--- grub-0.95/stage2/asm.S.graphics 2004-06-18 17:35:51.932054040 -0400 +++ grub-0.95/stage2/asm.S 2004-06-18 17:35:52.473971656 -0400 @@ -2215,6 +2215,156 @@ pop %ebx pop %ebp ret + +/* graphics mode functions */ +#ifdef SUPPORT_GRAPHICS +VARIABLE(cursorX) +.word 0 +VARIABLE(cursorY) +.word 0 +VARIABLE(cursorCount) +.word 0 +VARIABLE(cursorBuf) +.byte 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + + +/* + * int set_videomode(mode) + * BIOS call "INT 10H Function 0h" to set video mode + * Call with %ah = 0x0 + * %al = video mode + * Returns old videomode. + */ +ENTRY(set_videomode) + push %ebp + push %ebx + push %ecx + + movb 0x10(%esp), %cl + + call EXT_C(prot_to_real) + .code16 + + xorw %bx, %bx + movb $0xf, %ah + int $0x10 /* Get Current Video mode */ + movb %al, %ch + xorb %ah, %ah + movb %cl, %al + int $0x10 /* Set Video mode */ + + DATA32 call EXT_C(real_to_prot) + .code32 + + xorb %ah, %ah + movb %ch, %al + + pop %ecx + pop %ebx + pop %ebp + ret + + +/* + * unsigned char * graphics_get_font() + * BIOS call "INT 10H Function 11h" to set font + * Call with %ah = 0x11 + */ +ENTRY(graphics_get_font) + push %ebp + push %ebx + push %ecx + push %edx + + call EXT_C(prot_to_real) + .code16 + + movw $0x1130, %ax + movb $6, %bh /* font 8x16 */ + int $0x10 + movw %bp, %dx + movw %es, %cx + + DATA32 call EXT_C(real_to_prot) + .code32 + + xorl %eax, %eax + movw %cx, %ax + shll $4, %eax + movw %dx, %ax + + pop %edx + pop %ecx + pop %ebx + pop %ebp + ret + + + +/* + * graphics_set_palette(index, red, green, blue) + * BIOS call "INT 10H Function 10h" to set individual dac register + * Call with %ah = 0x10 + * %bx = register number + * %ch = new value for green (0-63) + * %cl = new value for blue (0-63) + * %dh = new value for red (0-63) + */ + +ENTRY(graphics_set_palette) + push %ebp + push %eax + push %ebx + push %ecx + push %edx + + movw $0x3c8, %bx /* address write mode register */ + + /* wait vertical retrace */ + + movw $0x3da, %dx +l1b: inb %dx, %al /* wait vertical active display */ + test $8, %al + jnz l1b + +l2b: inb %dx, %al /* wait vertical retrace */ + test $8, %al + jnz l2b + + mov %bx, %dx + movb 0x18(%esp), %al /* index */ + outb %al, %dx + inc %dx + + movb 0x1c(%esp), %al /* red */ + outb %al, %dx + + movb 0x20(%esp), %al /* green */ + outb %al, %dx + + movb 0x24(%esp), %al /* blue */ + outb %al, %dx + + movw 0x18(%esp), %bx + + call EXT_C(prot_to_real) + .code16 + + movb %bl, %bh + movw $0x1000, %ax + int $0x10 + + DATA32 call EXT_C(real_to_prot) + .code32 + + pop %edx + pop %ecx + pop %ebx + pop %eax + pop %ebp + ret + +#endif /* SUPPORT_GRAPHICS */ /* * getrtsecs() --- grub-0.95/stage2/stage2.c.graphics 2004-06-18 17:35:52.314995824 -0400 +++ grub-0.95/stage2/stage2.c 2004-06-18 17:35:52.494968464 -0400 @@ -233,6 +233,7 @@ { int c, time1, time2 = -1, first_entry = 0; char *cur_entry = 0; + struct term_entry *prev_term = NULL; /* * Main loop for menu UI. @@ -807,6 +808,15 @@ cls (); setcursor (1); + /* if our terminal needed initialization, we should shut it down + * before booting the kernel, but we want to save what it was so + * we can come back if needed */ + prev_term = current_term; + if (current_term->shutdown) + { + (*current_term->shutdown)(); + current_term = term_table; /* assumption: console is first */ + } while (1) { @@ -838,6 +848,13 @@ break; } + /* if we get back here, we should go back to what our term was before */ + current_term = prev_term; + if (current_term->startup) + /* if our terminal fails to initialize, fall back to console since + * it should always