unicorn/qemu/include/exec/cpu-common.h
Paolo Bonzini 918c626847
exec: remove ram_addr argument from qemu_ram_block_from_host
Of the two callers, one does not use it, and the other can compute
it itself based on the other output argument (offset) and the RAMBlock.

Backports commit f615f39616c4fd1a3a3b078af8d75bb4be6390de from qemu
2018-02-24 03:37:40 -05:00

117 lines
4.2 KiB
C

#ifndef CPU_COMMON_H
#define CPU_COMMON_H 1
/* CPU interfaces that are target independent. */
struct uc_struct;
#ifndef CONFIG_USER_ONLY
#include "exec/hwaddr.h"
#endif
#include "qemu/bswap.h"
#include "qemu/queue.h"
#include "qemu/fprintf-fn.h"
#include "qemu/typedefs.h"
typedef enum MMUAccessType {
MMU_DATA_LOAD = 0,
MMU_DATA_STORE = 1,
MMU_INST_FETCH = 2
} MMUAccessType;
#if !defined(CONFIG_USER_ONLY)
enum device_endian {
DEVICE_NATIVE_ENDIAN,
DEVICE_BIG_ENDIAN,
DEVICE_LITTLE_ENDIAN,
};
/* address in the RAM (different from a physical address) */
#if defined(CONFIG_XEN_BACKEND)
typedef uint64_t ram_addr_t;
# define RAM_ADDR_MAX UINT64_MAX
# define RAM_ADDR_FMT "%" PRIx64
#else
typedef uintptr_t ram_addr_t;
# define RAM_ADDR_MAX UINTPTR_MAX
# define RAM_ADDR_FMT "%" PRIxPTR
#endif
extern ram_addr_t ram_size;
/* memory API */
typedef void CPUWriteMemoryFunc(void *opaque, hwaddr addr, uint32_t value);
typedef uint32_t CPUReadMemoryFunc(void *opaque, hwaddr addr);
void qemu_ram_remap(struct uc_struct *uc, ram_addr_t addr, ram_addr_t length);
/* This should not be used by devices. */
MemoryRegion *qemu_ram_addr_from_host(struct uc_struct* uc, void *ptr, ram_addr_t *ram_addr);
RAMBlock *qemu_ram_block_by_name(struct uc_struct* uc, const char *name);
RAMBlock *qemu_ram_block_from_host(struct uc_struct* uc, void *ptr, bool round_offset,
ram_addr_t *offset);
void qemu_ram_set_idstr(struct uc_struct *uc, RAMBlock *block, const char *name, DeviceState *dev);
void qemu_ram_unset_idstr(struct uc_struct *uc, RAMBlock *block);
const char *qemu_ram_get_idstr(RAMBlock *rb);
bool cpu_physical_memory_rw(AddressSpace *as, hwaddr addr, uint8_t *buf,
int len, int is_write);
static inline void cpu_physical_memory_read(AddressSpace *as, hwaddr addr,
void *buf, int len)
{
cpu_physical_memory_rw(as, addr, buf, len, 0);
}
static inline void cpu_physical_memory_write(AddressSpace *as, hwaddr addr,
const void *buf, int len)
{
cpu_physical_memory_rw(as, addr, (void *)buf, len, 1);
}
void *cpu_physical_memory_map(AddressSpace *as, hwaddr addr,
hwaddr *plen,
int is_write);
void cpu_physical_memory_unmap(AddressSpace *as, void *buffer, hwaddr len,
int is_write, hwaddr access_len);
void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque));
bool cpu_physical_memory_is_io(AddressSpace *as, hwaddr phys_addr);
/* Coalesced MMIO regions are areas where write operations can be reordered.
* This usually implies that write operations are side-effect free. This allows
* batching which can make a major impact on performance when using
* virtualization.
*/
void qemu_flush_coalesced_mmio_buffer(void);
uint32_t ldub_phys(AddressSpace *as, hwaddr addr);
uint32_t lduw_le_phys(AddressSpace *as, hwaddr addr);
uint32_t lduw_be_phys(AddressSpace *as, hwaddr addr);
uint32_t ldl_le_phys(AddressSpace *as, hwaddr addr);
uint32_t ldl_be_phys(AddressSpace *as, hwaddr addr);
uint64_t ldq_le_phys(AddressSpace *as, hwaddr addr);
uint64_t ldq_be_phys(AddressSpace *as, hwaddr addr);
void stb_phys(AddressSpace *as, hwaddr addr, uint32_t val);
void stw_le_phys(AddressSpace *as, hwaddr addr, uint32_t val);
void stw_be_phys(AddressSpace *as, hwaddr addr, uint32_t val);
void stl_le_phys(AddressSpace *as, hwaddr addr, uint32_t val);
void stl_be_phys(AddressSpace *as, hwaddr addr, uint32_t val);
void stq_le_phys(AddressSpace *as, hwaddr addr, uint64_t val);
void stq_be_phys(AddressSpace *as, hwaddr addr, uint64_t val);
void cpu_physical_memory_write_rom(AddressSpace *as, hwaddr addr,
const uint8_t *buf, int len);
void cpu_flush_icache_range(AddressSpace *as, hwaddr start, int len);
extern struct MemoryRegion io_mem_rom;
extern struct MemoryRegion io_mem_notdirty;
typedef int (RAMBlockIterFunc)(const char *block_name, void *host_addr,
ram_addr_t offset, ram_addr_t length, void *opaque);
int qemu_ram_foreach_block(struct uc_struct *uc, RAMBlockIterFunc func, void *opaque);
#endif
#endif /* !CPU_COMMON_H */