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2007-11-10 Vesa Jaaskelainen <chaac@nic.fi>

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* conf/i386-pc.rmk (pkgdata_MODULES): Added vga.mod.
        (vga_mod_SOURCES): Added.
        (vga_mod_CFLAGS): Likewise.
        (vga_mod_LDFLAGS): Likewise.

        * term/i386/pc/vga.c (get_map_mask): Switch order of arguments in
        grub_outb() calls.
        (set_map_mask): Likewise.
        (set_read_map): Likewise.
        (set_read_address): Likewise.
        (vga_font): Removed variable.
        (get_vga_glyph): Removed function.
        (invalidate_char): Likewise.
        (write_char): Changed to use grub_font_get_glyph() for font
        information.
        (grub_vga_putchar): Likewise.
        (grub_vga_getcharwidth): Likewise.
This commit is contained in:
chaac 2007-11-10 18:34:48 +00:00
parent 6433b448ac
commit a87783bfa1
4 changed files with 113 additions and 108 deletions
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20
ChangeLog
View file

@ -1,3 +1,23 @@
2007-11-10 Vesa Jaaskelainen <chaac@nic.fi>
* conf/i386-pc.rmk (pkgdata_MODULES): Added vga.mod.
(vga_mod_SOURCES): Added.
(vga_mod_CFLAGS): Likewise.
(vga_mod_LDFLAGS): Likewise.
* term/i386/pc/vga.c (get_map_mask): Switch order of arguments in
grub_outb() calls.
(set_map_mask): Likewise.
(set_read_map): Likewise.
(set_read_address): Likewise.
(vga_font): Removed variable.
(get_vga_glyph): Removed function.
(invalidate_char): Likewise.
(write_char): Changed to use grub_font_get_glyph() for font
information.
(grub_vga_putchar): Likewise.
(grub_vga_getcharwidth): Likewise.
2007-11-10 Vesa Jaaskelainen <chaac@nic.fi>
* conf/i386-pc.rmk (boot_img_LDFLAGS): Use COMMON_LDFLAGS for target

55
conf/i386-pc.mk
View file

@ -859,7 +859,8 @@ grub-mkrescue: util/i386/pc/grub-mkrescue.in config.status
pkgdata_MODULES = biosdisk.mod _chain.mod _linux.mod linux.mod normal.mod \
_multiboot.mod chain.mod multiboot.mod reboot.mod halt.mod \
vbe.mod vbetest.mod vbeinfo.mod video.mod gfxterm.mod \
videotest.mod play.mod bitmap.mod tga.mod cpuid.mod serial.mod ata.mod
videotest.mod play.mod bitmap.mod tga.mod cpuid.mod serial.mod ata.mod \
vga.mod
# For biosdisk.mod.
biosdisk_mod_SOURCES = disk/i386/pc/biosdisk.c
@ -2300,4 +2301,56 @@ fs-ata_mod-disk_ata.lst: disk/ata.c genfslist.sh
ata_mod_CFLAGS = $(COMMON_CFLAGS)
ata_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For vga.mod.
vga_mod_SOURCES = term/i386/pc/vga.c
CLEANFILES += vga.mod mod-vga.o mod-vga.c pre-vga.o vga_mod-term_i386_pc_vga.o und-vga.lst
ifneq ($(vga_mod_EXPORTS),no)
CLEANFILES += def-vga.lst
DEFSYMFILES += def-vga.lst
endif
MOSTLYCLEANFILES += vga_mod-term_i386_pc_vga.d
UNDSYMFILES += und-vga.lst
vga.mod: pre-vga.o mod-vga.o
-rm -f $@
$(TARGET_CC) $(vga_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ $^
$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -R .note -R .comment $@
pre-vga.o: $(vga_mod_DEPENDENCIES) vga_mod-term_i386_pc_vga.o
-rm -f $@
$(TARGET_CC) $(vga_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ vga_mod-term_i386_pc_vga.o
mod-vga.o: mod-vga.c
$(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(vga_mod_CFLAGS) -c -o $@ $<
mod-vga.c: moddep.lst genmodsrc.sh
sh $(srcdir)/genmodsrc.sh 'vga' $< > $@ || (rm -f $@; exit 1)
ifneq ($(vga_mod_EXPORTS),no)
def-vga.lst: pre-vga.o
$(NM) -g --defined-only -P -p $< | sed 's/^\([^ ]*\).*/\1 vga/' > $@
endif
und-vga.lst: pre-vga.o
echo 'vga' > $@
$(NM) -u -P -p $< | cut -f1 -d' ' >> $@
vga_mod-term_i386_pc_vga.o: term/i386/pc/vga.c
$(TARGET_CC) -Iterm/i386/pc -I$(srcdir)/term/i386/pc $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(vga_mod_CFLAGS) -MD -c -o $@ $<
-include vga_mod-term_i386_pc_vga.d
CLEANFILES += cmd-vga_mod-term_i386_pc_vga.lst fs-vga_mod-term_i386_pc_vga.lst
COMMANDFILES += cmd-vga_mod-term_i386_pc_vga.lst
FSFILES += fs-vga_mod-term_i386_pc_vga.lst
cmd-vga_mod-term_i386_pc_vga.lst: term/i386/pc/vga.c gencmdlist.sh
set -e; $(TARGET_CC) -Iterm/i386/pc -I$(srcdir)/term/i386/pc $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(vga_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh vga > $@ || (rm -f $@; exit 1)
fs-vga_mod-term_i386_pc_vga.lst: term/i386/pc/vga.c genfslist.sh
set -e; $(TARGET_CC) -Iterm/i386/pc -I$(srcdir)/term/i386/pc $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(vga_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh vga > $@ || (rm -f $@; exit 1)
vga_mod_CFLAGS = $(COMMON_CFLAGS)
vga_mod_LDFLAGS = $(COMMON_LDFLAGS)
include $(srcdir)/conf/common.mk

