[coreboot] libpayload - damage detection for tinycurses
Jordan Crouse
jordan.crouse at amd.com
Wed Sep 17 18:19:12 CEST 2008
On 17/09/08 16:22 +0200, Stefan Reinauer wrote:
> See patch.
>
> --
> coresystems GmbH • Brahmsstr. 16 • D-79104 Freiburg i. Br.
> Tel.: +49 761 7668825 • Fax: +49 761 7664613
> Email: info at coresystems.de • http://www.coresystems.de/
> Registergericht: Amtsgericht Freiburg • HRB 7656
> Geschäftsführer: Stefan Reinauer • Ust-IdNr.: DE245674866
>
> This patch adds damage detection to libpayload's tinycurses. This significantly
> speeds up serial output with large windows.
>
> It also adds the function curs_set to enable/disable the cursor (video console
> only for now)
>
> Also, use werase in one place to reduce code duplication.
>
> Signed-off-by: Stefan Reinauer <stepan at coresystems.de>
Acked by: Jordan Crouse <jordan.crouse at amd.com>
> diff -urN filo-mainstream/libpayload/curses/tinycurses.c filo-coresystems/libpayload/curses/tinycurses.c
> --- filo-mainstream/libpayload/curses/tinycurses.c 2008-09-12 23:50:57.000000000 +0200
> +++ filo-coresystems/libpayload/curses/tinycurses.c 2008-09-16 01:20:24.000000000 +0200
> @@ -3,6 +3,7 @@
> *
> * Copyright (C) 2007 Uwe Hermann <uwe at hermann-uwe.de>
> * Copyright (C) 2008 Ulf Jordan <jordan at chalmers.se>
> + * Copyright (C) 2008 coresystems GmbH
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> @@ -193,7 +194,18 @@
> int cbreak(void) { /* TODO */ return 0; }
> /* D */ int clearok(WINDOW *win, bool flag) { win->_clear = flag; return OK; }
> // int color_content(short color, short *r, short *g, short *b) {}
> -// int curs_set(int) {}
> +int curs_set(int on)
> +{
> + if (curses_flags & F_ENABLE_SERIAL) {
> + // TODO
> + }
> +
> + if (curses_flags & F_ENABLE_CONSOLE) {
> + video_console_cursor_enable(on);
> + }
> +
> + return OK;
> +}
> // int def_prog_mode(void) {}
> // int def_shell_mode(void) {}
> // int delay_output(int) {}
> @@ -252,7 +264,7 @@
>
> return win;
> }
> -int doupdate(void) { /* TODO */ return(*(int *)0); }
> +int doupdate(void) { /* TODO */ return(0); }
> // WINDOW * dupwin (WINDOW *) {}
> /* D */ int echo(void) { SP->_echo = TRUE; return OK; }
> int endwin(void)
> @@ -281,7 +293,7 @@
> /** Note: Must _not_ be called twice! */
> WINDOW *initscr(void)
> {
> - int x, y, i;
> + int i;
>
> // newterm(name, stdout, stdin);
> // def_prog_mode();
> @@ -305,12 +317,7 @@
> stdscr = newwin(SCREEN_Y, SCREEN_X + 1, 0, 0);
> // TODO: curscr, newscr?
>
> - for (y = 0; y <= stdscr->_maxy; y++) {
> - for (x = 0; x <= stdscr->_maxx; x++) {
> - stdscr->_line[y].text[x].chars[0] = ' ';
> - stdscr->_line[y].text[x].attr = A_NORMAL;
> - }
> - }
> + werase(stdscr);
>
> return stdscr;
> }
> @@ -473,19 +480,27 @@
> return waddstr(win, (char *)&sprintf_tmp);
> }
> // int vwscanw (WINDOW *, NCURSES_CONST char *,va_list) {}
> -// int waddch (WINDOW *, const chtype) {}
> int waddch(WINDOW *win, const chtype ch)
> {
> int code = ERR;
> // NCURSES_CH_T wch;
> // SetChar2(wch, ch);
>
> + if (win->_line[win->_cury].firstchar == _NOCHANGE ||
> + win->_line[win->_cury].firstchar > win->_curx)
> + win->_line[win->_cury].firstchar = win->_curx;
> +
> win->_line[win->_cury].text[win->_curx].chars[0] =
> ((ch) & (chtype)A_CHARTEXT);
>
> win->_line[win->_cury].text[win->_curx].attr = WINDOW_ATTRS(win);
> win->_line[win->_cury].text[win->_curx].attr |=
> ((ch) & (chtype)A_ATTRIBUTES);
> +
> + if (win->_line[win->_cury].lastchar == _NOCHANGE ||
> + win->_line[win->_cury].lastchar < win->_curx)
> + win->_line[win->_cury].lastchar = win->_curx;
> +
> win->_curx++; // FIXME
>
> // if (win && (waddch_nosync(win, wch) != ERR)) {
> @@ -507,6 +522,10 @@
> if (n < 0)
> n = strlen(astr);
>
> + if (win->_line[win->_cury].firstchar == _NOCHANGE ||
> + win->_line[win->_cury].firstchar > win->_curx)
> + win->_line[win->_cury].firstchar = win->_curx;
> +
> while ((n-- > 0) && (*str != '\0')) {
> // while (*str != '\0') {
> win->_line[win->_cury].text[win->_curx].chars[0] = *str++;
> @@ -521,6 +540,11 @@
> // break;
> // }
> }
> +
> + if (win->_line[win->_cury].lastchar == _NOCHANGE ||
> + win->_line[win->_cury].lastchar < win->_curx)
> + win->_line[win->_cury].lastchar = win->_curx;
> +
> return code;
> }
> int wattr_on(WINDOW *win, attr_t at, void *opts GCC_UNUSED)
> @@ -603,6 +627,9 @@
> win->_line[y].text[x].chars[0] = ' ';
> win->_line[y].text[x].attr = WINDOW_ATTRS(win);
> }
> + // Should we check instead?
