vbatts
/
grub
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

pull-in func-params again

This commit is contained in:
BVK Chaitanya 2010-05-12 17:59:09 +05:30
parent 8f6a910b23 04888e8787
commit 2e961bd737
18 changed files with 1056 additions and 801 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

96
ChangeLog
View File

@ -1,3 +1,99 @@
2010-05-09 Vladimir Serbinenko <phcoder@gmail.com>
Transform (broken) vga terminal into (working) vga video driver.
* conf/i386-pc.rmk (vga_mod_SOURCES): Change term/i386/pc/vga.c to
video/i386/pc/vga.c.
* include/grub/video.h (grub_video_driver_id):
Add GRUB_VIDEO_DRIVER_VGA.
* term/i386/pc/vga.c: Renamed to ...
* video/i386/pc/vga.c: ...this
(DEBUG_VGA): Removed.
(CHAR_WIDTH): Likewise.
(CHAR_HEIGHT): Likewise.
(TEXT_WIDTH): Likewise.
(TEXT_HEIGHT): Likewise.
(DEFAULT_FG_COLOR): Likewise.
(DEFAULT_BG_COLOR): Likewise.
(colored_char): Likewise.
(xpos): Likewise.
(ypos): Likewise.
(cursor_state): Likewise.
(fg_color): Likewise.
(bg_color): Likewise.
(text_buf): Likewise.
(page): Likewise.
(font): Likewise.
(framebuffer): New variable.
(set_read_map): Disabled.
(setup): New variable.
(is_target): Likewise.
(grub_vga_mod_init): Likewise.
(grub_vga_mod_fini): Likewise.
(check_vga_mem): Likewise.
(write_char): Likewise.
(write_cursor): Likewise.
(scroll_up): Likewise.
(grub_vga_putchar): Likewise.
(grub_vga_getcharwidth): Likewise.
(grub_vga_getwh): Likewise.
(grub_vga_getxy): Likewise.
(grub_vga_gotoxy): Likewise.
(grub_vga_cls): Likewise.
(grub_vga_setcolorstate): Likewise.
(grub_vga_setcursor): Likewise.
(grub_video_vga_init): New function.
(grub_video_vga_setup): Likewise.
(grub_video_vga_fini): Likewise.
(update_target): Likewise.
(grub_video_vga_blit_bitmap): Likewise.
(grub_video_vga_blit_render_target): Likewise.
(grub_video_vga_set_active_render_target): Likewise.
(grub_video_vga_get_active_render_target): Likewise.
(grub_video_vga_swap_buffers): Likewise.
(grub_video_vga_set_palette): Likewise.
(grub_video_vga_get_info_and_fini): Likewise.
(grub_vga_term): Removed.
(grub_video_vga_adapter): New variable.
(GRUB_MOD_INIT): Register a video driver instead of terminal.
(GRUB_MOD_FINI): Unrefister a video driver instead of terminal.
2010-05-05 Vladimir Serbinenko <phcoder@gmail.com>
* video/readers/jpeg.c: Indented.
2010-05-05 Vladimir Serbinenko <phcoder@gmail.com>
Various jpeg cleanups.
* video/readers/jpeg.c (grub_jpeg_get_huff_code): Use ARRAY_SIZE.
(grub_jpeg_decode_quan_table): Use sizeof.
(grub_jpeg_decode_du): Use ARRAY_SIZE.
2010-05-05 Peter Hurley <No e-mail available> (tiny change)
* video/readers/jpeg.c (grub_jpeg_decode_huff_table): Loop over all
tables. Ignore non-last ac bit.
(grub_jpeg_decode_quan_table): Likewise.
2010-05-05 Vladimir Serbinenko <phcoder@gmail.com>
* include/grub/ieee1275/ieee1275.h (grub_ieee1275_flag): New value
GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM.
* kern/ieee1275/cmain.c (grub_ieee1275_find_options): Set
GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM on qemu.
* kern/ieee1275/init.c (grub_claim_heap): Don0t allocate below
1.5MiB if GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM is set.
2010-05-05 Vladimir Serbinenko <phcoder@gmail.com>
* term/ieee1275/ofconsole.c (grub_ofconsole_getkey): Fix off-by-one
error.
2010-05-05 Vladimir Serbinenko <phcoder@gmail.com>
* term/ieee1275/ofconsole.c (grub_ofconsole_readkey): Support C0 code.
2010-05-03 Vladimir Serbinenko <phcoder@gmail.com>
* commands/parttool.c (grub_cmd_parttool): Fix #if !GRUB_NO_MODULES

2
conf/common.rmk
View File

@ -660,7 +660,7 @@ normal_mod_CFLAGS = $(COMMON_CFLAGS)
normal_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For sh.mod.
sh_mod_SOURCES = script/main.c script/script.c script/execute.c \
sh_mod_SOURCES = script/main.c script/script.c script/argv.c script/execute.c \
script/function.c script/lexer.c grub_script.tab.c grub_script.yy.c
sh_mod_CFLAGS = $(COMMON_CFLAGS) $(POSIX_CFLAGS) -Wno-error
sh_mod_LDFLAGS = $(COMMON_LDFLAGS)

2
conf/i386-pc.rmk
View File

@ -185,7 +185,7 @@ vbetest_mod_CFLAGS = $(COMMON_CFLAGS)
vbetest_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For vga.mod.
vga_mod_SOURCES = term/i386/pc/vga.c
vga_mod_SOURCES = video/i386/pc/vga.c
vga_mod_CFLAGS = $(COMMON_CFLAGS)
vga_mod_LDFLAGS = $(COMMON_LDFLAGS)

3
include/grub/ieee1275/ieee1275.h
View File

@ -100,6 +100,9 @@ enum grub_ieee1275_flag
/* Open Hack'Ware don't support the ANSI sequence. */
GRUB_IEEE1275_FLAG_NO_ANSI,
/* OpenFirmware hangs on qemu if one requests any memory below 1.5 MiB. */
GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM,
};
extern int EXPORT_FUNC(grub_ieee1275_test_flag) (enum grub_ieee1275_flag flag);

21
include/grub/script_sh.h
View File

@ -64,6 +64,13 @@ struct grub_script_arg
struct grub_script_arg *next;
};
/* An argument vector. */
struct grub_script_argv
{
int argc;
char **args;
};
/* A complete argument. It consists of a list of one or more `struct
grub_script_arg's. */
struct grub_script_arglist
@ -74,15 +81,6 @@ struct grub_script_arglist
int argcount;
};
/* Scope for grub script constructs. */
struct grub_script_scope
{
struct grub_script_scope *next;
char **args;
unsigned int argc;
};
/* A single command line. */
struct grub_script_cmdline
{
@ -225,6 +223,11 @@ struct grub_parser_param
struct grub_lexer_param *lexerstate;
};
void grub_script_argv_free (struct grub_script_argv *argv);
int grub_script_argv_next (struct grub_script_argv *argv);
int grub_script_argv_append (struct grub_script_argv *argv, const char *s);
int grub_script_argv_split_append (struct grub_script_argv *argv, char *s);
struct grub_script_arglist *
grub_script_create_arglist (struct grub_parser_param *state);

3
include/grub/video.h
View File

@ -181,7 +181,8 @@ typedef enum grub_video_driver_id
GRUB_VIDEO_DRIVER_VBE,
GRUB_VIDEO_DRIVER_EFI_UGA,
GRUB_VIDEO_DRIVER_EFI_GOP,
GRUB_VIDEO_DRIVER_SM712
GRUB_VIDEO_DRIVER_SM712,
GRUB_VIDEO_DRIVER_VGA
} grub_video_driver_id_t;
struct grub_video_adapter

