qdev: split out UI portions into a new function
[qemu.git] / cpu-common.h
1 #ifndef CPU_COMMON_H
2 #define CPU_COMMON_H 1
3
4 /* CPU interfaces that are target independent. */
5
6 #ifdef TARGET_PHYS_ADDR_BITS
7 #include "targphys.h"
8 #endif
9
10 #ifndef NEED_CPU_H
11 #include "poison.h"
12 #endif
13
14 #include "bswap.h"
15 #include "qemu-queue.h"
16
17 #if !defined(CONFIG_USER_ONLY)
18
19 enum device_endian {
20 DEVICE_NATIVE_ENDIAN,
21 DEVICE_BIG_ENDIAN,
22 DEVICE_LITTLE_ENDIAN,
23 };
24
25 /* address in the RAM (different from a physical address) */
26 #if defined(CONFIG_XEN_BACKEND) && TARGET_PHYS_ADDR_BITS == 64
27 typedef uint64_t ram_addr_t;
28 # define RAM_ADDR_MAX UINT64_MAX
29 # define RAM_ADDR_FMT "%" PRIx64
30 #else
31 typedef unsigned long ram_addr_t;
32 # define RAM_ADDR_MAX ULONG_MAX
33 # define RAM_ADDR_FMT "%lx"
34 #endif
35
36 /* memory API */
37
38 typedef void CPUWriteMemoryFunc(void *opaque, target_phys_addr_t addr, uint32_t value);
39 typedef uint32_t CPUReadMemoryFunc(void *opaque, target_phys_addr_t addr);
40
41 void qemu_ram_remap(ram_addr_t addr, ram_addr_t length);
42 /* This should only be used for ram local to a device. */
43 void *qemu_get_ram_ptr(ram_addr_t addr);
44 void *qemu_ram_ptr_length(ram_addr_t addr, ram_addr_t *size);
45 /* Same but slower, to use for migration, where the order of
46 * RAMBlocks must not change. */
47 void *qemu_safe_ram_ptr(ram_addr_t addr);
48 void qemu_put_ram_ptr(void *addr);
49 /* This should not be used by devices. */
50 int qemu_ram_addr_from_host(void *ptr, ram_addr_t *ram_addr);
51 ram_addr_t qemu_ram_addr_from_host_nofail(void *ptr);
52 void qemu_ram_set_idstr(ram_addr_t addr, const char *name, DeviceState *dev);
53
54 void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
55 int len, int is_write);
56 static inline void cpu_physical_memory_read(target_phys_addr_t addr,
57 void *buf, int len)
58 {
59 cpu_physical_memory_rw(addr, buf, len, 0);
60 }
61 static inline void cpu_physical_memory_write(target_phys_addr_t addr,
62 const void *buf, int len)
63 {
64 cpu_physical_memory_rw(addr, (void *)buf, len, 1);
65 }
66 void *cpu_physical_memory_map(target_phys_addr_t addr,
67 target_phys_addr_t *plen,
68 int is_write);
69 void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len,
70 int is_write, target_phys_addr_t access_len);
71 void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque));
72 void cpu_unregister_map_client(void *cookie);
73
74 /* Coalesced MMIO regions are areas where write operations can be reordered.
75 * This usually implies that write operations are side-effect free. This allows
76 * batching which can make a major impact on performance when using
77 * virtualization.
78 */
79 void qemu_flush_coalesced_mmio_buffer(void);
80
81 uint32_t ldub_phys(target_phys_addr_t addr);
82 uint32_t lduw_le_phys(target_phys_addr_t addr);
83 uint32_t lduw_be_phys(target_phys_addr_t addr);
84 uint32_t ldl_le_phys(target_phys_addr_t addr);
85 uint32_t ldl_be_phys(target_phys_addr_t addr);
86 uint64_t ldq_le_phys(target_phys_addr_t addr);
87 uint64_t ldq_be_phys(target_phys_addr_t addr);
88 void stb_phys(target_phys_addr_t addr, uint32_t val);
89 void stw_le_phys(target_phys_addr_t addr, uint32_t val);
90 void stw_be_phys(target_phys_addr_t addr, uint32_t val);
91 void stl_le_phys(target_phys_addr_t addr, uint32_t val);
92 void stl_be_phys(target_phys_addr_t addr, uint32_t val);
93 void stq_le_phys(target_phys_addr_t addr, uint64_t val);
94 void stq_be_phys(target_phys_addr_t addr, uint64_t val);
95
96 #ifdef NEED_CPU_H
97 uint32_t lduw_phys(target_phys_addr_t addr);
98 uint32_t ldl_phys(target_phys_addr_t addr);
99 uint64_t ldq_phys(target_phys_addr_t addr);
100 void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val);
101 void stq_phys_notdirty(target_phys_addr_t addr, uint64_t val);
102 void stw_phys(target_phys_addr_t addr, uint32_t val);
103 void stl_phys(target_phys_addr_t addr, uint32_t val);
104 void stq_phys(target_phys_addr_t addr, uint64_t val);
105 #endif
106
107 void cpu_physical_memory_write_rom(target_phys_addr_t addr,
108 const uint8_t *buf, int len);
109
110 extern struct MemoryRegion io_mem_ram;
111 extern struct MemoryRegion io_mem_rom;
112 extern struct MemoryRegion io_mem_unassigned;
113 extern struct MemoryRegion io_mem_notdirty;
114
115 #endif
116
117 #endif /* !CPU_COMMON_H */