target-sparc/machine.c

   1 #include "qemu/osdep.h"
   2 #include "qemu-common.h"
   3 #include "cpu.h"
   4 #include "exec/exec-all.h"
   5 #include "hw/hw.h"
   6 #include "hw/boards.h"
   7 #include "qemu/timer.h"
   8
   9 #include "cpu.h"
  10 #include "exec/exec-all.h"
  11 #include "migration/cpu.h"
  12 #include "exec/exec-all.h"
  13
  14 #ifdef TARGET_SPARC64
  15 static const VMStateDescription vmstate_cpu_timer = {
  16     .name = "cpu_timer",
  17     .version_id = 1,
  18     .minimum_version_id = 1,
  19     .minimum_version_id_old = 1,
  20     .fields = (VMStateField[]) {
  21         VMSTATE_UINT32(frequency, CPUTimer),
  22         VMSTATE_UINT32(disabled, CPUTimer),
  23         VMSTATE_UINT64(disabled_mask, CPUTimer),
  24         VMSTATE_UINT32(npt, CPUTimer),
  25         VMSTATE_UINT64(npt_mask, CPUTimer),
  26         VMSTATE_INT64(clock_offset, CPUTimer),
  27         VMSTATE_TIMER_PTR(qtimer, CPUTimer),
  28         VMSTATE_END_OF_LIST()
  29     }
  30 };
  31
  32 #define VMSTATE_CPU_TIMER(_f, _s)                             \
  33     VMSTATE_STRUCT_POINTER(_f, _s, vmstate_cpu_timer, CPUTimer)
  34
  35 static const VMStateDescription vmstate_trap_state = {
  36     .name = "trap_state",
  37     .version_id = 1,
  38     .minimum_version_id = 1,
  39     .minimum_version_id_old = 1,
  40     .fields = (VMStateField[]) {
  41         VMSTATE_UINT64(tpc, trap_state),
  42         VMSTATE_UINT64(tnpc, trap_state),
  43         VMSTATE_UINT64(tstate, trap_state),
  44         VMSTATE_UINT32(tt, trap_state),
  45         VMSTATE_END_OF_LIST()
  46     }
  47 };
  48
  49 static const VMStateDescription vmstate_tlb_entry = {
  50     .name = "tlb_entry",
  51     .version_id = 1,
  52     .minimum_version_id = 1,
  53     .minimum_version_id_old = 1,
  54     .fields = (VMStateField[]) {
  55         VMSTATE_UINT64(tag, SparcTLBEntry),
  56         VMSTATE_UINT64(tte, SparcTLBEntry),
  57         VMSTATE_END_OF_LIST()
  58     }
  59 };
  60 #endif
  61
  62 static int get_psr(QEMUFile *f, void *opaque, size_t size)
  63 {
  64     SPARCCPU *cpu = opaque;
  65     CPUSPARCState *env = &cpu->env;
  66     uint32_t val = qemu_get_be32(f);
  67
  68     /* needed to ensure that the wrapping registers are correctly updated */
  69     env->cwp = 0;
  70     cpu_put_psr_raw(env, val);
  71
  72     return 0;
  73 }
  74
  75 static void put_psr(QEMUFile *f, void *opaque, size_t size)
  76 {
  77     SPARCCPU *cpu = opaque;
  78     CPUSPARCState *env = &cpu->env;
  79     uint32_t val;
  80
  81     val = cpu_get_psr(env);
  82
  83     qemu_put_be32(f, val);
  84 }
  85
  86 static const VMStateInfo vmstate_psr = {
  87     .name = "psr",
  88     .get = get_psr,
  89     .put = put_psr,
  90 };
  91
  92 static void cpu_pre_save(void *opaque)
  93 {
  94     SPARCCPU *cpu = opaque;
  95     CPUSPARCState *env = &cpu->env;
  96
  97     /* if env->cwp == env->nwindows - 1, this will set the ins of the last
  98      * window as the outs of the first window
  99      */
 100     cpu_set_cwp(env, env->cwp);
 101 }
 102
 103 /* 32-bit SPARC retains migration compatibility with older versions
 104  * of QEMU; 64-bit SPARC has had a migration break since then, so the
 105  * versions are different.