10
kern/ieee1275/cmain.c
View File

@ -59,6 +59,7 @@ grub_ieee1275_find_options (void)
char tmp[32];
int is_smartfirmware = 0;
int is_olpc = 0;
int is_qemu = 0;
grub_ieee1275_finddevice ("/", &root);
grub_ieee1275_finddevice ("/options", &options);
@ -79,6 +80,11 @@ grub_ieee1275_find_options (void)
if (rc >= 0 && !grub_strcmp (tmp, "OLPC"))
is_olpc = 1;
rc = grub_ieee1275_get_property (root, "model",
tmp, sizeof (tmp), 0);
if (rc >= 0 && !grub_strcmp (tmp, "Emulated PC"))
is_qemu = 1;
if (is_smartfirmware)
{
/* Broken in all versions */
@ -135,6 +141,10 @@ grub_ieee1275_find_options (void)
grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_OFDISK_SDCARD_ONLY);
}
if (is_qemu)
/* OpenFirmware hangs on qemu if one requests any memory below 1.5 MiB. */
grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM);
if (! grub_ieee1275_finddevice ("/rom/boot-rom", &bootrom))
{
rc = grub_ieee1275_get_property (bootrom, "model", tmp, sizeof (tmp), 0);

11
kern/ieee1275/init.c
View File

@ -133,6 +133,17 @@ static void grub_claim_heap (void)
if (type != 1)
return 0;
if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM))
{
if (addr + len <= 0x180000)
return 0;
if (addr < 0x180000)
{
len = addr + len - 0x180000;
addr = 0x180000;
}
}
len -= 1; /* Required for some firmware. */
/* Never exceed HEAP_MAX_SIZE */

128
script/argv.c Normal file
View File

@ -0,0 +1,128 @@
/* argv.c - methods for constructing argument vector */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2010 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/mm.h>
#include <grub/script_sh.h>
#define ARG_ALLOCATION_UNIT (32 * sizeof (char))
#define ARGV_ALLOCATION_UNIT (8 * sizeof (void*))
void
grub_script_argv_free (struct grub_script_argv *argv)
{
int i;
if (argv->args)
{
for (i = 0; i < argv->argc; i++)
grub_free (argv->args[i]);
grub_free (argv->args);
}
argv->argc = 0;
argv->args = 0;
}
/* Prepare for next argc. */
int
grub_script_argv_next (struct grub_script_argv *argv)
{
char **p = argv->args;
if (argv->argc == 0)
{
p = grub_malloc (ALIGN_UP (2 * sizeof (char *), ARG_ALLOCATION_UNIT));
if (! p)
return 1;
argv->argc = 1;
argv->args = p;
argv->args[0] = 0;
argv->args[1] = 0;
return 0;
}
if (! argv->args[argv->argc - 1])
return 0;
p = grub_realloc (p, ALIGN_UP ((argv->argc + 1) * sizeof (char *),
ARG_ALLOCATION_UNIT));
if (! p)
return 1;
argv->argc++;
argv->args = p;
argv->args[argv->argc] = 0;
return 0;
}
/* Append `s' to the last argument. */
int
grub_script_argv_append (struct grub_script_argv *argv, const char *s)
{
int a, b;
char *p = argv->args[argv->argc - 1];
if (! s)
return 0;
a = p ? grub_strlen (p) : 0;
b = grub_strlen (s);
p = grub_realloc (p, ALIGN_UP ((a + b + 1) * sizeof (char),
ARG_ALLOCATION_UNIT));
if (! p)
return 1;
grub_strcpy (p + a, s);
argv->args[argv->argc - 1] = p;
return 0;
}
/* Split `s' and append words as multiple arguments. */
int
grub_script_argv_split_append (struct grub_script_argv *argv, char *s)
{
char ch;
char *p;
int errors = 0;
if (! s)
return 0;
while (! errors && *s)
{
p = s;
while (*s && ! grub_isspace (*s))
s++;
ch = *s;
*s = '\0';
errors += grub_script_argv_append (argv, p);
*s = ch;
while (*s && grub_isspace (*s))
s++;
if (*s)
errors += grub_script_argv_next (argv);
}
return errors;
}

