qemu-e2k/hw/input/ps2.c

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/*
* QEMU PS/2 keyboard/mouse emulation
*
* Copyright (c) 2003 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "qemu/log.h"
#include "hw/hw.h"
#include "hw/input/ps2.h"
#include "ui/console.h"
#include "ui/input.h"
#include "sysemu/sysemu.h"
#include "trace.h"
/* debug PC keyboard */
//#define DEBUG_KBD
/* debug PC keyboard : only mouse */
//#define DEBUG_MOUSE
/* Keyboard Commands */
#define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */
#define KBD_CMD_ECHO 0xEE
#define KBD_CMD_SCANCODE 0xF0 /* Get/set scancode set */
#define KBD_CMD_GET_ID 0xF2 /* get keyboard ID */
#define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */
#define KBD_CMD_ENABLE 0xF4 /* Enable scanning */
#define KBD_CMD_RESET_DISABLE 0xF5 /* reset and disable scanning */
#define KBD_CMD_RESET_ENABLE 0xF6 /* reset and enable scanning */
#define KBD_CMD_RESET 0xFF /* Reset */
/* Keyboard Replies */
#define KBD_REPLY_POR 0xAA /* Power on reset */
#define KBD_REPLY_ID 0xAB /* Keyboard ID */
#define KBD_REPLY_ACK 0xFA /* Command ACK */
#define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */
/* Mouse Commands */
#define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */
#define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */
#define AUX_SET_RES 0xE8 /* Set resolution */
#define AUX_GET_SCALE 0xE9 /* Get scaling factor */
#define AUX_SET_STREAM 0xEA /* Set stream mode */
#define AUX_POLL 0xEB /* Poll */
#define AUX_RESET_WRAP 0xEC /* Reset wrap mode */
#define AUX_SET_WRAP 0xEE /* Set wrap mode */
#define AUX_SET_REMOTE 0xF0 /* Set remote mode */
#define AUX_GET_TYPE 0xF2 /* Get type */
#define AUX_SET_SAMPLE 0xF3 /* Set sample rate */
#define AUX_ENABLE_DEV 0xF4 /* Enable aux device */
#define AUX_DISABLE_DEV 0xF5 /* Disable aux device */
#define AUX_SET_DEFAULT 0xF6
#define AUX_RESET 0xFF /* Reset aux device */
#define AUX_ACK 0xFA /* Command byte ACK. */
#define MOUSE_STATUS_REMOTE 0x40
#define MOUSE_STATUS_ENABLED 0x20
#define MOUSE_STATUS_SCALE21 0x10
#define PS2_QUEUE_SIZE 16 /* Buffer size required by PS/2 protocol */
ps2: fix scancodes sent for Alt-Print key combination (aka SysRq) The 'Print' key is special in the AT set 1 / set 2 scancode definitions. An unmodified 'Print' key is supposed to send AT Set 1: e0 2a e0 37 (Down) e0 b7 e0 aa (Up) AT Set 2: e0 12 e0 7c (Down) e0 f0 7c e0 f0 12 (Up) which QEMU gets right. When pressed in combination with the 'Alt_L' or 'Alt_R' keys (which signify SysRq), the scancodes are required to follow a different scheme. With Alt_L, the expected sequences are AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) And with Alt_R AT set 1: e0 38, 54 (Down) d4, e0 b8 (Up) AT set 2: e0 11, 84 (Down) f0 84, f0 e0 11 (Up) It is actually slightly more complicated than that, because (according results of 'showkey -s', keyboards will in fact first release the currently pressed modifier before sending the sequence above (which effectively re-presses & then releases the modifier) and finally re-press the original modifier afterwards. IOW, with Alt_L we need to send AT set 1: b8, 38, 54 (Down) d4, b8, 38 (Up) AT set 2: f0 11, 11, 84 (Down) f0 84, f0 11, 11 (Up) And with Alt_R AT set 1: e0 b8, e0 38, 54 (Down) d4, e0 b8, e0 38 (Up) AT set 2: e0 f0 11, e0 11, 84 (Down) f0 84, e0 f0 11, e0 11 (Up) The AT set 3 scancodes have no special handling for Alt-Print. Rather than fixing the handling of the 'print' key in the ps2 driver to consider the Alt modifiers, way back, a patch was commited that defined an extra 'sysrq' key name: commit f2289cb6924afc97b2a75d21bfc9217024d11741 Author: balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Wed Jun 4 10:14:16 2008 +0000 Add sysrq to key names known by "sendkey". Adding sysrq keycode to the table enabling running sysrq debugging in the guest via the monitor sendkey command, like: (qemu) sendkey alt-sysrq-t Tested on x86-64 target and Linux guest. Signed-off-by: Ryan Harper <ryanh@us.ibm.com> With this patch QEMU would send AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) but this doesn't match what actual real keyboards send, as it is not releasing the original modifier & pressing it again afterwards. In addition the original problem remains, and a new problem was added: - The sequence 'alt-print-t' is still broken, acting as if 'print-t' was requested - The sequence 'sysrq-t' is broken, injecting an undefine scancode sequence tot he guest os (bare 0x54) To deal with this mess we make these changes to the ps2 code, so that we track the state of modifier keys (Alt, Shift, Ctrl - both left & right). Then we can vary what scancodes are sent for Q_KEY_CODE_PRINT according to the Alt key modifier state Interestingly, it appears that of operating systems I've checked (Linux, FreeBSD and OpenSolaris), none of them actually bother to validate the full sequences for a unmodified 'Print' key. They all just ignore the leading "e0 2a" and trigger based off "e0 37" alone. The latter two byte sequence is what keyboards send with 'Print' is combined with 'Shift' or 'Ctrl' modifiers. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20171019142848.572-5-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-10-19 16:28:43 +02:00
/* Bits for 'modifiers' field in PS2KbdState */
#define MOD_CTRL_L (1 << 0)
#define MOD_SHIFT_L (1 << 1)
#define MOD_ALT_L (1 << 2)
#define MOD_CTRL_R (1 << 3)
#define MOD_SHIFT_R (1 << 4)
#define MOD_ALT_R (1 << 5)
typedef struct {
/* Keep the data array 256 bytes long, which compatibility
with older qemu versions. */
uint8_t data[256];
int rptr, wptr, count;
} PS2Queue;
struct PS2State {
PS2Queue queue;
int32_t write_cmd;
void (*update_irq)(void *, int);
void *update_arg;
};
typedef struct {
PS2State common;
int scan_enabled;
int translate;
int scancode_set; /* 1=XT, 2=AT, 3=PS/2 */
int ledstate;
bool need_high_bit;
ps2: fix scancodes sent for Alt-Print key combination (aka SysRq) The 'Print' key is special in the AT set 1 / set 2 scancode definitions. An unmodified 'Print' key is supposed to send AT Set 1: e0 2a e0 37 (Down) e0 b7 e0 aa (Up) AT Set 2: e0 12 e0 7c (Down) e0 f0 7c e0 f0 12 (Up) which QEMU gets right. When pressed in combination with the 'Alt_L' or 'Alt_R' keys (which signify SysRq), the scancodes are required to follow a different scheme. With Alt_L, the expected sequences are AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) And with Alt_R AT set 1: e0 38, 54 (Down) d4, e0 b8 (Up) AT set 2: e0 11, 84 (Down) f0 84, f0 e0 11 (Up) It is actually slightly more complicated than that, because (according results of 'showkey -s', keyboards will in fact first release the currently pressed modifier before sending the sequence above (which effectively re-presses & then releases the modifier) and finally re-press the original modifier afterwards. IOW, with Alt_L we need to send AT set 1: b8, 38, 54 (Down) d4, b8, 38 (Up) AT set 2: f0 11, 11, 84 (Down) f0 84, f0 11, 11 (Up) And with Alt_R AT set 1: e0 b8, e0 38, 54 (Down) d4, e0 b8, e0 38 (Up) AT set 2: e0 f0 11, e0 11, 84 (Down) f0 84, e0 f0 11, e0 11 (Up) The AT set 3 scancodes have no special handling for Alt-Print. Rather than fixing the handling of the 'print' key in the ps2 driver to consider the Alt modifiers, way back, a patch was commited that defined an extra 'sysrq' key name: commit f2289cb6924afc97b2a75d21bfc9217024d11741 Author: balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Wed Jun 4 10:14:16 2008 +0000 Add sysrq to key names known by "sendkey". Adding sysrq keycode to the table enabling running sysrq debugging in the guest via the monitor sendkey command, like: (qemu) sendkey alt-sysrq-t Tested on x86-64 target and Linux guest. Signed-off-by: Ryan Harper <ryanh@us.ibm.com> With this patch QEMU would send AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) but this doesn't match what actual real keyboards send, as it is not releasing the original modifier & pressing it again afterwards. In addition the original problem remains, and a new problem was added: - The sequence 'alt-print-t' is still broken, acting as if 'print-t' was requested - The sequence 'sysrq-t' is broken, injecting an undefine scancode sequence tot he guest os (bare 0x54) To deal with this mess we make these changes to the ps2 code, so that we track the state of modifier keys (Alt, Shift, Ctrl - both left & right). Then we can vary what scancodes are sent for Q_KEY_CODE_PRINT according to the Alt key modifier state Interestingly, it appears that of operating systems I've checked (Linux, FreeBSD and OpenSolaris), none of them actually bother to validate the full sequences for a unmodified 'Print' key. They all just ignore the leading "e0 2a" and trigger based off "e0 37" alone. The latter two byte sequence is what keyboards send with 'Print' is combined with 'Shift' or 'Ctrl' modifiers. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20171019142848.572-5-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-10-19 16:28:43 +02:00
unsigned int modifiers; /* bitmask of MOD_* constants above */
} PS2KbdState;
typedef struct {
PS2State common;
uint8_t mouse_status;
uint8_t mouse_resolution;
uint8_t mouse_sample_rate;
uint8_t mouse_wrap;
uint8_t mouse_type; /* 0 = PS2, 3 = IMPS/2, 4 = IMEX */
uint8_t mouse_detect_state;
int mouse_dx; /* current values, needed for 'poll' mode */
int mouse_dy;
int mouse_dz;
uint8_t mouse_buttons;
} PS2MouseState;
static uint8_t translate_table[256] = {
0xff, 0x43, 0x41, 0x3f, 0x3d, 0x3b, 0x3c, 0x58,
0x64, 0x44, 0x42, 0x40, 0x3e, 0x0f, 0x29, 0x59,
0x65, 0x38, 0x2a, 0x70, 0x1d, 0x10, 0x02, 0x5a,
0x66, 0x71, 0x2c, 0x1f, 0x1e, 0x11, 0x03, 0x5b,
0x67, 0x2e, 0x2d, 0x20, 0x12, 0x05, 0x04, 0x5c,
0x68, 0x39, 0x2f, 0x21, 0x14, 0x13, 0x06, 0x5d,
0x69, 0x31, 0x30, 0x23, 0x22, 0x15, 0x07, 0x5e,
0x6a, 0x72, 0x32, 0x24, 0x16, 0x08, 0x09, 0x5f,
0x6b, 0x33, 0x25, 0x17, 0x18, 0x0b, 0x0a, 0x60,
0x6c, 0x34, 0x35, 0x26, 0x27, 0x19, 0x0c, 0x61,
0x6d, 0x73, 0x28, 0x74, 0x1a, 0x0d, 0x62, 0x6e,
0x3a, 0x36, 0x1c, 0x1b, 0x75, 0x2b, 0x63, 0x76,
0x55, 0x56, 0x77, 0x78, 0x79, 0x7a, 0x0e, 0x7b,
