* V3 Console utility
* Taken from Palacios console display in MINIX ( by Erik Van der Kouwe )
* (c) Jack lange, 2010
+ * (c) Peter Dinda, 2011 (Scan code encoding)
*/
#include "v3_ctrl.h"
+static int in_color = 0;
+static int color8 = 0;
+#define TRANS_STYLE(x) ( !color8 ? (x) : ((x)&0x7)|(((x)&0x70)>>1))
+
static int use_curses = 0;
-static int debug_enable = 1;
+static int debug_enable = 0;
typedef enum { CONSOLE_CURS_SET = 1,
if ((c < ' ') || (c >= 127)) {
- fprintf(stderr, "unexpected control character %d\n", c);
+ if (debug_enable) {
+ fprintf(stderr, "unexpected control character %d\n", c);
+ }
c = '?';
}
(msg->x > console.win->_maxx) ||
(msg->y > console.win->_maxy)) {
- fprintf(stderr, "Char out of range (x=%d,y=%d) MAX:(x=%d,y=%d)\n",
- msg->x, msg->y, console.win->_maxx, console.win->_maxy);
+ if (debug_enable) {
+ fprintf(stderr, "Char out of range (x=%d,y=%d) MAX:(x=%d,y=%d)\n",
+ msg->x, msg->y, console.win->_maxx, console.win->_maxy);
+ }
+
return -1;
}
return -1;
}
+ if (in_color) {wattron(console.win, COLOR_PAIR(TRANS_STYLE(msg->style)));}
mvwaddch(console.win, msg->y, msg->x, c);
+ if (in_color) {wattroff(console.win, COLOR_PAIR(TRANS_STYLE(msg->style)));}
} else {
//stdout text display
void handle_exit(void) {
- fprintf(stderr, "Exiting from console terminal\n");
+ if ( debug_enable ) {
+ fprintf(stderr, "Exiting from console terminal\n");
+ }
if (use_curses) {
endwin();
};
static const struct key_code ascii_to_key_code[] = { // ASCII Value Serves as Index
- NO_KEY, NO_KEY, NO_KEY, NO_KEY, // 0x00 - 0x03
- NO_KEY, NO_KEY, NO_KEY, NO_KEY, // 0x04 - 0x07
+ NO_KEY, NO_KEY, {0x50, 0}, {0x48, 0}, // 0x00 - 0x03
+ {0x4B, 0}, {0x4D, 0}, NO_KEY, { 0x0E, 0 }, // 0x04 - 0x07
{ 0x0E, 0 }, { 0x0F, 0 }, { 0x1C, 0 }, NO_KEY, // 0x08 - 0x0B
NO_KEY, { 0x1C, 0 }, NO_KEY, NO_KEY, // 0x0C - 0x0F
NO_KEY, NO_KEY, NO_KEY, NO_KEY, // 0x10 - 0x13
-#define writeit(fd,c) do { fprintf(stderr,"scancode 0x%x\n",(c)); if (write((fd),&(c),1)!=1) { return -1; } } while (0)
+#define writeit(fd,c) do { if (debug_enable) { fprintf(stderr,"scancode 0x%x\n",(c));} if (write((fd),&(c),1)!=1) { return -1; } } while (0)
int send_char_to_palacios_as_scancodes(int fd, unsigned char c)
{
unsigned char sc;
- fprintf(stderr,"key '%c'\n",c);
+ if (debug_enable) {
+ fprintf(stderr,"key '%c'\n",c);
+ }
if (c<0x80) {
struct key_code k = ascii_to_key_code[c];
if (k.scan_code==0 && k.capital==0) {
- fprintf(stderr,"Cannot send key '%c' to palacios as it maps to no scancode\n",c);
+ if (debug_enable) {
+ fprintf(stderr,"Cannot send key '%c' to palacios as it maps to no scancode\n",c);
+ }
} else {
if (k.capital) {
//shift down
} else {
-
- fprintf(stderr,"Cannot send key '%c' to palacios because it is >=0x80\n",c);
-
-/* switch (key) { */
-/* case 0xffe1: //left shift */
-/* scancode = 0x2a; */
-/* break; */
-
-/* case 0xffe2: //right shift */
-/* scancode = 0x36; */
-/* break; */
-
-/* case 0xffe3: //left ctrl */
-/* case 0xffe4: //right ctrl */
