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path: root/drivers/pci/gen-devlist.c
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Diffstat (limited to 'drivers/pci/gen-devlist.c')
-rw-r--r--drivers/pci/gen-devlist.c132
1 files changed, 132 insertions, 0 deletions
diff --git a/drivers/pci/gen-devlist.c b/drivers/pci/gen-devlist.c
new file mode 100644
index 000000000000..8abfc499fdef
--- /dev/null
+++ b/drivers/pci/gen-devlist.c
@@ -0,0 +1,132 @@
+/*
+ * Generate devlist.h and classlist.h from the PCI ID file.
+ *
+ * (c) 1999--2002 Martin Mares <mj@ucw.cz>
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#define MAX_NAME_SIZE 200
+
+static void
+pq(FILE *f, const char *c, int len)
+{
+ int i = 1;
+ while (*c && i != len) {
+ if (*c == '"')
+ fprintf(f, "\\\"");
+ else {
+ fputc(*c, f);
+ if (*c == '?' && c[1] == '?') {
+ /* Avoid trigraphs */
+ fprintf(f, "\" \"");
+ }
+ }
+ c++;
+ i++;
+ }
+}
+
+int
+main(void)
+{
+ char line[1024], *c, *bra, vend[8];
+ int vendors = 0;
+ int mode = 0;
+ int lino = 0;
+ int vendor_len = 0;
+ FILE *devf, *clsf;
+
+ devf = fopen("devlist.h", "w");
+ clsf = fopen("classlist.h", "w");
+ if (!devf || !clsf) {
+ fprintf(stderr, "Cannot create output file!\n");
+ return 1;
+ }
+
+ while (fgets(line, sizeof(line)-1, stdin)) {
+ lino++;
+ if ((c = strchr(line, '\n')))
+ *c = 0;
+ if (!line[0] || line[0] == '#')
+ continue;
+ if (line[1] == ' ') {
+ if (line[0] == 'C' && strlen(line) > 4 && line[4] == ' ') {
+ vend[0] = line[2];
+ vend[1] = line[3];
+ vend[2] = 0;
+ mode = 2;
+ } else goto err;
+ }
+ else if (line[0] == '\t') {
+ if (line[1] == '\t')
+ continue;
+ switch (mode) {
+ case 1:
+ if (strlen(line) > 5 && line[5] == ' ') {
+ c = line + 5;
+ while (*c == ' ')
+ *c++ = 0;
+ if (vendor_len + strlen(c) + 1 > MAX_NAME_SIZE) {
+ /* Too long, try cutting off long description */
+ bra = strchr(c, '[');
+ if (bra && bra > c && bra[-1] == ' ')
+ bra[-1] = 0;
+ if (vendor_len + strlen(c) + 1 > MAX_NAME_SIZE) {
+ fprintf(stderr, "Line %d: Device name too long. Name truncated.\n", lino);
+ fprintf(stderr, "%s\n", c);
+ /*return 1;*/
+ }
+ }
+ fprintf(devf, "\tDEVICE(%s,%s,\"", vend, line+1);
+ pq(devf, c, MAX_NAME_SIZE - vendor_len - 1);
+ fputs("\")\n", devf);
+ } else goto err;
+ break;
+ case 2:
+ if (strlen(line) > 3 && line[3] == ' ') {
+ c = line + 3;
+ while (*c == ' ')
+ *c++ = 0;
+ fprintf(clsf, "CLASS(%s%s, \"%s\")\n", vend, line+1, c);
+ } else goto err;
+ break;
+ default:
+ goto err;
+ }
+ } else if (strlen(line) > 4 && line[4] == ' ') {
+ c = line + 4;
+ while (*c == ' ')
+ *c++ = 0;
+ if (vendors)
+ fputs("ENDVENDOR()\n\n", devf);
+ vendors++;
+ strcpy(vend, line);
+ vendor_len = strlen(c);
+ if (vendor_len + 24 > MAX_NAME_SIZE) {
+ fprintf(stderr, "Line %d: Vendor name too long\n", lino);
+ return 1;
+ }
+ fprintf(devf, "VENDOR(%s,\"", vend);
+ pq(devf, c, 0);
+ fputs("\")\n", devf);
+ mode = 1;
+ } else {
+ err:
+ fprintf(stderr, "Line %d: Syntax error in mode %d: %s\n", lino, mode, line);
+ return 1;
+ }
+ }
+ fputs("ENDVENDOR()\n\
+\n\
+#undef VENDOR\n\
+#undef DEVICE\n\
+#undef ENDVENDOR\n", devf);
+ fputs("\n#undef CLASS\n", clsf);
+
+ fclose(devf);
+ fclose(clsf);
+
+ return 0;
+}