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/* Declarations for use by hardware emulation.  */
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#ifndef QEMU_HW_H
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#define QEMU_HW_H
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#include "qemu-common.h"
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#if defined(TARGET_PHYS_ADDR_BITS) && !defined(NEED_CPU_H)
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#include "targphys.h"
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#include "poison.h"
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#include "cpu-common.h"
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#endif
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#include "ioport.h"
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#include "irq.h"
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/* VM Load/Save */
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/* This function writes a chunk of data to a file at the given position.
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 * The pos argument can be ignored if the file is only being used for
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 * streaming.  The handler should try to write all of the data it can.
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 */
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typedef int (QEMUFilePutBufferFunc)(void *opaque, const uint8_t *buf,
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                                    int64_t pos, int size);
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/* Read a chunk of data from a file at the given position.  The pos argument
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 * can be ignored if the file is only be used for streaming.  The number of
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 * bytes actually read should be returned.
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 */
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typedef int (QEMUFileGetBufferFunc)(void *opaque, uint8_t *buf,
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                                    int64_t pos, int size);
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/* Close a file and return an error code */
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typedef int (QEMUFileCloseFunc)(void *opaque);
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/* Called to determine if the file has exceeded it's bandwidth allocation.  The
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 * bandwidth capping is a soft limit, not a hard limit.
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 */
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typedef int (QEMUFileRateLimit)(void *opaque);
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/* Called to change the current bandwidth allocation. This function must return
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 * the new actual bandwidth. It should be new_rate if everything goes ok, and
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 * the old rate otherwise
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 */
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typedef size_t (QEMUFileSetRateLimit)(void *opaque, size_t new_rate);
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QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
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                         QEMUFileGetBufferFunc *get_buffer,
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                         QEMUFileCloseFunc *close,
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                         QEMUFileRateLimit *rate_limit,
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                         QEMUFileSetRateLimit *set_rate_limit);
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QEMUFile *qemu_fopen(const char *filename, const char *mode);
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QEMUFile *qemu_fdopen(int fd, const char *mode);
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QEMUFile *qemu_fopen_socket(int fd);
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QEMUFile *qemu_popen(FILE *popen_file, const char *mode);
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QEMUFile *qemu_popen_cmd(const char *command, const char *mode);
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int qemu_stdio_fd(QEMUFile *f);
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void qemu_fflush(QEMUFile *f);
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int qemu_fclose(QEMUFile *f);
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void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size);
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void qemu_put_byte(QEMUFile *f, int v);
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static inline void qemu_put_ubyte(QEMUFile *f, unsigned int v)
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{
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    qemu_put_byte(f, (int)v);
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}
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#define qemu_put_sbyte qemu_put_byte
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void qemu_put_be16(QEMUFile *f, unsigned int v);
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void qemu_put_be32(QEMUFile *f, unsigned int v);
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void qemu_put_be64(QEMUFile *f, uint64_t v);
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int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size);
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int qemu_get_byte(QEMUFile *f);
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static inline unsigned int qemu_get_ubyte(QEMUFile *f)
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{
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    return (unsigned int)qemu_get_byte(f);
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}
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#define qemu_get_sbyte qemu_get_byte
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unsigned int qemu_get_be16(QEMUFile *f);
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unsigned int qemu_get_be32(QEMUFile *f);
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uint64_t qemu_get_be64(QEMUFile *f);
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int qemu_file_rate_limit(QEMUFile *f);
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size_t qemu_file_set_rate_limit(QEMUFile *f, size_t new_rate);
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int qemu_file_has_error(QEMUFile *f);
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void qemu_file_set_error(QEMUFile *f);
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/* Try to send any outstanding data.  This function is useful when output is
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 * halted due to rate limiting or EAGAIN errors occur as it can be used to
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 * resume output. */
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void qemu_file_put_notify(QEMUFile *f);
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static inline void qemu_put_be64s(QEMUFile *f, const uint64_t *pv)
96
{
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    qemu_put_be64(f, *pv);
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}
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static inline void qemu_put_be32s(QEMUFile *f, const uint32_t *pv)
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{
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    qemu_put_be32(f, *pv);
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}
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static inline void qemu_put_be16s(QEMUFile *f, const uint16_t *pv)
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{
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    qemu_put_be16(f, *pv);
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}
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static inline void qemu_put_8s(QEMUFile *f, const uint8_t *pv)
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{
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    qemu_put_byte(f, *pv);
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}
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static inline void qemu_get_be64s(QEMUFile *f, uint64_t *pv)
116
{
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    *pv = qemu_get_be64(f);
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}
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static inline void qemu_get_be32s(QEMUFile *f, uint32_t *pv)
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{
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    *pv = qemu_get_be32(f);
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}
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static inline void qemu_get_be16s(QEMUFile *f, uint16_t *pv)
126
{
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    *pv = qemu_get_be16(f);
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}
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static inline void qemu_get_8s(QEMUFile *f, uint8_t *pv)
131
{
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    *pv = qemu_get_byte(f);
133
}