-/* scancode = 0x1d; // translated as left ctrl */
-/* break; */
-
-/* case 0xffe7: //left meta */
-/* case 0xffe8: //right meta */
-/* case 0xffe9: //left alt */
-/* case 0xffea: //right alt */
-/* scancode = 0x38; // translated as a left alt */
-/* break; */
-
-/* case 0xff08: // backspace */
-/* scancode = 0x0e; */
-/* break; */
-
-/* case 0xff09: // tab */
-/* scancode = 0x0f; */
-/* break; */
-
-/* case 0xff0d: // return */
-/* scancode = 0x1c; */
-/* break; */
-
-/* case 0xff1b: // escape */
-/* scancode = 0x01; */
-/* break; */
-
-/* case 0xff63: // insert */
-/* scancode = 0x52; */
-/* break; */
-
-/* case 0xffff: // delete */
-/* scancode = 0x53; */
-/* break; */
-
-/* case 0xff50: // home */
-/* scancode = 0x47; */
-/* break; */
-
-/* case 0xff57: // end */
-/* scancode = 0x4f; */
-/* break; */
-
-/* case 0xff55: // pageup */
-/* scancode = 0x49; */
-/* break; */
-
-/* case 0xff56: // pagedown */
-/* scancode = 0x51; */
-/* break; */
-
-/* case 0xff51: // left */
-/* scancode = 0x4b; */
-/* break; */
-
-/* case 0xff52: // up */
-/* scancode = 0x48; */
-/* break; */
-
-/* case 0xff53: // right */
-/* scancode = 0x4d; */
-/* break; */
-
-/* case 0xff54: // down */
-/* scancode = 0x50; */
-/* break; */
-
-/* case 0xffbe: // f1 */
-/* scancode = 0x3b; */
-/* break; */
-/* case 0xffbf: // f2 */
-/* scancode = 0x3c; */
-/* break; */
-/* case 0xffc0: // f3 */
-/* scancode = 0x3d; */
-/* break; */
-/* case 0xffc1: // f4 */
-/* scancode = 0x3e; */
-/* break; */
-/* case 0xffc2: // f5 */
-/* scancode = 0x3f; */
-/* break; */
-/* case 0xffc3: // f6 */
-/* scancode = 0x40; */
-/* break; */
-/* case 0xffc4: // f7 */
-/* scancode = 0x41; */
-/* break; */
-/* case 0xffc5: // f8 */
-/* scancode = 0x42; */
-/* break; */
-/* case 0xffc6: // f9 */
-/* scancode = 0x43; */
-/* break; */
-/* case 0xffc7: // f10 */
-/* scancode = 0x44; */
-/* break; */
-/* case 0xffc8: // f11 */
-/* scancode = 0x57; */
-/* break; */
-/* case 0xffc9: // f12 */
-/* scancode = 0x58; */
-/* break; */
-
-
-/* default: */
-/* scancode = 0; */
-/* fprintf(stderr,"Ignoring key 0x%x (down=%d)\n", key, down); */
-/* } */
-/* } */
-
-/* if (scancode==0) { */
-/* return 0; */
-/* } */
-
-/* return scancode; */
+ if (debug_enable) {
+ fprintf(stderr,"Cannot send key '%c' to palacios because it is >=0x80\n",c);
+ }
+
}
return 0;
}
+
+
+#define MIN_TTY_COLS 80
+#define MIN_TTY_ROWS 25
+int check_terminal_size (void)
+{
+ unsigned short n_cols = 0;
+ unsigned short n_rows = 0;
+ struct winsize winsz;
+
+ ioctl (fileno(stdin), TIOCGWINSZ, &winsz);
+ n_cols = winsz.ws_col;
+ n_rows = winsz.ws_row;
+
+ if (n_cols < MIN_TTY_COLS || n_rows < MIN_TTY_ROWS) {
+ printf ("Your window is not large enough.\n");
+ printf ("It must be at least %dx%d, but yours is %dx%d\n",
+ MIN_TTY_COLS, MIN_TTY_ROWS, n_cols, n_rows);
+ return (-1);
+ }
+
+ /* SUCCESS */
+ return (0);
+}
+
+
+
+static void
+init_colors (void)
+{
+ unsigned short i;
+
+ if (!has_colors()) {
+ fprintf(stderr,"No color support\n");
