+2003-09-25 Yoshinori K. Okuji <okuji@enbug.org>
+
+ I forgot to check in these changes for a long time. This adds
+ incomplete support for VGA console, and this is still very
+ buggy. Also, a lot of consideration is required for I18N,
+ UNICODE, and VGA font issues. Therefore, assume that this is
+ such that "better than nothing".
+
+ * font/manager.c: New file.
+ * include/pupa/font.h: Likewise.
+ * include/pupa/i386/pc/vga.h: Likewise.
+ * term/i386/pc/vga.c: Likewise.
+ * util/unifont2pff.rb: Likewise.
+
+ * conf/i386-pc.rmk (kernel_img_HEADERS): Added machine/vga.h.
+ (pkgdata_MODULES): Added vga.mod and font.mod.
+ (vga_mod_SOURCES): New variables.
+ (vga_mod_CFLAGS): Likewise.
+ (font_mod_SOURCES): Likewise.
+ (font_mod_CFLAGS): Likewise.
+
+ * include/pupa/err.h (PUPA_ERR_BAD_FONT): New constant.
+
+ * include/pupa/term.h: Include pupa/err.h.
+ (struct pupa_term): Added init and fini.
+ Changed the argument of putchar to pupa_uint32_t.
+
+ * include/pupa/i386/pc/console.h: Include pupa/symbol.h.
+ (pupa_console_real_putchar): New prototype.
+ (pupa_console_putchar): Removed.
+ (pupa_console_checkkey): Exported.
+ (pupa_console_getkey): Likewise.
+
+ * kern/misc.c (pupa_vsprintf): Add support for UNICODE
+ characters.
+
+ * kern/term.c (pupa_term_set_current): Rewritten.
+ (pupa_putchar): Likewise.
+ (pupa_putcode): New function.
+
+ * kern/i386/pc/startup.S (pupa_console_putchar): Renamed to ...
+ (pupa_console_real_putchar): ... this.
+ (pupa_vga_set_mode): New function.
+ (pupa_vga_get_font): Likewise.
+
+ * normal/command.c: Include pupa/term.h.
+ (terminal_command): New function.
+ (pupa_command_init): Register the command "terminal".
+
+ * normal/menu.c (DISP_LEFT): Changed to a UNICODE value.
+ (DISP_UP): Likewise.
+ (DISP_RIGHT): Likewise.
+ (DISP_DOWN): Likewise.
+ (DISP_HLINE): Likewise.
+ (DISP_VLINE): Likewise.
+ (DISP_UL): Likewise.
+ (DISP_UR): Likewise.
+ (DISP_LL): Likewise.
+ (DISP_LR): Likewise.
+
+ * term/i386/pc/console.c (pupa_console_putchar): New function.
+
2003-02-08 NIIBE Yutaka <gniibe@m17n.org>
* util/resolve.c (pupa_util_resolve_dependencies): BUG
file.h fs.h kernel.h loader.h misc.h mm.h net.h rescue.h symbol.h \
term.h types.h machine/biosdisk.h machine/boot.h \
machine/console.h machine/init.h machine/memory.h \
- machine/loader.h machine/partition.h
+ machine/loader.h machine/partition.h machine/vga.h
kernel_img_CFLAGS = $(COMMON_CFLAGS)
kernel_img_ASFLAGS = $(COMMON_ASFLAGS)
kernel_img_LDFLAGS = -nostdlib -Wl,-N,-Ttext,8200
# Modules.
-pkgdata_MODULES = _chain.mod _linux.mod fat.mod normal.mod
+pkgdata_MODULES = _chain.mod _linux.mod fat.mod normal.mod hello.mod \
+ vga.mod font.mod
# For _chain.mod.
_chain_mod_SOURCES = loader/i386/pc/chainloader.c
normal_mod_CFLAGS = $(COMMON_CFLAGS)
normal_mod_ASFLAGS = $(COMMON_ASFLAGS)
+
+# For hello.mod.
+hello_mod_SOURCES = hello/hello.c
+CLEANFILES += hello.mod mod-hello.o mod-hello.c pre-hello.o hello_mod-hello_hello.o def-hello.lst und-hello.lst
+MOSTLYCLEANFILES += hello_mod-hello_hello.d
+DEFSYMFILES += def-hello.lst
+UNDSYMFILES += und-hello.lst
+
+hello.mod: pre-hello.o mod-hello.o
+ -rm -f $@
+ $(LD) -r -o $@ $^
+ $(STRIP) --strip-unneeded -K pupa_mod_init -K pupa_mod_fini -R .note -R .comment $@
+
+pre-hello.o: hello_mod-hello_hello.o
+ -rm -f $@
+ $(LD) -r -o $@ $^
+
+mod-hello.o: mod-hello.c
+ $(CC) $(CPPFLAGS) $(CFLAGS) $(hello_mod_CFLAGS) -c -o $@ $<
+
+mod-hello.c: moddep.lst genmodsrc.sh
+ sh $(srcdir)/genmodsrc.sh 'hello' $< > $@ || (rm -f $@; exit 1)
+
+def-hello.lst: pre-hello.o
+ $(NM) -g --defined-only -P -p $< | sed 's/^\([^ ]*\).*/\1 hello/' > $@
+
+und-hello.lst: pre-hello.o
+ echo 'hello' > $@
+ $(NM) -u -P -p $< >> $@
+
+hello_mod-hello_hello.o: hello/hello.c
+ $(CC) -Ihello -I$(srcdir)/hello $(CPPFLAGS) $(CFLAGS) $(hello_mod_CFLAGS) -c -o $@ $<
+
+hello_mod-hello_hello.d: hello/hello.c
