typedef struct PCIDev PCIDev;typedef struct PCICap PCICap;typedef struct PCIBar PCIBar;typedef struct Region Region; extern int irqactive; enum { VMRUNNING, VMHALT, VMDEAD,};extern int state;extern int debug; enum { BY2PG = 4096}; #define RPC "pc"#define RSP "sp"#define RAX "ax"#define RBX "bx"#define RCX "cx"#define RDX "dx"#define RBP "bp"#define RSI "si"#define RDI "di"#define R8 "r8"#define R9 "r9"#define R10 "r10"#define R11 "r11"#define R12 "r12"#define R13 "r13"#define R14 "r14"#define R15 "r15"#define RFLAGS "flags" enum { MMIORD = 0, MMIOWRP = 1, MMIOWR = 2,}; struct Region { uintptr start, end; enum { REGALLOC = 1, /* allocate memory for region */ REGR = 2, /* can read */ REGW = 4, /* can write */ REGX = 8, /* can execute */ REGRWX = REGR|REGW|REGX, REGRX = REGR|REGX, /* E820 types, 0 == omitted from memory map */ REGFREE = 1<<8, /* report to OS as free */ REGRES = 2<<8, /* report to OS as reserved */ } type; char *segname; uvlong segoff; void *v, *ve; Region *next; int (*mmio)(uintptr, void *, int, int);}; extern Region *mmap; #define BDF(b,d,f) ((b)<<16&0xff0000|(d)<<11&0xf800|(f)<<8&0x700) struct PCIBar { PCIDev *d; u8int type; u32int addr, length; PCIBar *busnext, *busprev; u32int (*io)(int, u16int, u32int, int, void *); void *aux;}; enum { /* type */ BARIO = 1, BARMEM32 = 0, BARMEM64 = 4, BARPREF = 8,}; struct PCIDev { u32int bdf, viddid, clrev, subid; u16int ctrl; u8int irqno, irqactive; PCIBar bar[6]; PCIDev *next; PCICap *cap; u8int capalloc;}; struct PCICap { PCIDev *dev; u8int length; u8int addr; u32int (*read)(PCICap *, u8int); void (*write)(PCICap *, u8int, u32int, u32int); PCICap *next;}; enum { /* irqline argument */ IRQLTOGGLE = -1, IRQLLOHI = -2, /* postexc */ NOERRC = -1,}; typedef struct VgaMode VgaMode;struct VgaMode { u16int no; int w, h, hbytes, sz; u32int chan; VgaMode *next;}; extern uchar cmos[0x30]; extern void (*kconfig)(void); /* arguments for x86access */enum { SEGCS, SEGDS, SEGES, SEGFS, SEGGS, SEGSS, SEGMAX,}; enum { ACCR, ACCW, ACCX, ACCSAFE = 0x100, /* don't post exceptions on fault */}; /* used to speed up consecutive x86access calls */typedef struct TLB TLB;struct TLB { int asz, seg, acc; uintptr start, end; uintptr pabase; Region *reg; uchar *base;};
typedef struct PCIDev PCIDev;
typedef struct PCICap PCICap;
typedef struct PCIBar PCIBar;
typedef struct Region Region;
extern int irqactive;
enum {
VMRUNNING,
VMHALT,
VMDEAD,
};
extern int state;
extern int debug;
enum {
BY2PG = 4096
};
#define RPC "pc"
#define RSP "sp"
#define RAX "ax"
#define RBX "bx"
#define RCX "cx"
#define RDX "dx"
#define RBP "bp"
#define RSI "si"
#define RDI "di"
#define R8 "r8"
#define R9 "r9"
#define R10 "r10"
#define R11 "r11"
#define R12 "r12"
#define R13 "r13"
#define R14 "r14"
#define R15 "r15"
#define RFLAGS "flags"
enum {
MMIORD = 0,
MMIOWRP = 1,
MMIOWR = 2,
};
struct Region {
uintptr start, end;
enum {
REGALLOC = 1, /* allocate memory for region */
REGR = 2, /* can read */
REGW = 4, /* can write */
REGX = 8, /* can execute */
REGRWX = REGR|REGW|REGX,
REGRX = REGR|REGX,
/* E820 types, 0 == omitted from memory map */
REGFREE = 1<<8, /* report to OS as free */
REGRES = 2<<8, /* report to OS as reserved */
} type;
char *segname;
uvlong segoff;
void *v, *ve;
Region *next;
int (*mmio)(uintptr, void *, int, int);
};
extern Region *mmap;
#define BDF(b,d,f) ((b)<<16&0xff0000|(d)<<11&0xf800|(f)<<8&0x700)
struct PCIBar {
PCIDev *d;
u8int type;
u32int addr, length;
PCIBar *busnext, *busprev;
u32int (*io)(int, u16int, u32int, int, void *);
void *aux;
};
enum {
/* type */
BARIO = 1,
BARMEM32 = 0,
BARMEM64 = 4,
BARPREF = 8,
};
struct PCIDev {
u32int bdf, viddid, clrev, subid;
u16int ctrl;
u8int irqno, irqactive;
PCIBar bar[6];
PCIDev *next;
PCICap *cap;
u8int capalloc;
};
struct PCICap {
PCIDev *dev;
u8int length;
u8int addr;
u32int (*read)(PCICap *, u8int);
void (*write)(PCICap *, u8int, u32int, u32int);
PCICap *next;
};
enum {
/* irqline argument */
IRQLTOGGLE = -1,
IRQLLOHI = -2,
/* postexc */
NOERRC = -1,
};
typedef struct VgaMode VgaMode;
struct VgaMode {
u16int no;
int w, h, hbytes, sz;
u32int chan;
VgaMode *next;
};
extern uchar cmos[0x30];
extern void (*kconfig)(void);
/* arguments for x86access */
enum {
SEGCS,
SEGDS,
SEGES,
SEGFS,
SEGGS,
SEGSS,
SEGMAX,
};
enum {
ACCR,
ACCW,
ACCX,
ACCSAFE = 0x100, /* don't post exceptions on fault */
};
/* used to speed up consecutive x86access calls */
typedef struct TLB TLB;
struct TLB {
int asz, seg, acc;
uintptr start, end;
uintptr pabase;
Region *reg;
uchar *base;
};