0x7c, 0x4f, 0x7d, 0x4b, 0x47, 0x7e, 0x7f, 0x6f,
0x52, 0x53, 0x50, 0x4c, 0x4d, 0x48, 0x01, 0x45,
0x57, 0x4e, 0x51, 0x4a, 0x37, 0x49, 0x46, 0x54,
0x80, 0x81, 0x82, 0x41, 0x54, 0x85, 0x86, 0x87,
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
};
ps2: fix scancodes sent for Alt-Print key combination (aka SysRq) The 'Print' key is special in the AT set 1 / set 2 scancode definitions. An unmodified 'Print' key is supposed to send AT Set 1: e0 2a e0 37 (Down) e0 b7 e0 aa (Up) AT Set 2: e0 12 e0 7c (Down) e0 f0 7c e0 f0 12 (Up) which QEMU gets right. When pressed in combination with the 'Alt_L' or 'Alt_R' keys (which signify SysRq), the scancodes are required to follow a different scheme. With Alt_L, the expected sequences are AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) And with Alt_R AT set 1: e0 38, 54 (Down) d4, e0 b8 (Up) AT set 2: e0 11, 84 (Down) f0 84, f0 e0 11 (Up) It is actually slightly more complicated than that, because (according results of 'showkey -s', keyboards will in fact first release the currently pressed modifier before sending the sequence above (which effectively re-presses & then releases the modifier) and finally re-press the original modifier afterwards. IOW, with Alt_L we need to send AT set 1: b8, 38, 54 (Down) d4, b8, 38 (Up) AT set 2: f0 11, 11, 84 (Down) f0 84, f0 11, 11 (Up) And with Alt_R AT set 1: e0 b8, e0 38, 54 (Down) d4, e0 b8, e0 38 (Up) AT set 2: e0 f0 11, e0 11, 84 (Down) f0 84, e0 f0 11, e0 11 (Up) The AT set 3 scancodes have no special handling for Alt-Print. Rather than fixing the handling of the 'print' key in the ps2 driver to consider the Alt modifiers, way back, a patch was commited that defined an extra 'sysrq' key name: commit f2289cb6924afc97b2a75d21bfc9217024d11741 Author: balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Wed Jun 4 10:14:16 2008 +0000 Add sysrq to key names known by "sendkey". Adding sysrq keycode to the table enabling running sysrq debugging in the guest via the monitor sendkey command, like: (qemu) sendkey alt-sysrq-t Tested on x86-64 target and Linux guest. Signed-off-by: Ryan Harper <ryanh@us.ibm.com> With this patch QEMU would send AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) but this doesn't match what actual real keyboards send, as it is not releasing the original modifier & pressing it again afterwards. In addition the original problem remains, and a new problem was added: - The sequence 'alt-print-t' is still broken, acting as if 'print-t' was requested - The sequence 'sysrq-t' is broken, injecting an undefine scancode sequence tot he guest os (bare 0x54) To deal with this mess we make these changes to the ps2 code, so that we track the state of modifier keys (Alt, Shift, Ctrl - both left & right). Then we can vary what scancodes are sent for Q_KEY_CODE_PRINT according to the Alt key modifier state Interestingly, it appears that of operating systems I've checked (Linux, FreeBSD and OpenSolaris), none of them actually bother to validate the full sequences for a unmodified 'Print' key. They all just ignore the leading "e0 2a" and trigger based off "e0 37" alone. The latter two byte sequence is what keyboards send with 'Print' is combined with 'Shift' or 'Ctrl' modifiers. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20171019142848.572-5-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-10-19 16:28:43 +02:00
static unsigned int ps2_modifier_bit(QKeyCode key)
{
switch (key) {
case Q_KEY_CODE_CTRL:
return MOD_CTRL_L;
case Q_KEY_CODE_CTRL_R:
return MOD_CTRL_R;
case Q_KEY_CODE_SHIFT:
return MOD_SHIFT_L;
case Q_KEY_CODE_SHIFT_R:
return MOD_SHIFT_R;
case Q_KEY_CODE_ALT:
return MOD_ALT_L;
case Q_KEY_CODE_ALT_R:
return MOD_ALT_R;
default:
return 0;
}
}
static void ps2_reset_queue(PS2State *s)
{
PS2Queue *q = &s->queue;
q->rptr = 0;
q->wptr = 0;
q->count = 0;
}
void ps2_queue_noirq(PS2State *s, int b)
{
PS2Queue *q = &s->queue;
if (q->count == PS2_QUEUE_SIZE) {
return;
}
q->data[q->wptr] = b;
if (++q->wptr == PS2_QUEUE_SIZE)
q->wptr = 0;
q->count++;
}
void ps2_raise_irq(PS2State *s)
{
s->update_irq(s->update_arg, 1);
}
void ps2_queue(PS2State *s, int b)
{
ps2_queue_noirq(s, b);
s->update_irq(s->update_arg, 1);
}
void ps2_queue_2(PS2State *s, int b1, int b2)
{
if (PS2_QUEUE_SIZE - s->queue.count < 2) {
return;
}
ps2_queue_noirq(s, b1);
ps2_queue_noirq(s, b2);
s->update_irq(s->update_arg, 1);
}
void ps2_queue_3(PS2State *s, int b1, int b2, int b3)
{
if (PS2_QUEUE_SIZE - s->queue.count < 3) {
return;
}
ps2_queue_noirq(s, b1);
ps2_queue_noirq(s, b2);
ps2_queue_noirq(s, b3);
s->update_irq(s->update_arg, 1);
}
void ps2_queue_4(PS2State *s, int b1, int b2, int b3, int b4)
{
if (PS2_QUEUE_SIZE - s->queue.count < 4) {
return;
}
ps2_queue_noirq(s, b1);
ps2_queue_noirq(s, b2);
ps2_queue_noirq(s, b3);
ps2_queue_noirq(s, b4);
s->update_irq(s->update_arg, 1);
}
/* keycode is the untranslated scancode in the current scancode set. */
static void ps2_put_keycode(void *opaque, int keycode)
{
PS2KbdState *s = opaque;
trace_ps2_put_keycode(opaque, keycode);
qmp hmp: Make system_wakeup check wake-up support and run state The qmp/hmp command 'system_wakeup' is simply a direct call to 'qemu_system_wakeup_request' from vl.c. This function verifies if runstate is SUSPENDED and if the wake up reason is valid before proceeding. However, no error or warning is thrown if any of those pre-requirements isn't met. There is no way for the caller to differentiate between a successful wakeup or an error state caused when trying to wake up a guest that wasn't suspended. This means that system_wakeup is silently failing, which can be considered a bug. Adding error handling isn't an API break in this case - applications that didn't check the result will remain broken, the ones that check it will have a chance to deal with it. Adding to that, the commit before previous created a new QMP API called query-current-machine, with a new flag called wakeup-suspend-support, that indicates if the guest has the capability of waking up from suspended state. Although such guest will never reach SUSPENDED state and erroring it out in this scenario would suffice, it is more informative for the user to differentiate between a failure because the guest isn't suspended versus a failure because the guest does not have support for wake up at all. All this considered, this patch changes qmp_system_wakeup to check if the guest is capable of waking up from suspend, and if it is suspended. After this patch, this is the output of system_wakeup in a guest that does not have wake-up from suspend support (ppc64): (qemu) system_wakeup wake-up from suspend is not supported by this guest (qemu) And this is the output of system_wakeup in a x86 guest that has the support but isn't suspended: (qemu) system_wakeup Unable to wake up: guest is not in suspended state (qemu) Reported-by: Balamuruhan S <bala24@linux.vnet.ibm.com> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20181205194701.17836-4-danielhb413@gmail.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Acked-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2018-12-05 20:47:01 +01:00
qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, NULL);
if (s->translate) {
if (keycode == 0xf0) {
s->need_high_bit = true;
} else if (s->need_high_bit) {
ps2_queue(&s->common, translate_table[keycode] | 0x80);
s->need_high_bit = false;
} else {
ps2_queue(&s->common, translate_table[keycode]);
}
} else {
ps2_queue(&s->common, keycode);
}
}
static void ps2_keyboard_event(DeviceState *dev, QemuConsole *src,
InputEvent *evt)
{
PS2KbdState *s = (PS2KbdState *)dev;
qapi: Don't special-case simple union wrappers Simple unions were carrying a special case that hid their 'data' QMP member from the resulting C struct, via the hack method QAPISchemaObjectTypeVariant.simple_union_type(). But by using the work we started by unboxing flat union and alternate branches, coupled with the ability to visit the members of an implicit type, we can now expose the simple union's implicit type in qapi-types.h: | struct q_obj_ImageInfoSpecificQCow2_wrapper { | ImageInfoSpecificQCow2 *data; | }; | | struct q_obj_ImageInfoSpecificVmdk_wrapper { | ImageInfoSpecificVmdk *data; | }; ... | struct ImageInfoSpecific { | ImageInfoSpecificKind type; | union { /* union tag is @type */ | void *data; |- ImageInfoSpecificQCow2 *qcow2; |- ImageInfoSpecificVmdk *vmdk; |+ q_obj_ImageInfoSpecificQCow2_wrapper qcow2; |+ q_obj_ImageInfoSpecificVmdk_wrapper vmdk; | } u; | }; Doing this removes asymmetry between QAPI's QMP side and its C side (both sides now expose 'data'), and means that the treatment of a simple union as sugar for a flat union is now equivalent in both languages (previously the two approaches used a different layer of dereferencing, where the simple union could be converted to a flat union with equivalent C layout but different {} on the wire, or to an equivalent QMP wire form but with different C representation). Using the implicit type also lets us get rid of the simple_union_type() hack. Of course, now all clients of simple unions have to adjust from using su->u.member to using su->u.member.data; while this touches a number of files in the tree, some earlier cleanup patches helped minimize the change to the initialization of a temporary variable rather than every single member access. The generated qapi-visit.c code is also affected by the layout change: |@@ -7393,10 +7393,10 @@ void visit_type_ImageInfoSpecific_member | } | switch (obj->type) { | case IMAGE_INFO_SPECIFIC_KIND_QCOW2: |- visit_type_ImageInfoSpecificQCow2(v, "data", &obj->u.qcow2, &err); |+ visit_type_q_obj_ImageInfoSpecificQCow2_wrapper_members(v, &obj->u.qcow2, &err); | break; | case IMAGE_INFO_SPECIFIC_KIND_VMDK: |- visit_type_ImageInfoSpecificVmdk(v, "data", &obj->u.vmdk, &err); |+ visit_type_q_obj_ImageInfoSpecificVmdk_wrapper_members(v, &obj->u.vmdk, &err); | break; | default: | abort(); Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1458254921-17042-13-git-send-email-eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-03-17 23:48:37 +01:00
