direct-io.hg

view xen/drivers/pci/gen-devlist.c @ 875:ad4db8b417c1

bitkeeper revision 1.547 (3fa3dd2aH8eamu3ONvYovJgq8wBNbQ)

Many files:
Fixes to the DOM0 interface and domain building code. Ready for new save/restore dom0_ops.
author kaf24@scramble.cl.cam.ac.uk
date Sat Nov 01 16:19:54 2003 +0000 (2003-11-01)
parents 170eb7974e43
children
line source
1 /*
2 * Generate devlist.h and classlist.h from the PCI ID file.
3 *
4 * (c) 1999--2002 Martin Mares <mj@ucw.cz>
5 */
7 #include <stdio.h>
8 #include <string.h>
10 #define MAX_NAME_SIZE 79
12 static void
13 pq(FILE *f, const char *c)
14 {
15 while (*c) {
16 if (*c == '"')
17 fprintf(f, "\\\"");
18 else {
19 fputc(*c, f);
20 if (*c == '?' && c[1] == '?') {
21 /* Avoid trigraphs */
22 fprintf(f, "\" \"");
23 }
24 }
25 c++;
26 }
27 }
29 int
30 main(void)
31 {
32 char line[1024], *c, *bra, vend[8];
33 int vendors = 0;
34 int mode = 0;
35 int lino = 0;
36 int vendor_len = 0;
37 FILE *devf, *clsf;
39 devf = fopen("devlist.h", "w");
40 clsf = fopen("classlist.h", "w");
41 if (!devf || !clsf) {
42 fprintf(stderr, "Cannot create output file!\n");
43 return 1;
44 }
46 while (fgets(line, sizeof(line)-1, stdin)) {
47 lino++;
48 if ((c = strchr(line, '\n')))
49 *c = 0;
50 if (!line[0] || line[0] == '#')
51 continue;
52 if (line[1] == ' ') {
53 if (line[0] == 'C' && strlen(line) > 4 && line[4] == ' ') {
54 vend[0] = line[2];
55 vend[1] = line[3];
56 vend[2] = 0;
57 mode = 2;
58 } else goto err;
59 }
60 else if (line[0] == '\t') {
61 if (line[1] == '\t')
62 continue;
63 switch (mode) {
64 case 1:
65 if (strlen(line) > 5 && line[5] == ' ') {
66 c = line + 5;
67 while (*c == ' ')
68 *c++ = 0;
69 if (vendor_len + strlen(c) + 1 > MAX_NAME_SIZE) {
70 /* Too long, try cutting off long description */
71 bra = strchr(c, '[');
72 if (bra && bra > c && bra[-1] == ' ')
73 bra[-1] = 0;
74 if (vendor_len + strlen(c) + 1 > MAX_NAME_SIZE) {
75 fprintf(stderr, "Line %d: Device name too long\n", lino);
76 fprintf(stderr, "%s\n", c);
77 return 1;
78 }
79 }
80 fprintf(devf, "\tDEVICE(%s,%s,\"", vend, line+1);
81 pq(devf, c);
82 fputs("\")\n", devf);
83 } else goto err;
84 break;
85 case 2:
86 if (strlen(line) > 3 && line[3] == ' ') {
87 c = line + 3;
88 while (*c == ' ')
89 *c++ = 0;
90 fprintf(clsf, "CLASS(%s%s, \"%s\")\n", vend, line+1, c);
91 } else goto err;
92 break;
93 default:
94 goto err;
95 }
96 } else if (strlen(line) > 4 && line[4] == ' ') {
97 c = line + 4;
98 while (*c == ' ')
99 *c++ = 0;
100 if (vendors)
101 fputs("ENDVENDOR()\n\n", devf);
102 vendors++;
103 strcpy(vend, line);
104 vendor_len = strlen(c);
105 if (vendor_len + 24 > MAX_NAME_SIZE) {
106 fprintf(stderr, "Line %d: Vendor name too long\n", lino);
107 return 1;
108 }
109 fprintf(devf, "VENDOR(%s,\"", vend);
110 pq(devf, c);
111 fputs("\")\n", devf);
112 mode = 1;
113 } else {
114 err:
115 fprintf(stderr, "Line %d: Syntax error in mode %d: %s\n", lino, mode, line);
116 return 1;
117 }
118 }
119 fputs("ENDVENDOR()\n\
120 \n\
121 #undef VENDOR\n\
122 #undef DEVICE\n\
123 #undef ENDVENDOR\n", devf);
124 fputs("\n#undef CLASS\n", clsf);
126 fclose(devf);
127 fclose(clsf);
129 return 0;
130 }