/* $Id: DevPS2.cpp 44528 2013-02-04 14:27:54Z vboxsync $ */ /** @file * DevPS2 - PS/2 keyboard & mouse controller device. */ /* * Copyright (C) 2006-2012 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * -------------------------------------------------------------------- * * This code is based on: * * QEMU PC keyboard emulation (revision 1.12) * * 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. * */ /******************************************************************************* * Header Files * *******************************************************************************/ #define LOG_GROUP LOG_GROUP_DEV_KBD #include "vl_vbox.h" #include #include #include #include "VBoxDD.h" #include "PS2Dev.h" #define PCKBD_SAVED_STATE_VERSION 6 #ifndef VBOX_DEVICE_STRUCT_TESTCASE /******************************************************************************* * Internal Functions * *******************************************************************************/ RT_C_DECLS_BEGIN PDMBOTHCBDECL(int) kbdIOPortDataRead(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *pu32, unsigned cb); PDMBOTHCBDECL(int) kbdIOPortDataWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb); PDMBOTHCBDECL(int) kbdIOPortStatusRead(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *pu32, unsigned cb); PDMBOTHCBDECL(int) kbdIOPortCommandWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb); RT_C_DECLS_END #endif /* !VBOX_DEVICE_STRUCT_TESTCASE */ /* debug PC keyboard */ #define DEBUG_KBD /* debug PC keyboard : only mouse */ #define DEBUG_MOUSE /* Keyboard Controller Commands */ #define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */ #define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */ #define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */ #define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */ #define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */ #define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */ #define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */ #define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */ #define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */ #define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */ #define KBD_CCMD_READ_INPORT 0xC0 /* read input port */ #define KBD_CCMD_READ_OUTPORT 0xD0 /* read output port */ #define KBD_CCMD_WRITE_OUTPORT 0xD1 /* write output port */ #define KBD_CCMD_WRITE_OBUF 0xD2 #define KBD_CCMD_WRITE_AUX_OBUF 0xD3 /* Write to output buffer as if initiated by the auxiliary device */ #define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */ #define KBD_CCMD_DISABLE_A20 0xDD /* HP vectra only ? */ #define KBD_CCMD_ENABLE_A20 0xDF /* HP vectra only ? */ #define KBD_CCMD_READ_TSTINP 0xE0 /* Read test inputs T0, T1 */ #define KBD_CCMD_RESET 0xFE /* Status Register Bits */ #define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */ #define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */ #define KBD_STAT_SELFTEST 0x04 /* Self test successful */ #define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */ #define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */ #define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */ #define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */ #define KBD_STAT_PERR 0x80 /* Parity error */ /* Controller Mode Register Bits */ #define KBD_MODE_KBD_INT 0x01 /* Keyboard data generate IRQ1 */ #define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */ #define KBD_MODE_SYS 0x04 /* The system flag (?) */ #define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */ #define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */ #define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */ #define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */ #define KBD_MODE_RFU 0x80 /* 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 AUX_NACK 0xFE /* Command byte NACK. */ #define MOUSE_STATUS_REMOTE 0x40 #define MOUSE_STATUS_ENABLED 0x20 #define MOUSE_STATUS_SCALE21 0x10 /** Supported mouse protocols */ enum { MOUSE_PROT_PS2 = 0, MOUSE_PROT_IMPS2 = 3, MOUSE_PROT_IMEX = 4 }; /** @name Mouse flags */ /** @{ */ /** IMEX horizontal scroll-wheel mode is active */ # define MOUSE_REPORT_HORIZONTAL 0x01 /** @} */ #define MOUSE_CMD_QUEUE_SIZE 8 typedef struct { uint8_t data[MOUSE_CMD_QUEUE_SIZE]; int rptr, wptr, count; } MouseCmdQueue; #define MOUSE_EVENT_QUEUE_SIZE 256 typedef struct { uint8_t data[MOUSE_EVENT_QUEUE_SIZE]; int rptr, wptr, count; } MouseEventQueue; typedef struct KBDState { MouseCmdQueue mouse_command_queue; MouseEventQueue mouse_event_queue; uint8_t write_cmd; /* if non zero, write data to port 60 is expected */ uint8_t status; uint8_t mode; uint8_t dbbout; /* data buffer byte */ /* keyboard state */ int32_t translate; int32_t xlat_state; /* mouse state */ int32_t mouse_write_cmd; uint8_t mouse_status; uint8_t mouse_resolution; uint8_t mouse_sample_rate; uint8_t mouse_wrap; uint8_t mouse_type; /* MOUSE_PROT_PS2, *_IMPS/2, *_IMEX */ uint8_t mouse_detect_state; int32_t mouse_dx; /* current values, needed for 'poll' mode */ int32_t mouse_dy; int32_t mouse_dz; int32_t mouse_dw; int32_t mouse_flags; uint8_t mouse_buttons; uint8_t mouse_buttons_reported; uint32_t Alignment0; /** Pointer to the device instance - RC. */ PPDMDEVINSRC pDevInsRC; /** Pointer to the device instance - R3 . */ PPDMDEVINSR3 pDevInsR3; /** Pointer to the device instance. */ PPDMDEVINSR0 pDevInsR0; /** Critical section protecting the