+ set -e; $(CC) -Ihello -I$(srcdir)/hello $(CPPFLAGS) $(CFLAGS) $(hello_mod_CFLAGS) -M $< | sed 's,hello\.o[ :]*,hello_mod-hello_hello.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
+
+-include hello_mod-hello_hello.d
+
+hello_mod_CFLAGS = $(COMMON_CFLAGS)
+
+# 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 def-vga.lst und-vga.lst
+MOSTLYCLEANFILES += vga_mod-term_i386_pc_vga.d
+DEFSYMFILES += def-vga.lst
+UNDSYMFILES += und-vga.lst
+
+vga.mod: pre-vga.o mod-vga.o
+ -rm -f $@
+ $(LD) -r -o $@ $^
+ $(STRIP) --strip-unneeded -K pupa_mod_init -K pupa_mod_fini -R .note -R .comment $@
+
+pre-vga.o: vga_mod-term_i386_pc_vga.o
+ -rm -f $@
+ $(LD) -r -o $@ $^
+
+mod-vga.o: mod-vga.c
+ $(CC) $(CPPFLAGS) $(CFLAGS) $(vga_mod_CFLAGS) -c -o $@ $<
+
+mod-vga.c: moddep.lst genmodsrc.sh
+ sh $(srcdir)/genmodsrc.sh 'vga' $< > $@ || (rm -f $@; exit 1)
+
+def-vga.lst: pre-vga.o
+ $(NM) -g --defined-only -P -p $< | sed 's/^\([^ ]*\).*/\1 vga/' > $@
+
+und-vga.lst: pre-vga.o
+ echo 'vga' > $@
+ $(NM) -u -P -p $< >> $@
+
+vga_mod-term_i386_pc_vga.o: term/i386/pc/vga.c
+ $(CC) -Iterm/i386/pc -I$(srcdir)/term/i386/pc $(CPPFLAGS) $(CFLAGS) $(vga_mod_CFLAGS) -c -o $@ $<
+
+vga_mod-term_i386_pc_vga.d: term/i386/pc/vga.c
+ set -e; $(CC) -Iterm/i386/pc -I$(srcdir)/term/i386/pc $(CPPFLAGS) $(CFLAGS) $(vga_mod_CFLAGS) -M $< | sed 's,vga\.o[ :]*,vga_mod-term_i386_pc_vga.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
+
+-include vga_mod-term_i386_pc_vga.d
+
+vga_mod_CFLAGS = $(COMMON_CFLAGS)
+
+# For font.mod.
+font_mod_SOURCES = font/manager.c
+CLEANFILES += font.mod mod-font.o mod-font.c pre-font.o font_mod-font_manager.o def-font.lst und-font.lst
+MOSTLYCLEANFILES += font_mod-font_manager.d
+DEFSYMFILES += def-font.lst
+UNDSYMFILES += und-font.lst
+
+font.mod: pre-font.o mod-font.o
+ -rm -f $@
+ $(LD) -r -o $@ $^
+ $(STRIP) --strip-unneeded -K pupa_mod_init -K pupa_mod_fini -R .note -R .comment $@
+
+pre-font.o: font_mod-font_manager.o
+ -rm -f $@
+ $(LD) -r -o $@ $^
+
+mod-font.o: mod-font.c
+ $(CC) $(CPPFLAGS) $(CFLAGS) $(font_mod_CFLAGS) -c -o $@ $<
+
+mod-font.c: moddep.lst genmodsrc.sh
+ sh $(srcdir)/genmodsrc.sh 'font' $< > $@ || (rm -f $@; exit 1)
+
+def-font.lst: pre-font.o
+ $(NM) -g --defined-only -P -p $< | sed 's/^\([^ ]*\).*/\1 font/' > $@
+
+und-font.lst: pre-font.o
+ echo 'font' > $@
+ $(NM) -u -P -p $< >> $@
+
+font_mod-font_manager.o: font/manager.c
+ $(CC) -Ifont -I$(srcdir)/font $(CPPFLAGS) $(CFLAGS) $(font_mod_CFLAGS) -c -o $@ $<
+
+font_mod-font_manager.d: font/manager.c
+ set -e; $(CC) -Ifont -I$(srcdir)/font $(CPPFLAGS) $(CFLAGS) $(font_mod_CFLAGS) -M $< | sed 's,manager\.o[ :]*,font_mod-font_manager.o $@ : ,g' > $@; [ -s $@ ] || rm -f $@
+
+-include font_mod-font_manager.d
+
+font_mod_CFLAGS = $(COMMON_CFLAGS)
CLEANFILES += moddep.lst
pkgdata_DATA += moddep.lst
moddep.lst: $(DEFSYMFILES) $(UNDSYMFILES) genmoddep
file.h fs.h kernel.h loader.h misc.h mm.h net.h rescue.h symbol.h \
term.h types.h machine/biosdisk.h machine/boot.h \
machine/console.h machine/init.h machine/memory.h \
- machine/loader.h machine/partition.h
+ machine/loader.h machine/partition.h machine/vga.h
kernel_img_CFLAGS = $(COMMON_CFLAGS)
kernel_img_ASFLAGS = $(COMMON_ASFLAGS)
kernel_img_LDFLAGS = -nostdlib -Wl,-N,-Ttext,8200
genmoddep_SOURCES = util/genmoddep.c
# Modules.
-pkgdata_MODULES = _chain.mod _linux.mod fat.mod normal.mod hello.mod
+pkgdata_MODULES = _chain.mod _linux.mod fat.mod normal.mod hello.mod \
+ vga.mod font.mod
# For _chain.mod.
_chain_mod_SOURCES = loader/i386/pc/chainloader.c
# For hello.mod.
hello_mod_SOURCES = hello/hello.c
hello_mod_CFLAGS = $(COMMON_CFLAGS)
+
+# For vga.mod.
+vga_mod_SOURCES = term/i386/pc/vga.c
+vga_mod_CFLAGS = $(COMMON_CFLAGS)
+
+# For font.mod.
+font_mod_SOURCES = font/manager.c
+font_mod_CFLAGS = $(COMMON_CFLAGS)
--- /dev/null
+/*
+ * PUPA -- Preliminary Universal Programming Architecture for GRUB
+ * Copyright (C) 2003 Yoshinori K. Okuji <okuji@enbug.org>
+ *
+ * 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.
