diff options
Diffstat (limited to 'target/sparc/machine.c')
| -rw-r--r-- | target/sparc/machine.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/target/sparc/machine.c b/target/sparc/machine.c new file mode 100644 index 0000000000..aea6397861 --- /dev/null +++ b/target/sparc/machine.c @@ -0,0 +1,194 @@ +#include "qemu/osdep.h" +#include "qemu-common.h" +#include "cpu.h" +#include "exec/exec-all.h" +#include "hw/hw.h" +#include "hw/boards.h" +#include "qemu/timer.h" + +#include "migration/cpu.h" + +#ifdef TARGET_SPARC64 +static const VMStateDescription vmstate_cpu_timer = { + .name = "cpu_timer", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32(frequency, CPUTimer), + VMSTATE_UINT32(disabled, CPUTimer), + VMSTATE_UINT64(disabled_mask, CPUTimer), + VMSTATE_UINT32(npt, CPUTimer), + VMSTATE_UINT64(npt_mask, CPUTimer), + VMSTATE_INT64(clock_offset, CPUTimer), + VMSTATE_TIMER_PTR(qtimer, CPUTimer), + VMSTATE_END_OF_LIST() + } +}; + +#define VMSTATE_CPU_TIMER(_f, _s) \ + VMSTATE_STRUCT_POINTER(_f, _s, vmstate_cpu_timer, CPUTimer) + +static const VMStateDescription vmstate_trap_state = { + .name = "trap_state", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT64(tpc, trap_state), + VMSTATE_UINT64(tnpc, trap_state), + VMSTATE_UINT64(tstate, trap_state), + VMSTATE_UINT32(tt, trap_state), + VMSTATE_END_OF_LIST() + } +}; + +static const VMStateDescription vmstate_tlb_entry = { + .name = "tlb_entry", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT64(tag, SparcTLBEntry), + VMSTATE_UINT64(tte, SparcTLBEntry), + VMSTATE_END_OF_LIST() + } +}; +#endif + +static int get_psr(QEMUFile *f, void *opaque, size_t size) +{ + SPARCCPU *cpu = opaque; + CPUSPARCState *env = &cpu->env; + uint32_t val = qemu_get_be32(f); + + /* needed to ensure that the wrapping registers are correctly updated */ + env->cwp = 0; + cpu_put_psr_raw(env, val); + + return 0; +} + +static void put_psr(QEMUFile *f, void *opaque, size_t size) +{ + SPARCCPU *cpu = opaque; + CPUSPARCState *env = &cpu->env; + uint32_t val; + + val = cpu_get_psr(env); + + qemu_put_be32(f, val); +} + +static const VMStateInfo vmstate_psr = { + .name = "psr", + .get = get_psr, + .put = put_psr, +}; + +static void cpu_pre_save(void *opaque) +{ + SPARCCPU *cpu = opaque; + CPUSPARCState *env = &cpu->env; + + /* if env->cwp == env->nwindows - 1, this will set the ins of the last + * window as the outs of the first window + */ + cpu_set_cwp(env, env->cwp); +} + +/* 32-bit SPARC retains migration compatibility with older versions + * of QEMU; 64-bit SPARC has had a migration break since then, so the + * versions are different. + */ +#ifndef TARGET_SPARC64 +#define SPARC_VMSTATE_VER 7 +#else +#define SPARC_VMSTATE_VER 9 +#endif + +const VMStateDescription vmstate_sparc_cpu = { + .name = "cpu", + .version_id = SPARC_VMSTATE_VER, + .minimum_version_id = SPARC_VMSTATE_VER, + .minimum_version_id_old = SPARC_VMSTATE_VER, + .pre_save = cpu_pre_save, + .fields = (VMStateField[]) { + VMSTATE_UINTTL_ARRAY(env.gregs, SPARCCPU, 