state. */ PDMCRITSECT CritSect; /** Keyboard state (implemented in separate PS2K module). */ #ifdef VBOX_DEVICE_STRUCT_TESTCASE uint8_t KbdFiller[PS2K_STRUCT_FILLER]; #else PS2K Kbd; #endif /** * Mouse port - LUN#1. * * @implements PDMIBASE * @implements PDMIMOUSEPORT */ struct { /** The base interface for the mouse port. */ PDMIBASE IBase; /** The mouse port base interface. */ PDMIMOUSEPORT IPort; /** The base interface of the attached mouse driver. */ R3PTRTYPE(PPDMIBASE) pDrvBase; /** The mouse interface of the attached mouse driver. */ R3PTRTYPE(PPDMIMOUSECONNECTOR) pDrv; } Mouse; } KBDState; #ifndef VBOX_DEVICE_STRUCT_TESTCASE /* update irq and KBD_STAT_[MOUSE_]OBF */ static void kbd_update_irq(KBDState *s) { MouseCmdQueue *mcq = &s->mouse_command_queue; MouseEventQueue *meq = &s->mouse_event_queue; int irq12_level, irq1_level; uint8_t val; irq1_level = 0; irq12_level = 0; /* Determine new OBF state, but only if OBF is clear. If OBF was already * set, we cannot risk changing the event type after an ISR potentially * started executing! Only kbd_read_data() clears the OBF bits. */ if (!(s->status & KBD_STAT_OBF)) { s->status &= ~KBD_STAT_MOUSE_OBF; /* Keyboard data has priority if both kbd and aux data is available. */ if (!(s->mode & KBD_MODE_DISABLE_KBD) && PS2KByteFromKbd(&s->Kbd, &val) == VINF_SUCCESS) { bool fHaveData = true; /* If scancode translation is on (it usually is), there's more work to do. */ if (s->translate) { uint8_t xlated_val; s->xlat_state = XlateAT2PC(s->xlat_state, val, &xlated_val); val = xlated_val; /* If the translation state is XS_BREAK, there's nothing to report * and we keep going until the state changes or there's no more data. */ while (s->xlat_state == XS_BREAK && PS2KByteFromKbd(&s->Kbd, &val) == VINF_SUCCESS) { s->xlat_state = XlateAT2PC(s->xlat_state, val, &xlated_val); val = xlated_val; } /* This can happen if the last byte in the queue is F0... */ if (s->xlat_state == XS_BREAK) fHaveData = false; } if (fHaveData) { s->dbbout = val; s->status |= KBD_STAT_OBF; } } else if ((mcq->count || meq->count) && !(s->mode & KBD_MODE_DISABLE_MOUSE)) { s->status |= KBD_STAT_OBF | KBD_STAT_MOUSE_OBF; if (mcq->count) { s->dbbout = mcq->data[mcq->rptr]; if (++mcq->rptr == MOUSE_CMD_QUEUE_SIZE) mcq->rptr = 0; mcq->count--; } else { s->dbbout = meq->data[meq->rptr]; if (++meq->rptr == MOUSE_EVENT_QUEUE_SIZE) meq->rptr = 0; meq->count--; } } } /* Determine new IRQ state. */ if (s->status & KBD_STAT_OBF) { if (s->status & KBD_STAT_MOUSE_OBF) { if (s->mode & KBD_MODE_MOUSE_INT) irq12_level = 1; } else { /* KBD_STAT_OBF set but KBD_STAT_MOUSE_OBF isn't. */ if (s->mode & KBD_MODE_KBD_INT) irq1_level = 1; } } PDMDevHlpISASetIrq(s->CTX_SUFF(pDevIns), 1, irq1_level); PDMDevHlpISASetIrq(s->CTX_SUFF(pDevIns), 12, irq12_level); } void KBCUpdateInterrupts(void *pKbc) { KBDState *s = (KBDState *)pKbc; kbd_update_irq(s); } static void kbd_queue(KBDState *s, int b, int aux) { MouseCmdQueue *mcq = &s->mouse_command_queue; MouseEventQueue *meq = &s->mouse_event_queue; #if defined(DEBUG_MOUSE) || defined(DEBUG_KBD) if (aux == 1) LogRel3(("%s: mouse command response: 0x%02x\n", __PRETTY_FUNCTION__, b)); else if (aux == 2) LogRel3(("%s: mouse event data: 0x%02x\n", __PRETTY_FUNCTION__, b)); #ifdef DEBUG_KBD else LogRel3(("%s: kbd event: 0x%02x\n", __PRETTY_FUNCTION__, b)); #endif #endif switch (aux) { case 0: /* keyboard */ AssertMsgFailed(("kbd_queue() no longer supported for keyboard!\n")); break; case 1: /* mouse command response */ if (mcq->count >= MOUSE_CMD_QUEUE_SIZE) return; mcq->data[mcq->wptr] = b; if (++mcq->wptr == MOUSE_CMD_QUEUE_SIZE) mcq->wptr = 0; mcq->count++; break; case 2: /* mouse event data */ if (meq->count >= MOUSE_EVENT_QUEUE_SIZE) return; meq->data[meq->wptr] = b; if (++meq->wptr == MOUSE_EVENT_QUEUE_SIZE) meq->wptr = 0; meq->count++; break; default: AssertMsgFailed(("aux=%d\n", aux)); } kbd_update_irq(s); } static void kbc_dbb_out(void *opaque, uint8_t val) { KBDState *s = (KBDState*)opaque; s->dbbout = val; /* Set the OBF and raise IRQ. */ s->status |= KBD_STAT_OBF; if (s->mode & KBD_MODE_KBD_INT) PDMDevHlpISASetIrq(s->CTX_SUFF(pDevIns), 1, 1); } static uint32_t kbd_read_status(void *opaque, uint32_t addr) { KBDState *s = (KBDState*)opaque; int val = s->status; NOREF(addr); #if defined(DEBUG_KBD) Log(("kbd: read status=0x%02x\n", val)); #endif return val; } static int kbd_write_command(void *opaque, uint32_t addr, uint32_t val) { int rc = VINF_SUCCESS; KBDState *s = (KBDState*)opaque; NOREF(addr); #ifdef DEBUG_KBD Log(("kbd: write cmd=0x%02x\n", val)); #endif switch(val) { case KBD_CCMD_READ_MODE: kbc_dbb_out(s, s->mode); break; case KBD_CCMD_WRITE_MODE: case KBD_CCMD_WRITE_OBUF: case KBD_CCMD_WRITE_AUX_OBUF: case KBD_CCMD_WRITE_MOUSE: case KBD_CCMD_WRITE_OUTPORT: s->write_cmd = val; break; case KBD_CCMD_MOUSE_DISABLE: s->mode |= KBD_MODE_DISABLE_MOUSE; break; case KBD_CCMD_MOUSE_ENABLE: s->mode &= ~KBD_MODE_DISABLE_MOUSE; /* Check for queued input. */ kbd_update_irq(s); break; case KBD_CCMD_TEST_MOUSE: kbc_dbb_out(s, 0x00); break; case KBD_CCMD_SELF_TEST: /* Enable the A20 line - that is the power-on state(!). */ # ifndef IN_RING3 if (!PDMDevHlpA20IsEnabled(s->CTX_SUFF(pDevIns))) { rc = VINF_IOM_R3_IOPORT_WRITE; break; } # else /* IN_RING3 */ PDMDevHlpA20Set(s->CTX_SUFF(pDevIns), true); # endif /* IN_RING3 */ s->status |= KBD_STAT_SELFTEST; s->mode |= KBD_MODE_DISABLE_KBD; kbc_dbb_out(s, 0x55); break; case KBD_CCMD_KBD_TEST: kbc_dbb_out(s, 