+ in_color=0;
+ color8=0;
+ return;
+ }
+ start_color();
+
+ if (can_change_color() && COLORS>=16 && COLOR_PAIRS>=256) {
+ fprintf(stderr, "Modifyable color support with enough colors available\n");
+ // initialize first 16 colors to be the PC colors
+ // then create all the pairings
+ for (i=0;i<16;i++) {
+ unsigned short red, green, blue, intens;
+ // i = IRGB (4 bits)
+ intens = i>>3 & 0x1;
+ red = i>>2 & 0x1;
+ green = i>>1 & 0x1;
+ blue = i>>0 & 0x1;
+ init_color(i, 500*(red+intens), 500*(blue+intens), 500*(green+intens));
+ }
+ for (i=0;i<256;i++) {
+ init_pair(i, i & 0xf, (i >> 4) & 0xf);
+ }
+ in_color = 1;
+ color8 = 0;
+ return;
+ } else {
+ if (COLORS!=8 || COLOR_PAIRS<64) {
+ fprintf(stderr,"Insufficient number of fixed colors (%d) or color pairs (%d)\n",COLORS,COLOR_PAIRS);
+ in_color = 0;
+ color8 = 0;
+ return;
+ }
+ // We have only the low-intensity colors available, so
+ // map just to these
+ fprintf(stderr,"Only 8 color standard palette available\n");
+ for (i=0;i<64;i++) {
+ // VGA color order: black, blue, green, cyan, red, magenta, brown, gray
+ // curses color order: black, red, green, yellow, blue, magenta, cyan, white
+ short map[] = { 0, 4, 2, 6, 1, 5, 3, 7 };
+ unsigned short fg, bg;
+ // discard intensity bit
+ bg = (i>>3 & 0x7);
+ fg = i & 0x7;
+ init_pair(i, map[fg], map[bg]);
+ }
+ in_color = 1;
+ color8 = 1;
+ return;
+ }
+}
+
+
int main(int argc, char* argv[]) {
int vm_fd;
int cons_fd;
use_curses = 1;
if (argc < 2) {
- printf("Usage: ./v3_cons <vm_device>\n");
+ printf("usage: v3_cons_sc <vm_device>\n");
return -1;
}
- vm_dev = argv[1];
-
+ /* Check for minimum Terminal size at start */
+ if (0 != check_terminal_size()) {
+ printf ("Error: terminal too small!\n");
+ return -1;
+ }
+ vm_dev = argv[1];
vm_fd = open(vm_dev, O_RDONLY);
}
scrollok(console.win, 1);
+
+ erase();
+ init_colors();
+ //abort();
}
/*
}
}
- if (FD_ISSET(STDIN_FILENO, &rset)) {
- unsigned char key = getch();
-
- if (key == '\\') { // ESC
- break;
- } else if (key == '`') {
- unsigned char sc = 0x44; // F10
- writeit(cons_fd,sc);
- sc |= 0x80;
- writeit(cons_fd,sc);
- }else {
- if (send_char_to_palacios_as_scancodes(cons_fd,key)) {
- fprintf(stderr, "Error sendign key to console\n");
- return -1;
- }
- }
+ if (FD_ISSET(STDIN_FILENO, &rset)) {
+ unsigned char key = getch();
+
+ if (key == '\\') { // ESC
+ break;
+ } else if (key == '`') {
+ unsigned char sc = 0x44; // F10
+ writeit(cons_fd,sc);
+ sc |= 0x80;
+ writeit(cons_fd,sc);
+ } else if (key == '~') { // CTRL-C
+ unsigned char sc;
+ sc = 0x1d; // left ctrl down
+ writeit(cons_fd,sc);
+ sc = 0x2e; // c down
+ writeit(cons_fd,sc);
+ sc = 0x2e | 0x80; // c up
+ writeit(cons_fd,sc);
+ sc = 0x1d | 0x80; // left ctrl up
+ writeit(cons_fd,sc);
+ } else {
+ if (send_char_to_palacios_as_scancodes(cons_fd,key)) {
+ printf("Error sending key to console\n");
+ return -1;
+ }
+ }
}
}
+ erase();
+
+ printf("Console terminated\n");
+
close(cons_fd);
return 0;
