vl.h

qemu虚拟机代码

int64_t qemu_get_clock(QEMUClock *clock);

QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque);
void qemu_free_timer(QEMUTimer *ts);
void qemu_del_timer(QEMUTimer *ts);
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time);
int qemu_timer_pending(QEMUTimer *ts);

extern int64_t ticks_per_sec;
extern int pit_min_timer_count;

void cpu_enable_ticks(void);
void cpu_disable_ticks(void);

/* VM Load/Save */

typedef FILE QEMUFile;

void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size);
void qemu_put_byte(QEMUFile *f, int v);
void qemu_put_be16(QEMUFile *f, unsigned int v);
void qemu_put_be32(QEMUFile *f, unsigned int v);
void qemu_put_be64(QEMUFile *f, uint64_t v);
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size);
int qemu_get_byte(QEMUFile *f);
unsigned int qemu_get_be16(QEMUFile *f);
unsigned int qemu_get_be32(QEMUFile *f);
uint64_t qemu_get_be64(QEMUFile *f);

static inline void qemu_put_be64s(QEMUFile *f, const uint64_t *pv)
{
    qemu_put_be64(f, *pv);
}

static inline void qemu_put_be32s(QEMUFile *f, const uint32_t *pv)
{
    qemu_put_be32(f, *pv);
}

static inline void qemu_put_be16s(QEMUFile *f, const uint16_t *pv)
{
    qemu_put_be16(f, *pv);
}

static inline void qemu_put_8s(QEMUFile *f, const uint8_t *pv)
{
    qemu_put_byte(f, *pv);
}

static inline void qemu_get_be64s(QEMUFile *f, uint64_t *pv)
{
    *pv = qemu_get_be64(f);
}

static inline void qemu_get_be32s(QEMUFile *f, uint32_t *pv)
{
    *pv = qemu_get_be32(f);
}

static inline void qemu_get_be16s(QEMUFile *f, uint16_t *pv)
{
    *pv = qemu_get_be16(f);
}

static inline void qemu_get_8s(QEMUFile *f, uint8_t *pv)
{
    *pv = qemu_get_byte(f);
}

#if TARGET_LONG_BITS == 64
#define qemu_put_betl qemu_put_be64
#define qemu_get_betl qemu_get_be64
#define qemu_put_betls qemu_put_be64s
#define qemu_get_betls qemu_get_be64s
#else
#define qemu_put_betl qemu_put_be32
#define qemu_get_betl qemu_get_be32
#define qemu_put_betls qemu_put_be32s
#define qemu_get_betls qemu_get_be32s
#endif

int64_t qemu_ftell(QEMUFile *f);
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence);

typedef void SaveStateHandler(QEMUFile *f, void *opaque);
typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);

int qemu_loadvm(const char *filename);
int qemu_savevm(const char *filename);
int register_savevm(const char *idstr, 
                    int instance_id, 
                    int version_id,
                    SaveStateHandler *save_state,
                    LoadStateHandler *load_state,
                    void *opaque);
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts);
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts);

void cpu_save(QEMUFile *f, void *opaque);
int cpu_load(QEMUFile *f, void *opaque, int version_id);

/* block.c */
typedef struct BlockDriverState BlockDriverState;
typedef struct BlockDriver BlockDriver;

extern BlockDriver bdrv_raw;
extern BlockDriver bdrv_cow;
extern BlockDriver bdrv_qcow;
extern BlockDriver bdrv_vmdk;
extern BlockDriver bdrv_cloop;
extern BlockDriver bdrv_dmg;
extern BlockDriver bdrv_bochs;
extern BlockDriver bdrv_vpc;
extern BlockDriver bdrv_vvfat;

void bdrv_init(void);
BlockDriver *bdrv_find_format(const char *format_name);
int bdrv_create(BlockDriver *drv, 
                const char *filename, int64_t size_in_sectors,
                const char *backing_file, int flags);
BlockDriverState *bdrv_new(const char *device_name);
void bdrv_delete(BlockDriverState *bs);
int bdrv_open(BlockDriverState *bs, const char *filename, int snapshot);
int bdrv_open2(BlockDriverState *bs, const char *filename, int snapshot,
               BlockDriver *drv);
void bdrv_close(BlockDriverState *bs);
int bdrv_read(BlockDriverState *bs, int64_t sector_num, 
              uint8_t *buf, int nb_sectors);
int bdrv_write(BlockDriverState *bs, int64_t sector_num, 
               const uint8_t *buf, int nb_sectors);
void bdrv_get_geometry(BlockDriverState *bs, int64_t *nb_sectors_ptr);
int bdrv_commit(BlockDriverState *bs);
void bdrv_set_boot_sector(BlockDriverState *bs, const uint8_t *data, int size);