381
script/execute.c
View File

@ -32,6 +32,12 @@
static unsigned long active_loops;
static unsigned long active_breaks;
/* Scope for grub script functions. */
struct grub_script_scope
{
struct grub_script_argv argv;
};
static struct grub_script_scope *scope = 0;
grub_err_t
@ -52,50 +58,175 @@ grub_script_break (grub_command_t cmd __attribute__((unused)),
return GRUB_ERR_NONE;
}
static char *
grub_script_env_get (const char *name)
static int
grub_env_special (const char *name)
{
char *p = 0;
unsigned long num = 0;
if (grub_isdigit (name[0]) ||
grub_strcmp (name, "#") == 0 ||
grub_strcmp (name, "*") == 0 ||
grub_strcmp (name, "@") == 0)
return 1;
return 0;
}
if (! scope)
return grub_env_get (name);
static char **
grub_script_env_get (const char *name, grub_script_arg_type_t type)
{
int errors = 0;
struct grub_script_argv result = { 0, 0 };
if (grub_isdigit (name[0]))
errors += grub_script_argv_next (&result);
if (! grub_env_special (name))
{
num = grub_strtoul (name, &p, 10);
if (p && *p == '\0')
char *v = grub_env_get (name);
if (v && v[0])
{
if (num == 0)
return 0; /* XXX no file name, for now. */
return (num > scope->argc ? 0 : scope->args[num - 1]);
}
else
{
grub_error (GRUB_ERR_BAD_ARGUMENT, "bad variabe name substitution");
return 0;
if (type == GRUB_SCRIPT_ARG_TYPE_VAR)
errors += grub_script_argv_split_append (&result, v);
else
errors += grub_script_argv_append (&result, v);
}
}
else if (! scope)
errors += grub_script_argv_append (&result, 0);
else if (grub_strcmp (name, "#") == 0)
{
static char buf[32]; /* Rewritten everytime. */
grub_snprintf (buf, sizeof (buf), "%u", scope->argc);
return buf;
char buffer[ERRNO_DIGITS_MAX + 1];
grub_snprintf (buffer, sizeof (buffer), "%u", scope->argv.argc);
errors += grub_script_argv_append (&result, buffer);
}
else if (grub_strcmp (name, "*") == 0)
{
int i;
for (i = 0; ! errors && i < scope->argv.argc; i++)
if (type == GRUB_SCRIPT_ARG_TYPE_VAR)
{
if (i != 0)
errors += grub_script_argv_next (&result);
errors += grub_script_argv_split_append (&result,
scope->argv.args[i]);
}
else
{
if (i != 0)
errors += grub_script_argv_append (&result, " ");
errors += grub_script_argv_append (&result,
scope->argv.args[i]);
}
}
else if (grub_strcmp (name, "@") == 0)
{
int i;
for (i = 0; ! errors && i < scope->argv.argc; i++)
{
if (i != 0)
errors += grub_script_argv_next (&result);
if (type == GRUB_SCRIPT_ARG_TYPE_VAR)
errors += grub_script_argv_split_append (&result,
scope->argv.args[i]);
else
errors += grub_script_argv_append (&result,
scope->argv.args[i]);
}
}
else
return grub_env_get (name);
{
unsigned long num = grub_strtoul (name, 0, 10);
if (num == 0)
; /* XXX no file name, for now. */
else if (num <= scope->argv.argc)
{
if (type == GRUB_SCRIPT_ARG_TYPE_VAR)
errors += grub_script_argv_split_append (&result,
scope->argv.args[num - 1]);
else
errors += grub_script_argv_append (&result,
scope->argv.args[num - 1]);
}
}
if (errors)
{
grub_script_argv_free (&result);
return 0;
}
return result.args;
}
static grub_err_t
grub_script_env_set (const char *name, const char *val)
{
if (grub_isdigit (name[0]) || grub_strcmp (name, "#") == 0)
if (grub_env_special (name))
return grub_error (GRUB_ERR_BAD_ARGUMENT, "bad variable name");
return grub_env_set (name, val);
}
/* Expand arguments in ARGLIST into multiple arguments. */
static int
grub_script_arglist_to_argv (struct grub_script_arglist *arglist,
struct grub_script_argv *argv)
{
int i;
int error = 0;
char **values = 0;
struct grub_script_arg *arg = 0;
struct grub_script_argv result = { 0, 0 };
for (; error == 0 && arglist && arglist->arg; arglist = arglist->next)
{
error += grub_script_argv_next (&result);
arg = arglist->arg;
while (arg)
{
if (error)
break;
switch (arg->type)
{
case GRUB_SCRIPT_ARG_TYPE_VAR:
case GRUB_SCRIPT_ARG_TYPE_DQVAR:
values = grub_script_env_get (arg->str, arg->type);
for (i = 0; values && values[i]; i++)
{
if (i != 0)
error += grub_script_argv_next (&result);
error += grub_script_argv_append (&result, values[i]);
}
grub_free (values);
break;
case GRUB_SCRIPT_ARG_TYPE_TEXT:
if (grub_strlen (arg->str))
error += grub_script_argv_append (&result, arg->str);
break;
case GRUB_SCRIPT_ARG_TYPE_DQSTR:
case GRUB_SCRIPT_ARG_TYPE_SQSTR:
error += grub_script_argv_append (&result, arg->str);
break;
}
arg = arg->next;
}
}
if (error)
return 1;
if (! result.args[result.argc - 1])
result.argc--;
*argv = result;
return 0;
}
static grub_err_t
grub_script_execute_cmd (struct grub_script_cmd *cmd)
{
@ -112,168 +243,26 @@ grub_script_execute_cmd (struct grub_script_cmd *cmd)
return ret;
}
#define ARG_ALLOCATION_UNIT (32 * sizeof (char))
#define ARGV_ALLOCATION_UNIT (8 * sizeof (void*))
/* Expand arguments in ARGLIST into multiple arguments. */
char **
grub_script_execute_arglist_to_argv (struct grub_script_arglist *arglist, int *count)
{
int i;
int oom;
int argc;
int empty;
char *ptr;
char **argv;
char *value;
struct grub_script_arg *arg;
auto void push (char *str);
void push (char *str)
{
char **p;
if (oom)
return;
p = grub_realloc (argv, ALIGN_UP (sizeof(char*) * (argc + 1), ARGV_ALLOCATION_UNIT));
if (!p)
oom = 1;
else
{
p[argc++] = str;
argv = p;
}
}
auto char* append (const char *str, grub_size_t nchar);
char* append (const char *str, grub_size_t nchar)
{
int len;
int old;
char *p;
if (oom || !str)
return 0;
len = nchar ?: grub_strlen (str);
old = argv[argc - 1] ? grub_strlen (argv[argc - 1]) : 0;
p = grub_realloc (argv[argc - 1], ALIGN_UP(old + len + 1, ARG_ALLOCATION_UNIT));
