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Diffstat (limited to 'os/js/dat.h')
| -rw-r--r-- | os/js/dat.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/os/js/dat.h b/os/js/dat.h new file mode 100644 index 00000000..e1691f4e --- /dev/null +++ b/os/js/dat.h @@ -0,0 +1,163 @@ +typedef struct Conf Conf; +typedef struct FPenv FPenv; +typedef struct FPU FPU; +typedef struct Label Label; +typedef struct Lock Lock; +typedef struct Mach Mach; +typedef struct Ureg Ureg; +typedef struct Lance Lance; +typedef struct Lancemem Lancemem; +typedef struct Etherpkt Etherpkt; +typedef struct Lancepkt Lancepkt; + +typedef ulong Instr; + +struct Conf +{ + int nmach; /* processors */ + int nproc; /* processes */ + ulong monitor; /* graphics monitor id; 0 for none */ + char ss2; /* is a sparcstation 2 */ + char ss2cachebug; /* has sparcstation2 cache bug */ + int ncontext; /* in mmu */ + int vacsize; /* size of virtual address cache, in bytes */ + int vaclinesize; /* size of cache line */ + ulong npage0; /* total physical pages of memory, bank 0 */ + ulong npage1; /* total physical pages of memory, bank 1 */ + ulong base0; /* base of bank 0 */ + ulong base1; /* base of bank 1 */ + ulong ialloc; /* max interrupt time allocation in bytes */ + ulong npage; /* total physical pages of memory */ + int copymode; /* 0 is copy on write, 1 is copy on reference */ + ulong ipif; /* Ip protocol interfaces */ + ulong ip; /* Ip conversations per interface */ + ulong arp; /* Arp table size */ + ulong frag; /* Ip fragment assemble queue size */ +}; + + +/* + * FPenv.status + */ +enum +{ + FPINIT, + FPACTIVE, + FPINACTIVE, +}; + +struct FPenv +{ + ulong status; + ulong pad; +}; + +/* + * This structure must agree with fpsave and fprestore asm routines + */ +struct FPU +{ + + double regs[17]; /* floating point registers */ + FPenv env; +}; + +/* + * machine dependent definitions used by ../port/dat.h + */ + +struct Label +{ + ulong sp; + ulong pc; +}; + +struct Lock +{ + ulong key; + ulong pc; + ulong sr; + int pri; +}; + +#include "../port/portdat.h" + +/* + * machine dependent definitions not used by ../port/dat.h + */ + +struct Mach +{ + ulong ticks; /* of the clock since boot time */ + int machno; /* physical id of this processor */ + Proc *proc; /* current process on this processor */ + Label sched; /* scheduler wakeup */ + Lock alarmlock; /* access to alarm list */ + void *alarm; /* alarms bound to this clock */ + ulong *contexts; /* hardware context table */ + ulong *ctx; /* the context */ + int fptrap; /* FP trap occurred while unsave */ + + int nrdy; + + int stack[1]; +}; + +/* + * XXX - Eric: It just works.... + */ + +/* + * LANCE CSR3 (bus control bits) + */ +#define BSWP 0x4 +#define ACON 0x2 +#define BCON 0x1 + +struct Lancepkt +{ + uchar d[6]; + uchar s[6]; + uchar type[2]; + uchar data[1500]; + uchar crc[4]; +}; + +/* + * system dependent lance stuff + * filled by lancesetup() + */ +struct Lance +{ + ushort lognrrb; /* log2 number of receive ring buffers */ + ushort logntrb; /* log2 number of xmit ring buffers */ + ushort nrrb; /* number of receive ring buffers */ + ushort ntrb; /* number of xmit ring buffers */ + ushort *rap; /* lance address register */ + ushort *rdp; /* lance data register */ + ushort busctl; /* bus control bits */ + uchar ea[6]; /* our ether addr */ + int sep; /* separation between shorts in lance ram + as seen by host */ + ushort *lanceram; /* start of lance ram as seen by host */ + Lancemem *lm; /* start of lance ram as seen by lance */ + Lancepkt *rp; /* receive buffers (host address) */ + Lancepkt *tp; /* transmit buffers (host address) */ + Lancepkt *lrp; /* receive buffers (lance address) */ + Lancepkt *ltp; /* transmit buffers (lance address) */ +}; + +/* + * Fake kmap + */ +typedef void KMap; +#define VA(k) ((ulong)(k)) +#define kmap(p) (KMap*)((p)->pa|KZERO) +#define kunmap(k) +#define MACHP(n) (n==0? &mach0 : *(Mach**)0) + +extern Mach *m; +extern Proc *up; +extern Mach mach0; + +#define swcursor 1 |