| 1 | /* |
| 2 | * Copyright (c) 1980 Regents of the University of California. |
| 3 | * All rights reserved. The Berkeley software License Agreement |
| 4 | * specifies the terms and conditions for redistribution. |
| 5 | */ |
| 6 | |
| 7 | #ifndef lint |
| 8 | static char sccsid[] = "@(#)mkubglue.c 5.1 (Berkeley) %G%"; |
| 9 | #endif not lint |
| 10 | |
| 11 | /* |
| 12 | * Make the uba interrupt file ubglue.s |
| 13 | */ |
| 14 | #include <stdio.h> |
| 15 | #include "config.h" |
| 16 | #include "y.tab.h" |
| 17 | |
| 18 | ubglue() |
| 19 | { |
| 20 | register FILE *fp; |
| 21 | register struct device *dp, *mp; |
| 22 | |
| 23 | fp = fopen(path("ubglue.s"), "w"); |
| 24 | if (fp == 0) { |
| 25 | perror(path("ubglue.s")); |
| 26 | exit(1); |
| 27 | } |
| 28 | for (dp = dtab; dp != 0; dp = dp->d_next) { |
| 29 | mp = dp->d_conn; |
| 30 | if (mp != 0 && mp != (struct device *)-1 && |
| 31 | !eq(mp->d_name, "mba")) { |
| 32 | struct idlst *id, *id2; |
| 33 | |
| 34 | for (id = dp->d_vec; id; id = id->id_next) { |
| 35 | for (id2 = dp->d_vec; id2; id2 = id2->id_next) { |
| 36 | if (id2 == id) { |
| 37 | dump_vec(fp, id->id, dp->d_unit); |
| 38 | break; |
| 39 | } |
| 40 | if (!strcmp(id->id, id2->id)) |
| 41 | break; |
| 42 | } |
| 43 | } |
| 44 | } |
| 45 | } |
| 46 | dump_std(fp); |
| 47 | for (dp = dtab; dp != 0; dp = dp->d_next) { |
| 48 | mp = dp->d_conn; |
| 49 | if (mp != 0 && mp != (struct device *)-1 && |
| 50 | !eq(mp->d_name, "mba")) { |
| 51 | struct idlst *id, *id2; |
| 52 | |
| 53 | for (id = dp->d_vec; id; id = id->id_next) { |
| 54 | for (id2 = dp->d_vec; id2; id2 = id2->id_next) { |
| 55 | if (id2 == id) { |
| 56 | dump_intname(fp, id->id, |
| 57 | dp->d_unit); |
| 58 | break; |
| 59 | } |
| 60 | if (!strcmp(id->id, id2->id)) |
| 61 | break; |
| 62 | } |
| 63 | } |
| 64 | } |
| 65 | } |
| 66 | dump_ctrs(fp); |
| 67 | (void) fclose(fp); |
| 68 | } |
| 69 | |
| 70 | static int cntcnt = 0; /* number of interrupt counters allocated */ |
| 71 | |
| 72 | /* |
| 73 | * print an interrupt vector |
| 74 | */ |
| 75 | dump_vec(fp, vector, number) |
| 76 | register FILE *fp; |
| 77 | char *vector; |
| 78 | int number; |
| 79 | { |
| 80 | char nbuf[80]; |
| 81 | register char *v = nbuf; |
| 82 | |
| 83 | (void) sprintf(v, "%s%d", vector, number); |
| 84 | fprintf(fp, "\t.globl\t_X%s\n\t.align\t2\n_X%s:\n\tpushr\t$0x3f\n", |
| 85 | v, v); |
| 86 | fprintf(fp, "\tincl\t_fltintrcnt+(4*%d)\n", cntcnt++); |
| 87 | if (strncmp(vector, "dzx", 3) == 0) |
| 88 | fprintf(fp, "\tmovl\t$%d,r0\n\tjmp\tdzdma\n\n", number); |
| 89 | else { |
| 90 | if (strncmp(vector, "uur", 3) == 0) { |
