machine.c (6439B)
1 #include "qemu/osdep.h" 2 #include "cpu.h" 3 #include "exec/exec-all.h" 4 #include "qemu/timer.h" 5 6 #include "migration/cpu.h" 7 8 #ifdef TARGET_SPARC64 9 static const VMStateDescription vmstate_cpu_timer = { 10 .name = "cpu_timer", 11 .version_id = 1, 12 .minimum_version_id = 1, 13 .fields = (VMStateField[]) { 14 VMSTATE_UINT32(frequency, CPUTimer), 15 VMSTATE_UINT32(disabled, CPUTimer), 16 VMSTATE_UINT64(disabled_mask, CPUTimer), 17 VMSTATE_UINT32(npt, CPUTimer), 18 VMSTATE_UINT64(npt_mask, CPUTimer), 19 VMSTATE_INT64(clock_offset, CPUTimer), 20 VMSTATE_TIMER_PTR(qtimer, CPUTimer), 21 VMSTATE_END_OF_LIST() 22 } 23 }; 24 25 #define VMSTATE_CPU_TIMER(_f, _s) \ 26 VMSTATE_STRUCT_POINTER(_f, _s, vmstate_cpu_timer, CPUTimer) 27 28 static const VMStateDescription vmstate_trap_state = { 29 .name = "trap_state", 30 .version_id = 1, 31 .minimum_version_id = 1, 32 .fields = (VMStateField[]) { 33 VMSTATE_UINT64(tpc, trap_state), 34 VMSTATE_UINT64(tnpc, trap_state), 35 VMSTATE_UINT64(tstate, trap_state), 36 VMSTATE_UINT32(tt, trap_state), 37 VMSTATE_END_OF_LIST() 38 } 39 }; 40 41 static const VMStateDescription vmstate_tlb_entry = { 42 .name = "tlb_entry", 43 .version_id = 1, 44 .minimum_version_id = 1, 45 .fields = (VMStateField[]) { 46 VMSTATE_UINT64(tag, SparcTLBEntry), 47 VMSTATE_UINT64(tte, SparcTLBEntry), 48 VMSTATE_END_OF_LIST() 49 } 50 }; 51 #endif 52 53 static int get_psr(QEMUFile *f, void *opaque, size_t size, 54 const VMStateField *field) 55 { 56 SPARCCPU *cpu = opaque; 57 CPUSPARCState *env = &cpu->env; 58 uint32_t val = qemu_get_be32(f); 59 60 /* needed to ensure that the wrapping registers are correctly updated */ 61 env->cwp = 0; 62 cpu_put_psr_raw(env, val); 63 64 return 0; 65 } 66 67 static int put_psr(QEMUFile *f, void *opaque, size_t size, 68 const VMStateField *field, JSONWriter *vmdesc) 69 { 70 SPARCCPU *cpu = opaque; 71 CPUSPARCState *env = &cpu->env; 72 uint32_t val; 73 74 val = cpu_get_psr(env); 75 76 qemu_put_be32(f, val); 77 return 0; 78 } 79 80 static const VMStateInfo vmstate_psr = { 81 .name = "psr", 82 .get = get_psr, 83 .put = put_psr, 84 }; 85 86 static int cpu_pre_save(void *opaque) 87 { 88 SPARCCPU *cpu = opaque; 89 CPUSPARCState *env = &cpu->env; 90 91 /* if env->cwp == env->nwindows - 1, this will set the ins of the last 92 * window as the outs of the first window 93 */ 94 cpu_set_cwp(env, env->cwp); 95 96 return 0; 97 } 98 99 /* 32-bit SPARC retains migration compatibility with older versions 100 * of QEMU; 64-bit SPARC has had a migration break since then, so the 101 * versions are different. 