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fix two bugs in the command setkey and start.S.

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This commit is contained in:
okuji 2000-10-09 16:32:59 +00:00
parent aa7121490f
commit 14b7a703a9
4 changed files with 37 additions and 18 deletions
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14
ChangeLog
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@ -1,3 +1,17 @@
2000-10-10 OKUJI Yoshinori <okuji@gnu.org>
* stage2/start.S (copy_buffer): Use pusha and popa instead of
pushing and poping %di and %si individually, to reduce the code
size and save %cx as well. Reported by Herbert Nachtnebel
<nachtneb@iaee.tuwien.ac.at>.
2000-10-10 OKUJI Yoshinori <okuji@gnu.org>
From Daniel Pittman <daniel@rimspace.net>:
* stage2/builtins.c (setkey_func): Check if
KEYSYM_TABLE[I].UNSHIFTED_NAME and KEYSYM_TABLE[I].SHIFTED_NAME
are not NULLs, before calling grub_strcmp.
2000-10-08 OKUJI Yoshinori <okuji@gnu.org>
* util/grub-install.in (grub_prefix): New variable. The default

2
THANKS
View file

@ -15,6 +15,7 @@ Bryan Ford <baford@cs.utah.edu>
Chip Salzenberg <chip@valinux.com>
Christoph Plattner <Christoph.Plattner@dot.at>
Dan J. Walters <djw@cs.utexas.edu>
Daniel Pittman <daniel@rimspace.net>
Daniel Wagner <wagi@gmx.ch>
Edmund GRIMLEY EVANS <edmundo@rano.demon.co.uk>
Edward Killips <ekillips@triton.net>
@ -23,6 +24,7 @@ Frank Mehnert <fm3@os.inf.tu-dresden.de>
Goran Koruga <goran.koruga@hermes.si>
Hal Snyder <hal@vailsys.com>
Heiko Schroeder <heiko@pool.informatik.rwth-aachen.de>
Herbert Nachtnebel <nachtneb@iaee.tuwien.ac.at>
Hisazumi Kenji <nel@soraneko.com>
Jochen Hoenicke <jochen@gnu.org>
Johannes Kroeger <hanne@squirrel.owl.de>

15
stage2/builtins.c
View file

@ -3182,9 +3182,11 @@ setkey_func (char *arg, int flags)
for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++)
{
if (grub_strcmp (key, keysym_table[i].unshifted_name) == 0)
if (keysym_table[i].unshifted_name &&
grub_strcmp (key, keysym_table[i].unshifted_name) == 0)
return keysym_table[i].keycode;
else if (grub_strcmp (key, keysym_table[i].shifted_name) == 0)
else if (keysym_table[i].shifted_name &&
grub_strcmp (key, keysym_table[i].shifted_name) == 0)
return keysym_table[i].keycode;
}
@ -3197,9 +3199,11 @@ setkey_func (char *arg, int flags)
for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++)
{
if (grub_strcmp (key, keysym_table[i].unshifted_name) == 0)
if (keysym_table[i].unshifted_name &&
grub_strcmp (key, keysym_table[i].unshifted_name) == 0)
return keysym_table[i].unshifted_ascii;
else if (grub_strcmp (key, keysym_table[i].shifted_name) == 0)
else if (keysym_table[i].shifted_name &&
grub_strcmp (key, keysym_table[i].shifted_name) == 0)
return keysym_table[i].shifted_ascii;
}
@ -3249,7 +3253,8 @@ setkey_func (char *arg, int flags)
if (to_code == from_code)
/* If TO is equal to FROM, delete the entry. */
grub_memmove ((char *) &bios_key_map[i], (char *) &bios_key_map[i + 1],
grub_memmove ((char *) &bios_key_map[i],
(char *) &bios_key_map[i + 1],
sizeof (unsigned short) * (KEY_MAP_SIZE - i));
else
bios_key_map[i] = (to_code << 8) | from_code;

12
stage2/start.S
View file

@ -279,15 +279,14 @@ copy_buffer:
addw %ax, 6(%di) /* add the corrected value to the destination
address for next time */
/* save addressing regs */
pusha
pushw %ds
/* get the copy length */
shlw $4, %ax
movw %ax, %cx
/* save addressing regs */
pushw %si
pushw %di
pushw %ds
xorw %di, %di /* zero offset of destination addresses */
xorw %si, %si /* zero offset of source addresses */
movw %bx, %ds /* restore the source segment */
@ -302,8 +301,7 @@ copy_buffer:
(MSG modifies SI, which is saved, and unused AX and BX) */
popw %ds
MSG(notification_step)
popw %di
popw %si
popa
/* check if finished with this dataset */
cmpw $0, 4(%di)