hw/hw.h

   1 /* Declarations for use by hardware emulation.  */
   2 #ifndef QEMU_HW_H
   3 #define QEMU_HW_H
   4
   5 #include "qemu-common.h"
   6 #include "irq.h"
   7
   8 /* VM Load/Save */
   9
  10 QEMUFile *qemu_fopen(const char *filename, const char *mode);
  11 void qemu_fflush(QEMUFile *f);
  12 void qemu_fclose(QEMUFile *f);
  13 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size);
  14 void qemu_put_byte(QEMUFile *f, int v);
  15 void qemu_put_be16(QEMUFile *f, unsigned int v);
  16 void qemu_put_be32(QEMUFile *f, unsigned int v);
  17 void qemu_put_be64(QEMUFile *f, uint64_t v);
  18 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size);
  19 int qemu_get_byte(QEMUFile *f);
  20 unsigned int qemu_get_be16(QEMUFile *f);
  21 unsigned int qemu_get_be32(QEMUFile *f);
  22 uint64_t qemu_get_be64(QEMUFile *f);
  23
  24 static inline void qemu_put_be64s(QEMUFile *f, const uint64_t *pv)
  25 {
  26     qemu_put_be64(f, *pv);
  27 }
  28
  29 static inline void qemu_put_be32s(QEMUFile *f, const uint32_t *pv)
  30 {
  31     qemu_put_be32(f, *pv);
  32 }
  33
  34 static inline void qemu_put_be16s(QEMUFile *f, const uint16_t *pv)
  35 {
  36     qemu_put_be16(f, *pv);
  37 }
  38
  39 static inline void qemu_put_8s(QEMUFile *f, const uint8_t *pv)
  40 {
  41     qemu_put_byte(f, *pv);
  42 }
  43
  44 static inline void qemu_get_be64s(QEMUFile *f, uint64_t *pv)
  45 {
  46     *pv = qemu_get_be64(f);
  47 }
  48
  49 static inline void qemu_get_be32s(QEMUFile *f, uint32_t *pv)
  50 {
  51     *pv = qemu_get_be32(f);
  52 }
  53
  54 static inline void qemu_get_be16s(QEMUFile *f, uint16_t *pv)
  55 {
  56     *pv = qemu_get_be16(f);
  57 }
  58
  59 static inline void qemu_get_8s(QEMUFile *f, uint8_t *pv)
  60 {
  61     *pv = qemu_get_byte(f);
  62 }
  63
  64 #ifdef NEED_CPU_H
  65 #if TARGET_LONG_BITS == 64
  66 #define qemu_put_betl qemu_put_be64
  67 #define qemu_get_betl qemu_get_be64
  68 #define qemu_put_betls qemu_put_be64s
  69 #define qemu_get_betls qemu_get_be64s
  70 #else
  71 #define qemu_put_betl qemu_put_be32
  72 #define qemu_get_betl qemu_get_be32
  73 #define qemu_put_betls qemu_put_be32s
  74 #define qemu_get_betls qemu_get_be32s
  75 #endif
  76 #endif
  77
  78 int64_t qemu_ftell(QEMUFile *f);
  79 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence);
  80
  81 typedef void SaveStateHandler(QEMUFile *f, void *opaque);
  82 typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);
  83
  84 int register_savevm(const char *idstr,
  85                     int instance_id,
  86                     int version_id,
  87                     SaveStateHandler *save_state,
  88                     LoadStateHandler *load_state,
  89                     void *opaque);
  90
  91 typedef void QEMUResetHandler(void *opaque);
  92
  93 void qemu_register_reset(QEMUResetHandler *func, void *opaque);
  94
  95 /* handler to set the boot_device for a specific type of QEMUMachine */
  96 /* return 0 if success */
  97 typedef int QEMUBootSetHandler(void *opaque, const char *boot_device);
  98 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque);
  99
 100 /* These should really be in isa.h, but are here to make pc.h happy.  */
 101 typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
 102 typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);
 103
 104 #endif