102 */ 103 #ifndef TARGET_SPARC64 104 #define SPARC_VMSTATE_VER 7 105 #else 106 #define SPARC_VMSTATE_VER 9 107 #endif 108 109 const VMStateDescription vmstate_sparc_cpu = { 110 .name = "cpu", 111 .version_id = SPARC_VMSTATE_VER, 112 .minimum_version_id = SPARC_VMSTATE_VER, 113 .pre_save = cpu_pre_save, 114 .fields = (VMStateField[]) { 115 VMSTATE_UINTTL_ARRAY(env.gregs, SPARCCPU, 8), 116 VMSTATE_UINT32(env.nwindows, SPARCCPU), 117 VMSTATE_VARRAY_MULTIPLY(env.regbase, SPARCCPU, env.nwindows, 16, 118 vmstate_info_uinttl, target_ulong), 119 VMSTATE_CPUDOUBLE_ARRAY(env.fpr, SPARCCPU, TARGET_DPREGS), 120 VMSTATE_UINTTL(env.pc, SPARCCPU), 121 VMSTATE_UINTTL(env.npc, SPARCCPU), 122 VMSTATE_UINTTL(env.y, SPARCCPU), 123 { 124 125 .name = "psr", 126 .version_id = 0, 127 .size = sizeof(uint32_t), 128 .info = &vmstate_psr, 129 .flags = VMS_SINGLE, 130 .offset = 0, 131 }, 132 VMSTATE_UINTTL(env.fsr, SPARCCPU), 133 VMSTATE_UINTTL(env.tbr, SPARCCPU), 134 VMSTATE_INT32(env.interrupt_index, SPARCCPU), 135 VMSTATE_UINT32(env.pil_in, SPARCCPU), 136 #ifndef TARGET_SPARC64 137 /* MMU */ 138 VMSTATE_UINT32(env.wim, SPARCCPU), 139 VMSTATE_UINT32_ARRAY(env.mmuregs, SPARCCPU, 32), 140 VMSTATE_UINT64_ARRAY(env.mxccdata, SPARCCPU, 4), 141 VMSTATE_UINT64_ARRAY(env.mxccregs, SPARCCPU, 8), 142 VMSTATE_UINT32(env.mmubpctrv, SPARCCPU), 143 VMSTATE_UINT32(env.mmubpctrc, SPARCCPU), 144 VMSTATE_UINT32(env.mmubpctrs, SPARCCPU), 145 VMSTATE_UINT64(env.mmubpaction, SPARCCPU), 146 VMSTATE_UINT64_ARRAY(env.mmubpregs, SPARCCPU, 4), 147 #else 148 VMSTATE_UINT64(env.lsu, SPARCCPU), 149 VMSTATE_UINT64_ARRAY(env.immu.mmuregs, SPARCCPU, 16), 150 VMSTATE_UINT64_ARRAY(env.dmmu.mmuregs, SPARCCPU, 16), 151 VMSTATE_STRUCT_ARRAY(env.itlb, SPARCCPU, 64, 0, 152 vmstate_tlb_entry, SparcTLBEntry), 153 VMSTATE_STRUCT_ARRAY(env.dtlb, SPARCCPU, 64, 0, 154 vmstate_tlb_entry, SparcTLBEntry), 155 VMSTATE_UINT32(env.mmu_version, SPARCCPU), 156 VMSTATE_STRUCT_ARRAY(env.ts, SPARCCPU, MAXTL_MAX, 0, 157 vmstate_trap_state, trap_state), 158 VMSTATE_UINT32(env.xcc, SPARCCPU), 159 VMSTATE_UINT32(env.asi, SPARCCPU), 160 VMSTATE_UINT32(env.pstate, SPARCCPU), 161 VMSTATE_UINT32(env.tl, SPARCCPU), 162 VMSTATE_UINT32(env.cansave, SPARCCPU), 163 VMSTATE_UINT32(env.canrestore, SPARCCPU), 164 VMSTATE_UINT32(env.otherwin, SPARCCPU), 165 VMSTATE_UINT32(env.wstate, SPARCCPU), 166 VMSTATE_UINT32(env.cleanwin, SPARCCPU), 167 VMSTATE_UINT64_ARRAY(env.agregs, SPARCCPU, 8), 168 VMSTATE_UINT64_ARRAY(env.bgregs, SPARCCPU, 8), 169 VMSTATE_UINT64_ARRAY(env.igregs, SPARCCPU, 8), 170 VMSTATE_UINT64_ARRAY(env.mgregs, SPARCCPU, 8), 171 VMSTATE_UINT64(env.fprs, SPARCCPU), 172 VMSTATE_UINT64(env.tick_cmpr, SPARCCPU), 173 VMSTATE_UINT64(env.stick_cmpr, SPARCCPU), 174 VMSTATE_CPU_TIMER(env.tick, SPARCCPU), 175 VMSTATE_CPU_TIMER(env.stick, SPARCCPU), 176 VMSTATE_UINT64(env.gsr, SPARCCPU), 177 VMSTATE_UINT32(env.gl, SPARCCPU), 178 VMSTATE_UINT64(env.hpstate, SPARCCPU), 179 VMSTATE_UINT64_ARRAY(env.htstate, SPARCCPU, MAXTL_MAX), 180 VMSTATE_UINT64(env.hintp, SPARCCPU), 181 VMSTATE_UINT64(env.htba, SPARCCPU), 182 VMSTATE_UINT64(env.hver, SPARCCPU), 183 VMSTATE_UINT64(env.hstick_cmpr, SPARCCPU), 184 VMSTATE_UINT64(env.ssr, SPARCCPU), 185 VMSTATE_CPU_TIMER(env.hstick, SPARCCPU), 186 /* On SPARC32 env.psrpil and env.cwp are migrated as part of the PSR */ 187 VMSTATE_UINT32(env.psrpil, SPARCCPU), 188 VMSTATE_UINT32(env.cwp, SPARCCPU), 189 #endif 190 VMSTATE_END_OF_LIST() 191 }, 192 };