InputKeyEvent *key = evt->u.key.data;
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
int qcode;
hw: convert ps2 device to keycodemapdb Replace the qcode_to_keycode_set1, qcode_to_keycode_set2, and qcode_to_keycode_set3 tables with automatically generated tables. Missing entries in qcode_to_keycode_set1 now fixed: - Q_KEY_CODE_SYSRQ -> 0x54 - Q_KEY_CODE_PRINT -> 0x54 (NB ignored due to special case) - Q_KEY_CODE_AGAIN -> 0xe005 - Q_KEY_CODE_PROPS -> 0xe006 - Q_KEY_CODE_UNDO -> 0xe007 - Q_KEY_CODE_FRONT -> 0xe00c - Q_KEY_CODE_COPY -> 0xe078 - Q_KEY_CODE_OPEN -> 0x64 - Q_KEY_CODE_PASTE -> 0x65 - Q_KEY_CODE_CUT -> 0xe03c - Q_KEY_CODE_LF -> 0x5b - Q_KEY_CODE_HELP -> 0xe075 - Q_KEY_CODE_COMPOSE -> 0xe05d - Q_KEY_CODE_PAUSE -> 0xe046 - Q_KEY_CODE_KP_EQUALS -> 0x59 And some mistakes corrected: - Q_KEY_CODE_HIRAGANA was mapped to 0x70 (Katakanahiragana) instead of of 0x77 (Hirigana) - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0xe05d) and is now mapped to 0xe01e - Q_KEY_CODE_FIND was mapped to 0xe065 (Search) instead of to 0xe041 (Find) - Q_KEY_CODE_POWER, SLEEP & WAKE had 0x0e instead of 0xe0 as the prefix Missing entries in qcode_to_keycode_set2 now fixed: - Q_KEY_CODE_PRINT -> 0x7f (NB ignored due to special case) - Q_KEY_CODE_COMPOSE -> 0xe02f - Q_KEY_CODE_PAUSE -> 0xe077 - Q_KEY_CODE_KP_EQUALS -> 0x0f And some mistakes corrected: - Q_KEY_CODE_HIRAGANA was mapped to 0x13 (Katakanahiragana) instead of of 0x62 (Hirigana) - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0xe02f) and is now not mapped - Q_KEY_CODE_FIND was mapped to 0xe010 (Search) and is now not mapped. - Q_KEY_CODE_POWER, SLEEP & WAKE had 0x0e instead of 0xe0 as the prefix Missing entries in qcode_to_keycode_set3 now fixed: - Q_KEY_CODE_ASTERISK -> 0x7e - Q_KEY_CODE_SYSRQ -> 0x57 - Q_KEY_CODE_LESS -> 0x13 - Q_KEY_CODE_STOP -> 0x0a - Q_KEY_CODE_AGAIN -> 0x0b - Q_KEY_CODE_PROPS -> 0x0c - Q_KEY_CODE_UNDO -> 0x10 - Q_KEY_CODE_COPY -> 0x18 - Q_KEY_CODE_OPEN -> 0x20 - Q_KEY_CODE_PASTE -> 0x28 - Q_KEY_CODE_FIND -> 0x30 - Q_KEY_CODE_CUT -> 0x38 - Q_KEY_CODE_HELP -> 0x09 - Q_KEY_CODE_COMPOSE -> 0x8d - Q_KEY_CODE_AUDIONEXT -> 0x93 - Q_KEY_CODE_AUDIOPREV -> 0x94 - Q_KEY_CODE_AUDIOSTOP -> 0x98 - Q_KEY_CODE_AUDIOMUTE -> 0x9c - Q_KEY_CODE_VOLUMEUP -> 0x95 - Q_KEY_CODE_VOLUMEDOWN -> 0x9d - Q_KEY_CODE_CALCULATOR -> 0xa3 - Q_KEY_CODE_AC_HOME -> 0x97 And some mistakes corrected: - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0x8d) and is now 0x91 Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20180117164118.8510-2-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2018-01-17 17:41:15 +01:00
uint16_t keycode = 0;
ps2: fix scancodes sent for Alt-Print key combination (aka SysRq) The 'Print' key is special in the AT set 1 / set 2 scancode definitions. An unmodified 'Print' key is supposed to send AT Set 1: e0 2a e0 37 (Down) e0 b7 e0 aa (Up) AT Set 2: e0 12 e0 7c (Down) e0 f0 7c e0 f0 12 (Up) which QEMU gets right. When pressed in combination with the 'Alt_L' or 'Alt_R' keys (which signify SysRq), the scancodes are required to follow a different scheme. With Alt_L, the expected sequences are AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) And with Alt_R AT set 1: e0 38, 54 (Down) d4, e0 b8 (Up) AT set 2: e0 11, 84 (Down) f0 84, f0 e0 11 (Up) It is actually slightly more complicated than that, because (according results of 'showkey -s', keyboards will in fact first release the currently pressed modifier before sending the sequence above (which effectively re-presses & then releases the modifier) and finally re-press the original modifier afterwards. IOW, with Alt_L we need to send AT set 1: b8, 38, 54 (Down) d4, b8, 38 (Up) AT set 2: f0 11, 11, 84 (Down) f0 84, f0 11, 11 (Up) And with Alt_R AT set 1: e0 b8, e0 38, 54 (Down) d4, e0 b8, e0 38 (Up) AT set 2: e0 f0 11, e0 11, 84 (Down) f0 84, e0 f0 11, e0 11 (Up) The AT set 3 scancodes have no special handling for Alt-Print. Rather than fixing the handling of the 'print' key in the ps2 driver to consider the Alt modifiers, way back, a patch was commited that defined an extra 'sysrq' key name: commit f2289cb6924afc97b2a75d21bfc9217024d11741 Author: balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Wed Jun 4 10:14:16 2008 +0000 Add sysrq to key names known by "sendkey". Adding sysrq keycode to the table enabling running sysrq debugging in the guest via the monitor sendkey command, like: (qemu) sendkey alt-sysrq-t Tested on x86-64 target and Linux guest. Signed-off-by: Ryan Harper <ryanh@us.ibm.com> With this patch QEMU would send AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) but this doesn't match what actual real keyboards send, as it is not releasing the original modifier & pressing it again afterwards. In addition the original problem remains, and a new problem was added: - The sequence 'alt-print-t' is still broken, acting as if 'print-t' was requested - The sequence 'sysrq-t' is broken, injecting an undefine scancode sequence tot he guest os (bare 0x54) To deal with this mess we make these changes to the ps2 code, so that we track the state of modifier keys (Alt, Shift, Ctrl - both left & right). Then we can vary what scancodes are sent for Q_KEY_CODE_PRINT according to the Alt key modifier state Interestingly, it appears that of operating systems I've checked (Linux, FreeBSD and OpenSolaris), none of them actually bother to validate the full sequences for a unmodified 'Print' key. They all just ignore the leading "e0 2a" and trigger based off "e0 37" alone. The latter two byte sequence is what keyboards send with 'Print' is combined with 'Shift' or 'Ctrl' modifiers. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20171019142848.572-5-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-10-19 16:28:43 +02:00
int mod;
/* do not process events while disabled to prevent stream corruption */
if (!s->scan_enabled) {
return;
}
qmp hmp: Make system_wakeup check wake-up support and run state The qmp/hmp command 'system_wakeup' is simply a direct call to 'qemu_system_wakeup_request' from vl.c. This function verifies if runstate is SUSPENDED and if the wake up reason is valid before proceeding. However, no error or warning is thrown if any of those pre-requirements isn't met. There is no way for the caller to differentiate between a successful wakeup or an error state caused when trying to wake up a guest that wasn't suspended. This means that system_wakeup is silently failing, which can be considered a bug. Adding error handling isn't an API break in this case - applications that didn't check the result will remain broken, the ones that check it will have a chance to deal with it. Adding to that, the commit before previous created a new QMP API called query-current-machine, with a new flag called wakeup-suspend-support, that indicates if the guest has the capability of waking up from suspended state. Although such guest will never reach SUSPENDED state and erroring it out in this scenario would suffice, it is more informative for the user to differentiate between a failure because the guest isn't suspended versus a failure because the guest does not have support for wake up at all. All this considered, this patch changes qmp_system_wakeup to check if the guest is capable of waking up from suspend, and if it is suspended. After this patch, this is the output of system_wakeup in a guest that does not have wake-up from suspend support (ppc64): (qemu) system_wakeup wake-up from suspend is not supported by this guest (qemu) And this is the output of system_wakeup in a x86 guest that has the support but isn't suspended: (qemu) system_wakeup Unable to wake up: guest is not in suspended state (qemu) Reported-by: Balamuruhan S <bala24@linux.vnet.ibm.com> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20181205194701.17836-4-danielhb413@gmail.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Acked-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2018-12-05 20:47:01 +01:00
qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, NULL);
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
assert(evt->type == INPUT_EVENT_KIND_KEY);
qcode = qemu_input_key_value_to_qcode(key->key);
ps2: fix scancodes sent for Alt-Print key combination (aka SysRq) The 'Print' key is special in the AT set 1 / set 2 scancode definitions. An unmodified 'Print' key is supposed to send AT Set 1: e0 2a e0 37 (Down) e0 b7 e0 aa (Up) AT Set 2: e0 12 e0 7c (Down) e0 f0 7c e0 f0 12 (Up) which QEMU gets right. When pressed in combination with the 'Alt_L' or 'Alt_R' keys (which signify SysRq), the scancodes are required to follow a different scheme. With Alt_L, the expected sequences are AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) And with Alt_R AT set 1: e0 38, 54 (Down) d4, e0 b8 (Up) AT set 2: e0 11, 84 (Down) f0 84, f0 e0 11 (Up) It is actually slightly more complicated than that, because (according results of 'showkey -s', keyboards will in fact first release the currently pressed modifier before sending the sequence above (which effectively re-presses & then releases the modifier) and finally re-press the original modifier afterwards. IOW, with Alt_L we need to send AT set 1: b8, 38, 54 (Down) d4, b8, 38 (Up) AT set 2: f0 11, 11, 84 (Down) f0 84, f0 11, 11 (Up) And with Alt_R AT set 1: e0 b8, e0 38, 54 (Down) d4, e0 b8, e0 38 (Up) AT set 2: e0 f0 11, e0 11, 84 (Down) f0 84, e0 f0 11, e0 11 (Up) The AT set 3 scancodes have no special handling for Alt-Print. Rather than fixing the handling of the 'print' key in the ps2 driver to consider the Alt modifiers, way back, a patch was commited that defined an extra 'sysrq' key name: commit f2289cb6924afc97b2a75d21bfc9217024d11741 Author: balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Wed Jun 4 10:14:16 2008 +0000 Add sysrq to key names known by "sendkey". Adding sysrq keycode to the table enabling running sysrq debugging in the guest via the monitor sendkey command, like: (qemu) sendkey alt-sysrq-t Tested on x86-64 target and Linux guest. Signed-off-by: Ryan Harper <ryanh@us.ibm.com> With this patch QEMU would send AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) but this doesn't match what actual real keyboards send, as it is not releasing the original modifier & pressing it again afterwards. In addition the original problem remains, and a new problem was added: - The sequence 'alt-print-t' is still broken, acting as if 'print-t' was requested - The sequence 'sysrq-t' is broken, injecting an undefine scancode sequence tot he guest os (bare 0x54) To deal with this mess we make these changes to the ps2 code, so that we track the state of modifier keys (Alt, Shift, Ctrl - both left & right). Then we can vary what scancodes are sent for Q_KEY_CODE_PRINT according to the Alt key modifier state Interestingly, it appears that of operating systems I've checked (Linux, FreeBSD and OpenSolaris), none of them actually bother to validate the full sequences for a unmodified 'Print' key. They all just ignore the leading "e0 2a" and trigger based off "e0 37" alone. The latter two byte sequence is what keyboards send with 'Print' is combined with 'Shift' or 'Ctrl' modifiers. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20171019142848.572-5-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-10-19 16:28:43 +02:00
