| 1 | #ifndef CPU_COMMON_H
|
|---|
| 2 | #define CPU_COMMON_H 1
|
|---|
| 3 |
|
|---|
| 4 | /* CPU interfaces that are target indpendent. */
|
|---|
| 5 |
|
|---|
| 6 | #if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__)
|
|---|
| 7 | #define WORDS_ALIGNED
|
|---|
| 8 | #endif
|
|---|
| 9 |
|
|---|
| 10 | #include "bswap.h"
|
|---|
| 11 |
|
|---|
| 12 | /* address in the RAM (different from a physical address) */
|
|---|
| 13 | #ifdef CONFIG_KQEMU
|
|---|
| 14 | /* FIXME: This is wrong. */
|
|---|
| 15 | typedef uint32_t ram_addr_t;
|
|---|
| 16 | #else
|
|---|
| 17 | typedef unsigned long ram_addr_t;
|
|---|
| 18 | #endif
|
|---|
| 19 |
|
|---|
| 20 | /* memory API */
|
|---|
| 21 |
|
|---|
| 22 | typedef void CPUWriteMemoryFunc(void *opaque, target_phys_addr_t addr, uint32_t value);
|
|---|
| 23 | typedef uint32_t CPUReadMemoryFunc(void *opaque, target_phys_addr_t addr);
|
|---|
| 24 |
|
|---|
| 25 | void cpu_register_physical_memory_offset(target_phys_addr_t start_addr,
|
|---|
| 26 | ram_addr_t size,
|
|---|
| 27 | ram_addr_t phys_offset,
|
|---|
| 28 | ram_addr_t region_offset);
|
|---|
| 29 | static inline void cpu_register_physical_memory(target_phys_addr_t start_addr,
|
|---|
| 30 | ram_addr_t size,
|
|---|
| 31 | ram_addr_t phys_offset)
|
|---|
| 32 | {
|
|---|
| 33 | cpu_register_physical_memory_offset(start_addr, size, phys_offset, 0);
|
|---|
| 34 | }
|
|---|
| 35 |
|
|---|
| 36 | ram_addr_t cpu_get_physical_page_desc(target_phys_addr_t addr);
|
|---|
| 37 | ram_addr_t qemu_ram_alloc(ram_addr_t);
|
|---|
| 38 | void qemu_ram_free(ram_addr_t addr);
|
|---|
| 39 | /* This should only be used for ram local to a device. */
|
|---|
| 40 | void *qemu_get_ram_ptr(ram_addr_t addr);
|
|---|
| 41 | /* This should not be used by devices. */
|
|---|
| 42 | ram_addr_t qemu_ram_addr_from_host(void *ptr);
|
|---|
| 43 |
|
|---|
| 44 | int cpu_register_io_memory(CPUReadMemoryFunc **mem_read,
|
|---|
| 45 | CPUWriteMemoryFunc **mem_write,
|
|---|
| 46 | void *opaque);
|
|---|
| 47 | void cpu_unregister_io_memory(int table_address);
|
|---|
| 48 |
|
|---|
| 49 | void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
|
|---|
| 50 | int len, int is_write);
|
|---|
| 51 | static inline void cpu_physical_memory_read(target_phys_addr_t addr,
|
|---|
| 52 | uint8_t *buf, int len)
|
|---|
| 53 | {
|
|---|
| 54 | cpu_physical_memory_rw(addr, buf, len, 0);
|
|---|
| 55 | }
|
|---|
| 56 | static inline void cpu_physical_memory_write(target_phys_addr_t addr,
|
|---|
| 57 | const uint8_t *buf, int len)
|
|---|
| 58 | {
|
|---|
| 59 | cpu_physical_memory_rw(addr, (uint8_t *)buf, len, 1);
|
|---|
| 60 | }
|
|---|
| 61 | void *cpu_physical_memory_map(target_phys_addr_t addr,
|
|---|
| 62 | target_phys_addr_t *plen,
|
|---|
| 63 | int is_write);
|
|---|
| 64 | void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len,
|
|---|
| 65 | int is_write, target_phys_addr_t access_len);
|
|---|
| 66 | void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque));
|
|---|
| 67 | void cpu_unregister_map_client(void *cookie);
|
|---|
| 68 |
|
|---|
| 69 | uint32_t ldub_phys(target_phys_addr_t addr);
|
|---|
| 70 | uint32_t lduw_phys(target_phys_addr_t addr);
|
|---|
| 71 | uint32_t ldl_phys(target_phys_addr_t addr);
|
|---|
| 72 | uint64_t ldq_phys(target_phys_addr_t addr);
|
|---|
| 73 | void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val);
|
|---|
| 74 | void stq_phys_notdirty(target_phys_addr_t addr, uint64_t val);
|
|---|
| 75 | void stb_phys(target_phys_addr_t addr, uint32_t val);
|
|---|
| 76 | void stw_phys(target_phys_addr_t addr, uint32_t val);
|
|---|
| 77 | void stl_phys(target_phys_addr_t addr, uint32_t val);
|
|---|
| 78 | void stq_phys(target_phys_addr_t addr, uint64_t val);
|
|---|
| 79 |
|
|---|
| 80 | void cpu_physical_memory_write_rom(target_phys_addr_t addr,
|
|---|
| 81 | const uint8_t *buf, int len);
|
|---|
| 82 |
|
|---|
| 83 | #define IO_MEM_SHIFT 3
|
|---|
| 84 |
|
|---|
| 85 | #define IO_MEM_RAM (0 << IO_MEM_SHIFT) /* hardcoded offset */
|
|---|
| 86 | #define IO_MEM_ROM (1 << IO_MEM_SHIFT) /* hardcoded offset */
|
|---|
| 87 | #define IO_MEM_UNASSIGNED (2 << IO_MEM_SHIFT)
|
|---|
| 88 | #define IO_MEM_NOTDIRTY (3 << IO_MEM_SHIFT)
|
|---|
| 89 |
|
|---|
| 90 | /* Acts like a ROM when read and like a device when written. */
|
|---|
| 91 | #define IO_MEM_ROMD (1)
|
|---|
| 92 | #define IO_MEM_SUBPAGE (2)
|
|---|
| 93 | #define IO_MEM_SUBWIDTH (4)
|
|---|
| 94 |
|
|---|
| 95 | #endif /* !CPU_COMMON_H */
|
|---|
