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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 | 1ad2134f | Paul Brook | #ifdef CONFIG_KQEMU
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14 | 1ad2134f | Paul Brook | /* FIXME: This is wrong. */
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15 | 1ad2134f | Paul Brook | typedef uint32_t ram_addr_t;
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16 | 1ad2134f | Paul Brook | #else
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17 | 1ad2134f | Paul Brook | typedef unsigned long ram_addr_t; |
18 | 1ad2134f | Paul Brook | #endif
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19 | 1ad2134f | Paul Brook | |
20 | 1ad2134f | Paul Brook | /* memory API */
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21 | 1ad2134f | Paul Brook | |
22 | 1ad2134f | Paul Brook | typedef void CPUWriteMemoryFunc(void *opaque, target_phys_addr_t addr, uint32_t value); |
23 | 1ad2134f | Paul Brook | typedef uint32_t CPUReadMemoryFunc(void *opaque, target_phys_addr_t addr); |
24 | 1ad2134f | Paul Brook | |
25 | 1ad2134f | Paul Brook | void cpu_register_physical_memory_offset(target_phys_addr_t start_addr,
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26 | 1ad2134f | Paul Brook | ram_addr_t size, |
27 | 1ad2134f | Paul Brook | ram_addr_t phys_offset, |
28 | 1ad2134f | Paul Brook | ram_addr_t region_offset); |
29 | 1ad2134f | Paul Brook | static inline void cpu_register_physical_memory(target_phys_addr_t start_addr, |
30 | 1ad2134f | Paul Brook | ram_addr_t size, |
31 | 1ad2134f | Paul Brook | ram_addr_t phys_offset) |
32 | 1ad2134f | Paul Brook | { |
33 | 1ad2134f | Paul Brook | cpu_register_physical_memory_offset(start_addr, size, phys_offset, 0);
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34 | 1ad2134f | Paul Brook | } |
35 | 1ad2134f | Paul Brook | |
36 | 1ad2134f | Paul Brook | ram_addr_t cpu_get_physical_page_desc(target_phys_addr_t addr); |
37 | 1ad2134f | Paul Brook | ram_addr_t qemu_ram_alloc(ram_addr_t); |
38 | 1ad2134f | Paul Brook | void qemu_ram_free(ram_addr_t addr);
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39 | 1ad2134f | Paul Brook | /* This should only be used for ram local to a device. */
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40 | 1ad2134f | Paul Brook | void *qemu_get_ram_ptr(ram_addr_t addr);
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41 | 1ad2134f | Paul Brook | /* This should not be used by devices. */
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42 | 1ad2134f | Paul Brook | ram_addr_t qemu_ram_addr_from_host(void *ptr);
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43 | 1ad2134f | Paul Brook | |
44 | 1ad2134f | Paul Brook | int cpu_register_io_memory(int io_index, |
45 | 1ad2134f | Paul Brook | CPUReadMemoryFunc **mem_read, |
46 | 1ad2134f | Paul Brook | CPUWriteMemoryFunc **mem_write, |
47 | 1ad2134f | Paul Brook | void *opaque);
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48 | 1ad2134f | Paul Brook | void cpu_unregister_io_memory(int table_address); |
49 | 1ad2134f | Paul Brook | |
50 | 1ad2134f | Paul Brook | void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
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51 | 1ad2134f | Paul Brook | int len, int is_write); |
52 | 1ad2134f | Paul Brook | static inline void cpu_physical_memory_read(target_phys_addr_t addr, |
53 | 1ad2134f | Paul Brook | uint8_t *buf, int len)
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54 | 1ad2134f | Paul Brook | { |
55 | 1ad2134f | Paul Brook | cpu_physical_memory_rw(addr, buf, len, 0);
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56 | 1ad2134f | Paul Brook | } |
57 | 1ad2134f | Paul Brook | static inline void cpu_physical_memory_write(target_phys_addr_t addr, |
58 | 1ad2134f | Paul Brook | const uint8_t *buf, int len) |
59 | 1ad2134f | Paul Brook | { |
60 | 1ad2134f | Paul Brook | cpu_physical_memory_rw(addr, (uint8_t *)buf, len, 1);
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61 | 1ad2134f | Paul Brook | } |
62 | 1ad2134f | Paul Brook | void *cpu_physical_memory_map(target_phys_addr_t addr,
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63 | 1ad2134f | Paul Brook | target_phys_addr_t *plen, |
64 | 1ad2134f | Paul Brook | int is_write);
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65 | 1ad2134f | Paul Brook | void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len, |
66 | 1ad2134f | Paul Brook | int is_write, target_phys_addr_t access_len);
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67 | 1ad2134f | Paul Brook | void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque)); |
68 | 1ad2134f | Paul Brook | void cpu_unregister_map_client(void *cookie); |
69 | 1ad2134f | Paul Brook | |
70 | 1ad2134f | Paul Brook | uint32_t ldub_phys(target_phys_addr_t addr); |
71 | 1ad2134f | Paul Brook | uint32_t lduw_phys(target_phys_addr_t addr); |
72 | 1ad2134f | Paul Brook | uint32_t ldl_phys(target_phys_addr_t addr); |
73 | 1ad2134f | Paul Brook | uint64_t ldq_phys(target_phys_addr_t addr); |
74 | 1ad2134f | Paul Brook | void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val);
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75 | 1ad2134f | Paul Brook | void stq_phys_notdirty(target_phys_addr_t addr, uint64_t val);
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76 | 1ad2134f | Paul Brook | void stb_phys(target_phys_addr_t addr, uint32_t val);
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77 | 1ad2134f | Paul Brook | void stw_phys(target_phys_addr_t addr, uint32_t val);
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78 | 1ad2134f | Paul Brook | void stl_phys(target_phys_addr_t addr, uint32_t val);
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79 | 1ad2134f | Paul Brook | void stq_phys(target_phys_addr_t addr, uint64_t val);
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80 | 1ad2134f | Paul Brook | |
81 | 1ad2134f | Paul Brook | void cpu_physical_memory_write_rom(target_phys_addr_t addr,
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82 | 1ad2134f | Paul Brook | const uint8_t *buf, int len); |
83 | 1ad2134f | Paul Brook | |
84 | 1ad2134f | Paul Brook | #define IO_MEM_SHIFT 3 |
85 | 1ad2134f | Paul Brook | |
86 | 1ad2134f | Paul Brook | #define IO_MEM_RAM (0 << IO_MEM_SHIFT) /* hardcoded offset */ |
87 | 1ad2134f | Paul Brook | #define IO_MEM_ROM (1 << IO_MEM_SHIFT) /* hardcoded offset */ |
88 | 1ad2134f | Paul Brook | #define IO_MEM_UNASSIGNED (2 << IO_MEM_SHIFT) |
89 | 1ad2134f | Paul Brook | #define IO_MEM_NOTDIRTY (3 << IO_MEM_SHIFT) |
90 | 1ad2134f | Paul Brook | |
91 | 1ad2134f | Paul Brook | /* Acts like a ROM when read and like a device when written. */
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92 | 1ad2134f | Paul Brook | #define IO_MEM_ROMD (1) |
93 | 1ad2134f | Paul Brook | #define IO_MEM_SUBPAGE (2) |
94 | 1ad2134f | Paul Brook | #define IO_MEM_SUBWIDTH (4) |
95 | 1ad2134f | Paul Brook | |
96 | 1ad2134f | Paul Brook | #endif /* !CPU_COMMON_H */ |