grub/commands/extcmd.c

98 lines
2.4 KiB
C
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2009-03-21 Bean <bean123ch@gmail.com> * commands/blocklist.c: Add include file <grub/command.h>, remove <grub/normal.h> and <grub/arg.h>. (grub_cmd_blocklist): Use the new command interface. (GRUB_MOD_INIT): Likewise. (GRUB_MOD_FINI): Likewise. * commands/boot.c: Likewise. * commands/cat.c: Likewise. * commands/cmp.c: Likewise. * commands/configfile.c: Likewise. * commands/crc.c: Likewise. * commands/echo.c: Likewise. * commands/halt.c: Likewise. * commands/handler.c: Likewise. * commands/hdparm.c: Likewise. * commands/help.c: Likewise. * commands/hexdump.c: Likewise. * commands/loadenv.c: Likewise. * commands/ls.c: Likewise. * commands/lsmmap.c: Likewise. * commands/lspci.c: Likewise. * commands/loadenv.c: Likewise. * commands/read.c: Likewise. * commands/reboot.c: Likewise. * commands/search.c: Likewise. * commands/sleep.c: Likewise. * commands/test.c: Likewise. * commands/usbtest.c: Likewise. * commands/videotest.c: Likewise. * commands/i386/cpuid.c: Likewise. * commands/i386/pc/halt.c: Likewise. * commands/i386/pc/play.c: Likewise. * commands/i386/pc/pxecmd.c: Likewise. * commands/i386/pc/vbeinfo.c: Likewise. * commands/i386/pc/vbetest.c: Likewise. * commands/ieee1275/suspend.c: Likewise. * disk/loopback.c: Likewise. * font/font_cmd.c: Likewise. * hello/hello.c: Likewise. * loader/efi/appleloader.c: Likewise. * loader/efi/chainloader.c: Likewise. * loader/i386/bsd.c: Likewise. * loader/i386/efi/linux.c: Likewise. * loader/i386/ieee1275/linux.c: Likewise. * loader/i386/linux.c: Likewise. * loader/i386/pc/chainloader.c: Likewise. * loader/i386/pc/linux.c: Likewise. * loader/powerpc/ieee1275/linux.c: Likewise. * loader/multiboot_loader.c: Likewise. * term/gfxterm.c: Likewise. * term/i386/pc/serial.c: Likewise. * term/terminfo.c: Likewise. * term/i386/pc/vesafb.c: Removed <grub/arg.h>. * term/i386/pc/vga.c: Likewise. * video/readers/jpeg.c: Likewise. * video/readers/png.c: Likewise. * video/readers/tga.c: Likewise. * util/grub-fstest (cmd_loopback): Removed. (cmd_blocklist): Likewise. (cmd_ls): Likewise. (grub_register_command): Likewise. (grub_unregister_command): Likewise. (execute_command): Use grub_command_find to locate command and execute it. * include/grub/efi/chainloader.h: Removed. * loader/efi/chainloader_normal.c: Likewise. * loader/i386/bsd_normal.c: Likewise. * loader/i386/pc/chainloader_normal.c: Likewise. * loader/i386/pc/multiboot_normal.c: Likewise. * loader/linux_normal.c: Likewise. * loader/multiboot_loader_normal.c: Likewise. * loader/powerpc/ieee1275/linux_normal.c: Likewise. * gencmdlist.sh: Scan new registration command grub_register_extcmd and grub_register_command_p1. * conf/common.rmk (grub_fstest_SOURCES): Add kern/list.c, kern/command.c, lib/arg.c and commands/extcmd.c. (pkglib_MODULES): Remove boot.mod, and minicmd.mod and extcmd.mod. (minicmd_mod_SOURCES): New variable. (minicmd_mod_CFLAGS): Likewise. (minicmd_mod_LDFLAGS): Likewise. (extcmd_mod_SOURCES): Likewise. (extcmd_mod_CFLAGS): Likewise. (extcmd_mod_LDFLAGS): Likewise. (boot_mod_SOURCES): Removed. (boot_mod_CFLAGS): Likewise. (boot_mod_LDFLAGS): Likewise. * conf/i386-pc.rmk (kernel_img_SOURCES): Add kern/command.c and kern/corecmd.c. (kernel_img_HEADERS): Add command.h. (grub_emu_SOURCES): Remove commands/boot.c and normal/arg.c, add commands/minicmd.c, kern/command.c, kern/corecmd.c, commands/extcmd.c and lib/arg.c. (pkglib_MODULES): Change _linux.mod, _chain.mod, _bsd.mod and _multiboot.mod as linux.mod, chain.mod, bsd.mod and multiboot.mod, remove the corresponding normal mode command. (normal_mod_SOURCES): Remove normal/arg.c. * conf/i386-coreboot.rmk: Likewise. * conf/i386-efi.rmk: Likewise. * conf/i386-ieee1275.rmk: Likewise. * conf/powerpc-ieee1275.rmk: Likewise. * conf/x86_64-efi.rmk: Likewise. * include/grub/arg.h: Move from here ... * include/grub/lib/arg.h: ... to here. * normal/arg.c: Move from here ... * lib/arg.c: ... to here. * commands/extcmd.c: New file. * commands/minicmd.c: Likewise. * include/grub/command.h: Likewise. * include/grub/extcmd.h: Likewise. * kern/command.c: Likewise. * kern/corecmd.c: Likewise. * kern/list.c (grub_list_iterate): Return int instead of void. (grub_list_insert): New function. (grub_prio_list_insert): Likewise. * kern/rescue.c (grub_rescue_command): Removed. (grub_rescue_command_list): Likewise. (grub_rescue_register_command): Likewise. (grub_rescue_unregister_command): Likewise. (grub_rescue_cmd_boot): Move to minicmd.c (grub_rescue_cmd_help): Likewise. (grub_rescue_cmd_info): Likewise. (grub_rescue_cmd_boot): Likewise. (grub_rescue_cmd_testload): Likewise. (grub_rescue_cmd_dump): Likewise. (grub_rescue_cmd_rmmod): Likewise. (grub_rescue_cmd_lsmod): Likewise. (grub_rescue_cmd_exit): Likewise. (grub_rescue_print_devices): Moved to corecmd.c. (grub_rescue_print_files): Likewise. (grub_rescue_cmd_ls): Likewise. (grub_rescue_cmd_insmod): Likewise. (grub_rescue_cmd_set): Likewise. (grub_rescue_cmd_unset): Likewise. (attemp_normal_mode): Use grub_command_find to get normal module. (grub_enter_rescue_mode): Use grub_register_core_commands to register commands, remove grub_rescue_regiter_command calls. * normal/command.c (grub_regiser_command): Removed. (grub_unregister_command): Likewise. (grub_command_find): Likewise. (grub_iterate_commands): Likewise. (rescue_command): Likewise. (export_command): Moved to corecmd.c. (set_command): Removed. (unset_command): Likewise. (insmod_command): Likewise. (rmmod_command): Likewise. (lsmod_command): Likewise. (grub_command_init): Likewise. * normal/completion.c (iterate_command): Use cmd->prio to check for active command. (complete_arguments): Use grub_extcmd_t structure to find options. (grub_normal_do_completion): Change function grub_iterate_commands to grub_command_iterate. * normal/execute.c (grub_script_execute_cmd): No need to parse argument here. * normal/main.c (grub_dyncmd_dispatcher): New function. (read_command_list): Register unload commands as dyncmd. (grub_cmd_normal): Use new command interface, register rescue, unregister normal at entry, register normal, unregister rescue at exit. * include/grub/list.h (grub_list_test_t): New type. (grub_list_iterate): Return