if (p)
{
grub_strncpy (p + old, str, len);
p[old + len] = '\0';
}
else
{
oom = 1;
grub_free (argv[argc - 1]);
}
argv[argc - 1] = p;
return argv[argc - 1];
}
/* Move *STR to the begining of next word, but return current word. */
auto char* move_to_next (char **str);
char* move_to_next (char **str)
{
char *end;
char *start;
if (oom || !str || !*str)
return 0;
start = *str;
while (*start && grub_isspace (*start)) start++;
if (*start == '\0')
return 0;
end = start + 1;
while (*end && !grub_isspace (*end)) end++;
*str = end;
return start;
}
oom = 0;
argv = 0;
argc = 0;
push (0);
for (; arglist; arglist = arglist->next)
{
empty = 1;
arg = arglist->arg;
while (arg)
{
switch (arg->type)
{
case GRUB_SCRIPT_ARG_TYPE_VAR:
value = grub_script_env_get (arg->str);
while (value && *value && (ptr = move_to_next(&value)))
{
empty = 0;
append (ptr, value - ptr);
if (*value) push(0);
}
break;
case GRUB_SCRIPT_ARG_TYPE_TEXT:
if (grub_strlen (arg->str) > 0)
{
empty = 0;
append (arg->str, 0);
}
break;
case GRUB_SCRIPT_ARG_TYPE_DQSTR:
case GRUB_SCRIPT_ARG_TYPE_SQSTR:
empty = 0;
append (arg->str, 0);
break;
case GRUB_SCRIPT_ARG_TYPE_DQVAR:
empty = 0;
append (grub_script_env_get (arg->str), 0);
break;
}
arg = arg->next;
}
if (!empty)
push (0);
}
if (oom)
{
for (i = 0; i < argc; i++)
grub_free (argv[i]);
grub_free (argv);
argv = 0;
}
if (argv)
*count = argc - 1;
return argv;
}
/* Execute a function call. */
grub_err_t
grub_script_function_call (grub_script_function_t func, int argc, char **args)
{
grub_err_t ret = 0;
unsigned long loops = active_loops;
struct grub_script_scope *old_scope;
struct grub_script_scope new_scope;
active_loops = 0;
new_scope.argc = argc;
new_scope.args = args;
grub_list_push (GRUB_AS_LIST_P (&scope), GRUB_AS_LIST (&new_scope));
new_scope.argv.argc = argc;
new_scope.argv.args = args;
old_scope = scope;
scope = &new_scope;
ret = grub_script_execute (func->func);
grub_list_pop (GRUB_AS_LIST_P (&scope));
active_loops = loops;
scope = old_scope;
return ret;
}
@ -282,21 +271,18 @@ grub_err_t
grub_script_execute_cmdline (struct grub_script_cmd *cmd)
{
struct grub_script_cmdline *cmdline = (struct grub_script_cmdline *) cmd;
char **args = 0;
int i = 0;
grub_command_t grubcmd;
grub_err_t ret = 0;
int argcount = 0;
grub_script_function_t func = 0;
char errnobuf[18];
char *cmdname;
struct grub_script_argv argv = { 0, 0 };
/* Lookup the command. */
args = grub_script_execute_arglist_to_argv (cmdline->arglist, &argcount);
if (!args)
if (grub_script_arglist_to_argv (cmdline->arglist, &argv))
return grub_errno;
cmdname = args[0];
cmdname = argv.args[0];
grubcmd = grub_command_find (cmdname);
if (! grubcmd)
{
@ -323,7 +309,7 @@ grub_script_execute_cmdline (struct grub_script_cmd *cmd)
grub_free (assign);
grub_snprintf (errnobuf, sizeof (errnobuf), "%d", grub_errno);
grub_script_env_set ("?", errnobuf);
grub_env_set ("?", errnobuf);
grub_print_error ();
@ -333,14 +319,12 @@ grub_script_execute_cmdline (struct grub_script_cmd *cmd)
/* Execute the GRUB command or function. */
if (grubcmd)
ret = (grubcmd->func) (grubcmd, argcount - 1, args + 1);
ret = (grubcmd->func) (grubcmd, argv.argc - 1, argv.args + 1);
else
ret = grub_script_function_call (func, argcount - 1, args + 1);
ret = grub_script_function_call (func, argv.argc - 1, argv.args + 1);
/* Free arguments. */
for (i = 0; i < argcount; i++)
grub_free (args[i]);
grub_free (args);
grub_script_argv_free (&argv);
if (grub_errno == GRUB_ERR_TEST_FAILURE)
grub_errno = GRUB_ERR_NONE;
@ -377,7 +361,7 @@ grub_script_execute_cmdif (struct grub_script_cmd *cmd)
/* Check if the commands results in a true or a false. The value is
read from the env variable `?'. */
grub_script_execute_cmd (cmdif->exec_to_evaluate);
result = grub_script_env_get ("?");
result = grub_env_get ("?");
grub_errno = GRUB_ERR_NONE;
@ -395,31 +379,28 @@ grub_script_execute_cmdfor (struct grub_script_cmd *cmd)
{
int i;
int result;
char **args;
int argcount;
struct grub_script_argv argv;
struct grub_script_cmdfor *cmdfor = (struct grub_script_cmdfor *) cmd;
args = grub_script_execute_arglist_to_argv (cmdfor->words, &argcount);
if (!args)
if (grub_script_arglist_to_argv (cmdfor->words, &argv))
return grub_errno;
active_loops++;
result = 0;
for (i = 0; i < argcount; i++)
for (i = 0; i < argv.argc; i++)
{
if (! active_breaks)
{
grub_script_env_set (cmdfor->name->str, args[i]);
grub_script_env_set (cmdfor->name->str, argv.args[i]);
result = grub_script_execute_cmd (cmdfor->list);
}
grub_free (args[i]);
}
if (active_breaks)
active_breaks--;
active_loops--;
grub_free (args);
grub_script_argv_free (&argv);
return result;
}
@ -457,26 +438,20 @@ grub_err_t
grub_script_execute_menuentry (struct grub_script_cmd *cmd)
{
struct grub_script_cmd_menuentry *cmd_menuentry;
char **args = 0;
int argcount = 0;
int i = 0;
struct grub_script_argv argv = {0, 0};
cmd_menuentry = (struct grub_script_cmd_menuentry *) cmd;
if (cmd_menuentry->arglist)
{
args = grub_script_execute_arglist_to_argv (cmd_menuentry->arglist, &argcount);
if (!args)
if (grub_script_arglist_to_argv (cmd_menuentry->arglist, &argv))
return grub_errno;
}
grub_normal_add_menu_entry (argcount, (const char **) args,
grub_normal_add_menu_entry (argv.argc, (const char **) argv.args,
cmd_menuentry->sourcecode);
/* Free arguments. */
for (i = 0; i < argcount; i++)
grub_free (args[i]);
grub_free (args);
grub_script_argv_free (&argv);
return grub_errno;
}