+ */
+
+#include <pupa/file.h>
+#include <pupa/misc.h>
+#include <pupa/dl.h>
+#include <pupa/normal.h>
+#include <pupa/types.h>
+#include <pupa/mm.h>
+#include <pupa/font.h>
+
+struct entry
+{
+ pupa_uint32_t code;
+ pupa_uint32_t offset;
+};
+
+struct font
+{
+ struct font *next;
+ pupa_file_t file;
+ pupa_uint32_t num;
+ struct entry table[0];
+};
+
+static struct font *font_list;
+
+static int
+add_font (const char *filename)
+{
+ pupa_file_t file = 0;
+ char magic[4];
+ pupa_uint32_t num, i;
+ struct font *font = 0;
+
+ file = pupa_file_open (filename);
+ if (! file)
+ goto fail;
+
+ if (pupa_file_read (file, magic, 4) != 4)
+ goto fail;
+
+ if (pupa_memcmp (magic, PUPA_FONT_MAGIC, 4) != 0)
+ {
+ pupa_error (PUPA_ERR_BAD_FONT, "invalid font magic");
+ goto fail;
+ }
+
+ if (pupa_file_read (file, (char *) &num, 4) != 4)
+ goto fail;
+
+ num = pupa_le_to_cpu32 (num);
+ font = (struct font *) pupa_malloc (sizeof (struct font)
+ + sizeof (struct entry) * num);
+ if (! font)
+ goto fail;
+
+ font->file = file;
+ font->num = num;
+
+ for (i = 0; i < num; i++)
+ {
+ pupa_uint32_t code, offset;
+
+ if (pupa_file_read (file, (char *) &code, 4) != 4)
+ goto fail;
+
+ if (pupa_file_read (file, (char *) &offset, 4) != 4)
+ goto fail;
+
+ font->table[i].code = pupa_le_to_cpu32 (code);
+ font->table[i].offset = pupa_le_to_cpu32 (offset);
+ }
+
+ font->next = font_list;
+ font_list = font;
+
+ return 1;
+
+ fail:
+ if (font)
+ pupa_free (font);
+
+ if (file)
+ pupa_file_close (file);
+
+ return 0;
+}
+
+static void
+remove_font (struct font *font)
+{
+ struct font **p, *q;
+
+ for (p = &font_list, q = *p; q; p = &(q->next), q = q->next)
+ if (q == font)
+ {
+ *p = q->next;
+
+ pupa_file_close (font->file);
+ pupa_free (font);
+
+ break;
+ }
+}
+
+/* Return the offset of the glyph corresponding to the codepoint CODE
+ in the font FONT. If no found, return zero. */
+static pupa_uint32_t
+find_glyph (const struct font *font, pupa_uint32_t code)
+{
+ pupa_uint32_t start = 0;
+ pupa_uint32_t end = font->num - 1;
+ struct entry *table = font->table;
+
+ /* This shouldn't happen. */
+ if (font->num == 0)
+ return 0;
+
+ /* Do a binary search. */
+ while (start <= end)
+ {
+ pupa_uint32_t i = (start + end) / 2;
+
+ if (table[i].code < code)
+ start = i + 1;
+ else if (table[i].code > code)
+ end = i - 1;
+ else
+ return table[i].offset;
+ }
+
+ return 0;
+}
+
+/* Set the glyph to something stupid. */
+static void
+fill_with_default_glyph (unsigned char bitmap[32], unsigned *width)
+{
+ if (bitmap)
+ {
+ unsigned i;
+
+ for (i = 0; i < 16; i++)
+ bitmap[i] = (i & 1) ? 0x55 : 0xaa;
+ }
+
+ *width = 1;
+}
+
+/* Get a glyph corresponding to the codepoint CODE. Always fill BITMAP
+ and WIDTH with something, even if no glyph is found. */
+int
+pupa_font_get_glyph (pupa_uint32_t code,
+ unsigned char bitmap[32], unsigned *width)
+{
+ struct font *font;
+
+ /* FIXME: It is necessary to cache glyphs! */
+
+ restart:
+ for (font = font_list; font; font = font->next)
+ {
+ pupa_uint32_t offset;
+
+ offset = find_glyph (font, code);
+ if (offset)
+ {
+ pupa_uint32_t w;
+
+ pupa_file_seek (font->file, offset);
+ if (pupa_file_read (font->file, (char *) &w, 4) != 4)
+ {
+ remove_font (font);
+ goto restart;
+ }
+
+ w = pupa_le_to_cpu32 (w);
+ if (w != 1 && w != 2)
+ {
+ /* pupa_error (PUPA_ERR_BAD_FONT, "invalid width"); */
+ remove_font (font);
+ goto restart;
+ }
+
+ if (bitmap
+ && (pupa_file_read (font->file, bitmap, w * 16)
+ != (pupa_ssize_t) w * 16))
+ {
+ remove_font (font);
+ goto restart;
+ }
+
+ *width = w;
+ return 1;
+ }
+ }
+
+ /* Uggh... No font was found. */
+ fill_with_default_glyph (bitmap, width);
+ return 0;
+}
+
+static int
+font_command (int argc, char *argv[])
+{
+ if (argc == 0)
+ return pupa_error (PUPA_ERR_BAD_ARGUMENT, "no font specified");
+
+ while (argc--)
+ if (! add_font (*argv++))
+ return 1;
+
+ return 0;
+}
+
+PUPA_MOD_INIT
+{
+ pupa_register_command ("font", font_command, PUPA_COMMAND_FLAG_BOTH,
+ "font FILE...",
+ "Specify a font file to display.");
+}
+
+PUPA_MOD_FINI
+{
+ pupa_unregister_command ("font");
+}
PUPA_ERR_UNKNOWN_OS,
PUPA_ERR_BAD_OS,
PUPA_ERR_NO_KERNEL,
+ PUPA_ERR_BAD_FONT,
PUPA_ERR_NOT_IMPLEMENTED_YET,
}
pupa_err_t;
--- /dev/null
+/*
+ * PUPA -- Preliminary Universal Programming Architecture for GRUB
+ * Copyright (C) 2003 Yoshinori K. Okuji <okuji@enbug.org>
+ *
+ * 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 PUPA_FONT_HEADER
+#define PUPA_FONT_HEADER 1
+
+#include <pupa/types.h>
+
+#define PUPA_FONT_MAGIC "PPF\x7f"
+
+int pupa_font_get_glyph (pupa_uint32_t code,
+ unsigned char bitmap[32], unsigned *width);
+
+#endif /* ! PUPA_FONT_HEADER */
#ifndef ASM_FILE
#include <pupa/types.h>
+#include <pupa/symbol.h>
/* These are global to share code between C and asm. */
extern pupa_uint8_t pupa_console_cur_color;
-void pupa_console_putchar (int c);
-int pupa_console_checkkey (void);
-int pupa_console_getkey (void);
+void pupa_console_real_putchar (int c);
+int EXPORT_FUNC(pupa_console_checkkey) (void);
+int EXPORT_FUNC(pupa_console_getkey) (void);
pupa_uint16_t pupa_console_getxy (void);
void pupa_console_gotoxy (pupa_uint8_t x, pupa_uint8_t y);
void pupa_console_cls (void);
--- /dev/null
+/*
+ * PUPA -- Preliminary Universal Programming Architecture for GRUB
+ * Copyright (C) 2003 Yoshinori K. Okuji <okuji@enbug.org>
+ *
+ * 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 PUPA_VGA_MACHINE_HEADER
+#define PUPA_VGA_MACHINE_HEADER 1
+
+#include <pupa/symbol.h>
+
+/* Set the video mode to MODE and return the previous mode. */
+unsigned char EXPORT_FUNC(pupa_vga_set_mode) (unsigned char mode);
+
+/* Return a pointer to the ROM font table. */
+unsigned char *EXPORT_FUNC(pupa_vga_get_font) (void);
+
+#endif /* ! PUPA_VGA_MACHINE_HEADER */
/*
* PUPA -- Preliminary Universal Programming Architecture for GRUB
- * Copyright (C) 2002 Free Software Foundation, Inc.