mod = ps2_modifier_bit(qcode);
trace_ps2_keyboard_event(s, qcode, key->down, mod, s->modifiers);
if (key->down) {
s->modifiers |= mod;
} else {
s->modifiers &= ~mod;
}
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
if (s->scancode_set == 1) {
if (qcode == Q_KEY_CODE_PAUSE) {
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);
}
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
}
} else if (qcode == Q_KEY_CODE_PRINT) {
ps2: fix scancodes sent for Alt-Print key combination (aka SysRq) The 'Print' key is special in the AT set 1 / set 2 scancode definitions. An unmodified 'Print' key is supposed to send AT Set 1: e0 2a e0 37 (Down) e0 b7 e0 aa (Up) AT Set 2: e0 12 e0 7c (Down) e0 f0 7c e0 f0 12 (Up) which QEMU gets right. When pressed in combination with the 'Alt_L' or 'Alt_R' keys (which signify SysRq), the scancodes are required to follow a different scheme. With Alt_L, the expected sequences are AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) And with Alt_R AT set 1: e0 38, 54 (Down) d4, e0 b8 (Up) AT set 2: e0 11, 84 (Down) f0 84, f0 e0 11 (Up) It is actually slightly more complicated than that, because (according results of 'showkey -s', keyboards will in fact first release the currently pressed modifier before sending the sequence above (which effectively re-presses & then releases the modifier) and finally re-press the original modifier afterwards. IOW, with Alt_L we need to send AT set 1: b8, 38, 54 (Down) d4, b8, 38 (Up) AT set 2: f0 11, 11, 84 (Down) f0 84, f0 11, 11 (Up) And with Alt_R AT set 1: e0 b8, e0 38, 54 (Down) d4, e0 b8, e0 38 (Up) AT set 2: e0 f0 11, e0 11, 84 (Down) f0 84, e0 f0 11, e0 11 (Up) The AT set 3 scancodes have no special handling for Alt-Print. Rather than fixing the handling of the 'print' key in the ps2 driver to consider the Alt modifiers, way back, a patch was commited that defined an extra 'sysrq' key name: commit f2289cb6924afc97b2a75d21bfc9217024d11741 Author: balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Wed Jun 4 10:14:16 2008 +0000 Add sysrq to key names known by "sendkey". Adding sysrq keycode to the table enabling running sysrq debugging in the guest via the monitor sendkey command, like: (qemu) sendkey alt-sysrq-t Tested on x86-64 target and Linux guest. Signed-off-by: Ryan Harper <ryanh@us.ibm.com> With this patch QEMU would send AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) but this doesn't match what actual real keyboards send, as it is not releasing the original modifier & pressing it again afterwards. In addition the original problem remains, and a new problem was added: - The sequence 'alt-print-t' is still broken, acting as if 'print-t' was requested - The sequence 'sysrq-t' is broken, injecting an undefine scancode sequence tot he guest os (bare 0x54) To deal with this mess we make these changes to the ps2 code, so that we track the state of modifier keys (Alt, Shift, Ctrl - both left & right). Then we can vary what scancodes are sent for Q_KEY_CODE_PRINT according to the Alt key modifier state Interestingly, it appears that of operating systems I've checked (Linux, FreeBSD and OpenSolaris), none of them actually bother to validate the full sequences for a unmodified 'Print' key. They all just ignore the leading "e0 2a" and trigger based off "e0 37" alone. The latter two byte sequence is what keyboards send with 'Print' is combined with 'Shift' or 'Ctrl' modifiers. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20171019142848.572-5-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-10-19 16:28:43 +02:00
if (s->modifiers & MOD_ALT_L) {
if (key->down) {
ps2_put_keycode(s, 0xb8);
ps2_put_keycode(s, 0x38);
ps2_put_keycode(s, 0x54);
} else {
ps2_put_keycode(s, 0xd4);
ps2_put_keycode(s, 0xb8);
ps2_put_keycode(s, 0x38);
}
} else if (s->modifiers & MOD_ALT_R) {
if (key->down) {
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0xb8);
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0x38);
ps2_put_keycode(s, 0x54);
} else {
ps2_put_keycode(s, 0xd4);
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0xb8);
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0x38);
}
} else if (s->modifiers & (MOD_SHIFT_L | MOD_CTRL_L |
MOD_SHIFT_R | MOD_CTRL_R)) {
if (key->down) {
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0x37);
} else {
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0xb7);
}
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
} else {
ps2: fix scancodes sent for Alt-Print key combination (aka SysRq) The 'Print' key is special in the AT set 1 / set 2 scancode definitions. An unmodified 'Print' key is supposed to send AT Set 1: e0 2a e0 37 (Down) e0 b7 e0 aa (Up) AT Set 2: e0 12 e0 7c (Down) e0 f0 7c e0 f0 12 (Up) which QEMU gets right. When pressed in combination with the 'Alt_L' or 'Alt_R' keys (which signify SysRq), the scancodes are required to follow a different scheme. With Alt_L, the expected sequences are AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) And with Alt_R AT set 1: e0 38, 54 (Down) d4, e0 b8 (Up) AT set 2: e0 11, 84 (Down) f0 84, f0 e0 11 (Up) It is actually slightly more complicated than that, because (according results of 'showkey -s', keyboards will in fact first release the currently pressed modifier before sending the sequence above (which effectively re-presses & then releases the modifier) and finally re-press the original modifier afterwards. IOW, with Alt_L we need to send AT set 1: b8, 38, 54 (Down) d4, b8, 38 (Up) AT set 2: f0 11, 11, 84 (Down) f0 84, f0 11, 11 (Up) And with Alt_R AT set 1: e0 b8, e0 38, 54 (Down) d4, e0 b8, e0 38 (Up) AT set 2: e0 f0 11, e0 11, 84 (Down) f0 84, e0 f0 11, e0 11 (Up) The AT set 3 scancodes have no special handling for Alt-Print. Rather than fixing the handling of the 'print' key in the ps2 driver to consider the Alt modifiers, way back, a patch was commited that defined an extra 'sysrq' key name: commit f2289cb6924afc97b2a75d21bfc9217024d11741 Author: balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Wed Jun 4 10:14:16 2008 +0000 Add sysrq to key names known by "sendkey". Adding sysrq keycode to the table enabling running sysrq debugging in the guest via the monitor sendkey command, like: (qemu) sendkey alt-sysrq-t Tested on x86-64 target and Linux guest. Signed-off-by: Ryan Harper <ryanh@us.ibm.com> With this patch QEMU would send AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) but this doesn't match what actual real keyboards send, as it is not releasing the original modifier & pressing it again afterwards. In addition the original problem remains, and a new problem was added: - The sequence 'alt-print-t' is still broken, acting as if 'print-t' was requested - The sequence 'sysrq-t' is broken, injecting an undefine scancode sequence tot he guest os (bare 0x54) To deal with this mess we make these changes to the ps2 code, so that we track the state of modifier keys (Alt, Shift, Ctrl - both left & right). Then we can vary what scancodes are sent for Q_KEY_CODE_PRINT according to the Alt key modifier state Interestingly, it appears that of operating systems I've checked (Linux, FreeBSD and OpenSolaris), none of them actually bother to validate the full sequences for a unmodified 'Print' key. They all just ignore the leading "e0 2a" and trigger based off "e0 37" alone. The latter two byte sequence is what keyboards send with 'Print' is combined with 'Shift' or 'Ctrl' modifiers. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20171019142848.572-5-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-10-19 16:28:43 +02:00
if (key->down) {
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0x2a);
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0x37);
} else {
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0xb7);
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0xaa);
}
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
}
} else {
