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1 | 1ad2134f | Paul Brook | #ifndef CPU_COMMON_H
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2 | 1ad2134f | Paul Brook | #define CPU_COMMON_H 1 |
3 | 1ad2134f | Paul Brook | |
4 | 1ad2134f | Paul Brook | /* CPU interfaces that are target indpendent. */
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5 | 1ad2134f | Paul Brook | |
6 | 1ad2134f | Paul Brook | #if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__)
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7 | 1ad2134f | Paul Brook | #define WORDS_ALIGNED
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8 | 1ad2134f | Paul Brook | #endif
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9 | 1ad2134f | Paul Brook | |
10 | 1ad2134f | Paul Brook | #include "bswap.h" |
11 | 1ad2134f | Paul Brook | |
12 | 1ad2134f | Paul Brook | /* address in the RAM (different from a physical address) */
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13 | c227f099 | Anthony Liguori | typedef unsigned long ram_addr_t; |
14 | 1ad2134f | Paul Brook | |
15 | 1ad2134f | Paul Brook | /* memory API */
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16 | 1ad2134f | Paul Brook | |
17 | c227f099 | Anthony Liguori | typedef void CPUWriteMemoryFunc(void *opaque, target_phys_addr_t addr, uint32_t value); |
18 | c227f099 | Anthony Liguori | typedef uint32_t CPUReadMemoryFunc(void *opaque, target_phys_addr_t addr); |
19 | 1ad2134f | Paul Brook | |
20 | c227f099 | Anthony Liguori | void cpu_register_physical_memory_offset(target_phys_addr_t start_addr,
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21 | c227f099 | Anthony Liguori | ram_addr_t size, |
22 | c227f099 | Anthony Liguori | ram_addr_t phys_offset, |
23 | c227f099 | Anthony Liguori | ram_addr_t region_offset); |
24 | c227f099 | Anthony Liguori | static inline void cpu_register_physical_memory(target_phys_addr_t start_addr, |
25 | c227f099 | Anthony Liguori | ram_addr_t size, |
26 | c227f099 | Anthony Liguori | ram_addr_t phys_offset) |
27 | 1ad2134f | Paul Brook | { |
28 | 1ad2134f | Paul Brook | cpu_register_physical_memory_offset(start_addr, size, phys_offset, 0);
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29 | 1ad2134f | Paul Brook | } |
30 | 1ad2134f | Paul Brook | |
31 | c227f099 | Anthony Liguori | ram_addr_t cpu_get_physical_page_desc(target_phys_addr_t addr); |
32 | c227f099 | Anthony Liguori | ram_addr_t qemu_ram_alloc(ram_addr_t); |
33 | c227f099 | Anthony Liguori | void qemu_ram_free(ram_addr_t addr);
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34 | 1ad2134f | Paul Brook | /* This should only be used for ram local to a device. */
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35 | c227f099 | Anthony Liguori | void *qemu_get_ram_ptr(ram_addr_t addr);
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36 | 1ad2134f | Paul Brook | /* This should not be used by devices. */
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37 | c227f099 | Anthony Liguori | ram_addr_t qemu_ram_addr_from_host(void *ptr);
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38 | 1ad2134f | Paul Brook | |
39 | d60efc6b | Blue Swirl | int cpu_register_io_memory(CPUReadMemoryFunc * const *mem_read, |
40 | d60efc6b | Blue Swirl | CPUWriteMemoryFunc * const *mem_write,
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41 | 1ad2134f | Paul Brook | void *opaque);
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42 | 1ad2134f | Paul Brook | void cpu_unregister_io_memory(int table_address); |
43 | 1ad2134f | Paul Brook | |
44 | c227f099 | Anthony Liguori | void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
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45 | 1ad2134f | Paul Brook | int len, int is_write); |