8
conf/i386-pc.rmk
View file

@ -129,7 +129,8 @@ grub_mkrescue_SOURCES = util/i386/pc/grub-mkrescue.in
pkgdata_MODULES = biosdisk.mod _chain.mod _linux.mod linux.mod normal.mod \
_multiboot.mod chain.mod multiboot.mod reboot.mod halt.mod \
vbe.mod vbetest.mod vbeinfo.mod video.mod gfxterm.mod \
videotest.mod play.mod bitmap.mod tga.mod cpuid.mod serial.mod ata.mod
videotest.mod play.mod bitmap.mod tga.mod cpuid.mod serial.mod ata.mod \
vga.mod
# For biosdisk.mod.
biosdisk_mod_SOURCES = disk/i386/pc/biosdisk.c
@ -251,4 +252,9 @@ ata_mod_SOURCES = disk/ata.c
ata_mod_CFLAGS = $(COMMON_CFLAGS)
ata_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For vga.mod.
vga_mod_SOURCES = term/i386/pc/vga.c
vga_mod_CFLAGS = $(COMMON_CFLAGS)
vga_mod_LDFLAGS = $(COMMON_LDFLAGS)
include $(srcdir)/conf/common.mk

136
term/i386/pc/vga.c
View file

@ -18,6 +18,7 @@
#include <grub/machine/vga.h>
#include <grub/machine/console.h>
#include <grub/cpu/io.h>
#include <grub/term.h>
#include <grub/types.h>
#include <grub/dl.h>
@ -62,7 +63,6 @@ static unsigned xpos, ypos;
static int cursor_state;
static unsigned char fg_color, bg_color;
static struct colored_char text_buf[TEXT_WIDTH * TEXT_HEIGHT];
static unsigned char *vga_font;
static unsigned char saved_map_mask;
static int page = 0;
@ -97,11 +97,11 @@ get_map_mask (void)
unsigned char old_data;
old_addr = grub_inb (SEQUENCER_ADDR_PORT);
grub_outb (SEQUENCER_ADDR_PORT, MAP_MASK_REGISTER);
grub_outb (MAP_MASK_REGISTER, SEQUENCER_ADDR_PORT);
old_data = grub_inb (SEQUENCER_DATA_PORT);
grub_outb (SEQUENCER_ADDR_PORT, old_addr);
grub_outb (old_addr, SEQUENCER_ADDR_PORT);
return old_data;
}
@ -113,11 +113,11 @@ set_map_mask (unsigned char mask)
unsigned char old_addr;
old_addr = grub_inb (SEQUENCER_ADDR_PORT);
grub_outb (SEQUENCER_ADDR_PORT, MAP_MASK_REGISTER);
grub_outb (MAP_MASK_REGISTER, SEQUENCER_ADDR_PORT);
grub_outb (SEQUENCER_DATA_PORT, mask);
grub_outb (mask, SEQUENCER_DATA_PORT);
grub_outb (SEQUENCER_ADDR_PORT, old_addr);
grub_outb (old_addr, SEQUENCER_ADDR_PORT);
}
/* Set Read Map Register. */
@ -128,10 +128,10 @@ set_read_map (unsigned char map)
old_addr = grub_inb (GRAPHICS_ADDR_PORT);
grub_outb (GRAPHICS_ADDR_PORT, READ_MAP_REGISTER);
grub_outb (GRAPHICS_DATA_PORT, map);
grub_outb (READ_MAP_REGISTER, GRAPHICS_ADDR_PORT);
grub_outb (map, GRAPHICS_DATA_PORT);
grub_outb (GRAPHICS_ADDR_PORT, old_addr);
grub_outb (old_addr, GRAPHICS_ADDR_PORT);
}
/* Set start address. */
@ -142,19 +142,18 @@ set_start_address (unsigned int start)
old_addr = grub_inb (CRTC_ADDR_PORT);
grub_outb (CRTC_ADDR_PORT, START_ADDR_LOW_REGISTER);
grub_outb (CRTC_DATA_PORT, start & 0xFF);
grub_outb (START_ADDR_LOW_REGISTER, CRTC_ADDR_PORT);
grub_outb (start & 0xFF, CRTC_DATA_PORT);
grub_outb (CRTC_ADDR_PORT, START_ADDR_HIGH_REGISTER);
grub_outb (CRTC_DATA_PORT, start >> 8);
grub_outb (START_ADDR_HIGH_REGISTER, CRTC_ADDR_PORT);
grub_outb (start >> 8, CRTC_DATA_PORT);
grub_outb (CRTC_ADDR_PORT, old_addr);
grub_outb (old_addr, CRTC_ADDR_PORT);
}
static grub_err_t
grub_vga_mod_init (void)
{
vga_font = grub_vga_get_font ();
text_mode = grub_vga_set_mode (0x10);
cursor_state = 1;
fg_color = DEFAULT_FG_COLOR;
@ -174,77 +173,6 @@ grub_vga_mod_fini (void)
return GRUB_ERR_NONE;
