mirror of https://github.com/ventoy/Ventoy
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1586 lines
41 KiB
C
1586 lines
41 KiB
C
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2006,2007,2008,2009,2010 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/loader.h>
|
|
#include <grub/memory.h>
|
|
#include <grub/normal.h>
|
|
#include <grub/file.h>
|
|
#include <grub/disk.h>
|
|
#include <grub/err.h>
|
|
#include <grub/misc.h>
|
|
#include <grub/types.h>
|
|
#include <grub/dl.h>
|
|
#include <grub/mm.h>
|
|
#include <grub/term.h>
|
|
#include <grub/cpu/linux.h>
|
|
#include <grub/video.h>
|
|
#include <grub/video_fb.h>
|
|
#include <grub/command.h>
|
|
#include <grub/i386/relocator.h>
|
|
#include <grub/i18n.h>
|
|
#include <grub/lib/cmdline.h>
|
|
#include <grub/linux.h>
|
|
#include <grub/machine/kernel.h>
|
|
|
|
GRUB_MOD_LICENSE ("GPLv3+");
|
|
|
|
#ifdef GRUB_MACHINE_PCBIOS
|
|
#include <grub/i386/pc/vesa_modes_table.h>
|
|
#endif
|
|
|
|
#ifdef GRUB_MACHINE_EFI
|
|
#include <grub/efi/efi.h>
|
|
#define HAS_VGA_TEXT 0
|
|
#define DEFAULT_VIDEO_MODE "auto"
|
|
#define ACCEPTS_PURE_TEXT 0
|
|
#elif defined (GRUB_MACHINE_IEEE1275)
|
|
#include <grub/ieee1275/ieee1275.h>
|
|
#define HAS_VGA_TEXT 0
|
|
#define DEFAULT_VIDEO_MODE "text"
|
|
#define ACCEPTS_PURE_TEXT 1
|
|
#else
|
|
#include <grub/i386/pc/vbe.h>
|
|
#include <grub/i386/pc/console.h>
|
|
#define HAS_VGA_TEXT 1
|
|
#define DEFAULT_VIDEO_MODE "text"
|
|
#define ACCEPTS_PURE_TEXT 1
|
|
#endif
|
|
|
|
static grub_dl_t my_mod;
|
|
|
|
static grub_size_t linux_mem_size;
|
|
static int loaded;
|
|
static void *prot_mode_mem;
|
|
static grub_addr_t prot_mode_target;
|
|
static void *initrd_mem;
|
|
static grub_addr_t initrd_mem_target;
|
|
static grub_size_t prot_init_space;
|
|
static struct grub_relocator *relocator = NULL;
|
|
static void *efi_mmap_buf;
|
|
static grub_size_t maximal_cmdline_size;
|
|
static struct linux_kernel_params linux_params;
|
|
static char *linux_cmdline;
|
|
#ifdef GRUB_MACHINE_EFI
|
|
static grub_efi_uintn_t efi_mmap_size;
|
|
#else
|
|
static const grub_size_t efi_mmap_size = 0;
|
|
#endif
|
|
|
|
#define LINUX_MAX_ARGC 1024
|
|
static int ventoy_debug = 0;
|
|
static int ventoy_initrd_called = 0;
|
|
static int ventoy_linux_argc = 0;
|
|
static char **ventoy_linux_args = NULL;
|
|
static int ventoy_extra_initrd_num = 0;
|
|
static char *ventoy_extra_initrd_list[256];
|
|
|
|
static grub_err_t
|
|
grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)), int argc, char *argv[]);
|
|
|
|
/* FIXME */
|
|
#if 0
|
|
struct idt_descriptor
|
|
{
|
|
grub_uint16_t limit;
|
|
void *base;
|
|
} GRUB_PACKED;
|
|
|
|
static struct idt_descriptor idt_desc =
|
|
{
|
|
0,
|
|
0
|
|
};
|
|
#endif
|
|
|
|
static inline grub_size_t
|
|
page_align (grub_size_t size)
|
|
{
|
|
return (size + (1 << 12) - 1) & (~((1 << 12) - 1));
|
