diff options
Diffstat (limited to 'target/microblaze/cpu.c')
| -rw-r--r-- | target/microblaze/cpu.c | 126 |
1 files changed, 64 insertions, 62 deletions
diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c index 67017ecc33..9b2482159d 100644 --- a/target/microblaze/cpu.c +++ b/target/microblaze/cpu.c @@ -26,7 +26,6 @@ #include "cpu.h" #include "qemu/module.h" #include "hw/qdev-properties.h" -#include "migration/vmstate.h" #include "exec/exec-all.h" #include "fpu/softfloat-helpers.h" @@ -80,6 +79,16 @@ static void mb_cpu_set_pc(CPUState *cs, vaddr value) MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs); cpu->env.pc = value; + /* Ensure D_FLAG and IMM_FLAG are clear for the new PC */ + cpu->env.iflags = 0; +} + +static void mb_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb) +{ + MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs); + + cpu->env.pc = tb->pc; + cpu->env.iflags = tb->flags & IFLAGS_TB_MASK; } static bool mb_cpu_has_work(CPUState *cs) @@ -125,10 +134,6 @@ static void mb_cpu_reset(DeviceState *dev) #else mb_cpu_write_msr(env, 0); mmu_init(&env->mmu); - env->mmu.c_mmu = 3; - env->mmu.c_mmu_tlb_access = 3; - env->mmu.c_mmu_zones = 16; - env->mmu.c_addr_mask = MAKE_64BIT_MASK(0, cpu->cfg.addr_size); #endif } @@ -143,7 +148,6 @@ static void mb_cpu_realizefn(DeviceState *dev, Error **errp) CPUState *cs = CPU(dev); MicroBlazeCPUClass *mcc = MICROBLAZE_CPU_GET_CLASS(dev); MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs); - CPUMBState *env = &cpu->env; uint8_t version_code = 0; const char *version; int i = 0; @@ -163,16 +167,6 @@ static void mb_cpu_realizefn(DeviceState *dev, Error **errp) qemu_init_vcpu(cs); - env->pvr.regs[0] = PVR0_USE_EXC_MASK - | PVR0_USE_ICACHE_MASK - | PVR0_USE_DCACHE_MASK; - env->pvr.regs[2] = PVR2_D_OPB_MASK - | PVR2_D_LMB_MASK - | PVR2_I_OPB_MASK - | PVR2_I_LMB_MASK - | PVR2_FPU_EXC_MASK - | 0; - version = cpu->cfg.version ? cpu->cfg.version : DEFAULT_CPU_VERSION; for (i = 0; mb_cpu_lookup[i].name && version; i++) { if (strcmp(mb_cpu_lookup[i].name, version) == 0) { @@ -185,46 +179,58 @@ static void mb_cpu_realizefn(DeviceState *dev, Error **errp) qemu_log("Invalid MicroBlaze version number: %s\n", cpu->cfg.version); } - env->pvr.regs[0] |= (cpu->cfg.stackprot ? PVR0_SPROT_MASK : 0) | - (cpu->cfg.use_fpu ? PVR0_USE_FPU_MASK : 0) | - (cpu->cfg.use_hw_mul ? PVR0_USE_HW_MUL_MASK : 0) | - (cpu->cfg.use_barrel ? PVR0_USE_BARREL_MASK : 0) | - (cpu->cfg.use_div ? PVR0_USE_DIV_MASK : 0) | - (cpu->cfg.use_mmu ? PVR0_USE_MMU_MASK : 0) | - (cpu->cfg.endi ? PVR0_ENDI_MASK : 0) | - (version_code << PVR0_VERSION_SHIFT) | - (cpu->cfg.pvr == C_PVR_FULL ? PVR0_PVR_FULL_MASK : 0) | - cpu->cfg.pvr_user1; - - env->pvr.regs[1] = cpu->cfg.pvr_user2; - env->pvr.regs[2] |= (cpu->cfg.use_fpu ? PVR2_USE_FPU_MASK : 0) | - (cpu->cfg.use_fpu > 1 ? PVR2_USE_FPU2_MASK : 0) | - (cpu->cfg.use_hw_mul ? PVR2_USE_HW_MUL_MASK : 0) | - (cpu->cfg.use_hw_mul > 1 ? PVR2_USE_MUL64_MASK : 0) | - (cpu->cfg.use_barrel ? PVR2_USE_BARREL_MASK : 0) | - (cpu->cfg.use_div ? PVR2_USE_DIV_MASK : 0) | - (cpu->cfg.use_msr_instr ? PVR2_USE_MSR_INSTR : 0) | - (cpu->cfg.use_pcmp_instr ? PVR2_USE_PCMP_INSTR : 0) | - (cpu->cfg.dopb_bus_exception ? - PVR2_DOPB_BUS_EXC_MASK : 0) | - (cpu->cfg.iopb_bus_exception ? - PVR2_IOPB_BUS_EXC_MASK : 0) | - (cpu->cfg.div_zero_exception ? - PVR2_DIV_ZERO_EXC_MASK : 0) | - (cpu->cfg.illegal_opcode_exception ? - PVR2_ILL_OPCODE_EXC_MASK : 0) | - (cpu->cfg.unaligned_exceptions ? - PVR2_UNALIGNED_EXC_MASK : 0) | - (cpu->cfg.opcode_0_illegal ? - PVR2_OPCODE_0x0_ILL_MASK : 0); - - env->pvr.regs[5] |= cpu->cfg.dcache_writeback ? - PVR5_DCACHE_WRITEBACK_MASK : 0; - - env->pvr.regs[10] = 0x0c000000 | /* Default to spartan 3a dsp family. */ - (cpu->cfg.addr_size - 32) << PVR10_ASIZE_SHIFT; - env->pvr.regs[11] = (cpu->cfg.use_mmu ? PVR11_USE_MMU : 0) | - 16 << 17; + cpu->cfg.pvr_regs[0] = + (PVR0_USE_EXC_MASK | + PVR0_USE_ICACHE_MASK | + PVR0_USE_DCACHE_MASK | + (cpu->cfg.stackprot ? PVR0_SPROT_MASK : 0) | + (cpu->cfg.use_fpu ? PVR0_USE_FPU_MASK : 0) | + (cpu->cfg.use_hw_mul ? PVR0_USE_HW_MUL_MASK : 0) | + (cpu->cfg.use_barrel ? PVR0_USE_BARREL_MASK : 0) | + (cpu->cfg.use_div ? PVR0_USE_DIV_MASK : 0) | + (cpu->cfg.use_mmu ? PVR0_USE_MMU_MASK : 0) | + (cpu->cfg.endi ? PVR0_ENDI_MASK : 0) | + (version_code << PVR0_VERSION_SHIFT) | + (cpu->cfg.pvr == C_PVR_FULL ? PVR0_PVR_FULL_MASK : 0) | + cpu->cfg.pvr_user1); + + cpu->cfg.pvr_regs[1] = cpu->cfg.pvr_user2; + + cpu->cfg.pvr_regs[2] = + (PVR2_D_OPB_MASK | + PVR2_D_LMB_MASK | + PVR2_I_OPB_MASK | + PVR2_I_LMB_MASK | + PVR2_FPU_EXC_MASK | + (cpu->cfg.use_fpu ? PVR2_USE_FPU_MASK : 0) | + (cpu->cfg.use_fpu > 1 ? PVR2_USE_FPU2_MASK : 0) | + (cpu->cfg.use_hw_mul ? PVR2_USE_HW_MUL_MASK : 0) | + (cpu->cfg.use_hw_mul > 1 ? PVR2_USE_MUL64_MASK : 0) | + (cpu->cfg.use_barrel ? PVR2_USE_BARREL_MASK : 0) | + (cpu->cfg.use_div ? PVR2_USE_DIV_MASK : 0) | + (cpu->cfg.use_msr_instr ? PVR2_USE_MSR_INSTR : 0) | + (cpu->cfg.use_pcmp_instr ? PVR2_USE_PCMP_INSTR : 0) | + (cpu->cfg.dopb_bus_exception ? PVR2_DOPB_BUS_EXC_MASK : 0) | + (cpu->cfg.iopb_bus_exception ? PVR2_IOPB_BUS_EXC_MASK : 0) | + (cpu->cfg.div_zero_exception ? PVR2_DIV_ZERO_EXC_MASK : 0) | + (cpu->cfg.illegal_opcode_exception ? PVR2_ILL_OPCODE_EXC_MASK : 0) | + (cpu->cfg.unaligned_exceptions ? PVR2_UNALIGNED_EXC_MASK : 0) | + (cpu->cfg.opcode_0_illegal ? PVR2_OPCODE_0x0_ILL_MASK : 0)); + + cpu->cfg.pvr_regs[5] |= + cpu->cfg.dcache_writeback ? PVR5_DCACHE_WRITEBACK_MASK : 0; + + cpu->cfg.pvr_regs[10] = + (0x0c000000 | /* Default to spartan 3a dsp family. */ + (cpu->cfg.addr_size - 32) << PVR10_ASIZE_SHIFT); + + cpu->cfg.pvr_regs[11] = ((cpu->cfg.use_mmu ? PVR11_USE_MMU : 0) | + 16 << 17); + + cpu->cfg.mmu = 3; + cpu->cfg.mmu_tlb_access = 3; + cpu->cfg.mmu_zones = 16; + cpu->cfg.addr_mask = MAKE_64BIT_MASK(0, cpu->cfg.addr_size); mcc->parent_realize(dev, errp); } @@ -244,11 +250,6 @@ static void mb_cpu_initfn(Object *obj) #endif } -static const VMStateDescription vmstate_mb_cpu = { - .name = "cpu", - .unmigratable = 1, -}; - static Property mb_properties[] = { DEFINE_PROP_UINT32("base-vectors", MicroBlazeCPU, cfg.base_vectors, 0), DEFINE_PROP_BOOL("use-stack-protection", MicroBlazeCPU, cfg.stackprot, @@ -321,14 +322,15 @@ static void mb_cpu_class_init(ObjectClass *oc, void *data) cc->cpu_exec_interrupt = mb_cpu_exec_interrupt; cc->dump_state = mb_cpu_dump_state; cc->set_pc = mb_cpu_set_pc; + cc->synchronize_from_tb = mb_cpu_synchronize_from_tb; cc->gdb_read_register = mb_cpu_gdb_read_register; cc->gdb_write_register = mb_cpu_gdb_write_register; cc->tlb_fill = mb_cpu_tlb_fill; #ifndef CONFIG_USER_ONLY cc->do_transaction_failed = mb_cpu_transaction_failed; cc->get_phys_page_debug = mb_cpu_get_phys_page_debug; -#endif dc->vmsd = &vmstate_mb_cpu; +#endif device_class_set_props(dc, mb_properties); cc->gdb_num_core_regs = 32 + 27; |