work */ + if ((*current_term->startup)() == 0) + current_term = term_table; /* we know that console is first */ show_menu = 1; goto restart; } @@ -1082,6 +1099,10 @@ while (is_preset); } + /* go ahead and make sure the terminal is setup */ + if (current_term->startup) + (*current_term->startup)(); + if (! num_entries) { /* If no acceptable config file, goto command-line, starting --- grub-0.95/stage2/builtins.c.graphics 2004-06-18 17:35:52.370987312 -0400 +++ grub-0.95/stage2/builtins.c 2004-06-18 17:35:52.482970288 -0400 @@ -858,6 +858,138 @@ }; #endif /* SUPPORT_NETBOOT */ +static int terminal_func (char *arg, int flags); + +#ifdef SUPPORT_GRAPHICS + +static int splashimage_func(char *arg, int flags) { + char splashimage[64]; + int i; + + /* filename can only be 64 characters due to our buffer size */ + if (strlen(arg) > 63) + return 1; + if (flags == BUILTIN_CMDLINE) { + if (!grub_open(arg)) + return 1; + grub_close(); + } + + strcpy(splashimage, arg); + + /* get rid of TERM_NEED_INIT from the graphics terminal. */ + for (i = 0; term_table[i].name; i++) { + if (grub_strcmp (term_table[i].name, "graphics") == 0) { + term_table[i].flags &= ~TERM_NEED_INIT; + break; + } + } + + graphics_set_splash(splashimage); + + if (flags == BUILTIN_CMDLINE && graphics_inited) { + graphics_end(); + graphics_init(); + graphics_cls(); + } + + /* FIXME: should we be explicitly switching the terminal as a + * side effect here? */ + terminal_func("graphics", flags); + + return 0; +} + +static struct builtin builtin_splashimage = +{ + "splashimage", + splashimage_func, + BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, + "splashimage FILE", + "Load FILE as the background image when in graphics mode." +}; + + +/* foreground */ +static int +foreground_func(char *arg, int flags) +{ + if (grub_strlen(arg) == 6) { + int r = ((hex(arg[0]) << 4) | hex(arg[1])) >> 2; + int g = ((hex(arg[2]) << 4) | hex(arg[3])) >> 2; + int b = ((hex(arg[4]) << 4) | hex(arg[5])) >> 2; + + foreground = (r << 16) | (g << 8) | b; + if (graphics_inited) + graphics_set_palette(15, r, g, b); + + return (0); + } + + return (1); +} + +static struct builtin builtin_foreground = +{ + "foreground", + foreground_func, + BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, + "foreground RRGGBB", + "Sets the foreground color when in graphics mode." + "RR is red, GG is green, and BB blue. Numbers must be in hexadecimal." +}; + + +/* background */ +static int +background_func(char *arg, int flags) +{ + if (grub_strlen(arg) == 6) { + int r = ((hex(arg[0]) << 4) | hex(arg[1])) >> 2; + int g = ((hex(arg[2]) << 4) | hex(arg[3])) >> 2; + int b = ((hex(arg[4]) << 4) | hex(arg[5])) >> 2; + + background = (r << 16) | (g << 8) | b; + if (graphics_inited) + graphics_set_palette(0, r, g, b); + return (0); + } + + return (1); +} + +static struct builtin builtin_background = +{ + "background", + background_func, + BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, + "background RRGGBB", + "Sets the background color when in graphics mode." + "RR is red, GG is green, and BB blue. Numbers must be in hexadecimal." +}; + +#endif /* SUPPORT_GRAPHICS */ + + +/* clear */ +static int +clear_func() +{ + if (current_term->cls) + current_term->cls(); + + return 0; +} + +static struct builtin builtin_clear = +{ + "clear", + clear_func, + BUILTIN_CMDLINE | BUILTIN_HELP_LIST, + "clear", + "Clear the screen" +}; + /* displayapm */ static int @@ -4090,7 +4222,7 @@ }; -#if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) +#if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS) /* terminal */ static int terminal_func (char *arg, int flags) @@ -4249,17 +4381,21 @@ end: current_term = term_table + default_term; current_term->flags = term_flags; - + if (lines) max_lines = lines; else - /* 24 would be a good default value. */ - max_lines = 24; - + max_lines = current_term->max_lines; + /* If the interface is currently the command-line, restart it to repaint the screen. */ - if (current_term != prev_term && (flags & BUILTIN_CMDLINE)) + if ((current_term != prev_term) && (flags & BUILTIN_CMDLINE)){ + if (prev_term->shutdown) + prev_term->shutdown(); + if (current_term->startup) + current_term->startup(); grub_longjmp (restart_cmdline_env, 0); + } return 0; } @@ -4269,7 +4405,7 @@ "terminal", terminal_func, BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, - "terminal [--dumb] [--no-echo] [--no-edit] [--timeout=SECS] [--lines=LINES] [--silent] [console] [serial] [hercules]", + "terminal [--dumb] [--no-echo] [--no-edit] [--timeout=SECS] [--lines=LINES] [--silent] [console] [serial] [hercules] [graphics]", "Select a terminal. When multiple terminals are specified, wait until" " you push any key to continue. If both console and serial are specified," " the terminal to which you input a key first will be selected. If no" @@ -4281,7 +4417,7 @@ " seconds. The option --lines specifies the maximum number of lines." " The option --silent is used to suppress messages." }; -#endif /* SUPPORT_SERIAL || SUPPORT_HERCULES */ +#endif /* SUPPORT_SERIAL || SUPPORT_HERCULES || SUPPORT_GRAPHICS */ #ifdef SUPPORT_SERIAL @@ -4809,6 +4945,9 @@ /* The table of builtin commands. Sorted in dictionary order. */ struct builtin *builtin_table[] = { +#ifdef SUPPORT_GRAPHICS + &builtin_background, +#endif &builtin_blocklist, &builtin_boot, #ifdef SUPPORT_NETBOOT @@ -4816,6 +4955,7 @@ #endif /* SUPPORT_NETBOOT */ &builtin_cat, &builtin_chainloader, + &builtin_clear, &builtin_cmp, &builtin_color, &builtin_configfile, @@ -4835,6 +4975,9 @@ &builtin_embed, &builtin_fallback, &builtin_find, +#ifdef SUPPORT_GRAPHICS + &builtin_foreground, +#endif &builtin_fstest, &builtin_geometry, &builtin_halt, @@ -4878,9 +5021,12 @@ #endif /* SUPPORT_SERIAL */ &builtin_setkey, &builtin_setup, -#if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) +#ifdef SUPPORT_GRAPHICS + &builtin_splashimage, +#endif /* SUPPORT_GRAPHICS */ +#if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS) &builtin_terminal, -#endif /* SUPPORT_SERIAL || SUPPORT_HERCULES */ +#endif /* SUPPORT_SERIAL || SUPPORT_HERCULES || SUPPORT_GRAPHICS */ #ifdef SUPPORT_SERIAL &builtin_terminfo, #endif /* SUPPORT_SERIAL */ --- /dev/null 2004-02-23 16:02:56.000000000 -0500 +++ grub-0.95/stage2/graphics.c 2004-06-18 17:35:52.488969376 -0400 @@ -0,0 +1,552 @@ +/* graphics.c - graphics mode support for GRUB */ +/* Implemented as a terminal type by Jeremy Katz based + * on a patch by Paulo César Pereira de Andrade + */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2001,2002 Red Hat, Inc. + * Portions copyright (C) 2000 Conectiva, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + + + +#ifdef SUPPORT_GRAPHICS + +#include +#include +#include + +int saved_videomode; +unsigned char *font8x16; + +int graphics_inited = 0; +static char splashimage[64]; + +#define VSHADOW VSHADOW1 +unsigned char VSHADOW1[38400]; +unsigned char VSHADOW2[38400]; +unsigned char VSHADOW4[38400]; +unsigned char VSHADOW8[38400]; + +/* constants to define the viewable area */ +const int x0 = 0; +const int x1 = 80; +const int y0 = 0; +const int y1 = 30; + +/* text