1#ifndef CPU_COMMON_H
2#define CPU_COMMON_H
3
4
5
6#ifndef CONFIG_USER_ONLY
7#include "exec/hwaddr.h"
8#endif
9
10#include "qemu/bswap.h"
11#include "qemu/queue.h"
12#include "qemu/fprintf-fn.h"
13
14
15
16
17
18
19
20
21typedef struct CPUListState {
22 fprintf_function cpu_fprintf;
23 FILE *file;
24} CPUListState;
25
26
27void qemu_init_cpu_list(void);
28void cpu_list_lock(void);
29void cpu_list_unlock(void);
30
31void tcg_flush_softmmu_tlb(CPUState *cs);
32
33#if !defined(CONFIG_USER_ONLY)
34
35enum device_endian {
36 DEVICE_NATIVE_ENDIAN,
37 DEVICE_BIG_ENDIAN,
38 DEVICE_LITTLE_ENDIAN,
39};
40
41#if defined(HOST_WORDS_BIGENDIAN)
42#define DEVICE_HOST_ENDIAN DEVICE_BIG_ENDIAN
43#else
44#define DEVICE_HOST_ENDIAN DEVICE_LITTLE_ENDIAN
45#endif
46
47
48#if defined(CONFIG_XEN_BACKEND)
49typedef uint64_t ram_addr_t;
50# define RAM_ADDR_MAX UINT64_MAX
51# define RAM_ADDR_FMT "%" PRIx64
52#else
53typedef uintptr_t ram_addr_t;
54# define RAM_ADDR_MAX UINTPTR_MAX
55# define RAM_ADDR_FMT "%" PRIxPTR
56#endif
57
58extern ram_addr_t ram_size;
59
60
61
62typedef void CPUWriteMemoryFunc(void *opaque, hwaddr addr, uint32_t value);
63typedef uint32_t CPUReadMemoryFunc(void *opaque, hwaddr addr);
64
65void qemu_ram_remap(ram_addr_t addr, ram_addr_t length);
66
67ram_addr_t qemu_ram_addr_from_host(void *ptr);
68RAMBlock *qemu_ram_block_by_name(const char *name);
69RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset,
70 ram_addr_t *offset);
71ram_addr_t qemu_ram_block_host_offset(RAMBlock *rb, void *host);
72void qemu_ram_set_idstr(RAMBlock *block, const char *name, DeviceState *dev);
73void qemu_ram_unset_idstr(RAMBlock *block);
74const char *qemu_ram_get_idstr(RAMBlock *rb);
75void *qemu_ram_get_host_addr(RAMBlock *rb);
76ram_addr_t qemu_ram_get_offset(RAMBlock *rb);
77ram_addr_t qemu_ram_get_used_length(RAMBlock *rb);
78bool qemu_ram_is_shared(RAMBlock *rb);
79bool qemu_ram_is_uf_zeroable(RAMBlock *rb);
80void qemu_ram_set_uf_zeroable(RAMBlock *rb);
81bool qemu_ram_is_migratable(RAMBlock *rb);
82void qemu_ram_set_migratable(RAMBlock *rb);
83void qemu_ram_unset_migratable(RAMBlock *rb);
84
85size_t qemu_ram_pagesize(RAMBlock *block);
86size_t qemu_ram_pagesize_largest(void);
87
88void cpu_physical_memory_rw(hwaddr addr, uint8_t *buf,
89 hwaddr len, int is_write);
90static inline void cpu_physical_memory_read(hwaddr addr,
91 void *buf, hwaddr len)
92{
93 cpu_physical_memory_rw(addr, buf, len, 0);
94}
95static inline void cpu_physical_memory_write(hwaddr addr,
96 const void *buf, hwaddr len)
97{
98 cpu_physical_memory_rw(addr, (void *)buf, len, 1);
99}
100void *cpu_physical_memory_map(hwaddr addr,
101 hwaddr *plen,
102 int is_write);
103void cpu_physical_memory_unmap(void *buffer, hwaddr len,
104 int is_write, hwaddr access_len);
105void cpu_register_map_client(QEMUBH *bh);
106void cpu_unregister_map_client(QEMUBH *bh);
107
108bool cpu_physical_memory_is_io(hwaddr phys_addr);
109
110
111
112
113
114
115void qemu_flush_coalesced_mmio_buffer(void);
116
117void cpu_flush_icache_range(hwaddr start, hwaddr len);
118
119extern struct MemoryRegion io_mem_rom;
120extern struct MemoryRegion io_mem_notdirty;
121
122typedef int (RAMBlockIterFunc)(RAMBlock *rb, void *opaque);
123
124int qemu_ram_foreach_block(RAMBlockIterFunc func, void *opaque);
125int ram_block_discard_range(RAMBlock *rb, uint64_t start, size_t length);
126
127#endif
128
129#endif
130