diff options
Diffstat (limited to 'target/avr/cpu.h')
| -rw-r--r-- | target/avr/cpu.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/target/avr/cpu.h b/target/avr/cpu.h index 06f5ae4..9862705 100644 --- a/target/avr/cpu.h +++ b/target/avr/cpu.h @@ -23,6 +23,7 @@ #include "cpu-qom.h" #include "exec/cpu-defs.h" +#include "exec/memory.h" #ifdef CONFIG_USER_ONLY #error "AVR 8-bit does not support user mode" @@ -44,8 +45,16 @@ /* Number of CPU registers */ #define NUMBER_OF_CPU_REGISTERS 32 -/* Number of IO registers accessible by ld/st/in/out */ -#define NUMBER_OF_IO_REGISTERS 64 + +/* CPU registers mapped into i/o ports 0x38-0x3f. */ +#define REG_38_RAMPD 0 +#define REG_38_RAMPX 1 +#define REG_38_RAMPY 2 +#define REG_38_RAMPZ 3 +#define REG_38_EIDN 4 +#define REG_38_SPL 5 +#define REG_38_SPH 6 +#define REG_38_SREG 7 /* * Offsets of AVR memory regions in host memory space. @@ -60,8 +69,6 @@ #define OFFSET_CODE 0x00000000 /* CPU registers, IO registers, and SRAM */ #define OFFSET_DATA 0x00800000 -/* CPU registers specifically, these are mapped at the start of data */ -#define OFFSET_CPU_REGISTERS OFFSET_DATA /* * IO registers, including status register, stack pointer, and memory * mapped peripherals, mapped just after CPU registers @@ -144,6 +151,9 @@ struct ArchCPU { CPUAVRState env; + MemoryRegion cpu_reg1; + MemoryRegion cpu_reg2; + /* Initial value of stack pointer */ uint32_t init_sp; }; @@ -244,6 +254,9 @@ bool avr_cpu_tlb_fill(CPUState *cs, vaddr address, int size, MMUAccessType access_type, int mmu_idx, bool probe, uintptr_t retaddr); +extern const MemoryRegionOps avr_cpu_reg1; +extern const MemoryRegionOps avr_cpu_reg2; + #include "exec/cpu-all.h" #endif /* QEMU_AVR_CPU_H */ |