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Diffstat (limited to 'i/pc104/initrd/conf/busybox/console-tools/dumpkmap.c')
-rw-r--r--i/pc104/initrd/conf/busybox/console-tools/dumpkmap.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/console-tools/dumpkmap.c b/i/pc104/initrd/conf/busybox/console-tools/dumpkmap.c
new file mode 100644
index 0000000..0c19148
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/console-tools/dumpkmap.c
@@ -0,0 +1,66 @@
+/* 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 tarball for details.
+ *
+ */
+
+#include "busybox.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);
+int dumpkmap_main(int argc, char **argv)
+{
+ struct kbentry ke;
+ int i, j, fd;
+ char flags[MAX_NR_KEYMAPS];
+
+ if (argc >= 2 && argv[1][0] == '-')
+ bb_show_usage();
+
+ fd = xopen(CURRENT_VC, O_RDWR);
+
+ write(1, "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(1, 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(fd, KDGKBENT, &ke) < 0) {
+ bb_perror_msg("ioctl failed with %s, %s, %p",
+ (char *)&ke.kb_index,
+ (char *)&ke.kb_table,
+ &ke.kb_value);
+ } else {
+ write(1, (void*)&ke.kb_value, 2);
+ }
+ }
+ }
+ }
+ close(fd);
+ return EXIT_SUCCESS;
+}