0x00); break; case KBD_CCMD_KBD_DISABLE: s->mode |= KBD_MODE_DISABLE_KBD; break; case KBD_CCMD_KBD_ENABLE: s->mode &= ~KBD_MODE_DISABLE_KBD; /* Check for queued input. */ kbd_update_irq(s); break; case KBD_CCMD_READ_INPORT: kbc_dbb_out(s, 0x00); break; case KBD_CCMD_READ_OUTPORT: /* XXX: check that */ #ifdef TARGET_I386 val = 0x01 | (PDMDevHlpA20IsEnabled(s->CTX_SUFF(pDevIns)) << 1); #else val = 0x01; #endif if (s->status & KBD_STAT_OBF) val |= 0x10; if (s->status & KBD_STAT_MOUSE_OBF) val |= 0x20; kbc_dbb_out(s, val); break; #ifdef TARGET_I386 case KBD_CCMD_ENABLE_A20: # ifndef IN_RING3 if (!PDMDevHlpA20IsEnabled(s->CTX_SUFF(pDevIns))) rc = VINF_IOM_R3_IOPORT_WRITE; # else /* IN_RING3 */ PDMDevHlpA20Set(s->CTX_SUFF(pDevIns), true); # endif /* IN_RING3 */ break; case KBD_CCMD_DISABLE_A20: # ifndef IN_RING3 if (PDMDevHlpA20IsEnabled(s->CTX_SUFF(pDevIns))) rc = VINF_IOM_R3_IOPORT_WRITE; # else /* IN_RING3 */ PDMDevHlpA20Set(s->CTX_SUFF(pDevIns), false); # endif /* !IN_RING3 */ break; #endif case KBD_CCMD_READ_TSTINP: /* Keyboard clock line is zero IFF keyboard is disabled */ val = (s->mode & KBD_MODE_DISABLE_KBD) ? 0 : 1; kbc_dbb_out(s, val); break; case KBD_CCMD_RESET: #ifndef IN_RING3 rc = VINF_IOM_R3_IOPORT_WRITE; #else /* IN_RING3 */ LogRel(("Reset initiated by keyboard controller\n")); rc = PDMDevHlpVMReset(s->CTX_SUFF(pDevIns)); #endif /* !IN_RING3 */ break; case 0xff: /* ignore that - I don't know what is its use */ break; /* Make OS/2 happy. */ /* The 8042 RAM is readable using commands 0x20 thru 0x3f, and writable by 0x60 thru 0x7f. Now days only the firs byte, the mode, is used. We'll ignore the writes (0x61..7f) and return 0 for all the reads just to make some OS/2 debug stuff a bit happier. */ case 0x21: case 0x22: case 0x23: case 0x24: case 0x25: case 0x26: case 0x27: case 0x28: case 0x29: case 0x2a: case 0x2b: case 0x2c: case 0x2d: case 0x2e: case 0x2f: case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: case 0x35: case 0x36: case 0x37: case 0x38: case 0x39: case 0x3a: case 0x3b: case 0x3c: case 0x3d: case 0x3e: case 0x3f: kbc_dbb_out(s, 0); Log(("kbd: reading non-standard RAM addr %#x\n", val & 0x1f)); break; default: Log(("kbd: unsupported keyboard cmd=0x%02x\n", val)); break; } return rc; } static uint32_t kbd_read_data(void *opaque, uint32_t addr) { KBDState *s = (KBDState*)opaque; uint32_t val; NOREF(addr); /* Return the current DBB contents. */ val = s->dbbout; /* Reading the DBB deasserts IRQs... */ if (s->status & KBD_STAT_MOUSE_OBF) PDMDevHlpISASetIrq(s->CTX_SUFF(pDevIns), 12, 0); else PDMDevHlpISASetIrq(s->CTX_SUFF(pDevIns), 1, 0); /* ...and clears the OBF bits. */ s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF); /* Check if more data is available. */ kbd_update_irq(s); #ifdef DEBUG_KBD Log(("kbd: read data=0x%02x\n", val)); #endif return val; } PS2K *GetPS2KFromDevIns(PPDMDEVINS pDevIns) { KBDState *pThis = PDMINS_2_DATA(pDevIns, KBDState *); return &pThis->Kbd; } static void kbd_mouse_set_reported_buttons(KBDState *s, unsigned fButtons, unsigned fButtonMask) { s->mouse_buttons_reported |= (fButtons & fButtonMask); s->mouse_buttons_reported &= (fButtons | ~fButtonMask); } /** * Send a single relative packet in 3-byte PS/2 format to the PS/2 controller. * @param s keyboard state object * @param dx relative X value, must be between -256 and +255 * @param dy relative y value, must be between -256 and +255 * @param fButtonsLow the state of the two first mouse buttons * @param fButtonsPacked the state of the upper three mouse buttons and * scroll wheel movement, packed as per the * MOUSE_EXT_* defines. For standard PS/2 packets * only pass the value of button 3 here. */ static void kbd_mouse_send_rel3_packet(KBDState *s, bool fToCmdQueue) { int aux = fToCmdQueue ? 1 : 2; int dx1 = s->mouse_dx < 0 ? RT_MAX(s->mouse_dx, -256) : RT_MIN(s->mouse_dx, 255); int dy1 = s->mouse_dy < 0 ? RT_MAX(s->mouse_dy, -256) : RT_MIN(s->mouse_dy, 255); unsigned int b; unsigned fButtonsLow = s->mouse_buttons & 0x07; s->mouse_dx -= dx1; s->mouse_dy -= dy1; kbd_mouse_set_reported_buttons(s, fButtonsLow, 0x07); LogRel3(("%s: dx1=%d, dy1=%d, fButtonsLow=0x%x\n", __PRETTY_FUNCTION__, dx1, dy1, fButtonsLow)); b = 0x08 | ((dx1 < 0 ? 1 : 0) << 4) | ((dy1 < 0 ? 1 : 0) << 5) | fButtonsLow; kbd_queue(s, b, aux); kbd_queue(s, dx1 & 0xff, aux); kbd_queue(s, dy1 & 0xff, aux); } static void kbd_mouse_send_imps2_byte4(KBDState *s, bool fToCmdQueue) { int aux = fToCmdQueue ? 1 : 2; int dz1 = s->mouse_dz < 0 ? RT_MAX(s->mouse_dz, -127) : RT_MIN(s->mouse_dz, 127); LogRel3(("%s: dz1=%d\n", __PRETTY_FUNCTION__, dz1)); s->mouse_dz -= dz1; kbd_queue(s, dz1 & 0xff, aux); } static void kbd_mouse_send_imex_byte4(KBDState *s, bool fToCmdQueue) { int aux = fToCmdQueue ? 1 : 2; int dz1 = 0, dw1 = 0; unsigned fButtonsHigh = s->mouse_buttons & 0x18; if (s->mouse_dw > 0) dw1 = 1; else if (s->mouse_dw < 0) dw1 = -1; else if (s->mouse_dz > 0) dz1 = 1; else if (s->mouse_dz < 0) dz1 = -1; if (s->mouse_dw && s->mouse_flags & MOUSE_REPORT_HORIZONTAL) { LogRel3(("%s: dw1=%d\n", __PRETTY_FUNCTION__, dw1)); kbd_queue(s, 0x40 | (dw1 & 0x3f), aux); } else { LogRel3(("%s: dz1=%d, dw1=%d, fButtonsHigh=0x%x\n", __PRETTY_FUNCTION__, dz1, dw1, fButtonsHigh)); unsigned u4Low = dw1 > 0 ? 9 /* -7 & 0xf */ : dw1 < 0 ? 7 : dz1 > 0 ? 1 : dz1 < 0 ? 