|
}
|
|
|
|
/* Helper for find_mmap_size. */
|
|
static int
|
|
count_hook (grub_uint64_t addr __attribute__ ((unused)),
|
|
grub_uint64_t size __attribute__ ((unused)),
|
|
grub_memory_type_t type __attribute__ ((unused)), void *data)
|
|
{
|
|
grub_size_t *count = data;
|
|
|
|
(*count)++;
|
|
return 0;
|
|
}
|
|
|
|
/* Find the optimal number of pages for the memory map. */
|
|
static grub_size_t
|
|
find_mmap_size (void)
|
|
{
|
|
grub_size_t count = 0, mmap_size;
|
|
|
|
grub_mmap_iterate (count_hook, &count);
|
|
|
|
mmap_size = count * sizeof (struct grub_e820_mmap);
|
|
|
|
/* Increase the size a bit for safety, because GRUB allocates more on
|
|
later. */
|
|
mmap_size += (1 << 12);
|
|
|
|
return page_align (mmap_size);
|
|
}
|
|
|
|
static void
|
|
free_pages (void)
|
|
{
|
|
grub_relocator_unload (relocator);
|
|
relocator = NULL;
|
|
prot_mode_mem = initrd_mem = 0;
|
|
prot_mode_target = initrd_mem_target = 0;
|
|
}
|
|
|
|
/* Allocate pages for the real mode code and the protected mode code
|
|
for linux as well as a memory map buffer. */
|
|
static grub_err_t
|
|
allocate_pages (grub_size_t prot_size, grub_size_t *align,
|
|
grub_size_t min_align, int relocatable,
|
|
grub_uint64_t preferred_address)
|
|
{
|
|
grub_err_t err;
|
|
|
|
if (prot_size == 0)
|
|
prot_size = 1;
|
|
|
|
prot_size = page_align (prot_size);
|
|
|
|
/* Initialize the memory pointers with NULL for convenience. */
|
|
free_pages ();
|
|
|
|
relocator = grub_relocator_new ();
|
|
if (!relocator)
|
|
{
|
|
err = grub_errno;
|
|
goto fail;
|
|
}
|
|
|
|
/* FIXME: Should request low memory from the heap when this feature is
|
|
implemented. */
|
|
|
|
{
|
|
grub_relocator_chunk_t ch;
|
|
if (relocatable)
|
|
{
|
|
err = grub_relocator_alloc_chunk_align (relocator, &ch,
|
|
preferred_address,
|
|
preferred_address,
|
|
prot_size, 1,
|
|
GRUB_RELOCATOR_PREFERENCE_LOW,
|
|
1);
|
|
for (; err && *align + 1 > min_align; (*align)--)
|
|
{
|
|
grub_errno = GRUB_ERR_NONE;
|
|
err = grub_relocator_alloc_chunk_align (relocator, &ch,
|
|
0x1000000,
|
|
0xffffffff & ~prot_size,
|
|
prot_size, 1 << *align,
|
|
GRUB_RELOCATOR_PREFERENCE_LOW,
|
|
1);
|
|
}
|
|
if (err)
|
|
goto fail;
|
|
}
|
|
else
|
|
err = grub_relocator_alloc_chunk_addr (relocator, &ch,
|
|
preferred_address,
|
|
prot_size);
|
|
if (err)
|
|
goto fail;
|
|
prot_mode_mem = get_virtual_current_address (ch);
|
|
prot_mode_target = get_physical_target_address (ch);
|
|
}
|
|
|
|
grub_dprintf ("linux", "prot_mode_mem = %p, prot_mode_target = %lx, prot_size = %x\n",
|
|
prot_mode_mem, (unsigned long) prot_mode_target,
|
|
(unsigned) prot_size);
|
|
return GRUB_ERR_NONE;
|
|
|
|
fail:
|
|
free_pages ();
|
|
return err;
|
|
}
|
|
|
|
static grub_err_t
|
|
grub_e820_add_region (struct grub_e820_mmap *e820_map, int *e820_num,
|
|
grub_uint64_t start, grub_uint64_t size,
|
|
grub_uint32_t type)