hw: convert ps2 device to keycodemapdb Replace the qcode_to_keycode_set1, qcode_to_keycode_set2, and qcode_to_keycode_set3 tables with automatically generated tables. Missing entries in qcode_to_keycode_set1 now fixed: - Q_KEY_CODE_SYSRQ -> 0x54 - Q_KEY_CODE_PRINT -> 0x54 (NB ignored due to special case) - Q_KEY_CODE_AGAIN -> 0xe005 - Q_KEY_CODE_PROPS -> 0xe006 - Q_KEY_CODE_UNDO -> 0xe007 - Q_KEY_CODE_FRONT -> 0xe00c - Q_KEY_CODE_COPY -> 0xe078 - Q_KEY_CODE_OPEN -> 0x64 - Q_KEY_CODE_PASTE -> 0x65 - Q_KEY_CODE_CUT -> 0xe03c - Q_KEY_CODE_LF -> 0x5b - Q_KEY_CODE_HELP -> 0xe075 - Q_KEY_CODE_COMPOSE -> 0xe05d - Q_KEY_CODE_PAUSE -> 0xe046 - Q_KEY_CODE_KP_EQUALS -> 0x59 And some mistakes corrected: - Q_KEY_CODE_HIRAGANA was mapped to 0x70 (Katakanahiragana) instead of of 0x77 (Hirigana) - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0xe05d) and is now mapped to 0xe01e - Q_KEY_CODE_FIND was mapped to 0xe065 (Search) instead of to 0xe041 (Find) - Q_KEY_CODE_POWER, SLEEP & WAKE had 0x0e instead of 0xe0 as the prefix Missing entries in qcode_to_keycode_set2 now fixed: - Q_KEY_CODE_PRINT -> 0x7f (NB ignored due to special case) - Q_KEY_CODE_COMPOSE -> 0xe02f - Q_KEY_CODE_PAUSE -> 0xe077 - Q_KEY_CODE_KP_EQUALS -> 0x0f And some mistakes corrected: - Q_KEY_CODE_HIRAGANA was mapped to 0x13 (Katakanahiragana) instead of of 0x62 (Hirigana) - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0xe02f) and is now not mapped - Q_KEY_CODE_FIND was mapped to 0xe010 (Search) and is now not mapped. - Q_KEY_CODE_POWER, SLEEP & WAKE had 0x0e instead of 0xe0 as the prefix Missing entries in qcode_to_keycode_set3 now fixed: - Q_KEY_CODE_ASTERISK -> 0x7e - Q_KEY_CODE_SYSRQ -> 0x57 - Q_KEY_CODE_LESS -> 0x13 - Q_KEY_CODE_STOP -> 0x0a - Q_KEY_CODE_AGAIN -> 0x0b - Q_KEY_CODE_PROPS -> 0x0c - Q_KEY_CODE_UNDO -> 0x10 - Q_KEY_CODE_COPY -> 0x18 - Q_KEY_CODE_OPEN -> 0x20 - Q_KEY_CODE_PASTE -> 0x28 - Q_KEY_CODE_FIND -> 0x30 - Q_KEY_CODE_CUT -> 0x38 - Q_KEY_CODE_HELP -> 0x09 - Q_KEY_CODE_COMPOSE -> 0x8d - Q_KEY_CODE_AUDIONEXT -> 0x93 - Q_KEY_CODE_AUDIOPREV -> 0x94 - Q_KEY_CODE_AUDIOSTOP -> 0x98 - Q_KEY_CODE_AUDIOMUTE -> 0x9c - Q_KEY_CODE_VOLUMEUP -> 0x95 - Q_KEY_CODE_VOLUMEDOWN -> 0x9d - Q_KEY_CODE_CALCULATOR -> 0xa3 - Q_KEY_CODE_AC_HOME -> 0x97 And some mistakes corrected: - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0x8d) and is now 0x91 Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20180117164118.8510-2-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2018-01-17 17:41:15 +01:00
if (qcode < qemu_input_map_qcode_to_atset1_len)
keycode = qemu_input_map_qcode_to_atset1[qcode];
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
if (keycode) {
if (keycode & 0xff00) {
ps2_put_keycode(s, keycode >> 8);
}
if (!key->down) {
keycode |= 0x80;
}
ps2_put_keycode(s, keycode & 0xff);
} else {
qemu_log_mask(LOG_UNIMP,
"ps2: ignoring key with qcode %d\n", qcode);
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
}
}
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
} else if (s->scancode_set == 2) {
if (qcode == Q_KEY_CODE_PAUSE) {
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);
}
}
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
} else if (qcode == Q_KEY_CODE_PRINT) {
ps2: fix scancodes sent for Alt-Print key combination (aka SysRq) The 'Print' key is special in the AT set 1 / set 2 scancode definitions. An unmodified 'Print' key is supposed to send AT Set 1: e0 2a e0 37 (Down) e0 b7 e0 aa (Up) AT Set 2: e0 12 e0 7c (Down) e0 f0 7c e0 f0 12 (Up) which QEMU gets right. When pressed in combination with the 'Alt_L' or 'Alt_R' keys (which signify SysRq), the scancodes are required to follow a different scheme. With Alt_L, the expected sequences are AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) And with Alt_R AT set 1: e0 38, 54 (Down) d4, e0 b8 (Up) AT set 2: e0 11, 84 (Down) f0 84, f0 e0 11 (Up) It is actually slightly more complicated than that, because (according results of 'showkey -s', keyboards will in fact first release the currently pressed modifier before sending the sequence above (which effectively re-presses & then releases the modifier) and finally re-press the original modifier afterwards. IOW, with Alt_L we need to send AT set 1: b8, 38, 54 (Down) d4, b8, 38 (Up) AT set 2: f0 11, 11, 84 (Down) f0 84, f0 11, 11 (Up) And with Alt_R AT set 1: e0 b8, e0 38, 54 (Down) d4, e0 b8, e0 38 (Up) AT set 2: e0 f0 11, e0 11, 84 (Down) f0 84, e0 f0 11, e0 11 (Up) The AT set 3 scancodes have no special handling for Alt-Print. Rather than fixing the handling of the 'print' key in the ps2 driver to consider the Alt modifiers, way back, a patch was commited that defined an extra 'sysrq' key name: commit f2289cb6924afc97b2a75d21bfc9217024d11741 Author: balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Wed Jun 4 10:14:16 2008 +0000 Add sysrq to key names known by "sendkey". Adding sysrq keycode to the table enabling running sysrq debugging in the guest via the monitor sendkey command, like: (qemu) sendkey alt-sysrq-t Tested on x86-64 target and Linux guest. Signed-off-by: Ryan Harper <ryanh@us.ibm.com> With this patch QEMU would send AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) but this doesn't match what actual real keyboards send, as it is not releasing the original modifier & pressing it again afterwards. In addition the original problem remains, and a new problem was added: - The sequence 'alt-print-t' is still broken, acting as if 'print-t' was requested - The sequence 'sysrq-t' is broken, injecting an undefine scancode sequence tot he guest os (bare 0x54) To deal with this mess we make these changes to the ps2 code, so that we track the state of modifier keys (Alt, Shift, Ctrl - both left & right). Then we can vary what scancodes are sent for Q_KEY_CODE_PRINT according to the Alt key modifier state Interestingly, it appears that of operating systems I've checked (Linux, FreeBSD and OpenSolaris), none of them actually bother to validate the full sequences for a unmodified 'Print' key. They all just ignore the leading "e0 2a" and trigger based off "e0 37" alone. The latter two byte sequence is what keyboards send with 'Print' is combined with 'Shift' or 'Ctrl' modifiers. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20171019142848.572-5-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-10-19 16:28:43 +02:00
if (s->modifiers & MOD_ALT_L) {
if (key->down) {
ps2_put_keycode(s, 0xf0);
ps2_put_keycode(s, 0x11);
ps2_put_keycode(s, 0x11);
ps2_put_keycode(s, 0x84);
} else {
ps2_put_keycode(s, 0xf0);
ps2_put_keycode(s, 0x84);
ps2_put_keycode(s, 0xf0);
ps2_put_keycode(s, 0x11);
ps2_put_keycode(s, 0x11);
}
} else if (s->modifiers & MOD_ALT_R) {
if (key->down) {
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0xf0);
ps2_put_keycode(s, 0x11);
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0x11);
ps2_put_keycode(s, 0x84);
} else {
ps2_put_keycode(s, 0xf0);
ps2_put_keycode(s, 0x84);
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0xf0);
ps2_put_keycode(s, 0x11);
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0x11);
}
} else if (s->modifiers & (MOD_SHIFT_L | MOD_CTRL_L |
MOD_SHIFT_R | MOD_CTRL_R)) {
if (key->down) {
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0x7c);
} else {
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0xf0);
ps2_put_keycode(s, 0x7c);
}
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
} else {
ps2: fix scancodes sent for Alt-Print key combination (aka SysRq) The 'Print' key is special in the AT set 1 / set 2 scancode definitions. An unmodified 'Print' key is supposed to send AT Set 1: e0 2a e0 37 (Down) e0 b7 e0 aa (Up) AT Set 2: e0 12 e0 7c (Down) e0 f0 7c e0 f0 12 (Up) which QEMU gets right. When pressed in combination with the 'Alt_L' or 'Alt_R' keys (which signify SysRq), the scancodes are required to follow a different scheme. With Alt_L, the expected sequences are AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) And with Alt_R AT set 1: e0 38, 54 (Down) d4, e0 b8 (Up) AT set 2: e0 11, 84 (Down) f0 84, f0 e0 11 (Up) It is actually slightly more complicated than that, because (according results of 'showkey -s', keyboards will in fact first release the currently pressed modifier before sending the sequence above (which effectively re-presses & then releases the modifier) and finally re-press the original modifier afterwards. IOW, with Alt_L we need to send AT set 1: b8, 38, 54 (Down) d4, b8, 38 (Up) AT set 2: f0 11, 11, 84 (Down) f0 84, f0 11, 11 (Up) And with Alt_R AT set 1: e0 b8, e0 38, 54 (Down) d4, e0 b8, e0 38 (Up) AT set 2: e0 f0 11, e0 11, 84 (Down) f0 84, e0 f0 11, e0 11 (Up) The AT set 3 scancodes have no special handling for Alt-Print. Rather than fixing the handling of the 'print' key in the ps2 driver to consider the Alt modifiers, way back, a patch was commited that defined an extra 'sysrq' key name: commit f2289cb6924afc97b2a75d21bfc9217024d11741 Author: balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Wed Jun 4 10:14:16 2008 +0000 Add sysrq to key names known by "sendkey". Adding sysrq keycode to the table enabling running sysrq debugging in the guest via the monitor sendkey command, like: (qemu) sendkey alt-sysrq-t Tested on x86-64 target and Linux guest. Signed-off-by: Ryan Harper <ryanh@us.ibm.com> With this patch QEMU would send AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) but this doesn't match what actual real keyboards send, as it is not releasing the original modifier & pressing it again afterwards. In addition the original problem remains, and a new problem was added: - The sequence 'alt-print-t' is still broken, acting as if 'print-t' was requested - The sequence 'sysrq-t' is broken, injecting an undefine scancode sequence tot he guest os (bare 0x54) To deal with this mess we make these changes to the ps2 code, so that we track the state of modifier keys (Alt, Shift, Ctrl - both left & right). Then we can vary what scancodes are sent for Q_KEY_CODE_PRINT according to the Alt key modifier state Interestingly, it appears that of operating systems I've checked (Linux, FreeBSD and OpenSolaris), none of them actually bother to validate the full sequences for a unmodified 'Print' key. They all just ignore the leading "e0 2a" and trigger based off "e0 37" alone. The latter two byte sequence is what keyboards send with 'Print' is combined with 'Shift' or 'Ctrl' modifiers. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20171019142848.572-5-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-10-19 16:28:43 +02:00
if (key->down) {
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0x12);
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0x7c);
} else {
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0xf0);
ps2_put_keycode(s, 0x7c);
ps2_put_keycode(s, 0xe0);
ps2_put_keycode(s, 0xf0);
ps2_put_keycode(s, 0x12);
}
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
}
} else {
