diff options
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/linux')
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/linux/cpuinfo.c | 68 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/linux/event.c | 1360 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/linux/event.svga | 1058 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/linux/oshdr.h | 60 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/linux/pm.c | 1809 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/linux/vflat.c | 49 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/linux/ztimer.c | 95 |
7 files changed, 0 insertions, 4499 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/linux/cpuinfo.c b/board/MAI/bios_emulator/scitech/src/pm/linux/cpuinfo.c deleted file mode 100644 index e88d210954..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/linux/cpuinfo.c +++ /dev/null @@ -1,68 +0,0 @@ -/**************************************************************************** -* -* Ultra Long Period Timer -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: Linux -* -* Description: Linux specific code for the CPU detection module. -* -****************************************************************************/ - -#include <ztimer.h> - -/*----------------------------- Implementation ----------------------------*/ - -/**************************************************************************** -REMARKS: -TODO: We should implement this for Linux! -****************************************************************************/ -#define SetMaxThreadPriority() 0 - -/**************************************************************************** -REMARKS: -TODO: We should implement this for Linux! -****************************************************************************/ -#define RestoreThreadPriority(i) - -/**************************************************************************** -REMARKS: -Initialise the counter and return the frequency of the counter. -****************************************************************************/ -static void GetCounterFrequency( - CPU_largeInteger *freq) -{ - freq->low = 1000000; - freq->high = 0; -} - -/**************************************************************************** -REMARKS: -Read the counter and return the counter value. -****************************************************************************/ -#define GetCounter(t) \ -{ \ - struct timeval tv; \ - gettimeofday(&tv,NULL); \ - (t)->low = tv.tv_sec*1000000 + tv.tv_usec; \ - (t)->high = 0; \ -} diff --git a/board/MAI/bios_emulator/scitech/src/pm/linux/event.c b/board/MAI/bios_emulator/scitech/src/pm/linux/event.c deleted file mode 100644 index ce38732097..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/linux/event.c +++ /dev/null @@ -1,1360 +0,0 @@ -/**************************************************************************** -* -* SciTech Multi-platform Graphics Library -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: Linux -* -* Description: Linux fullscreen console implementation for the SciTech -* cross platform event library. -* Portions ripped straigth from the gpm source code for mouse -* handling. -* -****************************************************************************/ - -/*---------------------------- Global Variables ---------------------------*/ - -extern int _PM_console_fd; -static ushort keyUpMsg[256] = {0}; -static int _EVT_mouse_fd = 0; -static int range_x, range_y; -static int opt_baud = 1200, opt_sample = 100; -#ifdef USE_OS_JOYSTICK -static short *axis0 = NULL, *axis1 = NULL; -static uchar *buts0 = NULL, *buts1 = NULL; -static int joystick0_fd = 0, joystick1_fd = 0; -static int js_version = 0; -#endif - -/* This defines the supported mouse drivers */ - -typedef enum { - EVT_noMouse = -1, - EVT_microsoft = 0, - EVT_ps2, - EVT_mousesystems, - EVT_gpm, - EVT_MMseries, - EVT_logitech, - EVT_busmouse, - EVT_mouseman, - EVT_intellimouse, - EVT_intellimouse_ps2, - } mouse_drivers_t; - -static mouse_drivers_t mouse_driver = EVT_noMouse; -static char mouse_dev[20] = "/dev/mouse"; - -typedef struct { - char *name; - int flags; - void (*init)(void); - uchar proto[4]; - int packet_len; - int read; - } mouse_info; - -#define STD_FLG (CREAD | CLOCAL | HUPCL) - -static void _EVT_mouse_init(void); -static void _EVT_logitech_init(void); -static void _EVT_pnpmouse_init(void); - -mouse_info mouse_infos[] = { - {"Microsoft", CS7 | B1200 | STD_FLG, _EVT_mouse_init, {0x40, 0x40, 0x40, 0x00}, 3, 1}, - {"PS2", STD_FLG, NULL, {0xc0, 0x00, 0x00, 0x00}, 3, 1}, - {"MouseSystems", CS8 | CSTOPB | STD_FLG, _EVT_mouse_init, {0xf8, 0x80, 0x00, 0x00}, 5, 5}, - {"GPM", CS8 | CSTOPB | STD_FLG, NULL, {0xf8, 0x80, 0x00, 0x00}, 5, 5}, - {"MMSeries", CS8 | PARENB | PARODD | STD_FLG, _EVT_mouse_init, {0xe0, 0x80, 0x80, 0x00}, 3, 1}, - {"Logitech", CS8 | CSTOPB | STD_FLG, _EVT_logitech_init, {0xe0, 0x80, 0x80, 0x00}, 3, 3}, - {"BusMouse", STD_FLG, NULL, {0xf8, 0x80, 0x00, 0x00}, 3, 3}, - {"MouseMan", CS7 | STD_FLG, _EVT_mouse_init, {0x40, 0x40, 0x40, 0x00}, 3, 1}, - {"IntelliMouse", CS7 | STD_FLG, _EVT_pnpmouse_init, {0xc0, 0x40, 0xc0, 0x00}, 4, 1}, - {"IMPS2", CS7 | STD_FLG, NULL, {0xc0, 0x40, 0xc0, 0x00}, 4, 1}, /* ? */ - }; - -#define NB_MICE (sizeof(mouse_infos)/sizeof(mouse_info)) - -/* The name of the environment variables that are used to change the defaults above */ - -#define ENV_MOUSEDRV "MGL_MOUSEDRV" -#define ENV_MOUSEDEV "MGL_MOUSEDEV" -#define ENV_MOUSESPD "MGL_MOUSESPD" -#define ENV_JOYDEV0 "MGL_JOYDEV1" -#define ENV_JOYDEV1 "MGL_JOYDEV2" - -/* Scancode mappings on Linux for special keys */ - -typedef struct { - int scan; - int map; - } keymap; - -/* TODO: Fix this and set it up so we can do a binary search! */ - -keymap keymaps[] = { - {96, KB_padEnter}, - {74, KB_padMinus}, - {78, KB_padPlus}, - {55, KB_padTimes}, - {98, KB_padDivide}, - {71, KB_padHome}, - {72, KB_padUp}, - {73, KB_padPageUp}, - {75, KB_padLeft}, - {76, KB_padCenter}, - {77, KB_padRight}, - {79, KB_padEnd}, - {80, KB_padDown}, - {81, KB_padPageDown}, - {82, KB_padInsert}, - {83, KB_padDelete}, - {105,KB_left}, - {108,KB_down}, - {106,KB_right}, - {103,KB_up}, - {110,KB_insert}, - {102,KB_home}, - {104,KB_pageUp}, - {111,KB_delete}, - {107,KB_end}, - {109,KB_pageDown}, - {125,KB_leftWindows}, - {126,KB_rightWindows}, - {127,KB_menu}, - {100,KB_rightAlt}, - {97,KB_rightCtrl}, - }; - -/* And the keypad with num lock turned on (changes the ASCII code only) */ - -keymap keypad[] = { - {71, ASCII_7}, - {72, ASCII_8}, - {73, ASCII_9}, - {75, ASCII_4}, - {76, ASCII_5}, - {77, ASCII_6}, - {79, ASCII_1}, - {80, ASCII_2}, - {81, ASCII_3}, - {82, ASCII_0}, - {83, ASCII_period}, - }; - -#define NB_KEYMAPS (sizeof(keymaps)/sizeof(keymaps[0])) -#define NB_KEYPAD (sizeof(keypad)/sizeof(keypad[0])) - -typedef struct { - int sample; - char code[2]; - } sample_rate; - -sample_rate sampletab[]={ - { 0,"O"}, - { 15,"J"}, - { 27,"K"}, - { 42,"L"}, - { 60,"R"}, - { 85,"M"}, - {125,"Q"}, - {1E9,"N"}, - }; - -/* Number of keycodes to read at a time from the console */ - -#define KBDREADBUFFERSIZE 32 - -/*---------------------------- Implementation -----------------------------*/ - -/* These are not used under Linux */ -#define _EVT_disableInt() 1 -#define _EVT_restoreInt(flaps) - -/**************************************************************************** -PARAMETERS: -scanCode - Scan code to test - -REMARKS: -This macro determines if a specified key is currently down at the -time that the call is made. -****************************************************************************/ -#define _EVT_isKeyDown(scanCode) (keyUpMsg[scanCode] != 0) - -/**************************************************************************** -REMARKS: -This function is used to return the number of ticks since system -startup in milliseconds. This should be the same value that is placed into -the time stamp fields of events, and is used to implement auto mouse down -events. -****************************************************************************/ -ulong _EVT_getTicks(void) -{ - static uint starttime = 0; - struct timeval t; - - gettimeofday(&t, NULL); - if (starttime == 0) - starttime = t.tv_sec * 1000 + (t.tv_usec/1000); - return ((t.tv_sec * 1000 + (t.tv_usec/1000)) - starttime); -} - -/**************************************************************************** -REMARKS: -Small Unix function that checks for availability on a file using select() -****************************************************************************/ -static ibool dataReady( - int fd) -{ - static struct timeval t = { 0L, 0L }; - fd_set fds; - - FD_ZERO(&fds); - FD_SET(fd, &fds); - return select(fd+1, &fds, NULL, NULL, &t) > 0; -} - -/**************************************************************************** -REMARKS: -Reads mouse data according to the selected mouse driver. -****************************************************************************/ -static ibool readMouseData( - int *buttons, - int *dx, - int *dy) -{ - static uchar data[32],prev = 0; - int cnt = 0,ret; - mouse_info *drv; - - /* Read the first byte to check for the protocol */ - drv = &mouse_infos[mouse_driver]; - if (read(_EVT_mouse_fd, data, drv->read) != drv->read) { - perror("read"); - return false; - } - if ((data[0] & drv->proto[0]) != drv->proto[1]) - return false; - - /* Load a whole protocol packet */ - cnt += drv->read; - while (cnt < drv->packet_len) { - ret = read(_EVT_mouse_fd, data+cnt, drv->read); - if (ret == drv->read) - cnt += ret; - else { - perror("read"); - return false; - } - } - if ((data[1] & drv->proto[2]) != drv->proto[3]) - return false; - - /* Now decode the protocol packet */ - switch (mouse_driver) { - case EVT_microsoft: - if (data[0] == 0x40 && !(prev|data[1]|data[2])) - *buttons = 2; /* Third button on MS compatible mouse */ - else - *buttons= ((data[0] & 0x20) >> 3) | ((data[0] & 0x10) >> 4); - prev = *buttons; - *dx = (char)(((data[0] & 0x03) << 6) | (data[1] & 0x3F)); - *dy = (char)(((data[0] & 0x0C) << 4) | (data[2] & 0x3F)); - break; - case EVT_ps2: - *buttons = !!(data[0]&1) * 4 + !!(data[0]&2) * 1 + !!(data[0]&4) * 2; - if (data[1] != 0) - *dx = (data[0] & 0x10) ? data[1]-256 : data[1]; - else - *dx = 0; - if (data[2] != 0) - *dy = -((data[0] & 0x20) ? data[2]-256 : data[2]); - else - *dy = 0; - break; - case EVT_mousesystems: case EVT_gpm: - *buttons = (~data[0]) & 0x07; - *dx = (char)(data[1]) + (char)(data[3]); - *dy = -((char)(data[2]) + (char)(data[4])); - break; - case EVT_logitech: - *buttons= data[0] & 0x07; - *dx = (data[0] & 0x10) ? data[1] : - data[1]; - *dy = (data[0] & 0x08) ? - data[2] : data[2]; - break; - case EVT_busmouse: - *buttons= (~data[0]) & 0x07; - *dx = (char)data[1]; - *dy = -(char)data[2]; - break; - case EVT_MMseries: - *buttons = data[0] & 0x07; - *dx = (data[0] & 0x10) ? data[1] : - data[1]; - *dy = (data[0] & 0x08) ? - data[2] : data[2]; - break; - case EVT_intellimouse: - *buttons = ((data[0] & 0x20) >> 3) /* left */ - | ((data[3] & 0x10) >> 3) /* middle */ - | ((data[0] & 0x10) >> 4); /* right */ - *dx = (char)(((data[0] & 0x03) << 6) | (data[1] & 0x3F)); - *dy = (char)(((data[0] & 0x0C) << 4) | (data[2] & 0x3F)); - break; - case EVT_intellimouse_ps2: - *buttons = (data[0] & 0x04) >> 1 /* Middle */ - | (data[0] & 0x02) >> 1 /* Right */ - | (data[0] & 0x01) << 2; /* Left */ - *dx = (data[0] & 0x10) ? data[1]-256 : data[1]; - *dy = (data[0] & 0x20) ? -(data[2]-256) : -data[2]; - break; - case EVT_mouseman: { - static int getextra; - static uchar prev=0; - uchar b; - - /* The damned MouseMan has 3/4 bytes packets. The extra byte - * is only there if the middle button is active. - * I get the extra byte as a packet with magic numbers in it. - * and then switch to 4-byte mode. - */ - if (data[1] == 0xAA && data[2] == 0x55) { - /* Got unexpected fourth byte */ - if ((b = (*data>>4)) > 0x3) - return false; /* just a sanity check */ - *dx = *dy = 0; - drv->packet_len=4; - getextra=0; - } - else { - /* Got 3/4, as expected */ - /* Motion is independent of packetlen... */ - *dx = (char)(((data[0] & 0x03) << 6) | (data[1] & 0x3F)); - *dy = (char)(((data[0] & 0x0C) << 4) | (data[2] & 0x3F)); - prev = ((data[0] & 0x20) >> 3) | ((data[0] & 0x10) >> 4); - if (drv->packet_len==4) - b = data[3]>>4; - } - if (drv->packet_len == 4) { - if (b == 0) { - drv->packet_len = 3; - getextra = 1; - } - else { - if (b & 0x2) - prev |= 2; - } - } - *buttons = prev; - - /* This "chord-middle" behaviour was reported by David A. van Leeuwen */ - if (((prev ^ *buttons) & 5) == 5) - *buttons = *buttons ? 2 : 0; - prev = *buttons; - break; - } - case EVT_noMouse: - return false; - break; - } - return true; -} - -/**************************************************************************** -REMARKS: -Map a keypress via the key mapping table -****************************************************************************/ -static int getKeyMapping( - keymap *tab, - int nb, - int key) -{ - int i; - - for(i = 0; i < nb; i++) { - if (tab[i].scan == key) - return tab[i].map; - } - return key; -} - -#ifdef USE_OS_JOYSTICK - -static char js0_axes = 0, js0_buttons = 0; -static char js1_axes = 0, js1_buttons = 0; -static char joystick0_dev[20] = "/dev/js0"; -static char joystick1_dev[20] = "/dev/js1"; - -/**************************************************************************** -REMARKS: -Create a joystick event from the joystick data -****************************************************************************/ -static void makeJoyEvent( - event_t *evt) -{ - evt->message = 0; - if (buts0 && axis0) { - if (buts0[0]) evt->message |= EVT_JOY1_BUTTONA; - if (buts0[1]) evt->message |= EVT_JOY1_BUTTONB; - evt->where_x = axis0[0]; - evt->where_y = axis0[1]; - } - else - evt->where_x = evt->where_y = 0; - if (buts1 && axis1) { - if (buts1[0]) evt->message |= EVT_JOY2_BUTTONA; - if (buts1[1]) evt->message |= EVT_JOY2_BUTTONB; - evt->where_x = axis1[0]; - evt->where_y = axis1[1]; - } - else - evt->where_x = evt->where_y = 0; -} - -/**************************************************************************** -REMARKS: -Read the joystick axis data -****************************************************************************/ -int EVTAPI _EVT_readJoyAxis( - int jmask, - int *axis) -{ - int mask = 0; - - if ((js_version & ~0xffff) == 0) { - /* Old 0.x driver */ - struct JS_DATA_TYPE js; - if (joystick0_fd && read(joystick0_fd, &js, JS_RETURN) == JS_RETURN) { - if (jmask & EVT_JOY_AXIS_X1) - axis[0] = js.x; - if (jmask & EVT_JOY_AXIS_Y1) - axis[1] = js.y; - mask |= EVT_JOY_AXIS_X1|EVT_JOY_AXIS_Y1; - } - if (joystick1_fd && read(joystick1_fd, &js, JS_RETURN) == JS_RETURN) { - if (jmask & EVT_JOY_AXIS_X2) - axis[2] = js.x; - if (jmask & EVT_JOY_AXIS_Y2) - axis[3] = js.y; - mask |= EVT_JOY_AXIS_X2|EVT_JOY_AXIS_Y2; - } - } - else { - if (axis0) { - if (jmask & EVT_JOY_AXIS_X1) - axis[0] = axis0[0]; - if (jmask & EVT_JOY_AXIS_Y1) - axis[1] = axis0[1]; - mask |= EVT_JOY_AXIS_X1 | EVT_JOY_AXIS_Y1; - } - if (axis1) { - if (jmask & EVT_JOY_AXIS_X2) - axis[2] = axis1[0]; - if (jmask & EVT_JOY_AXIS_Y2) - axis[3] = axis1[1]; - mask |= EVT_JOY_AXIS_X2 | EVT_JOY_AXIS_Y2; - } - } - return mask; -} - -/**************************************************************************** -REMARKS: -Read the joystick button data -****************************************************************************/ -int EVTAPI _EVT_readJoyButtons(void) -{ - int buts = 0; - - if ((js_version & ~0xffff) == 0) { - /* Old 0.x driver */ - struct JS_DATA_TYPE js; - if (joystick0_fd && read(joystick0_fd, &js, JS_RETURN) == JS_RETURN) - buts = js.buttons; - if (joystick1_fd && read(joystick1_fd, &js, JS_RETURN) == JS_RETURN) - buts |= js.buttons << 2; - } - else { - if (buts0) - buts |= EVT_JOY1_BUTTONA*buts0[0] + EVT_JOY1_BUTTONB*buts0[1]; - if (buts1) - buts |= EVT_JOY2_BUTTONA*buts1[0] + EVT_JOY2_BUTTONB*buts1[1]; - } - return buts; -} - -/**************************************************************************** -DESCRIPTION: -Returns the mask indicating what joystick axes are attached. - -HEADER: -event.h - -REMARKS: -This function is used to detect the attached joysticks, and determine -what axes are present and functioning. This function will re-detect any -attached joysticks when it is called, so if the user forgot to attach -the joystick when the application started, you can call this function to -re-detect any newly attached joysticks. - -SEE ALSO: -EVT_joySetLowerRight, EVT_joySetCenter, EVT_joyIsPresent -****************************************************************************/ -int EVTAPI EVT_joyIsPresent(void) -{ - static int mask = 0; - int i; - char *tmp, name0[128], name1[128]; - static ibool inited = false; - - if (inited) - return mask; - memset(EVT.joyMin,0,sizeof(EVT.joyMin)); - memset(EVT.joyCenter,0,sizeof(EVT.joyCenter)); - memset(EVT.joyMax,0,sizeof(EVT.joyMax)); - memset(EVT.joyPrev,0,sizeof(EVT.joyPrev)); - EVT.joyButState = 0; - if ((tmp = getenv(ENV_JOYDEV0)) != NULL) - strcpy(joystick0_dev,tmp); - if ((tmp = getenv(ENV_JOYDEV1)) != NULL) - strcpy(joystick1_dev,tmp); - if ((joystick0_fd = open(joystick0_dev, O_RDONLY)) < 0) - joystick0_fd = 0; - if ((joystick1_fd = open(joystick1_dev, O_RDONLY)) < 0) - joystick1_fd = 0; - if (!joystick0_fd && !joystick1_fd) /* No joysticks detected */ - return 0; - inited = true; - if (ioctl(joystick0_fd ? joystick0_fd : joystick1_fd, JSIOCGVERSION, &js_version) < 0) - return 0; - - /* Initialise joystick 0 */ - if (joystick0_fd) { - ioctl(joystick0_fd, JSIOCGNAME(sizeof(name0)), name0); - if (js_version & ~0xffff) { - struct js_event js; - - ioctl(joystick0_fd, JSIOCGAXES, &js0_axes); - ioctl(joystick0_fd, JSIOCGBUTTONS, &js0_buttons); - axis0 = PM_calloc((int)js0_axes, sizeof(short)); - buts0 = PM_malloc((int)js0_buttons); - /* Read the initial events */ - while(dataReady(joystick0_fd) - && read(joystick0_fd, &js, sizeof(struct js_event)) == sizeof(struct js_event) - && (js.type & JS_EVENT_INIT) - ) { - if (js.type & JS_EVENT_BUTTON) - buts0[js.number] = js.value; - else if (js.type & JS_EVENT_AXIS) - axis0[js.number] = scaleJoyAxis(js.value,js.number); - } - } - else { - js0_axes = 2; - js0_buttons = 2; - axis0 = PM_calloc((int)js0_axes, sizeof(short)); - buts0 = PM_malloc((int)js0_buttons); - } - } - - /* Initialise joystick 1 */ - if (joystick1_fd) { - ioctl(joystick1_fd, JSIOCGNAME(sizeof(name1)), name1); - if (js_version & ~0xffff) { - struct js_event js; - - ioctl(joystick1_fd, JSIOCGAXES, &js1_axes); - ioctl(joystick1_fd, JSIOCGBUTTONS, &js1_buttons); - axis1 = PM_calloc((int)js1_axes, sizeof(short)); - buts1 = PM_malloc((int)js1_buttons); - /* Read the initial events */ - while(dataReady(joystick1_fd) - && read(joystick1_fd, &js, sizeof(struct js_event))==sizeof(struct js_event) - && (js.type & JS_EVENT_INIT) - ) { - if (js.type & JS_EVENT_BUTTON) - buts1[js.number] = js.value; - else if (js.type & JS_EVENT_AXIS) - axis1[js.number] = scaleJoyAxis(js.value,js.number<<2); - } - } - else { - js1_axes = 2; - js1_buttons = 2; - axis1 = PM_calloc((int)js1_axes, sizeof(short)); - buts1 = PM_malloc((int)js1_buttons); - } - } - -#ifdef CHECKED - fprintf(stderr,"Using joystick driver version %d.%d.%d\n", - js_version >> 16, (js_version >> 8) & 0xff, js_version & 0xff); - if (joystick0_fd) - fprintf(stderr,"Joystick 1 (%s): %s\n", joystick0_dev, name0); - if (joystick1_fd) - fprintf(stderr,"Joystick 2 (%s): %s\n", joystick1_dev, name1); -#endif - mask = _EVT_readJoyAxis(EVT_JOY_AXIS_ALL,EVT.joyCenter); - if (mask) { - for (i = 0; i < JOY_NUM_AXES; i++) - EVT.joyMax[i] = EVT.joyCenter[i]*2; - } - return mask; -} - -/**************************************************************************** -DESCRIPTION: -Polls the joystick for position and button information. - -HEADER: -event.h - -REMARKS: -This routine is used to poll analogue joysticks for button and position -information. It should be called once for each main loop of the user -application, just before processing all pending events via EVT_getNext. -All information polled from the joystick will be posted to the event -queue for later retrieval. - -Note: Most analogue joysticks will provide readings that change even - though the joystick has not moved. Hence if you call this routine - you will likely get an EVT_JOYMOVE event every time through your - event loop. - -SEE ALSO: -EVT_getNext, EVT_peekNext, EVT_joySetUpperLeft, EVT_joySetLowerRight, -EVT_joySetCenter, EVT_joyIsPresent -****************************************************************************/ -void EVTAPI EVT_pollJoystick(void) -{ - event_t evt; - int i,axis[JOY_NUM_AXES],newButState,mask,moved,ps; - - if ((js_version & ~0xFFFF) == 0 && EVT.joyMask) { - /* Read joystick axes and post movement events if they have - * changed since the last time we polled. Until the events are - * actually flushed, we keep modifying the same joystick movement - * event, so you won't get multiple movement event - */ - mask = _EVT_readJoyAxis(EVT.joyMask,axis); - newButState = _EVT_readJoyButtons(); - moved = false; - for (i = 0; i < JOY_NUM_AXES; i++) { - if (mask & (EVT_JOY_AXIS_X1 << i)) - axis[i] = scaleJoyAxis(axis[i],i); - else - axis[i] = EVT.joyPrev[i]; - if (axis[i] != EVT.joyPrev[i]) - moved = true; - } - if (moved) { - memcpy(EVT.joyPrev,axis,sizeof(EVT.joyPrev)); - ps = _EVT_disableInt(); - if (EVT.oldJoyMove != -1) { - /* Modify the existing joystick movement event */ - EVT.evtq[EVT.oldJoyMove].message = newButState; - EVT.evtq[EVT.oldJoyMove].where_x = EVT.joyPrev[0]; - EVT.evtq[EVT.oldJoyMove].where_y = EVT.joyPrev[1]; - EVT.evtq[EVT.oldJoyMove].relative_x = EVT.joyPrev[2]; - EVT.evtq[EVT.oldJoyMove].relative_y = EVT.joyPrev[3]; - } - else if (EVT.count < EVENTQSIZE) { - /* Add a new joystick movement event */ - EVT.oldJoyMove = EVT.freeHead; - memset(&evt,0,sizeof(evt)); - evt.what = EVT_JOYMOVE; - evt.message = EVT.joyButState; - evt.where_x = EVT.joyPrev[0]; - evt.where_y = EVT.joyPrev[1]; - evt.relative_x = EVT.joyPrev[2]; - evt.relative_y = EVT.joyPrev[3]; - addEvent(&evt); - } - _EVT_restoreInt(ps); - } - - /* Read the joystick buttons, and post events to reflect the change - * in state for the joystick buttons. - */ - if (newButState != EVT.joyButState) { - if (EVT.count < EVENTQSIZE) { - /* Add a new joystick movement event */ - ps = _EVT_disableInt(); - memset(&evt,0,sizeof(evt)); - evt.what = EVT_JOYCLICK; - evt.message = newButState; - EVT.evtq[EVT.oldJoyMove].where_x = EVT.joyPrev[0]; - EVT.evtq[EVT.oldJoyMove].where_y = EVT.joyPrev[1]; - EVT.evtq[EVT.oldJoyMove].relative_x = EVT.joyPrev[2]; - EVT.evtq[EVT.oldJoyMove].relative_y = EVT.joyPrev[3]; - addEvent(&evt); - _EVT_restoreInt(ps); - } - EVT.joyButState = newButState; - } - } -} - -/**************************************************************************** -DESCRIPTION: -Calibrates the joystick upper left position - -HEADER: -event.h - -REMARKS: -This function can be used to zero in on better joystick calibration factors, -which may work better than the default simplistic calibration (which assumes -the joystick is centered when the event library is initialised). -To use this function, ask the user to hold the stick in the upper left -position and then have them press a key or button. and then call this -function. This function will then read the joystick and update the -calibration factors. - -Usually, assuming that the stick was centered when the event library was -initialized, you really only need to call EVT_joySetLowerRight since the -upper left position is usually always 0,0 on most joysticks. However, the -safest procedure is to call all three calibration functions. - -SEE ALSO: -EVT_joySetUpperLeft, EVT_joySetLowerRight, EVT_joyIsPresent -****************************************************************************/ -void EVTAPI EVT_joySetUpperLeft(void) -{ - _EVT_readJoyAxis(EVT_JOY_AXIS_ALL,EVT.joyMin); -} - -/**************************************************************************** -DESCRIPTION: -Calibrates the joystick lower right position - -HEADER: -event.h - -REMARKS: -This function can be used to zero in on better joystick calibration factors, -which may work better than the default simplistic calibration (which assumes -the joystick is centered when the event library is initialised). -To use this function, ask the user to hold the stick in the lower right -position and then have them press a key or button. and then call this -function. This function will then read the joystick and update the -calibration factors. - -Usually, assuming that the stick was centered when the event library was -initialized, you really only need to call EVT_joySetLowerRight since the -upper left position is usually always 0,0 on most joysticks. However, the -safest procedure is to call all three calibration functions. - -SEE ALSO: -EVT_joySetUpperLeft, EVT_joySetCenter, EVT_joyIsPresent -****************************************************************************/ -void EVTAPI EVT_joySetLowerRight(void) -{ - _EVT_readJoyAxis(EVT_JOY_AXIS_ALL,EVT.joyMax); -} - -/**************************************************************************** -DESCRIPTION: -Calibrates the joystick center position - -HEADER: -event.h - -REMARKS: -This function can be used to zero in on better joystick calibration factors, -which may work better than the default simplistic calibration (which assumes -the joystick is centered when the event library is initialised). -To use this function, ask the user to hold the stick in the center -position and then have them press a key or button. and then call this -function. This function will then read the joystick and update the -calibration factors. - -Usually, assuming that the stick was centered when the event library was -initialized, you really only need to call EVT_joySetLowerRight since the -upper left position is usually always 0,0 on most joysticks. However, the -safest procedure is to call all three calibration functions. - -SEE ALSO: -EVT_joySetUpperLeft, EVT_joySetLowerRight, EVT_joySetCenter -****************************************************************************/ -void EVTAPI EVT_joySetCenter(void) -{ - _EVT_readJoyAxis(EVT_JOY_AXIS_ALL,EVT.joyCenter); -} -#endif - -/**************************************************************************** -REMARKS: -Pumps all messages in the message queue from Linux into our event queue. -****************************************************************************/ -static void _EVT_pumpMessages(void) -{ - event_t evt; - int i,numkeys, c; - ibool release; - static struct kbentry ke; - static char buf[KBDREADBUFFERSIZE]; - static ushort repeatKey[128] = {0}; - - /* Poll keyboard events */ - while (dataReady(_PM_console_fd) && (numkeys = read(_PM_console_fd, buf, KBDREADBUFFERSIZE)) > 0) { - for (i = 0; i < numkeys; i++) { - c = buf[i]; - release = c & 0x80; - c &= 0x7F; - - /* TODO: This is wrong! We need this to be the time stamp at */ - /* ** interrupt ** time!! One solution would be to */ - /* put the keyboard and mouse polling loops into */ - /* a separate thread that can block on I/O to the */ - /* necessay file descriptor. */ - evt.when = _EVT_getTicks(); - - if (release) { - /* Key released */ - evt.what = EVT_KEYUP; - switch (c) { - case KB_leftShift: - _PM_modifiers &= ~EVT_LEFTSHIFT; - break; - case KB_rightShift: - _PM_modifiers &= ~EVT_RIGHTSHIFT; - break; - case 29: - _PM_modifiers &= ~(EVT_LEFTCTRL|EVT_CTRLSTATE); - break; - case 97: /* Control */ - _PM_modifiers &= ~EVT_CTRLSTATE; - break; - case 56: - _PM_modifiers &= ~(EVT_LEFTALT|EVT_ALTSTATE); - break; - case 100: - _PM_modifiers &= ~EVT_ALTSTATE; - break; - default: - } - evt.modifiers = _PM_modifiers; - evt.message = keyUpMsg[c]; - if (EVT.count < EVENTQSIZE) - addEvent(&evt); - keyUpMsg[c] = 0; - repeatKey[c] = 0; - } - else { - /* Key pressed */ - evt.what = EVT_KEYDOWN; - switch (c) { - case KB_leftShift: - _PM_modifiers |= EVT_LEFTSHIFT; - break; - case KB_rightShift: - _PM_modifiers |= EVT_RIGHTSHIFT; - break; - case 29: - _PM_modifiers |= EVT_LEFTCTRL|EVT_CTRLSTATE; - break; - case 97: /* Control */ - _PM_modifiers |= EVT_CTRLSTATE; - break; - case 56: - _PM_modifiers |= EVT_LEFTALT|EVT_ALTSTATE; - break; - case 100: - _PM_modifiers |= EVT_ALTSTATE; - break; - case KB_capsLock: /* Caps Lock */ - _PM_leds ^= LED_CAP; - ioctl(_PM_console_fd, KDSETLED, _PM_leds); - break; - case KB_numLock: /* Num Lock */ - _PM_leds ^= LED_NUM; - ioctl(_PM_console_fd, KDSETLED, _PM_leds); - break; - case KB_scrollLock: /* Scroll Lock */ - _PM_leds ^= LED_SCR; - ioctl(_PM_console_fd, KDSETLED, _PM_leds); - break; - default: - } - evt.modifiers = _PM_modifiers; - if (keyUpMsg[c]) { - evt.what = EVT_KEYREPEAT; - evt.message = keyUpMsg[c] | (repeatKey[c]++ << 16); - } - else { - int asc; - - evt.message = getKeyMapping(keymaps, NB_KEYMAPS, c) << 8; - ke.kb_index = c; - ke.kb_table = 0; - if ((_PM_modifiers & EVT_SHIFTKEY) || (_PM_leds & LED_CAP)) - ke.kb_table |= K_SHIFTTAB; - if (_PM_modifiers & (EVT_LEFTALT | EVT_ALTSTATE)) - ke.kb_table |= K_ALTTAB; - if (ioctl(_PM_console_fd, KDGKBENT, (unsigned long)&ke)<0) - perror("ioctl(KDGKBENT)"); - if ((_PM_leds & LED_NUM) && (getKeyMapping(keypad, NB_KEYPAD, c)!