vl.h

   1 /*
   2  * QEMU System Emulator header
   3  *
   4  * Copyright (c) 2003 Fabrice Bellard
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #ifndef VL_H
  25 #define VL_H
  26
  27 /* vl.c */
  28 struct CPUX86State;
  29 extern int reset_requested;
  30 extern int64_t ticks_per_sec;
  31
  32 typedef void (IOPortWriteFunc)(struct CPUX86State *env, uint32_t address, uint32_t data);
  33 typedef uint32_t (IOPortReadFunc)(struct CPUX86State *env, uint32_t address);
  34
  35 void *get_mmap_addr(unsigned long size);
  36 int register_ioport_read(int start, int length, IOPortReadFunc *func, int size);
  37 int register_ioport_write(int start, int length, IOPortWriteFunc *func, int size);
  38 void pic_set_irq(int irq, int level);
  39 int64_t cpu_get_ticks(void);
  40
  41 void kbd_put_keycode(int keycode);
  42
  43 #define MOUSE_EVENT_LBUTTON 0x01
  44 #define MOUSE_EVENT_RBUTTON 0x02
  45 #define MOUSE_EVENT_MBUTTON 0x04
  46 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state);
  47
  48 /* block.c */
  49 typedef struct BlockDriverState BlockDriverState;
  50
  51 BlockDriverState *bdrv_open(const char *filename, int snapshot);
  52 void bdrv_close(BlockDriverState *bs);
  53 int bdrv_read(BlockDriverState *bs, int64_t sector_num,
  54               uint8_t *buf, int nb_sectors);
  55 int bdrv_write(BlockDriverState *bs, int64_t sector_num,
  56                const uint8_t *buf, int nb_sectors);
  57 void bdrv_get_geometry(BlockDriverState *bs, int64_t *nb_sectors_ptr);
  58 int bdrv_commit(BlockDriverState *bs);
  59
  60 /* user mode linux compatible COW file */
  61 #define COW_MAGIC 0x4f4f4f4d  /* MOOO */
  62 #define COW_VERSION 2
  63
  64 struct cow_header_v2 {
  65     uint32_t magic;
  66     uint32_t version;
  67     char backing_file[1024];
  68     int32_t mtime;
  69     uint64_t size;
  70     uint32_t sectorsize;
  71 };
  72
  73 /* vga.c */
  74
  75 #define VGA_RAM_SIZE (8192 * 1024)
  76
  77 typedef struct DisplayState {
  78     uint8_t *data;
  79     int linesize;
  80     int depth;
  81     void (*dpy_update)(struct DisplayState *s, int x, int y, int w, int h);
  82     void (*dpy_resize)(struct DisplayState *s, int w, int h);
  83     void (*dpy_refresh)(struct DisplayState *s);
  84 } DisplayState;
  85
  86 static inline void dpy_update(DisplayState *s, int x, int y, int w, int h)
  87 {
  88     s->dpy_update(s, x, y, w, h);
  89 }
  90
  91 static inline void dpy_resize(DisplayState *s, int w, int h)
  92 {
  93     s->dpy_resize(s, w, h);
  94 }
  95
  96 int vga_init(DisplayState *ds, uint8_t *vga_ram_base,
  97              unsigned long vga_ram_offset, int vga_ram_size);
  98 void vga_update_display(void);
  99
 100 /* sdl.c */
 101 void sdl_display_init(DisplayState *ds);
 102
 103 /* ide.c */
 104 #define MAX_DISKS 4
 105
 106 extern BlockDriverState *bs_table[MAX_DISKS];
 107
 108 void ide_init(void);
 109 void ide_set_geometry(int n, int cyls, int heads, int secs);
 110 void ide_set_cdrom(int n, int is_cdrom);
 111
 112 /* oss.c */
 113 typedef enum {
 114   AUD_FMT_U8,
 115   AUD_FMT_S8,
 116   AUD_FMT_U16,
 117   AUD_FMT_S16
 118 } audfmt_e;
 119
 120 void AUD_open (int rfreq, int rnchannels, audfmt_e rfmt);
 121 void AUD_reset (int rfreq, int rnchannels, audfmt_e rfmt);
 122 int AUD_write (void *in_buf, int size);
 123 void AUD_run (void);
 124 void AUD_adjust_estimate (int _leftover);
 125 int AUD_get_free (void);
 126 int AUD_get_live (void);
 127 int AUD_get_buffer_size (void);
 128 void AUD_init (void);
 129
 130 /* dma.c */
 131 typedef int (*DMA_read_handler) (uint32_t addr, int size, int *irq);
 132 typedef int (*DMA_misc_handler) (int);
 133
 134 int DMA_get_channel_mode (int nchan);
 135 void DMA_hold_DREQ (int nchan);
 136 void DMA_release_DREQ (int nchan);
 137 void DMA_run (void);
 138 void DMA_init (void);
 139 void DMA_register_channel (int nchan,
 140                            DMA_read_handler read_handler,
 141                            DMA_misc_handler misc_handler);
 142
 143 /* sb16.c */
 144 void SB16_run (void);
 145 void SB16_init (void);
 146
 147 #endif /* VL_H */