target-sparc/machine.c

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