=c)) { - asc = getKeyMapping(keypad, NB_KEYPAD, c); - } - else { - switch (c) { - case 14: - asc = ASCII_backspace; - break; - case 15: - asc = ASCII_tab; - break; - case 28: - case 96: - asc = ASCII_enter; - break; - case 1: - asc = ASCII_esc; - default: - asc = ke.kb_value & 0xFF; - if (asc < 0x1B) - asc = 0; - break; - } - } - if ((_PM_modifiers & (EVT_CTRLSTATE|EVT_LEFTCTRL)) && isalpha(asc)) - evt.message |= toupper(asc) - 'A' + 1; - else - evt.message |= asc; - keyUpMsg[c] = evt.message; - repeatKey[c]++; - } - if (EVT.count < EVENTQSIZE) - addEvent(&evt); - } - } - } - - /* Poll mouse events */ - if (_EVT_mouse_fd) { - int dx, dy, buts; - static int oldbuts; - - while (dataReady(_EVT_mouse_fd)) { - if (readMouseData(&buts, &dx, &dy)) { - EVT.mx += dx; - EVT.my += dy; - if (EVT.mx < 0) EVT.mx = 0; - if (EVT.my < 0) EVT.my = 0; - if (EVT.mx > range_x) EVT.mx = range_x; - if (EVT.my > range_y) EVT.my = range_y; - evt.where_x = EVT.mx; - evt.where_y = EVT.my; - evt.relative_x = dx; - evt.relative_y = dy; - - /* TODO: This is wrong! We need this to be the time stamp at */ - /* ** interrupt ** time!! One solution would be to */ - /* put the keyboard and mouse polling loops into */ - /* a separate thread that can block on I/O to the */ - /* necessay file descriptor. */ - evt.when = _EVT_getTicks(); - evt.modifiers = _PM_modifiers; - if (buts & 4) - evt.modifiers |= EVT_LEFTBUT; - if (buts & 1) - evt.modifiers |= EVT_RIGHTBUT; - if (buts & 2) - evt.modifiers |= EVT_MIDDLEBUT; - - /* Left click events */ - if ((buts&4) != (oldbuts&4)) { - if (buts&4) - evt.what = EVT_MOUSEDOWN; - else - evt.what = EVT_MOUSEUP; - evt.message = EVT_LEFTBMASK; - EVT.oldMove = -1; - if (EVT.count < EVENTQSIZE) - addEvent(&evt); - } - - /* Right click events */ - if ((buts&1) != (oldbuts&1)) { - if (buts&1) - evt.what = EVT_MOUSEDOWN; - else - evt.what = EVT_MOUSEUP; - evt.message = EVT_RIGHTBMASK; - EVT.oldMove = -1; - if (EVT.count < EVENTQSIZE) - addEvent(&evt); - } - - /* Middle click events */ - if ((buts&2) != (oldbuts&2)) { - if (buts&2) - evt.what = EVT_MOUSEDOWN; - else - evt.what = EVT_MOUSEUP; - evt.message = EVT_MIDDLEBMASK; - EVT.oldMove = -1; - if (EVT.count < EVENTQSIZE) - addEvent(&evt); - } - - /* Mouse movement event */ - if (dx || dy) { - evt.what = EVT_MOUSEMOVE; - evt.message = 0; - if (EVT.oldMove != -1) { - /* Modify existing movement event */ - EVT.evtq[EVT.oldMove].where_x = evt.where_x; - EVT.evtq[EVT.oldMove].where_y = evt.where_y; - } - else { - /* Save id of this movement event */ - EVT.oldMove = EVT.freeHead; - if (EVT.count < EVENTQSIZE) - addEvent(&evt); - } - } - oldbuts = buts; - } - } - } - -#ifdef USE_OS_JOYSTICK - /* Poll joystick events using the 1.x joystick driver API in the 2.2 kernels */ - if (js_version & ~0xffff) { - static struct js_event js; - - /* Read joystick axis 0 */ - evt.when = 0; - evt.modifiers = _PM_modifiers; - if (joystick0_fd && dataReady(joystick0_fd) && - read(joystick0_fd, &js, sizeof(js)) == sizeof(js)) { - if (js.type & JS_EVENT_BUTTON) { - if (js.number < 2) { /* Only 2 buttons for now :( */ - buts0[js.number] = js.value; - evt.what = EVT_JOYCLICK; - makeJoyEvent(&evt); - if (EVT.count < EVENTQSIZE) - addEvent(&evt); - } - } - else if (js.type & JS_EVENT_AXIS) { - axis0[js.number] = scaleJoyAxis(js.value,js.number); - evt.what = EVT_JOYMOVE; - if (EVT.oldJoyMove != -1) { - makeJoyEvent(&EVT.evtq[EVT.oldJoyMove]); - } - else if (EVT.count < EVENTQSIZE) { - EVT.oldJoyMove = EVT.freeHead; - makeJoyEvent(&evt); - addEvent(&evt); - } - } - } - - /* Read joystick axis 1 */ - if (joystick1_fd && dataReady(joystick1_fd) && - read(joystick1_fd, &js, sizeof(js))==sizeof(js)) { - if (js.type & JS_EVENT_BUTTON) { - if (js.number < 2) { /* Only 2 buttons for now :( */ - buts1[js.number] = js.value; - evt.what = EVT_JOYCLICK; - makeJoyEvent(&evt); - if (EVT.count < EVENTQSIZE) - addEvent(&evt); - } - } - else if (js.type & JS_EVENT_AXIS) { - axis1[js.number] = scaleJoyAxis(js.value,js.number<<2); - evt.what = EVT_JOYMOVE; - if (EVT.oldJoyMove != -1) { - makeJoyEvent(&EVT.evtq[EVT.oldJoyMove]); - } - else if (EVT.count < EVENTQSIZE) { - EVT.oldJoyMove = EVT.freeHead; - makeJoyEvent(&evt); - addEvent(&evt); - } - } - } - } -#endif -} - -/**************************************************************************** -REMARKS: -This macro/function is used to converts the scan codes reported by the -keyboard to our event libraries normalised format. We only have one scan -code for the 'A' key, and use shift _PM_modifiers to determine if it is a -Ctrl-F1, Alt-F1 etc. The raw scan codes from the keyboard work this way, -but the OS gives us 'cooked' scan codes, we have to translate them back -to the raw format. -****************************************************************************/ -#define _EVT_maskKeyCode(evt) - -/**************************************************************************** -REMARKS: -Set the speed of the serial port -****************************************************************************/ -static int setspeed( - int fd, - int old, - int new, - unsigned short flags) -{ - struct termios tty; - char *c; - - tcgetattr(fd, &tty); - tty.c_iflag = IGNBRK | IGNPAR; - tty.c_oflag = 0; - tty.c_lflag = 0; - tty.c_line = 0; - tty.c_cc[VTIME] = 0; - tty.c_cc[VMIN] = 1; - switch (old) { - case 9600: tty.c_cflag = flags | B9600; break; - case 4800: tty.c_cflag = flags | B4800; break; - case 2400: tty.c_cflag = flags | B2400; break; - case 1200: - default: tty.c_cflag = flags | B1200; break; - } - tcsetattr(fd, TCSAFLUSH, &tty); - switch (new) { - case 9600: c = "*q"; tty.c_cflag = flags | B9600; break; - case 4800: c = "*p"; tty.c_cflag = flags | B4800; break; - case 2400: c = "*o"; tty.c_cflag = flags | B2400; break; - case 1200: - default: c = "*n"; tty.c_cflag = flags | B1200; break; - } - write(fd, c, 2); - usleep(100000); - tcsetattr(fd, TCSAFLUSH, &tty); - return 0; -} - -/**************************************************************************** -REMARKS: -Generic mouse driver init code -****************************************************************************/ -static void _EVT_mouse_init(void) -{ - int i; - - /* Change from any available speed to the chosen one */ - for (i = 9600; i >= 1200; i /= 2) - setspeed(_EVT_mouse_fd, i, opt_baud, mouse_infos[mouse_driver].flags); -} - -/**************************************************************************** -REMARKS: -Logitech mouse driver init code -****************************************************************************/ -static void _EVT_logitech_init(void) -{ - int i; - struct stat buf; - int busmouse; - - /* is this a serial- or a bus- mouse? */ - if (fstat(_EVT_mouse_fd,&buf) == -1) - perror("fstat"); - i = MAJOR(buf.st_rdev); - if (stat("/dev/ttyS0",&buf) == -1) - perror("stat"); - busmouse=(i != MAJOR(buf.st_rdev)); - - /* Fix the howmany field, so that serial mice have 1, while busmice have 3 */ - mouse_infos[mouse_driver].read = busmouse ? 3 : 1; - - /* Change from any available speed to the chosen one */ - for (i = 9600; i >= 1200; i /= 2) - setspeed(_EVT_mouse_fd, i, opt_baud, mouse_infos[mouse_driver].flags); - - /* This stuff is peculiar of logitech mice, also for the serial ones */ - write(_EVT_mouse_fd, "S", 1); - setspeed(_EVT_mouse_fd, opt_baud, opt_baud,CS8 |PARENB |PARODD |CREAD |CLOCAL |HUPCL); - - /* Configure the sample rate */ - for (i = 0; opt_sample <= sampletab[i].sample; i++) - ; - write(_EVT_mouse_fd,sampletab[i].code,1); -} - -/**************************************************************************** -REMARKS: -Microsoft Intellimouse init code -****************************************************************************/ -static void _EVT_pnpmouse_init(void) -{ - struct termios tty; - - tcgetattr(_EVT_mouse_fd, &tty); - tty.c_iflag = IGNBRK | IGNPAR; - tty.c_oflag = 0; - tty.c_lflag = 0; - tty.c_line = 0; - tty.c_cc[VTIME] = 0; - tty.c_cc[VMIN] = 1; - tty.c_cflag = mouse_infos[mouse_driver].flags | B1200; - tcsetattr(_EVT_mouse_fd, TCSAFLUSH, &tty); /* set parameters */ -} - -/**************************************************************************** -PARAMETERS: -mouseMove - Callback function to call wheneve the mouse needs to be moved - -REMARKS: -Initiliase the event handling module. Here we install our mouse handling ISR -to be called whenever any button's are pressed or released. We also build -the free list of events in the event queue. - -We use handler number 2 of the mouse libraries interrupt handlers for our -event handling routines. -****************************************************************************/ -void EVTAPI EVT_init( - _EVT_mouseMoveHandler mouseMove) -{ - int i; - char *tmp; - - /* Initialise the event queue */ - EVT.mouseMove = mouseMove; - initEventQueue(); - for (i = 0; i < 256; i++) - keyUpMsg[i] = 0; - - /* Keyboard initialization */ - if (_PM_console_fd == -1) - PM_fatalError("You must first call PM_openConsole to use the EVT functions!"); - _PM_keyboard_rawmode(); - fcntl(_PM_console_fd,F_SETFL,fcntl(_PM_console_fd,F_GETFL) | O_NONBLOCK); - - /* Mouse initialization */ - if ((tmp = getenv(ENV_MOUSEDRV)) != NULL) { - for (i = 0; i < NB_MICE; i++) { - if (!strcasecmp(tmp, mouse_infos[i].name)) { - mouse_driver = i; - break; - } - } - if (i == NB_MICE) { - fprintf(stderr,"Unknown mouse driver: %s\n", tmp); - mouse_driver = EVT_noMouse; - _EVT_mouse_fd = 0; - } - } - if (mouse_driver != EVT_noMouse) { - if (mouse_driver == EVT_gpm) - strcpy(mouse_dev,"/dev/gpmdata"); - if ((tmp = getenv(ENV_MOUSEDEV)) != NULL) - strcpy(mouse_dev,tmp); -#ifdef CHECKED - fprintf(stderr,"Using the %s MGL mouse driver on %s.\n", mouse_infos[mouse_driver].name, mouse_dev); -#endif - if ((_EVT_mouse_fd = open(mouse_dev, O_RDWR)) < 0) { - perror("open"); - fprintf(stderr, "Unable to open mouse device %s, dropping mouse support.\n", mouse_dev); - sleep(1); - mouse_driver = EVT_noMouse; - _EVT_mouse_fd = 0; - } - else { - char c; - - /* Init and flush the mouse pending input queue */ - if (mouse_infos[mouse_driver].init) - mouse_infos[mouse_driver].init(); - while(dataReady(_EVT_mouse_fd) && read(_EVT_mouse_fd, &c, 1) == 1) - ; - } - } -} - -/**************************************************************************** -REMARKS -Changes the range of coordinates returned by the mouse functions to the -specified range of values. This is used when changing between graphics -modes set the range of mouse coordinates for the new display mode. -****************************************************************************/ -void EVTAPI EVT_setMouseRange( - int xRes, - int yRes) -{ - range_x = xRes; - range_y = yRes; -} - -/**************************************************************************** -REMARKS -Modifes the mouse coordinates as necessary if scaling to OS coordinates, -and sets the OS mouse cursor position. -****************************************************************************/ -#define _EVT_setMousePos(x,y) - -/**************************************************************************** -REMARKS: -Initiailises the internal event handling modules. The EVT_suspend function -can be called to suspend event handling (such as when shelling out to DOS), -and this function can be used to resume it again later. -****************************************************************************/ -void EVT_resume(void) -{ - /* Do nothing for Linux */ -} - -/**************************************************************************** -REMARKS -Suspends all of our event handling operations. This is also used to -de-install the event handling code. -****************************************************************************/ -void EVT_suspend(void) -{ - /* Do nothing for Linux */ -} - -/**************************************************************************** -REMARKS -Exits the event module for program terminatation. -****************************************************************************/ -void EVT_exit(void) -{ - /* Restore signal handlers */ - _PM_restore_kb_mode(); - if (_EVT_mouse_fd) { - close(_EVT_mouse_fd); - _EVT_mouse_fd = 0; - } -#ifdef USE_OS_JOYSTICK - if (joystick0_fd) { - close(joystick0_fd); - free(axis0); - free(buts0); - joystick0_fd = 0; - } - if (joystick1_fd) { - close(joystick1_fd); - free(axis1); - free(buts1); - joystick1_fd = 0; - } -#endif -} diff --git a/board/MAI/bios_emulator/scitech/src/pm/linux/event.svga b/board/MAI/bios_emulator/scitech/src/pm/linux/event.svga deleted file mode 100644 index c0358a0f8a..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/linux/event.svga +++ /dev/null @@ -1,1058 +0,0 @@ -/**************************************************************************** -* -* The SuperVGA Kit - UniVBE Software Development Kit -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: IBM PC (MS DOS) -* -* Description: Routines to provide a Linux event queue, which automatically -* handles keyboard and mouse events for the Linux compatability -* libraries. Based on the event handling code in the MGL. -* -****************************************************************************/ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <ctype.h> -#include <termios.h> -#include <signal.h> -#include <fcntl.h> -#include <unistd.h> -#include <errno.h> -#include <sys/time.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <linux/keyboard.h> -#include <linux/kd.h> -#include <linux/vt.h> -#include <gpm.h> -#include "pm.h" -#include "vesavbe.h" -#include "wdirect.h" - -/*--------------------------- Global variables ----------------------------*/ - -#define EVENTQSIZE 100 /* Number of events in event queue */ - -static int head = -1; /* Head of event queue */ -static int tail = -1; /* Tail of event queue */ -static int freeHead = -1; /* Head of free list */ -static int count = 0; /* No. of items currently in queue */ -static WD_event evtq[EVENTQSIZE]; /* The queue structure itself */ -static int oldMove = -1; /* Previous movement event */ -static int oldKey = -1; /* Previous key repeat event */ -static int mx,my; /* Current mouse position */ -static int xRes,yRes; /* Screen resolution coordinates */ -static void *stateBuf; /* Pointer to console state buffer */ -static int conn; /* GPM file descriptor for mouse handling */ -static int tty_fd; /* File descriptor for /dev/console */ -extern int tty_vc; /* Virtual console ID, from the PM/Pro library */ -static ibool key_down[128]; /* State of all keyboard keys */ -static struct termios old_conf; /* Saved terminal configuration */ -static int oldkbmode; /* and previous keyboard mode */ -struct vt_mode oldvtmode; /* Old virtual terminal mode */ -static int old_flags; /* Old flags for fcntl */ -static ulong key_modifiers; /* Keyboard modifiers */ -static int forbid_vt_release=0;/* Flag to forbid release of VT */ -static int forbid_vt_acquire=0;/* Flag to forbid cature of VT */ -static int oldmode; /* Old SVGA mode saved for VT switch*/ -static int initmode; /* Initial text mode */ -static ibool installed = false; /* True if we are installed */ -static void (_ASMAPI *moveCursor)(int x,int y) = NULL; -static int (_ASMAPI *suspendAppCallback)(int flags) = NULL; - -#if 0 -/* Keyboard Translation table from scancodes to ASCII */ - -static uchar keyTable[128] = -"\0\0331234567890-=\010" -"\011qwertyuiop[]\015" -"\0asdfghjkl;'`\0\\" -"zxcvbnm,./\0*\0 \0" -"\0\0\0\0\0\0\0\0\0\0\0\0" /* Function keys */ -"789-456+1230.\0\0\0\0\0" /* Keypad keys */ -"\0\0\0\0\0\0\0\015\0/"; - -static uchar keyTableShifted[128] = -"\0\033!@#$%^&*()_+\010" -"\011QWERTYUIOP{}\015" -"\0ASDFGHJKL:\"~\0|" -"ZXCVBNM<>?\0*\0 \0" -"\0\0\0\0\0\0\0\0\0\0\0\0" /* Function keys */ -"789-456+1230.