ports/74478: UPDATE: sysutils/grub patch to handle splashscreens
Manuel Rabade Garcia
mig at mig-29.net
Sun Nov 28 16:50:18 UTC 2004
>Number: 74478
>Category: ports
>Synopsis: UPDATE: sysutils/grub patch to handle splashscreens
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-ports-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: update
>Submitter-Id: current-users
>Arrival-Date: Sun Nov 28 16:50:17 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator: Manuel Rabade Garcia
>Release: FreeBSD 5.3-RELEASE i386
>Organization:
>Environment:
System: FreeBSD fulcrum.mig-29.net 5.3-RELEASE FreeBSD 5.3-RELEASE #0: Wed Nov 10 21:18:30 CST 2004 root at fulcrum.mig-29.net:/usr/obj/usr/src/sys/FULCRUM i386
>Description:
Patch for grub to handle splashscreens, ready to be but in files/
I found the patch in grub-0.95-7mdk.src.rpm (grub-0.95-graphics.patch)
>How-To-Repeat:
>Fix:
--- patch-graphics begins here ---
--- stage2/asm.S.graphics 2004-06-18 17:35:51.932054040 -0400
+++ 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()
--- stage2/stage2.c.graphics 2004-06-18 17:35:52.314995824 -0400
+++ 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
--- stage2/builtins.c.graphics 2004-06-18 17:35:52.370987312 -0400
+++ 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
+++ 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 <katzj at redhat.com> based
+ * on a patch by Paulo César Pereira de Andrade <pcpa at conectiva.com.br>
+ */
+/*
+ * 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 <term.h>
+#include <shared.h>
+#include <graphics.h>
+
+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 */
--- stage2/Makefile.am.graphics 2004-06-13 13:57:27.000000000 -0400
+++ 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 <stage1.h>.
@@ -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)
--- stage2/term.h.graphics 2003-07-09 07:45:53.000000000 -0400
+++ 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
+++ 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 */
--- stage2/shared.h.graphics 2004-06-18 17:35:52.372987008 -0400
+++ 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);
--- stage2/char_io.c.graphics 2004-05-23 12:45:43.000000000 -0400
+++ 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)
{
--- configure.ac.graphics 2004-06-18 17:35:52.211011632 -0400
+++ 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])
--- patch-graphics ends here ---
>Release-Note:
>Audit-Trail:
>Unformatted:
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