hw: convert ps2 device to keycodemapdb Replace the qcode_to_keycode_set1, qcode_to_keycode_set2, and qcode_to_keycode_set3 tables with automatically generated tables. Missing entries in qcode_to_keycode_set1 now fixed: - Q_KEY_CODE_SYSRQ -> 0x54 - Q_KEY_CODE_PRINT -> 0x54 (NB ignored due to special case) - Q_KEY_CODE_AGAIN -> 0xe005 - Q_KEY_CODE_PROPS -> 0xe006 - Q_KEY_CODE_UNDO -> 0xe007 - Q_KEY_CODE_FRONT -> 0xe00c - Q_KEY_CODE_COPY -> 0xe078 - Q_KEY_CODE_OPEN -> 0x64 - Q_KEY_CODE_PASTE -> 0x65 - Q_KEY_CODE_CUT -> 0xe03c - Q_KEY_CODE_LF -> 0x5b - Q_KEY_CODE_HELP -> 0xe075 - Q_KEY_CODE_COMPOSE -> 0xe05d - Q_KEY_CODE_PAUSE -> 0xe046 - Q_KEY_CODE_KP_EQUALS -> 0x59 And some mistakes corrected: - Q_KEY_CODE_HIRAGANA was mapped to 0x70 (Katakanahiragana) instead of of 0x77 (Hirigana) - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0xe05d) and is now mapped to 0xe01e - Q_KEY_CODE_FIND was mapped to 0xe065 (Search) instead of to 0xe041 (Find) - Q_KEY_CODE_POWER, SLEEP & WAKE had 0x0e instead of 0xe0 as the prefix Missing entries in qcode_to_keycode_set2 now fixed: - Q_KEY_CODE_PRINT -> 0x7f (NB ignored due to special case) - Q_KEY_CODE_COMPOSE -> 0xe02f - Q_KEY_CODE_PAUSE -> 0xe077 - Q_KEY_CODE_KP_EQUALS -> 0x0f And some mistakes corrected: - Q_KEY_CODE_HIRAGANA was mapped to 0x13 (Katakanahiragana) instead of of 0x62 (Hirigana) - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0xe02f) and is now not mapped - Q_KEY_CODE_FIND was mapped to 0xe010 (Search) and is now not mapped. - Q_KEY_CODE_POWER, SLEEP & WAKE had 0x0e instead of 0xe0 as the prefix Missing entries in qcode_to_keycode_set3 now fixed: - Q_KEY_CODE_ASTERISK -> 0x7e - Q_KEY_CODE_SYSRQ -> 0x57 - Q_KEY_CODE_LESS -> 0x13 - Q_KEY_CODE_STOP -> 0x0a - Q_KEY_CODE_AGAIN -> 0x0b - Q_KEY_CODE_PROPS -> 0x0c - Q_KEY_CODE_UNDO -> 0x10 - Q_KEY_CODE_COPY -> 0x18 - Q_KEY_CODE_OPEN -> 0x20 - Q_KEY_CODE_PASTE -> 0x28 - Q_KEY_CODE_FIND -> 0x30 - Q_KEY_CODE_CUT -> 0x38 - Q_KEY_CODE_HELP -> 0x09 - Q_KEY_CODE_COMPOSE -> 0x8d - Q_KEY_CODE_AUDIONEXT -> 0x93 - Q_KEY_CODE_AUDIOPREV -> 0x94 - Q_KEY_CODE_AUDIOSTOP -> 0x98 - Q_KEY_CODE_AUDIOMUTE -> 0x9c - Q_KEY_CODE_VOLUMEUP -> 0x95 - Q_KEY_CODE_VOLUMEDOWN -> 0x9d - Q_KEY_CODE_CALCULATOR -> 0xa3 - Q_KEY_CODE_AC_HOME -> 0x97 And some mistakes corrected: - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0x8d) and is now 0x91 Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20180117164118.8510-2-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2018-01-17 17:41:15 +01:00
if (qcode < qemu_input_map_qcode_to_atset2_len)
keycode = qemu_input_map_qcode_to_atset2[qcode];
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
if (keycode) {
if (keycode & 0xff00) {
ps2_put_keycode(s, keycode >> 8);
}
if (!key->down) {
ps2_put_keycode(s, 0xf0);
}
ps2_put_keycode(s, keycode & 0xff);
} else {
qemu_log_mask(LOG_UNIMP,
"ps2: ignoring key with qcode %d\n", qcode);
}
}
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
} else if (s->scancode_set == 3) {
hw: convert ps2 device to keycodemapdb Replace the qcode_to_keycode_set1, qcode_to_keycode_set2, and qcode_to_keycode_set3 tables with automatically generated tables. Missing entries in qcode_to_keycode_set1 now fixed: - Q_KEY_CODE_SYSRQ -> 0x54 - Q_KEY_CODE_PRINT -> 0x54 (NB ignored due to special case) - Q_KEY_CODE_AGAIN -> 0xe005 - Q_KEY_CODE_PROPS -> 0xe006 - Q_KEY_CODE_UNDO -> 0xe007 - Q_KEY_CODE_FRONT -> 0xe00c - Q_KEY_CODE_COPY -> 0xe078 - Q_KEY_CODE_OPEN -> 0x64 - Q_KEY_CODE_PASTE -> 0x65 - Q_KEY_CODE_CUT -> 0xe03c - Q_KEY_CODE_LF -> 0x5b - Q_KEY_CODE_HELP -> 0xe075 - Q_KEY_CODE_COMPOSE -> 0xe05d - Q_KEY_CODE_PAUSE -> 0xe046 - Q_KEY_CODE_KP_EQUALS -> 0x59 And some mistakes corrected: - Q_KEY_CODE_HIRAGANA was mapped to 0x70 (Katakanahiragana) instead of of 0x77 (Hirigana) - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0xe05d) and is now mapped to 0xe01e - Q_KEY_CODE_FIND was mapped to 0xe065 (Search) instead of to 0xe041 (Find) - Q_KEY_CODE_POWER, SLEEP & WAKE had 0x0e instead of 0xe0 as the prefix Missing entries in qcode_to_keycode_set2 now fixed: - Q_KEY_CODE_PRINT -> 0x7f (NB ignored due to special case) - Q_KEY_CODE_COMPOSE -> 0xe02f - Q_KEY_CODE_PAUSE -> 0xe077 - Q_KEY_CODE_KP_EQUALS -> 0x0f And some mistakes corrected: - Q_KEY_CODE_HIRAGANA was mapped to 0x13 (Katakanahiragana) instead of of 0x62 (Hirigana) - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0xe02f) and is now not mapped - Q_KEY_CODE_FIND was mapped to 0xe010 (Search) and is now not mapped. - Q_KEY_CODE_POWER, SLEEP & WAKE had 0x0e instead of 0xe0 as the prefix Missing entries in qcode_to_keycode_set3 now fixed: - Q_KEY_CODE_ASTERISK -> 0x7e - Q_KEY_CODE_SYSRQ -> 0x57 - Q_KEY_CODE_LESS -> 0x13 - Q_KEY_CODE_STOP -> 0x0a - Q_KEY_CODE_AGAIN -> 0x0b - Q_KEY_CODE_PROPS -> 0x0c - Q_KEY_CODE_UNDO -> 0x10 - Q_KEY_CODE_COPY -> 0x18 - Q_KEY_CODE_OPEN -> 0x20 - Q_KEY_CODE_PASTE -> 0x28 - Q_KEY_CODE_FIND -> 0x30 - Q_KEY_CODE_CUT -> 0x38 - Q_KEY_CODE_HELP -> 0x09 - Q_KEY_CODE_COMPOSE -> 0x8d - Q_KEY_CODE_AUDIONEXT -> 0x93 - Q_KEY_CODE_AUDIOPREV -> 0x94 - Q_KEY_CODE_AUDIOSTOP -> 0x98 - Q_KEY_CODE_AUDIOMUTE -> 0x9c - Q_KEY_CODE_VOLUMEUP -> 0x95 - Q_KEY_CODE_VOLUMEDOWN -> 0x9d - Q_KEY_CODE_CALCULATOR -> 0xa3 - Q_KEY_CODE_AC_HOME -> 0x97 And some mistakes corrected: - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0x8d) and is now 0x91 Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20180117164118.8510-2-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2018-01-17 17:41:15 +01:00
if (qcode < qemu_input_map_qcode_to_atset3_len)
keycode = qemu_input_map_qcode_to_atset3[qcode];
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
if (keycode) {
/* FIXME: break code should be configured on a key by key basis */
if (!key->down) {
ps2_put_keycode(s, 0xf0);
}
ps2_put_keycode(s, keycode);
} else {
qemu_log_mask(LOG_UNIMP,
"ps2: ignoring key with qcode %d\n", qcode);
ps2: use QEMU qcodes instead of scancodes This fixes problems with translated set 1, where most make code were wrong. This fixes problems with set 3 for extended keys (like arrows) and lot of other keys. Added a FIXME for set 3, where most keys must not (by default) deliver a break code. Detailed list of changes on untranslated set 2: - change of ALTGR break code from 0xe4 to 0xf0 0x08 - change of ALTGR_R break code from 0xe0 0xe4 to 0xe0 0xf0 0x08 - change of F7 make code from 0x02 to 0x83 - change of F7 break code from 0xf0 0x02 to 0xf0 0x83 - change of PRINT make code from 0xe0 0x7c to 0xe0 0x12 0xe0 0x7c - change of PRINT break code from 0xe0 0xf0 0x7c to 0xe0 0xf0 0x7c 0xe0 0xf0 0x12 - change of PAUSE key: new make code = old make code + old break code, no more break code - change on RO break code from 0xf3 to 0xf0 0x51 - change on KP_COMMA break code from 0xfe to 0xf0 0x6d Detailed list of changes on translated set 2 (the most commonly used): - change of PRINT make code from 0xe0 0x37 to 0xe0 0x2a 0xe0 0x37 - change of PRINT break code from 0xe0 0xb7 to 0xe0 0xb7 0xe0 0xaa - change of PAUSE key: new make code = old make code + old break code, no more break code Reference: http://www.computer-engineering.org/ps2keyboard/scancodes1.html http://www.computer-engineering.org/ps2keyboard/scancodes2.html http://www.computer-engineering.org/ps2keyboard/scancodes3.html Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Message-id: 1473969987-5890-5-git-send-email-hpoussin@reactos.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-09-15 22:06:26 +02:00
}
}
}
uint32_t ps2_read_data(PS2State *s)
{
PS2Queue *q;
int val, index;
trace_ps2_read_data(s);
q = &s->queue;
if (q->count == 0) {
/* NOTE: if no data left, we return the last keyboard one
(needed for EMM386) */
/* XXX: need a timer to do things correctly */
index = q->rptr - 1;
if (index < 0)
index = PS2_QUEUE_SIZE - 1;
val = q->data[index];
} else {
val = q->data[q->rptr];
if (++q->rptr == PS2_QUEUE_SIZE)
q->rptr = 0;
q->count--;
/* reading deasserts IRQ */
s->update_irq(s->update_arg, 0);
/* reassert IRQs if data left */
s->update_irq(s->update_arg, q->count != 0);
}
return val;
}
static void ps2_set_ledstate(PS2KbdState *s, int ledstate)
{
trace_ps2_set_ledstate(s, ledstate);
s->ledstate = ledstate;
kbd_put_ledstate(ledstate);
}
static void ps2_reset_keyboard(PS2KbdState *s)
{
trace_ps2_reset_keyboard(s);
s->scan_enabled = 1;
s->scancode_set = 2;
ps2_reset_queue(&s->common);
ps2_set_ledstate(s, 0);
}
void ps2_write_keyboard(void *opaque, int val)
{
PS2KbdState *s = (PS2KbdState *)opaque;
trace_ps2_write_keyboard(opaque, val);
switch(s->common.write_cmd) {
default:
case -1:
switch(val) {
case 0x00:
ps2_queue(&s->common, KBD_REPLY_ACK);
break;
case 0x05:
ps2_queue(&s->common, KBD_REPLY_RESEND);
break;
case KBD_CMD_GET_ID:
/* We emulate a MF2 AT keyboard here */
if (s->translate)
ps2_queue_3(&s->common,
KBD_REPLY_ACK,
KBD_REPLY_ID,
0x41);
else
ps2_queue_3(&s->common,
KBD_REPLY_ACK,
KBD_REPLY_ID,
0x83);
break;
case KBD_CMD_ECHO:
ps2_queue(&s->common, KBD_CMD_ECHO);
break;
case KBD_CMD_ENABLE:
s->scan_enabled = 1;
ps2_queue(&s->common, KBD_REPLY_ACK);
break;
case KBD_CMD_SCANCODE:
case KBD_CMD_SET_LEDS:
case KBD_CMD_SET_RATE:
s->common.write_cmd = val;
ps2_queue(&s->common, KBD_REPLY_ACK);
break;
case KBD_CMD_RESET_DISABLE:
ps2_reset_keyboard(s);
s->scan_enabled = 0;
ps2_queue(&s->common, KBD_REPLY_ACK);
break;
case KBD_CMD_RESET_ENABLE:
ps2_reset_keyboard(s);
s->scan_enabled = 1;
ps2_queue(&s->common, KBD_REPLY_ACK);
break;
case KBD_CMD_RESET:
ps2_reset_keyboard(s);
ps2_queue_2(&s->common,
KBD_REPLY_ACK,
KBD_REPLY_POR);
break;
default:
ps2_queue(&s->common, KBD_REPLY_RESEND);
break;
}
break;
case KBD_CMD_SCANCODE:
if (val == 0) {
if (s->common.queue.count <= PS2_QUEUE_SIZE - 2) {
ps2_queue(&s->common, KBD_REPLY_ACK);
ps2_put_keycode(s, s->scancode_set);
}
} else if (val >= 1 && val <= 3) {
s->scancode_set = val;
ps2_queue(&s->common, KBD_REPLY_ACK);
} else {
ps2_queue(&s->common, KBD_REPLY_RESEND);
}
s->common.write_cmd = -1;
break;
case KBD_CMD_SET_LEDS:
ps2_set_ledstate(s, val);
ps2_queue(&s->common, KBD_REPLY_ACK);
s->common.write_cmd = -1;
break;
case KBD_CMD_SET_RATE:
ps2_queue(&s->common, KBD_REPLY_ACK);
s->common.write_cmd = -1;
break;
}
}
/* Set the scancode translation mode.
0 = raw scancodes.
