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-rw-r--r--target/mips/machine.c302
1 files changed, 302 insertions, 0 deletions
diff --git a/target/mips/machine.c b/target/mips/machine.c
new file mode 100644
index 0000000000..d20d948457
--- /dev/null
+++ b/target/mips/machine.c
@@ -0,0 +1,302 @@
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "cpu.h"
+#include "hw/hw.h"
+#include "migration/cpu.h"
+
+static int cpu_post_load(void *opaque, int version_id)
+{
+ MIPSCPU *cpu = opaque;
+ CPUMIPSState *env = &cpu->env;
+
+ restore_fp_status(env);
+ restore_msa_fp_status(env);
+ compute_hflags(env);
+ restore_pamask(env);
+
+ return 0;
+}
+
+/* FPU state */
+
+static int get_fpr(QEMUFile *f, void *pv, size_t size)
+{
+ int i;
+ fpr_t *v = pv;
+ /* Restore entire MSA vector register */
+ for (i = 0; i < MSA_WRLEN/64; i++) {
+ qemu_get_sbe64s(f, &v->wr.d[i]);
+ }
+ return 0;
+}
+
+static void put_fpr(QEMUFile *f, void *pv, size_t size)
+{
+ int i;
+ fpr_t *v = pv;
+ /* Save entire MSA vector register */
+ for (i = 0; i < MSA_WRLEN/64; i++) {
+ qemu_put_sbe64s(f, &v->wr.d[i]);
+ }
+}
+
+const VMStateInfo vmstate_info_fpr = {
+ .name = "fpr",
+ .get = get_fpr,
+ .put = put_fpr,
+};
+
+#define VMSTATE_FPR_ARRAY_V(_f, _s, _n, _v) \
+ VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_fpr, fpr_t)
+
+#define VMSTATE_FPR_ARRAY(_f, _s, _n) \
+ VMSTATE_FPR_ARRAY_V(_f, _s, _n, 0)
+
+static VMStateField vmstate_fpu_fields[] = {
+ VMSTATE_FPR_ARRAY(fpr, CPUMIPSFPUContext, 32),
+ VMSTATE_UINT32(fcr0, CPUMIPSFPUContext),
+ VMSTATE_UINT32(fcr31, CPUMIPSFPUContext),
+ VMSTATE_END_OF_LIST()
+};
+
+const VMStateDescription vmstate_fpu = {
+ .name = "cpu/fpu",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = vmstate_fpu_fields
+};
+
+const VMStateDescription vmstate_inactive_fpu = {
+ .name = "cpu/inactive_fpu",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = vmstate_fpu_fields
+};
+
+/* TC state */
+
+static VMStateField vmstate_tc_fields[] = {
+ VMSTATE_UINTTL_ARRAY(gpr, TCState, 32),
+ VMSTATE_UINTTL(PC, TCState),
+ VMSTATE_UINTTL_ARRAY(HI, TCState, MIPS_DSP_ACC),
+ VMSTATE_UINTTL_ARRAY(LO, TCState, MIPS_DSP_ACC),
+ VMSTATE_UINTTL_ARRAY(ACX, TCState, MIPS_DSP_ACC),
+ VMSTATE_UINTTL(DSPControl, TCState),
+ VMSTATE_INT32(CP0_TCStatus, TCState),
+ VMSTATE_INT32(CP0_TCBind, TCState),
+ VMSTATE_UINTTL(CP0_TCHalt, TCState),
+ VMSTATE_UINTTL(CP0_TCContext, TCState),
+ VMSTATE_UINTTL(CP0_TCSchedule, TCState),
+ VMSTATE_UINTTL(CP0_TCScheFBack, TCState),
+ VMSTATE_INT32(CP0_Debug_tcstatus, TCState),
+ VMSTATE_UINTTL(CP0_UserLocal, TCState),
+ VMSTATE_INT32(msacsr, TCState),
+ VMSTATE_END_OF_LIST()
+};
+
+const VMStateDescription vmstate_tc = {
+ .name = "cpu/tc",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = vmstate_tc_fields
+};
+
+const VMStateDescription vmstate_inactive_tc = {
+ .name = "cpu/inactive_tc",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = vmstate_tc_fields
+};
+
+/* MVP state */
+
+const VMStateDescription vmstate_mvp = {