0xf /* -1 & 0xf */ : 0; kbd_mouse_set_reported_buttons(s, fButtonsHigh, 0x18); kbd_queue(s, (fButtonsHigh << 1) | u4Low, aux); } s->mouse_dz -= dz1; s->mouse_dw -= dw1; } /** * Send a single relative packet in (IM)PS/2 or IMEX format to the PS/2 * controller. * @param s keyboard state object * @param fToCmdQueue should this packet go to the command queue (or the * event queue)? */ static void kbd_mouse_send_packet(KBDState *s, bool fToCmdQueue) { kbd_mouse_send_rel3_packet(s, fToCmdQueue); if (s->mouse_type == MOUSE_PROT_IMPS2) kbd_mouse_send_imps2_byte4(s, fToCmdQueue); if (s->mouse_type == MOUSE_PROT_IMEX) kbd_mouse_send_imex_byte4(s, fToCmdQueue); } #ifdef IN_RING3 static bool kbd_mouse_unreported(KBDState *s) { return s->mouse_dx || s->mouse_dy || s->mouse_dz || s->mouse_dw || s->mouse_buttons != s->mouse_buttons_reported; } static size_t kbd_mouse_event_queue_free(KBDState *s) { AssertReturn(s->mouse_event_queue.count <= MOUSE_EVENT_QUEUE_SIZE, 0); return MOUSE_EVENT_QUEUE_SIZE - s->mouse_event_queue.count; } static void pc_kbd_mouse_event(void *opaque, int dx, int dy, int dz, int dw, int buttons_state) { LogRel3(("%s: dx=%d, dy=%d, dz=%d, dw=%d, buttons_state=0x%x\n", __PRETTY_FUNCTION__, dx, dy, dz, dw, buttons_state)); KBDState *s = (KBDState*)opaque; /* check if deltas are recorded when disabled */ if (!(s->mouse_status & MOUSE_STATUS_ENABLED)) return; AssertReturnVoid((buttons_state & ~0x1f) == 0); s->mouse_dx += dx; s->mouse_dy -= dy; if ( (s->mouse_type == MOUSE_PROT_IMPS2) || (s->mouse_type == MOUSE_PROT_IMEX)) s->mouse_dz += dz; if (s->mouse_type == MOUSE_PROT_IMEX) s->mouse_dw += dw; s->mouse_buttons = buttons_state; if (!(s->mouse_status & MOUSE_STATUS_REMOTE)) /* if not remote, send event. Multiple events are sent if too big deltas */ while ( kbd_mouse_unreported(s) && kbd_mouse_event_queue_free(s) > 4) kbd_mouse_send_packet(s, false); } /* Report a change in status down the driver chain */ static void kbd_mouse_update_downstream_status(KBDState *pThis) { PPDMIMOUSECONNECTOR pDrv = pThis->Mouse.pDrv; bool fEnabled = !!(pThis->mouse_status & MOUSE_STATUS_ENABLED); pDrv->pfnReportModes(pDrv, fEnabled, false); } #endif /* IN_RING3 */ static int kbd_write_mouse(KBDState *s, int val) { #ifdef DEBUG_MOUSE LogRelFlowFunc(("kbd: write mouse 0x%02x\n", val)); #endif int rc = VINF_SUCCESS; /* Flush the mouse command response queue. */ s->mouse_command_queue.count = 0; s->mouse_command_queue.rptr = 0; s->mouse_command_queue.wptr = 0; switch(s->mouse_write_cmd) { default: case -1: /* mouse command */ if (s->mouse_wrap) { if (val == AUX_RESET_WRAP) { s->mouse_wrap = 0; kbd_queue(s, AUX_ACK, 1); return VINF_SUCCESS; } else if (val != AUX_RESET) { kbd_queue(s, val, 1); return VINF_SUCCESS; } } switch(val) { case AUX_SET_SCALE11: s->mouse_status &= ~MOUSE_STATUS_SCALE21; kbd_queue(s, AUX_ACK, 1); break; case AUX_SET_SCALE21: s->mouse_status |= MOUSE_STATUS_SCALE21; kbd_queue(s, AUX_ACK, 1); break; case AUX_SET_STREAM: s->mouse_status &= ~MOUSE_STATUS_REMOTE; kbd_queue(s, AUX_ACK, 1); break; case AUX_SET_WRAP: s->mouse_wrap = 1; kbd_queue(s, AUX_ACK, 1); break; case AUX_SET_REMOTE: s->mouse_status |= MOUSE_STATUS_REMOTE; kbd_queue(s, AUX_ACK, 1); break; case AUX_GET_TYPE: kbd_queue(s, AUX_ACK, 1); kbd_queue(s, s->mouse_type, 1); break; case AUX_SET_RES: case AUX_SET_SAMPLE: s->mouse_write_cmd = val; kbd_queue(s, AUX_ACK, 1); break; case AUX_GET_SCALE: kbd_queue(s, AUX_ACK, 1); kbd_queue(s, s->mouse_status, 1); kbd_queue(s, s->mouse_resolution, 1); kbd_queue(s, s->mouse_sample_rate, 1); break; case AUX_POLL: kbd_queue(s, AUX_ACK, 1); kbd_mouse_send_packet(s, true); break; case AUX_ENABLE_DEV: #ifdef IN_RING3 LogRelFlowFunc(("Enabling mouse device\n")); s->mouse_status |= MOUSE_STATUS_ENABLED; kbd_queue(s, AUX_ACK, 1); kbd_mouse_update_downstream_status(s); #else LogRelFlowFunc(("Enabling mouse device, R0 stub\n")); rc = VINF_IOM_R3_IOPORT_WRITE; #endif break; case AUX_DISABLE_DEV: #ifdef IN_RING3 s->mouse_status &= ~MOUSE_STATUS_ENABLED; kbd_queue(s, AUX_ACK, 1); /* Flush the mouse events queue. */ s->mouse_event_queue.count = 0; s->mouse_event_queue.rptr = 0; s->mouse_event_queue.wptr = 0; kbd_mouse_update_downstream_status(s); #else rc = VINF_IOM_R3_IOPORT_WRITE; #endif break; case AUX_SET_DEFAULT: #ifdef IN_RING3 s->mouse_sample_rate = 100; s->mouse_resolution = 2; s->mouse_status = 0; kbd_queue(s, AUX_ACK, 1); kbd_mouse_update_downstream_status(s); #else rc = VINF_IOM_R3_IOPORT_WRITE; #endif break; case AUX_RESET: #ifdef IN_RING3 s->mouse_sample_rate = 100; s->mouse_resolution = 2; s->mouse_status = 0; s->mouse_type = MOUSE_PROT_PS2; kbd_queue(s, AUX_ACK, 1); kbd_queue(s, 0xaa, 1); kbd_queue(s, s->mouse_type, 1); /* Flush the mouse events queue. */ s->mouse_event_queue.count = 0; s->mouse_event_queue.rptr = 0; s->mouse_event_queue.wptr = 0; kbd_mouse_update_downstream_status(s); #else rc = VINF_IOM_R3_IOPORT_WRITE; #endif break; default: /* NACK all commands we don't know. The usecase for this is the OS/2 mouse driver which will try read 0xE2 in order to figure out if it's a trackpoint device or not. If it doesn't get a NACK (or ACK) on the command it'll do several hundred thousand status reads before giving up. This is slows down the OS/2 boot up considerably. (It also seems that the code is somehow vulnerable while polling like this and that mouse or keyboard input at this point might screw things up badly.) From http://www.win.tue.nl/~aeb/linux/kbd/scancodes-13.html: Every command or data byte sent to the mouse (except for the resend command fe) is ACKed with fa. If the command or data is invalid, it is NACKed with fe. If the