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add --enable-serial-speed-simulation into configure, fix a bug in setjmp/longjmp, add --speed into the command serial, restart the command-line interface when a serial terminal is enabled.

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okuji 2000-08-21 06:30:14 +00:00
parent 2455b65f2e
commit d91146efac
9 changed files with 234 additions and 105 deletions
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@ -1,3 +1,38 @@
2000-08-21 OKUJI Yoshinori <okuji@gnu.org>
* configure.in (--enable-serial-speed-emulation): New option.
(SERIAL_SPEED_SIMULATION): New conditional.
* grub/Makefile.am (SERIAL_FLAGS): New variable. Set
-DSUPPORT_SERIAL=1 and -DSIMULATE_SLOWNESS_OF_SERIAL=1, if
SERIAL_SPEED_SIMULATION is defined, otherwise, set it to
only -DSUPPORT_SERIAL=1.
(AM_CFLAGS): Removed -DSUPPORT_SERIAL=1 and added
$(SERIAL_FLAGS).
* grub/asmstub.c [SIMULATE_SLOWNESS_OF_SERIAL] (serial_speed):
New variable.
(grub_setjmp): Removed.
(grub_longjmp): Likewise.
(serial_getkey) [SIMULATE_SLOWNESS_OF_SERIAL]: Wait for
1000000 / (SERIAL_SPEED >> 3) microseconds using gettimeofday.
(serial_putchar) [SIMULATE_SLOWNESS_OF_SERIAL]: Likewise.
(serial_init) [SIMULATE_SLOWNESS_OF_SERIAL]: Set SERIAL_SPEED to
SPEED.
* stage2/builtins.c (serial_func) [SUPPORT_SERIAL]: Added
a new option, `--speed'.
(builtin_serial): Added a description about --speed.
(terminal_func): When get a key from a serial device, if GRUB is
in the command-line interface, call grub_longjmp with
RESTART_CMDLINE_ENV, instead of init_page.
* stage2/cmdline.c (restart_cmdline_env): New variable.
(enter_cmdline): Call grub_setjmp with RESTART_CMDLINE_ENV after
calling init_cmdline.
(run_script): Run BUILTIN->FUNC with BUILTIN_SCRIPT instead of
BUILTIN_CMDLINE.
* stage2/shared.h (BUILTIN_SCRIPT): New macro.
[GRUB_UTIL] (grub_setjmp): Defined as setjmp.
[GRUB_UTIL] (grub_longjmp): Defined as longjmp.
(restart_cmdline_env): Declared.
2000-08-20 OKUJI Yoshinori <okuji@gnu.org>
* configure.in (--enable-serial): New option. Serial terminal