\0\0\0\0\0" /* Keypad keys */ -"\0\0\0\0\0\0\0\015\0/"; -#endif - -/* Macros to keep track of the CAPS and NUM lock states */ - -#define EVT_CAPSSTATE 0x0100 -#define EVT_NUMSTATE 0x0200 - -/* Helper macros for dealing with timers */ - -#define TICKS_TO_USEC(t) ((t)*65536.0/1.193180) -#define USEC_TO_TICKS(u) ((u)*1.193180/65536.0) - -/* Number of keycodes to read at a time from the console */ - -#define KBDREADBUFFERSIZE 32 - -/*---------------------------- Implementation -----------------------------*/ - -/**************************************************************************** -REMARKS: -Returns the current time stamp in units of 18.2 ticks per second. -****************************************************************************/ -static ulong getTimeStamp(void) -{ - return (ulong)(clock() / (CLOCKS_PER_SEC / 18.2)); -} - -/**************************************************************************** -PARAMETERS: -evt - Event to place onto event queue - -REMARKS: -Adds an event to the event queue by tacking it onto the tail of the event -queue. This routine assumes that at least one spot is available on the -freeList for the event to be inserted. -****************************************************************************/ -static void addEvent( - WD_event *evt) -{ - int evtID; - - /* Get spot to place the event from the free list */ - evtID = freeHead; - freeHead = evtq[freeHead].next; - - /* Add to the tail of the event queue */ - evt->next = -1; - evt->prev = tail; - if (tail != -1) - evtq[tail].next = evtID; - else - head = evtID; - tail = evtID; - evtq[evtID] = *evt; - count++; -} - -/**************************************************************************** -PARAMETERS: -what - Event code -message - Event message -modifiers - keyboard modifiers -x - Mouse X position at time of event -y - Mouse Y position at time of event -but_stat - Mouse button status at time of event - -REMARKS: -Adds a new mouse event to the event queue. This routine is called from -within the mouse interrupt subroutine, so it must be efficient. -****************************************************************************/ -static void addMouseEvent( - uint what, - uint message, - int x, - int y, - uint but_stat) -{ - WD_event evt; - - if (count < EVENTQSIZE) { - evt.what = what; - evt.when = getTimeStamp(); - evt.message = message; - evt.modifiers = but_stat | key_modifiers; - evt.where_x = x; - evt.where_y = y; - fprintf(stderr, "(%d,%d), buttons %ld\n", x,y, evt.modifiers); - addEvent(&evt); /* Add to tail of event queue */ - } -} - -/**************************************************************************** -PARAMETERS: -scancode - Raw keyboard scan code -modifiers - Keyboard modifiers flags - -REMARKS: -Converts the raw scan code into the appropriate ASCII code using the scan -code and the keyboard modifier flags. -****************************************************************************/ -static ulong getKeyMessage( - uint scancode, - ulong modifiers) -{ - ushort code = scancode << 8; - ushort ascii; - struct kbentry ke; - - ke.kb_index = scancode; - - /* Find the basic ASCII code for the scan code */ - if (modifiers & EVT_CAPSSTATE) { - if (modifiers & EVT_SHIFTKEY) - ke.kb_table = K_NORMTAB; - // ascii = tolower(keyTableShifted[scancode]); - else - ke.kb_table = K_SHIFTTAB; - // ascii = toupper(keyTable[scancode]); - } - else { - if (modifiers & EVT_SHIFTKEY) - ke.kb_table = K_SHIFTTAB; - // ascii = keyTableShifted[scancode]; - else - ke.kb_table = K_NORMTAB; - // ascii = keyTable[scancode]; - } - if(modifiers & EVT_ALTSTATE) - ke.kb_table |= K_ALTTAB; - - if (ioctl(tty_fd, KDGKBENT, (unsigned long)&ke)) { - fprintf(stderr, "KDGKBENT at index %d in table %d: ", - scancode, ke.kb_table); - return 0; - } - ascii = ke.kb_value; - - /* Add ASCII code if key is not alt'ed or ctrl'ed */ - if (!(modifiers & (EVT_ALTSTATE | EVT_CTRLSTATE))) - code |= ascii; - - return code; -} - -/**************************************************************************** -PARAMETERS: -what - Event code -scancode - Raw scancode of keyboard event to add - -REMARKS: -Adds a new keyboard event to the event queue. We only take KEYUP and -KEYDOWN event codes, however if a key is already down we convert the KEYDOWN -to a KEYREPEAT. -****************************************************************************/ -static void addKeyEvent( - uint what, - uint scancode) -{ - WD_event evt; - - if (count < EVENTQSIZE) { - evt.what = what; - evt.when = getTimeStamp(); - evt.message = getKeyMessage(scancode,key_modifiers) | 0x10000UL; - evt.where_x = evt.where_y = 0; - evt.modifiers = key_modifiers; - if (evt.what == EVT_KEYUP) - key_down[scancode] = false; - else if (evt.what == EVT_KEYDOWN) { - if (key_down[scancode]) { - if (oldKey != -1) { - evtq[oldKey].message += 0x10000UL; - } - else { - evt.what = EVT_KEYREPEAT; - oldKey = freeHead; - addEvent(&evt); - oldMove = -1; - } - return; - } - key_down[scancode] = true; - } - - addEvent(&evt); - oldMove = -1; - } -} - -/**************************************************************************** -PARAMETERS: -sig - Signal being sent to this signal handler - -REMARKS: -Signal handler for the timer. This routine takes care of periodically -posting timer events to the event queue. -****************************************************************************/ -void timerHandler( - int sig) -{ - WD_event evt; - - if (sig == SIGALRM) { - if (count < EVENTQSIZE) { - evt.when = getTimeStamp(); - evt.what = EVT_TIMERTICK; - evt.message = 0; - evt.where_x = evt.where_y = 0; - evt.modifiers = 0; - addEvent(&evt); - oldMove = -1; - oldKey = -1; - } - signal(SIGALRM, timerHandler); - } -} - -/**************************************************************************** -REMARKS: -Restore the terminal to normal operation on exit -****************************************************************************/ -static void restore_term(void) -{ - RMREGS regs; - - if (installed) { - /* Restore text mode and the state of the console */ - regs.x.ax = 0x3; - PM_int86(0x10,®s,®s); - PM_restoreConsoleState(stateBuf,tty_fd); - - /* Restore console to normal operation */ - ioctl(tty_fd, VT_SETMODE, &oldvtmode); - ioctl(tty_fd, KDSKBMODE, oldkbmode); - tcsetattr(tty_fd, TCSAFLUSH, &old_conf); - fcntl(tty_fd,F_SETFL,old_flags &= ~O_NONBLOCK); - PM_closeConsole(tty_fd); - - /* Close the mouse driver */ - close(conn); - - /* Flag that we are not no longer installed */ - installed = false; - } -} - -/**************************************************************************** -REMARKS: -Signal handler to capture forced program termination conditions so that -we can clean up properly. -****************************************************************************/ -static void exitHandler(int sig) -{ - exit(-1); -} - -/**************************************************************************** -REMARKS: -Sleep until the virtual terminal is active -****************************************************************************/ -void wait_vt_active(void) -{ - while (ioctl(tty_fd, VT_WAITACTIVE, tty_vc) < 0) { - if ((errno != EAGAIN) && (errno != EINTR)) { - perror("ioctl(VT_WAITACTIVE)"); - exit(1); - } - usleep(150000); - } -} - -/**************************************************************************** -REMARKS: -Signal handler called when our virtual terminal has been released and we are -losing the active focus. -****************************************************************************/ -static void release_vt_signal(int n) -{ - forbid_vt_acquire = 1; - if (forbid_vt_release) { - forbid_vt_acquire = 0; - ioctl(tty_fd, VT_RELDISP, 0); - return; - } - - // TODO: Call the user supplied suspendAppCallback and restore text - // mode (saving the existing mode so we can restore it). - // - // Also if the suspendAppCallback is NULL then we have to - // ignore the switch request! - if(suspendAppCallback){ - oldmode = VBE_getVideoMode(); - suspendAppCallback(true); - VBE_setVideoMode(initmode); - } - - ioctl(tty_fd, VT_RELDISP, 1); - forbid_vt_acquire = 0; - wait_vt_active(); -} - -/**************************************************************************** -REMARKS: -Signal handler called when our virtual terminal has been re-aquired and we -are now regaiing the active focus. -****************************************************************************/ -static void acquire_vt_signal(int n) -{ - forbid_vt_release = 1; - if (forbid_vt_acquire) { - forbid_vt_release = 0; - return; - } - - // TODO: Restore the old display mode, call the user suspendAppCallback - // and and we will be back in graphics mode. - - if(suspendAppCallback){ - VBE_setVideoMode(oldmode); - suspendAppCallback(false); - } - - ioctl(tty_fd, VT_RELDISP, VT_ACKACQ); - forbid_vt_release = 0; -} - -/**************************************************************************** -REMARKS: -Function to set the action for a specific signal to call our signal handler. -****************************************************************************/ -static void set_sigaction(int sig,void (*handler)(int)) -{ - struct sigaction siga; - - siga.sa_handler = handler; - siga.sa_flags = SA_RESTART; - memset(&(siga.sa_mask), 0, sizeof(sigset_t)); - sigaction(sig, &siga, NULL); -} - -/**************************************************************************** -REMARKS: -Function to take over control of VT switching so that we can capture -virtual terminal release and aquire signals, allowing us to properly -support VT switching while in graphics modes. -****************************************************************************/ -static void take_vt_control(void) -{ - struct vt_mode vtmode; - - ioctl(tty_fd, VT_GETMODE, &vtmode); - oldvtmode = vtmode; - vtmode.mode = VT_PROCESS; - vtmode.relsig = SIGUSR1; - vtmode.acqsig = SIGUSR2; - set_sigaction(SIGUSR1, release_vt_signal); - set_sigaction(SIGUSR2, acquire_vt_signal); - ioctl(tty_fd, VT_SETMODE, &oldvtmode); -} - -/**************************************************************************** -REMARKS: -Set the shift keyboard LED's based on the current keyboard modifiers flags. -****************************************************************************/ -static void updateLEDStatus(void) -{ - int state = 0; - if (key_modifiers & EVT_CAPSSTATE) - state |= LED_CAP; - if (key_modifiers & EVT_NUMSTATE) - state |= LED_NUM; - ioctl(tty_fd,KDSETLED,state); -} - -/**************************************************************************** -PARAMETERS: -scancode - Raw scan code to handle - -REMARKS: -Handles the shift key modifiers and keeps track of the shift key states -so that we can return the correct ASCII codes for the keyboard. -****************************************************************************/ -static void toggleModifiers( - int scancode) -{ - static int caps_down = 0,num_down = 0; - - if (scancode & 0x80) { - /* Handle key-release function */ - scancode &= 0x7F; - if (scancode == 0x2A || scancode == 0x36) - key_modifiers &= ~EVT_SHIFTKEY; - else if (scancode == 0x1D || scancode == 0x61) - key_modifiers &= ~EVT_CTRLSTATE; - else if (scancode == 0x38 || scancode == 0x64) - key_modifiers &= ~EVT_ALTSTATE; - else if (scancode == 0x3A) - caps_down = false; - else if (scancode == 0x45) - num_down = false; - } - else { - /* Handle key-down function */ - scancode &= 0x7F; - if (scancode == 0x2A || scancode == 0x36) - key_modifiers |= EVT_SHIFTKEY; - else if (scancode == 0x1D || scancode == 0x61) - key_modifiers |= EVT_CTRLSTATE; - else if (scancode == 0x38 || scancode == 0x64) - key_modifiers |= EVT_ALTSTATE; - else if (scancode == 0x3A) { - if (!caps_down) { - key_modifiers ^= EVT_CAPSSTATE; - updateLEDStatus(); - } - caps_down = true; - } - else if (scancode == 0x45) { - if (!num_down) { - key_modifiers ^= EVT_NUMSTATE; - updateLEDStatus(); - } - num_down = true; - } - } -} - -/*************************************************************************** -REMARKS: -Returns the number of bits that have changed from 0 to 1 -(a negative value means the number of bits that have changed from 1 to 0) - **************************************************************************/ -static int compareBits(short a, short b) -{ - int ret = 0; - if( (a&1) != (b&1) ) ret += (b&1) ? 1 : -1; - if( (a&2) != (b&2) ) ret += (b&2) ? 1 : -1; - if( (a&4) != (b&4) ) ret += (b&4) ? 1 : -1; - return ret; -} - -/*************************************************************************** -REMARKS: -Turns off all keyboard state because we can't rely on them anymore as soon -as we switch VT's -***************************************************************************/ -static void keyboard_clearstate(void) -{ - key_modifiers = 0; - memset(key_down, 0, sizeof(key_down)); -} - -/**************************************************************************** -REMARKS: -Pumps all events from the console event queue into the WinDirect event queue. -****************************************************************************/ -static void pumpEvents(void) -{ - static uchar buf[KBDREADBUFFERSIZE]; - static char data[5]; - static int old_buts, old_mx, old_my; - static struct timeval t; - fd_set fds; - int numkeys,i; - int dx, dy, buts; - - /* Read all pending keypresses from keyboard buffer and process */ - while ((numkeys = read(tty_fd, buf, KBDREADBUFFERSIZE)) > 0) { - for (i = 0; i < numkeys; i++) { - toggleModifiers(buf[i]); - if (key_modifiers & EVT_ALTSTATE){ - int fkey = 0; - - // Do VT switching here for Alt+Fx keypresses - switch(buf[i] & 0x7F){ - case 59 ... 68: /* F1 to F10 */ - fkey = (buf[i] & 0x7F) - 58; - break; - case 87: /* F11 */ - case 88: /* F12 */ - fkey = (buf[i] & 0x7F) - 76; - break; - } - if(fkey){ - struct vt_stat vts; - ioctl(tty_fd, VT_GETSTATE, &vts); - - if(fkey != vts.v_active){ - keyboard_clearstate(); - ioctl(tty_fd, VT_ACTIVATE, fkey); - } - } - } - - if (buf[i] & 0x80) - addKeyEvent(EVT_KEYUP,buf[i] & 0x7F); - else - addKeyEvent(EVT_KEYDOWN,buf[i] & 0x7F); - } - - // TODO: If we want to handle VC switching we will need to do it - // in here so that we can switch away from the VC and then - // switch back to it later. Right now VC switching is disabled - // and in order to enable it we need to save/restore the state - // of the graphics screen (using the suspendAppCallback and - // saving/restoring the state of the current display mode). - - } - - /* Read all pending mouse events and process them */ - if(conn > 0){ - FD_ZERO(&fds); - FD_SET(conn, &fds); - t.tv_sec = t.tv_usec = 0L; - while (select(conn+1, &fds, NULL, NULL, &t) > 0) { - if(read(conn, data, 5) == 5){ - buts = (~data[0]) & 0x07; - dx = (char)(data[1]) + (char)(data[3]); - dy = -((char)(data[2]) + (char)(data[4])); - - mx += dx; my += dy; - - if (dx || dy) - addMouseEvent(EVT_MOUSEMOVE, 0, mx, my, buts); - - if (buts != old_buts){ - int c = compareBits(buts,old_buts); - if(c>0) - addMouseEvent(EVT_MOUSEDOWN, 0, mx, my, buts); - else if(c<0) - addMouseEvent(EVT_MOUSEUP, 0, mx, my, buts); - } - old_mx = mx; old_my = my; - old_buts = buts; - FD_SET(conn, &fds); - t.tv_sec = t.tv_usec = 0L; - } - } - } -} - -/*------------------------ Public interface routines ----------------------*/ - -/**************************************************************************** -PARAMETERS: -which - Which code for event to post -what - Event code for event to post -message - Event message -modifiers - Shift key/mouse button modifiers - -RETURNS: -True if the event was posted, false if queue is full. - -REMARKS: -Posts an event to the event queue. This routine can be used to post any type -of event into the queue. -****************************************************************************/ -ibool _WDAPI WD_postEvent( - ulong which, - uint what, - ulong message, - ulong modifiers) -{ - WD_event evt; - - if (count < EVENTQSIZE) { - /* Save information in event record */ - evt.which = which; - evt.what = what; - evt.when = getTimeStamp(); - evt.message = message; - evt.modifiers = modifiers; - addEvent(&evt); /* Add to tail of event queue */ - return true; - } - else - return false; -} - -/**************************************************************************** -PARAMETERS: -mask - Event mask to use - -REMARKS: -Flushes all the event specified in 'mask' from the event queue. -****************************************************************************/ -void _WDAPI WD_flushEvent( - uint mask) -{ - WD_event evt; - - do { /* Flush all events */ - WD_getEvent(&evt,mask); - } while (evt.what != EVT_NULLEVT); -} - -/**************************************************************************** -PARAMETERS: -evt - Place to store event -mask - Event mask to use - -REMARKS: -Halts program execution until a specified event occurs. The event is -returned. All pending events not in the specified mask will be ignored and -removed from the queue. -****************************************************************************/ -void _WDAPI WD_haltEvent( - WD_event *evt, - uint mask) -{ - do { /* Wait for an event */ - WD_getEvent(evt,EVT_EVERYEVT); - } while (!