[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/console-tools/dumpkmap.c b/ap/app/busybox/src/console-tools/dumpkmap.c
new file mode 100644
index 0000000..6b923d2
--- /dev/null
+++ b/ap/app/busybox/src/console-tools/dumpkmap.c
@@ -0,0 +1,82 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini dumpkmap implementation for busybox
+ *
+ * Copyright (C) Arne Bernin <arne@matrix.loopback.org>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ *
+ */
+/* no options, no getopt */
+
+//usage:#define dumpkmap_trivial_usage
+//usage: "> keymap"
+//usage:#define dumpkmap_full_usage "\n\n"
+//usage: "Print a binary keyboard translation table to stdout"
+//usage:
+//usage:#define dumpkmap_example_usage
+//usage: "$ dumpkmap > keymap\n"
+
+#include "libbb.h"
+
+/* From <linux/kd.h> */
+struct kbentry {
+ unsigned char kb_table;
+ unsigned char kb_index;
+ unsigned short kb_value;
+};
+#define KDGKBENT 0x4B46 /* gets one entry in translation table */
+
+/* From <linux/keyboard.h> */
+#define NR_KEYS 128
+#define MAX_NR_KEYMAPS 256
+
+int dumpkmap_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int dumpkmap_main(int argc UNUSED_PARAM, char **argv)
+{
+ struct kbentry ke;
+ int i, j, fd;
+ RESERVE_CONFIG_BUFFER(flags, MAX_NR_KEYMAPS);
+
+ /* When user accidentally runs "dumpkmap FILE"
+ * instead of "dumpkmap >FILE", we'd dump binary stuff to tty.
+ * Let's prevent it: */
+ if (argv[1])
+ bb_show_usage();
+/* bb_warn_ignoring_args(argv[1]);*/
+
+ fd = get_console_fd_or_die();
+
+ write(STDOUT_FILENO, "bkeymap", 7);
+
+ /* Here we want to set everything to 0 except for indexes:
+ * [0-2] [4-6] [8-10] [12] */
+ memset(flags, 0x00, MAX_NR_KEYMAPS);
+ memset(flags, 0x01, 13);
+ flags[3] = flags[7] = flags[11] = 0;
+
+ /* dump flags */
+ write(STDOUT_FILENO, flags, MAX_NR_KEYMAPS);
+
+ for (i = 0; i < MAX_NR_KEYMAPS; i++) {
+ if (flags[i] == 1) {
+ for (j = 0; j < NR_KEYS; j++) {
+ ke.kb_index = j;
+ ke.kb_table = i;
+ if (!ioctl_or_perror(fd, KDGKBENT, &ke,
+ "ioctl failed with %s, %s, %p",
+ (char *)&ke.kb_index,
+ (char *)&ke.kb_table,
+ &ke.kb_value)
+ ) {
+ write(STDOUT_FILENO, (void*)&ke.kb_value, 2);
+ }
+ }
+ }
+ }
+ if (ENABLE_FEATURE_CLEAN_UP) {
+ close(fd);
+ RELEASE_CONFIG_BUFFER(flags);
+ }
+ return EXIT_SUCCESS;
+}