int instead of void. (grub_list_insert): New function. (GRUB_AS_NAMED_LIST_P): New macro. (GRUB_AS_PRIO_LIST): Likewise. (GRUB_AS_PRIO_LIST_P): Likewise. (GRUB_PRIO_LIST_PRIO_MASK): New constant. (GRUB_PRIO_LIST_FLAG_ACTIVE): Likewise. (grub_prio_list): New structure. (grub_prio_list_insert): New function. (grub_prio_list_remove): New inline function. * include/grub/normal.h: Remove <grub/arg.h>, add <grub/command.h>. (GRUB_COMMAND_FLAG_CMDLINE): Moved to command.h. (GRUB_COMMAND_FLAG_MENU): Likewise. (GRUB_COMMAND_FLAG_BOTH): Likewise. (GRUB_COMMAND_FLAG_TITLE): Likewise. (GRUB_COMMAND_FLAG_NO_ECHO): Likewise. (GRUB_COMMAND_FLAG_NO_ARG_PARSE): Removed. (GRUB_COMMAND_FLAG_NOT_LOADED): Likewise. (grub_command): Likewise. (grub_register_command): Likewise. (grub_command_find): Likewise. (grub_iterate_commands): Likewise. (grub_command_init): Likewise. (grub_arg_parse): Likewise. (grub_arg_show_help): Likewise. * include/grub/rescue.h (grub_rescue_register_command): Removed. (grub_rescue_unregister_command): Likewise. * include/grub/i386/bsd.h: Remove grub_rescue_cmd_freebsd, grub_rescue_cmd_openbsd, grub_rescue_cmd_netbsd, grub_rescue_cmd_freebsd_loadenv and grub_rescue_cmd_freebsd_module. * include/grub/i386/efi/loader.h: Remove grub_rescue_cmd_linux and grub_rescue_cmd_initrd. * include/grub/i386/loader.h: Likewise. * include/grub/x86_64/loader.h: Likewise. * include/grub/i386/pc/chainloader.h: Remove grub_chainloader_cmd.
2009-03-21 08:39:59 +00:00
/* extcmd.c - support extended command */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 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/>.
*/
#include <grub/mm.h>
#include <grub/list.h>
#include <grub/misc.h>
#include <grub/extcmd.h>
static grub_err_t
grub_extcmd_dispatcher (struct grub_command *cmd,
int argc, char **args)
{
int new_argc;
char **new_args;
struct grub_arg_option *parser;
struct grub_arg_list *state;
int maxargs = 0;
grub_err_t ret;
grub_extcmd_t ext;
ext = cmd->data;
parser = (struct grub_arg_option *) ext->options;
while (parser && (parser++)->doc)
maxargs++;
/* Set up the option state. */
state = grub_malloc (sizeof (struct grub_arg_list) * maxargs);
grub_memset (state, 0, sizeof (struct grub_arg_list) * maxargs);
if (grub_arg_parse (ext, argc, args, state, &new_args, &new_argc))
{
ext->state = state;
ret = (ext->func) (ext, new_argc, new_args);
grub_free (new_args);
}
else
ret = grub_errno;
grub_free (state);
return ret;
}
grub_extcmd_t
grub_register_extcmd (const char *name, grub_extcmd_func_t func,
unsigned flags, const char *summary,
const char *description,
const struct grub_arg_option *parser)
{
grub_extcmd_t ext;
grub_command_t cmd;
ext = (grub_extcmd_t) grub_malloc (sizeof (*ext));
if (! ext)
return 0;
cmd = grub_register_command_prio (name, grub_extcmd_dispatcher,
summary, description, 1);
if (! cmd)
{
grub_free (ext);
return 0;
}
cmd->flags = (flags | GRUB_COMMAND_FLAG_EXTCMD);
cmd->data = ext;
ext->cmd = cmd;
ext->func = func;
ext->options = parser;
ext->data = 0;
return ext;
}
void
grub_unregister_extcmd (grub_extcmd_t ext)
{
grub_unregister_command (ext->cmd);
grub_free (ext);
}