- * Copyright (C) 2002 Yoshinori K. Okuji <okuji@enbug.org>
+ * Copyright (C) 2002 Free Software Foundation, Inc.
+ * Copyright (C) 2002,2003 Yoshinori K. Okuji <okuji@enbug.org>
*
* PUPA is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#ifndef PUPA_TERM_HEADER
#define PUPA_TERM_HEADER 1
+#include <pupa/err.h>
#include <pupa/symbol.h>
#include <pupa/types.h>
{
/* The terminal name. */
const char *name;
+
+ /* Initialize the terminal. */
+ pupa_err_t (*init) (void);
+
+ /* Clean up the terminal. */
+ pupa_err_t (*fini) (void);
- /* Put a character. */
- void (*putchar) (int c);
+ /* Put a character. C is encoded in Unicode. */
+ void (*putchar) (pupa_uint32_t c);
/* Check if any input character is available. */
int (*checkkey) (void);
void EXPORT_FUNC(pupa_term_unregister) (pupa_term_t term);
void EXPORT_FUNC(pupa_term_iterate) (int (*hook) (pupa_term_t term));
-void EXPORT_FUNC(pupa_term_set_current) (pupa_term_t term);
+pupa_err_t EXPORT_FUNC(pupa_term_set_current) (pupa_term_t term);
pupa_term_t EXPORT_FUNC(pupa_term_get_current) (void);
void EXPORT_FUNC(pupa_putchar) (int c);
+void EXPORT_FUNC(pupa_putcode) (pupa_uint32_t code);
int EXPORT_FUNC(pupa_getkey) (void);
int EXPORT_FUNC(pupa_checkkey) (void);
pupa_uint16_t EXPORT_FUNC(pupa_getxy) (void);
/*
- * void pupa_console_putchar (int c)
+ * void pupa_console_real_putchar (int c)
*
* Put the character C on the console. Because GRUB wants to write a
* character with an attribute, this implementation is a bit tricky.
* get the height of the screen, and the TELETYPE OUPUT BIOS call doesn't
* support setting a background attribute.
*/
-FUNCTION(pupa_console_putchar)
+FUNCTION(pupa_console_real_putchar)
movl %eax, %edx
pusha
movb EXT_C(pupa_console_cur_color), %bl
popl %ebp
ret
+
+
+/*
+ * unsigned char pupa_vga_set_mode (unsigned char mode)
+ */
+FUNCTION(pupa_vga_set_mode)
+ pushl %ebp
+ pushl %ebx
+ movl %eax, %ecx
+
+ call prot_to_real
+ .code16
+ /* get current mode */
+ xorw %bx, %bx
+ movb $0x0f, %ah
+ int $0x10
+ movb %al, %dl
+
+ /* set the new mode */
+ movb %cl, %al
+ xorb %ah, %ah
+ int $0x10
+
+ DATA32 call real_to_prot
+ .code32
+
+ movb %dl, %al
+ popl %ebx
+ popl %ebp
+ ret
+
+
+/*
+ * unsigned char *pupa_vga_get_font (void)
+ */
+FUNCTION(pupa_vga_get_font)
+ pushl %ebp
+ pushl %ebx
+
+ call prot_to_real
+ .code16
+ movw $0x1130, %ax
+ movb $0x06, %bh
+ int $0x10
+ movw %es, %bx
+ movw %bp, %dx
+ DATA32 call real_to_prot
+ .code32
+
+ movzwl %bx, %ecx
+ shll $4, %ecx
+ movw %dx, %ax
+ addl %ecx, %eax
+
+ popl %ebx
+ popl %ebp
+ ret
{
char c;
int count = 0;
- auto void write_char (char ch);
+ auto void write_char (unsigned char ch);
auto void write_str (const char *s);
- void write_char (char ch)
+ void write_char (unsigned char ch)
{
if (str)
*str++ = ch;
case 'c':
n = va_arg (args, int);
- write_char (n);
+ write_char (n & 0xff);
+ break;
+
+ case 'C':
+ {
+ pupa_uint32_t code = va_arg (args, pupa_uint32_t);
+ int shift;
+ unsigned mask;
+
+ if (code <= 0x7f)
+ {
+ shift = 0;
+ mask = 0;
+ }
+ else if (code <= 0x7ff)
+ {
+ shift = 6;
+ mask = 0xc0;
+ }
+ else if (code <= 0xffff)
+ {
+ shift = 12;
+ mask = 0xe0;
+ }
+ else if (code <= 0x1fffff)
+ {
+ shift = 18;
+ mask = 0xf0;
+ }
+ else if (code <= 0x3ffffff)
+ {
+ shift = 24;
+ mask = 0xf8;
+ }
+ else if (code <= 0x7fffffff)
+ {
+ shift = 30;
+ mask = 0xfc;
+ }
+ else
+ {
+ code = '?';
+ shift = 0;
+ mask = 0;
+ }
+
+ write_char (mask | (code >> shift));
+
+ for (shift -= 6; shift >= 0; shift -= 6)
+ write_char (0x80 | (0x3f & (code >> shift)));
+ }
break;
case 's':
/*
* PUPA -- Preliminary Universal Programming Architecture for GRUB
- * Copyright (C) 2002 Free Software Foundation, Inc.
