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ps2: fix scancodes sent for Ctrl+Pause key combination 

The 'Pause' key is special in the AT set 1 / set 2 scancode definitions.

An unmodified 'Pause' key is supposed to send

 AT Set 1:  e1 1d 45 91 9d c5 (Down)  <nothing> (Up)
 AT Set 2:  e1 14 77 e1 f0 14 f0 77 (Down)  <nothing> (Up)

which QEMU gets right. When combined with Ctrl (both left and right variants),
a different sequence is expected

 AT Set 1:  e0 46 e0 c6 (Down)  <nothing> (Up)
 AT Set 2:  e0 7e e0 f0 73 (Down)  <nothing> (Up)

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20171019142848.572-8-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Daniel P. Berrange 2017-10-19 15:28:46 +01:00 committed by Gerd Hoffmann
parent 927f0425c4
commit 29fd23a579
1 changed files with 35 additions and 16 deletions
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51
hw/input/ps2.c
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@ -641,13 +641,22 @@ static void ps2_keyboard_event(DeviceState *dev, QemuConsole *src,
if (s->scancode_set == 1) {
if (qcode == Q_KEY_CODE_PAUSE) {
if (key->down) {
ps2_put_keycode(s, 0xe1);
ps2_put_keycode(s, 0x1d);
ps2_put_keycode(s, 0x45);
ps2_put_keycode(s, 0xe1);
ps2_put_keycode(s, 0x9d);
ps2_put_keycode(s, 0xc5);
if (s->modifiers & (MOD_CTRL_L | MOD_CTRL_R)) {
if (key->down) {
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0x46);
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0xc6);
}
} else {
if (key->down) {
ps2_put_keycode(s, 0xe1);
ps2_put_keycode(s, 0x1d);
ps2_put_keycode(s, 0x45);
ps2_put_keycode(s, 0xe1);
ps2_put_keycode(s, 0x9d);
ps2_put_keycode(s, 0xc5);
}
}
} else if (qcode == Q_KEY_CODE_PRINT) {
if (s->modifiers & MOD_ALT_L) {
@ -713,15 +722,25 @@ static void ps2_keyboard_event(DeviceState *dev, QemuConsole *src,
}
} else if (s->scancode_set == 2) {
if (qcode == Q_KEY_CODE_PAUSE) {
if (key->down) {
ps2_put_keycode(s, 0xe1);
ps2_put_keycode(s, 0x14);
ps2_put_keycode(s, 0x77);
ps2_put_keycode(s, 0xe1);
ps2_put_keycode(s, 0xf0);
ps2_put_keycode(s, 0x14);
ps2_put_keycode(s, 0xf0);
ps2_put_keycode(s, 0x77);
if (s->modifiers & (MOD_CTRL_L | MOD_CTRL_R)) {
if (key->down) {
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0x7e);
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0xf0);
ps2_put_keycode(s, 0x7e);
}
} else {
if (key->down) {
ps2_put_keycode(s, 0xe1);
ps2_put_keycode(s, 0x14);
ps2_put_keycode(s, 0x77);
ps2_put_keycode(s, 0xe1);
ps2_put_keycode(s, 0xf0);
ps2_put_keycode(s, 0x14);
ps2_put_keycode(s, 0xf0);
ps2_put_keycode(s, 0x77);
}
}
} else if (qcode == Q_KEY_CODE_PRINT) {
if (s->modifiers & MOD_ALT_L) {