1 /* 2 * PDC support 3 */ 4 #define OPT_PDC_CACHE 5 5 #define OPT_PDC_ADD_VALID 12 6 #define OPT_PDC_CHASSIS 2 /* LED's */ 7 #define OPT_PDC_IODC 8 /* console I/O */ 8 #define IODC_CONSOLE_OUT 3 /* bytes out serial port */ 9 #define IODC_CONSOLE_IN 2 /* bytes in serial port */ 10 11 #define PGZ_MEM_PDC 0x0388 /* location of PDC_ENTRY in memory */ 12 #define PGZ_CONSOLE_STRUCT 0x3A0 /* console config info */ 13 #define CALL_PDC (*(int (*)())((int *)(*((int *)PGZ_MEM_PDC)))) 14 15 #define putDebugChar outbyte 16 #define getDebugChar inbyte 17 18 /* 19 * IODC support 20 */ 21 #define MAX_BUS_CONVERTERS 6 22 #define MAX_LAYERS 6 23 #define IO_CONSOLE_INPUT 2 24 #define IO_CONSOLE_OUTPUT 3 25 26 struct _dev { 27 unsigned char flags; /* auto-search and auto-boot */ 28 unsigned char bus_convert[MAX_BUS_CONVERTERS]; 29 unsigned char pm; /* fixed field of HPA */ 30 unsigned int layer[MAX_LAYERS]; /* device dependent layers */ 31 unsigned int hpa; /* device HPA */ 32 unsigned int spa; /* device SPA */ 33 unsigned int *iodc_io; /* address of ENTRY_IO in mem */ 34 unsigned int class; /* device class */ 35 }; 36 37 /* 38 * Register defintions 39 */ 40 #define gr0 %r0 /* always ZERO */ 41 #define gr1 %r1 /* ADDIL results only */ 42 #define gr2 %r2 /* return address */ 43 #define gr3 %r3 /* scratch registers */ 44 #define gr4 %r4 45 #define gr5 %r5 46 #define gr6 %r6 47 #define gr7 %r7 48 #define gr8 %r8 49 #define gr9 %r9 50 #define gr10 %r10 51 #define gr11 %r11 52 #define gr12 %r12 53 #define gr13 %r13 54 #define gr14 %r14 55 #define gr15 %r15 56 #define gr16 %r16 57 #define gr17 %r17 58 #define gr18 %r18 59 #define gr19 %r19 /* 4th temp register */ 60 #define gr20 %r20 /* 3rd temp register */ 61 #define gr21 %r21 /* 2rd temp register */ 62 #define gr22 %r22 /* 1rd temp register */ 63 #define gr23 %r23 /* argument 3 */ 64 #define gr24 %r24 /* argument 2 */ 65 #define gr25 %r25 /* argument 1 */ 66 #define gr26 %r26 /* argument 0 */ 67 #define gr27 %r27 /* global data pointer */ 68 #define gr28 %r28 /* return value */ 69 #define gr29 %r29 /* return value, static link */ 70 #define gr30 %r30 /* stack pointer */ 71 #define gr31 %r31 /* millicode return pointer */ 72 73 /* 74 * extra definitions, calling conventions 75 */ 76 #define rp gr2 /* return address */ 77 #define sp gr30 /* stack pointer */ 78 #define dp gr27 /* global data area pointer */ 79 80 /* 81 * extra definitions, argument passing 82 */ 83 #define Arg0 gr26 /* pdc function to perform */ 84 #define Arg1 gr25 /* args to the pdc function */ 85 #define Arg2 gr24 86 #define Arg3 gr23 87 88 /* 89 * Special Processor Registers 90 */ 91 #define SAR %cr11 /* shift amount register */ 92 #define IVA %cr14 /* Interruption Vector Address */ 93 #define EIEM %cr15 /* EIEM reg */ 94 #define EIR %cr23 /* EIR reg */ 95 #define TIMER %cr16 /* interval timer */ 96 #define CCR %cr10 /* coprocessor control reg. */ 97 98 /* 99 * ASCII escape code 100 */ 101 #define NULL 0x00 /* <break> soft-reset (input only) */ 102 #define DELP 0x03 /* <ctrl>C del-collapse (input only, non-std) */ 103 #define DELE 0x04 /* <ctrl>D del-to_eol (input only, non-std) */ 104 #define BELL 0x07 /* <ctrl>G bell - audio */ 105 #define BS 0x08 /* <ctrl>H back space (left arrow) */ 106 #define HT 0x09 /* <ctrl>I horizontal tab */ 107 #define LF 0x0a /* <ctrl>J line feed (down arrow) */ 108 #define VT 0x0b /* <ctrl>K vertical tab (up arrow) */ 109 #define FF 0x0c /* <ctrl>L form feed (right arrow) */ 110 #define RTN 0x0d /* <ctrl>M carrage return */ 111 #define CR 0x0d /* <ctrl>M carrage return */ 112 113 #define INSC 0x0e /* <ctrl>N insert char (input only, non-std) */ 114 #define XON 0x11 /* <ctrl>Q DC1 - continue */ 115 #define BT 0x12 /* <ctrl>R reverse tab (input only, non-std) */ 116 #define XOFF 0x13 /* <ctrl>S DC3 - wait */ 117 #define INSE 0x16 /* <ctrl>V insert-expand (input only, non-std) */ 118 #define DELC 0x18 /* <ctrl>X delete char (input only, non-std) */ 119 #define CLRH 0x1a /* <ctrl>Z clear/home (input only) */ 120 #define ESC 0x1b /* <ctrl>[ escape (must call key again) */ 121 #define ENDL 0x1c /* <ctrl>\ cursor-to-eol (input only, non-std) */ 122 #define HOME 0x1e /* <ctrl>^ cursor home (input only) */ 123 #define DEL 0x7f /* <shift>BS destructive backspace */ 124