next byte is again invalid, the reply is ERROR: fc. */ /** @todo send error if we NACKed the previous command? */ kbd_queue(s, AUX_NACK, 1); break; } break; case AUX_SET_SAMPLE: s->mouse_sample_rate = val; /* detect IMPS/2 or IMEX */ /* And enable horizontal scrolling reporting when requested */ 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 if ((val == 80) && s->mouse_type == MOUSE_PROT_IMEX) /* enable horizontal scrolling, byte two */ s->mouse_detect_state = 4; else s->mouse_detect_state = 0; break; case 2: if (val == 80 && s->mouse_type < MOUSE_PROT_IMEX) { LogRelFlowFunc(("switching mouse device to IMPS/2 mode\n")); s->mouse_type = MOUSE_PROT_IMPS2; } s->mouse_detect_state = 0; break; case 3: if (val == 80) { LogRelFlowFunc(("switching mouse device to IMEX mode\n")); s->mouse_type = MOUSE_PROT_IMEX; } s->mouse_detect_state = 0; break; case 4: if (val == 40) { LogRelFlowFunc(("enabling IMEX horizontal scrolling reporting\n")); s->mouse_flags |= MOUSE_REPORT_HORIZONTAL; } s->mouse_detect_state = 0; break; } kbd_queue(s, AUX_ACK, 1); s->mouse_write_cmd = -1; break; case AUX_SET_RES: if (0 <= val && val < 4) { s->mouse_resolution = val; kbd_queue(s, AUX_ACK, 1); } else kbd_queue(s, AUX_NACK, 1); s->mouse_write_cmd = -1; break; } return rc; } static int kbd_write_data(void *opaque, uint32_t addr, uint32_t val) { int rc = VINF_SUCCESS; KBDState *s = (KBDState*)opaque; NOREF(addr); #ifdef DEBUG_KBD Log(("kbd: write data=0x%02x\n", val)); #endif switch(s->write_cmd) { case 0: /* Automatically enables keyboard interface. */ s->mode &= ~KBD_MODE_DISABLE_KBD; rc = PS2KByteToKbd(&s->Kbd, val); if (rc == VINF_SUCCESS) kbd_update_irq(s); break; case KBD_CCMD_WRITE_MODE: s->mode = val; s->translate = (s->mode & KBD_MODE_KCC) == KBD_MODE_KCC; kbd_update_irq(s); break; case KBD_CCMD_WRITE_OBUF: kbc_dbb_out(s, val); break; case KBD_CCMD_WRITE_AUX_OBUF: kbd_queue(s, val, 1); break; case KBD_CCMD_WRITE_OUTPORT: #ifdef TARGET_I386 # ifndef IN_RING3 if (PDMDevHlpA20IsEnabled(s->CTX_SUFF(pDevIns)) != !!(val & 2)) rc = VINF_IOM_R3_IOPORT_WRITE; # else /* IN_RING3 */ PDMDevHlpA20Set(s->CTX_SUFF(pDevIns), !!(val & 2)); # endif /* !IN_RING3 */ #endif if (!(val & 1)) { # ifndef IN_RING3 rc = VINF_IOM_R3_IOPORT_WRITE; # else rc = PDMDevHlpVMReset(s->CTX_SUFF(pDevIns)); # endif } break; case KBD_CCMD_WRITE_MOUSE: /* Automatically enables aux interface. */ s->mode &= ~KBD_MODE_DISABLE_MOUSE; rc = kbd_write_mouse(s, val); break; default: break; } if (rc != VINF_IOM_R3_IOPORT_WRITE) s->write_cmd = 0; return rc; } #ifdef IN_RING3 static void kbd_reset(void *opaque) { KBDState *s = (KBDState*)opaque; MouseCmdQueue *mcq; MouseEventQueue *meq; s->mouse_write_cmd = -1; s->mode = KBD_MODE_KBD_INT | KBD_MODE_MOUSE_INT; s->status = KBD_STAT_CMD | KBD_STAT_UNLOCKED; /* Resetting everything, keyword was not working right on NT4 reboot. */ s->write_cmd = 0; s->translate = 0; if (s->mouse_status) { s->mouse_status = 0; kbd_mouse_update_downstream_status(s); } s->mouse_resolution = 0; s->mouse_sample_rate = 0; s->mouse_wrap = 0; s->mouse_type = MOUSE_PROT_PS2; s->mouse_detect_state = 0; s->mouse_dx = 0; s->mouse_dy = 0; s->mouse_dz = 0; s->mouse_dw = 0; s->mouse_flags = 0; s->mouse_buttons = 0; s->mouse_buttons_reported = 0; mcq = &s->mouse_command_queue; mcq->rptr = 0; mcq->wptr = 0; mcq->count = 0; meq = &s->mouse_event_queue; meq->rptr = 0; meq->wptr = 0; meq->count = 0; } static void kbd_save(QEMUFile* f, void* opaque) { uint32_t cItems; int i; KBDState *s = (KBDState*)opaque; qemu_put_8s(f, &s->write_cmd); qemu_put_8s(f, &s->status); qemu_put_8s(f, &s->mode); qemu_put_8s(f, &s->dbbout); qemu_put_be32s(f, &s->mouse_write_cmd); qemu_put_8s(f, &s->mouse_status); qemu_put_8s(f, &s->mouse_resolution); qemu_put_8s(f, &s->mouse_sample_rate); qemu_put_8s(f, &s->mouse_wrap); qemu_put_8s(f, &s->mouse_type); qemu_put_8s(f, &s->mouse_detect_state); qemu_put_be32s(f, &s->mouse_dx); qemu_put_be32s(f, &s->mouse_dy); qemu_put_be32s(f, &s->mouse_dz); qemu_put_be32s(f, &s->mouse_dw); qemu_put_be32s(f, &s->mouse_flags); qemu_put_8s(f, &s->mouse_buttons); qemu_put_8s(f, &s->mouse_buttons_reported); cItems = s->mouse_command_queue.count; SSMR3PutU32(f, cItems); for (i = s->mouse_command_queue.rptr; cItems-- > 0; i = (i + 1) % RT_ELEMENTS(s->mouse_command_queue.data)) SSMR3PutU8(f, s->mouse_command_queue.data[i]); Log(("kbd_save: %d mouse command queue items stored\n", s->mouse_command_queue.count)); cItems = s->mouse_event_queue.count; SSMR3PutU32(f, cItems); for (i = s->mouse_event_queue.rptr; cItems-- > 0; i = (i + 1) % RT_ELEMENTS(s->mouse_event_queue.data)) SSMR3PutU8(f, s->mouse_event_queue.data[i]); Log(("kbd_save: %d mouse event queue items stored\n", s->mouse_event_queue.count)); /* terminator */ SSMR3PutU32(f, ~0); } static int kbd_load(QEMUFile* f, void* opaque, int version_id) { uint32_t u32, i; uint8_t u8Dummy; uint32_t u32Dummy; int rc; KBDState *s = (KBDState*)opaque; #if 0 /** @todo enable this and remove the "if (version_id == 4)" code at some * later time */ /* Version 4 was never created by any publicly released version of VBox */ AssertReturn(version_id != 4, VERR_NOT_SUPPORTED); #endif if (version_id < 2 || version_id > PCKBD_SAVED_STATE_VERSION) return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION; qemu_get_8s(f, &s->write_cmd); qemu_get_8s(f, &s->status); qemu_get_8s(f, &s->mode); if (version_id <= 5) { qemu_get_be32s(f, (uint32_t *)&u32Dummy); qemu_get_be32s(f, (uint32_t *)&u32Dummy); } else { qemu_get_8s(f, &s->dbbout); } qemu_get_be32s(f, (uint32_t *)&s->mouse_write_cmd); qemu_get_8s(f, &s->mouse_status); qemu_get_8s(f, &s->mouse_resolution); qemu_get_8s(f, &s->mouse_sample_rate); qemu_get_8s(f, &s->mouse_wrap); qemu_get_8s(f, &s->mouse_type); qemu_get_8s(f, &s->mouse_detect_state); qemu_get_be32s(f, (uint32_t *)&s->mouse_dx); qemu_get_be32s(f, (uint32_t *)&s->mouse_dy); qemu_get_be32s(f, (uint32_t *)&s->mouse_dz); if (version_id > 2) { SSMR3GetS32(f, &s->mouse_dw); SSMR3GetS32(f, &s->mouse_flags); } qemu_get_8s(f, &s->mouse_buttons); if (version_id == 4) { SSMR3GetU32(f, &u32Dummy); SSMR3GetU32(f, &u32Dummy); } if (version_id > 3) SSMR3GetU8(f, &s->mouse_buttons_reported); if (version_id == 4) SSMR3GetU8(f, &u8Dummy); s->mouse_command_queue.count = 0; s->mouse_command_queue.rptr = 0; s->mouse_command_queue.wptr = 0; s->mouse_event_queue.count = 0; s->mouse_event_queue.rptr = 0; s->mouse_event_queue.wptr = 0; /* Determine the translation state. */ s->translate = (s->mode & KBD_MODE_KCC) == KBD_MODE_KCC; /* * Load the queues */ if (version_id <= 5) { rc = SSMR3GetU32(f, &u32); if (RT_FAILURE(rc)) return rc; for (i = 0; i < u32; i++) { rc = SSMR3GetU8(f, &u8Dummy); if (RT_FAILURE(rc)) return rc; } Log(("kbd_load: %d keyboard queue items discarded from old saved state\n", u32)); } rc = SSMR3GetU32(f, &u32); if (RT_FAILURE(rc)) return rc; if (u32 > RT_ELEMENTS(s->mouse_command_queue.data)) { AssertMsgFailed(("u32=%#x\n", u32)); return VERR_SSM_DATA_UNIT_FORMAT_CHANGED; } for (i = 0; i < u32; i++) { rc = SSMR3GetU8(f, &s->mouse_command_queue.data[i]); if (RT_FAILURE(rc)) return rc; } s->mouse_command_queue.wptr = u32 % RT_ELEMENTS(s->mouse_command_queue.data); s->mouse_command_queue.count = u32; Log(("kbd_load: %d mouse command queue items loaded\n", u32)); rc = SSMR3GetU32(f, &u32); if (RT_FAILURE(rc)) return rc; if (u32 > RT_ELEMENTS(s->mouse_event_queue.data)) { AssertMsgFailed(("u32=%#x\n", u32)); return VERR_SSM_DATA_UNIT_FORMAT_CHANGED; } for (i = 0; i < u32; i++) { rc = SSMR3GetU8(f, &s->mouse_event_queue.data[i]); if (RT_FAILURE(rc)) return rc; } s->mouse_event_queue.wptr = u32 % RT_ELEMENTS(s->mouse_event_queue.data); s->mouse_event_queue.count = u32; Log(("kbd_load: %d mouse event queue items loaded\n", u32)); /* terminator */ rc = SSMR3GetU32(f, &u32); if (RT_FAILURE(rc)) return rc; if (u32 != ~0U) { AssertMsgFailed(("u32=%#x\n", u32)); return VERR_SSM_DATA_UNIT_FORMAT_CHANGED; } /* Resend a notification to Main if the device is active */ kbd_mouse_update_downstream_status(s); return 0; } #endif /* IN_RING3 */ /* VirtualBox code start */ /* -=-=-=-=-=- wrappers -=-=-=-=-=- */ /** * Port I/O Handler for keyboard data IN operations. * * @returns VBox status code. * * @param pDevIns The device instance. * @param pvUser User argument - ignored. * @param Port Port number used for the IN operation. * @param pu32 Where to store the result. * @param cb Number of bytes read. */ PDMBOTHCBDECL(int) kbdIOPortDataRead(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *pu32, unsigned cb) { NOREF(pvUser); if (cb == 1) { KBDState *pThis = PDMINS_2_DATA(pDevIns, KBDState *); int rc = PDMCritSectEnter(&pThis->CritSect, VINF_IOM_R3_IOPORT_READ); if (RT_LIKELY(rc == VINF_SUCCESS)) { *pu32 = kbd_read_data(pThis, Port); PDMCritSectLeave(&pThis->CritSect); Log2(("kbdIOPortDataRead: Port=%#x cb=%d *pu32=%#x\n", Port, cb, *pu32)); } return rc; } AssertMsgFailed(("Port=%#x cb=%d\n", Port, cb)); return VERR_IOM_IOPORT_UNUSED; } /** * Port I/O Handler for keyboard data OUT operations. * * @returns VBox status code. * * @param pDevIns The device instance. * @param pvUser User argument - ignored. * @param Port Port number used for the IN operation. * @param u32 The value to output. * @param cb The value size in bytes. */ PDMBOTHCBDECL(int) kbdIOPortDataWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb) { int rc = VINF_SUCCESS; NOREF(pvUser); if (cb == 1) { KBDState *pThis = PDMINS_2_DATA(pDevIns, KBDState *); rc = PDMCritSectEnter(&pThis->CritSect, VINF_IOM_R3_IOPORT_WRITE); if (RT_LIKELY(rc == VINF_SUCCESS)) { rc = kbd_write_data(pThis, Port, u32); PDMCritSectLeave(&pThis->CritSect); Log2(("kbdIOPortDataWrite: Port=%#x cb=%d u32=%#x\n", Port, cb, u32)); } } else AssertMsgFailed(("Port=%#x cb=%d\n", Port, cb)); return rc; } /** * Port I/O Handler for keyboard status IN operations. * * @returns VBox status code. * * @param pDevIns The device instance. * @param pvUser User argument - ignored. * @param Port Port number used for the IN operation. * @param pu32 Where to store the result. * @param cb Number of bytes read. */ PDMBOTHCBDECL(int) kbdIOPortStatusRead(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *pu32, unsigned cb) { NOREF(pvUser); if (cb == 1) { KBDState *pThis = PDMINS_2_DATA(pDevIns, KBDState *); int rc = PDMCritSectEnter(&pThis->CritSect, VINF_IOM_R3_IOPORT_READ); if (RT_LIKELY(rc == VINF_SUCCESS)) { *pu32 = kbd_read_status(pThis, Port); PDMCritSectLeave(&pThis->CritSect); Log2(("kbdIOPortStatusRead: Port=%#x cb=%d -> *pu32=%#x\n", Port, cb, *pu32)); } return rc; } AssertMsgFailed(("Port=%#x cb=%d\n", Port, cb)); return VERR_IOM_IOPORT_UNUSED; } /** * Port I/O Handler for keyboard command OUT operations. * * @returns VBox status code. * * @param pDevIns The device instance. * @param pvUser User argument - ignored. * @param Port Port number used for the IN operation. * @param u32 The value to output. * @param cb The value size in bytes. */ PDMBOTHCBDECL(int) kbdIOPortCommandWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb) { int rc = VINF_SUCCESS; NOREF(pvUser); if (cb == 1) { KBDState *pThis = PDMINS_2_DATA(pDevIns, KBDState *); rc = PDMCritSectEnter(&pThis->CritSect, VINF_IOM_R3_IOPORT_WRITE); if (RT_LIKELY(rc == VINF_SUCCESS)) { rc = kbd_write_command(pThis, Port, u32); PDMCritSectLeave(&pThis->CritSect); Log2(("kbdIOPortCommandWrite: Port=%#x cb=%d u32=%#x rc=%Rrc\n", Port, cb, u32, rc)); } } else AssertMsgFailed(("Port=%#x cb=%d\n", Port, cb)); return rc; } #ifdef IN_RING3 /** * Saves a state of the keyboard device. * * @returns VBox status code. * @param pDevIns The device instance. * @param pSSMHandle The handle to save the state to. */ static DECLCALLBACK(int) kbdSaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSMHandle) { KBDState *pThis = PDMINS_2_DATA(pDevIns, KBDState *); kbd_save(pSSMHandle, pThis); PS2KSaveState(pSSMHandle, &pThis->Kbd); return VINF_SUCCESS; } /** * Loads a saved keyboard device state. * * @returns VBox status code. * @param pDevIns The device instance. * @param pSSMHandle The handle to the saved state. * @param uVersion The data unit version number. * @param uPass The data pass. */ static DECLCALLBACK(int) kbdLoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSMHandle, uint32_t uVersion, uint32_t uPass) { KBDState *pThis = PDMINS_2_DATA(pDevIns, KBDState *); int rc; Assert(uPass == SSM_PASS_FINAL); NOREF(uPass); rc = kbd_load(pSSMHandle, pThis, uVersion); if (uVersion >= 6) rc = PS2KLoadState(pSSMHandle, &pThis->Kbd, uVersion); return rc; } /** * Reset notification. * * @returns VBox status. * @param pDevIns The device instance data. */ static DECLCALLBACK(void) kbdReset(PPDMDEVINS pDevIns) { KBDState *pThis = PDMINS_2_DATA(pDevIns, KBDState *); kbd_reset(pThis); PS2KReset(&pThis->Kbd); } /* -=-=-=-=-=- Mouse: IBase -=-=-=-=-=- */ /** * @interface_method_impl{PDMIBASE,pfnQueryInterface} */ static DECLCALLBACK(void *) kbdMouseQueryInterface(PPDMIBASE pInterface, const char *pszIID) { KBDState *pThis = RT_FROM_MEMBER(pInterface, KBDState, Mouse.IBase); PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pThis->Mouse.IBase); PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMOUSEPORT, &pThis->Mouse.IPort); return NULL; } /* -=-=-=-=-=- Mouse: IMousePort -=-=-=-=-=- */ /** * @interface_method_impl{PDMIMOUSEPORT, pfnPutEvent} */ static DECLCALLBACK(int) kbdMousePutEvent(PPDMIMOUSEPORT pInterface, int32_t iDeltaX, int32_t iDeltaY, int32_t iDeltaZ, int32_t iDeltaW, uint32_t fButtonStates) { KBDState *pThis = RT_FROM_MEMBER(pInterface, KBDState, Mouse.IPort); int rc = PDMCritSectEnter(&pThis->CritSect, VERR_SEM_BUSY); AssertReleaseRC(rc); pc_kbd_mouse_event(pThis, iDeltaX, iDeltaY, iDeltaZ, iDeltaW, fButtonStates); PDMCritSectLeave(&pThis->CritSect); return VINF_SUCCESS; } /** * @interface_method_impl{PDMIMOUSEPORT, pfnPutEventAbs} */ static DECLCALLBACK(int) kbdMousePutEventAbs(PPDMIMOUSEPORT pInterface, uint32_t uX, uint32_t uY, int32_t iDeltaZ, int32_t iDeltaW, uint32_t fButtons) { AssertFailedReturn(VERR_NOT_SUPPORTED); NOREF(pInterface); NOREF(uX); NOREF(uY); NOREF(iDeltaZ); NOREF(iDeltaW); NOREF(fButtons); } /* -=-=-=-=-=- real code -=-=-=-=-=- */ /** * Attach command. * * This is called to let the device attach to a driver for a specified LUN * during runtime. This is not called during VM construction, the device * constructor have to attach to all the available drivers. * * This is like plugging in the keyboard or mouse after turning on the PC. * * @returns VBox status code. * @param pDevIns The device instance. * @param iLUN The logical unit which is being detached. * @param fFlags Flags, combination of the PDMDEVATT_FLAGS_* \#defines. * @remark The keyboard controller doesn't support this action, this is just * implemented to try out the driver<->device structure. */ static DECLCALLBACK(int) kbdAttach(PPDMDEVINS pDevIns, unsigned iLUN, uint32_t fFlags) { int rc; KBDState *pThis = PDMINS_2_DATA(pDevIns, KBDState *); AssertMsgReturn(fFlags & PDM_TACH_FLAGS_NOT_HOT_PLUG, ("PS/2 device does not support hotplugging\n"), VERR_INVALID_PARAMETER); switch (iLUN) { /* LUN #0: keyboard */ case 0: rc = PS2KAttach(pDevIns, &pThis->Kbd, iLUN, fFlags); if (RT_FAILURE(rc)) return rc; break; /* LUN #1: aux/mouse */ case 1: rc = PDMDevHlpDriverAttach(pDevIns, iLUN, &pThis->Mouse.IBase, &pThis->Mouse.pDrvBase, "Aux (Mouse) Port"); if (RT_SUCCESS(rc)) { pThis->Mouse.pDrv = PDMIBASE_QUERY_INTERFACE(pThis->Mouse.pDrvBase, PDMIMOUSECONNECTOR); if (!pThis->Mouse.pDrv) { AssertLogRelMsgFailed(("LUN #1 doesn't have a mouse interface! rc=%Rrc\n", rc)); rc = VERR_PDM_MISSING_INTERFACE; } } else if (rc == VERR_PDM_NO_ATTACHED_DRIVER) { Log(("%s/%d: warning: no driver attached to LUN #1!