(evt->what & mask)); -} - -/**************************************************************************** -PARAMETERS: -evt - Place to store event -mask - Event mask to use - -RETURNS: -True if an event was pending. - -REMARKS: -Retrieves the next pending event defined in 'mask' from the event queue. -The event queue is adjusted to reflect the new state after the event has -been removed. -****************************************************************************/ -ibool _WDAPI WD_getEvent( - WD_event *evt, - uint mask) -{ - int evtID,next,prev; - - pumpEvents(); - if (moveCursor) - moveCursor(mx,my); /* Move the mouse cursor */ - evt->what = EVT_NULLEVT; /* Default to null event */ - - if (count) { - for (evtID = head; evtID != -1; evtID = evtq[evtID].next) { - if (evtq[evtID].what & mask) - break; /* Found an event */ - } - if (evtID == -1) - return false; /* Event was not found */ - next = evtq[evtID].next; - prev = evtq[evtID].prev; - if (prev != -1) - evtq[prev].next = next; - else - head = next; - if (next != -1) - evtq[next].prev = prev; - else - tail = prev; - *evt = evtq[evtID]; /* Return the event */ - evtq[evtID].next = freeHead; /* and return to free list */ - freeHead = evtID; - count--; - if (evt->what == EVT_MOUSEMOVE) - oldMove = -1; - if (evt->what == EVT_KEYREPEAT) - oldKey = -1; - } - return evt->what != EVT_NULLEVT; -} - -/**************************************************************************** -PARAMETERS: -evt - Place to store event -mask - Event mask to use - -RETURNS: -True if an event is pending. - -REMARKS: -Peeks at the next pending event defined in 'mask' in the event queue. The -event is not removed from the event queue. -****************************************************************************/ -ibool _WDAPI WD_peekEvent( - WD_event *evt, - uint mask) -{ - int evtID; - - pumpEvents(); - if (moveCursor) - moveCursor(mx,my); /* Move the mouse cursor */ - evt->what = EVT_NULLEVT; /* Default to null event */ - - if (count) { - for (evtID = head; evtID != -1; evtID = evtq[evtID].next) { - if (evtq[evtID].what & mask) - break; /* Found an event */ - } - if (evtID == -1) - return false; /* Event was not found */ - - *evt = evtq[evtID]; /* Return the event */ - } - return evt->what != EVT_NULLEVT; -} - -/**************************************************************************** -PARAMETERS: -hwndMain - Handle to main window -_xRes - X resolution of graphics mode to be used -_yRes - Y resolulion of graphics mode to be used - -RETURNS: -Handle to the fullscreen event window if (we return hwndMain on Linux) - -REMARKS: -Initiliase the event handling module. Here we install our mouse handling -ISR to be called whenever any button's are pressed or released. We also -build the free list of events in the event queue. -****************************************************************************/ -WD_HWND _WDAPI WD_startFullScreen( - WD_HWND hwndMain, - int _xRes, - int _yRes) -{ - int i; - struct termios conf; - if (!installed) { - Gpm_Connect gpm; - - /* Build free list, and initialise global data structures */ - for (i = 0; i < EVENTQSIZE; i++) - evtq[i].next = i+1; - evtq[EVENTQSIZE-1].next = -1; /* Terminate list */ - count = freeHead = 0; - head = tail = -1; - oldMove = -1; - oldKey = -1; - xRes = _xRes; - yRes = _yRes; - - /* Open the console device and initialise it for raw mode */ - tty_fd = PM_openConsole(); - - /* Wait until virtual terminal is active and take over control */ - wait_vt_active(); - take_vt_control(); - - /* Initialise keyboard handling to raw mode */ - if (ioctl(tty_fd, KDGKBMODE, &oldkbmode)) { - printf("WD_startFullScreen: cannot get keyboard mode.\n"); - exit(-1); - } - old_flags = fcntl(tty_fd,F_GETFL); - fcntl(tty_fd,F_SETFL,old_flags |= O_NONBLOCK); - tcgetattr(tty_fd, &conf); - old_conf = conf; - conf.c_lflag &= ~(ICANON | ECHO | ECHOE | ECHOK | ECHONL | NOFLSH | ISIG); - conf.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | BRKINT | PARMRK | INPCK | IUCLC | IXON | IXOFF); - conf.c_iflag |= (IGNBRK | IGNPAR); - conf.c_cc[VMIN] = 1; - conf.c_cc[VTIME] = 0; - conf.c_cc[VSUSP] = 0; - tcsetattr(tty_fd, TCSAFLUSH, &conf); - ioctl(tty_fd, KDSKBMODE, K_MEDIUMRAW); - - /* Clear the keyboard state information */ - memset(key_down, 0, sizeof(key_down)); - ioctl(tty_fd,KDSETLED,key_modifiers = 0); - - /* Initialize the mouse connection - The user *MUST* run gpm with the option -R for this to work (or have a MouseSystems mouse) - */ - if(Gpm_Open(&gpm,0) > 0){ /* GPM available */ - if ((conn = open(GPM_NODE_FIFO,O_RDONLY|O_SYNC)) < 0) - fprintf(stderr,"WD_startFullScreen: Can't open mouse connection.\n"); - }else{ - fprintf(stderr,"Warning: when not using gpm -R, only MouseSystems mice are currently supported.\n"); - if ((conn = open("/dev/mouse",O_RDONLY|O_SYNC)) < 0) - fprintf(stderr,"WD_startFullScreen: Can't open /dev/mouse.\n"); - } - Gpm_Close(); - - /* TODO: Scale the mouse coordinates to the specific resolution */ - - /* Save the state of the console */ - if ((stateBuf = malloc(PM_getConsoleStateSize())) == NULL) { - printf("Out of memory!\n"); - exit(-1); - } - PM_saveConsoleState(stateBuf,tty_fd); - initmode = VBE_getVideoMode(); - - /* Initialize the signal handler for timer events */ - signal(SIGALRM, timerHandler); - - /* Capture termination signals so we can clean up properly */ - signal(SIGTERM, exitHandler); - signal(SIGINT, exitHandler); - signal(SIGQUIT, exitHandler); - atexit(restore_term); - - /* Signal that we are installed */ - installed = true; - } - return hwndMain; -} - -/**************************************************************************** -REMARKS: -Lets the library know when fullscreen graphics mode has been initialized so -that we can properly scale the mouse driver coordinates. -****************************************************************************/ -void _WDAPI WD_inFullScreen(void) -{ - /* Nothing to do in here */ -} - -/**************************************************************************** -REMARKS: -Suspends all of our event handling operations. This is also used to -de-install the event handling code. -****************************************************************************/ -void _WDAPI WD_restoreGDI(void) -{ - restore_term(); -} - -/**************************************************************************** -PARAMETERS: -ticks - Number of ticks between timer tick messages - -RETURNS: -Previous value for the timer tick event spacing. - -REMARKS: -The event module will automatically generate periodic timer tick events for -you, with 'ticks' between each event posting. If you set the value of -'ticks' to 0, the timer tick events are turned off. -****************************************************************************/ -int _WDAPI WD_setTimerTick( - int ticks) -{ - int old; - struct itimerval tim; - long ms = TICKS_TO_USEC(ticks); - - getitimer(ITIMER_REAL, &tim); - old = USEC_TO_TICKS(tim.it_value.tv_sec*1000000.0 + tim.it_value.tv_usec); - tim.it_interval.tv_sec = ms / 1000000; - tim.it_interval.tv_usec = ms % 1000000; - setitimer(ITIMER_REAL, &tim, NULL); - return old; -} - -/**************************************************************************** -PARAMETERS: -saveState - Address of suspend app callback to register - -REMARKS: -Registers a user application supplied suspend application callback so that -we can properly handle virtual terminal switching. -****************************************************************************/ -void _WDAPI WD_setSuspendAppCallback( - int (_ASMAPI *saveState)(int flags)) -{ - suspendAppCallback = saveState; -} - -/**************************************************************************** -PARAMETERS: -x - New X coordinate to move the mouse cursor to -y - New Y coordinate to move the mouse cursor to - -REMARKS: -Moves to mouse cursor to the specified coordinate. -****************************************************************************/ -void _WDAPI WD_setMousePos( - int x, - int y) -{ - mx = x; - my = y; -} - -/**************************************************************************** -PARAMETERS: -x - Place to store X coordinate of mouse cursor -y - Place to store Y coordinate of mouse cursor - -REMARKS: -Reads the current mouse cursor location int *screen* coordinates. -****************************************************************************/ -void _WDAPI WD_getMousePos( - int *x, - int *y) -{ - *x = mx; - *y = my; -} - -/**************************************************************************** -PARAMETERS: -mcb - Address of mouse callback function - -REMARKS: -Registers an application supplied mouse callback function that is called -whenever the mouse cursor moves. -****************************************************************************/ -void _WDAPI WD_setMouseCallback( - void (_ASMAPI *mcb)(int x,int y)) -{ - moveCursor = mcb; -} - -/**************************************************************************** -PARAMETERS: -xRes - New X resolution of graphics mode -yRes - New Y resolution of graphics mode - -REMARKS: -This is called to inform the event handling code that the screen resolution -has changed so that the mouse coordinates can be scaled appropriately. -****************************************************************************/ -void _WDAPI WD_changeResolution( - int xRes, - int yRes) -{ - // Gpm_FitValues(xRes, yRes); // ?? -} - -/**************************************************************************** -PARAMETERS: -scancode - Scan code to check if a key is down - -REMARKS: -Determines if a particular key is down based on the scan code for the key. -****************************************************************************/ -ibool _WDAPI WD_isKeyDown( - uchar scancode) -{ - return key_down[scancode]; -} - -/**************************************************************************** -REMARKS: -Determines if the application needs to run in safe mode. Not necessary for -anything but broken Windows 95 display drivers so we return false for -Linux. -****************************************************************************/ -int _WDAPI WD_isSafeMode(void) -{ - return false; -} - - diff --git a/board/MAI/bios_emulator/scitech/src/pm/linux/oshdr.h b/board/MAI/bios_emulator/scitech/src/pm/linux/oshdr.h deleted file mode 100644 index eadedfb137..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/linux/oshdr.h +++ /dev/null @@ -1,60 +0,0 @@ -/**************************************************************************** -* -* SciTech Multi-platform Graphics Library -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: Linux -* -* Description: Include all the OS specific header files. -* -****************************************************************************/ - -#include <fcntl.h> -#include <sys/time.h> -#include <sys/ioctl.h> -#include <sys/stat.h> -#include <time.h> -#include <linux/keyboard.h> -#include <linux/kd.h> -#include <linux/vt.h> -#include <linux/fs.h> -#ifdef USE_OS_JOYSTICK -#include <linux/joystick.h> -#endif -#include <termios.h> -#include <signal.h> -#include <unistd.h> -#include <ctype.h> -#include <stdlib.h> - -/* Internal global variables */ - -extern int _PM_console_fd,_PM_leds,_PM_modifiers; - -/* Internal function prototypes */ - -void _PM_restore_kb_mode(void); -void _PM_keyboard_rawmode(void); - -/* Linux needs the generic joystick scaling code */ - -#define NEED_SCALE_JOY_AXIS diff --git a/board/MAI/bios_emulator/scitech/src/pm/linux/pm.c b/board/MAI/bios_emulator/scitech/src/pm/linux/pm.c deleted file mode 100644 index c12a83500a..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/linux/pm.c +++ /dev/null @@ -1,1809 +0,0 @@ -;/**************************************************************************** -* -* SciTech OS Portability Manager Library -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Portions copyright (C) Josh Vanderhoof -* -* Language: ANSI C -* Environment: Linux -* -* Description: Implementation for the OS Portability Manager Library, which -* contains functions to implement OS specific services in a -* generic, cross platform API. Porting the OS Portability -* Manager library is the first step to porting any SciTech -* products to a new platform. -* -****************************************************************************/ - -#include "pmapi.h" -#include "drvlib/os/os.h" -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/mman.h> -#include <sys/kd.h> -#include <sys/ioctl.h> -#include <sys/stat.h> -#include <sys/vt.h> -#include <sys/wait.h> -#include <sys/types.h> -#include <sys/time.h> -#include <unistd.h> -#include <termios.h> -#include <fcntl.h> -#include <syscall.h> -#include <signal.h> -#include <time.h> -#include <ctype.h> -#include <errno.h> -#include <asm/io.h> -#include <asm/types.h> -#ifdef ENABLE_MTRR -#include <asm/mtrr.h> -#endif -#include <asm/vm86.h> -#ifdef __GLIBC__ -#include <sys/perm.h> -#endif - -/*--------------------------- Global variables ----------------------------*/ - -#define REAL_MEM_BASE ((void *)0x10000) -#define REAL_MEM_SIZE 0x10000 -#define REAL_MEM_BLOCKS 0x100 -#define DEFAULT_VM86_FLAGS (IF_MASK | IOPL_MASK) -#define DEFAULT_STACK_SIZE 0x1000 -#define RETURN_TO_32_INT 255 - -/* Quick and dirty fix for vm86() syscall from lrmi 0.6 */ -static int -vm86(struct vm86_struct *vm) - { - int r; -#ifdef __PIC__ - asm volatile ( - "pushl %%ebx\n\t" - "movl %2, %%ebx\n\t" - "int $0x80\n\t" - "popl %%ebx" - : "=a" (r) - : "0" (113), "r" (vm)); -#else - asm volatile ( - "int $0x80" - : "=a" (r) - : "0" (113), "b" (vm)); -#endif - return r; - } - - -static struct { - int ready; - unsigned short ret_seg, ret_off; - unsigned short stack_seg, stack_off; - struct vm86_struct vm; - } context = {0}; - -struct mem_block { - unsigned int size : 20; - unsigned int free : 1; - }; - -static struct { - int ready; - int count; - struct mem_block blocks[REAL_MEM_BLOCKS]; - } mem_info = {0}; - -int _PM_console_fd = -1; -int _PM_leds = 0,_PM_modifiers = 0; -static ibool inited = false; -static int tty_vc = 0; -static int console_count = 0; -static int startup_vc; -static int fd_mem = 0; -static ibool in_raw_mode = false; -#ifdef ENABLE_MTRR -static int mtrr_fd; -#endif -static uint VESABuf_len = 1024; /* Length of the VESABuf buffer */ -static void *VESABuf_ptr = NULL; /* Near pointer to VESABuf */ -static uint VESABuf_rseg; /* Real mode segment of VESABuf */ -static uint VESABuf_roff; /* Real mode offset of VESABuf */ -#ifdef TRACE_IO -static ulong traceAddr; -#endif - -static void (PMAPIP fatalErrorCleanup)(void) = NULL; - -/*----------------------------- Implementation ----------------------------*/ - -#ifdef TRACE_IO -extern void printk(char *msg,...); -#endif - -static inline void port_out(int value, int port) -{ -#ifdef TRACE_IO - printk("%04X:%04X: outb.%04X <- %02X\n", traceAddr >> 16, traceAddr & 0xFFFF, (ushort)port, (uchar)value); -#endif - asm volatile ("outb %0,%1" - ::"a" ((unsigned char) value), "d"((unsigned short) port)); -} - -static inline void port_outw(int value, int port) -{ -#ifdef TRACE_IO - printk("%04X:%04X: outw.%04X <- %04X\n", traceAddr >> 16,traceAddr & 0xFFFF, (ushort)port, (ushort)value); -#endif - asm volatile ("outw %0,%1" - ::"a" ((unsigned short) value), "d"((unsigned short) port)); -} - -static inline void port_outl(int value, int port) -{ -#ifdef TRACE_IO - printk("%04X:%04X: outl.%04X <- %08X\n", traceAddr >> 16,traceAddr & 0xFFFF, (ushort)port, (ulong)value); -#endif - asm volatile ("outl %0,%1" - ::"a" ((unsigned long) value), "d"((unsigned short) port)); -} - -static inline unsigned int port_in(int port) -{ - unsigned char value; - asm volatile ("inb %1,%0" - :"=a" ((unsigned char)value) - :"d"((unsigned short) port)); -#ifdef TRACE_IO - printk("%04X:%04X: inb.