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// Signed versions for type safety
136
static inline void qemu_put_sbuffer(QEMUFile *f, const int8_t *buf, int size)
137
{
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    qemu_put_buffer(f, (const uint8_t *)buf, size);
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}
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static inline void qemu_put_sbe16(QEMUFile *f, int v)
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{
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    qemu_put_be16(f, (unsigned int)v);
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}
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static inline void qemu_put_sbe32(QEMUFile *f, int v)
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{
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    qemu_put_be32(f, (unsigned int)v);
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}
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static inline void qemu_put_sbe64(QEMUFile *f, int64_t v)
152
{
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    qemu_put_be64(f, (uint64_t)v);
154
}
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static inline size_t qemu_get_sbuffer(QEMUFile *f, int8_t *buf, int size)
157
{
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    return qemu_get_buffer(f, (uint8_t *)buf, size);
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}
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static inline int qemu_get_sbe16(QEMUFile *f)
162
{
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    return (int)qemu_get_be16(f);
164
}
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static inline int qemu_get_sbe32(QEMUFile *f)
167
{
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    return (int)qemu_get_be32(f);
169
}
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static inline int64_t qemu_get_sbe64(QEMUFile *f)
172
{
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    return (int64_t)qemu_get_be64(f);
174
}
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static inline void qemu_put_s8s(QEMUFile *f, const int8_t *pv)
177
{
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    qemu_put_8s(f, (const uint8_t *)pv);
179
}
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static inline void qemu_put_sbe16s(QEMUFile *f, const int16_t *pv)
182
{
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    qemu_put_be16s(f, (const uint16_t *)pv);
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}
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static inline void qemu_put_sbe32s(QEMUFile *f, const int32_t *pv)
187
{
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    qemu_put_be32s(f, (const uint32_t *)pv);
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}
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static inline void qemu_put_sbe64s(QEMUFile *f, const int64_t *pv)
192
{
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    qemu_put_be64s(f, (const uint64_t *)pv);
194
}
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static inline void qemu_get_s8s(QEMUFile *f, int8_t *pv)
197
{
198
    qemu_get_8s(f, (uint8_t *)pv);
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}
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static inline void qemu_get_sbe16s(QEMUFile *f, int16_t *pv)
202
{
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    qemu_get_be16s(f, (uint16_t *)pv);
204
}
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static inline void qemu_get_sbe32s(QEMUFile *f, int32_t *pv)
207
{
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    qemu_get_be32s(f, (uint32_t *)pv);
209
}
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static inline void qemu_get_sbe64s(QEMUFile *f, int64_t *pv)
212
{
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    qemu_get_be64s(f, (uint64_t *)pv);
214
}
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#ifdef NEED_CPU_H
217
#if TARGET_LONG_BITS == 64
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#define qemu_put_betl qemu_put_be64
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#define qemu_get_betl qemu_get_be64
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#define qemu_put_betls qemu_put_be64s
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#define qemu_get_betls qemu_get_be64s
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#define qemu_put_sbetl qemu_put_sbe64
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#define qemu_get_sbetl qemu_get_sbe64
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#define qemu_put_sbetls qemu_put_sbe64s
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#define qemu_get_sbetls qemu_get_sbe64s
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#else
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#define qemu_put_betl qemu_put_be32
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#define qemu_get_betl qemu_get_be32
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#define qemu_put_betls qemu_put_be32s
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#define qemu_get_betls qemu_get_be32s
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#define qemu_put_sbetl qemu_put_sbe32
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#define qemu_get_sbetl qemu_get_sbe32
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#define qemu_put_sbetls qemu_put_sbe32s
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#define qemu_get_sbetls qemu_get_sbe32s
235
#endif
236
#endif
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int64_t qemu_ftell(QEMUFile *f);
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int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence);
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typedef void SaveStateHandler(QEMUFile *f, void *opaque);
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typedef int SaveLiveStateHandler(QEMUFile *f, int stage, void *opaque);
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typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);
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int register_savevm(const char *idstr,
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                    int instance_id,
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                    int version_id,
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                    SaveStateHandler *save_state,
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                    LoadStateHandler *load_state,
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                    void *opaque);
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int register_savevm_live(const char *idstr,
253
                         int instance_id,
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                         int version_id,
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                         SaveLiveStateHandler *save_live_state,
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                         SaveStateHandler *save_state,
257
                         LoadStateHandler *load_state,
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                         void *opaque);
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void unregister_savevm(const char *idstr, void *opaque);
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typedef void QEMUResetHandler(void *opaque);
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264
void qemu_register_reset(QEMUResetHandler *func, void *opaque);
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void qemu_unregister_reset(QEMUResetHandler *func, void *opaque);
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/* handler to set the boot_device order for a specific type of QEMUMachine */
268
/* return 0 if success */
269
typedef int QEMUBootSetHandler(void *opaque, const char *boot_devices);
270
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque);
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int qemu_boot_set(const char *boot_devices);
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typedef struct VMStateInfo VMStateInfo;
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typedef struct VMStateDescription VMStateDescription;
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struct VMStateInfo {
277
    const char *name;
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    int (*get)(QEMUFile *f, void *pv, size_t size);
279
    void (*put)(QEMUFile *f, void *pv, size_t size);
280
};
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enum VMStateFlags {
283
    VMS_SINGLE  = 0x001,
284
    VMS_POINTER = 0x002,
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    VMS_ARRAY   = 0x004,
286
    VMS_STRUCT  = 0x008,
287
    VMS_VARRAY  = 0x010,  /* Array with size in another field */
288
    VMS_BUFFER  = 0x020,  /* static sized buffer */
289
};
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typedef struct {
292
    const char *name;
293
    size_t offset;
294
    size_t size;
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    int num;
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    size_t num_offset;
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    const VMStateInfo *info;
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    enum VMStateFlags flags;
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    const VMStateDescription *vmsd;