2
script/yylex.l
View File

@ -119,7 +119,7 @@ DIGITS [[:digit:]]+
NAME [[:alpha:]_][[:alnum:][:digit:]_]*
ESC \\.
SPECIAL \?|\#
SPECIAL \?|\#|\*|\@
VARIABLE ${NAME}|$\{{NAME}\}|${DIGITS}|$\{{DIGITS}\}|${SPECIAL}|$\{{SPECIAL}\}
DQSTR \"([^\\\"]|{ESC})*\"
SQSTR \'[^\']*\'

513
term/i386/pc/vga.c
View File

@ -1,513 +0,0 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2000,2001,2002,2003,2004,2005,2007,2008,2009 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
// TODO: Deprecated and broken. Needs to be converted to Video Driver!
#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>
#include <grub/misc.h>
#include <grub/font.h>
#define DEBUG_VGA 0
#define VGA_WIDTH 640
#define VGA_HEIGHT 350
#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 ((grub_uint8_t *) GRUB_MEMORY_MACHINE_VGA_ADDR)
#define PAGE_OFFSET(x) ((x) * (VGA_WIDTH * VGA_HEIGHT / 8))
#define DEFAULT_FG_COLOR 0xa
#define DEFAULT_BG_COLOR 0x0
struct colored_char
{
/* An Unicode codepoint. */
grub_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 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 saved_map_mask;
static int page = 0;
static grub_font_t font = 0;
#define SEQUENCER_ADDR_PORT 0x3C4
#define SEQUENCER_DATA_PORT 0x3C5
#define MAP_MASK_REGISTER 0x02
#define CRTC_ADDR_PORT 0x3D4
#define CRTC_DATA_PORT 0x3D5
#define START_ADDR_HIGH_REGISTER 0x0C
#define START_ADDR_LOW_REGISTER 0x0D
#define GRAPHICS_ADDR_PORT 0x3CE
#define GRAPHICS_DATA_PORT 0x3CF
#define READ_MAP_REGISTER 0x04
#define INPUT_STATUS1_REGISTER 0x3DA
#define INPUT_STATUS1_VERTR_BIT 0x08
static inline void
wait_vretrace (void)
{
/* Wait until there is a vertical retrace. */
while (! (grub_inb (INPUT_STATUS1_REGISTER) & INPUT_STATUS1_VERTR_BIT));
}
/* Get Map Mask Register. */
static unsigned char
get_map_mask (void)
{
unsigned char old_addr;
unsigned char old_data;
old_addr = grub_inb (SEQUENCER_ADDR_PORT);
grub_outb (MAP_MASK_REGISTER, SEQUENCER_ADDR_PORT);
old_data = grub_inb (SEQUENCER_DATA_PORT);
grub_outb (old_addr, SEQUENCER_ADDR_PORT);
return old_data;
}
/* Set Map Mask Register. */
static void
set_map_mask (unsigned char mask)
{
unsigned char old_addr;
old_addr = grub_inb (SEQUENCER_ADDR_PORT);
grub_outb (MAP_MASK_REGISTER, SEQUENCER_ADDR_PORT);
grub_outb (mask, SEQUENCER_DATA_PORT);
grub_outb (old_addr, SEQUENCER_ADDR_PORT);
}
/* Set Read Map Register. */
static void
set_read_map (unsigned char map)
{
unsigned char old_addr;
old_addr = grub_inb (GRAPHICS_ADDR_PORT);
grub_outb (READ_MAP_REGISTER, GRAPHICS_ADDR_PORT);
grub_outb (map, GRAPHICS_DATA_PORT);
grub_outb (old_addr, GRAPHICS_ADDR_PORT);
}
/* Set start address. */
static void
set_start_address (unsigned int start)
{
unsigned char old_addr;
old_addr = grub_inb (CRTC_ADDR_PORT);
grub_outb (START_ADDR_LOW_REGISTER, CRTC_ADDR_PORT);
grub_outb (start & 0xFF, CRTC_DATA_PORT);
grub_outb (START_ADDR_HIGH_REGISTER, CRTC_ADDR_PORT);
grub_outb (start >> 8, CRTC_DATA_PORT);
grub_outb (old_addr, CRTC_ADDR_PORT);
}
static grub_err_t
grub_vga_mod_init (void)
{
text_mode = grub_vga_set_mode (0x10);
cursor_state = 1;
fg_color = DEFAULT_FG_COLOR;
bg_color = DEFAULT_BG_COLOR;
saved_map_mask = get_map_mask ();
set_map_mask (0x0f);
set_start_address (PAGE_OFFSET (page));
font = grub_font_get (""); /* Choose any font, for now. */
if (!font)
return grub_error (GRUB_ERR_BAD_FONT, "no font loaded");
return GRUB_ERR_NONE;
}
static grub_err_t
grub_vga_mod_fini (void)
{
set_map_mask (saved_map_mask);
grub_vga_set_mode (text_mode);
return GRUB_ERR_NONE;
}
static int
check_vga_mem (void *p)
{
return (p >= (void *) (VGA_MEM + PAGE_OFFSET (page))
&& p <= (void *) (VGA_MEM + PAGE_OFFSET (page)
+ VGA_WIDTH * VGA_HEIGHT / 8));
}
static void
write_char (void)
{
struct colored_char *p = text_buf + xpos + ypos * TEXT_WIDTH;
struct grub_font_glyph *glyph;
unsigned char *mem_base;
unsigned plane;
mem_base = (VGA_MEM + xpos +
ypos * CHAR_HEIGHT * TEXT_WIDTH + PAGE_OFFSET (page)) - p->index;
p -= p->index;
/* Get glyph for character. */
glyph = grub_font_get_glyph (font, p->code);
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)
{
/* TODO Re-implement glyph drawing for vga module. */
#if 0
unsigned i;
unsigned char_width = 1; /* TODO Figure out wide characters. */
for (i = 0; i < char_width && offset < 32; i++)
{
unsigned char fg_mask, bg_mask;
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))
mem[i] = (fg_mask | bg_mask);
}
#endif /* 0 */
}
}
set_map_mask (0x0f);
}
static void
write_cursor (void)
{
unsigned char *mem = (VGA_MEM + PAGE_OFFSET (page) + 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;
/* Do all the work in the other page. */
grub_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 = 1; plane <= 4; plane++)
{
set_read_map (plane);
set_map_mask (1 << plane);
grub_memmove (VGA_MEM + PAGE_OFFSET (1 - page), VGA_MEM
+ PAGE_OFFSET (page) + VGA_WIDTH * CHAR_HEIGHT / 8,
VGA_WIDTH * (VGA_HEIGHT - CHAR_HEIGHT) / 8);
}
set_map_mask (0x0f);
grub_memset (VGA_MEM + PAGE_OFFSET (1 - page)
+ VGA_WIDTH * (VGA_HEIGHT - CHAR_HEIGHT) / 8, 0,
VGA_WIDTH * CHAR_HEIGHT / 8);
/* Activate the other page. */
page = 1 - page;
wait_vretrace ();
set_start_address (PAGE_OFFSET (page));
}
static void
grub_vga_putchar (grub_uint32_t c)
{
#if DEBUG_VGA
static int show = 1;
#endif
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 - 1)
scroll_up ();
else
ypos++;
break;
case '\r':
xpos = 0;
break;
}
if (cursor_state)
write_cursor ();
}
else
{
struct grub_font_glyph *glyph;
struct colored_char *p;
unsigned char_width = 1;
glyph = grub_font_get_glyph(font, c);
if (xpos + 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 = char_width - 1;
p->index = 0;
if (char_width > 1)
{
unsigned i;
for (i = 1; i < char_width; i++)
{
p[i].code = ' ';
p[i].width = char_width - 1;
p[i].index = i;
}
}
write_char ();
xpos += char_width;
if (xpos >= TEXT_WIDTH)
{
xpos = 0;
if (ypos >= TEXT_HEIGHT - 1)
scroll_up ();
else
ypos++;
}
if (cursor_state)
write_cursor ();
}
#if DEBUG_VGA
if (show)
{
grub_uint16_t pos = grub_getxy ();
show = 0;
grub_gotoxy (0, 0);
grub_printf ("[%u:%u]", (unsigned) (pos >> 8), (unsigned) (pos & 0xff));
grub_gotoxy (pos >> 8, pos & 0xff);
show = 1;
}
#endif
}
static grub_ssize_t
grub_vga_getcharwidth (grub_uint32_t c)
{
#if 0
struct grub_font_glyph glyph;
glyph = grub_font_get_glyph (c);
return glyph.char_width;
#else
(void) c; /* Prevent warning. */
return 1; /* TODO Fix wide characters? */
#endif
}
static grub_uint16_t
grub_vga_getwh (void)
{
return (TEXT_WIDTH << 8) | TEXT_HEIGHT;
}
static grub_uint16_t
grub_vga_getxy (void)
{
return ((xpos << 8) | ypos);
}
static void
grub_vga_gotoxy (grub_uint8_t x, grub_uint8_t y)
{
if (x >= TEXT_WIDTH || y >= TEXT_HEIGHT)
{
grub_error (GRUB_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
grub_vga_cls (void)
{
unsigned i;
wait_vretrace ();
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;
}
grub_memset (VGA_MEM + PAGE_OFFSET (page), 0, VGA_WIDTH * VGA_HEIGHT / 8);
xpos = ypos = 0;
}
static void
grub_vga_setcolorstate (grub_term_color_state state)
{
switch (state)
{
case GRUB_TERM_COLOR_STANDARD:
case GRUB_TERM_COLOR_NORMAL:
fg_color = DEFAULT_FG_COLOR;
bg_color = DEFAULT_BG_COLOR;
break;
case GRUB_TERM_COLOR_HIGHLIGHT:
fg_color = DEFAULT_BG_COLOR;
bg_color = DEFAULT_FG_COLOR;
break;
default:
break;
}
}
static void
grub_vga_setcursor (int on)
{
if (cursor_state != on)
{
if (cursor_state)
write_char ();
else
write_cursor ();
cursor_state = on;
}
}
static struct grub_term_output grub_vga_term =
{
.name = "vga",
.init = grub_vga_mod_init,
.fini = grub_vga_mod_fini,
.putchar = grub_vga_putchar,
.getcharwidth = grub_vga_getcharwidth,
.getwh = grub_vga_getwh,
.getxy = grub_vga_getxy,
.gotoxy = grub_vga_gotoxy,
.cls = grub_vga_cls,
.setcolorstate = grub_vga_setcolorstate,
.setcursor = grub_vga_setcursor,
.flags = 0,
};
GRUB_MOD_INIT(vga)
{
grub_term_register_output ("vga", &grub_vga_term);
}
GRUB_MOD_FINI(vga)
{
grub_term_unregister_output (&grub_vga_term);
}