#define BDRV_TYPE_HD     0
#define BDRV_TYPE_CDROM  1
#define BDRV_TYPE_FLOPPY 2
#define BIOS_ATA_TRANSLATION_AUTO 0
#define BIOS_ATA_TRANSLATION_NONE 1
#define BIOS_ATA_TRANSLATION_LBA  2

void bdrv_set_geometry_hint(BlockDriverState *bs, 
                            int cyls, int heads, int secs);
void bdrv_set_type_hint(BlockDriverState *bs, int type);
void bdrv_set_translation_hint(BlockDriverState *bs, int translation);
void bdrv_get_geometry_hint(BlockDriverState *bs, 
                            int *pcyls, int *pheads, int *psecs);
int bdrv_get_type_hint(BlockDriverState *bs);
int bdrv_get_translation_hint(BlockDriverState *bs);
int bdrv_is_removable(BlockDriverState *bs);
int bdrv_is_read_only(BlockDriverState *bs);
int bdrv_is_inserted(BlockDriverState *bs);
int bdrv_is_locked(BlockDriverState *bs);
void bdrv_set_locked(BlockDriverState *bs, int locked);
void bdrv_set_change_cb(BlockDriverState *bs, 
                        void (*change_cb)(void *opaque), void *opaque);
void bdrv_get_format(BlockDriverState *bs, char *buf, int buf_size);
void bdrv_info(void);
BlockDriverState *bdrv_find(const char *name);
void bdrv_iterate(void (*it)(void *opaque, const char *name), void *opaque);
int bdrv_is_encrypted(BlockDriverState *bs);
int bdrv_set_key(BlockDriverState *bs, const char *key);
void bdrv_iterate_format(void (*it)(void *opaque, const char *name), 
                         void *opaque);
const char *bdrv_get_device_name(BlockDriverState *bs);

int qcow_get_cluster_size(BlockDriverState *bs);
int qcow_compress_cluster(BlockDriverState *bs, int64_t sector_num,
                          const uint8_t *buf);

#ifndef QEMU_TOOL

typedef void QEMUMachineInitFunc(int ram_size, int vga_ram_size, 
                                 int boot_device,
             DisplayState *ds, const char **fd_filename, int snapshot,
             const char *kernel_filename, const char *kernel_cmdline,
             const char *initrd_filename);

typedef struct QEMUMachine {
    const char *name;
    const char *desc;
    QEMUMachineInitFunc *init;
    struct QEMUMachine *next;
} QEMUMachine;

int qemu_register_machine(QEMUMachine *m);

typedef void SetIRQFunc(void *opaque, int irq_num, int level);
typedef void IRQRequestFunc(void *opaque, int level);

/* ISA bus */

extern target_phys_addr_t isa_mem_base;

typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);

int register_ioport_read(int start, int length, int size, 
                         IOPortReadFunc *func, void *opaque);
int register_ioport_write(int start, int length, int size, 
                          IOPortWriteFunc *func, void *opaque);
void isa_unassign_ioport(int start, int length);

/* PCI bus */

extern target_phys_addr_t pci_mem_base;

typedef struct PCIBus PCIBus;
typedef struct PCIDevice PCIDevice;

typedef void PCIConfigWriteFunc(PCIDevice *pci_dev, 
                                uint32_t address, uint32_t data, int len);
typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev, 
                                   uint32_t address, int len);
typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num, 
                                uint32_t addr, uint32_t size, int type);

#define PCI_ADDRESS_SPACE_MEM		0x00
#define PCI_ADDRESS_SPACE_IO		0x01
#define PCI_ADDRESS_SPACE_MEM_PREFETCH	0x08

typedef struct PCIIORegion {
    uint32_t addr; /* current PCI mapping address. -1 means not mapped */
    uint32_t size;
    uint8_t type;
    PCIMapIORegionFunc *map_func;
} PCIIORegion;

#define PCI_ROM_SLOT 6
#define PCI_NUM_REGIONS 7
struct PCIDevice {
    /* PCI config space */
    uint8_t config[256];

    /* the following fields are read only */
    PCIBus *bus;
    int devfn;
    char name[64];
    PCIIORegion io_regions[PCI_NUM_REGIONS];
    