%04X -> %02X\n", traceAddr >> 16,traceAddr & 0xFFFF, (ushort)port, (uchar)value); -#endif - return value; -} - -static inline unsigned int port_inw(int port) -{ - unsigned short value; - asm volatile ("inw %1,%0" - :"=a" ((unsigned short)value) - :"d"((unsigned short) port)); -#ifdef TRACE_IO - printk("%04X:%04X: inw.%04X -> %04X\n", traceAddr >> 16,traceAddr & 0xFFFF, (ushort)port, (ushort)value); -#endif - return value; -} - -static inline unsigned int port_inl(int port) -{ - unsigned long value; - asm volatile ("inl %1,%0" - :"=a" ((unsigned long)value) - :"d"((unsigned short) port)); -#ifdef TRACE_IO - printk("%04X:%04X: inl.%04X -> %08X\n", traceAddr >> 16,traceAddr & 0xFFFF, (ushort)port, (ulong)value); -#endif - return value; -} - -static int real_mem_init(void) -{ - void *m; - int fd_zero; - - if (mem_info.ready) - return 1; - - if ((fd_zero = open("/dev/zero", O_RDONLY)) == -1) - PM_fatalError("You must have root privledges to run this program!"); - if ((m = mmap((void *)REAL_MEM_BASE, REAL_MEM_SIZE, - PROT_READ | PROT_WRITE | PROT_EXEC, - MAP_FIXED | MAP_PRIVATE, fd_zero, 0)) == (void *)-1) { - close(fd_zero); - PM_fatalError("You must have root privledges to run this program!"); - } - mem_info.ready = 1; - mem_info.count = 1; - mem_info.blocks[0].size = REAL_MEM_SIZE; - mem_info.blocks[0].free = 1; - return 1; -} - -static void insert_block(int i) -{ - memmove( - mem_info.blocks + i + 1, - mem_info.blocks + i, - (mem_info.count - i) * sizeof(struct mem_block)); - mem_info.count++; -} - -static void delete_block(int i) -{ - mem_info.count--; - - memmove( - mem_info.blocks + i, - mem_info.blocks + i + 1, - (mem_info.count - i) * sizeof(struct mem_block)); -} - -static inline void set_bit(unsigned int bit, void *array) -{ - unsigned char *a = array; - a[bit / 8] |= (1 << (bit % 8)); -} - -static inline unsigned int get_int_seg(int i) -{ - return *(unsigned short *)(i * 4 + 2); -} - -static inline unsigned int get_int_off(int i) -{ - return *(unsigned short *)(i * 4); -} - -static inline void pushw(unsigned short i) -{ - struct vm86_regs *r = &context.vm.regs; - r->esp -= 2; - *(unsigned short *)(((unsigned int)r->ss << 4) + r->esp) = i; -} - -ibool PMAPI PM_haveBIOSAccess(void) -{ return true; } - -void PMAPI PM_init(void) -{ - void *m; - uint r_seg,r_off; - - if (inited) - return; - - /* Map the Interrupt Vectors (0x0 - 0x400) + BIOS data (0x400 - 0x502) - * and the physical framebuffer and ROM images from (0xa0000 - 0x100000) - */ - real_mem_init(); - if (!fd_mem && (fd_mem = open("/dev/mem", O_RDWR)) == -1) { - PM_fatalError("You must have root privileges to run this program!"); - } - if ((m = mmap((void *)0, 0x502, - PROT_READ | PROT_WRITE | PROT_EXEC, - MAP_FIXED | MAP_PRIVATE, fd_mem, 0)) == (void *)-1) { - PM_fatalError("You must have root privileges to run this program!"); - } - if ((m = mmap((void *)0xA0000, 0xC0000 - 0xA0000, - PROT_READ | PROT_WRITE, - MAP_FIXED | MAP_SHARED, fd_mem, 0xA0000)) == (void *)-1) { - PM_fatalError("You must have root privileges to run this program!"); - } - if ((m = mmap((void *)0xC0000, 0xD0000 - 0xC0000, - PROT_READ | PROT_WRITE | PROT_EXEC, - MAP_FIXED | MAP_PRIVATE, fd_mem, 0xC0000)) == (void *)-1) { - PM_fatalError("You must have root privileges to run this program!"); - } - if ((m = mmap((void *)0xD0000, 0x100000 - 0xD0000, - PROT_READ | PROT_WRITE, - MAP_FIXED | MAP_SHARED, fd_mem, 0xD0000)) == (void *)-1) { - PM_fatalError("You must have root privileges to run this program!"); - } - inited = 1; - - /* Allocate a stack */ - m = PM_allocRealSeg(DEFAULT_STACK_SIZE,&r_seg,&r_off); - context.stack_seg = r_seg; - context.stack_off = r_off+DEFAULT_STACK_SIZE; - - /* Allocate the return to 32 bit routine */ - m = PM_allocRealSeg(2,&r_seg,&r_off); - context.ret_seg = r_seg; - context.ret_off = r_off; - ((uchar*)m)[0] = 0xCD; /* int opcode */ - ((uchar*)m)[1] = RETURN_TO_32_INT; - memset(&context.vm, 0, sizeof(context.vm)); - - /* Enable kernel emulation of all ints except RETURN_TO_32_INT */ - memset(&context.vm.int_revectored, 0, sizeof(context.vm.int_revectored)); - set_bit(RETURN_TO_32_INT, &context.vm.int_revectored); - context.ready = 1; -#ifdef ENABLE_MTRR - mtrr_fd = open("/dev/cpu/mtrr", O_RDWR, 0); - if (mtrr_fd < 0) - mtrr_fd = open("/proc/mtrr", O_RDWR, 0); -#endif - /* Enable I/O permissions to directly access I/O ports. We break the - * allocation into two parts, one for the ports from 0-0x3FF and - * another for the remaining ports up to 0xFFFF. Standard Linux kernels - * only allow the first 0x400 ports to be enabled, so to enable all - * 65536 ports you need a patched kernel that will enable the full - * 8Kb I/O permissions bitmap. - */ -#ifndef TRACE_IO - ioperm(0x0,0x400,1); - ioperm(0x400,0x10000-0x400,1); -#endif - iopl(3); -} - -long PMAPI PM_getOSType(void) -{ return _OS_LINUX; } - -int PMAPI PM_getModeType(void) -{ return PM_386; } - -void PMAPI PM_backslash(char *s) -{ - uint pos = strlen(s); - if (s[pos-1] != '/') { - s[pos] = '/'; - s[pos+1] = '\0'; - } -} - -void PMAPI PM_setFatalErrorCleanup( - void (PMAPIP cleanup)(void)) -{ - fatalErrorCleanup = cleanup; -} - -void PMAPI PM_fatalError(const char *msg) -{ - if (fatalErrorCleanup) - fatalErrorCleanup(); - fprintf(stderr,"%s\n", msg); - fflush(stderr); - exit(1); -} - -static void ExitVBEBuf(void) -{ - if (VESABuf_ptr) - PM_freeRealSeg(VESABuf_ptr); - VESABuf_ptr = 0; -} - -void * PMAPI PM_getVESABuf(uint *len,uint *rseg,uint *roff) -{ - if (!VESABuf_ptr) { - /* Allocate a global buffer for communicating with the VESA VBE */ - if ((VESABuf_ptr = PM_allocRealSeg(VESABuf_len, &VESABuf_rseg, &VESABuf_roff)) == NULL) - return NULL; - atexit(ExitVBEBuf); - } - *len = VESABuf_len; - *rseg = VESABuf_rseg; - *roff = VESABuf_roff; - return VESABuf_ptr; -} - -/* New raw console based getch and kbhit functions */ - -#define KB_CAPS LED_CAP /* 4 */ -#define KB_NUMLOCK LED_NUM /* 2 */ -#define KB_SCROLL LED_SCR /* 1 */ -#define KB_SHIFT 8 -#define KB_CONTROL 16 -#define KB_ALT 32 - -/* Structure used to save the keyboard mode to disk. We save it to disk - * so that we can properly restore the mode later if the program crashed. - */ - -typedef struct { - struct termios termios; - int kb_mode; - int leds; - int flags; - int startup_vc; - } keyboard_mode; - -/* Name of the file used to save keyboard mode information */ - -#define KBMODE_DAT "kbmode.dat" - -/**************************************************************************** -REMARKS: -Open the keyboard mode file on disk. -****************************************************************************/ -static FILE *open_kb_mode( - char *mode, - char *path) -{ - if (!PM_findBPD("graphics.bpd",path)) - return NULL; - PM_backslash(path); - strcat(path,KBMODE_DAT); - return fopen(path,mode); -} - -/**************************************************************************** -REMARKS: -Restore the keyboard to normal mode -****************************************************************************/ -void _PM_restore_kb_mode(void) -{ - FILE *kbmode; - keyboard_mode mode; - char path[PM_MAX_PATH]; - - if (_PM_console_fd != -1 && (kbmode = open_kb_mode("rb",path)) != NULL) { - if (fread(&mode,1,sizeof(mode),kbmode) == sizeof(mode)) { - if (mode.startup_vc > 0) - ioctl(_PM_console_fd, VT_ACTIVATE, mode.startup_vc); - ioctl(_PM_console_fd, KDSKBMODE, mode.kb_mode); - ioctl(_PM_console_fd, KDSETLED, mode.leds); - tcsetattr(_PM_console_fd, TCSAFLUSH, &mode.termios); - fcntl(_PM_console_fd,F_SETFL,mode.flags); - } - fclose(kbmode); - unlink(path); - in_raw_mode = false; - } -} - -/**************************************************************************** -REMARKS: -Safely abort the event module upon catching a fatal error. -****************************************************************************/ -void _PM_abort( - int signo) -{ - char buf[80]; - - sprintf(buf,"Terminating on signal %d",signo); - _PM_restore_kb_mode(); - PM_fatalError(buf); -} - -/**************************************************************************** -REMARKS: -Put the keyboard into raw mode -****************************************************************************/ -void _PM_keyboard_rawmode(void) -{ - struct termios conf; - FILE *kbmode; - keyboard_mode mode; - char path[PM_MAX_PATH]; - int i; - static int sig_list[] = { - SIGHUP, - SIGINT, - SIGQUIT, - SIGILL, - SIGTRAP, - SIGABRT, - SIGIOT, - SIGBUS, - SIGFPE, - SIGKILL, - SIGSEGV, - SIGTERM, - }; - - if ((kbmode = open_kb_mode("rb",path)) == NULL) { - if ((kbmode = open_kb_mode("wb",path)) == NULL) - PM_fatalError("Unable to open kbmode.dat file for writing!"); - if (ioctl(_PM_console_fd, KDGKBMODE, &mode.kb_mode)) - perror("KDGKBMODE"); - ioctl(_PM_console_fd, KDGETLED, &mode.leds); - _PM_leds = mode.leds & 0xF; - _PM_modifiers = 0; - tcgetattr(_PM_console_fd, &mode.termios); - conf = mode.termios; - conf.c_lflag &= ~(ICANON | ECHO | ISIG); - conf.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | BRKINT | PARMRK | INPCK | IUCLC | IXON | IXOFF); - conf.c_iflag |= (IGNBRK | IGNPAR); - conf.c_cc[VMIN] = 1; - conf.c_cc[VTIME] = 0; - conf.c_cc[VSUSP] = 0; - tcsetattr(_PM_console_fd, TCSAFLUSH, &conf); - mode.flags = fcntl(_PM_console_fd,F_GETFL); - if (ioctl(_PM_console_fd, KDSKBMODE, K_MEDIUMRAW)) - perror("KDSKBMODE"); - atexit(_PM_restore_kb_mode); - for (i = 0; i < sizeof(sig_list)/sizeof(sig_list[0]); i++) - signal(sig_list[i], _PM_abort); - mode.startup_vc = startup_vc; - if (fwrite(&mode,1,sizeof(mode),kbmode) != sizeof(mode)) - PM_fatalError("Error writing kbmode.dat!"); - fclose(kbmode); - in_raw_mode = true; - } -} - -int PMAPI PM_kbhit(void) -{ - fd_set s; - struct timeval tv = { 0, 0 }; - - if (console_count == 0) - PM_fatalError("You *must* open a console before using PM_kbhit!"); - if (!in_raw_mode) - _PM_keyboard_rawmode(); - FD_ZERO(&s); - FD_SET(_PM_console_fd, &s); - return select(_PM_console_fd+1, &s, NULL, NULL, &tv) > 0; -} - -int PMAPI PM_getch(void) -{ - static uchar c; - int release; - static struct kbentry ke; - - if (console_count == 0) - PM_fatalError("You *must* open a console before using PM_getch!"); - if (!in_raw_mode) - _PM_keyboard_rawmode(); - while (read(_PM_console_fd, &c, 1) > 0) { - release = c & 0x80; - c &= 0x7F; - if (release) { - switch(c){ - case 42: case 54: /* Shift */ - _PM_modifiers &= ~KB_SHIFT; - break; - case 29: case 97: /* Control */ - _PM_modifiers &= ~KB_CONTROL; - break; - case 56: case 100: /* Alt / AltGr */ - _PM_modifiers &= ~KB_ALT; - break; - } - continue; - } - switch (c) { - case 42: case 54: /* Shift */ - _PM_modifiers |= KB_SHIFT; - break; - case 29: case 97: /* Control */ - _PM_modifiers |= KB_CONTROL; - break; - case 56: case 100: /* Alt / AltGr */ - _PM_modifiers |= KB_ALT; - break; - case 58: /* Caps Lock */ - _PM_modifiers ^= KB_CAPS; - ioctl(_PM_console_fd, KDSETLED, _PM_modifiers & 7); - break; - case 69: /* Num Lock */ - _PM_modifiers ^= KB_NUMLOCK; - ioctl(_PM_console_fd, KDSETLED, _PM_modifiers & 7); - break; - case 70: /* Scroll Lock */ - _PM_modifiers ^= KB_SCROLL; - ioctl(_PM_console_fd, KDSETLED, _PM_modifiers & 7); - break; - case 28: - return 0x1C; - default: - ke.kb_index = c; - ke.kb_table = 0; - if ((_PM_modifiers & KB_SHIFT) || (_PM_modifiers & KB_CAPS)) - ke.kb_table |= K_SHIFTTAB; - if (_PM_modifiers & KB_ALT) - ke.kb_table |= K_ALTTAB; - ioctl(_PM_console_fd, KDGKBENT, (ulong)&ke); - c = ke.kb_value & 0xFF; - return c; - } - } - return 0; -} - -/**************************************************************************** -REMARKS: -Sleep until the virtual terminal is active -****************************************************************************/ -static void wait_vt_active( - int _PM_console_fd) -{ - while (ioctl(_PM_console_fd, VT_WAITACTIVE, tty_vc) < 0) { - if ((errno != EAGAIN) && (errno != EINTR)) { - perror("ioctl(VT_WAITACTIVE)"); - exit(1); - } - usleep(150000); - } -} - -/**************************************************************************** -REMARKS: -Checks the owner of the specified virtual console. -****************************************************************************/ -static int check_owner( - int vc) -{ - struct stat sbuf; - char fname[30]; - - sprintf(fname, "/dev/tty%d", vc); - if ((stat(fname, &sbuf) >= 0) && (getuid() == sbuf.st_uid)) - return 1; - printf("You must be the owner of the current console to use this program.\n"); - return 0; -} - -/**************************************************************************** -REMARKS: -Checks if the console is currently in graphics mode, and if so we forcibly -restore it back to text mode again. This handles the case when a Nucleus or -MGL program crashes and leaves the console in graphics mode. Running the -textmode utility (or any other Nucleus/MGL program) via a telnet session -into the machine will restore it back to normal. -****************************************************************************/ -static void restore_text_console( - int console_id) -{ - if (ioctl(console_id, KDSETMODE, KD_TEXT) < 0) - LOGWARN("ioctl(KDSETMODE) failed"); - _PM_restore_kb_mode(); -} - -/**************************************************************************** -REMARKS: -Opens up the console device for output by finding an appropriate virutal -console that we can run on. -****************************************************************************/ -PM_HWND PMAPI PM_openConsole( - PM_HWND hwndUser, - int device, - int xRes, - int yRes, - int bpp, - ibool fullScreen) -{ - struct vt_mode vtm; - struct vt_stat vts; - struct stat sbuf; - char fname[30]; - - /* Check if we have already opened the console */ - if (console_count++) - return _PM_console_fd; - - /* Now, it would be great if we could use /dev/tty and see what it is - * connected to. Alas, we cannot find out reliably what VC /dev/tty is - * bound to. Thus we parse stdin through stderr for a reliable VC. - */ - startup_vc = 0; - for (_PM_console_fd = 0; _PM_console_fd < 3; _PM_console_fd++) { - if (fstat(_PM_console_fd, &sbuf) < 0) - continue; - if (ioctl(_PM_console_fd, VT_GETMODE, &vtm) < 0) - continue; - if ((sbuf.st_rdev & 0xFF00) != 0x400) - continue; - if (!(sbuf.st_rdev & 0xFF)) - continue; - tty_vc = sbuf.st_rdev & 0xFF; - restore_text_console(_PM_console_fd); - return _PM_console_fd; - } - if ((_PM_console_fd = open("/dev/console", O_RDWR)) < 0) { - printf("open_dev_console: can't open /dev/console \n"); - exit(1); - } - if (ioctl(_PM_console_fd, VT_OPENQRY, &tty_vc) < 0) - goto Error; - if (tty_vc <= 0) - goto Error; - sprintf(fname, "/dev/tty%d", tty_vc); - close(_PM_console_fd); - - /* Change our control terminal */ - setsid(); - - /* We must use RDWR to allow for output... */ - if (((_PM_console_fd = open(fname, O_RDWR)) >= 0) && - (ioctl(_PM_console_fd, VT_GETSTATE, &vts) >= 0)) { - if (!check_owner(vts.v_active)) - goto Error; - restore_text_console(_PM_console_fd); - - /* Success, redirect all stdios */ - fflush(stdin); - fflush(stdout); - fflush(stderr); - close(0); - close(1); - close(2); - dup(_PM_console_fd); - dup(_PM_console_fd); - dup(_PM_console_fd); - - /* clear screen and switch to it */ - fwrite("\e[H\e[J", 6, 1, stderr); - fflush(stderr); - if (tty_vc != vts.v_active) { - startup_vc = vts.v_active; - ioctl(_PM_console_fd, VT_ACTIVATE, tty_vc); - wait_vt_active(_PM_console_fd); - } - } - return _PM_console_fd; - -Error: - if (_PM_console_fd > 2) - close(_PM_console_fd); - console_count = 0; - PM_fatalError( - "Not running in a graphics capable console,\n" - "and unable to find one.