fix savevm command without id or tag
[qemu.git] / cpu-common.h
blob630237203dccff8cfd80b9a9ee01285a12378ab1
1 #ifndef CPU_COMMON_H
2 #define CPU_COMMON_H 1
4 /* CPU interfaces that are target indpendent. */
6 #if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__)
7 #define WORDS_ALIGNED
8 #endif
10 #include "bswap.h"
12 /* address in the RAM (different from a physical address) */
13 typedef unsigned long ram_addr_t;
15 /* memory API */
17 typedef void CPUWriteMemoryFunc(void *opaque, target_phys_addr_t addr, uint32_t value);
18 typedef uint32_t CPUReadMemoryFunc(void *opaque, target_phys_addr_t addr);
20 void cpu_register_physical_memory_offset(target_phys_addr_t start_addr,
21 ram_addr_t size,
22 ram_addr_t phys_offset,
23 ram_addr_t region_offset);
24 static inline void cpu_register_physical_memory(target_phys_addr_t start_addr,
25 ram_addr_t size,
26 ram_addr_t phys_offset)
28 cpu_register_physical_memory_offset(start_addr, size, phys_offset, 0);
31 ram_addr_t cpu_get_physical_page_desc(target_phys_addr_t addr);
32 ram_addr_t qemu_ram_alloc(ram_addr_t);
33 void qemu_ram_free(ram_addr_t addr);
34 /* This should only be used for ram local to a device. */
35 void *qemu_get_ram_ptr(ram_addr_t addr);
36 /* This should not be used by devices. */
37 ram_addr_t qemu_ram_addr_from_host(void *ptr);
39 int cpu_register_io_memory(CPUReadMemoryFunc * const *mem_read,
40 CPUWriteMemoryFunc * const *mem_write,
41 void *opaque);
42 void cpu_unregister_io_memory(int table_address);
44 void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
45 int len, int is_write);
46 static inline void cpu_physical_memory_read(target_phys_addr_t addr,
47 uint8_t *buf, int len)
49 cpu_physical_memory_rw(addr, buf, len, 0);
51 static inline void cpu_physical_memory_write(target_phys_addr_t addr,
52 const uint8_t *buf, int len)
54 cpu_physical_memory_rw(addr, (uint8_t *)buf, len, 1);
56 void *cpu_physical_memory_map(target_phys_addr_t addr,
57 target_phys_addr_t *plen,
58 int is_write);
59 void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len,
60 int is_write, target_phys_addr_t access_len);
61 void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque));
62 void cpu_unregister_map_client(void *cookie);
64 uint32_t ldub_phys(target_phys_addr_t addr);
65 uint32_t lduw_phys(target_phys_addr_t addr);
66 uint32_t ldl_phys(target_phys_addr_t addr);
67 uint64_t ldq_phys(target_phys_addr_t addr);
68 void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val);
69 void stq_phys_notdirty(target_phys_addr_t addr, uint64_t val);
70 void stb_phys(target_phys_addr_t addr, uint32_t val);
71 void stw_phys(target_phys_addr_t addr, uint32_t val);
72 void stl_phys(target_phys_addr_t addr, uint32_t val);
73 void stq_phys(target_phys_addr_t addr, uint64_t val);
75 void cpu_physical_memory_write_rom(target_phys_addr_t addr,
76 const uint8_t *buf, int len);
78 #define IO_MEM_SHIFT 3
80 #define IO_MEM_RAM (0 << IO_MEM_SHIFT) /* hardcoded offset */
81 #define IO_MEM_ROM (1 << IO_MEM_SHIFT) /* hardcoded offset */
82 #define IO_MEM_UNASSIGNED (2 << IO_MEM_SHIFT)
83 #define IO_MEM_NOTDIRTY (3 << IO_MEM_SHIFT)
85 /* Acts like a ROM when read and like a device when written. */
86 #define IO_MEM_ROMD (1)
87 #define IO_MEM_SUBPAGE (2)
88 #define IO_MEM_SUBWIDTH (4)
90 #endif /* !CPU_COMMON_H */