diff options
Diffstat (limited to 'target/avr/cpu.c')
| -rw-r--r-- | target/avr/cpu.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/target/avr/cpu.c b/target/avr/cpu.c index 834c708..84f3b83 100644 --- a/target/avr/cpu.c +++ b/target/avr/cpu.c @@ -23,6 +23,7 @@ #include "qemu/qemu-print.h" #include "exec/exec-all.h" #include "exec/translation-block.h" +#include "system/address-spaces.h" #include "cpu.h" #include "disas/dis-asm.h" #include "tcg/debug-assert.h" @@ -110,6 +111,8 @@ static void avr_cpu_disas_set_info(CPUState *cpu, disassemble_info *info) static void avr_cpu_realizefn(DeviceState *dev, Error **errp) { CPUState *cs = CPU(dev); + CPUAVRState *env = cpu_env(cs); + AVRCPU *cpu = env_archcpu(env); AVRCPUClass *mcc = AVR_CPU_GET_CLASS(dev); Error *local_err = NULL; @@ -122,6 +125,19 @@ static void avr_cpu_realizefn(DeviceState *dev, Error **errp) cpu_reset(cs); mcc->parent_realize(dev, errp); + + /* + * Two blocks in the low data space loop back into cpu registers. + */ + memory_region_init_io(&cpu->cpu_reg1, OBJECT(cpu), &avr_cpu_reg1, env, + "avr-cpu-reg1", 32); + memory_region_add_subregion(get_system_memory(), + OFFSET_DATA, &cpu->cpu_reg1); + + memory_region_init_io(&cpu->cpu_reg2, OBJECT(cpu), &avr_cpu_reg2, env, + "avr-cpu-reg2", 8); + memory_region_add_subregion(get_system_memory(), + OFFSET_DATA + 0x58, &cpu->cpu_reg2); } static void avr_cpu_set_int(void *opaque, int irq, int level) @@ -208,10 +224,13 @@ static const struct SysemuCPUOps avr_sysemu_ops = { #include "accel/tcg/cpu-ops.h" static const TCGCPUOps avr_tcg_ops = { + .guest_default_memory_order = 0, + .mttcg_supported = false, .initialize = avr_cpu_tcg_init, .translate_code = avr_cpu_translate_code, .synchronize_from_tb = avr_cpu_synchronize_from_tb, .restore_state_to_opc = avr_restore_state_to_opc, + .mmu_index = avr_cpu_mmu_index, .cpu_exec_interrupt = avr_cpu_exec_interrupt, .cpu_exec_halt = avr_cpu_has_work, .tlb_fill = avr_cpu_tlb_fill, @@ -234,7 +253,6 @@ static void avr_cpu_class_init(ObjectClass *oc, void *data) cc->class_by_name = avr_cpu_class_by_name; - cc->mmu_index = avr_cpu_mmu_index; cc->dump_state = avr_cpu_dump_state; cc->set_pc = avr_cpu_set_pc; cc->get_pc = avr_cpu_get_pc; |