toolchain/gcc/libgloss/hp74x/hppa-defs.h

   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 */