36
term/ieee1275/ofconsole.c
View File

@ -194,14 +194,15 @@ grub_ofconsole_getcolor (grub_uint8_t *normal_color, grub_uint8_t *highlight_col
*highlight_color = grub_ofconsole_highlight_color;
}
#define ANSI_C0 0x9b
static int
grub_ofconsole_readkey (int *key)
{
char c;
grub_uint8_t c;
grub_ssize_t actual = 0;
grub_ieee1275_read (stdin_ihandle, &c, 1, &actual);
if (actual > 0)
switch(c)
{
@ -209,25 +210,30 @@ grub_ofconsole_readkey (int *key)
/* Backspace: Ctrl-h. */
c = '\b';
break;
case ANSI_C0:
case '\e':
{
grub_uint64_t start;
grub_ieee1275_read (stdin_ihandle, &c, 1, &actual);
/* On 9600 we have to wait up to 12 milliseconds. */
start = grub_get_time_ms ();
while (actual <= 0 && grub_get_time_ms () - start < 12)
grub_ieee1275_read (stdin_ihandle, &c, 1, &actual);
if (actual <= 0)
if (c == '\e')
{
*key = '\e';
return 1;
grub_ieee1275_read (stdin_ihandle, &c, 1, &actual);
/* On 9600 we have to wait up to 12 milliseconds. */
start = grub_get_time_ms ();
while (actual <= 0 && grub_get_time_ms () - start < 12)
grub_ieee1275_read (stdin_ihandle, &c, 1, &actual);
if (actual <= 0)
{
*key = '\e';
return 1;
}
if (c != '[')
return 0;
}
if (c != '[')
return 0;
grub_ieee1275_read (stdin_ihandle, &c, 1, &actual);
/* On 9600 we have to wait up to 12 milliseconds. */
@ -321,7 +327,7 @@ grub_ofconsole_getkey (void)
static grub_uint16_t
grub_ofconsole_getxy (void)
{
return ((grub_curr_x - 1) << 8) | grub_curr_y;
return (grub_curr_x << 8) | grub_curr_y;
}
static void

27
tests/grub_script_echo1.in
View File

@ -16,6 +16,33 @@
# You should have received a copy of the GNU General Public License
# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
# simple arguments
echo one two three
echo "one two three"
echo 'one two three'
# empty arguments
echo a "" b
echo a '' b
echo a $foo b
echo a ${foo} b
echo a "$foo" b
echo a "${foo}" b
# multi-part arguments
echo one"two"three
echo one${two}three
echo one"two"$three
echo one'two'three
echo one${two}three
echo one'two'$three
echo one'two'three"four"five${six}seven$eight
foo=bar
echo $foo ${foo}
echo "$foo" "${foo}"

100
tests/grub_script_functions.in
View File

@ -18,7 +18,7 @@
echo parameter count
function fcount {
echo "$#"
echo fcount "$#"
}
fcount
@ -27,7 +27,7 @@ fcount a b
echo parameter count, with nesting
function ffcount {
echo "$#"
echo ffcount "$#"
fcount
fcount a
fcount a b
@ -39,9 +39,9 @@ ffcount 1 2
echo parameters
function fparam {
echo 1 $1
echo 2 $2
echo 3 $3
echo fparam 1 $1
echo fparam 2 $2
echo fparam 3 $3
}
fparam
@ -50,9 +50,9 @@ fparam a b
echo parameters, with nesting
function ffparam {
echo 1 $1
echo 2 $2
echo 3 $3
echo ffparam 1 $1
echo ffparam 2 $2
echo ffparam 3 $3
fparam
fparam a
fparam a b
@ -61,3 +61,87 @@ function ffparam {
ffparam
ffparam 1
ffparam 1 2
echo parameter expansion with specials
function fstar {
for f in $*
do
echo fstar $f
done
for f in aaa$*bbb
do
echo fstar $f
done
}
fstar
fstar a
fstar a "1 2"
fstar a "1 2" b
function fdqstar {
for f in "$*"
do
echo fdqstar $f
done
for f in aaa"$*"bbb
do
echo fdqstar $f
done
for f in "aaa$*bbb"
do
echo fdqstar $f
done
}
fdqstar
fdqstar a
fdqstar a "1 2"
fdqstar a "1 2" b
function fat {
for f in $@
do
echo fat $f
done
for f in aaa$@bbb
do
echo fat $f
done
}
fat
fat a
fat a "1 2"
fat a "1 2" b
fat a "1 2" b "c d"
fat a "1 2" b "c d" e
function fdqat {
for f in "$@"
do
echo fdqat $f
done
for f in aaa"$@"bbb
do
echo fdqat $f
done
for f in "aaa$@bbb"
do
echo fdqat $f
done
}
# fdqat # this case needs special handling, lets ignore till we really need it.
fdqat a
fdqat a "1 2"
fdqat a "1 2" b
fdqat a "1 2" b "c d"
fdqat a "1 2" b "c d" e