46 | c227f099 | Anthony Liguori | static inline void cpu_physical_memory_read(target_phys_addr_t addr, |
47 | 1ad2134f | Paul Brook | uint8_t *buf, int len)
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48 | 1ad2134f | Paul Brook | { |
49 | 1ad2134f | Paul Brook | cpu_physical_memory_rw(addr, buf, len, 0);
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50 | 1ad2134f | Paul Brook | } |
51 | c227f099 | Anthony Liguori | static inline void cpu_physical_memory_write(target_phys_addr_t addr, |
52 | 1ad2134f | Paul Brook | const uint8_t *buf, int len) |
53 | 1ad2134f | Paul Brook | { |
54 | 1ad2134f | Paul Brook | cpu_physical_memory_rw(addr, (uint8_t *)buf, len, 1);
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55 | 1ad2134f | Paul Brook | } |
56 | c227f099 | Anthony Liguori | void *cpu_physical_memory_map(target_phys_addr_t addr,
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57 | c227f099 | Anthony Liguori | target_phys_addr_t *plen, |
58 | 1ad2134f | Paul Brook | int is_write);
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59 | c227f099 | Anthony Liguori | void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len, |
60 | c227f099 | Anthony Liguori | int is_write, target_phys_addr_t access_len);
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61 | 1ad2134f | Paul Brook | void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque)); |
62 | 1ad2134f | Paul Brook | void cpu_unregister_map_client(void *cookie); |
63 | 1ad2134f | Paul Brook | |
64 | c227f099 | Anthony Liguori | uint32_t ldub_phys(target_phys_addr_t addr); |
65 | c227f099 | Anthony Liguori | uint32_t lduw_phys(target_phys_addr_t addr); |
66 | c227f099 | Anthony Liguori | uint32_t ldl_phys(target_phys_addr_t addr); |
67 | c227f099 | Anthony Liguori | uint64_t ldq_phys(target_phys_addr_t addr); |
68 | c227f099 | Anthony Liguori | void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val);
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69 | c227f099 | Anthony Liguori | void stq_phys_notdirty(target_phys_addr_t addr, uint64_t val);
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70 | c227f099 | Anthony Liguori | void stb_phys(target_phys_addr_t addr, uint32_t val);
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71 | c227f099 | Anthony Liguori | void stw_phys(target_phys_addr_t addr, uint32_t val);
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72 | c227f099 | Anthony Liguori | void stl_phys(target_phys_addr_t addr, uint32_t val);
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73 | c227f099 | Anthony Liguori | void stq_phys(target_phys_addr_t addr, uint64_t val);
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74 | c227f099 | Anthony Liguori | |
75 | c227f099 | Anthony Liguori | void cpu_physical_memory_write_rom(target_phys_addr_t addr,
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76 | 1ad2134f | Paul Brook | const uint8_t *buf, int len); |
77 | 1ad2134f | Paul Brook | |
78 | 1ad2134f | Paul Brook | #define IO_MEM_SHIFT 3 |
79 | 1ad2134f | Paul Brook | |
80 | 1ad2134f | Paul Brook | #define IO_MEM_RAM (0 << IO_MEM_SHIFT) /* hardcoded offset */ |
81 | 1ad2134f | Paul Brook | #define IO_MEM_ROM (1 << IO_MEM_SHIFT) /* hardcoded offset */ |
82 | 1ad2134f | Paul Brook | #define IO_MEM_UNASSIGNED (2 << IO_MEM_SHIFT) |
83 | 1ad2134f | Paul Brook | #define IO_MEM_NOTDIRTY (3 << IO_MEM_SHIFT) |
84 | 1ad2134f | Paul Brook | |
85 | 1ad2134f | Paul Brook | /* Acts like a ROM when read and like a device when written. */
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86 | 1ad2134f | Paul Brook | #define IO_MEM_ROMD (1) |
87 | 1ad2134f | Paul Brook | #define IO_MEM_SUBPAGE (2) |
88 | 1ad2134f | Paul Brook | #define IO_MEM_SUBWIDTH (4) |
89 | 1ad2134f | Paul Brook | |
90 | 1ad2134f | Paul Brook | #endif /* !CPU_COMMON_H */ |