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    int version_id;
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} VMStateField;
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struct VMStateDescription {
304
    const char *name;
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    int version_id;
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    int minimum_version_id;
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    int minimum_version_id_old;
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    LoadStateHandler *load_state_old;
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    int (*pre_load)(void *opaque);
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    int (*post_load)(void *opaque, int version_id);
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    void (*pre_save)(const void *opaque);
312
    void (*post_save)(const void *opaque);
313
    VMStateField *fields;
314
};
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extern const VMStateInfo vmstate_info_int8;
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extern const VMStateInfo vmstate_info_int16;
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extern const VMStateInfo vmstate_info_int32;
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extern const VMStateInfo vmstate_info_int64;
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extern const VMStateInfo vmstate_info_uint8_equal;
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extern const VMStateInfo vmstate_info_int32_equal;
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extern const VMStateInfo vmstate_info_int32_le;
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extern const VMStateInfo vmstate_info_uint8;
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extern const VMStateInfo vmstate_info_uint16;
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extern const VMStateInfo vmstate_info_uint32;
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extern const VMStateInfo vmstate_info_uint64;
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extern const VMStateInfo vmstate_info_timer;
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extern const VMStateInfo vmstate_info_ptimer;
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extern const VMStateInfo vmstate_info_buffer;
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#define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
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#define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
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#define VMSTATE_SINGLE(_field, _state, _version, _info, _type) {     \
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    .name       = (stringify(_field)),                               \
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    .version_id = (_version),                                        \
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    .size       = sizeof(_type),                                     \
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    .info       = &(_info),                                          \
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    .flags      = VMS_SINGLE,                                        \
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    .offset     = offsetof(_state, _field)                           \
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            + type_check(_type,typeof_field(_state, _field))         \
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}
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#define VMSTATE_POINTER(_field, _state, _version, _info, _type) {    \
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    .name       = (stringify(_field)),                               \
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    .version_id = (_version),                                        \
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    .info       = &(_info),                                          \
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    .size       = sizeof(_type),                                     \
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    .flags      = VMS_SINGLE|VMS_POINTER,                            \
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    .offset     = offsetof(_state, _field)                           \
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            + type_check(_type,typeof_field(_state, _field))         \
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}
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#define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
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    .name       = (stringify(_field)),                               \
359
    .version_id = (_version),                                        \
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    .num        = (_num),                                            \
361
    .info       = &(_info),                                          \
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    .size       = sizeof(_type),                                     \
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    .flags      = VMS_ARRAY,                                         \
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    .offset     = offsetof(_state, _field)                           \
365
        + type_check_array(_type,typeof_field(_state, _field),_num)  \
366
}
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#define VMSTATE_VARRAY(_field, _state, _field_num, _version, _info, _type) {\
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    .name       = (stringify(_field)),                               \
370
    .version_id = (_version),                                        \
371
    .num_offset = offsetof(_state, _field_num)                       \
372
        + type_check(int32_t,typeof_field(_state, _field_num)),      \
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    .info       = &(_info),                                          \
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    .size       = sizeof(_type),                                     \
375
    .flags      = VMS_VARRAY|VMS_POINTER,                            \
376
    .offset     = offsetof(_state, _field)                           \
377
        + type_check_pointer(_type,typeof_field(_state, _field))     \
378
}
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#define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) {     \
381
    .name       = (stringify(_field)),                               \
382
    .version_id = (_version),                                        \
383
    .vmsd       = &(_vmsd),                                          \
384
    .size       = sizeof(_type),                                     \
385
    .flags      = VMS_STRUCT,                                        \
386
    .offset     = offsetof(_state, _field)                           \
387
            + type_check(_type,typeof_field(_state, _field))         \
388
}
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390
#define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) { \
391
    .name       = (stringify(_field)),                               \
392
    .num        = (_num),                                            \
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    .version_id = (_version),                                        \
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    .vmsd       = &(_vmsd),                                          \
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    .size       = sizeof(_type),                                     \
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    .flags      = VMS_STRUCT|VMS_ARRAY,                              \
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    .offset     = offsetof(_state, _field)                           \
398
        + type_check_array(_type,typeof_field(_state, _field),_num)  \
399
}
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401
#define VMSTATE_STATIC_BUFFER(_field, _state, _version) {            \
402
    .name       = (stringify(_field)),                               \
403
    .version_id = (_version),                                        \
404
    .size       = sizeof(typeof_field(_state,_field)),               \
405
    .info       = &vmstate_info_buffer,                              \
406
    .flags      = VMS_BUFFER,                                        \
407
    .offset     = offsetof(_state, _field)                           \
408
        + type_check_array(uint8_t,typeof_field(_state, _field),sizeof(typeof_field(_state,_field))) \
409
}
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#define VMSTATE_BUFFER_START_MIDDLE(_field, _state, start) {         \
412
    .name       = (stringify(_field)),                               \
413
    .size       = sizeof(typeof_field(_state,_field)) - start,       \
414
    .info       = &vmstate_info_buffer,                              \
415
    .flags      = VMS_BUFFER,                                        \
416
    .offset     = offsetof(_state, _field) + start                   \
417
        + type_check_array(uint8_t,typeof_field(_state, _field),sizeof(typeof_field(_state,_field))) \
418
}
419

