE_UINT64(env.vregs[8][0], S390CPU), VMSTATE_UINT64(env.vregs[9][0], S390CPU), VMSTATE_UINT64(env.vregs[10][0], S390CPU), VMSTATE_UINT64(env.vregs[11][0], S390CPU), VMSTATE_UINT64(env.vregs[12][0], S390CPU), VMSTATE_UINT64(env.vregs[13][0], S390CPU), VMSTATE_UINT64(env.vregs[14][0], S390CPU), VMSTATE_UINT64(env.vregs[15][0], S390CPU), VMSTATE_UINT32(env.fpc, S390CPU), VMSTATE_END_OF_LIST() } }; static bool vregs_needed(void *opaque) { return s390_has_feat(S390_FEAT_VECTOR); } static const VMStateDescription vmstate_vregs = { .name = "cpu/vregs", .version_id = 1, .minimum_version_id = 1, .needed = vregs_needed, .fields = (VMStateField[]) { /* vregs[0][0] -> vregs[15][0] and fregs are overlays */ VMSTATE_UINT64(env.vregs[16][0], S390CPU), VMSTATE_UINT64(env.vregs[17][0], S390CPU), VMSTATE_UINT64(env.vregs[18][0], S390CPU), VMSTATE_UINT64(env.vregs[19][0], S390CPU), VMSTATE_UINT64(env.vregs[20][0], S390CPU), VMSTATE_UINT64(env.vregs[21][0], S390CPU), VMSTATE_UINT64(env.vregs[22][0], S390CPU), VMSTATE_UINT64(env.vregs[23][0], S390CPU), VMSTATE_UINT64(env.vregs[24][0], S390CPU), VMSTATE_UINT64(env.vregs[25][0], S390CPU), VMSTATE_UINT64(env.vregs[26][0], S390CPU), VMSTATE_UINT64(env.vregs[27][0], S390CPU), VMSTATE_UINT64(env.vregs[28][0], S390CPU), VMSTATE_UINT64(env.vregs[29][0], S390CPU), VMSTATE_UINT64(env.vregs[30][0], S390CPU), VMSTATE_UINT64(env.vregs[31][0], S390CPU), VMSTATE_UINT64(env.vregs[0][1], S390CPU), VMSTATE_UINT64(env.vregs[1][1], S390CPU), VMSTATE_UINT64(env.vregs[2][1], S390CPU), VMSTATE_UINT64(env.vregs[3][1], S390CPU), VMSTATE_UINT64(env.vregs[4][1], S390CPU), VMSTATE_UINT64(env.vregs[5][1], S390CPU), VMSTATE_UINT64(env.vregs[6][1], S390CPU), VMSTATE_UINT64(env.vregs[7][1], S390CPU), VMSTATE_UINT64(env.vregs[8][1], S390CPU), VMSTATE_UINT64(env.vregs[9][1], S390CPU), VMSTATE_UINT64(env.vregs[10][1], S390CPU), VMSTATE_UINT64(env.vregs[11][1], S390CPU), VMSTATE_UINT64(env.vregs[12][1], S390CPU), VMSTATE_UINT64(env.vregs[13][1], S390CPU), VMSTATE_UINT64(env.vregs[14][1], S390CPU), VMSTATE_UINT64(env.vregs[15][1], S390CPU), VMSTATE_UINT64(env.vregs[16][1], S390CPU), VMSTATE_UINT64(env.vregs[17][1], S390CPU), VMSTATE_UINT64(env.vregs[18][1], S390CPU), VMSTATE_UINT64(env.vregs[19][1], S390CPU), VMSTATE_UINT64(env.vregs[20][1], S390CPU), VMSTATE_UINT64(env.vregs[21][1], S390CPU), VMSTATE_UINT64(env.vregs[22][1], S390CPU), VMSTATE_UINT64(env.vregs[23][1], S390CPU), VMSTATE_UINT64(env.vregs[24][1], S390CPU), VMSTATE_UINT64(env.vregs[25][1], S390CPU), VMSTATE_UINT64(env.vregs[26][1], S390CPU), VMSTATE_UINT64(env.vregs[27][1], S390CPU), VMSTATE_UINT64(env.vregs[28][1], S390CPU), VMSTATE_UINT64(env.vregs[29][1], S390CPU), VMSTATE_UINT64(env.vregs[30][1], S390CPU), VMSTATE_UINT64(env.vregs[31][1], S390CPU), VMSTATE_END_OF_LIST() } }; static bool riccb_needed(void *opaque) { return s390_has_feat(S390_FEAT_RUNTIME_INSTRUMENTATION); } const VMStateDescription vmstate_riccb = { .name = "cpu/riccb", .version_id = 1, .minimum_version_id = 1, .needed = riccb_needed, .fields = (VMStateField[]) { VMSTATE_UINT8_ARRAY(env.riccb, S390CPU, 64), VMSTATE_END_OF_LIST() } }; static bool exval_needed(void *opaque) { S390CPU *cpu = opaque; return cpu->env.ex_value != 0; } const VMStateDescription vmstate_exval = { .name = "cpu/exval", .version_id = 1, .minimum_version_id = 1, .needed = exval_needed, .fields = (VMStateField[]) { VMSTATE_UINT64(env.ex_value, S390CPU), VMSTATE_END_OF_LIST() } }; static bool gscb_needed(void *opaque) { return s390_has_feat(S390_FEAT_GUARDED_STORAGE); } const VMStateDescription vmstate_gscb = { .name = "cpu/gscb", .version_id = 1, .minimum_version_id = 1, .needed = gscb_needed, .fields = (VMStateField[]) { VMSTATE_UINT64_ARRAY(env.gscb, S390CPU, 4), VMSTATE_END_OF_LIST() } }; static bool bpbc_needed(void *opaque) { return s390_has_feat(S390_FEAT_BPB); } const VMStateDescription vmstate_bpbc = { .name = "cpu/bpbc", .version_id = 1, .minimum_version_id = 1, .needed = bpbc_needed, .fields = (VMStateField[]) { VMSTATE_BOOL(env.bpbc, S390CPU), VMSTATE_END_OF_LIST() } }; static bool etoken_needed(void *opaque) { return s390_has_feat(S390_FEAT_ETOKEN); } const VMStateDescription vmstate_etoken = { .name = "cpu/etoken", .version_id = 1, .minimum_version_id = 1, .needed = etoken_needed, .fields = (VMStateField[]) { VMSTATE_UINT64(env.etoken, S390CPU), VMSTATE_UINT64(env.etoken_extension, S390CPU), VMSTATE_END_OF_LIST() } }; static bool diag318_needed(void *opaque) { return s390_has_feat(S390_FEAT_DIAG_318); } const VMStateDescription vmstate_diag318 = { .name = "cpu/diag318", .version_id = 1, .minimum_version_id = 1, .needed = diag318_needed, .fields = (VMStateField[]) { VMSTATE_UINT64(env.diag318_info, S390CPU), VMSTATE_END_OF_LIST() } }; const VMStateDescription vmstate_s390_cpu = { .name = "cpu", .post_load = cpu_post_load, .pre_save = cpu_pre_save, .version_id = 4, .minimum_version_id = 3, .fields = (VMStateField[]) { VMSTATE_UINT64_ARRAY(env.regs, S390CPU, 16), VMSTATE_UINT64(env.psw.mask, S390CPU), VMSTATE_UINT64(env.psw.addr, S390CPU), VMSTATE_UINT64(env.psa, S390CPU), VMSTATE_UINT32(env.todpr, S390CPU), VMSTATE_UINT64(env.pfault_token, S390CPU), VMSTATE_UINT64(env.pfault_compare, S390CPU), VMSTATE_UINT64(env.pfault_select, S390CPU), VMSTATE_UINT64(env.cputm, S390CPU), VMSTATE_UINT64(env.ckc, S390CPU), VMSTATE_UINT64(env.gbea, S390CPU), VMSTATE_UINT64(env.pp, S390CPU), VMSTATE_UINT32_ARRAY(env.aregs, S390CPU, 16), VMSTATE_UINT64_ARRAY(env.cregs, S390CPU, 16), VMSTATE_UINT8(env.cpu_state, S390CPU), VMSTATE_UINT8(env.sigp_order, S390CPU), VMSTATE_UINT32_V(irqstate_saved_size, S390CPU, 4), VMSTATE_VBUFFER_UINT32(irqstate, S390CPU, 4, NULL, irqstate_saved_size), VMSTATE_END_OF_LIST() }, .subsections = (const VMStateDescription*[]) { &vmstate_fpu, &vmstate_vregs, &vmstate_riccb, &vmstate_exval, &vmstate_gscb, &vmstate_bpbc, &vmstate_etoken, &vmstate_diag318, NULL }, };