2004-03-14 Marco Gerards <metgerards@student.han.nl>

* commands/boot.c: New file.
	* commands/cat.c: Likewise.
	* commands/cmp.c: Likewise.
	* commands/ls.c: Likewise.
	* commands/terminal.c: Likewise.
	* normal/command.c: Include <pupa/env.h> and <pupa/dl.h>.
	(pupa_register_command): Changed interface to match the new
	argument parser.
	(pupa_command_execute): Changed (almost rewritten) so it uses
	pupa_split_command.  Added support for setting variables using the
	syntax `foo=bar'.
	(rescue_command): Changed to work with the new argument parser.
	(terminal_command): Moved from here to commands/terminal.c.
	(set_command): New function.
	(unset_command): New function.
	(insmod_command): New function.
	(rmmod_command): New function.
	(lsmod_command): New function.
	(pupa_command_init): Don't initialize the command terminal
	anymore.  Initialize the commands set, unset, insmod, rmmod and
	lsmod.
	* conf/i386-pc.rmk (kernel_img_SOURCES): Add kern/env.c.
	(kernel_img_HEADERS): Add arg.h and env.h.
	(pupa_mkimage_LDFLAGS): Add kern/env.c.
	(pupa_emu_SOURCES): Add kern/env.c, commands/ls.c,
	commands/terminal.c commands/boot.c commands/cmp.c commands/cat.c,
	normal/arg.c.
	(pkgdata_MODULES): Add ls.mod, boot.mod, cmp.mod, cat.mod and
	terminal.mod.
	(normal_mod_SOURCES): Add normal/arg.c and normal/arg.c.
	(boot_mod_SOURCES): New variable.
	(terminal_mod_SOURCES): Likewise.
	(ls_mod_SOURCES): Likewise.
	(cmp_mod_SOURCES): Likewise.
	(cat_mod_SOURCES): Likewise.

	* normal/arg.c: New file.
	* kern/env.c: Likewise.
	* include/pupa/arg.h: Likewise.
	* include/pupa/env.h: Likewise.
	* font/manager.c (font_command): Changed to match argument parsing
	interface changes.
	(PUPA_MOD_INIT): Likewise.
	* hello/hello.c (pupa_cmd_hello): Likewise.
	(PUPA_MOD_INIT): Likewise.
	* include/pupa/disk.h: Include <pupa/device.h>.
	(pupa_print_partinfo): New prototype.
	* include/pupa/dl.h (pupa_dl_set_prefix): Prototype removed.
	(pupa_dl_get_prefix): Likewise.
	* include/pupa/misc.h: Include <pupa/err.h>.
	(pupa_isgraph): New prototype.
	(pupa_isdigit): Likewise.
	(pupa_split_cmdline): Likewise.
	* include/pupa/normal.h: Include <pupa/arg.h>.
	(pupa_command): Changed the prototype of the member `func' to
	match the argument parsing interface.  Added member `options'.
	(pupa_register_command): Updated to match function.
	(pupa_arg_parse): New prototype.
	(pupa_hello_init) [PUPA_UTIL]: New prototype.
	(pupa_hello_fini) [PUPA_UTIL]: Likewise.
	(pupa_ls_init) [PUPA_UTIL]: Likewise.
	(pupa_ls_fini) [PUPA_UTIL]: Likewise.
	(pupa_cat_init) [PUPA_UTIL]: Likewise.
	(pupa_cat_fini) [PUPA_UTIL]: Likewise.
	(pupa_boot_init) [PUPA_UTIL]: Likewise.
	(pupa_boot_fini) [PUPA_UTIL]: Likewise.
	(pupa_cmp_init) [PUPA_UTIL]: Likewise.
	(pupa_cmp_fini) [PUPA_UTIL]: Likewise.
	(pupa_terminal_init) [PUPA_UTIL]: Likewise.
	(pupa_terminal_fini) [PUPA_UTIL]: Likewise.
	* kern/disk.c: Include <pupa/file.h>.
	(pupa_print_partinfo): New function.
	* kern/dl.c: Include <pupa/env.h>.
	(pupa_dl_dir): Variable removed.
	(pupa_dl_load): Use the environment variable `prefix' instead of
	the variable pupa_dl_dir.
	(pupa_dl_set_prefix): Function removed.
	(pupa_dl_get_prefix): Likewise.
	* kern/i386/pc/init.c: Include <pupa/env.h>.
	(pupa_machine_init): Use the environment variable `prefix' instead of
	using pupa_dl_set_prefix to set the prefix.
	* kern/main.c: Include <pupa/env.h>.
	(pupa_set_root_dev): Use the environment variable `prefix' instead of
	using pupa_dl_get_prefix to get the prefix.
	* kern/misc.c: Include <pupa/env.h>.
	(pupa_isdigit): New function.
	(pupa_isgraph): Likewise.
	(pupa_ftoa): Likewise.
	(pupa_vsprintf): Added support for printing values of the type
	`double'.  Make it possible to format variable output when using
	formatting like `%1.2%f'.
	(pupa_split_cmdline): New function.
	* kern/rescue.c: Include <pupa/env.h>.
	(next_word): Removed function.
	(pupa_rescue_cmd_prefix): Likewise.
	(pupa_rescue_cmd_set): New function.
	(pupa_rescue_cmd_unset): New function.
	(pupa_enter_rescue_mode): Use the `pupa_split_cmdline' function to
	split the command line instead of splitting it here.  Added
	support for setting variables using the syntax `foo=bar'.  Don't
	initialize the prefix command anymore.  Initialized the set and
	unset commands.
	* normal/cmdline.c: Include <pupa/env.h>.
	(pupa_tab_complete): Added prototypes for print_simple_completion,
	print_partition_completion, add_completion, iterate_commands,
	iterate_dev, iterate_part and iterate_dir. Moved code to print
	partition information from here to kern/disk.c.
	(pupa_cmdline_run): Don't check if the funtion exists anymore.
	* normal/main.c: Include <pupa/env.h>.
	(pupa_rescue_cmd_normal): Use the environment variable `prefix'
	instead of using pupa_dl_get_prefix to get the prefix.
	* term/i386/pc/vga.c: Include <pupa/arg.h>.
	(check_vga_mem): Cast pointers to `void *' to silence a gcc
	warning.
	(pupa_vga_putchar) [! DEBUG_VGA]: Removed for this case.
	(pupa_vga_setcolor): Declare unused variables with `__attribute__
	((unused))' to silence a gcc warning.
	(pupa_vga_setcolor): Likewise.
	(debug_command): Changed to match argument parsing
	interface changes.
	* util/pupa-emu.c: Include <pupa/env.h>.
	(options): Added 0's for unused fields to silence a gcc warning.
	(argp): Likewise.
	(main): Use the environment variable `prefix' instead of using
	pupa_dl_set_prefix to set the prefix.  Initialize the commands ls,
	boot, cmp, cat and terminal.  Finish the commands boot, cmp, cat
	and terminal.

