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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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#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 void (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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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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QEMUFile *qemu_fopen(const char *filename, const char *mode); |
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QEMUFile *qemu_fopen_fd(int fd);
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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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/* 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) |
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{ |
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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) |
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{ |
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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) |
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{ |
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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) |
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{ |
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*pv = qemu_get_byte(f); |
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} |
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// Signed versions for type safety
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static inline void qemu_put_sbuffer(QEMUFile *f, const int8_t *buf, int size) |
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{ |
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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) |
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{ |
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qemu_put_be64(f, (uint64_t)v); |
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} |
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static inline size_t qemu_get_sbuffer(QEMUFile *f, int8_t *buf, int size) |
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{ |
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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) |
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{ |
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return (int)qemu_get_be16(f); |
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} |
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static inline int qemu_get_sbe32(QEMUFile *f) |
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{ |
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return (int)qemu_get_be32(f); |
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} |
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static inline int64_t qemu_get_sbe64(QEMUFile *f) |
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{ |
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return (int64_t)qemu_get_be64(f);
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} |
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static inline void qemu_put_s8s(QEMUFile *f, const int8_t *pv) |
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{ |
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qemu_put_8s(f, (const uint8_t *)pv);
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} |
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static inline void qemu_put_sbe16s(QEMUFile *f, const int16_t *pv) |
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{ |
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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) |
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{ |
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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) |
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{ |
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qemu_put_be64s(f, (const uint64_t *)pv);
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} |
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static inline void qemu_get_s8s(QEMUFile *f, int8_t *pv) |
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{ |
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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) |
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{ |
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qemu_get_be16s(f, (uint16_t *)pv); |
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} |
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static inline void qemu_get_sbe32s(QEMUFile *f, int32_t *pv) |
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{ |
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qemu_get_be32s(f, (uint32_t *)pv); |
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} |
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static inline void qemu_get_sbe64s(QEMUFile *f, int64_t *pv) |
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{ |
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qemu_get_be64s(f, (uint64_t *)pv); |
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} |
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#ifdef NEED_CPU_H
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#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
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#endif
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#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 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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typedef void QEMUResetHandler(void *opaque); |
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void qemu_register_reset(QEMUResetHandler *func, void *opaque); |
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/* handler to set the boot_device for a specific type of QEMUMachine */
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/* return 0 if success */
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typedef int QEMUBootSetHandler(void *opaque, const char *boot_device); |
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void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque); |
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/* These should really be in isa.h, but are here to make pc.h happy. */
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typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data); |
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typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address); |
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#endif
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