1 = translated scancodes (used by qemu internally). */
void ps2_keyboard_set_translation(void *opaque, int mode)
{
PS2KbdState *s = (PS2KbdState *)opaque;
trace_ps2_keyboard_set_translation(opaque, mode);
s->translate = mode;
}
static int ps2_mouse_send_packet(PS2MouseState *s)
{
const int needed = 3 + (s->mouse_type - 2);
unsigned int b;
int dx1, dy1, dz1;
if (PS2_QUEUE_SIZE - s->common.queue.count < needed) {
return 0;
}
dx1 = s->mouse_dx;
dy1 = s->mouse_dy;
dz1 = s->mouse_dz;
/* XXX: increase range to 8 bits ? */
if (dx1 > 127)
dx1 = 127;
else if (dx1 < -127)
dx1 = -127;
if (dy1 > 127)
dy1 = 127;
else if (dy1 < -127)
dy1 = -127;
b = 0x08 | ((dx1 < 0) << 4) | ((dy1 < 0) << 5) | (s->mouse_buttons & 0x07);
ps2_queue_noirq(&s->common, b);
ps2_queue_noirq(&s->common, dx1 & 0xff);
ps2_queue_noirq(&s->common, dy1 & 0xff);
/* extra byte for IMPS/2 or IMEX */
switch(s->mouse_type) {
default:
break;
case 3:
if (dz1 > 127)
dz1 = 127;
else if (dz1 < -127)
dz1 = -127;
ps2_queue_noirq(&s->common, dz1 & 0xff);
break;
case 4:
if (dz1 > 7)
dz1 = 7;
else if (dz1 < -7)
dz1 = -7;
b = (dz1 & 0x0f) | ((s->mouse_buttons & 0x18) << 1);
ps2_queue_noirq(&s->common, b);
break;
}
ps2_raise_irq(&s->common);
trace_ps2_mouse_send_packet(s, dx1, dy1, dz1, b);
/* update deltas */
s->mouse_dx -= dx1;
s->mouse_dy -= dy1;
s->mouse_dz -= dz1;
return 1;
}
static void ps2_mouse_event(DeviceState *dev, QemuConsole *src,
InputEvent *evt)
{
static const int bmap[INPUT_BUTTON__MAX] = {
[INPUT_BUTTON_LEFT] = PS2_MOUSE_BUTTON_LEFT,
[INPUT_BUTTON_MIDDLE] = PS2_MOUSE_BUTTON_MIDDLE,
[INPUT_BUTTON_RIGHT] = PS2_MOUSE_BUTTON_RIGHT,
[INPUT_BUTTON_SIDE] = PS2_MOUSE_BUTTON_SIDE,
[INPUT_BUTTON_EXTRA] = PS2_MOUSE_BUTTON_EXTRA,
};
PS2MouseState *s = (PS2MouseState *)dev;
InputMoveEvent *move;
InputBtnEvent *btn;
/* check if deltas are recorded when disabled */
if (!(s->mouse_status & MOUSE_STATUS_ENABLED))
return;
switch (evt->type) {
case INPUT_EVENT_KIND_REL:
qapi: Don't special-case simple union wrappers Simple unions were carrying a special case that hid their 'data' QMP member from the resulting C struct, via the hack method QAPISchemaObjectTypeVariant.simple_union_type(). But by using the work we started by unboxing flat union and alternate branches, coupled with the ability to visit the members of an implicit type, we can now expose the simple union's implicit type in qapi-types.h: | struct q_obj_ImageInfoSpecificQCow2_wrapper { | ImageInfoSpecificQCow2 *data; | }; | | struct q_obj_ImageInfoSpecificVmdk_wrapper { | ImageInfoSpecificVmdk *data; | }; ... | struct ImageInfoSpecific { | ImageInfoSpecificKind type; | union { /* union tag is @type */ | void *data; |- ImageInfoSpecificQCow2 *qcow2; |- ImageInfoSpecificVmdk *vmdk; |+ q_obj_ImageInfoSpecificQCow2_wrapper qcow2; |+ q_obj_ImageInfoSpecificVmdk_wrapper vmdk; | } u; | }; Doing this removes asymmetry between QAPI's QMP side and its C side (both sides now expose 'data'), and means that the treatment of a simple union as sugar for a flat union is now equivalent in both languages (previously the two approaches used a different layer of dereferencing, where the simple union could be converted to a flat union with equivalent C layout but different {} on the wire, or to an equivalent QMP wire form but with different C representation). Using the implicit type also lets us get rid of the simple_union_type() hack. Of course, now all clients of simple unions have to adjust from using su->u.member to using su->u.member.data; while this touches a number of files in the tree, some earlier cleanup patches helped minimize the change to the initialization of a temporary variable rather than every single member access. The generated qapi-visit.c code is also affected by the layout change: |@@ -7393,10 +7393,10 @@ void visit_type_ImageInfoSpecific_member | } | switch (obj->type) { | case IMAGE_INFO_SPECIFIC_KIND_QCOW2: |- visit_type_ImageInfoSpecificQCow2(v, "data", &obj->u.qcow2, &err); |+ visit_type_q_obj_ImageInfoSpecificQCow2_wrapper_members(v, &obj->u.qcow2, &err); | break; | case IMAGE_INFO_SPECIFIC_KIND_VMDK: |- visit_type_ImageInfoSpecificVmdk(v, "data", &obj->u.vmdk, &err); |+ visit_type_q_obj_ImageInfoSpecificVmdk_wrapper_members(v, &obj->u.vmdk, &err); | break; | default: | abort(); Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1458254921-17042-13-git-send-email-eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-03-17 23:48:37 +01:00
move = evt->u.rel.data;
if (move->axis == INPUT_AXIS_X) {
s->mouse_dx += move->value;
} else if (move->axis == INPUT_AXIS_Y) {
s->mouse_dy -= move->value;
}
break;
case INPUT_EVENT_KIND_BTN:
qapi: Don't special-case simple union wrappers Simple unions were carrying a special case that hid their 'data' QMP member from the resulting C struct, via the hack method QAPISchemaObjectTypeVariant.simple_union_type(). But by using the work we started by unboxing flat union and alternate branches, coupled with the ability to visit the members of an implicit type, we can now expose the simple union's implicit type in qapi-types.h: | struct q_obj_ImageInfoSpecificQCow2_wrapper { | ImageInfoSpecificQCow2 *data; | }; | | struct q_obj_ImageInfoSpecificVmdk_wrapper { | ImageInfoSpecificVmdk *data; | }; ... | struct ImageInfoSpecific { | ImageInfoSpecificKind type; | union { /* union tag is @type */ | void *data; |- ImageInfoSpecificQCow2 *qcow2; |- ImageInfoSpecificVmdk *vmdk; |+ q_obj_ImageInfoSpecificQCow2_wrapper qcow2; |+ q_obj_ImageInfoSpecificVmdk_wrapper vmdk; | } u; | }; Doing this removes asymmetry between QAPI's QMP side and its C side (both sides now expose 'data'), and means that the treatment of a simple union as sugar for a flat union is now equivalent in both languages (previously the two approaches used a different layer of dereferencing, where the simple union could be converted to a flat union with equivalent C layout but different {} on the wire, or to an equivalent QMP wire form but with different C representation). Using the implicit type also lets us get rid of the simple_union_type() hack. Of course, now all clients of simple unions have to adjust from using su->u.member to using su->u.member.data; while this touches a number of files in the tree, some earlier cleanup patches helped minimize the change to the initialization of a temporary variable rather than every single member access. The generated qapi-visit.c code is also affected by the layout change: |@@ -7393,10 +7393,10 @@ void visit_type_ImageInfoSpecific_member | } | switch (obj->type) { | case IMAGE_INFO_SPECIFIC_KIND_QCOW2: |- visit_type_ImageInfoSpecificQCow2(v, "data", &obj->u.qcow2, &err); |+ visit_type_q_obj_ImageInfoSpecificQCow2_wrapper_members(v, &obj->u.qcow2, &err); | break; | case IMAGE_INFO_SPECIFIC_KIND_VMDK: |- visit_type_ImageInfoSpecificVmdk(v, "data", &obj->u.vmdk, &err); |+ visit_type_q_obj_ImageInfoSpecificVmdk_wrapper_members(v, &obj->u.vmdk, &err); | break; | default: | abort(); Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1458254921-17042-13-git-send-email-eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-03-17 23:48:37 +01:00
btn = evt->u.btn.data;
if (btn->down) {
s->mouse_buttons |= bmap[btn->button];
if (btn->button == INPUT_BUTTON_WHEEL_UP) {
s->mouse_dz--;
} else if (btn->button == INPUT_BUTTON_WHEEL_DOWN) {
s->mouse_dz++;
}
} else {
s->mouse_buttons &= ~bmap[btn->button];
}
break;
default:
/* keep gcc happy */
break;
}
}
static void ps2_mouse_sync(DeviceState *dev)
{
PS2MouseState *s = (PS2MouseState *)dev;
/* do not sync while disabled to prevent stream corruption */
if (!(s->mouse_status & MOUSE_STATUS_ENABLED)) {
return;
}
if (s->mouse_buttons) {
qmp hmp: Make system_wakeup check wake-up support and run state The qmp/hmp command 'system_wakeup' is simply a direct call to 'qemu_system_wakeup_request' from vl.c. This function verifies if runstate is SUSPENDED and if the wake up reason is valid before proceeding. However, no error or warning is thrown if any of those pre-requirements isn't met. There is no way for the caller to differentiate between a successful wakeup or an error state caused when trying to wake up a guest that wasn't suspended. This means that system_wakeup is silently failing, which can be considered a bug. Adding error handling isn't an API break in this case - applications that didn't check the result will remain broken, the ones that check it will have a chance to deal with it. Adding to that, the commit before previous created a new QMP API called query-current-machine, with a new flag called wakeup-suspend-support, that indicates if the guest has the capability of waking up from suspended state. Although such guest will never reach SUSPENDED state and erroring it out in this scenario would suffice, it is more informative for the user to differentiate between a failure because the guest isn't suspended versus a failure because the guest does not have support for wake up at all. All this considered, this patch changes qmp_system_wakeup to check if the guest is capable of waking up from suspend, and if it is suspended. After this patch, this is the output of system_wakeup in a guest that does not have wake-up from suspend support (ppc64): (qemu) system_wakeup wake-up from suspend is not supported by this guest (qemu) And this is the output of system_wakeup in a x86 guest that has the support but isn't suspended: (qemu) system_wakeup Unable to wake up: guest is not in suspended state (qemu) Reported-by: Balamuruhan S <bala24@linux.vnet.ibm.com> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20181205194701.17836-4-danielhb413@gmail.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Acked-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2018-12-05 20:47:01 +01:00
qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, NULL);
}
if (!(s->mouse_status & MOUSE_STATUS_REMOTE)) {
/* if not remote, send event. Multiple events are sent if
too big deltas */
while (ps2_mouse_send_packet(s)) {
if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0)
break;
}
}
}
void ps2_mouse_fake_event(void *opaque)
{
PS2MouseState *s = opaque;
trace_ps2_mouse_fake_event(opaque);
s->mouse_dx++;
ps2_mouse_sync(opaque);
}
void ps2_write_mouse(void *opaque, int val)
{
PS2MouseState *s = (PS2MouseState *)opaque;
trace_ps2_write_mouse(opaque, val);
#ifdef DEBUG_MOUSE
printf("kbd: write mouse 0x%02x\n", val);
#endif
switch(s->common.write_cmd) {
default:
case -1:
/* mouse command */
if (s->mouse_wrap) {
if (val == AUX_RESET_WRAP) {
s->mouse_wrap = 0;
ps2_queue(&s->common, AUX_ACK);
return;
} else if (val != AUX_RESET) {
ps2_queue(&s->common, val);
return;
}
}
switch(val) {
case AUX_SET_SCALE11:
s->mouse_status &= ~MOUSE_STATUS_SCALE21;
ps2_queue(&s->common, AUX_ACK);
break;
case AUX_SET_SCALE21:
s->mouse_status |= MOUSE_STATUS_SCALE21;
ps2_queue(&s->common, AUX_ACK);
break;
case AUX_SET_STREAM:
