auto import from //depot/cupcake/@135843
diff --git a/toolbox/setkey.c b/toolbox/setkey.c
new file mode 100644
index 0000000..1ff2774
--- /dev/null
+++ b/toolbox/setkey.c
@@ -0,0 +1,89 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <string.h>
+#include <linux/kd.h>
+#include <linux/vt.h>
+#include <errno.h>
+
+static void setkey_usage(char *argv[])
+{
+ fprintf(stderr, "%s [-t <table>] [-k <index>] [-v value] [-r] [-h]\n"
+ " -t <table> Select table\n"
+ " -k <index> Select key\n"
+ " -v <value> Set entry\n"
+ " -r Read current entry\n"
+ " -h Print help\n", argv[0]);
+}
+
+#define TTYDEV "/dev/tty0"
+
+int setkey_main(int argc, char *argv[])
+{
+ int fd;
+ struct kbentry kbe;
+ int did_something = 0;
+
+ kbe.kb_table = 0;
+ kbe.kb_index = -1;
+ kbe.kb_value = 0;
+
+ fd = open(TTYDEV, O_RDWR | O_SYNC);
+ if (fd < 0) {
+ fprintf(stderr, "open %s: %s\n", TTYDEV, strerror(errno));
+ return 1;
+ }
+
+ do {
+ int c, ret;
+
+ c = getopt(argc, argv, "t:k:v:hr");
+ if (c == EOF)
+ break;
+
+ switch (c) {
+ case 't':
+ kbe.kb_table = strtol(optarg, NULL, 0);
+ break;
+ case 'k':
+ kbe.kb_index = strtol(optarg, NULL, 0);
+ break;
+ case 'v':
+ kbe.kb_value = strtol(optarg, NULL, 0);
+ ret = ioctl(fd, KDSKBENT, &kbe);
+ if (ret < 0) {
+ fprintf(stderr, "KDSKBENT %d %d %d failed: %s\n",
+ kbe.kb_table, kbe.kb_index, kbe.kb_value,
+ strerror(errno));
+ return 1;
+ }
+ did_something = 1;
+ break;
+ case 'r':
+ ret = ioctl(fd, KDGKBENT, &kbe);
+ if (ret < 0) {
+ fprintf(stderr, "KDGKBENT %d %d failed: %s\n",
+ kbe.kb_table, kbe.kb_index, strerror(errno));
+ return 1;
+ }
+ printf("0x%x 0x%x 0x%x\n",
+ kbe.kb_table, kbe.kb_index, kbe.kb_value);
+ did_something = 1;
+ break;
+ case 'h':
+ setkey_usage(argv);
+ return 1;
+ case '?':
+ fprintf(stderr, "%s: invalid option -%c\n",
+ argv[0], optopt);
+ return 1;
+ }
+ } while (1);
+
+ if(optind != argc || !did_something) {
+ setkey_usage(argv);
+ return 1;
+ }
+
+ return 0;
+}