cpu: Move icount_extra field from CPU_COMMON to CPUState
[qemu.git] / include / exec / cpu-common.h
1 #ifndef CPU_COMMON_H
2 #define CPU_COMMON_H 1
3
4 /* CPU interfaces that are target independent. */
5
6 #ifndef CONFIG_USER_ONLY
7 #include "exec/hwaddr.h"
8 #endif
9
10 #ifndef NEED_CPU_H
11 #include "exec/poison.h"
12 #endif
13
14 #include "qemu/bswap.h"
15 #include "qemu/queue.h"
16
17 /**
18 * CPUListState:
19 * @cpu_fprintf: Print function.
20 * @file: File to print to using @cpu_fprint.
21 *
22 * State commonly used for iterating over CPU models.
23 */
24 typedef struct CPUListState {
25 fprintf_function cpu_fprintf;
26 FILE *file;
27 } CPUListState;
28
29 #if !defined(CONFIG_USER_ONLY)
30
31 enum device_endian {
32 DEVICE_NATIVE_ENDIAN,
33 DEVICE_BIG_ENDIAN,
34 DEVICE_LITTLE_ENDIAN,
35 };
36
37 /* address in the RAM (different from a physical address) */
38 #if defined(CONFIG_XEN_BACKEND)
39 typedef uint64_t ram_addr_t;
40 # define RAM_ADDR_MAX UINT64_MAX
41 # define RAM_ADDR_FMT "%" PRIx64
42 #else
43 typedef uintptr_t ram_addr_t;
44 # define RAM_ADDR_MAX UINTPTR_MAX
45 # define RAM_ADDR_FMT "%" PRIxPTR
46 #endif
47
48 /* memory API */
49
50 typedef void CPUWriteMemoryFunc(void *opaque, hwaddr addr, uint32_t value);
51 typedef uint32_t CPUReadMemoryFunc(void *opaque, hwaddr addr);
52
53 void qemu_ram_remap(ram_addr_t addr, ram_addr_t length);
54 /* This should not be used by devices. */
55 MemoryRegion *qemu_ram_addr_from_host(void *ptr, ram_addr_t *ram_addr);
56 void qemu_ram_set_idstr(ram_addr_t addr, const char *name, DeviceState *dev);
57
58 void cpu_physical_memory_rw(hwaddr addr, uint8_t *buf,
59 int len, int is_write);
60 static inline void cpu_physical_memory_read(hwaddr addr,
61 void *buf, int len)
62 {
63 cpu_physical_memory_rw(addr, buf, len, 0);
64 }
65 static inline void cpu_physical_memory_write(hwaddr addr,
66 const void *buf, int len)
67 {
68 cpu_physical_memory_rw(addr, (void *)buf, len, 1);
69 }
70 void *cpu_physical_memory_map(hwaddr addr,
71 hwaddr *plen,
72 int is_write);
73 void cpu_physical_memory_unmap(void *buffer, hwaddr len,
74 int is_write, hwaddr access_len);
75 void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque));
76
77 bool cpu_physical_memory_is_io(hwaddr phys_addr);
78
79 /* Coalesced MMIO regions are areas where write operations can be reordered.
80 * This usually implies that write operations are side-effect free. This allows
81 * batching which can make a major impact on performance when using
82 * virtualization.
83 */
84 void qemu_flush_coalesced_mmio_buffer(void);
85
86 uint32_t ldub_phys(AddressSpace *as, hwaddr addr);
87 uint32_t lduw_le_phys(AddressSpace *as, hwaddr addr);
88 uint32_t lduw_be_phys(AddressSpace *as, hwaddr addr);
89 uint32_t ldl_le_phys(AddressSpace *as, hwaddr addr);
90 uint32_t ldl_be_phys(AddressSpace *as, hwaddr addr);
91 uint64_t ldq_le_phys(AddressSpace *as, hwaddr addr);
92 uint64_t ldq_be_phys(AddressSpace *as, hwaddr addr);
93 void stb_phys(AddressSpace *as, hwaddr addr, uint32_t val);
94 void stw_le_phys(AddressSpace *as, hwaddr addr, uint32_t val);
95 void stw_be_phys(AddressSpace *as, hwaddr addr, uint32_t val);
96 void stl_le_phys(AddressSpace *as, hwaddr addr, uint32_t val);
97 void stl_be_phys(AddressSpace *as, hwaddr addr, uint32_t val);
98 void stq_le_phys(AddressSpace *as, hwaddr addr, uint64_t val);
99 void stq_be_phys(AddressSpace *as, hwaddr addr, uint64_t val);
100
101 #ifdef NEED_CPU_H
102 uint32_t lduw_phys(AddressSpace *as, hwaddr addr);
103 uint32_t ldl_phys(AddressSpace *as, hwaddr addr);
104 uint64_t ldq_phys(AddressSpace *as, hwaddr addr);
105 void stl_phys_notdirty(AddressSpace *as, hwaddr addr, uint32_t val);
106 void stw_phys(AddressSpace *as, hwaddr addr, uint32_t val);
107 void stl_phys(AddressSpace *as, hwaddr addr, uint32_t val);
108 void stq_phys(AddressSpace *as, hwaddr addr, uint64_t val);
109 #endif
110
111 void cpu_physical_memory_write_rom(AddressSpace *as, hwaddr addr,
112 const uint8_t *buf, int len);
113 void cpu_flush_icache_range(hwaddr start, int len);
114
115 extern struct MemoryRegion io_mem_rom;
116 extern struct MemoryRegion io_mem_notdirty;
117
118 typedef void (RAMBlockIterFunc)(void *host_addr,
119 ram_addr_t offset, ram_addr_t length, void *opaque);
120
121 void qemu_ram_foreach_block(RAMBlockIterFunc func, void *opaque);
122
123 #endif
124
125 #endif /* !CPU_COMMON_H */