- * Copyright (C) 2002 Yoshinori K. Okuji <okuji@enbug.org>
+ * Copyright (C) 2002 Free Software Foundation, Inc.
+ * Copyright (C) 2002,2003 Yoshinori K. Okuji <okuji@enbug.org>
*
* PUPA is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
break;
}
-void
+pupa_err_t
pupa_term_set_current (pupa_term_t term)
{
+ if (pupa_cur_term && pupa_cur_term->fini)
+ if ((pupa_cur_term->fini) () != PUPA_ERR_NONE)
+ return pupa_errno;
+
+ if (term->init)
+ if ((term->init) () != PUPA_ERR_NONE)
+ return pupa_errno;
+
pupa_cur_term = term;
+ pupa_cls ();
+ return PUPA_ERR_NONE;
}
pupa_term_t
return pupa_cur_term;
}
+/* Put a Unicode character. */
void
-pupa_putchar (int c)
+pupa_putcode (pupa_uint32_t code)
{
- if (c == '\t' && pupa_cur_term->getxy)
+ if (code == '\t' && pupa_cur_term->getxy)
{
int n;
-
+
n = 8 - ((pupa_getxy () >> 8) & 7);
while (n--)
- pupa_putchar (' ');
+ pupa_putcode (' ');
return;
}
- (pupa_cur_term->putchar) (c);
+ (pupa_cur_term->putchar) (code);
- if (c == '\n')
- pupa_putchar ('\r');
+ if (code == '\n')
+ pupa_putcode ('\r');
+}
+
+/* Put a character. C is one byte of a UTF-8 stream.
+ This function gathers bytes until a valid Unicode character is found. */
+void
+pupa_putchar (int c)
+{
+ static pupa_uint32_t code = 0;
+ static int count = 0;
+
+ if (count)
+ {
+ if ((c & 0xc0) != 0x80)
+ {
+ /* invalid */
+ code = '@';
+ count = 0;
+ }
+ else
+ {
+ code <<= 6;
+ code |= (c & 0x3f);
+ count--;
+ }
+ }
+ else
+ {
+ if ((c & 0x80) == 0x00)
+ code = c;
+ else if ((c & 0xe0) == 0xc0)
+ {
+ count = 1;
+ code = c & 0x1f;
+ }
+ else if ((c & 0xf0) == 0xe0)
+ {
+ count = 2;
+ code = c & 0x0f;
+ }
+ else if ((c & 0xf8) == 0xf0)
+ {
+ count = 3;
+ code = c & 0x07;
+ }
+ else if ((c & 0xfc) == 0xf8)
+ {
+ count = 4;
+ code = c & 0x03;
+ }
+ else if ((c & 0xfe) == 0xfc)
+ {
+ count = 5;
+ code = c & 0x01;
+ }
+ else
+ /* invalid */
+ code = '?';
+ }
+
+ if (count)
+ /* Not finished yet. */
+ return;
+
+ pupa_putcode (code);
}
int
#include <pupa/misc.h>
#include <pupa/mm.h>
#include <pupa/err.h>
+#include <pupa/term.h>
static pupa_command_t pupa_command_list;
return 0;
}
+static int
+terminal_command (int argc, char *argv[])
+{
+ pupa_term_t term = 0;
+
+ auto int print_terminal (pupa_term_t);
+ auto int find_terminal (pupa_term_t);
+
+ int print_terminal (pupa_term_t t)
+ {
+ pupa_printf (" %s", t->name);
+ return 0;
+ }
+
+ int find_terminal (pupa_term_t t)
+ {
+ if (pupa_strcmp (t->name, argv[0]) == 0)
+ {
+ term = t;
+ return 1;
+ }
+
+ return 0;
+ }
+
+ if (argc == 0)
+ {
+ pupa_printf ("Available terminal(s):");
+ pupa_term_iterate (print_terminal);
+ pupa_putchar ('\n');
+
+ pupa_printf ("Current terminal: %s\n", pupa_term_get_current ()->name);
+ }
+ else
+ {
+ pupa_term_iterate (find_terminal);
+ if (! term)
+ return pupa_error (PUPA_ERR_BAD_ARGUMENT, "no such terminal");
+
+ pupa_term_set_current (term);
+ }
+
+ return PUPA_ERR_NONE;
+}
+
void
pupa_command_init (void)
{
pupa_register_command ("rescue", rescue_command, PUPA_COMMAND_FLAG_BOTH,
"rescue",
"Enter into the rescue mode.");
+ pupa_register_command ("terminal", terminal_command, PUPA_COMMAND_FLAG_BOTH,
+ "terminal [TERM...]",
+ "Select a terminal.");
}
/* FIXME: These below are all runaround. */
-#define DISP_UP 0x18
-#define DISP_DOWN 0x19
-#define DISP_RIGHT 0x1a
-#define DISP_HLINE 0xc4
-#define DISP_VLINE 0xb3
-#define DISP_UL 0xda
-#define DISP_UR 0xbf
-#define DISP_LL 0xc0
-#define DISP_LR 0xd9
+#define DISP_LEFT 0x2190
+#define DISP_UP 0x2191
+#define DISP_RIGHT 0x2192
+#define DISP_DOWN 0x2193
+#define DISP_HLINE 0x2501
+#define DISP_VLINE 0x2503
+#define DISP_UL 0x250F
+#define DISP_UR 0x2513
+#define DISP_LL 0x2517
+#define DISP_LR 0x251B
static void
draw_border (void)
pupa_setcolorstate (PUPA_TERM_COLOR_NORMAL);
pupa_gotoxy (1, 3);
- pupa_putchar (DISP_UL);
+ pupa_putcode (DISP_UL);
for (i = 0; i < 73; i++)
- pupa_putchar (DISP_HLINE);
- pupa_putchar (DISP_UR);
+ pupa_putcode (DISP_HLINE);
+ pupa_putcode (DISP_UR);
i = 1;
while (1)
if (i > 12)
break;
- pupa_putchar (DISP_VLINE);
+ pupa_putcode (DISP_VLINE);
pupa_gotoxy (75, 3 + i);