}
static int
get_vga_glyph (grub_uint32_t code, unsigned char bitmap[32], unsigned *width)
{
if (code > 0x7f)
{
/* Map some unicode characters to the VGA font, if possible. */
switch (code)
{
case 0x2190: /* left arrow */
code = 0x1b;
break;
case 0x2191: /* up arrow */
code = 0x18;
break;
case 0x2192: /* right arrow */
code = 0x1a;
break;
case 0x2193: /* down arrow */
code = 0x19;
break;
case 0x2501: /* horizontal line */
code = 0xc4;
break;
case 0x2503: /* vertical line */
code = 0xb3;
break;
case 0x250F: /* upper-left corner */
code = 0xda;
break;
case 0x2513: /* upper-right corner */
code = 0xbf;
break;
case 0x2517: /* lower-left corner */
code = 0xc0;
break;
case 0x251B: /* lower-right corner */
code = 0xd9;
break;
default:
return grub_font_get_glyph (code, bitmap, width);
}
}
if (bitmap)
grub_memcpy (bitmap, vga_font + code * CHAR_HEIGHT, CHAR_HEIGHT);
*width = 1;
return 1;
}
static void
invalidate_char (struct colored_char *p)
{
p->code = 0xFFFF;
if (p->width)
{
struct colored_char *q;
for (q = p + 1; q <= p + p->width; q++)
{
q->code = 0xFFFF;
q->width = 0;
q->index = 0;
}
}
p->width = 0;
}
static int
check_vga_mem (void *p)
{
@ -257,8 +185,7 @@ static void
write_char (void)
{
struct colored_char *p = text_buf + xpos + ypos * TEXT_WIDTH;
unsigned char bitmap[32];
unsigned width;
struct grub_font_glyph glyph;
unsigned char *mem_base;
unsigned plane;
@ -266,8 +193,8 @@ write_char (void)
ypos * CHAR_HEIGHT * TEXT_WIDTH + PAGE_OFFSET (page)) - p->index;
p -= p->index;
if (! get_vga_glyph (p->code, bitmap, &width))
invalidate_char (p);
/* Get glyph for character. */
grub_font_get_glyph (p->code, &glyph);
for (plane = 0x01; plane <= 0x08; plane <<= 1)
{
@ -283,12 +210,12 @@ write_char (void)
{
unsigned i;
for (i = 0; i < width && offset < 32; i++)
for (i = 0; i < glyph.char_width && offset < 32; i++)
{
unsigned char fg_mask, bg_mask;
fg_mask = (p->fg_color & plane) ? bitmap[offset] : 0;
bg_mask = (p->bg_color & plane) ? ~(bitmap[offset]) : 0;
fg_mask = (p->fg_color & plane) ? glyph.bitmap[offset] : 0;
bg_mask = (p->bg_color & plane) ? ~(glyph.bitmap[offset]) : 0;
offset++;
if (check_vga_mem (mem + i))
@ -393,36 +320,36 @@ grub_vga_putchar (grub_uint32_t c)
}
else
{
unsigned width;
struct grub_font_glyph glyph;
struct colored_char *p;
get_vga_glyph (c, 0, &width);
grub_font_get_glyph(c, &glyph);
if (xpos + width > TEXT_WIDTH)
if (xpos + glyph.char_width > TEXT_WIDTH)
grub_putchar ('\n');
p = text_buf + xpos + ypos * TEXT_WIDTH;
p->code = c;
p->fg_color = fg_color;
p->bg_color = bg_color;
p->width = width - 1;
p->width = glyph.char_width - 1;
p->index = 0;
if (width > 1)
if (glyph.char_width > 1)
{
unsigned i;
for (i = 1; i < width; i++)
for (i = 1; i < glyph.char_width; i++)
{
p[i].code = ' ';
p[i].width = width - 1;
p[i].width = glyph.char_width - 1;
p[i].index = i;
}
}
write_char ();
xpos += width;
xpos += glyph.char_width;
if (xpos >= TEXT_WIDTH)
{
xpos = 0;
@ -454,12 +381,11 @@ grub_vga_putchar (grub_uint32_t c)
static grub_ssize_t
grub_vga_getcharwidth (grub_uint32_t c)
{
unsigned width;
struct grub_font_glyph glyph;
if (! get_vga_glyph (c, 0, &width))
return 0;
grub_font_get_glyph (c, &glyph);
return width;
return glyph.char_width;
}
static grub_uint16_t