s->mouse_status &= ~MOUSE_STATUS_REMOTE;
ps2_queue(&s->common, AUX_ACK);
break;
case AUX_SET_WRAP:
s->mouse_wrap = 1;
ps2_queue(&s->common, AUX_ACK);
break;
case AUX_SET_REMOTE:
s->mouse_status |= MOUSE_STATUS_REMOTE;
ps2_queue(&s->common, AUX_ACK);
break;
case AUX_GET_TYPE:
ps2_queue_2(&s->common,
AUX_ACK,
s->mouse_type);
break;
case AUX_SET_RES:
case AUX_SET_SAMPLE:
s->common.write_cmd = val;
ps2_queue(&s->common, AUX_ACK);
break;
case AUX_GET_SCALE:
ps2_queue_4(&s->common,
AUX_ACK,
s->mouse_status,
s->mouse_resolution,
s->mouse_sample_rate);
break;
case AUX_POLL:
ps2_queue(&s->common, AUX_ACK);
ps2_mouse_send_packet(s);
break;
case AUX_ENABLE_DEV:
s->mouse_status |= MOUSE_STATUS_ENABLED;
ps2_queue(&s->common, AUX_ACK);
break;
case AUX_DISABLE_DEV:
s->mouse_status &= ~MOUSE_STATUS_ENABLED;
ps2_queue(&s->common, AUX_ACK);
break;
case AUX_SET_DEFAULT:
s->mouse_sample_rate = 100;
s->mouse_resolution = 2;
s->mouse_status = 0;
ps2_queue(&s->common, AUX_ACK);
break;
case AUX_RESET:
s->mouse_sample_rate = 100;
s->mouse_resolution = 2;
s->mouse_status = 0;
s->mouse_type = 0;
ps2_reset_queue(&s->common);
ps2_queue_3(&s->common,
AUX_ACK,
0xaa,
s->mouse_type);
break;
default:
break;
}
break;
case AUX_SET_SAMPLE:
s->mouse_sample_rate = val;
/* detect IMPS/2 or IMEX */
switch(s->mouse_detect_state) {
default:
case 0:
if (val == 200)
s->mouse_detect_state = 1;
break;
case 1:
if (val == 100)
s->mouse_detect_state = 2;
else if (val == 200)
s->mouse_detect_state = 3;
else
s->mouse_detect_state = 0;
break;
case 2:
if (val == 80)
s->mouse_type = 3; /* IMPS/2 */
s->mouse_detect_state = 0;
break;
case 3:
if (val == 80)
s->mouse_type = 4; /* IMEX */
s->mouse_detect_state = 0;
break;
}
ps2_queue(&s->common, AUX_ACK);
s->common.write_cmd = -1;
break;
case AUX_SET_RES:
s->mouse_resolution = val;
ps2_queue(&s->common, AUX_ACK);
s->common.write_cmd = -1;
break;
}
}
static void ps2_common_reset(PS2State *s)
{
s->write_cmd = -1;
ps2_reset_queue(s);
s->update_irq(s->update_arg, 0);
}
static void ps2_common_post_load(PS2State *s)
{
PS2Queue *q = &s->queue;
uint8_t i, size;
uint8_t tmp_data[PS2_QUEUE_SIZE];
/* set the useful data buffer queue size, < PS2_QUEUE_SIZE */
size = q->count;
if (q->count < 0) {
size = 0;
} else if (q->count > PS2_QUEUE_SIZE) {
size = PS2_QUEUE_SIZE;
}
/* move the queue elements to the start of data array */
for (i = 0; i < size; i++) {
if (q->rptr < 0 || q->rptr >= sizeof(q->data)) {
q->rptr = 0;
}
tmp_data[i] = q->data[q->rptr++];
}
memcpy(q->data, tmp_data, size);
/* reset rptr/wptr/count */
q->rptr = 0;
q->wptr = (size == PS2_QUEUE_SIZE) ? 0 : size;
q->count = size;
}
static void ps2_kbd_reset(void *opaque)
{
PS2KbdState *s = (PS2KbdState *) opaque;
trace_ps2_kbd_reset(opaque);
ps2_common_reset(&s->common);
s->scan_enabled = 1;
s->translate = 0;
s->scancode_set = 2;
ps2: fix scancodes sent for Alt-Print key combination (aka SysRq) The 'Print' key is special in the AT set 1 / set 2 scancode definitions. An unmodified 'Print' key is supposed to send AT Set 1: e0 2a e0 37 (Down) e0 b7 e0 aa (Up) AT Set 2: e0 12 e0 7c (Down) e0 f0 7c e0 f0 12 (Up) which QEMU gets right. When pressed in combination with the 'Alt_L' or 'Alt_R' keys (which signify SysRq), the scancodes are required to follow a different scheme. With Alt_L, the expected sequences are AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) And with Alt_R AT set 1: e0 38, 54 (Down) d4, e0 b8 (Up) AT set 2: e0 11, 84 (Down) f0 84, f0 e0 11 (Up) It is actually slightly more complicated than that, because (according results of 'showkey -s', keyboards will in fact first release the currently pressed modifier before sending the sequence above (which effectively re-presses & then releases the modifier) and finally re-press the original modifier afterwards. IOW, with Alt_L we need to send AT set 1: b8, 38, 54 (Down) d4, b8, 38 (Up) AT set 2: f0 11, 11, 84 (Down) f0 84, f0 11, 11 (Up) And with Alt_R AT set 1: e0 b8, e0 38, 54 (Down) d4, e0 b8, e0 38 (Up) AT set 2: e0 f0 11, e0 11, 84 (Down) f0 84, e0 f0 11, e0 11 (Up) The AT set 3 scancodes have no special handling for Alt-Print. Rather than fixing the handling of the 'print' key in the ps2 driver to consider the Alt modifiers, way back, a patch was commited that defined an extra 'sysrq' key name: commit f2289cb6924afc97b2a75d21bfc9217024d11741 Author: balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Wed Jun 4 10:14:16 2008 +0000 Add sysrq to key names known by "sendkey". Adding sysrq keycode to the table enabling running sysrq debugging in the guest via the monitor sendkey command, like: (qemu) sendkey alt-sysrq-t Tested on x86-64 target and Linux guest. Signed-off-by: Ryan Harper <ryanh@us.ibm.com> With this patch QEMU would send AT set 1: 38, 54 (Down) d4, b8 (Up) AT set 2: 11, 84 (Down) f0 84, f0 11 (Up) but this doesn't match what actual real keyboards send, as it is not releasing the original modifier & pressing it again afterwards. In addition the original problem remains, and a new problem was added: - The sequence 'alt-print-t' is still broken, acting as if 'print-t' was requested - The sequence 'sysrq-t' is broken, injecting an undefine scancode sequence tot he guest os (bare 0x54) To deal with this mess we make these changes to the ps2 code, so that we track the state of modifier keys (Alt, Shift, Ctrl - both left & right). Then we can vary what scancodes are sent for Q_KEY_CODE_PRINT according to the Alt key modifier state Interestingly, it appears that of operating systems I've checked (Linux, FreeBSD and OpenSolaris), none of them actually bother to validate the full sequences for a unmodified 'Print' key. They all just ignore the leading "e0 2a" and trigger based off "e0 37" alone. The latter two byte sequence is what keyboards send with 'Print' is combined with 'Shift' or 'Ctrl' modifiers. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20171019142848.572-5-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-10-19 16:28:43 +02:00
s->modifiers = 0;
}
static void ps2_mouse_reset(void *opaque)
{
PS2MouseState *s = (PS2MouseState *) opaque;
trace_ps2_mouse_reset(opaque);
ps2_common_reset(&s->common);
s->mouse_status = 0;
s->mouse_resolution = 0;
s->mouse_sample_rate = 0;
s->mouse_wrap = 0;
s->mouse_type = 0;
s->mouse_detect_state = 0;
s->mouse_dx = 0;
s->mouse_dy = 0;
s->mouse_dz = 0;
s->mouse_buttons = 0;
}
static const VMStateDescription vmstate_ps2_common = {
.name = "PS2 Common State",
.version_id = 3,
.minimum_version_id = 2,
.fields = (VMStateField[]) {
VMSTATE_INT32(write_cmd, PS2State),
VMSTATE_INT32(queue.rptr, PS2State),
VMSTATE_INT32(queue.wptr, PS2State),
VMSTATE_INT32(queue.count, PS2State),
VMSTATE_BUFFER(queue.data, PS2State),
VMSTATE_END_OF_LIST()
}
};
static bool ps2_keyboard_ledstate_needed(void *opaque)
{
PS2KbdState *s = opaque;
return s->ledstate != 0; /* 0 is default state */
}
static int ps2_kbd_ledstate_post_load(void *opaque, int version_id)
{
PS2KbdState *s = opaque;
kbd_put_ledstate(s->ledstate);
return 0;
}
static const VMStateDescription vmstate_ps2_keyboard_ledstate = {
.name = "ps2kbd/ledstate",
.version_id = 3,
.minimum_version_id = 2,
.post_load = ps2_kbd_ledstate_post_load,
.needed = ps2_keyboard_ledstate_needed,
.fields = (VMStateField[]) {
VMSTATE_INT32(ledstate, PS2KbdState),
VMSTATE_END_OF_LIST()
}
};
static bool ps2_keyboard_need_high_bit_needed(void *opaque)
{
PS2KbdState *s = opaque;
return s->need_high_bit != 0; /* 0 is the usual state */
}
static const VMStateDescription vmstate_ps2_keyboard_need_high_bit = {
.name = "ps2kbd/need_high_bit",
.version_id = 1,
.minimum_version_id = 1,
.needed = ps2_keyboard_need_high_bit_needed,
.fields = (VMStateField[]) {
VMSTATE_BOOL(need_high_bit, PS2KbdState),
VMSTATE_END_OF_LIST()
}
};
static int ps2_kbd_post_load(void* opaque, int version_id)
{
PS2KbdState *s = (PS2KbdState*)opaque;
PS2State *ps2 = &s->common;
if (version_id == 2)
s->scancode_set=2;
ps2_common_post_load(ps2);
return 0;
}
static int ps2_kbd_pre_save(void *opaque)
{
PS2KbdState *s = (PS2KbdState *)opaque;
PS2State *ps2 = &s->common;
ps2_common_post_load(ps2);
return 0;
}
static const VMStateDescription vmstate_ps2_keyboard = {
.name = "ps2kbd",
.version_id = 3,
.minimum_version_id = 2,
.post_load = ps2_kbd_post_load,
.pre_save = ps2_kbd_pre_save,
.fields = (VMStateField[]) {
VMSTATE_STRUCT(common, PS2KbdState, 0, vmstate_ps2_common, PS2State),
VMSTATE_INT32(scan_enabled, PS2KbdState),
VMSTATE_INT32(translate, PS2KbdState),
VMSTATE_INT32_V(scancode_set, PS2KbdState,3),
VMSTATE_END_OF_LIST()
},
.subsections = (const VMStateDescription*[]) {
&vmstate_ps2_keyboard_ledstate,
&vmstate_ps2_keyboard_need_high_bit,
NULL
}
};
static int ps2_mouse_post_load(void *opaque, int version_id)
{
PS2MouseState *s = (PS2MouseState *)opaque;
PS2State *ps2 = &s->common;
ps2_common_post_load(ps2);
return 0;
}
static int ps2_mouse_pre_save(void *opaque)
{
PS2MouseState *s = (PS2MouseState *)opaque;
PS2State *ps2 = &s->common;
ps2_common_post_load(ps2);
return 0;
}
static const VMStateDescription vmstate_ps2_mouse = {
.name = "ps2mouse",
.version_id = 2,
.minimum_version_id = 2,
.post_load = ps2_mouse_post_load,
.pre_save = ps2_mouse_pre_save,
.fields = (VMStateField[]) {
VMSTATE_STRUCT(common, PS2MouseState, 0, vmstate_ps2_common, PS2State),
VMSTATE_UINT8(mouse_status, PS2MouseState),
VMSTATE_UINT8(mouse_resolution, PS2MouseState),
VMSTATE_UINT8(mouse_sample_rate, PS2MouseState),
VMSTATE_UINT8(mouse_wrap, PS2MouseState),
VMSTATE_UINT8(mouse_type, PS2MouseState),
VMSTATE_UINT8(mouse_detect_state, PS2MouseState),
VMSTATE_INT32(mouse_dx, PS2MouseState),
VMSTATE_INT32(mouse_dy, PS2MouseState),
VMSTATE_INT32(mouse_dz, PS2MouseState),
VMSTATE_UINT8(mouse_buttons, PS2MouseState),
VMSTATE_END_OF_LIST()
}
};
static QemuInputHandler ps2_keyboard_handler = {
.name = "QEMU PS/2 Keyboard",
.mask = INPUT_EVENT_MASK_KEY,
.event = ps2_keyboard_event,
};
void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg)
{
PS2KbdState *s = (PS2KbdState *)g_malloc0(sizeof(PS2KbdState));
trace_ps2_kbd_init(s);
s->common.update_irq = update_irq;
s->common.update_arg = update_arg;
s->scancode_set = 2;
vmstate_register(NULL, 0, &vmstate_ps2_keyboard, s);
qemu_input_handler_register((DeviceState *)s,
&ps2_keyboard_handler);
qemu_register_reset(ps2_kbd_reset, s);
return s;
}
static QemuInputHandler ps2_mouse_handler = {
.name = "QEMU PS/2 Mouse",
.mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_REL,
.event = ps2_mouse_event,
.sync = ps2_mouse_sync,
};
void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg)
{
PS2MouseState *s = (PS2MouseState *)g_malloc0(sizeof(PS2MouseState));
trace_ps2_mouse_init(s);
s->common.update_irq = update_irq;
s->common.update_arg = update_arg;
vmstate_register(NULL, 0, &vmstate_ps2_mouse, s);
qemu_input_handler_register((DeviceState *)s,
&ps2_mouse_handler);
qemu_register_reset(ps2_mouse_reset, s);
return s;
}