diff options
Diffstat (limited to 'os/boot/rpcg/dat.h')
| -rw-r--r-- | os/boot/rpcg/dat.h | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/os/boot/rpcg/dat.h b/os/boot/rpcg/dat.h new file mode 100644 index 00000000..edadc030 --- /dev/null +++ b/os/boot/rpcg/dat.h @@ -0,0 +1,217 @@ +typedef struct Alarm Alarm; +typedef struct Block Block; +typedef struct IMM IMM; +typedef struct Queue Queue; + +typedef struct List { + void *next; +} List; + +typedef struct { + int fake; + int pri; +} Lock; +#define lock(x) +#define unlock(x) + +struct Alarm { + List; + int busy; + long dt; + void (*f)(Alarm*); + void *arg; +}; + +enum { + Eaddrlen = 6, + ETHERMINTU = 60, /* minimum transmit size */ + ETHERMAXTU = 1514, /* maximum transmit size */ + ETHERHDRSIZE = 14, /* size of an ethernet header */ + + MaxEther = 4, +}; + +typedef struct { + uchar d[Eaddrlen]; + uchar s[Eaddrlen]; + uchar type[2]; + uchar data[1500]; + uchar crc[4]; +} Etherpkt; + +extern uchar broadcast[Eaddrlen]; + +enum { + Npart = 20+2, /* 8 sub partitions, disk, and partition */ + Maxxfer = 16*1024, /* maximum transfer size/cmd */ +}; + +typedef struct { + ulong start; + ulong end; + char name[NAMELEN+1]; +} Partition; + +typedef struct { + int online; + int npart; /* number of real partitions */ + Partition p[Npart]; + ulong offset; + Partition *current; /* current partition */ + + ulong cap; /* total bytes */ + int bytes; /* bytes/sector */ + int sectors; /* sectors/track */ + int heads; /* heads/cyl */ + long cyl; /* cylinders/drive */ + + char lba; /* true if drive has logical block addressing */ + char multi; /* non-zero if drive does multiple block xfers */ +} Disc; + +enum { + ScsiTestunit = 0x00, + ScsiExtsens = 0x03, + ScsiInquiry = 0x12, + ScsiModesense = 0x1a, + ScsiStartunit = 0x1B, + ScsiStopunit = 0x1B, + ScsiGetcap = 0x25, + ScsiRead = 0x08, + ScsiWrite = 0x0a, + ScsiExtread = 0x28, + ScsiExtwrite = 0x2a, + + /* data direction */ + ScsiIn = 1, + ScsiOut = 0, +}; + +typedef struct Scsibuf Scsibuf; +typedef struct Scsibuf { + void* virt; + void* phys; + Scsibuf* next; +}; + +typedef struct Scsidata { + uchar* base; + uchar* lim; + uchar* ptr; +} Scsidata; + +typedef struct Ureg Ureg; + +typedef struct Scsi { + ulong pid; + ushort target; + ushort lun; + ushort rflag; + ushort status; + Scsidata cmd; + Scsidata data; + Scsibuf* b; + uchar* save; + uchar cmdblk[16]; +} Scsi; + +typedef struct Segdesc { + ulong d0; + ulong d1; +} Segdesc; + +typedef struct Mach { + ulong ticks; /* of the clock since boot time */ + ulong delayloop; + long cpuhz; /* general system clock (cycles) */ + long clockgen; /* clock generator frequency (cycles) */ + ulong cpupvr; /* cpu type in processor version register */ + ulong cputype; /* cpu variant in BCD (eg, 0x823xx) */ + void* alarm; /* alarms bound to this clock */ + ulong* bcsr; + IMM* iomem; +} Mach; + +/* Mach.cputype */ +#define MPCREV(x) ((x) & 0xFF) +#define MPCMODEL(x) (((x)>>8) & 0xFFF) +#define MPCFAMILY(x) (((x)>>24) & 0x0F) + + +extern Mach *m; + +#define Q_MAGIC ((((4*21)+0)*21)+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 */ +}; + +/* + * bootline passed by boot program + */ +#define BOOTLINE ((char *)0x200000-150) + +/* + * Where we leave configuration info. + */ +#define BOOTARGS ((char*)(0x200000)) +#define BOOTARGSLEN 1024 +#define MAXCONF 32 + +/* + * a parsed plan9.ini line + */ +#define ISAOPTLEN 16 +#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 { + int size; + ulong addr; +} Map; + +typedef struct { + char* name; + Map* map; + Map* mapend; + + Lock; +} RMap; + +typedef struct PCIcfg PCIcfg; + +extern uchar* vgamem; + +struct Block { + uchar *rp; + uchar *wp; + uchar *lim; + uchar *data; + Block* next; + ulong magic; +}; +#define BLEN(b) ((b)->wp-(b)->rp) + +typedef struct QLock { + int dummy; +} QLock; |