    
420
extern const VMStateDescription vmstate_pci_device;
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422
#define VMSTATE_PCI_DEVICE(_field, _state) {                         \
423
    .name       = (stringify(_field)),                               \
424
    .size       = sizeof(PCIDevice),                                 \
425
    .vmsd       = &vmstate_pci_device,                               \
426
    .flags      = VMS_STRUCT,                                        \
427
    .offset     = offsetof(_state, _field)                           \
428
            + type_check(PCIDevice,typeof_field(_state, _field))     \
429
}
430

    
431
/* _f : field name
432
   _f_n : num of elements field_name
433
   _n : num of elements
434
   _s : struct state name
435
   _v : version
436
*/
437

    
438
#define VMSTATE_INT8_V(_f, _s, _v)                                    \
439
    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
440
#define VMSTATE_INT16_V(_f, _s, _v)                                   \
441
    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)
442
#define VMSTATE_INT32_V(_f, _s, _v)                                   \
443
    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)
444
#define VMSTATE_INT64_V(_f, _s, _v)                                   \
445
    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)
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447
#define VMSTATE_UINT8_V(_f, _s, _v)                                   \
448
    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)
449
#define VMSTATE_UINT16_V(_f, _s, _v)                                  \
450
    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)
451
#define VMSTATE_UINT32_V(_f, _s, _v)                                  \
452
    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)
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#define VMSTATE_UINT64_V(_f, _s, _v)                                  \
454
    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
455

