Archipelago » qemu

#ifndef CPU_COMMON_H

#define CPU_COMMON_H 1

/* CPU interfaces that are target independent.  */

#ifndef CONFIG_USER_ONLY

#include "exec/hwaddr.h"

#endif

#ifndef NEED_CPU_H

#include "exec/poison.h"

#endif

#include "qemu/bswap.h"

#include "qemu/queue.h"

/**

 * CPUListState:

 * @cpu_fprintf: Print function.

 * @file: File to print to using @cpu_fprint.

 *

 * State commonly used for iterating over CPU models.

 */

typedef struct CPUListState {

    fprintf_function cpu_fprintf;

    FILE *file;

} CPUListState;

#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

/* memory API */

typedef void CPUWriteMemoryFunc(void *opaque, hwaddr addr, uint32_t value);

typedef uint32_t CPUReadMemoryFunc(void *opaque, hwaddr addr);

void qemu_ram_remap(ram_addr_t addr, ram_addr_t length);

/* This should not be used by devices.  */

MemoryRegion *qemu_ram_addr_from_host(void *ptr, ram_addr_t *ram_addr);

void qemu_ram_set_idstr(ram_addr_t addr, const char *name, DeviceState *dev);

void cpu_physical_memory_rw(hwaddr addr, uint8_t *buf,

                            int len, int is_write);

static inline void cpu_physical_memory_read(hwaddr addr,

                                            void *buf, int len)

{

    cpu_physical_memory_rw(addr, buf, len, 0);

}

static inline void cpu_physical_memory_write(hwaddr addr,

                                             const void *buf, int len)

{

    cpu_physical_memory_rw(addr, (void *)buf, len, 1);

}

void *cpu_physical_memory_map(hwaddr addr,

                              hwaddr *plen,

                              int is_write);

void cpu_physical_memory_unmap(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(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(hwaddr addr);

uint32_t lduw_le_phys(hwaddr addr);

uint32_t lduw_be_phys(hwaddr addr);

uint32_t ldl_le_phys(hwaddr addr);

uint32_t ldl_be_phys(hwaddr addr);

uint64_t ldq_le_phys(hwaddr addr);

uint64_t ldq_be_phys(hwaddr addr);

void stb_phys(hwaddr addr, uint32_t val);

void stw_le_phys(hwaddr addr, uint32_t val);

void stw_be_phys(hwaddr addr, uint32_t val);

void stl_le_phys(hwaddr addr, uint32_t val);

void stl_be_phys(hwaddr addr, uint32_t val);

void stq_le_phys(hwaddr addr, uint64_t val);

void stq_be_phys(hwaddr addr, uint64_t val);

#ifdef NEED_CPU_H

uint32_t lduw_phys(hwaddr addr);

uint32_t ldl_phys(hwaddr addr);

uint64_t ldq_phys(hwaddr addr);

void stl_phys_notdirty(hwaddr addr, uint32_t val);

void stw_phys(hwaddr addr, uint32_t val);

void stl_phys(hwaddr addr, uint32_t val);

void stq_phys(hwaddr addr, uint64_t val);

#endif

void cpu_physical_memory_write_rom(hwaddr addr,

                                   const uint8_t *buf, int len);

extern struct MemoryRegion io_mem_rom;

extern struct MemoryRegion io_mem_notdirty;

typedef void (RAMBlockIterFunc)(void *host_addr,

    ram_addr_t offset, ram_addr_t length, void *opaque);

void qemu_ram_foreach_block(RAMBlockIterFunc func, void *opaque);

#endif

#endif /* !CPU_COMMON_H */