\n", pDevIns->pReg->szName, pDevIns->iInstance)); rc = VINF_SUCCESS; } else AssertLogRelMsgFailed(("Failed to attach LUN #1! rc=%Rrc\n", rc)); break; default: AssertMsgFailed(("Invalid LUN #%d\n", iLUN)); return VERR_PDM_NO_SUCH_LUN; } return rc; } /** * Detach notification. * * This is called when a driver is detaching itself from a LUN of the device. * The device should adjust it's state to reflect this. * * This is like unplugging the network cable to use it for the laptop or * something while the PC is still running. * * @param pDevIns The device instance. * @param iLUN The logical unit which is being detached. * @param fFlags Flags, combination of the PDMDEVATT_FLAGS_* \#defines. * @remark The keyboard controller doesn't support this action, this is just * implemented to try out the driver<->device structure. */ static DECLCALLBACK(void) kbdDetach(PPDMDEVINS pDevIns, unsigned iLUN, uint32_t fFlags) { #if 0 /* * Reset the interfaces and update the controller state. */ KBDState *pThis = PDMINS_2_DATA(pDevIns, KBDState *); switch (iLUN) { /* LUN #0: keyboard */ case 0: pThis->Keyboard.pDrv = NULL; pThis->Keyboard.pDrvBase = NULL; break; /* LUN #1: aux/mouse */ case 1: pThis->Mouse.pDrv = NULL; pThis->Mouse.pDrvBase = NULL; break; default: AssertMsgFailed(("Invalid LUN #%d\n", iLUN)); break; } #else NOREF(pDevIns); NOREF(iLUN); NOREF(fFlags); #endif } /** * @copydoc FNPDMDEVRELOCATE */ static DECLCALLBACK(void) kbdRelocate(PPDMDEVINS pDevIns, RTGCINTPTR offDelta) { KBDState *pThis = PDMINS_2_DATA(pDevIns, KBDState *); pThis->pDevInsRC = PDMDEVINS_2_RCPTR(pDevIns); PS2KRelocate(&pThis->Kbd, offDelta); } /** * Destruct a device instance for a VM. * * @returns VBox status. * @param pDevIns The device instance data. */ static DECLCALLBACK(int) kbdDestruct(PPDMDEVINS pDevIns) { KBDState *pThis = PDMINS_2_DATA(pDevIns, KBDState *); PDMDEV_CHECK_VERSIONS_RETURN_QUIET(pDevIns); PDMR3CritSectDelete(&pThis->CritSect); return VINF_SUCCESS; } /** * @interface_method_impl{PDMDEVREG,pfnConstruct} */ static DECLCALLBACK(int) kbdConstruct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg) { KBDState *pThis = PDMINS_2_DATA(pDevIns, KBDState *); int rc; bool fGCEnabled; bool fR0Enabled; Assert(iInstance == 0); PDMDEV_CHECK_VERSIONS_RETURN(pDevIns); /* * Validate and read the configuration. */ if (!CFGMR3AreValuesValid(pCfg, "GCEnabled\0R0Enabled\0")) return VERR_PDM_DEVINS_UNKNOWN_CFG_VALUES; rc = CFGMR3QueryBoolDef(pCfg, "GCEnabled", &fGCEnabled, true); if (RT_FAILURE(rc)) return PDMDEV_SET_ERROR(pDevIns, rc, N_("Failed to query \"GCEnabled\" from the config")); rc = CFGMR3QueryBoolDef(pCfg, "R0Enabled", &fR0Enabled, true); if (RT_FAILURE(rc)) return PDMDEV_SET_ERROR(pDevIns, rc, N_("Failed to query \"R0Enabled\" from the config")); Log(("pckbd: fGCEnabled=%RTbool fR0Enabled=%RTbool\n", fGCEnabled, fR0Enabled)); /* * Initialize the interfaces. */ pThis->pDevInsR3 = pDevIns; pThis->pDevInsR0 = PDMDEVINS_2_R0PTR(pDevIns); pThis->pDevInsRC = PDMDEVINS_2_RCPTR(pDevIns); rc = PS2KConstruct(pDevIns, &pThis->Kbd, pThis, iInstance); if (RT_FAILURE(rc)) return rc; pThis->Mouse.IBase.pfnQueryInterface = kbdMouseQueryInterface; pThis->Mouse.IPort.pfnPutEvent = kbdMousePutEvent; pThis->Mouse.IPort.pfnPutEventAbs = kbdMousePutEventAbs; /* * Initialize the critical section. */ rc = PDMDevHlpCritSectInit(pDevIns, &pThis->CritSect, RT_SRC_POS, "PS2KM#%u", iInstance); if (RT_FAILURE(rc)) return rc; /* * Register I/O ports, save state, keyboard event handler and mouse event handlers. */ rc = PDMDevHlpIOPortRegister(pDevIns, 0x60, 1, NULL, kbdIOPortDataWrite, kbdIOPortDataRead, NULL, NULL, "PC Keyboard - Data"); if (RT_FAILURE(rc)) return rc; rc = PDMDevHlpIOPortRegister(pDevIns, 0x64, 1, NULL, kbdIOPortCommandWrite, kbdIOPortStatusRead, NULL, NULL, "PC Keyboard - Command / Status"); if (RT_FAILURE(rc)) return rc; if (fGCEnabled) { rc = PDMDevHlpIOPortRegisterRC(pDevIns, 0x60, 1, 0, "kbdIOPortDataWrite", "kbdIOPortDataRead", NULL, NULL, "PC Keyboard - Data"); if (RT_FAILURE(rc)) return rc; rc = PDMDevHlpIOPortRegisterRC(pDevIns, 0x64, 1, 0, "kbdIOPortCommandWrite", "kbdIOPortStatusRead", NULL, NULL, "PC Keyboard - Command / Status"); if (RT_FAILURE(rc)) return rc; } if (fR0Enabled) { rc = PDMDevHlpIOPortRegisterR0(pDevIns, 0x60, 1, 0, "kbdIOPortDataWrite", "kbdIOPortDataRead", NULL, NULL, "PC Keyboard - Data"); if (RT_FAILURE(rc)) return rc; rc = PDMDevHlpIOPortRegisterR0(pDevIns, 0x64, 1, 0, "kbdIOPortCommandWrite", "kbdIOPortStatusRead", NULL, NULL, "PC Keyboard - Command / Status"); if (RT_FAILURE(rc)) return rc; } rc = PDMDevHlpSSMRegister(pDevIns, PCKBD_SAVED_STATE_VERSION, sizeof(*pThis), kbdSaveExec, kbdLoadExec); if (RT_FAILURE(rc)) return rc; /* * Attach to the keyboard and mouse drivers. */ rc = kbdAttach(pDevIns, 0 /* keyboard LUN # */, PDM_TACH_FLAGS_NOT_HOT_PLUG); if (RT_FAILURE(rc)) return rc; rc = kbdAttach(pDevIns, 1 /* aux/mouse LUN # */, PDM_TACH_FLAGS_NOT_HOT_PLUG); if (RT_FAILURE(rc)) return rc; /* * Initialize the device state. */ kbdReset(pDevIns); return VINF_SUCCESS; } /** * The device registration structure. */ const PDMDEVREG g_DevicePS2KeyboardMouse = { /* u32Version */ PDM_DEVREG_VERSION, /* szName */ "pckbd", /* szRCMod */ "VBoxDDGC.gc", /* szR0Mod */ "VBoxDDR0.r0", /* pszDescription */ "PS/2 Keyboard and Mouse device. Emulates both the keyboard, mouse and the keyboard controller. " "LUN #0 is the keyboard connector. " "LUN #1 is the aux/mouse connector.", /* fFlags */ PDM_DEVREG_FLAGS_HOST_BITS_DEFAULT | PDM_DEVREG_FLAGS_GUEST_BITS_32_64 | PDM_DEVREG_FLAGS_PAE36 | PDM_DEVREG_FLAGS_RC | PDM_DEVREG_FLAGS_R0, /* fClass */ PDM_DEVREG_CLASS_INPUT, /* cMaxInstances */ 1, /* cbInstance */ sizeof(KBDState), /* pfnConstruct */ kbdConstruct, /* pfnDestruct */ kbdDestruct, /* pfnRelocate */ kbdRelocate, /* pfnIOCtl */ NULL, /* pfnPowerOn */ NULL, /* pfnReset */ kbdReset, /* pfnSuspend */ NULL, /* pfnResume */ NULL, /* pfnAttach */ kbdAttach, /* pfnDetach */ kbdDetach, /* pfnQueryInterface. */ NULL, /* pfnInitComplete */ NULL, /* pfnPowerOff */ NULL, /* pfnSoftReset */ NULL, /* u32VersionEnd */ PDM_DEVREG_VERSION }; #endif /* IN_RING3 */ #endif /* !VBOX_DEVICE_STRUCT_TESTCASE */