- pupa_putchar (DISP_VLINE);
+ pupa_putcode (DISP_VLINE);
i++;
}
- pupa_putchar (DISP_LL);
+ pupa_putcode (DISP_LL);
for (i = 0; i < 73; i++)
- pupa_putchar (DISP_HLINE);
- pupa_putchar (DISP_LR);
+ pupa_putcode (DISP_HLINE);
+ pupa_putcode (DISP_LR);
pupa_setcolorstate (PUPA_TERM_COLOR_STANDARD);
}
print_message (int nested)
{
pupa_printf ("\n\
- Use the %c and %c keys to select which entry is highlighted.\n",
- DISP_UP, DISP_DOWN);
+ Use the %C and %C keys to select which entry is highlighted.\n",
+ (pupa_uint32_t) DISP_UP, (pupa_uint32_t) DISP_DOWN);
pupa_printf ("\
Press enter to boot the selected OS, \'e\' to edit the\n\
commands before booting, or \'c\' for a command-line.");
if (*title && x <= 72)
{
if (x == 72)
- pupa_putchar (DISP_RIGHT);
+ pupa_putcode (DISP_RIGHT);
else
pupa_putchar (*title++);
}
pupa_gotoxy (77, 4);
if (first)
- pupa_putchar (DISP_UP);
+ pupa_putcode (DISP_UP);
else
pupa_putchar (' ');
pupa_gotoxy (77, 4 + 12);
if (e)
- pupa_putchar (DISP_DOWN);
+ pupa_putcode (DISP_DOWN);
else
pupa_putchar (' ');
/*
* PUPA -- Preliminary Universal Programming Architecture for GRUB
* Copyright (C) 2002 Free Software Foundation, Inc.
- * Copyright (C) 2002 Yoshinori K. Okuji <okuji@enbug.org>
+ * Copyright (C) 2002,2003 Yoshinori K. Okuji <okuji@enbug.org>
*
* 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
static pupa_uint8_t pupa_console_normal_color = 0x7;
static pupa_uint8_t pupa_console_highlight_color = 0x70;
+static void
+pupa_console_putchar (pupa_uint32_t c)
+{
+ if (c > 0x7f)
+ {
+ /* Map some unicode characters to the VGA font, if possible. */
+ switch (c)
+ {
+ case 0x2190: /* left arrow */
+ c = 0x1b;
+ break;
+ case 0x2191: /* up arrow */
+ c = 0x18;
+ break;
+ case 0x2192: /* right arrow */
+ c = 0x1a;
+ break;
+ case 0x2193: /* down arrow */
+ c = 0x19;
+ break;
+ case 0x2501: /* horizontal line */
+ c = 0xc4;
+ break;
+ case 0x2503: /* vertical line */
+ c = 0xb3;
+ break;
+ case 0x250F: /* upper-left corner */
+ c = 0xda;
+ break;
+ case 0x2513: /* upper-right corner */
+ c = 0xbf;
+ break;
+ case 0x2517: /* lower-left corner */
+ c = 0xc0;
+ break;
+ case 0x251B: /* lower-right corner */
+ c = 0xd9;
+ break;
+
+ default:
+ c = '?';
+ break;
+ }
+ }
+
+ pupa_console_real_putchar (c);
+}
+
static void
pupa_console_setcolorstate (pupa_term_color_state state)
{
static struct pupa_term pupa_console_term =
{
.name = "console",
+ .init = 0,
+ .fini = 0,
.putchar = pupa_console_putchar,
.checkkey = pupa_console_checkkey,
.getkey = pupa_console_getkey,
--- /dev/null
+/*
+ * PUPA -- Preliminary Universal Programming Architecture for GRUB
+ * Copyright (C) 2000,2001,2002 Free Software Foundation, Inc.
+ * Copyright (C) 2003 Yoshinori K. Okuji <okuji@enbug.org>
+ *
+ * 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.
+ */
+
+#include <pupa/machine/vga.h>
+#include <pupa/machine/console.h>
+#include <pupa/term.h>
+#include <pupa/types.h>
+#include <pupa/dl.h>
+#include <pupa/misc.h>
+#include <pupa/normal.h>
+#include <pupa/font.h>
+
+#define DEBUG_VGA 0
+
+#define VGA_WIDTH 640
+#define VGA_HEIGHT 480
+#define CHAR_WIDTH 8
+#define CHAR_HEIGHT 16
+#define TEXT_WIDTH (VGA_WIDTH / CHAR_WIDTH)
+#define TEXT_HEIGHT (VGA_HEIGHT / CHAR_HEIGHT)
+#define VGA_MEM ((unsigned char *) 0xA0000)
+
+#define DEFAULT_FG_COLOR 0xa
+#define DEFAULT_BG_COLOR 0x0
+
+struct colored_char
+{
+ /* An Unicode codepoint. */
+ pupa_uint32_t code;
+
+ /* Color indexes. */
+ unsigned char fg_color;
+ unsigned char bg_color;
+
+ /* The width of this character minus one. */
+ unsigned char width;
+
+ /* The column index of this character. */
+ unsigned char index;
+};
+
+static pupa_dl_t my_mod;
+static unsigned char text_mode;
+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;
+
+/* Read a byte from a port. */
+static inline unsigned char
+inb (unsigned short port)
+{
+ unsigned char value;
+
+ asm volatile ("inb %w1, %0" : "=a" (value) : "Nd" (port));
+ asm volatile ("outb %%al, $0x80" : : );
+
+ return value;
+}
+
+/* Write a byte to a port. */
+static inline void
+outb (unsigned short port, unsigned char value)
+{