 106  */
 107 #ifndef TARGET_SPARC64
 108 #define SPARC_VMSTATE_VER 7
 109 #else
 110 #define SPARC_VMSTATE_VER 9
 111 #endif
 112
 113 const VMStateDescription vmstate_sparc_cpu = {
 114     .name = "cpu",
 115     .version_id = SPARC_VMSTATE_VER,
 116     .minimum_version_id = SPARC_VMSTATE_VER,
 117     .minimum_version_id_old = SPARC_VMSTATE_VER,
 118     .pre_save = cpu_pre_save,
 119     .fields = (VMStateField[]) {
 120         VMSTATE_UINTTL_ARRAY(env.gregs, SPARCCPU, 8),
 121         VMSTATE_UINT32(env.nwindows, SPARCCPU),
 122         VMSTATE_VARRAY_MULTIPLY(env.regbase, SPARCCPU, env.nwindows, 16,
 123                                 vmstate_info_uinttl, target_ulong),
 124         VMSTATE_CPUDOUBLE_ARRAY(env.fpr, SPARCCPU, TARGET_DPREGS),
 125         VMSTATE_UINTTL(env.pc, SPARCCPU),
 126         VMSTATE_UINTTL(env.npc, SPARCCPU),
 127         VMSTATE_UINTTL(env.y, SPARCCPU),
 128         {
 129
 130             .name = "psr",
 131             .version_id = 0,
 132             .size = sizeof(uint32_t),
 133             .info = &vmstate_psr,
 134             .flags = VMS_SINGLE,
 135             .offset = 0,
 136         },
 137         VMSTATE_UINTTL(env.fsr, SPARCCPU),
 138         VMSTATE_UINTTL(env.tbr, SPARCCPU),
 139         VMSTATE_INT32(env.interrupt_index, SPARCCPU),
 140         VMSTATE_UINT32(env.pil_in, SPARCCPU),
 141 #ifndef TARGET_SPARC64
 142         /* MMU */
 143         VMSTATE_UINT32(env.wim, SPARCCPU),
 144         VMSTATE_UINT32_ARRAY(env.mmuregs, SPARCCPU, 32),
 145         VMSTATE_UINT64_ARRAY(env.mxccdata, SPARCCPU, 4),
 146         VMSTATE_UINT64_ARRAY(env.mxccregs, SPARCCPU, 8),
 147         VMSTATE_UINT32(env.mmubpctrv, SPARCCPU),
 148         VMSTATE_UINT32(env.mmubpctrc, SPARCCPU),
 149         VMSTATE_UINT32(env.mmubpctrs, SPARCCPU),
 150         VMSTATE_UINT64(env.mmubpaction, SPARCCPU),
 151         VMSTATE_UINT64_ARRAY(env.mmubpregs, SPARCCPU, 4),
 152 #else
 153         VMSTATE_UINT64(env.lsu, SPARCCPU),
 154         VMSTATE_UINT64_ARRAY(env.immuregs, SPARCCPU, 16),
 155         VMSTATE_UINT64_ARRAY(env.dmmuregs, SPARCCPU, 16),
 156         VMSTATE_STRUCT_ARRAY(env.itlb, SPARCCPU, 64, 0,
 157                              vmstate_tlb_entry, SparcTLBEntry),
 158         VMSTATE_STRUCT_ARRAY(env.dtlb, SPARCCPU, 64, 0,
 159                              vmstate_tlb_entry, SparcTLBEntry),
 160         VMSTATE_UINT32(env.mmu_version, SPARCCPU),
 161         VMSTATE_STRUCT_ARRAY(env.ts, SPARCCPU, MAXTL_MAX, 0,
 162                              vmstate_trap_state, trap_state),
 163         VMSTATE_UINT32(env.xcc, SPARCCPU),
 164         VMSTATE_UINT32(env.asi, SPARCCPU),
 165         VMSTATE_UINT32(env.pstate, SPARCCPU),
 166         VMSTATE_UINT32(env.tl, SPARCCPU),
 167         VMSTATE_UINT32(env.cansave, SPARCCPU),
 168         VMSTATE_UINT32(env.canrestore, SPARCCPU),
 169         VMSTATE_UINT32(env.otherwin, SPARCCPU),
 170         VMSTATE_UINT32(env.wstate, SPARCCPU),
 171         VMSTATE_UINT32(env.cleanwin, SPARCCPU),
 172         VMSTATE_UINT64_ARRAY(env.agregs, SPARCCPU, 8),
 173         VMSTATE_UINT64_ARRAY(env.bgregs, SPARCCPU, 8),
 174         VMSTATE_UINT64_ARRAY(env.igregs, SPARCCPU, 8),
 175         VMSTATE_UINT64_ARRAY(env.mgregs, SPARCCPU, 8),
 176         VMSTATE_UINT64(env.fprs, SPARCCPU),
 177         VMSTATE_UINT64(env.tick_cmpr, SPARCCPU),
 178         VMSTATE_UINT64(env.stick_cmpr, SPARCCPU),
 179         VMSTATE_CPU_TIMER(env.tick, SPARCCPU),
 180         VMSTATE_CPU_TIMER(env.stick, SPARCCPU),
 181         VMSTATE_UINT64(env.gsr, SPARCCPU),
 182         VMSTATE_UINT32(env.gl, SPARCCPU),
 183         VMSTATE_UINT64(env.hpstate, SPARCCPU),
 184         VMSTATE_UINT64_ARRAY(env.htstate, SPARCCPU, MAXTL_MAX),
 185         VMSTATE_UINT64(env.hintp, SPARCCPU),
 186         VMSTATE_UINT64(env.htba, SPARCCPU),
 187         VMSTATE_UINT64(env.hver, SPARCCPU),
 188         VMSTATE_UINT64(env.hstick_cmpr, SPARCCPU),
 189         VMSTATE_UINT64(env.ssr, SPARCCPU),
 190         VMSTATE_CPU_TIMER(env.hstick, SPARCCPU),
 191         /* On SPARC32 env.psrpil and env.cwp are migrated as part of the PSR */
 192         VMSTATE_UINT32(env.psrpil, SPARCCPU),
 193         VMSTATE_UINT32(env.cwp, SPARCCPU),
 194 #endif
 195         VMSTATE_END_OF_LIST()
 196     },
 197 };