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Ventoy/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c

157 lines
3.6 KiB
C

/******************************************************************************
* ventoy.c
*
* Copyright (c) 2020, longpanda <admin@ventoy.net>
*
* 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 the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <grub/types.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/err.h>
#include <grub/dl.h>
#include <grub/disk.h>
#include <grub/device.h>
#include <grub/term.h>
#include <grub/partition.h>
#include <grub/file.h>
#include <grub/normal.h>
#include <grub/extcmd.h>
#include <grub/datetime.h>
#include <grub/net.h>
#include <grub/misc.h>
#include <grub/kernel.h>
#include <grub/time.h>
#include <grub/ventoy.h>
#include "ventoy_def.h"
GRUB_MOD_LICENSE ("GPLv3+");
int g_ventoy_debug = 0;
static int g_efi_os = 0xFF;
grub_uint32_t g_ventoy_plat_data;
void ventoy_debug(const char *fmt, ...)
{
va_list args;
va_start (args, fmt);
grub_vprintf (fmt, args);
va_end (args);
}
int ventoy_strcmp(const char *pattern, const char *str)
{
while (*pattern && *str)
{
if ((*pattern != *str) && (*pattern != '*'))
break;
pattern++;
str++;
}
return (int)(grub_uint8_t)*pattern - (int)(grub_uint8_t)*str;
}
int ventoy_strncmp (const char *pattern, const char *str, grub_size_t n)
{
if (n == 0)
return 0;
while (*pattern && *str && --n)
{
if ((*pattern != *str) && (*pattern != '*'))
break;
pattern++;
str++;
}
return (int)(grub_uint8_t)*pattern - (int)(grub_uint8_t)*str;
}
void ventoy_debug_dump_guid(const char *prefix, grub_uint8_t *guid)
{
int i;
if (!g_ventoy_debug)
{
return;
}
debug("%s", prefix);
for (i = 0; i < 16; i++)
{
grub_printf("%02x ", guid[i]);
}
grub_printf("\n");
}
int ventoy_is_efi_os(void)
{
if (g_efi_os > 1)
{
g_efi_os = (grub_strstr(GRUB_PLATFORM, "efi")) ? 1 : 0;
}
return g_efi_os;
}
static int ventoy_arch_mode_init(void)
{
#ifdef GRUB_MACHINE_EFI
if (grub_strcmp(GRUB_TARGET_CPU, "i386") == 0)
{
g_ventoy_plat_data = VTOY_PLAT_I386_UEFI;
grub_snprintf(g_arch_mode_suffix, sizeof(g_arch_mode_suffix), "%s", "ia32");
}
else if (grub_strcmp(GRUB_TARGET_CPU, "arm64") == 0)
{
g_ventoy_plat_data = VTOY_PLAT_ARM64_UEFI;
grub_snprintf(g_arch_mode_suffix, sizeof(g_arch_mode_suffix), "%s", "aa64");
}
else if (grub_strcmp(GRUB_TARGET_CPU, "mips64el") == 0)
{
g_ventoy_plat_data = VTOY_PLAT_MIPS_UEFI;
grub_snprintf(g_arch_mode_suffix, sizeof(g_arch_mode_suffix), "%s", "mips");
}
else
{
g_ventoy_plat_data = VTOY_PLAT_X86_64_UEFI;
grub_snprintf(g_arch_mode_suffix, sizeof(g_arch_mode_suffix), "%s", "uefi");
}
#else
g_ventoy_plat_data = VTOY_PLAT_X86_LEGACY;
grub_snprintf(g_arch_mode_suffix, sizeof(g_arch_mode_suffix), "%s", "legacy");
#endif
return 0;
}
GRUB_MOD_INIT(ventoy)
{
ventoy_env_init();
ventoy_arch_mode_init();
ventoy_register_all_cmd();
}
GRUB_MOD_FINI(ventoy)
{
ventoy_unregister_all_cmd();
}