+ asm volatile ("outb %b0, %w1" : : "a" (value), "Nd" (port));
+ asm volatile ("outb %%al, $0x80" : : );
+}
+
+#define SEQUENCER_ADDR_PORT 0x3C4
+#define SEQUENCER_DATA_PORT 0x3C5
+#define MAP_MASK_REGISTER 0x02
+
+/* Get Map Mask Register. */
+static unsigned char
+get_map_mask (void)
+{
+ unsigned char old_addr;
+ unsigned char old_data;
+
+ old_addr = inb (SEQUENCER_ADDR_PORT);
+ outb (SEQUENCER_ADDR_PORT, MAP_MASK_REGISTER);
+
+ old_data = inb (SEQUENCER_DATA_PORT);
+
+ outb (SEQUENCER_ADDR_PORT, old_addr);
+
+ return old_data;
+}
+
+/* Set Map Mask Register. */
+static void
+set_map_mask (unsigned char mask)
+{
+ unsigned char old_addr;
+
+ old_addr = inb (SEQUENCER_ADDR_PORT);
+ outb (SEQUENCER_ADDR_PORT, MAP_MASK_REGISTER);
+
+ outb (SEQUENCER_DATA_PORT, mask);
+
+ outb (SEQUENCER_ADDR_PORT, old_addr);
+}
+
+static pupa_err_t
+pupa_vga_init (void)
+{
+ vga_font = pupa_vga_get_font ();
+ text_mode = pupa_vga_set_mode (0x12);
+ cursor_state = 1;
+ fg_color = DEFAULT_FG_COLOR;
+ bg_color = DEFAULT_BG_COLOR;
+ saved_map_mask = get_map_mask ();
+ set_map_mask (0x0f);
+
+ return PUPA_ERR_NONE;
+}
+
+static pupa_err_t
+pupa_vga_fini (void)
+{
+ set_map_mask (saved_map_mask);
+ pupa_vga_set_mode (text_mode);
+ return PUPA_ERR_NONE;
+}
+
+static int
+get_vga_glyph (pupa_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 pupa_font_get_glyph (code, bitmap, width);
+ }
+ }
+
+ if (bitmap)
+ pupa_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)
+{
+ return p >= VGA_MEM && p <= VGA_MEM + VGA_WIDTH * VGA_HEIGHT / 8;
+}
+
+static void
+write_char (void)
+{
+ struct colored_char *p = text_buf + xpos + ypos * TEXT_WIDTH;
+ unsigned char bitmap[32];
+ unsigned width;
+ unsigned char *mem_base = VGA_MEM + xpos + ypos * CHAR_HEIGHT * TEXT_WIDTH;
+ unsigned plane;
+
+ mem_base -= p->index;
+ p -= p->index;
+
+ if (! get_vga_glyph (p->code, bitmap, &width))
+ invalidate_char (p);
+
+ for (plane = 0x01; plane <= 0x08; plane <<= 1)
+ {
+ unsigned y;
+ unsigned offset;
+ unsigned char *mem;
+
+ set_map_mask (plane);
+
+ for (y = 0, offset = 0, mem = mem_base;
+ y < CHAR_HEIGHT;
+ y++, mem += TEXT_WIDTH)
+ {
+ unsigned i;
+
+ for (i = 0; i < 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;
+ offset++;
+
+ if (check_vga_mem (mem + i))
+ mem[i] = (fg_mask | bg_mask);
+ }
+ }
+ }
+
+ set_map_mask (0x0f);
+}
+
+static void
+write_cursor (void)
+{
+ unsigned char *mem = (VGA_MEM + xpos
+ + (ypos * CHAR_HEIGHT + CHAR_HEIGHT - 3) * TEXT_WIDTH);
+ if (check_vga_mem (mem))
+ *mem = 0xff;
+
+ mem += TEXT_WIDTH;
+ if (check_vga_mem (mem))
+ *mem = 0xff;
+}
+
+static void
+scroll_up (void)
+{
+ unsigned i;
+ unsigned plane;
+
+ pupa_memmove (text_buf, text_buf + TEXT_WIDTH,
+ sizeof (struct colored_char) * TEXT_WIDTH * (TEXT_HEIGHT - 1));
+
+ for (i = TEXT_WIDTH * (TEXT_HEIGHT - 1); i < TEXT_WIDTH * TEXT_HEIGHT; i++)
+ {
+ text_buf[i].code = ' ';
+ text_buf[i].fg_color = 0;
+ text_buf[i].bg_color = 0;
+ text_buf[i].width = 0;
+ text_buf[i].index = 0;
+ }
+
+ for (plane = 0x1; plane <= 0x8; plane <<= 1)
+ {
+ set_map_mask (plane);
+ pupa_memmove (VGA_MEM, VGA_MEM + VGA_WIDTH * CHAR_HEIGHT / 8,
+ VGA_WIDTH * (VGA_HEIGHT - CHAR_HEIGHT) / 8);
+ }
+
+ set_map_mask (0x0f);
+ pupa_memset (VGA_MEM + VGA_WIDTH * (VGA_HEIGHT - CHAR_HEIGHT) / 8, 0,
+ VGA_WIDTH * CHAR_HEIGHT / 8);
+}
+
+static void
+pupa_vga_putchar (pupa_uint32_t c)
+{
+ static int show = 1;
+
+ if (c == '\a')
+ /* FIXME */
+ return;
+
+ if (c == '\b' || c == '\n' || c == '\r')
+ {
+ /* Erase current cursor, if any. */
+ if (cursor_state)
+ write_char ();
+
+ switch (c)
+ {
+ case '\b':
+ if (xpos > 0)
+ xpos--;
+ break;
+
+ case '\n':
+ if (ypos >= TEXT_HEIGHT)
+ scroll_up ();
+ else
+ ypos++;
+ break;
+
+ case '\r':
+ xpos = 0;
+ break;
+ }
+
+ if (cursor_state)
+ write_cursor ();
+ }
+ else
+ {
+ unsigned width;
+ struct colored_char *p;
+
+ get_vga_glyph (c, 0, &width);
+
+ if (xpos + width > TEXT_WIDTH)
+ pupa_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->index = 0;
+
+ if (width > 1)
+ {
+ unsigned i;
+
+ for (i = 1; i < width; i++)
+ {
+ p[i].code = ' ';
+ p[i].width = width - 1;