> + win->_line[y].firstchar = 0;
> + win->_line[y].lastchar = win->_maxx;
> }
> return OK;
> }
> @@ -681,12 +708,16 @@
>
> for (y = 0; y <= win->_maxy; y++) {
>
> + if (win->_line[y].firstchar == _NOCHANGE)
> + continue;
> +
> /* Position the serial cursor */
>
> if (curses_flags & F_ENABLE_SERIAL)
> - serial_set_cursor(win->_begy + y, win->_begx);
> + serial_set_cursor(win->_begy + y, win->_begx +
> + win->_line[y].firstchar);
>
> - for (x = 0; x <= win->_maxx; x++) {
> + for (x = win->_line[y].firstchar; x <= win->_line[y].lastchar; x++) {
> attr_t attr = win->_line[y].text[x].attr;
>
> unsigned int c =
> @@ -734,6 +765,7 @@
> }
>
> serial_putchar(ch);
> +
> }
>
> c = SWAP_RED_BLUE(c);
> @@ -768,8 +800,16 @@
> video_console_putc(win->_begy + y, win->_begx + x, c);
> }
> }
> + win->_line[y].firstchar = _NOCHANGE;
> + win->_line[y].lastchar = _NOCHANGE;
> }
>
> + if (curses_flags & F_ENABLE_SERIAL)
> + serial_set_cursor(win->_begy + win->_cury, win->_begx + win->_curx);
> +
> + if (curses_flags & F_ENABLE_CONSOLE)
> + video_console_set_cursor(win->_begx + win->_curx, win->_begy + win->_cury);
> +
> return OK;
> }
> int wprintw(WINDOW *win, const char *fmt, ...)
> @@ -813,29 +853,49 @@
> // int wscanw (WINDOW *, NCURSES_CONST char *,...) {}
> int wscrl(WINDOW *win, int n)
> {
> + int x, y;
> +
> if (!win->_scroll)
> return ERR;
>
> - if (n != 0) {
> - int x, y;
> + if (n == 0)
> + return OK;
> +
> + for (y = 0; y <= (win->_maxy - n); y++) {
> + win->_line[y].firstchar = win->_line[y + n].firstchar;
> + win->_line[y].lastchar = win->_line[y + n].lastchar;
> + for (x = 0; x <= win->_maxx; x++) {
> + if ((win->_line[y].text[x].chars[0] != win->_line[y + n].text[x].chars[0]) ||
> + (win->_line[y].text[x].attr != win->_line[y + n].text[x].attr)) {
> + if (win->_line[y].firstchar == _NOCHANGE)
> + win->_line[y].firstchar = x;
> +
> + win->_line[y].lastchar = x;
>
> - for (y = 0; y <= (win->_maxy - n); y++) {
> - for (x = 0; x <= win->_maxx; x++) {
> win->_line[y].text[x].chars[0] = win->_line[y + n].text[x].chars[0];
> win->_line[y].text[x].attr = win->_line[y + n].text[x].attr;
> }
> }
> + }
> +
> + for (y = (win->_maxy+1 - n); y <= win->_maxy; y++) {
> + for (x = 0; x <= win->_maxx; x++) {
> + if ((win->_line[y].text[x].chars[0] != ' ') ||
> + (win->_line[y].text[x].attr != A_NORMAL)) {
> + if (win->_line[y].firstchar == _NOCHANGE)
> + win->_line[y].firstchar = x;
> +
> + win->_line[y].lastchar = x;
>
> - for (y = (win->_maxy+1 - n); y <= win->_maxy; y++) {
> - for (x = 0; x <= win->_maxx; x++) {
> win->_line[y].text[x].chars[0] = ' ';
> win->_line[y].text[x].attr = A_NORMAL;
> }
> }
> -
> - // _nc_scroll_window(win, n, win->_regtop, win->_regbottom, win->_nc_bkgd);
> - // _nc_synchook(win);
> }
> +
> + // _nc_scroll_window(win, n, win->_regtop, win->_regbottom, win->_nc_bkgd);
> + // _nc_synchook(win);
> +
> return OK;
> }
> int wsetscrreg(WINDOW *win, int top, int bottom)
> --
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> http://www.coreboot.org/mailman/listinfo/coreboot
--
Jordan Crouse
Systems Software Development Engineer
Advanced Micro Devices, Inc.
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