    /* do not access the following fields */
    PCIConfigReadFunc *config_read;
    PCIConfigWriteFunc *config_write;
    int irq_index;
};

PCIDevice *pci_register_device(PCIBus *bus, const char *name,
                               int instance_size, int devfn,
                               PCIConfigReadFunc *config_read, 
                               PCIConfigWriteFunc *config_write);

void pci_register_io_region(PCIDevice *pci_dev, int region_num, 
                            uint32_t size, int type, 
                            PCIMapIORegionFunc *map_func);

void pci_set_irq(PCIDevice *pci_dev, int irq_num, int level);

uint32_t pci_default_read_config(PCIDevice *d, 
                                 uint32_t address, int len);
void pci_default_write_config(PCIDevice *d, 
                              uint32_t address, uint32_t val, int len);
void generic_pci_save(QEMUFile* f, void *opaque);
int generic_pci_load(QEMUFile* f, void *opaque, int version_id);

extern struct PIIX3State *piix3_state;

PCIBus *i440fx_init(void);
void piix3_init(PCIBus *bus);
void pci_bios_init(void);
void pci_info(void);

/* temporary: will be moved in platform specific file */
void pci_set_pic(PCIBus *bus, SetIRQFunc *set_irq, void *irq_opaque);
PCIBus *pci_prep_init(void);
PCIBus *pci_grackle_init(uint32_t base);
PCIBus *pci_pmac_init(void);
PCIBus *pci_apb_init(target_ulong special_base, target_ulong mem_base);

void pci_nic_init(PCIBus *bus, NICInfo *nd);

/* openpic.c */
typedef struct openpic_t openpic_t;
void openpic_set_irq(void *opaque, int n_IRQ, int level);
openpic_t *openpic_init (PCIBus *bus, int *pmem_index, int nb_cpus,
                         CPUState **envp);

/* heathrow_pic.c */
typedef struct HeathrowPICS HeathrowPICS;
void heathrow_pic_set_irq(void *opaque, int num, int level);
HeathrowPICS *heathrow_pic_init(int *pmem_index);

#ifdef HAS_AUDIO
struct soundhw {
    const char *name;
    const char *descr;
    int enabled;
    int isa;
    union {
        int (*init_isa) (AudioState *s);
        int (*init_pci) (PCIBus *bus, AudioState *s);
    } init;
};

extern struct soundhw soundhw[];
#endif

/* vga.c */

#define VGA_RAM_SIZE (4096 * 1024)

struct DisplayState {
    uint8_t *data;
    int linesize;
    int depth;
    int width;
    int height;
    void *opaque;

    void (*dpy_update)(struct DisplayState *s, int x, int y, int w, int h);
    void (*dpy_resize)(struct DisplayState *s, int w, int h);
    void (*dpy_refresh)(struct DisplayState *s);
    void (*dpy_copy)(struct DisplayState *s, int src_x, int src_y, int dst_x, int dst_y, int w, int h);
};

static inline void dpy_update(DisplayState *s, int x, int y, int w, int h)
{
    s->dpy_update(s, x, y, w, h);
}

static inline void dpy_resize(DisplayState *s, int w, int h)
{
    s->dpy_resize(s, w, h);
}

int vga_initialize(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base, 
                   unsigned long vga_ram_offset, int vga_ram_size,
                   unsigned long vga_bios_offset, int vga_bios_size);

/* cirrus_vga.c */
void pci_cirrus_vga_init(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base, 
                         unsigned long vga_ram_offset, int vga_ram_size);
void isa_cirrus_vga_init(DisplayState *ds, uint8_t *vga_ram_base, 
                         unsigned long vga_ram_offset, int vga_ram_size);

/* sdl.c */
void sdl_display_init(DisplayState *ds, int full_screen);

/* cocoa.m */
void cocoa_display_init(DisplayState *ds, int full_screen);

/* vnc.c */
void vnc_display_init(DisplayState *ds, int display);

/* ide.c */
#define MAX_DISKS 4

extern BlockDriverState *bs_table[MAX_DISKS];

void isa_ide_init(int iobase, int iobase2, int irq,
                  BlockDriverState *hd0, BlockDriverState *hd1);
void pci_cmd646_ide_init(PCIBus *bus, BlockDriverState **hd_table,
                         int secondary_ide_enabled);
void pci_piix3_ide_init(PCIBus *bus, BlockDriverState **hd_table);