buffer has to be kept around so that we can write things as we + * scroll and the like */ +unsigned short text[80 * 30]; + +/* why do these have to be kept here? */ +int foreground = (63 << 16) | (63 << 8) | (63), background = 0, border = 0; + +/* current position */ +static int fontx = 0; +static int fonty = 0; + +/* global state so that we don't try to recursively scroll or cursor */ +static int no_scroll = 0; + +/* color state */ +static int graphics_standard_color = A_NORMAL; +static int graphics_normal_color = A_NORMAL; +static int graphics_highlight_color = A_REVERSE; +static int graphics_current_color = A_NORMAL; +static color_state graphics_color_state = COLOR_STATE_STANDARD; + + +/* graphics local functions */ +static void graphics_setxy(int col, int row); +static void graphics_scroll(); + +/* FIXME: where do these really belong? */ +static inline void outb(unsigned short port, unsigned char val) +{ + __asm __volatile ("outb %0,%1"::"a" (val), "d" (port)); +} + +static void MapMask(int value) { + outb(0x3c4, 2); + outb(0x3c5, value); +} + +/* bit mask register */ +static void BitMask(int value) { + outb(0x3ce, 8); + outb(0x3cf, value); +} + + + +/* Set the splash image */ +void graphics_set_splash(char *splashfile) { + grub_strcpy(splashimage, splashfile); +} + +/* Get the current splash image */ +char *graphics_get_splash(void) { + return splashimage; +} + +/* Initialize a vga16 graphics display with the palette based off of + * the image in splashimage. If the image doesn't exist, leave graphics + * mode. */ +int graphics_init() +{ + if (!graphics_inited) { + saved_videomode = set_videomode(0x12); + } + + if (!read_image(splashimage)) { + set_videomode(saved_videomode); + grub_printf("failed to read image\n"); + return 0; + } + + font8x16 = (unsigned char*)graphics_get_font(); + + graphics_inited = 1; + + /* make sure that the highlight color is set correctly */ + graphics_highlight_color = ((graphics_normal_color >> 4) | + ((graphics_normal_color & 0xf) << 4)); + + return 1; +} + +/* Leave graphics mode */ +void graphics_end(void) +{ + if (graphics_inited) { + set_videomode(saved_videomode); + graphics_inited = 0; + } +} + +/* Print ch on the screen. Handle any needed scrolling or the like */ +void graphics_putchar(int ch) { + ch &= 0xff; + + graphics_cursor(0); + + if (ch == '\n') { + if (fonty + 1 < y1) + graphics_setxy(fontx, fonty + 1); + else + graphics_scroll(); + graphics_cursor(1); + return; + } else if (ch == '\r') { + graphics_setxy(x0, fonty); + graphics_cursor(1); + return; + } + + graphics_cursor(0); + + text[fonty * 80 + fontx] = ch; + text[fonty * 80 + fontx] &= 0x00ff; + if (graphics_current_color & 0xf0) + text[fonty * 80 + fontx] |= 0x100; + + graphics_cursor(0); + + if ((fontx + 1) >= x1) { + graphics_setxy(x0, fonty); + if (fonty + 1 < y1) + graphics_setxy(x0, fonty + 1); + else + graphics_scroll(); + } else { + graphics_setxy(fontx + 1, fonty); + } + + graphics_cursor(1); +} + +/* get the current location of the cursor */ +int graphics_getxy(void) { + return (fontx << 8) | fonty; +} + +void graphics_gotoxy(int x, int y) { + graphics_cursor(0); + + graphics_setxy(x, y); + + graphics_cursor(1); +} + +void graphics_cls(void) { + int i; + unsigned char *mem, *s1, *s2, *s4, *s8; + + graphics_cursor(0); + graphics_gotoxy(x0, y0); + + mem = (unsigned char*)VIDEOMEM; + s1 = (unsigned char*)VSHADOW1; + s2 = (unsigned char*)VSHADOW2; + s4 = (unsigned char*)VSHADOW4; + s8 = (unsigned char*)VSHADOW8; + + for (i = 0; i < 80 * 30; i++) + text[i] = ' '; + graphics_cursor(1); + + BitMask(0xff); + + /* plano 