2
tests/grub_script_vars1.in
View File

@ -28,7 +28,7 @@ foo=foo
echo "" $foo
echo $bar $foo
bar=""
echo $bar $foo

412
video/i386/pc/vga.c Normal file
View File

@ -0,0 +1,412 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2000,2001,2002,2003,2004,2005,2007,2008,2009,2010 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#define grub_video_render_target grub_video_fbrender_target
#include <grub/machine/vga.h>
#include <grub/machine/console.h>
#include <grub/cpu/io.h>
#include <grub/mm.h>
#include <grub/video.h>
#include <grub/video_fb.h>
#include <grub/types.h>
#include <grub/dl.h>
#include <grub/misc.h>
#define VGA_WIDTH 640
#define VGA_HEIGHT 350
#define VGA_MEM ((grub_uint8_t *) GRUB_MEMORY_MACHINE_VGA_ADDR)
#define PAGE_OFFSET(x) ((x) * (VGA_WIDTH * VGA_HEIGHT / 8))
static unsigned char text_mode;
static unsigned char saved_map_mask;
static struct
{
struct grub_video_mode_info mode_info;
struct grub_video_render_target *render_target;
grub_uint8_t *temporary_buffer;
int front_page;
int back_page;
} framebuffer;
#define SEQUENCER_ADDR_PORT 0x3C4
#define SEQUENCER_DATA_PORT 0x3C5
#define MAP_MASK_REGISTER 0x02
#define CRTC_ADDR_PORT 0x3D4
#define CRTC_DATA_PORT 0x3D5
#define START_ADDR_HIGH_REGISTER 0x0C
#define START_ADDR_LOW_REGISTER 0x0D
#define GRAPHICS_ADDR_PORT 0x3CE
#define GRAPHICS_DATA_PORT 0x3CF
#define READ_MAP_REGISTER 0x04
#define INPUT_STATUS1_REGISTER 0x3DA
#define INPUT_STATUS1_VERTR_BIT 0x08
static inline void
wait_vretrace (void)
{
/* Wait until there is a vertical retrace. */
while (! (grub_inb (INPUT_STATUS1_REGISTER) & INPUT_STATUS1_VERTR_BIT));
}
/* Get Map Mask Register. */
static unsigned char
get_map_mask (void)
{
unsigned char old_addr;
unsigned char old_data;
old_addr = grub_inb (SEQUENCER_ADDR_PORT);
grub_outb (MAP_MASK_REGISTER, SEQUENCER_ADDR_PORT);
old_data = grub_inb (SEQUENCER_DATA_PORT);
grub_outb (old_addr, SEQUENCER_ADDR_PORT);
return old_data;
}
/* Set Map Mask Register. */
static void
set_map_mask (unsigned char mask)
{
unsigned char old_addr;
old_addr = grub_inb (SEQUENCER_ADDR_PORT);
grub_outb (MAP_MASK_REGISTER, SEQUENCER_ADDR_PORT);
grub_outb (mask, SEQUENCER_DATA_PORT);
grub_outb (old_addr, SEQUENCER_ADDR_PORT);
}
#if 0
/* Set Read Map Register. */
static void
set_read_map (unsigned char map)
{
unsigned char old_addr;
old_addr = grub_inb (GRAPHICS_ADDR_PORT);
grub_outb (READ_MAP_REGISTER, GRAPHICS_ADDR_PORT);
grub_outb (map, GRAPHICS_DATA_PORT);
grub_outb (old_addr, GRAPHICS_ADDR_PORT);
}
#endif
/* Set start address. */
static void
set_start_address (unsigned int start)
{
unsigned char old_addr;
old_addr = grub_inb (CRTC_ADDR_PORT);
grub_outb (START_ADDR_LOW_REGISTER, CRTC_ADDR_PORT);
grub_outb (start & 0xFF, CRTC_DATA_PORT);
grub_outb (START_ADDR_HIGH_REGISTER, CRTC_ADDR_PORT);
grub_outb (start >> 8, CRTC_DATA_PORT);
grub_outb (old_addr, CRTC_ADDR_PORT);
}
static int setup = 0;
static int is_target = 0;
static grub_err_t
grub_video_vga_init (void)
{
return GRUB_ERR_NONE;
}
static grub_err_t
grub_video_vga_setup (unsigned int width, unsigned int height,
unsigned int mode_type, unsigned int mode_mask)
{
grub_err_t err;
if ((width && width != VGA_WIDTH) || (height && height != VGA_HEIGHT))
return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "no matching mode found");
framebuffer.temporary_buffer = grub_malloc (VGA_HEIGHT * VGA_WIDTH);
framebuffer.front_page = 0;
framebuffer.back_page = 0;
if (!framebuffer.temporary_buffer)
return grub_errno;
saved_map_mask = get_map_mask ();
text_mode = grub_vga_set_mode (0x10);
setup = 1;
set_map_mask (0x0f);
set_start_address (PAGE_OFFSET (framebuffer.front_page));
framebuffer.mode_info.width = VGA_WIDTH;
framebuffer.mode_info.height = VGA_HEIGHT;
framebuffer.mode_info.mode_type = GRUB_VIDEO_MODE_TYPE_INDEX_COLOR;
if (grub_video_check_mode_flag (mode_type, mode_mask,
GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED, 1))
{
framebuffer.back_page = 1;
framebuffer.mode_info.mode_type |= GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED;
}
framebuffer.mode_info.bpp = 8;
framebuffer.mode_info.bytes_per_pixel = 1;
framebuffer.mode_info.pitch = VGA_WIDTH;
framebuffer.mode_info.number_of_colors = 16;
framebuffer.mode_info.red_mask_size = 0;
framebuffer.mode_info.red_field_pos = 0;
framebuffer.mode_info.green_mask_size = 0;
framebuffer.mode_info.green_field_pos = 0;
framebuffer.mode_info.blue_mask_size = 0;
framebuffer.mode_info.blue_field_pos = 0;
framebuffer.mode_info.reserved_mask_size = 0;
framebuffer.mode_info.reserved_field_pos = 0;
framebuffer.mode_info.blit_format
= grub_video_get_blit_format (&framebuffer.mode_info);
err = grub_video_fb_create_render_target_from_pointer (&framebuffer.render_target,
&framebuffer.mode_info,
framebuffer.temporary_buffer);
if (err)
{
grub_dprintf ("video", "Couldn't create FB target\n");
return err;
}
is_target = 1;
err = grub_video_fb_set_active_render_target (framebuffer.render_target);
if (err)
return err;
err = grub_video_fb_set_palette (0, GRUB_VIDEO_FBSTD_NUMCOLORS,
grub_video_fbstd_colors);
return GRUB_ERR_NONE;
}
static grub_err_t
grub_video_vga_fini (void)
{
if (setup)
{
set_map_mask (saved_map_mask);
grub_vga_set_mode (text_mode);
}
setup = 0;
grub_free (framebuffer.temporary_buffer);
framebuffer.temporary_buffer = 0;
return GRUB_ERR_NONE;
}
static inline void
update_target (void)
{
int plane;
if (!is_target)
return;
for (plane = 0x01; plane <= 0x08; plane <<= 1)
{
grub_uint8_t *ptr;
volatile grub_uint8_t *ptr2;
unsigned cbyte = 0;
int shift = 7;
set_map_mask (plane);
for (ptr = framebuffer.temporary_buffer,
ptr2 = VGA_MEM + PAGE_OFFSET (framebuffer.back_page);
ptr < framebuffer.temporary_buffer + VGA_WIDTH * VGA_HEIGHT; ptr++)
{
cbyte |= (!!(plane & *ptr)) << shift;
shift--;
if (shift == -1)
{
*ptr2++ = cbyte;
shift = 7;
cbyte = 0;
}
}
}
}
static grub_err_t
grub_video_vga_blit_bitmap (struct grub_video_bitmap *bitmap,
enum grub_video_blit_operators oper, int x, int y,
int offset_x, int offset_y,
unsigned int width, unsigned int height)
{
grub_err_t ret;
ret = grub_video_fb_blit_bitmap (bitmap, oper, x, y, offset_x, offset_y,
width, height);
update_target ();
return ret;
}
static grub_err_t
grub_video_vga_blit_render_target (struct grub_video_fbrender_target *source,
enum grub_video_blit_operators oper,
int x, int y, int offset_x, int offset_y,
unsigned int width, unsigned int height)
{
grub_err_t ret;
ret = grub_video_fb_blit_render_target (source, oper, x, y,
offset_x, offset_y, width, height);
update_target ();
return ret;
}
static grub_err_t
grub_video_vga_set_active_render_target (struct grub_video_render_target *target)
{
if (target == GRUB_VIDEO_RENDER_TARGET_DISPLAY)
{
is_target = 1;
target = framebuffer.render_target;
}
else
is_target = 0;
return grub_video_fb_set_active_render_target (target);
}
static grub_err_t
grub_video_vga_get_active_render_target (struct grub_video_render_target **target)
{
grub_err_t err;
err = grub_video_fb_get_active_render_target (target);
if (err)
return err;
if (*target == framebuffer.render_target)
*target = GRUB_VIDEO_RENDER_TARGET_DISPLAY;
return GRUB_ERR_NONE;
}
static grub_err_t
grub_video_vga_swap_buffers (void)
{
if (!(framebuffer.mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED))
return GRUB_ERR_NONE;
/* Activate the other page. */
framebuffer.front_page = !framebuffer.front_page;
framebuffer.back_page = !framebuffer.back_page;
wait_vretrace ();
set_start_address (PAGE_OFFSET (framebuffer.front_page));
return GRUB_ERR_NONE;
}
static grub_err_t
grub_video_vga_set_palette (unsigned int start __attribute__ ((unused)),
unsigned int count __attribute__ ((unused)),
struct grub_video_palette_data *palette_data __attribute__ ((unused)))
{
return grub_error (GRUB_ERR_IO, "can't change palette");
}
static grub_err_t
grub_video_vga_get_info_and_fini (struct grub_video_mode_info *mode_info,
void **framebuf)
{
set_map_mask (0xf);
grub_memcpy (mode_info, &(framebuffer.mode_info), sizeof (*mode_info));
mode_info->bpp = 1;
mode_info->bytes_per_pixel = 0;
mode_info->pitch = VGA_WIDTH / 8;
mode_info->number_of_colors = 1;
mode_info->bg_red = 0;
mode_info->bg_green = 0;
mode_info->bg_blue = 0;
mode_info->bg_alpha = 255;
mode_info->fg_red = 255;
mode_info->fg_green = 255;
mode_info->fg_blue = 255;
mode_info->fg_alpha = 255;
*framebuf = VGA_MEM + PAGE_OFFSET (framebuffer.front_page);
grub_video_fb_fini ();
grub_free (framebuffer.temporary_buffer);
framebuffer.temporary_buffer = 0;
setup = 0;
return GRUB_ERR_NONE;
}
static struct grub_video_adapter grub_video_vga_adapter =
{
.name = "VGA Video Driver",
.id = GRUB_VIDEO_DRIVER_VGA,
.init = grub_video_vga_init,
.fini = grub_video_vga_fini,
.setup = grub_video_vga_setup,
.get_info = grub_video_fb_get_info,
.get_info_and_fini = grub_video_vga_get_info_and_fini,
.set_palette = grub_video_vga_set_palette,
.get_palette = grub_video_fb_get_palette,
.set_viewport = grub_video_fb_set_viewport,
.get_viewport = grub_video_fb_get_viewport,
.map_color = grub_video_fb_map_color,
.map_rgb = grub_video_fb_map_rgb,
.map_rgba = grub_video_fb_map_rgba,
.unmap_color = grub_video_fb_unmap_color,
.fill_rect = grub_video_fb_fill_rect,
.blit_bitmap = grub_video_vga_blit_bitmap,
.blit_render_target = grub_video_vga_blit_render_target,
.scroll = grub_video_fb_scroll,
.swap_buffers = grub_video_vga_swap_buffers,
.create_render_target = grub_video_fb_create_render_target,
.delete_render_target = grub_video_fb_delete_render_target,
.set_active_render_target = grub_video_vga_set_active_render_target,
.get_active_render_target = grub_video_vga_get_active_render_target,
.next = 0
};
GRUB_MOD_INIT(vga)
{
grub_video_register (&grub_video_vga_adapter);
}
GRUB_MOD_FINI(vga)
{
grub_video_unregister (&grub_video_vga_adapter);
}

