root / include / exec / cpu-common.h @ 1de7afc9
History | View | Annotate | Download (3.5 kB)
1 |
#ifndef CPU_COMMON_H
|
---|---|
2 |
#define CPU_COMMON_H 1 |
3 |
|
4 |
/* CPU interfaces that are target independent. */
|
5 |
|
6 |
#include "exec/hwaddr.h" |
7 |
|
8 |
#ifndef NEED_CPU_H
|
9 |
#include "exec/poison.h" |
10 |
#endif
|
11 |
|
12 |
#include "qemu/bswap.h" |
13 |
#include "qemu/queue.h" |
14 |
|
15 |
#if !defined(CONFIG_USER_ONLY)
|
16 |
|
17 |
enum device_endian {
|
18 |
DEVICE_NATIVE_ENDIAN, |
19 |
DEVICE_BIG_ENDIAN, |
20 |
DEVICE_LITTLE_ENDIAN, |
21 |
}; |
22 |
|
23 |
/* address in the RAM (different from a physical address) */
|
24 |
#if defined(CONFIG_XEN_BACKEND)
|
25 |
typedef uint64_t ram_addr_t;
|
26 |
# define RAM_ADDR_MAX UINT64_MAX
|
27 |
# define RAM_ADDR_FMT "%" PRIx64 |
28 |
#else
|
29 |
typedef uintptr_t ram_addr_t;
|
30 |
# define RAM_ADDR_MAX UINTPTR_MAX
|
31 |
# define RAM_ADDR_FMT "%" PRIxPTR |
32 |
#endif
|
33 |
|
34 |
/* memory API */
|
35 |
|
36 |
typedef void CPUWriteMemoryFunc(void *opaque, hwaddr addr, uint32_t value); |
37 |
typedef uint32_t CPUReadMemoryFunc(void *opaque, hwaddr addr); |
38 |
|
39 |
void qemu_ram_remap(ram_addr_t addr, ram_addr_t length);
|
40 |
/* This should only be used for ram local to a device. */
|
41 |
void *qemu_get_ram_ptr(ram_addr_t addr);
|
42 |
void qemu_put_ram_ptr(void *addr); |
43 |
/* This should not be used by devices. */
|
44 |
int qemu_ram_addr_from_host(void *ptr, ram_addr_t *ram_addr); |
45 |
ram_addr_t qemu_ram_addr_from_host_nofail(void *ptr);
|
46 |
void qemu_ram_set_idstr(ram_addr_t addr, const char *name, DeviceState *dev); |
47 |
|
48 |
void cpu_physical_memory_rw(hwaddr addr, uint8_t *buf,
|
49 |
int len, int is_write); |
50 |
static inline void cpu_physical_memory_read(hwaddr addr, |
51 |
void *buf, int len) |
52 |
{ |
53 |
cpu_physical_memory_rw(addr, buf, len, 0);
|
54 |
} |
55 |
static inline void cpu_physical_memory_write(hwaddr addr, |
56 |
const void *buf, int len) |
57 |
{ |
58 |
cpu_physical_memory_rw(addr, (void *)buf, len, 1); |
59 |
} |
60 |
void *cpu_physical_memory_map(hwaddr addr,
|
61 |
hwaddr *plen, |
62 |
int is_write);
|
63 |
void cpu_physical_memory_unmap(void *buffer, hwaddr len, |
64 |
int is_write, hwaddr access_len);
|
65 |
void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque)); |
66 |
|
67 |
bool cpu_physical_memory_is_io(hwaddr phys_addr);
|
68 |
|
69 |
/* Coalesced MMIO regions are areas where write operations can be reordered.
|
70 |
* This usually implies that write operations are side-effect free. This allows
|
71 |
* batching which can make a major impact on performance when using
|
72 |
* virtualization.
|
73 |
*/
|
74 |
void qemu_flush_coalesced_mmio_buffer(void); |
75 |
|
76 |
uint32_t ldub_phys(hwaddr addr); |
77 |
uint32_t lduw_le_phys(hwaddr addr); |
78 |
uint32_t lduw_be_phys(hwaddr addr); |
79 |
uint32_t ldl_le_phys(hwaddr addr); |
80 |
uint32_t ldl_be_phys(hwaddr addr); |
81 |
uint64_t ldq_le_phys(hwaddr addr); |
82 |
uint64_t ldq_be_phys(hwaddr addr); |
83 |
void stb_phys(hwaddr addr, uint32_t val);
|
84 |
void stw_le_phys(hwaddr addr, uint32_t val);
|
85 |
void stw_be_phys(hwaddr addr, uint32_t val);
|
86 |
void stl_le_phys(hwaddr addr, uint32_t val);
|
87 |
void stl_be_phys(hwaddr addr, uint32_t val);
|
88 |
void stq_le_phys(hwaddr addr, uint64_t val);
|
89 |
void stq_be_phys(hwaddr addr, uint64_t val);
|
90 |
|
91 |
#ifdef NEED_CPU_H
|
92 |
uint32_t lduw_phys(hwaddr addr); |
93 |
uint32_t ldl_phys(hwaddr addr); |
94 |
uint64_t ldq_phys(hwaddr addr); |
95 |
void stl_phys_notdirty(hwaddr addr, uint32_t val);
|
96 |
void stq_phys_notdirty(hwaddr addr, uint64_t val);
|
97 |
void stw_phys(hwaddr addr, uint32_t val);
|
98 |
void stl_phys(hwaddr addr, uint32_t val);
|
99 |
void stq_phys(hwaddr addr, uint64_t val);
|
100 |
#endif
|
101 |
|
102 |
void cpu_physical_memory_write_rom(hwaddr addr,
|
103 |
const uint8_t *buf, int len); |
104 |
|
105 |
extern struct MemoryRegion io_mem_ram; |
106 |
extern struct MemoryRegion io_mem_rom; |
107 |
extern struct MemoryRegion io_mem_unassigned; |
108 |
extern struct MemoryRegion io_mem_notdirty; |
109 |
|
110 |
#endif
|
111 |
|
112 |
#endif /* !CPU_COMMON_H */ |