1 */ + MapMask(1); + grub_memcpy(mem, s1, 38400); + + /* plano 2 */ + MapMask(2); + grub_memcpy(mem, s2, 38400); + + /* plano 3 */ + MapMask(4); + grub_memcpy(mem, s4, 38400); + + /* plano 4 */ + MapMask(8); + grub_memcpy(mem, s8, 38400); + + MapMask(15); + +} + +void graphics_setcolorstate (color_state state) { + switch (state) { + case COLOR_STATE_STANDARD: + graphics_current_color = graphics_standard_color; + break; + case COLOR_STATE_NORMAL: + graphics_current_color = graphics_normal_color; + break; + case COLOR_STATE_HIGHLIGHT: + graphics_current_color = graphics_highlight_color; + break; + default: + graphics_current_color = graphics_standard_color; + break; + } + + graphics_color_state = state; +} + +void graphics_setcolor (int normal_color, int highlight_color) { + graphics_normal_color = normal_color; + graphics_highlight_color = highlight_color; + + graphics_setcolorstate (graphics_color_state); +} + +void graphics_setcursor (int on) { + /* FIXME: we don't have a cursor in graphics */ + return; +} + +/* Read in the splashscreen image and set the palette up appropriately. + * Format of splashscreen is an xpm (can be gzipped) with 16 colors and + * 640x480. */ +int read_image(char *s) +{ + char buf[32], pal[16]; + unsigned char c, base, mask, *s1, *s2, *s4, *s8; + unsigned i, len, idx, colors, x, y, width, height; + + if (!grub_open(s)) + return 0; + + /* read header */ + if (!grub_read((char*)&buf, 10) || grub_memcmp(buf, "/* XPM */\n", 10)) { + grub_close(); + return 0; + } + + /* parse info */ + while (grub_read(&c, 1)) { + if (c == '"') + break; + } + + while (grub_read(&c, 1) && (c == ' ' || c == '\t')) + ; + + i = 0; + width = c - '0'; + while (grub_read(&c, 1)) { + if (c >= '0' && c <= '9') + width = width * 10 + c - '0'; + else + break; + } + while (grub_read(&c, 1) && (c == ' ' || c == '\t')) + ; + + height = c - '0'; + while (grub_read(&c, 1)) { + if (c >= '0' && c <= '9') + height = height * 10 + c - '0'; + else + break; + } + while (grub_read(&c, 1) && (c == ' ' || c == '\t')) + ; + + colors = c - '0'; + while (grub_read(&c, 1)) { + if (c >= '0' && c <= '9') + colors = colors * 10 + c - '0'; + else + break; + } + + base = 0; + while (grub_read(&c, 1) && c != '"') + ; + + /* palette */ + for (i = 0, idx = 1; i < colors; i++) { + len = 0; + + while (grub_read(&c, 1) && c != '"') + ; + grub_read(&c, 1); /* char */ + base = c; + grub_read(buf, 4); /* \t c # */ + + while (grub_read(&c, 1) && c != '"') { + if (len < sizeof(buf)) + buf[len++] = c; + } + + if (len == 6 && idx < 15) { + int r = ((hex(buf[0]) << 4) | hex(buf[1])) >> 2; + int g = ((hex(buf[2]) << 4) | hex(buf[3])) >> 2; + int b = ((hex(buf[4]) << 4) | hex(buf[5])) >> 2; + + pal[idx] = base; + graphics_set_palette(idx, r, g, b); + ++idx; + } + } + + x = y = len = 0; + + s1 = (unsigned char*)VSHADOW1; + s2 = (unsigned char*)VSHADOW2; + s4 = (unsigned char*)VSHADOW4; + s8 = (unsigned char*)VSHADOW8; + + for (i = 0; i < 38400; i++) + s1[i] = s2[i] = s4[i] = s8[i] = 0; + + /* parse xpm data */ + while (y < height) { + while (1) { + if (!grub_read(&c, 1)) { + grub_close(); + return 0; + } + if (c == '"') + break; + } + + while (grub_read(&c, 1) && c != '"') { + for (i = 1; i < 15; i++) + if (pal[i] == c) { + c = i; + break; + } + + mask = 0x80 >> (x & 7); + if (c & 1) + s1[len + (x >> 3)] |= mask; + if (c & 2) + s2[len + (x >> 3)] |= mask; + if (c & 4) + s4[len + (x >> 3)] |= mask; + if (c & 8) + s8[len + (x >> 3)] |= mask; + + if (++x >= 640) { + x = 0; + + if (y < 480) + len += 