108
video/readers/jpeg.c
View File

@ -153,10 +153,11 @@ grub_jpeg_get_number (struct grub_jpeg_data *data, int num)
static int
grub_jpeg_get_huff_code (struct grub_jpeg_data *data, int id)
{
int code, i;
int code;
unsigned i;
code = 0;
for (i = 0; i < 16; i++)
for (i = 0; i < ARRAY_SIZE (data->huff_maxval[id]); i++)
{
code <<= 1;
if (grub_jpeg_get_bit (data))
@ -171,47 +172,51 @@ grub_jpeg_get_huff_code (struct grub_jpeg_data *data, int id)
static grub_err_t
grub_jpeg_decode_huff_table (struct grub_jpeg_data *data)
{
int id, ac, i, n, base, ofs;
int id, ac, n, base, ofs;
grub_uint32_t next_marker;
grub_uint8_t count[16];
unsigned i;
next_marker = data->file->offset;
next_marker += grub_jpeg_get_word (data);
id = grub_jpeg_get_byte (data);
ac = (id >> 4);
id &= 0xF;
if (id > 1)
return grub_error (GRUB_ERR_BAD_FILE_TYPE,
"jpeg: too many huffman tables");
if (grub_file_read (data->file, &count, sizeof (count)) !=
sizeof (count))
return grub_errno;
n = 0;
for (i = 0; i < 16; i++)
n += count[i];
id += ac * 2;
data->huff_value[id] = grub_malloc (n);
if (grub_errno)
return grub_errno;
if (grub_file_read (data->file, data->huff_value[id], n) != n)
return grub_errno;
base = 0;
ofs = 0;
for (i = 0; i < 16; i++)
while (data->file->offset + sizeof (count) + 1 <= next_marker)
{
base += count[i];
ofs += count[i];
id = grub_jpeg_get_byte (data);
ac = (id >> 4) & 1;
id &= 0xF;
if (id > 1)
return grub_error (GRUB_ERR_BAD_FILE_TYPE,
"jpeg: too many huffman tables");
data->huff_maxval[id][i] = base;
data->huff_offset[id][i] = ofs - base;
if (grub_file_read (data->file, &count, sizeof (count)) !=
sizeof (count))
return grub_errno;
base <<= 1;
n = 0;
for (i = 0; i < ARRAY_SIZE (count); i++)
n += count[i];
id += ac * 2;
data->huff_value[id] = grub_malloc (n);
if (grub_errno)
return grub_errno;
if (grub_file_read (data->file, data->huff_value[id], n) != n)
return grub_errno;
base = 0;
ofs = 0;
for (i = 0; i < ARRAY_SIZE (count); i++)
{
base += count[i];
ofs += count[i];
data->huff_maxval[id][i] = base;
data->huff_offset[id][i] = ofs - base;
base <<= 1;
}
}
if (data->file->offset != next_marker)
@ -229,17 +234,24 @@ grub_jpeg_decode_quan_table (struct grub_jpeg_data *data)
next_marker = data->file->offset;
next_marker += grub_jpeg_get_word (data);
id = grub_jpeg_get_byte (data);
if (id >= 0x10) /* Upper 4-bit is precision. */
return grub_error (GRUB_ERR_BAD_FILE_TYPE,
"jpeg: only 8-bit precision is supported");
while (data->file->offset + sizeof (data->quan_table[id]) + 1
<= next_marker)
{
id = grub_jpeg_get_byte (data);
if (id >= 0x10) /* Upper 4-bit is precision. */
return grub_error (GRUB_ERR_BAD_FILE_TYPE,
"jpeg: only 8-bit precision is supported");
if (id > 1)
return grub_error (GRUB_ERR_BAD_FILE_TYPE,
"jpeg: too many quantization tables");
if (id > 1)
return grub_error (GRUB_ERR_BAD_FILE_TYPE,
"jpeg: too many quantization tables");
if (grub_file_read (data->file, &data->quan_table[id], 64) != 64)
return grub_errno;
if (grub_file_read (data->file, &data->quan_table[id],
sizeof (data->quan_table[id]))
!= sizeof (data->quan_table[id]))
return grub_errno;
}
if (data->file->offset != next_marker)
grub_error (GRUB_ERR_BAD_FILE_TYPE,
@ -444,7 +456,8 @@ grub_jpeg_idct_transform (jpeg_data_unit_t du)
static void
grub_jpeg_decode_du (struct grub_jpeg_data *data, int id, jpeg_data_unit_t du)
{
int pos, h1, h2, qt;
int h1, h2, qt;
unsigned pos;
grub_memset (du, 0, sizeof (jpeg_data_unit_t));
@ -457,7 +470,7 @@ grub_jpeg_decode_du (struct grub_jpeg_data *data, int id, jpeg_data_unit_t du)
du[0] = data->dc_value[id] * (int) data->quan_table[qt][0];
pos = 1;
while (pos < 64)
while (pos < ARRAY_SIZE (data->quan_table[qt]))
{
int num, val;
@ -700,7 +713,7 @@ grub_video_reader_jpeg (struct grub_video_bitmap **bitmap,
#if defined(JPEG_DEBUG)
static grub_err_t
grub_cmd_jpegtest (grub_command_t cmd __attribute__ ((unused)),
int argc, char **args)
int argc, char **args)
{
struct grub_video_bitmap *bitmap = 0;
@ -735,8 +748,7 @@ GRUB_MOD_INIT (jpeg)
grub_video_bitmap_reader_register (&jpeg_reader);
#if defined(JPEG_DEBUG)
cmd = grub_register_command ("jpegtest", grub_cmd_jpegtest,
"FILE",
"Tests loading of JPEG bitmap.");
"FILE", "Tests loading of JPEG bitmap.");
#endif
}