[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;
+}