+ .name = "cpu/mvp",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_INT32(CP0_MVPControl, CPUMIPSMVPContext),
+ VMSTATE_INT32(CP0_MVPConf0, CPUMIPSMVPContext),
+ VMSTATE_INT32(CP0_MVPConf1, CPUMIPSMVPContext),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+/* TLB state */
+
+static int get_tlb(QEMUFile *f, void *pv, size_t size)
+{
+ r4k_tlb_t *v = pv;
+ uint16_t flags;
+
+ qemu_get_betls(f, &v->VPN);
+ qemu_get_be32s(f, &v->PageMask);
+ qemu_get_be16s(f, &v->ASID);
+ qemu_get_be16s(f, &flags);
+ v->G = (flags >> 10) & 1;
+ v->C0 = (flags >> 7) & 3;
+ v->C1 = (flags >> 4) & 3;
+ v->V0 = (flags >> 3) & 1;
+ v->V1 = (flags >> 2) & 1;
+ v->D0 = (flags >> 1) & 1;
+ v->D1 = (flags >> 0) & 1;
+ v->EHINV = (flags >> 15) & 1;
+ v->RI1 = (flags >> 14) & 1;
+ v->RI0 = (flags >> 13) & 1;
+ v->XI1 = (flags >> 12) & 1;
+ v->XI0 = (flags >> 11) & 1;
+ qemu_get_be64s(f, &v->PFN[0]);
+ qemu_get_be64s(f, &v->PFN[1]);
+
+ return 0;
+}
+
+static void put_tlb(QEMUFile *f, void *pv, size_t size)
+{
+ r4k_tlb_t *v = pv;
+
+ uint16_t asid = v->ASID;
+ uint16_t flags = ((v->EHINV << 15) |
+ (v->RI1 << 14) |
+ (v->RI0 << 13) |
+ (v->XI1 << 12) |
+ (v->XI0 << 11) |
+ (v->G << 10) |
+ (v->C0 << 7) |
+ (v->C1 << 4) |
+ (v->V0 << 3) |
+ (v->V1 << 2) |
+ (v->D0 << 1) |
+ (v->D1 << 0));
+
+ qemu_put_betls(f, &v->VPN);
+ qemu_put_be32s(f, &v->PageMask);
+ qemu_put_be16s(f, &asid);
+ qemu_put_be16s(f, &flags);
+ qemu_put_be64s(f, &v->PFN[0]);
+ qemu_put_be64s(f, &v->PFN[1]);
+}
+
+const VMStateInfo vmstate_info_tlb = {
+ .name = "tlb_entry",
+ .get = get_tlb,
+ .put = put_tlb,
+};
+
+#define VMSTATE_TLB_ARRAY_V(_f, _s, _n, _v) \
+ VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_tlb, r4k_tlb_t)
+
+#define VMSTATE_TLB_ARRAY(_f, _s, _n) \
+ VMSTATE_TLB_ARRAY_V(_f, _s, _n, 0)
+
+const VMStateDescription vmstate_tlb = {
+ .name = "cpu/tlb",
+ .version_id = 2,
+ .minimum_version_id = 2,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(nb_tlb, CPUMIPSTLBContext),
+ VMSTATE_UINT32(tlb_in_use, CPUMIPSTLBContext),
+ VMSTATE_TLB_ARRAY(mmu.r4k.tlb, CPUMIPSTLBContext, MIPS_TLB_MAX),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+/* MIPS CPU state */
+
+const VMStateDescription vmstate_mips_cpu = {
+ .name = "cpu",
+ .version_id = 8,
+ .minimum_version_id = 8,
+ .post_load = cpu_post_load,
+ .fields = (VMStateField[]) {
+ /* Active TC */
+ VMSTATE_STRUCT(env.active_tc, MIPSCPU, 1, vmstate_tc, TCState),
+
+ /* Active FPU */
+ VMSTATE_STRUCT(env.active_fpu, MIPSCPU, 1, vmstate_fpu,
+ CPUMIPSFPUContext),
+
+ /* MVP */
+ VMSTATE_STRUCT_POINTER(env.mvp, MIPSCPU, vmstate_mvp,
+ CPUMIPSMVPContext),
+
+ /* TLB */
+ VMSTATE_STRUCT_POINTER(env.tlb, MIPSCPU, vmstate_tlb,
+ CPUMIPSTLBContext),
+
+ /* CPU metastate */
+ VMSTATE_UINT32(env.current_tc, MIPSCPU),
+ VMSTATE_UINT32(env.current_fpu, MIPSCPU),
+ VMSTATE_INT32(env.error_code, MIPSCPU),
+ VMSTATE_UINTTL(env.btarget, MIPSCPU),
+ VMSTATE_UINTTL(env.bcond, MIPSCPU),
+
+ /* Remaining CP0 registers */
+ VMSTATE_INT32(env.CP0_Index, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Random, MIPSCPU),