| 91 | fprintf(fp, "#ifdef UUDMA\n"); |
| 92 | fprintf(fp, "\tmovl\t$%d,r0\n\tjsb\tuudma\n", number); |
| 93 | fprintf(fp, "#endif\n"); |
| 94 | } |
| 95 | fprintf(fp, "\tpushl\t$%d\n", number); |
| 96 | fprintf(fp, "\tcalls\t$1,_%s\n\tpopr\t$0x3f\n", vector); |
| 97 | fprintf(fp, "\tincl\t_cnt+V_INTR\n\trei\n\n"); |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | /* |
| 102 | * Start the interrupt name table with the names |
| 103 | * of the standard vectors not on the unibus. |
| 104 | * The number and order of these names should correspond |
| 105 | * with the definitions in scb.s. |
| 106 | */ |
| 107 | dump_std(fp) |
| 108 | register FILE *fp; |
| 109 | { |
| 110 | fprintf(fp, "\n\t.globl\t_intrnames\n"); |
| 111 | fprintf(fp, "\n\t.globl\t_eintrnames\n"); |
| 112 | fprintf(fp, "\t.data\n"); |
| 113 | fprintf(fp, "_intrnames:\n"); |
| 114 | fprintf(fp, "\t.asciz\t\"clock\"\n"); |
| 115 | fprintf(fp, "\t.asciz\t\"cnr\"\n"); |
| 116 | fprintf(fp, "\t.asciz\t\"cnx\"\n"); |
| 117 | fprintf(fp, "\t.asciz\t\"tur\"\n"); |
| 118 | fprintf(fp, "\t.asciz\t\"tux\"\n"); |
| 119 | fprintf(fp, "\t.asciz\t\"mba0\"\n"); |
| 120 | fprintf(fp, "\t.asciz\t\"mba1\"\n"); |
| 121 | fprintf(fp, "\t.asciz\t\"mba2\"\n"); |
| 122 | fprintf(fp, "\t.asciz\t\"mba3\"\n"); |
| 123 | fprintf(fp, "\t.asciz\t\"uba0\"\n"); |
| 124 | fprintf(fp, "\t.asciz\t\"uba1\"\n"); |
| 125 | fprintf(fp, "\t.asciz\t\"uba2\"\n"); |
| 126 | fprintf(fp, "\t.asciz\t\"uba3\"\n"); |
| 127 | #define I_FIXED 13 /* number of names above */ |
| 128 | } |
| 129 | |
| 130 | dump_intname(fp, vector, number) |
| 131 | register FILE *fp; |
| 132 | char *vector; |
| 133 | int number; |
| 134 | { |
| 135 | register char *cp = vector; |
| 136 | |
| 137 | fprintf(fp, "\t.asciz\t\""); |
| 138 | /* |
| 139 | * Skip any "int" or "intr" in the name. |
| 140 | */ |
| 141 | while (*cp) |
| 142 | if (cp[0] == 'i' && cp[1] == 'n' && cp[2] == 't') { |
| 143 | cp += 3; |
| 144 | if (*cp == 'r') |
| 145 | cp++; |
| 146 | } else { |
| 147 | putc(*cp, fp); |
| 148 | cp++; |
| 149 | } |
| 150 | fprintf(fp, "%d\"\n", number); |
| 151 | } |
| 152 | |
| 153 | dump_ctrs(fp) |
| 154 | register FILE *fp; |
| 155 | { |
| 156 | fprintf(fp, "_eintrnames:\n"); |
| 157 | fprintf(fp, "\n\t.globl\t_intrcnt\n"); |
| 158 | fprintf(fp, "\n\t.globl\t_eintrcnt\n"); |
| 159 | fprintf(fp, "_intrcnt:\n", I_FIXED); |
| 160 | fprintf(fp, "\t.space\t4 * %d\n", I_FIXED); |
| 161 | fprintf(fp, "_fltintrcnt:\n", cntcnt); |
| 162 | fprintf(fp, "\t.space\t4 * %d\n", cntcnt); |
| 163 | fprintf(fp, "_eintrcnt:\n\n"); |
| 164 | fprintf(fp, "\t.text\n"); |
| 165 | } |