[2/5] kbd: make enqueue_key public, add ascii_to_keycode

Commit Message

Gerd Hoffmann July 14, 2016, 8:52 a.m. UTC

Signed-off-by: Gerd Hoffmann <[e-mail]>
---
 src/kbd.c  | 17 ++++++++++++++++-
 src/util.h |  2 ++
 2 files changed, 18 insertions(+), 1 deletion(-)

Patch

diff --git a/src/kbd.c b/src/kbd.c
index 61d9df0..7c43129 100644
--- a/src/kbd.c
+++ b/src/kbd.c
@@ -51,7 +51,7 @@  kbd_init(void)
             , x + FIELD_SIZEOF(struct bios_data_area_s, kbd_buf));
 }
 
-static u8
+u8
 enqueue_key(u16 keycode)
 {
     u16 buffer_start = GET_BDA(kbd_buf_start_offset);
@@ -376,6 +376,21 @@  static struct scaninfo {
     { 0x8600, 0x8800, 0x8a00, 0x8c00 }, /* F12 */
 };
 
+u16 ascii_to_keycode(u8 ascii)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(scan_to_keycode); i++) {
+        if ((GET_GLOBAL(scan_to_keycode[i].normal) & 0xff) == ascii)
+            return GET_GLOBAL(scan_to_keycode[i].normal);
+        if ((GET_GLOBAL(scan_to_keycode[i].shift) & 0xff) == ascii)
+            return GET_GLOBAL(scan_to_keycode[i].shift);
+        if ((GET_GLOBAL(scan_to_keycode[i].control) & 0xff) == ascii)
+            return GET_GLOBAL(scan_to_keycode[i].control);
+    }
+    return 0;
+}
+
 // Handle a ps2 style scancode read from the keyboard.
 static void
 __process_key(u8 scancode)
diff --git a/src/util.h b/src/util.h
index 7bfd2b8..f461795 100644
--- a/src/util.h
+++ b/src/util.h
@@ -185,6 +185,8 @@  int jpeg_show(struct jpeg_decdata *jpeg, unsigned char *pic, int width
 void kbd_init(void);
 void handle_15c2(struct bregs *regs);
 void process_key(u8 key);
+u8 enqueue_key(u16 keycode);
+u16 ascii_to_keycode(u8 ascii);
 
 // misc.c
 extern int HaveRunPost;