	* util/i386/pc/getroot.c: Include <pupa/i386/pc/util/biosdisk.h>.
	* util/misc.c: Include <malloc.h>.
	(pupa_malloc): Rewritten so errors are correctly reported.
	(pupa_realloc): Likewise.
	(pupa_memalign): Likewise.
	(pupa_mm_init_region): Declare unused variables with
	`__attribute__ ((unused))' to silence a gcc warning.
	* normal/i386/setjmp.S: Remove tab at the end of the file to
	silence a gcc warning.
	* loader/i386/pc/linux.c (pupa_rescue_cmd_initrd): Declare unused
	variables with `__attribute__ ((unused))' to silence a gcc
	warning.
	* loader/i386/pc/multiboot.c (pupa_multiboot_unload): Make the
	local variable i unsigned to silence a gcc warning.

	* kern/term.c: Include <pupa/misc.h>.
	(pupa_more_lines): New variable.
	(pupa_more): Likewise.
	(pupa_putcode): When the pager is active pause at the end of every
	screen.
	(pupa_set_more): New function.
	* include/pupa/term.h (pupa_set_more): New prototype.
This commit is contained in:
marco_g 2004-03-13 13:59:25 +00:00
parent 3b1139cb9d
commit db1771cfbe
35 changed files with 2607 additions and 285 deletions

