From 29fd23a579f65e73cf6a4ded1d8cd472caed1426 Mon Sep 17 00:00:00 2001 From: "Daniel P. Berrange" Date: Thu, 19 Oct 2017 15:28:46 +0100 Subject: [PATCH] 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) (Up) AT Set 2: e1 14 77 e1 f0 14 f0 77 (Down) (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) (Up) AT Set 2: e0 7e e0 f0 73 (Down) (Up) Signed-off-by: Daniel P. Berrange Message-id: 20171019142848.572-8-berrange@redhat.com Signed-off-by: Gerd Hoffmann --- hw/input/ps2.c | 51 ++++++++++++++++++++++++++++++++++---------------- 1 file changed, 35 insertions(+), 16 deletions(-) diff --git a/hw/input/ps2.c b/hw/input/ps2.c index 133cc2aa64..f388a23c8e 100644 --- a/hw/input/ps2.c +++ b/hw/input/ps2.c @@ -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) {