8), + VMSTATE_UINT32(env.nwindows, SPARCCPU), + VMSTATE_VARRAY_MULTIPLY(env.regbase, SPARCCPU, env.nwindows, 16, + vmstate_info_uinttl, target_ulong), + VMSTATE_CPUDOUBLE_ARRAY(env.fpr, SPARCCPU, TARGET_DPREGS), + VMSTATE_UINTTL(env.pc, SPARCCPU), + VMSTATE_UINTTL(env.npc, SPARCCPU), + VMSTATE_UINTTL(env.y, SPARCCPU), + { + + .name = "psr", + .version_id = 0, + .size = sizeof(uint32_t), + .info = &vmstate_psr, + .flags = VMS_SINGLE, + .offset = 0, + }, + VMSTATE_UINTTL(env.fsr, SPARCCPU), + VMSTATE_UINTTL(env.tbr, SPARCCPU), + VMSTATE_INT32(env.interrupt_index, SPARCCPU), + VMSTATE_UINT32(env.pil_in, SPARCCPU), +#ifndef TARGET_SPARC64 + /* MMU */ + VMSTATE_UINT32(env.wim, SPARCCPU), + VMSTATE_UINT32_ARRAY(env.mmuregs, SPARCCPU, 32), + VMSTATE_UINT64_ARRAY(env.mxccdata, SPARCCPU, 4), + VMSTATE_UINT64_ARRAY(env.mxccregs, SPARCCPU, 8), + VMSTATE_UINT32(env.mmubpctrv, SPARCCPU), + VMSTATE_UINT32(env.mmubpctrc, SPARCCPU), + VMSTATE_UINT32(env.mmubpctrs, SPARCCPU), + VMSTATE_UINT64(env.mmubpaction, SPARCCPU), + VMSTATE_UINT64_ARRAY(env.mmubpregs, SPARCCPU, 4), +#else + VMSTATE_UINT64(env.lsu, SPARCCPU), + VMSTATE_UINT64_ARRAY(env.immuregs, SPARCCPU, 16), + VMSTATE_UINT64_ARRAY(env.dmmuregs, SPARCCPU, 16), + VMSTATE_STRUCT_ARRAY(env.itlb, SPARCCPU, 64, 0, + vmstate_tlb_entry, SparcTLBEntry), + VMSTATE_STRUCT_ARRAY(env.dtlb, SPARCCPU, 64, 0, + vmstate_tlb_entry, SparcTLBEntry), + VMSTATE_UINT32(env.mmu_version, SPARCCPU), + VMSTATE_STRUCT_ARRAY(env.ts, SPARCCPU, MAXTL_MAX, 0, + vmstate_trap_state, trap_state), + VMSTATE_UINT32(env.xcc, SPARCCPU), + VMSTATE_UINT32(env.asi, SPARCCPU), + VMSTATE_UINT32(env.pstate, SPARCCPU), + VMSTATE_UINT32(env.tl, SPARCCPU), + VMSTATE_UINT32(env.cansave, SPARCCPU), + VMSTATE_UINT32(env.canrestore, SPARCCPU), + VMSTATE_UINT32(env.otherwin, SPARCCPU), + VMSTATE_UINT32(env.wstate, SPARCCPU), + VMSTATE_UINT32(env.cleanwin, SPARCCPU), + VMSTATE_UINT64_ARRAY(env.agregs, SPARCCPU, 8), + VMSTATE_UINT64_ARRAY(env.bgregs, SPARCCPU, 8), + VMSTATE_UINT64_ARRAY(env.igregs, SPARCCPU, 8), + VMSTATE_UINT64_ARRAY(env.mgregs, SPARCCPU, 8), + VMSTATE_UINT64(env.fprs, SPARCCPU), + VMSTATE_UINT64(env.tick_cmpr, SPARCCPU), + VMSTATE_UINT64(env.stick_cmpr, SPARCCPU), + VMSTATE_CPU_TIMER(env.tick, SPARCCPU), + VMSTATE_CPU_TIMER(env.stick, SPARCCPU), + VMSTATE_UINT64(env.gsr, SPARCCPU), + VMSTATE_UINT32(env.gl, SPARCCPU), + VMSTATE_UINT64(env.hpstate, SPARCCPU), + VMSTATE_UINT64_ARRAY(env.htstate, SPARCCPU, MAXTL_MAX), + VMSTATE_UINT64(env.hintp, SPARCCPU), + VMSTATE_UINT64(env.htba, SPARCCPU), + VMSTATE_UINT64(env.hver, SPARCCPU), + VMSTATE_UINT64(env.hstick_cmpr, SPARCCPU), + VMSTATE_UINT64(env.ssr, SPARCCPU), + VMSTATE_CPU_TIMER(env.hstick, SPARCCPU), + /* On SPARC32 env.psrpil and env.cwp are migrated as part of the PSR */ + VMSTATE_UINT32(env.psrpil, SPARCCPU), + VMSTATE_UINT32(env.cwp, SPARCCPU), +#endif + VMSTATE_END_OF_LIST() + }, +}; 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