projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 6bafdb92 C |
1 | /* scb.h 4.3 81/02/21 */ |
| 2 | ||
| 3 | /* | |
| 4 | * VAX System control block layout | |
| 5 | */ | |
| 6 | ||
| 7 | struct scb { | |
| 8 | int (*scb_stray)(); /* reserved */ | |
| 9 | int (*scb_machchk)(); /* machine chack */ | |
| 10 | int (*scb_kspinval)(); /* KSP invalid */ | |
| 11 | int (*scb_powfail)(); /* power fail */ | |
| 12 | int (*scb_resinstr)(); /* reserved instruction */ | |
| 13 | int (*scb_custinst)(); /* XFC instr */ | |
| 14 | int (*scb_resopnd)(); /* reserved operand */ | |
| 15 | int (*scb_resaddr)(); /* reserved addr mode */ | |
| 16 | int (*scb_acv)(); /* access control violation */ | |
| 17 | int (*scb_tnv)(); /* translation not valid */ | |
| 18 | int (*scb_tracep)(); /* trace pending */ | |
| 19 | int (*scb_bpt)(); /* breakpoint instr */ | |
| 20 | int (*scb_compat)(); /* compatibility mode fault */ | |
| 21 | int (*scb_arith)(); /* arithmetic fault */ | |
| 22 | int (*scb_stray2)(); | |
| 23 | int (*scb_stray3)(); | |
| 24 | int (*scb_chmk)(); /* CHMK instr */ | |
| 25 | int (*scb_chme)(); /* CHME instr */ | |
| 26 | int (*scb_chms)(); /* CHMS instr */ | |
| 27 | int (*scb_chmu)(); /* CHMU instr */ | |
| 28 | int (*scb_sbisilo)(); /* SBI silo compare */ | |
| 29 | int (*scb_cmrd)(); /* corrected mem read data */ | |
| 30 | int (*scb_sbialert)(); /* SBI alert */ | |
| 31 | int (*scb_sbiflt)(); /* SBI fault */ | |
| 32 | int (*scb_wtime)(); /* memory write timeout */ | |
| 33 | int (*scb_stray4[8])(); | |
| 34 | int (*scb_soft[15])(); /* software interrupt */ | |
| 35 | int (*scb_timer)(); /* interval timer interrupt */ | |
| 36 | int (*scb_stray5[7])(); | |
| 37 | int (*scb_stray6[4])(); | |
| 38 | int (*scb_csdr)(); /* console storage receive */ | |
| 39 | int (*scb_csdx)(); /* console storage transmit */ | |
| 40 | int (*scb_ctr)(); /* console terminal receive */ | |
| 41 | int (*scb_ctx)(); /* console terminal transmit */ | |
| 42 | int (*scb_ipl14[16])(); /* device interrupts IPL 14 */ | |
| 43 | int (*scb_ipl15[16])(); /* " " IPL 15 */ | |
| 44 | int (*scb_ipl16[16])(); /* " " IPL 16 */ | |
| 45 | int (*scb_ipl17[16])(); /* " " IPL 17 */ | |
| 46 | int (*scb_ubaint[128])(); /* Unibus device intr */ | |
| 47 | }; | |
| 48 | ||
| 49 | #ifdef KERNEL | |
| 50 | extern struct scb scb; | |
| 51 | /* scb.scb_ubaint is the same as UNIvec */ | |
| 52 | #endif | |
| 53 | ||
| 54 | #define scbentry(f, how) ((int (*)())(((int)f)+how)) | |
| 55 | ||
| 56 | #define SCB_KSTACK 0 | |
| 57 | #define SCB_ISTACK 1 | |
| 58 | #define SCB_WCS 2 | |
| 59 | #define SCB_HALT 3 |