+ VMSTATE_INT32(env.CP0_VPEControl, MIPSCPU),
+ VMSTATE_INT32(env.CP0_VPEConf0, MIPSCPU),
+ VMSTATE_INT32(env.CP0_VPEConf1, MIPSCPU),
+ VMSTATE_UINTTL(env.CP0_YQMask, MIPSCPU),
+ VMSTATE_UINTTL(env.CP0_VPESchedule, MIPSCPU),
+ VMSTATE_UINTTL(env.CP0_VPEScheFBack, MIPSCPU),
+ VMSTATE_INT32(env.CP0_VPEOpt, MIPSCPU),
+ VMSTATE_UINT64(env.CP0_EntryLo0, MIPSCPU),
+ VMSTATE_UINT64(env.CP0_EntryLo1, MIPSCPU),
+ VMSTATE_UINTTL(env.CP0_Context, MIPSCPU),
+ VMSTATE_INT32(env.CP0_PageMask, MIPSCPU),
+ VMSTATE_INT32(env.CP0_PageGrain, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Wired, MIPSCPU),
+ VMSTATE_INT32(env.CP0_SRSConf0, MIPSCPU),
+ VMSTATE_INT32(env.CP0_SRSConf1, MIPSCPU),
+ VMSTATE_INT32(env.CP0_SRSConf2, MIPSCPU),
+ VMSTATE_INT32(env.CP0_SRSConf3, MIPSCPU),
+ VMSTATE_INT32(env.CP0_SRSConf4, MIPSCPU),
+ VMSTATE_INT32(env.CP0_HWREna, MIPSCPU),
+ VMSTATE_UINTTL(env.CP0_BadVAddr, MIPSCPU),
+ VMSTATE_UINT32(env.CP0_BadInstr, MIPSCPU),
+ VMSTATE_UINT32(env.CP0_BadInstrP, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Count, MIPSCPU),
+ VMSTATE_UINTTL(env.CP0_EntryHi, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Compare, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Status, MIPSCPU),
+ VMSTATE_INT32(env.CP0_IntCtl, MIPSCPU),
+ VMSTATE_INT32(env.CP0_SRSCtl, MIPSCPU),
+ VMSTATE_INT32(env.CP0_SRSMap, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Cause, MIPSCPU),
+ VMSTATE_UINTTL(env.CP0_EPC, MIPSCPU),
+ VMSTATE_INT32(env.CP0_PRid, MIPSCPU),
+ VMSTATE_INT32(env.CP0_EBase, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Config0, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Config1, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Config2, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Config3, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Config6, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Config7, MIPSCPU),
+ VMSTATE_UINT64_ARRAY(env.CP0_MAAR, MIPSCPU, MIPS_MAAR_MAX),
+ VMSTATE_INT32(env.CP0_MAARI, MIPSCPU),
+ VMSTATE_UINT64(env.lladdr, MIPSCPU),
+ VMSTATE_UINTTL_ARRAY(env.CP0_WatchLo, MIPSCPU, 8),
+ VMSTATE_INT32_ARRAY(env.CP0_WatchHi, MIPSCPU, 8),
+ VMSTATE_UINTTL(env.CP0_XContext, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Framemask, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Debug, MIPSCPU),
+ VMSTATE_UINTTL(env.CP0_DEPC, MIPSCPU),
+ VMSTATE_INT32(env.CP0_Performance0, MIPSCPU),
+ VMSTATE_UINT64(env.CP0_TagLo, MIPSCPU),
+ VMSTATE_INT32(env.CP0_DataLo, MIPSCPU),
+ VMSTATE_INT32(env.CP0_TagHi, MIPSCPU),
+ VMSTATE_INT32(env.CP0_DataHi, MIPSCPU),
+ VMSTATE_UINTTL(env.CP0_ErrorEPC, MIPSCPU),
+ VMSTATE_INT32(env.CP0_DESAVE, MIPSCPU),
+ VMSTATE_UINTTL_ARRAY(env.CP0_KScratch, MIPSCPU, MIPS_KSCRATCH_NUM),
+
+ /* Inactive TC */
+ VMSTATE_STRUCT_ARRAY(env.tcs, MIPSCPU, MIPS_SHADOW_SET_MAX, 1,
+ vmstate_inactive_tc, TCState),
+ VMSTATE_STRUCT_ARRAY(env.fpus, MIPSCPU, MIPS_FPU_MAX, 1,
+ vmstate_inactive_fpu, CPUMIPSFPUContext),
+
+ VMSTATE_END_OF_LIST()
+ },
+};
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 03:31:19 +0000