View file

@ -1,7 +1,7 @@
/* rescue.c - rescue mode */
/*
* PUPA -- Preliminary Universal Programming Architecture for GRUB
* Copyright (C) 2002 Free Software Foundation, Inc.
* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
*
* 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
@ -29,6 +29,7 @@
#include <pupa/loader.h>
#include <pupa/dl.h>
#include <pupa/machine/partition.h>
#include <pupa/env.h>
#define PUPA_RESCUE_BUF_SIZE 256
#define PUPA_RESCUE_MAX_ARGS 20
@ -116,29 +117,6 @@ pupa_rescue_get_command_line (const char *prompt)
pupa_refresh ();
}
/* Get the next word in STR and return a next pointer. */
static char *
next_word (char **str)
{
char *word;
char *p = *str;
/* Skip spaces. */
while (*p && pupa_isspace (*p))
p++;
word = p;
/* Find a space. */
while (*p && ! pupa_isspace (*p))
p++;
*p = '\0';
*str = p + 1;
return word;
}
/* boot */
static void
pupa_rescue_cmd_boot (int argc __attribute__ ((unused)),
@ -506,27 +484,6 @@ pupa_rescue_cmd_dump (int argc, char *argv[])
}
}
/* prefix [DIR] */
static void
pupa_rescue_cmd_prefix (int argc, char *argv[])
{
static char prefix[100];
if (argc == 0)
pupa_printf ("%s\n", pupa_dl_get_prefix ());
else
{
if (pupa_strlen (argv[0]) >= sizeof (prefix))
{
pupa_error (PUPA_ERR_BAD_ARGUMENT, "too long prefix");
return;
}
pupa_strcpy (prefix, argv[0]);
pupa_dl_set_prefix (prefix);
}
}
/* insmod MODULE */
static void
pupa_rescue_cmd_insmod (int argc, char *argv[])
@ -602,6 +559,52 @@ pupa_rescue_cmd_lsmod (int argc __attribute__ ((unused)),
pupa_dl_iterate (print_module);
}
/* set ENVVAR=VALUE */
static void
pupa_rescue_cmd_set (int argc, char *argv[])
{
char *var;
char *val;
auto int print_env (struct pupa_env_var *env);
int print_env (struct pupa_env_var *env)
{
pupa_printf ("%s=%s\n", env->name, env->value);
return 0;
}
if (argc < 1)
{
pupa_env_iterate (print_env);
return;
}
var = argv[0];
val = pupa_strchr (var, '=');
if (! val)
{
pupa_error (PUPA_ERR_BAD_ARGUMENT, "not an assignment");
return;
}
val[0] = 0;
pupa_env_set (var, val + 1);
val[0] = '=';
}
static void
pupa_rescue_cmd_unset (int argc, char *argv[])
{
if (argc < 1)
{
pupa_error (PUPA_ERR_BAD_ARGUMENT, "no environment variable specified");
return;
}
pupa_env_unset (argv[0]);
}
static void
attempt_normal_mode (void)
{
@ -621,6 +624,15 @@ attempt_normal_mode (void)
void
pupa_enter_rescue_mode (void)
{
auto pupa_err_t getline (char **line);
pupa_err_t getline (char **line)
{
pupa_rescue_get_command_line ("> ");
*line = linebuf;
return 0;
}
/* First of all, attempt to execute the normal mode. */
attempt_normal_mode ();
@ -638,14 +650,16 @@ pupa_enter_rescue_mode (void)
"set the root device");
pupa_rescue_register_command ("dump", pupa_rescue_cmd_dump,
"dump memory");
pupa_rescue_register_command ("prefix", pupa_rescue_cmd_prefix,
"set the prefix");
pupa_rescue_register_command ("insmod", pupa_rescue_cmd_insmod,
"insert a module");
pupa_rescue_register_command ("rmmod", pupa_rescue_cmd_rmmod,
"remove a module");
pupa_rescue_register_command ("lsmod", pupa_rescue_cmd_lsmod,
"show loaded modules");
pupa_rescue_register_command ("set", pupa_rescue_cmd_set,
"set an environment variable");
pupa_rescue_register_command ("unset", pupa_rescue_cmd_unset,
"remove an environment variable");
while (1)
{
@ -653,36 +667,42 @@ pupa_enter_rescue_mode (void)
char *name;
int n;
pupa_rescue_command_t cmd;
char *args[PUPA_RESCUE_MAX_ARGS + 1];
char **args;
/* Print an error, if any. */
pupa_print_error ();
pupa_errno = PUPA_ERR_NONE;
/* Get a command line. */
pupa_rescue_get_command_line ("pupa rescue> ");
if (pupa_split_cmdline (line, getline, &n, &args))
continue;
/* In case of an assignment set the environment accordingly
instead of calling a function. */
if (n == 0 && pupa_strchr (line, '='))
{
char *val = pupa_strchr (args[0], '=');
val[0] = 0;
pupa_env_set (args[0], val + 1);
val[0] = '=';
continue;
}
/* Get the command name. */
name = next_word (&line);
name = args[0];
/* If nothing is specified, restart. */
if (*name == '\0')
continue;
/* Get arguments. */
for (n = 0; n <= PUPA_RESCUE_MAX_ARGS; n++)
{
char *arg = next_word (&line);
if (*arg)
args[n] = arg;
else
break;
}
args[n] = 0;
/* Find the command and execute it. */
for (cmd = pupa_rescue_command_list; cmd; cmd = cmd->next)
{
if (pupa_strcmp (name, cmd->name) == 0)
{
(cmd->func) (n, args);
(cmd->func) (n, &args[1]);
break;
}
}
@ -693,9 +713,5 @@ pupa_enter_rescue_mode (void)
pupa_printf ("Unknown command `%s'\n", name);
pupa_printf ("Try `help' for usage\n");
}
/* Print an error, if any. */
pupa_print_error ();
pupa_errno = PUPA_ERR_NONE;
}
}