80; + ++y; + } + } + } + + grub_close(); + + graphics_set_palette(0, (background >> 16), (background >> 8) & 63, + background & 63); + graphics_set_palette(15, (foreground >> 16), (foreground >> 8) & 63, + foreground & 63); + graphics_set_palette(0x11, (border >> 16), (border >> 8) & 63, + border & 63); + + return 1; +} + + +/* Convert a character which is a hex digit to the appropriate integer */ +int hex(int v) +{ + if (v >= 'A' && v <= 'F') + return (v - 'A' + 10); + if (v >= 'a' && v <= 'f') + return (v - 'a' + 10); + return (v - '0'); +} + + +/* move the graphics cursor location to col, row */ +static void graphics_setxy(int col, int row) { + if (col >= x0 && col < x1) { + fontx = col; + cursorX = col << 3; + } + if (row >= y0 && row < y1) { + fonty = row; + cursorY = row << 4; + } +} + +/* scroll the screen */ +static void graphics_scroll() { + int i, j; + + /* we don't want to scroll recursively... that would be bad */ + if (no_scroll) + return; + no_scroll = 1; + + /* move everything up a line */ + for (j = y0 + 1; j < y1; j++) { + graphics_gotoxy(x0, j - 1); + for (i = x0; i < x1; i++) { + graphics_putchar(text[j * 80 + i]); + } + } + + /* last line should be blank */ + graphics_gotoxy(x0, y1 - 1); + for (i = x0; i < x1; i++) + graphics_putchar(' '); + graphics_setxy(x0, y1 - 1); + + no_scroll = 0; +} + + +void graphics_cursor(int set) { + unsigned char *pat, *mem, *ptr, chr[16 << 2]; + int i, ch, invert, offset; + + if (set && no_scroll) + return; + + offset = cursorY * 80 + fontx; + ch = text[fonty * 80 + fontx] & 0xff; + invert = (text[fonty * 80 + fontx] & 0xff00) != 0; + pat = font8x16 + (ch << 4); + + mem = (unsigned char*)VIDEOMEM + offset; + + if (!set) { + for (i = 0; i < 16; i++) { + unsigned char mask = pat[i]; + + if (!invert) { + chr[i ] = ((unsigned char*)VSHADOW1)[offset]; + chr[16 + i] = ((unsigned char*)VSHADOW2)[offset]; + chr[32 + i] = ((unsigned char*)VSHADOW4)[offset]; + chr[48 + i] = ((unsigned char*)VSHADOW8)[offset]; + + /* FIXME: if (shade) */ + if (1) { + if (ch == DISP_VERT || ch == DISP_LL || + ch == DISP_UR || ch == DISP_LR) { + unsigned char pmask = ~(pat[i] >> 1); + + chr[i ] &= pmask; + chr[16 + i] &= pmask; + chr[32 + i] &= pmask; + chr[48 + i] &= pmask; + } + if (i > 0 && ch != DISP_VERT) { + unsigned char pmask = ~(pat[i - 1] >> 1); + + chr[i ] &= pmask; + chr[16 + i] &= pmask; + chr[32 + i] &= pmask; + chr[48 + i] &= pmask; + if (ch == DISP_HORIZ || ch == DISP_UR || ch == DISP_LR) { + pmask = ~pat[i - 1]; + + chr[i ] &= pmask; + chr[16 + i] &= pmask; + chr[32 + i] &= pmask; + chr[48 + i] &= pmask; + } + } + } + chr[i ] |= mask; + chr[16 + i] |= mask; + chr[32 + i] |= mask; + chr[48 + i] |= mask; + + offset += 80; + } + else { + chr[i ] = mask; + chr[16 + i] = mask; + chr[32 + i] = mask; + chr[48 + i] = mask; + } + } + } + else { + MapMask(15); + ptr = mem; + for (i = 0; i < 16; i++, ptr += 80) { + cursorBuf[i] = pat[i]; + *ptr = ~pat[i]; + } + return; + } + + offset = 0; + for (i = 1; i < 16; i <<= 1, offset += 16) { + int j; + + MapMask(i); + ptr = mem; + for (j = 0; j < 16; j++, ptr += 80) + *ptr = chr[j + offset]; + } + + MapMask(15); +} + +#endif /* SUPPORT_GRAPHICS */ --- grub-0.95/stage2/Makefile.am.graphics 2004-06-13 13:57:27.000000000 -0400 +++ grub-0.95/stage2/Makefile.am 2004-06-18 17:36:58.289966104 -0400 @@ -7,7 +7,7 @@ fat.h filesys.h freebsd.h fs.h hercules.h i386-elf.h \ imgact_aout.h iso9660.h jfs.h mb_header.h mb_info.h md5.h \ nbi.h pc_slice.h serial.h shared.h smp-imps.h term.h \ - terminfo.h tparm.h nbi.h ufs2.h vstafs.h xfs.h + terminfo.h tparm.h nbi.h ufs2.h vstafs.h xfs.h graphics.h EXTRA_DIST = setjmp.S apm.S $(noinst_SCRIPTS) # For . @@ -19,7 +19,7 @@ disk_io.c fsys_ext2fs.c fsys_fat.c fsys_ffs.c fsys_iso9660.c \ fsys_jfs.c fsys_minix.c fsys_reiserfs.c fsys_ufs2.c \ fsys_vstafs.c fsys_xfs.c gunzip.c md5.c serial.c stage2.c \ - terminfo.c tparm.c + terminfo.c tparm.c graphics.c libgrub_a_CFLAGS = $(GRUB_CFLAGS) -I$(top_srcdir)/lib \ -DGRUB_UTIL=1 -DFSYS_EXT2FS=1 -DFSYS_FAT=1 -DFSYS_FFS=1 \ -DFSYS_ISO9660=1 -DFSYS_JFS=1 -DFSYS_MINIX=1 -DFSYS_REISERFS=1 \ @@ -80,8 +80,14 @@ HERCULES_FLAGS = endif +if GRAPHICS_SUPPORT +GRAPHICS_FLAGS = -DSUPPORT_GRAPHICS=1 +else +GRAPHICS_FLAGS = +endif + STAGE2_COMPILE = $(STAGE2_CFLAGS) -fno-builtin -nostdinc \ - $(NETBOOT_FLAGS) $(SERIAL_FLAGS) $(HERCULES_FLAGS) + $(NETBOOT_FLAGS) $(SERIAL_FLAGS) $(HERCULES_FLAGS) $(GRAPHICS_FLAGS) STAGE1_5_LINK = -nostdlib -Wl,-N -Wl,-Ttext -Wl,2000 STAGE1_5_COMPILE = $(STAGE2_COMPILE) -DNO_DECOMPRESSION=1 -DSTAGE1_5=1 @@ -91,7 +97,8 @@ cmdline.c common.c console.c disk_io.c fsys_ext2fs.c \ fsys_fat.c fsys_ffs.c fsys_iso9660.c fsys_jfs.c fsys_minix.c \ fsys_reiserfs.c fsys_ufs2.c fsys_vstafs.c fsys_xfs.c gunzip.c \ - hercules.c md5.c serial.c smp-imps.c stage2.c terminfo.c tparm.c + hercules.c md5.c serial.c smp-imps.c stage2.c terminfo.c tparm.c \ + graphics.c pre_stage2_exec_CFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS) pre_stage2_exec_CCASFLAGS = $(STAGE2_COMPILE) $(FSYS_CFLAGS) pre_stage2_exec_LDFLAGS = $(PRE_STAGE2_LINK) --- grub-0.95/stage2/term.h.graphics 2003-07-09 07:45:53.000000000 -0400 +++ grub-0.95/stage2/term.h 2004-06-18 17:35:52.496968160 -0400 @@ -60,6 +60,8 @@ const char *name; /* The feature flags defined above. */ unsigned long flags; + /* Default for maximum number of lines if not specified */ + unsigned short max_lines; /* Put a character. */ void (*putchar) (int c); /* Check if any input character is available. */ @@ -79,6 +81,11 @@ void (*setcolor) (int normal_color, int highlight_color); /* Turn on/off the cursor. */ int (*setcursor) (int on); + + /* function to start a terminal */ + int (*startup) (void); + /* function to use to shutdown a terminal */ + void (*shutdown) (void); }; /* This lists up available terminals. */ @@ -124,4 +131,23 @@ int hercules_setcursor (int on); #endif +#ifdef SUPPORT_GRAPHICS +extern int foreground, background, border, graphics_inited; + +void graphics_set_splash(char *splashfile); +int set_videomode (int mode); +void graphics_putchar (int c); +int graphics_getxy(void); +void graphics_gotoxy(int x, int y); +void graphics_cls(void); +void graphics_setcolorstate (color_state state); +void graphics_setcolor (int normal_color, int highlight_color); +void graphics_setcursor (int on); +int graphics_init(void); +void graphics_end(void); + +int hex(int v); +void graphics_set_palette(int idx, int red, int green, int blue); +#endif /* SUPPORT_GRAPHICS */ + #endif /* ! GRUB_TERM_HEADER */ --- /dev/null 2004-02-23 16:02:56.000000000 -0500 +++ grub-0.95/stage2/graphics.h 2004-06-18 17:35:52.490969072 -0400 @@ -0,0 +1,42 @@ +/* graphics.h - graphics console interface */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2002 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef GRAPHICS_H +#define GRAPHICS_H + +/* magic constant */ +#define VIDEOMEM 0xA0000 + +/* function prototypes */ +char *graphics_get_splash(void); + +int read_image(char *s); +void graphics_cursor(int set); + +/* function prototypes for asm functions */ +void * graphics_get_font(); +void graphics_set_palette(int idx, int