2 * QEMU System Emulator header
4 * Copyright (c) 2003 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
30 extern int reset_requested
;
31 extern int64_t ticks_per_sec
;
33 typedef void (IOPortWriteFunc
)(struct CPUState
*env
, uint32_t address
, uint32_t data
);
34 typedef uint32_t (IOPortReadFunc
)(struct CPUState
*env
, uint32_t address
);
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);
41 void kbd_put_keycode(int keycode
);
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
);
49 typedef struct BlockDriverState BlockDriverState
;
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 void bdrv_set_boot_sector(BlockDriverState
*bs
, const uint8_t *data
, int size
);
61 /* user mode linux compatible COW file */
62 #define COW_MAGIC 0x4f4f4f4d /* MOOO */
65 struct cow_header_v2
{
68 char backing_file
[1024];
76 #define VGA_RAM_SIZE (4096 * 1024)
78 typedef struct DisplayState
{
82 void (*dpy_update
)(struct DisplayState
*s
, int x
, int y
, int w
, int h
);
83 void (*dpy_resize
)(struct DisplayState
*s
, int w
, int h
);
84 void (*dpy_refresh
)(struct DisplayState
*s
);
87 static inline void dpy_update(DisplayState
*s
, int x
, int y
, int w
, int h
)
89 s
->dpy_update(s
, x
, y
, w
, h
);
92 static inline void dpy_resize(DisplayState
*s
, int w
, int h
)
94 s
->dpy_resize(s
, w
, h
);
97 int vga_initialize(DisplayState
*ds
, uint8_t *vga_ram_base
,
98 unsigned long vga_ram_offset
, int vga_ram_size
);
99 void vga_update_display(void);
102 void sdl_display_init(DisplayState
*ds
);
107 extern BlockDriverState
*bs_table
[MAX_DISKS
];
110 void ide_set_geometry(int n
, int cyls
, int heads
, int secs
);
111 void ide_set_cdrom(int n
, int is_cdrom
);
121 void AUD_open (int rfreq
, int rnchannels
, audfmt_e rfmt
);
122 void AUD_reset (int rfreq
, int rnchannels
, audfmt_e rfmt
);
123 int AUD_write (void *in_buf
, int size
);
125 void AUD_adjust_estimate (int _leftover
);
126 int AUD_get_free (void);
127 int AUD_get_live (void);
128 int AUD_get_buffer_size (void);
129 void AUD_init (void);
132 typedef int (*DMA_transfer_handler
) (void *opaque
, target_ulong addr
, int size
);
133 int DMA_get_channel_mode (int nchan
);
134 void DMA_hold_DREQ (int nchan
);
135 void DMA_release_DREQ (int nchan
);
136 void DMA_schedule(int nchan
);
138 void DMA_init (void);
139 void DMA_register_channel (int nchan
,
140 DMA_transfer_handler transfer_handler
, void *opaque
);
143 void SB16_run (void);
144 void SB16_init (void);
148 extern BlockDriverState
*fd_table
[MAX_FD
];
150 void cmos_register_fd (uint8_t fd0
, uint8_t fd1
);
151 void fdctrl_init (int irq_lvl
, int dma_chann
, int mem_mapped
, uint32_t base
,
153 int fdctrl_disk_change (int idx
, const unsigned char *filename
, int ro
);