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;
+}