ref: b502a62da2ec6058923db94f87ecc2d29db2fa77
dir: /os/boot.original/pc/dat.h/
typedef struct List { void *next; } List; typedef struct Alarm Alarm; typedef struct Alarm { List; int busy; long dt; void (*f)(Alarm*); void *arg; } Alarm; typedef struct Apminfo { int haveinfo; int ax; int cx; int dx; int di; int ebx; int esi; } Apminfo; typedef struct Block Block; struct Block { Block* next; uchar* rp; /* first unconsumed byte */ uchar* wp; /* first empty byte */ uchar* lim; /* 1 past the end of the buffer */ uchar* base; /* start of the buffer */ ulong flag; }; #define BLEN(s) ((s)->wp - (s)->rp) typedef struct IOQ IOQ; typedef struct IOQ { uchar buf[4096]; uchar *in; uchar *out; int state; int (*getc)(IOQ*); int (*putc)(IOQ*, int); void *ptr; }; enum { Eaddrlen = 6, /* next two exclude 4-byte ether CRC */ ETHERMINTU = 60, /* minimum transmit size */ ETHERMAXTU = 1514, /* maximum transmit size */ ETHERHDRSIZE = 14, /* size of an ethernet header */ MaxEther = 6, }; typedef struct { uchar d[Eaddrlen]; uchar s[Eaddrlen]; uchar type[2]; uchar data[1500]; uchar crc[4]; } Etherpkt; extern uchar broadcast[Eaddrlen]; typedef struct Ureg Ureg; #pragma incomplete Ureg typedef struct Segdesc { ulong d0; ulong d1; } Segdesc; typedef struct Mach { ulong ticks; /* of the clock since boot time */ void *alarm; /* alarms bound to this clock */ } Mach; extern Mach *m; #define I_MAGIC ((((4*11)+0)*11)+7) typedef struct Exec Exec; struct Exec { uchar magic[4]; /* magic number */ uchar text[4]; /* size of text segment */ uchar data[4]; /* size of initialized data */ uchar bss[4]; /* size of uninitialized data */ uchar syms[4]; /* size of symbol table */ uchar entry[4]; /* entry point */ uchar spsz[4]; /* size of sp/pc offset table */ uchar pcsz[4]; /* size of pc/line number table */ }; /* * a parsed .ini line */ #define ISAOPTLEN 32 #define NISAOPT 8 typedef struct ISAConf { char type[NAMELEN]; ulong port; ulong irq; ulong mem; ulong size; uchar ea[6]; int nopt; char opt[NISAOPT][ISAOPTLEN]; } ISAConf; typedef struct Pcidev Pcidev; typedef struct PCMmap PCMmap; typedef struct PCMslot PCMslot; #define BOOTLINE ((char*)CONFADDR) enum { MB = (1024*1024), }; #define ROUND(s, sz) (((s)+((sz)-1))&~((sz)-1)) typedef struct Type Type; typedef struct Medium Medium; typedef struct Boot Boot; enum { /* type */ Tnil = 0x00, Tfloppy = 0x01, Tsd = 0x02, Tether = 0x03, Tcd = 0x04, Tbios = 0x05, Tany = -1, }; enum { /* name and flag */ Fnone = 0x00, Nfs = 0x00, Ffs = (1<<Nfs), Nboot = 0x01, Fboot = (1<<Nboot), Nbootp = 0x02, Fbootp = (1<<Nbootp), NName = 3, Fany = Fbootp|Fboot|Ffs, Fini = 0x10, Fprobe = 0x80, }; typedef struct Type { int type; int flag; int (*init)(void); void (*initdev)(int, char*); void* (*getfspart)(int, char*, int); /* actually returns Dos* */ void (*addconf)(int); int (*boot)(int, char*, Boot*); void (*printdevs)(int); char** parts; char** inis; int mask; Medium* media; } Type; extern void (*etherdetach)(void); extern void (*floppydetach)(void); extern void (*sddetach)(void); typedef struct Lock { /* for ilock, iunlock */ int locked; int spl; } Lock; enum { /* returned by bootpass */ MORE, ENOUGH, FAIL }; enum { INITKERNEL, READEXEC, READ9TEXT, READ9DATA, READGZIP, READEHDR, READPHDR, READEPAD, READEDATA, TRYBOOT, INIT9LOAD, READ9LOAD, FAILED }; struct Boot { int state; Exec exec; char *bp; /* base ptr */ char *wp; /* write ptr */ char *ep; /* end ptr */ }; extern int debug; extern Apminfo apm; extern char *defaultpartition; extern int iniread; extern int pxe;