\n"); - return -1; -} - -#define FONT_C 0x10000 /* 64KB for font data */ - -/**************************************************************************** -REMARKS: -Returns the size of the console state buffer. -****************************************************************************/ -int PMAPI PM_getConsoleStateSize(void) -{ - if (!inited) - PM_init(); - return PM_getVGAStateSize() + FONT_C*2; -} - -/**************************************************************************** -REMARKS: -Save the state of the Linux console. -****************************************************************************/ -void PMAPI PM_saveConsoleState(void *stateBuf,int console_id) -{ - uchar *regs = stateBuf; - - /* Save the current console font */ - if (ioctl(console_id,GIO_FONT,®s[PM_getVGAStateSize()]) < 0) - perror("ioctl(GIO_FONT)"); - - /* Inform the Linux console that we are going into graphics mode */ - if (ioctl(console_id, KDSETMODE, KD_GRAPHICS) < 0) - perror("ioctl(KDSETMODE)"); - - /* Save state of VGA registers */ - PM_saveVGAState(stateBuf); -} - -void PMAPI PM_setSuspendAppCallback(int (_ASMAPIP saveState)(int flags)) -{ - /* TODO: Implement support for allowing console switching! */ -} - -/**************************************************************************** -REMARKS: -Restore the state of the Linux console. -****************************************************************************/ -void PMAPI PM_restoreConsoleState(const void *stateBuf,PM_HWND console_id) -{ - const uchar *regs = stateBuf; - - /* Restore the state of the VGA compatible registers */ - PM_restoreVGAState(stateBuf); - - /* Inform the Linux console that we are back from graphics modes */ - if (ioctl(console_id, KDSETMODE, KD_TEXT) < 0) - LOGWARN("ioctl(KDSETMODE) failed"); - - /* Restore the old console font */ - if (ioctl(console_id,PIO_FONT,®s[PM_getVGAStateSize()]) < 0) - LOGWARN("ioctl(KDSETMODE) failed"); - - /* Coming back from graphics mode on Linux also restored the previous - * text mode console contents, so we need to clear the screen to get - * around this since the cursor does not get homed by our code. - */ - fflush(stdout); - fflush(stderr); - printf("\033[H\033[J"); - fflush(stdout); -} - -/**************************************************************************** -REMARKS: -Close the Linux console and put it back to normal. -****************************************************************************/ -void PMAPI PM_closeConsole(PM_HWND _PM_console_fd) -{ - /* Restore console to normal operation */ - if (--console_count == 0) { - /* Re-activate the original virtual console */ - if (startup_vc > 0) - ioctl(_PM_console_fd, VT_ACTIVATE, startup_vc); - - /* Close the console file descriptor */ - if (_PM_console_fd > 2) - close(_PM_console_fd); - _PM_console_fd = -1; - } -} - -void PM_setOSCursorLocation(int x,int y) -{ - /* Nothing to do in here */ -} - -/**************************************************************************** -REMARKS: -Set the screen width and height for the Linux console. -****************************************************************************/ -void PM_setOSScreenWidth(int width,int height) -{ - struct winsize ws; - struct vt_sizes vs; - - /* Resize the software terminal */ - ws.ws_col = width; - ws.ws_row = height; - ioctl(_PM_console_fd, TIOCSWINSZ, &ws); - - /* And the hardware */ - vs.v_rows = height; - vs.v_cols = width; - vs.v_scrollsize = 0; - ioctl(_PM_console_fd, VT_RESIZE, &vs); -} - -ibool PMAPI PM_setRealTimeClockHandler(PM_intHandler ih, int frequency) -{ - /* TODO: Implement this for Linux */ - return false; -} - -void PMAPI PM_setRealTimeClockFrequency(int frequency) -{ - /* TODO: Implement this for Linux */ -} - -void PMAPI PM_restoreRealTimeClockHandler(void) -{ - /* TODO: Implement this for Linux */ -} - -char * PMAPI PM_getCurrentPath( - char *path, - int maxLen) -{ - return getcwd(path,maxLen); -} - -char PMAPI PM_getBootDrive(void) -{ return '/'; } - -const char * PMAPI PM_getVBEAFPath(void) -{ return PM_getNucleusConfigPath(); } - -const char * PMAPI PM_getNucleusPath(void) -{ - char *env = getenv("NUCLEUS_PATH"); - return env ? env : "/usr/lib/nucleus"; -} - -const char * PMAPI PM_getNucleusConfigPath(void) -{ - static char path[256]; - strcpy(path,PM_getNucleusPath()); - PM_backslash(path); - strcat(path,"config"); - return path; -} - -const char * PMAPI PM_getUniqueID(void) -{ - static char buf[128]; - gethostname(buf, 128); - return buf; -} - -const char * PMAPI PM_getMachineName(void) -{ - static char buf[128]; - gethostname(buf, 128); - return buf; -} - -void * PMAPI PM_getBIOSPointer(void) -{ - static uchar *zeroPtr = NULL; - if (!zeroPtr) - zeroPtr = PM_mapPhysicalAddr(0,0xFFFFF,true); - return (void*)(zeroPtr + 0x400); -} - -void * PMAPI PM_getA0000Pointer(void) -{ - /* PM_init maps in the 0xA0000 framebuffer region 1:1 with our - * address mapping, so we can return the address here. - */ - if (!inited) - PM_init(); - return (void*)(0xA0000); -} - -void * PMAPI PM_mapPhysicalAddr(ulong base,ulong limit,ibool isCached) -{ - uchar *p; - ulong baseAddr,baseOfs; - - if (!inited) - PM_init(); - if (base >= 0xA0000 && base < 0x100000) - return (void*)base; - if (!fd_mem && (fd_mem = open("/dev/mem", O_RDWR)) == -1) - return NULL; - - /* Round the physical address to a 4Kb boundary and the limit to a - * 4Kb-1 boundary before passing the values to mmap. If we round the - * physical address, then we also add an extra offset into the address - * that we return. - */ - baseOfs = base & 4095; - baseAddr = base & ~4095; - limit = ((limit+baseOfs+1+4095) & ~4095)-1; - if ((p = mmap(0, limit+1, - PROT_READ | PROT_WRITE, MAP_SHARED, - fd_mem, baseAddr)) == (void *)-1) - return NULL; - return (void*)(p+baseOfs); -} - -void PMAPI PM_freePhysicalAddr(void *ptr,ulong limit) -{ - if ((ulong)ptr >= 0x100000) - munmap(ptr,limit+1); -} - -ulong PMAPI PM_getPhysicalAddr(void *p) -{ - /* TODO: This function should find the physical address of a linear */ - /* address. */ - return 0xFFFFFFFFUL; -} - -ibool PMAPI PM_getPhysicalAddrRange(void *p,ulong length,ulong *physAddress) -{ - /* TODO: This function should find a range of physical addresses */ - /* for a linear address. */ - return false; -} - -void PMAPI PM_sleep(ulong milliseconds) -{ - /* TODO: Put the process to sleep for milliseconds */ -} - -int PMAPI PM_getCOMPort(int port) -{ - /* TODO: Re-code this to determine real values using the Plug and Play */ - /* manager for the OS. */ - switch (port) { - case 0: return 0x3F8; - case 1: return 0x2F8; - } - return 0; -} - -int PMAPI PM_getLPTPort(int port) -{ - /* TODO: Re-code this to determine real values using the Plug and Play */ - /* manager for the OS. */ - switch (port) { - case 0: return 0x3BC; - case 1: return 0x378; - case 2: return 0x278; - } - return 0; -} - -void * PMAPI PM_mallocShared(long size) -{ - return PM_malloc(size); -} - -void PMAPI PM_freeShared(void *ptr) -{ - PM_free(ptr); -} - -void * PMAPI PM_mapToProcess(void *base,ulong limit) -{ return (void*)base; } - -void * PMAPI PM_mapRealPointer(uint r_seg,uint r_off) -{ - /* PM_init maps in the 0xA0000-0x100000 region 1:1 with our - * address mapping, as well as all memory blocks in a 1:1 address - * mapping so we can simply return the physical address in here. - */ - if (!inited) - PM_init(); - return (void*)MK_PHYS(r_seg,r_off); -} - -void * PMAPI PM_allocRealSeg(uint size,uint *r_seg,uint *r_off) -{ - int i; - char *r = (char *)REAL_MEM_BASE; - - if (!inited) - PM_init(); - if (!mem_info.ready) - return NULL; - if (mem_info.count == REAL_MEM_BLOCKS) - return NULL; - size = (size + 15) & ~15; - for (i = 0; i < mem_info.count; i++) { - if (mem_info.blocks[i].free && size < mem_info.blocks[i].size) { - insert_block(i); - mem_info.blocks[i].size = size; - mem_info.blocks[i].free = 0; - mem_info.blocks[i + 1].size -= size; - *r_seg = (uint)(r) >> 4; - *r_off = (uint)(r) & 0xF; - return (void *)r; - } - r += mem_info.blocks[i].size; - } - return NULL; -} - -void PMAPI PM_freeRealSeg(void *mem) -{ - int i; - char *r = (char *)REAL_MEM_BASE; - - if (!mem_info.ready) - return; - i = 0; - while (mem != (void *)r) { - r += mem_info.blocks[i].size; - i++; - if (i == mem_info.count) - return; - } - mem_info.blocks[i].free = 1; - if (i + 1 < mem_info.count && mem_info.blocks[i + 1].free) { - mem_info.blocks[i].size += mem_info.blocks[i + 1].size; - delete_block(i + 1); - } - if (i - 1 >= 0 && mem_info.blocks[i - 1].free) { - mem_info.blocks[i - 1].size += mem_info.blocks[i].size; - delete_block(i); - } -} - -#define DIRECTION_FLAG (1 << 10) - -static void em_ins(int size) -{ - unsigned int edx, edi; - - edx = context.vm.regs.edx & 0xffff; - edi = context.vm.regs.edi & 0xffff; - edi += (unsigned int)context.vm.regs.ds << 4; - if (context.vm.regs.eflags & DIRECTION_FLAG) { - if (size == 4) - asm volatile ("std; insl; cld" - : "=D" (edi) : "d" (edx), "0" (edi)); - else if (size == 2) - asm volatile ("std; insw; cld" - : "=D" (edi) : "d" (edx), "0" (edi)); - else - asm volatile ("std; insb; cld" - : "=D" (edi) : "d" (edx), "0" (edi)); - } - else { - if (size == 4) - asm volatile ("cld; insl" - : "=D" (edi) : "d" (edx), "0" (edi)); - else if (size == 2) - asm volatile ("cld; insw" - : "=D" (edi) : "d" (edx), "0" (edi)); - else - asm volatile ("cld; insb" - : "=D" (edi) : "d" (edx), "0" (edi)); - } - edi -= (unsigned int)context.vm.regs.ds << 4; - context.vm.regs.edi &= 0xffff0000; - context.vm.regs.edi |= edi & 0xffff; -} - -static void em_rep_ins(int size) -{ - unsigned int ecx, edx, edi; - - ecx = context.vm.regs.ecx & 0xffff; - edx = context.vm.regs.edx & 0xffff; - edi = context.vm.regs.edi & 0xffff; - edi += (unsigned int)context.vm.regs.ds << 4; - if (context.vm.regs.eflags & DIRECTION_FLAG) { - if (size == 4) - asm volatile ("std; rep; insl; cld" - : "=D" (edi), "=c" (ecx) - : "d" (edx), "0" (edi), "1" (ecx)); - else if (size == 2) - asm volatile ("std; rep; insw; cld" - : "=D" (edi), "=c" (ecx) - : "d" (edx), "0" (edi), "1" (ecx)); - else - asm volatile ("std; rep; insb; cld" - : "=D" (edi), "=c" (ecx) - : "d" (edx), "0" (edi), "1" (ecx)); - } - else { - if (size == 4) - asm volatile ("cld; rep; insl" - : "=D" (edi), "=c" (ecx) - : "d" (edx), "0" (edi), "1" (ecx)); - else if (size == 2) - asm volatile ("cld; rep; insw" - : "=D" (edi), "=c" (ecx) - : "d" (edx), "0" (edi), "1" (ecx)); - else - asm volatile ("cld; rep; insb" - : "=D" (edi), "=c" (ecx) - : "d" (edx), "0" (edi), "1" (ecx)); - } - - edi -= (unsigned int)context.vm.regs.ds << 4; - context.vm.regs.edi &= 0xffff0000; - context.vm.regs.edi |= edi & 0xffff; - context.vm.regs.ecx &= 0xffff0000; - context.vm.regs.ecx |= ecx & 0xffff; -} - -static void em_outs(int size) -{ - unsigned int edx, esi; - - edx = context.vm.regs.edx & 0xffff; - esi = context.vm.regs.esi & 0xffff; - esi += (unsigned int)context.vm.regs.ds << 4; - if (context.vm.regs.eflags & DIRECTION_FLAG) { - if (size == 4) - asm volatile ("std; outsl; cld" - : "=S" (esi) : "d" (edx), "0" (esi)); - else if (size == 2) - asm volatile ("std; outsw; cld" - : "=S" (esi) : "d" (edx), "0" (esi)); - else - asm volatile ("std; outsb; cld" - : "=S" (esi) : "d" (edx), "0" (esi)); - } - else { - if (size == 4) - asm volatile ("cld; outsl" - : "=S" (esi) : "d" (edx), "0" (esi)); - else if (size == 2) - asm volatile ("cld; outsw" - : "=S" (esi) : "d" (edx), "0" (esi)); - else - asm volatile ("cld; outsb" - : "=S" (esi) : "d" (edx), "0" (esi)); - } - - esi -= (unsigned int)context.vm.regs.ds << 4; - context.vm.regs.esi &= 0xffff0000; - context.vm.regs.esi |= esi & 0xffff; -} - -static void em_rep_outs(int size) -{ - unsigned int ecx, edx, esi; - - ecx = context.vm.regs.ecx & 0xffff; - edx = context.vm.regs.edx & 0xffff; - esi = context.vm.regs.esi & 0xffff; - esi += (unsigned int)context.vm.regs.ds << 4; - if (context.vm.regs.eflags & DIRECTION_FLAG) { - if (size == 4) - asm volatile ("std; rep; outsl; cld" - : "=S" (esi), "=c" (ecx) - : "d" (edx), "0" (esi), "1" (ecx)); - else if (size == 2) - asm volatile ("std; rep; outsw; cld" - : "=S" (esi), "=c" (ecx) - : "d" (edx), "0" (esi), "1" (ecx)); - else - asm volatile ("std; rep; outsb; cld" - : "=S" (esi), "=c" (ecx) - : "d" (edx), "0" (esi), "1" (ecx)); - } - else { - if (size == 4) - asm volatile ("cld; rep; outsl" - : "=S" (esi), "=c" (ecx) - : "d" (edx), "0" (esi), "1" (ecx)); - else if (size == 2) - asm volatile ("cld; rep; outsw" - : "=S" (esi), "=c" (ecx) - : "d" (edx), "0" (esi), "1" (ecx)); - else - asm volatile ("cld; rep; outsb" - : "=S" (esi), "=c" (ecx) - : "d" (edx), "0" (esi), "1" (ecx)); - } - - esi -= (unsigned int)context.vm.regs.ds << 4; - context.vm.regs.esi &= 0xffff0000; - context.vm.regs.esi |= esi & 0xffff; - context.vm.regs.ecx &= 0xffff0000; - context.vm.regs.ecx |= ecx & 0xffff; -} - -static int emulate(void) -{ - unsigned char *insn; - struct { - unsigned int size : 1; - unsigned int rep : 1; - } prefix = { 0, 0 }; - int i = 0; - - insn = (unsigned char *)((unsigned int)context.vm.regs.cs << 4); - insn += context.vm.regs.eip; - - while (1) { -#ifdef TRACE_IO - traceAddr = ((ulong)context.vm.regs.cs << 16) + context.vm.regs.eip + i; -#endif - if (insn[i] == 0x66) { - prefix.size = 1 - prefix.size; - i++; - } - else if (insn[i] == 0xf3) { - prefix.rep = 1; - i++; - } - else if (insn[i] == 0xf0 || insn[i] == 0xf2 - || insn[i] == 0x26 || insn[i] == 0x2e - || insn[i] == 0x36 || insn[i] == 0x3e - || insn[i] == 0x64 || insn[i] == 0x65 - || insn[i] == 0x67) { - /* these prefixes are just ignored */ - i++; - } - else if (insn[i] == 0x6c) { - if (prefix.rep) - em_rep_ins(1); - else - em_ins(1); - i++; - break; - } - else if (insn[i] == 0x6d) { - if (prefix.rep) { - if (prefix.size) - em_rep_ins(4); - else - em_rep_ins(2); - } - else { - if (prefix.size) - em_ins(4); - else - em_ins(2); - } - i++; - break; - } - else if (insn[i] == 0x6e) { - if (prefix.rep) - em_rep_outs(1); - else - em_outs(1); - i++; - break; - } - else if (insn[i] == 0x6f) { - if (prefix.rep) { - if (prefix.size) - em_rep_outs(4); - else - em_rep_outs(2); - } - else { - if (prefix.size) - em_outs(4); - else - em_outs(2); - } - i++; - break; - } - else if (insn[i] == 0xec) { - *((uchar*)&context.vm.regs.eax) = port_in(context.vm.regs.edx); - i++; - break; - } - else if (insn[i] == 0xed) { - if (prefix.size) - *((ulong*)&context.vm.regs.eax) = port_inl(context.vm.regs.edx); - else - *((ushort*)&context.vm.regs.eax) = port_inw(context.vm.regs.edx); - i++; - break; - } - else if (insn[i] == 0xee) { - port_out(context.vm.regs.eax,context.vm.regs.edx); - i++; - break; - } - else if (insn[i] == 0xef) { - if (prefix.size) - port_outl(context.vm.regs.eax,context.vm.regs.edx); - else - port_outw(context.vm.regs.eax,context.vm.regs.edx); - i++; - break; - } - else - return 0; - } - - context.vm.regs.eip += i; - return 1; -} - -static void debug_info(int vret) -{ - int i; - unsigned char *p; - - fputs("vm86() failed\n", stderr); - fprintf(stderr, "return = 0x%x\n", vret); - fprintf(stderr, "eax = 0x%08lx\n", context.vm.regs.eax); - fprintf(stderr, "ebx = 0x%08lx\n", context.vm.regs.ebx); - fprintf(stderr, "ecx = 0x%08lx\n", context.vm.regs.ecx); - fprintf(stderr, "edx = 0x%08lx\n", context.vm.regs.edx); - fprintf(stderr, "esi = 0x%08lx\n", context.vm.regs.esi); - fprintf(stderr, "edi = 0x%08lx\n", context.vm.regs.edi); - fprintf(stderr, "ebp = 0x%08lx\n", context.vm.regs.ebp); - fprintf(stderr, "eip = 