    
456
#define VMSTATE_INT8(_f, _s)                                          \
457
    VMSTATE_INT8_V(_f, _s, 0)
458
#define VMSTATE_INT16(_f, _s)                                         \
459
    VMSTATE_INT16_V(_f, _s, 0)
460
#define VMSTATE_INT32(_f, _s)                                         \
461
    VMSTATE_INT32_V(_f, _s, 0)
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#define VMSTATE_INT64(_f, _s)                                         \
463
    VMSTATE_INT64_V(_f, _s, 0)
464

    
465
#define VMSTATE_UINT8(_f, _s)                                         \
466
    VMSTATE_UINT8_V(_f, _s, 0)
467
#define VMSTATE_UINT16(_f, _s)                                        \
468
    VMSTATE_UINT16_V(_f, _s, 0)
469
#define VMSTATE_UINT32(_f, _s)                                        \
470
    VMSTATE_UINT32_V(_f, _s, 0)
471
#define VMSTATE_UINT64(_f, _s)                                        \
472
    VMSTATE_UINT64_V(_f, _s, 0)
473

    
474
#define VMSTATE_UINT8_EQUAL(_f, _s)                                   \
475
    VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
476

    
477
#define VMSTATE_INT32_EQUAL(_f, _s)                                   \
478
    VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
479

    
480
#define VMSTATE_INT32_LE(_f, _s)                                   \
481
    VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
482

    
483
#define VMSTATE_TIMER_V(_f, _s, _v)                                   \
484
    VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *)
485

    
486
#define VMSTATE_TIMER(_f, _s)                                         \
487
    VMSTATE_TIMER_V(_f, _s, 0)
488

    
489
#define VMSTATE_PTIMER_V(_f, _s, _v)                                  \
490
    VMSTATE_POINTER(_f, _s, _v, vmstate_info_ptimer, ptimer_state *)
491

    
492
#define VMSTATE_PTIMER(_f, _s)                                        \
493
    VMSTATE_PTIMER_V(_f, _s, 0)
494

    
495
#define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v)                         \
496
    VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
497

    
498
#define VMSTATE_UINT16_ARRAY(_f, _s, _n)                               \
499
    VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
500

    
501
#define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v)                        \
502
    VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
503

    
504
#define VMSTATE_UINT32_ARRAY(_f, _s, _n)                              \
505
    VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
506

    
507
#define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v)                        \
508
    VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t)
509

    
510
#define VMSTATE_UINT64_ARRAY(_f, _s, _n)                              \
511
    VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
512

    
513
#define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v)                         \
514
    VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
515

    
516
#define VMSTATE_INT32_ARRAY(_f, _s, _n)                               \
517
    VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
518

    
519
#define VMSTATE_INT32_VARRAY_V(_f, _s, _f_n, _v)                      \
520
    VMSTATE_VARRAY(_f, _s, _f_n, _v, vmstate_info_int32, int32_t)
521

    
522
#define VMSTATE_INT32_VARRAY(_f, _s, _f_n)                            \
523
    VMSTATE_INT32_VARRAY_V(_f, _s, _f_n, 0)
524

    
525
#define VMSTATE_BUFFER_V(_f, _s, _v)                                  \
526
    VMSTATE_STATIC_BUFFER(_f, _s, _v)
527

    
528
#define VMSTATE_BUFFER(_f, _s)                                        \
529
    VMSTATE_STATIC_BUFFER(_f, _s, 0)
530

    
531
#define VMSTATE_END_OF_LIST()                                         \
532
    {}
533

    
534
extern int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
535
                              void *opaque, int version_id);
536
extern void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
537
                               void *opaque);
538
extern int vmstate_register(int instance_id, const VMStateDescription *vmsd,
539
                            void *base);
540
void vmstate_unregister(const VMStateDescription *vmsd, void *opaque);
541
#endif