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;
+}