0x%08lx\n", context.vm.regs.eip); - fprintf(stderr, "cs = 0x%04x\n", context.vm.regs.cs); - fprintf(stderr, "esp = 0x%08lx\n", context.vm.regs.esp); - fprintf(stderr, "ss = 0x%04x\n", context.vm.regs.ss); - fprintf(stderr, "ds = 0x%04x\n", context.vm.regs.ds); - fprintf(stderr, "es = 0x%04x\n", context.vm.regs.es); - fprintf(stderr, "fs = 0x%04x\n", context.vm.regs.fs); - fprintf(stderr, "gs = 0x%04x\n", context.vm.regs.gs); - fprintf(stderr, "eflags = 0x%08lx\n", context.vm.regs.eflags); - fputs("cs:ip = [ ", stderr); - p = (unsigned char *)((context.vm.regs.cs << 4) + (context.vm.regs.eip & 0xffff)); - for (i = 0; i < 16; ++i) - fprintf(stderr, "%02x ", (unsigned int)p[i]); - fputs("]\n", stderr); - fflush(stderr); -} - -static int run_vm86(void) -{ - unsigned int vret; - - for (;;) { - vret = vm86(&context.vm); - if (VM86_TYPE(vret) == VM86_INTx) { - unsigned int v = VM86_ARG(vret); - if (v == RETURN_TO_32_INT) - return 1; - pushw(context.vm.regs.eflags); - pushw(context.vm.regs.cs); - pushw(context.vm.regs.eip); - context.vm.regs.cs = get_int_seg(v); - context.vm.regs.eip = get_int_off(v); - context.vm.regs.eflags &= ~(VIF_MASK | TF_MASK); - continue; - } - if (VM86_TYPE(vret) != VM86_UNKNOWN) - break; - if (!emulate()) - break; - } - debug_info(vret); - return 0; -} - -#define IND(ereg) context.vm.regs.ereg = regs->ereg -#define OUTD(ereg) regs->ereg = context.vm.regs.ereg - -void PMAPI DPMI_int86(int intno, DPMI_regs *regs) -{ - if (!inited) - PM_init(); - memset(&context.vm.regs, 0, sizeof(context.vm.regs)); - IND(eax); IND(ebx); IND(ecx); IND(edx); IND(esi); IND(edi); - context.vm.regs.eflags = DEFAULT_VM86_FLAGS; - context.vm.regs.cs = get_int_seg(intno); - context.vm.regs.eip = get_int_off(intno); - context.vm.regs.ss = context.stack_seg; - context.vm.regs.esp = context.stack_off; - pushw(DEFAULT_VM86_FLAGS); - pushw(context.ret_seg); - pushw(context.ret_off); - run_vm86(); - OUTD(eax); OUTD(ebx); OUTD(ecx); OUTD(edx); OUTD(esi); OUTD(edi); - regs->flags = context.vm.regs.eflags; -} - -#define IN(ereg) context.vm.regs.ereg = in->e.ereg -#define OUT(ereg) out->e.ereg = context.vm.regs.ereg - -int PMAPI PM_int86(int intno, RMREGS *in, RMREGS *out) -{ - if (!inited) - PM_init(); - memset(&context.vm.regs, 0, sizeof(context.vm.regs)); - IN(eax); IN(ebx); IN(ecx); IN(edx); IN(esi); IN(edi); - context.vm.regs.eflags = DEFAULT_VM86_FLAGS; - context.vm.regs.cs = get_int_seg(intno); - context.vm.regs.eip = get_int_off(intno); - context.vm.regs.ss = context.stack_seg; - context.vm.regs.esp = context.stack_off; - pushw(DEFAULT_VM86_FLAGS); - pushw(context.ret_seg); - pushw(context.ret_off); - run_vm86(); - OUT(eax); OUT(ebx); OUT(ecx); OUT(edx); OUT(esi); OUT(edi); - out->x.cflag = context.vm.regs.eflags & 1; - return out->x.ax; -} - -int PMAPI PM_int86x(int intno, RMREGS *in, RMREGS *out, - RMSREGS *sregs) -{ - if (!inited) - PM_init(); - if (intno == 0x21) { - time_t today = time(NULL); - struct tm *t; - t = localtime(&today); - out->x.cx = t->tm_year + 1900; - out->h.dh = t->tm_mon + 1; - out->h.dl = t->tm_mday; - } - else { - unsigned int seg, off; - seg = get_int_seg(intno); - off = get_int_off(intno); - memset(&context.vm.regs, 0, sizeof(context.vm.regs)); - IN(eax); IN(ebx); IN(ecx); IN(edx); IN(esi); IN(edi); - context.vm.regs.eflags = DEFAULT_VM86_FLAGS; - context.vm.regs.cs = seg; - context.vm.regs.eip = off; - context.vm.regs.es = sregs->es; - context.vm.regs.ds = sregs->ds; - context.vm.regs.fs = sregs->fs; - context.vm.regs.gs = sregs->gs; - context.vm.regs.ss = context.stack_seg; - context.vm.regs.esp = context.stack_off; - pushw(DEFAULT_VM86_FLAGS); - pushw(context.ret_seg); - pushw(context.ret_off); - run_vm86(); - OUT(eax); OUT(ebx); OUT(ecx); OUT(edx); OUT(esi); OUT(edi); - sregs->es = context.vm.regs.es; - sregs->ds = context.vm.regs.ds; - sregs->fs = context.vm.regs.fs; - sregs->gs = context.vm.regs.gs; - out->x.cflag = context.vm.regs.eflags & 1; - } - return out->e.eax; -} - -#define OUTR(ereg) in->e.ereg = context.vm.regs.ereg - -void PMAPI PM_callRealMode(uint seg,uint off, RMREGS *in, - RMSREGS *sregs) -{ - if (!inited) - PM_init(); - memset(&context.vm.regs, 0, sizeof(context.vm.regs)); - IN(eax); IN(ebx); IN(ecx); IN(edx); IN(esi); IN(edi); - context.vm.regs.eflags = DEFAULT_VM86_FLAGS; - context.vm.regs.cs = seg; - context.vm.regs.eip = off; - context.vm.regs.ss = context.stack_seg; - context.vm.regs.esp = context.stack_off; - context.vm.regs.es = sregs->es; - context.vm.regs.ds = sregs->ds; - context.vm.regs.fs = sregs->fs; - context.vm.regs.gs = sregs->gs; - pushw(DEFAULT_VM86_FLAGS); - pushw(context.ret_seg); - pushw(context.ret_off); - run_vm86(); - OUTR(eax); OUTR(ebx); OUTR(ecx); OUTR(edx); OUTR(esi); OUTR(edi); - sregs->es = context.vm.regs.es; - sregs->ds = context.vm.regs.ds; - sregs->fs = context.vm.regs.fs; - sregs->gs = context.vm.regs.gs; - in->x.cflag = context.vm.regs.eflags & 1; -} - -void PMAPI PM_availableMemory(ulong *physical,ulong *total) -{ - FILE *mem = fopen("/proc/meminfo","r"); - char buf[1024]; - - fgets(buf,1024,mem); - fgets(buf,1024,mem); - sscanf(buf,"Mem: %*d %*d %ld", physical); - fgets(buf,1024,mem); - sscanf(buf,"Swap: %*d %*d %ld", total); - fclose(mem); - *total += *physical; -} - -void * PMAPI PM_allocLockedMem(uint size,ulong *physAddr,ibool contiguous,ibool below16M) -{ - /* TODO: Implement this for Linux */ - return NULL; -} - -void PMAPI PM_freeLockedMem(void *p,uint size,ibool contiguous) -{ - /* TODO: Implement this for Linux */ -} - -void * PMAPI PM_allocPage( - ibool locked) -{ - /* TODO: Implement this for Linux */ - return NULL; -} - -void PMAPI PM_freePage( - void *p) -{ - /* TODO: Implement this for Linux */ -} - -void PMAPI PM_setBankA(int bank) -{ - if (!inited) - PM_init(); - memset(&context.vm.regs, 0, sizeof(context.vm.regs)); - context.vm.regs.eax = 0x4F05; - context.vm.regs.ebx = 0x0000; - context.vm.regs.edx = bank; - context.vm.regs.eflags = DEFAULT_VM86_FLAGS; - context.vm.regs.cs = get_int_seg(0x10); - context.vm.regs.eip = get_int_off(0x10); - context.vm.regs.ss = context.stack_seg; - context.vm.regs.esp = context.stack_off; - pushw(DEFAULT_VM86_FLAGS); - pushw(context.ret_seg); - pushw(context.ret_off); - run_vm86(); -} - -void PMAPI PM_setBankAB(int bank) -{ - if (!inited) - PM_init(); - memset(&context.vm.regs, 0, sizeof(context.vm.regs)); - context.vm.regs.eax = 0x4F05; - context.vm.regs.ebx = 0x0000; - context.vm.regs.edx = bank; - context.vm.regs.eflags = DEFAULT_VM86_FLAGS; - context.vm.regs.cs = get_int_seg(0x10); - context.vm.regs.eip = get_int_off(0x10); - context.vm.regs.ss = context.stack_seg; - context.vm.regs.esp = context.stack_off; - pushw(DEFAULT_VM86_FLAGS); - pushw(context.ret_seg); - pushw(context.ret_off); - run_vm86(); - context.vm.regs.eax = 0x4F05; - context.vm.regs.ebx = 0x0001; - context.vm.regs.edx = bank; - context.vm.regs.eflags = DEFAULT_VM86_FLAGS; - context.vm.regs.cs = get_int_seg(0x10); - context.vm.regs.eip = get_int_off(0x10); - context.vm.regs.ss = context.stack_seg; - context.vm.regs.esp = context.stack_off; - pushw(DEFAULT_VM86_FLAGS); - pushw(context.ret_seg); - pushw(context.ret_off); - run_vm86(); -} - -void PMAPI PM_setCRTStart(int x,int y,int waitVRT) -{ - if (!inited) - PM_init(); - memset(&context.vm.regs, 0, sizeof(context.vm.regs)); - context.vm.regs.eax = 0x4F07; - context.vm.regs.ebx = waitVRT; - context.vm.regs.ecx = x; - context.vm.regs.edx = y; - context.vm.regs.eflags = DEFAULT_VM86_FLAGS; - context.vm.regs.cs = get_int_seg(0x10); - context.vm.regs.eip = get_int_off(0x10); - context.vm.regs.ss = context.stack_seg; - context.vm.regs.esp = context.stack_off; - pushw(DEFAULT_VM86_FLAGS); - pushw(context.ret_seg); - pushw(context.ret_off); - run_vm86(); -} - -int PMAPI PM_enableWriteCombine(ulong base,ulong length,uint type) -{ -#ifdef ENABLE_MTRR - struct mtrr_sentry sentry; - - if (mtrr_fd < 0) - return PM_MTRR_ERR_NO_OS_SUPPORT; - sentry.base = base; - sentry.size = length; - sentry.type = type; - if (ioctl(mtrr_fd, MTRRIOC_ADD_ENTRY, &sentry) == -1) { - /* TODO: Need to decode MTRR error codes!! */ - return PM_MTRR_NOT_SUPPORTED; - } - return PM_MTRR_ERR_OK; -#else - return PM_MTRR_ERR_NO_OS_SUPPORT; -#endif -} - -/**************************************************************************** -PARAMETERS: -callback - Function to callback with write combine information - -REMARKS: -Function to enumerate all write combine regions currently enabled for the -processor. -****************************************************************************/ -int PMAPI PM_enumWriteCombine( - PM_enumWriteCombine_t callback) -{ -#ifdef ENABLE_MTRR - struct mtrr_gentry gentry; - - if (mtrr_fd < 0) - return PM_MTRR_ERR_NO_OS_SUPPORT; - - for (gentry.regnum = 0; ioctl (mtrr_fd, MTRRIOC_GET_ENTRY, &gentry) == 0; - ++gentry.regnum) { - if (gentry.size > 0) { - /* WARNING: This code assumes that the types in pmapi.h match the ones */ - /* in the Linux kernel (mtrr.h) */ - callback(gentry.base, gentry.size, gentry.type); - } - } - - return PM_MTRR_ERR_OK; -#else - return PM_MTRR_ERR_NO_OS_SUPPORT; -#endif -} - -ibool PMAPI PM_doBIOSPOST( - ushort axVal, - ulong BIOSPhysAddr, - void *copyOfBIOS, - ulong BIOSLen) -{ - char *bios_ptr = (char*)0xC0000; - char *old_bios; - ulong Current10, Current6D, *rvec = 0; - RMREGS regs; - RMSREGS sregs; - - /* The BIOS is mapped to 0xC0000 with a private memory mapping enabled - * which means we have a copy on write scheme. Hence we simply copy - * the secondary BIOS image over the top of the old one. - */ - if (!inited) - PM_init(); - if ((old_bios = PM_malloc(BIOSLen)) == NULL) - return false; - if (BIOSPhysAddr != 0xC0000) { - memcpy(old_bios,bios_ptr,BIOSLen); - memcpy(bios_ptr,copyOfBIOS,BIOSLen); - } - - /* The interrupt vectors should already be mmap()'ed from 0-0x400 in PM_init */ - Current10 = rvec[0x10]; - Current6D = rvec[0x6D]; - - /* POST the secondary BIOS */ - rvec[0x10] = rvec[0x42]; /* Restore int 10h to STD-BIOS */ - regs.x.ax = axVal; - PM_callRealMode(0xC000,0x0003,®s,&sregs); - - /* Restore interrupt vectors */ - rvec[0x10] = Current10; - rvec[0x6D] = Current6D; - - /* Restore original BIOS image */ - if (BIOSPhysAddr != 0xC0000) - memcpy(bios_ptr,old_bios,BIOSLen); - PM_free(old_bios); - return true; -} - -int PMAPI PM_lockDataPages(void *p,uint len,PM_lockHandle *lh) -{ - p = p; len = len; - return 1; -} - -int PMAPI PM_unlockDataPages(void *p,uint len,PM_lockHandle *lh) -{ - p = p; len = len; - return 1; -} - -int PMAPI PM_lockCodePages(void (*p)(),uint len,PM_lockHandle *lh) -{ - p = p; len = len; - return 1; -} - -int PMAPI PM_unlockCodePages(void (*p)(),uint len,PM_lockHandle *lh) -{ - p = p; len = len; - return 1; -} - -PM_MODULE PMAPI PM_loadLibrary( - const char *szDLLName) -{ - /* TODO: Implement this to load shared libraries! */ - (void)szDLLName; - return NULL; -} - -void * PMAPI PM_getProcAddress( - PM_MODULE hModule, - const char *szProcName) -{ - /* TODO: Implement this! */ - (void)hModule; - (void)szProcName; - return NULL; -} - -void PMAPI PM_freeLibrary( - PM_MODULE hModule) -{ - /* TODO: Implement this! */ - (void)hModule; -} - -int PMAPI PM_setIOPL( - int level) -{ - /* TODO: Move the IOPL switching into this function!! */ - return level; -} - -void PMAPI PM_flushTLB(void) -{ - /* Do nothing on Linux. */ -} diff --git a/board/MAI/bios_emulator/scitech/src/pm/linux/vflat.c b/board/MAI/bios_emulator/scitech/src/pm/linux/vflat.c deleted file mode 100644 index 579ef2c95c..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/linux/vflat.c +++ /dev/null @@ -1,49 +0,0 @@ -/**************************************************************************** -* -* SciTech OS Portability Manager Library -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: Any -* -* Description: Dummy module; no virtual framebuffer for this OS -* -****************************************************************************/ - -#include "pmapi.h" - -ibool PMAPI VF_available(void) -{ - return false; -} - -void * PMAPI VF_init(ulong baseAddr,int bankSize,int codeLen,void *bankFunc) -{ - baseAddr = baseAddr; - bankSize = bankSize; - codeLen = codeLen; - bankFunc = bankFunc; - return NULL; -} - -void PMAPI VF_exit(void) -{ -} diff --git a/board/MAI/bios_emulator/scitech/src/pm/linux/ztimer.c b/board/MAI/bios_emulator/scitech/src/pm/linux/ztimer.c deleted file mode 100644 index 1b9bae28a6..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/linux/ztimer.c +++ /dev/null @@ -1,95 +0,0 @@ -/**************************************************************************** -* -* Ultra Long Period Timer -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: Linux -* -* Description: Linux specific implementation for the Zen Timer functions. -* -****************************************************************************/ - -#include <unistd.h> -#include <sys/time.h> -#include "pmapi.h" - -/*----------------------------- Implementation ----------------------------*/ - -/**************************************************************************** -REMARKS: -Initialise the Zen Timer module internals. -****************************************************************************/ -void __ZTimerInit(void) -{ -} - -/**************************************************************************** -REMARKS: -Use the gettimeofday() function to get microsecond precision (probably less -though) -****************************************************************************/ -static inline ulong __ULZReadTime(void) -{ - struct timeval t; - gettimeofday(&t, NULL); - return t.tv_sec*1000000 + t.tv_usec; -} - -/**************************************************************************** -REMARKS: -Start the Zen Timer counting. -****************************************************************************/ -#define __LZTimerOn(tm) tm->start.low = __ULZReadTime() - -/**************************************************************************** -REMARKS: -Compute the lap time since the timer was started. -****************************************************************************/ -#define __LZTimerLap(tm) (__ULZReadTime() - tm->start.low) - -/**************************************************************************** -REMARKS: -Call the assembler Zen Timer functions to do the timing. -****************************************************************************/ -#define __LZTimerOff(tm) tm->end.low = __ULZReadTime() - -/**************************************************************************** -REMARKS: -Call the assembler Zen Timer functions to do the timing. -****************************************************************************/ -#define __LZTimerCount(tm) (tm->end.low - tm->start.low) - -/**************************************************************************** -REMARKS: -Define the resolution of the long period timer as microseconds per timer tick. -****************************************************************************/ -#define ULZTIMER_RESOLUTION 1 - -/**************************************************************************** -REMARKS: -Compute the elapsed time from the BIOS timer tick. Note that we check to see -whether a midnight boundary has passed, and if so adjust the finish time to -account for this. We cannot detect if more that one midnight boundary has -passed, so if this happens we will be generating erronous results. -****************************************************************************/ -ulong __ULZElapsedTime(ulong start,ulong finish) -{ return finish - start; } |