+ p[i].index = i;
+ }
+ }
+
+ write_char ();
+
+ xpos += width;
+ if (xpos >= TEXT_WIDTH)
+ {
+ xpos = 0;
+
+ if (ypos >= TEXT_HEIGHT)
+ scroll_up ();
+ else
+ ypos++;
+ }
+
+ if (cursor_state)
+ write_cursor ();
+ }
+
+#if DEBUG_VGA
+ if (show)
+ {
+ pupa_uint16_t pos = pupa_getxy ();
+
+ show = 0;
+ pupa_gotoxy (0, 0);
+ pupa_printf ("[%u:%u]", (unsigned) (pos >> 8), (unsigned) (pos & 0xff));
+ pupa_gotoxy (pos >> 8, pos & 0xff);
+ show = 1;
+ }
+#endif
+}
+
+ static pupa_uint16_t
+ pupa_vga_getxy (void)
+ {
+ return ((xpos << 8) | ypos);
+ }
+
+ static void
+ pupa_vga_gotoxy (pupa_uint8_t x, pupa_uint8_t y)
+ {
+ if (x >= TEXT_WIDTH || y >= TEXT_HEIGHT)
+ {
+ pupa_error (PUPA_ERR_OUT_OF_RANGE, "invalid point (%u,%u)",
+ (unsigned) x, (unsigned) y);
+ return;
+ }
+
+ if (cursor_state)
+ write_char ();
+
+ xpos = x;
+ ypos = y;
+
+ if (cursor_state)
+ write_cursor ();
+ }
+
+ static void
+ pupa_vga_cls (void)
+ {
+ unsigned i;
+
+ for (i = 0; i < TEXT_WIDTH * TEXT_HEIGHT; i++)
+ {
+ text_buf[i].code = ' ';
+ text_buf[i].fg_color = 0;
+ text_buf[i].bg_color = 0;
+ text_buf[i].width = 0;
+ text_buf[i].index = 0;
+ }
+
+ pupa_memset (VGA_MEM, 0, VGA_WIDTH * VGA_HEIGHT / 8);
+
+ xpos = ypos = 0;
+ }
+
+ static void
+ pupa_vga_setcolorstate (pupa_term_color_state state)
+ {
+ switch (state)
+ {
+ case PUPA_TERM_COLOR_STANDARD:
+ case PUPA_TERM_COLOR_NORMAL:
+ fg_color = DEFAULT_FG_COLOR;
+ bg_color = DEFAULT_BG_COLOR;
+ break;
+ case PUPA_TERM_COLOR_HIGHLIGHT:
+ fg_color = DEFAULT_BG_COLOR;
+ bg_color = DEFAULT_FG_COLOR;
+ break;
+ default:
+ break;
+ }
+ }
+
+ static void
+ pupa_vga_setcolor (pupa_uint8_t normal_color, pupa_uint8_t highlight_color)
+ {
+ /* FIXME */
+ }
+
+ static void
+ pupa_vga_setcursor (int on)
+ {
+ if (cursor_state != on)
+ {
+ if (cursor_state)
+ write_char ();
+ else
+ write_cursor ();
+
+ cursor_state = on;
+ }
+ }
+
+ static struct pupa_term pupa_vga_term =
+ {
+ .name = "vga",
+ .init = pupa_vga_init,
+ .fini = pupa_vga_fini,
+ .putchar = pupa_vga_putchar,
+ .checkkey = pupa_console_checkkey,
+ .getkey = pupa_console_getkey,
+ .getxy = pupa_vga_getxy,
+ .gotoxy = pupa_vga_gotoxy,
+ .cls = pupa_vga_cls,
+ .setcolorstate = pupa_vga_setcolorstate,
+ .setcolor = pupa_vga_setcolor,
+ .setcursor = pupa_vga_setcursor,
+ .flags = 0,
+ .next = 0
+ };
+
+static int
+debug_command (int argc, char *argv[])
+{
+ pupa_printf ("こんにちは\n");
+
+ return 0;
+}
+
+PUPA_MOD_INIT
+{
+ my_mod = mod;
+ pupa_term_register (&pupa_vga_term);
+ pupa_register_command ("debug", debug_command, PUPA_COMMAND_FLAG_CMDLINE,
+ "debug", "Debug it!");
+}
+
+PUPA_MOD_FINI
+{
+ pupa_term_unregister (&pupa_vga_term);
+}
--- /dev/null
+#! /usr/bin/ruby -w
+#
+# Copyright (C) 2003 Yoshinori K. Okuji <okuji@enbug.org>
+#
+# This unifont2pff.rb is free software; the author
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+# The magic number of the font file.
+MAGIC = "PPF\x7f"
+
+def usage(status = 0)
+ puts "Usage: ruby unifont2pff.rb [RANGE...] FILE"
+ exit(status)
+end
+
+file = ARGV.pop
+
+ranges = []
+ARGV.each do |range|
+ if /\A([0-9a-fA-F]+):([0-9a-fA-F]+)\z/ =~ range
+ ranges << [$1.hex, $2.hex]
+ elsif /\A([0-9a-fA-F]+)\z/ =~ range
+ ranges << [$1.hex, $1.hex]
+ else
+ usage(1)
+ end
+end
+
+def ranges.contain?(code)
+ if self.empty?
+ true
+ else
+ self.each do |r|
+ return true if r[0] <= code and r[1] >= code
+ end
+ false
+ end
+end
+
+fonts = []
+IO.foreach(file) do |line|
+ if /^([0-9A-F]+):([0-9A-F]+)$/ =~ line
+ code = $1.hex
+ next unless ranges.contain?(code)
+
+ bitmap = $2
+ if bitmap.size != 32 and bitmap.size != 64
+ raise "invalid bitmap size: #{bitmap}"
+ end
+
+ fonts << [code, bitmap]
+ else
+ raise "invalid line format: #{line}"
+ end
+end
+
+fonts.sort! {|a,b| a[0] <=> b[0]}
+
+# Output the result.
+print MAGIC
+print [fonts.size].pack('V')
+
+offset = 8 + fonts.size * 8
+fonts.each do |f|
+ print [f[0]].pack('V')
+ print [offset].pack('V')
+ offset += 4 + 16 * f[1].size / 32
+end
+
+fonts.each do |f|
+ print [f[1].size / 32].pack('V')
+ print f[1].scan(/../).collect {|a| a.hex}.pack('C*')
+end