red, int green, int blue); +void set_int1c_handler(); +void unset_int1c_handler(); + +extern short cursorX, cursorY; +extern char cursorBuf[16]; + +#endif /* GRAPHICS_H */ --- grub-0.95/stage2/shared.h.graphics 2004-06-18 17:35:52.372987008 -0400 +++ grub-0.95/stage2/shared.h 2004-06-18 17:35:52.492968768 -0400 @@ -873,6 +873,7 @@ int grub_tolower (int c); int grub_isspace (int c); int grub_strncat (char *s1, const char *s2, int n); +void grub_memcpy(void *dest, const void *src, int len); void *grub_memmove (void *to, const void *from, int len); void *grub_memset (void *start, int c, int len); int grub_strncat (char *s1, const char *s2, int n); --- grub-0.95/stage2/char_io.c.graphics 2004-05-23 12:45:43.000000000 -0400 +++ grub-0.95/stage2/char_io.c 2004-06-18 17:35:52.485969832 -0400 @@ -35,6 +35,7 @@ { "console", 0, + 24, console_putchar, console_checkkey, console_getkey, @@ -43,13 +44,16 @@ console_cls, console_setcolorstate, console_setcolor, - console_setcursor + console_setcursor, + 0, + 0 }, #ifdef SUPPORT_SERIAL { "serial", /* A serial device must be initialized. */ TERM_NEED_INIT, + 24, serial_putchar, serial_checkkey, serial_getkey, @@ -58,6 +62,8 @@ serial_cls, serial_setcolorstate, 0, + 0, + 0, 0 }, #endif /* SUPPORT_SERIAL */ @@ -65,6 +71,7 @@ { "hercules", 0, + 24, hercules_putchar, console_checkkey, console_getkey, @@ -73,9 +80,28 @@ hercules_cls, hercules_setcolorstate, hercules_setcolor, - hercules_setcursor + hercules_setcursor, + 0, + 0 }, #endif /* SUPPORT_HERCULES */ +#ifdef SUPPORT_GRAPHICS + { "graphics", + TERM_NEED_INIT, /* flags */ + 30, /* number of lines */ + graphics_putchar, /* putchar */ + console_checkkey, /* checkkey */ + console_getkey, /* getkey */ + graphics_getxy, /* getxy */ + graphics_gotoxy, /* gotoxy */ + graphics_cls, /* cls */ + graphics_setcolorstate, /* setcolorstate */ + graphics_setcolor, /* setcolor */ + graphics_setcursor, /* nocursor */ + graphics_init, /* initialize */ + graphics_end /* shutdown */ + }, +#endif /* SUPPORT_GRAPHICS */ /* This must be the last entry. */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }; @@ -1046,13 +1072,15 @@ the following grub_printf call will print newlines. */ count_lines = -1; + grub_printf("\n"); if (current_term->setcolorstate) current_term->setcolorstate (COLOR_STATE_HIGHLIGHT); - grub_printf ("\n[Hit return to continue]"); + grub_printf ("[Hit return to continue]"); if (current_term->setcolorstate) current_term->setcolorstate (COLOR_STATE_NORMAL); + do { @@ -1090,7 +1118,7 @@ cls (void) { /* If the terminal is dumb, there is no way to clean the terminal. */ - if (current_term->flags & TERM_DUMB) + if (current_term->flags & TERM_DUMB) grub_putchar ('\n'); else current_term->cls (); @@ -1214,6 +1242,16 @@ return ! errnum; } +void +grub_memcpy(void *dest, const void *src, int len) +{ + int i; + register char *d = (char*)dest, *s = (char*)src; + + for (i = 0; i < len; i++) + d[i] = s[i]; +} + void * grub_memmove (void *to, const void *from, int len) { --- grub-0.95/configure.ac.graphics 2004-06-18 17:35:52.211011632 -0400 +++ grub-0.95/configure.ac 2004-06-18 17:35:52.498967856 -0400 @@ -595,6 +595,11 @@ [ --enable-diskless enable diskless support]) AM_CONDITIONAL(DISKLESS_SUPPORT, test "x$enable_diskless" = xyes) +dnl Graphical splashscreen support +AC_ARG_ENABLE(graphics, + [ --disable-graphics disable graphics terminal support]) +AM_CONDITIONAL(GRAPHICS_SUPPORT, test "x$enable_graphics" != xno) + dnl Hercules terminal AC_ARG_ENABLE(hercules, [ --disable-hercules disable hercules terminal support])