|
|
{
|
|
int n = *e820_num;
|
|
|
|
if ((n > 0) && (e820_map[n - 1].addr + e820_map[n - 1].size == start) &&
|
|
(e820_map[n - 1].type == type))
|
|
e820_map[n - 1].size += size;
|
|
else
|
|
{
|
|
e820_map[n].addr = start;
|
|
e820_map[n].size = size;
|
|
e820_map[n].type = type;
|
|
(*e820_num)++;
|
|
}
|
|
return GRUB_ERR_NONE;
|
|
}
|
|
|
|
static grub_err_t
|
|
grub_linux_setup_video (struct linux_kernel_params *params)
|
|
{
|
|
struct grub_video_mode_info mode_info;
|
|
void *framebuffer;
|
|
grub_err_t err;
|
|
grub_video_driver_id_t driver_id;
|
|
const char *gfxlfbvar = grub_env_get ("gfxpayloadforcelfb");
|
|
|
|
driver_id = grub_video_get_driver_id ();
|
|
|
|
if (driver_id == GRUB_VIDEO_DRIVER_NONE)
|
|
return 1;
|
|
|
|
err = grub_video_get_info_and_fini (&mode_info, &framebuffer);
|
|
|
|
if (err)
|
|
{
|
|
grub_errno = GRUB_ERR_NONE;
|
|
return 1;
|
|
}
|
|
|
|
params->lfb_width = mode_info.width;
|
|
params->lfb_height = mode_info.height;
|
|
params->lfb_depth = mode_info.bpp;
|
|
params->lfb_line_len = mode_info.pitch;
|
|
|
|
params->lfb_base = (grub_size_t) framebuffer;
|
|
|
|
#if defined (GRUB_MACHINE_EFI) && defined (__x86_64__)
|
|
params->ext_lfb_base = (grub_size_t) (((grub_uint64_t)(grub_size_t) framebuffer) >> 32);
|
|
params->capabilities |= VIDEO_CAPABILITY_64BIT_BASE;
|
|
#endif
|
|
|
|
params->lfb_size = ALIGN_UP (params->lfb_line_len * params->lfb_height, 65536);
|
|
|
|
params->red_mask_size = mode_info.red_mask_size;
|
|
params->red_field_pos = mode_info.red_field_pos;
|
|
params->green_mask_size = mode_info.green_mask_size;
|
|
params->green_field_pos = mode_info.green_field_pos;
|
|
params->blue_mask_size = mode_info.blue_mask_size;
|
|
params->blue_field_pos = mode_info.blue_field_pos;
|
|
params->reserved_mask_size = mode_info.reserved_mask_size;
|
|
params->reserved_field_pos = mode_info.reserved_field_pos;
|
|
|
|
if (gfxlfbvar && (gfxlfbvar[0] == '1' || gfxlfbvar[0] == 'y'))
|
|
params->have_vga = GRUB_VIDEO_LINUX_TYPE_SIMPLE;
|
|
else
|
|
{
|
|
switch (driver_id)
|
|
{
|
|
case GRUB_VIDEO_DRIVER_VBE:
|
|
params->lfb_size >>= 16;
|
|
params->have_vga = GRUB_VIDEO_LINUX_TYPE_VESA;
|
|
break;
|
|
|
|
case GRUB_VIDEO_DRIVER_EFI_UGA:
|
|
case GRUB_VIDEO_DRIVER_EFI_GOP:
|
|
params->have_vga = GRUB_VIDEO_LINUX_TYPE_EFIFB;
|
|
break;
|
|
|
|
/* FIXME: check if better id is available. */
|
|
case GRUB_VIDEO_DRIVER_SM712:
|
|
case GRUB_VIDEO_DRIVER_SIS315PRO:
|
|
case GRUB_VIDEO_DRIVER_VGA:
|
|
case GRUB_VIDEO_DRIVER_CIRRUS:
|
|
case GRUB_VIDEO_DRIVER_BOCHS:
|
|
case GRUB_VIDEO_DRIVER_RADEON_FULOONG2E:
|
|
case GRUB_VIDEO_DRIVER_RADEON_YEELOONG3A:
|
|
case GRUB_VIDEO_DRIVER_IEEE1275:
|
|
case GRUB_VIDEO_DRIVER_COREBOOT:
|
|
/* Make gcc happy. */
|
|
case GRUB_VIDEO_DRIVER_XEN:
|
|
case GRUB_VIDEO_DRIVER_SDL:
|
|
case GRUB_VIDEO_DRIVER_NONE:
|
|
case GRUB_VIDEO_ADAPTER_CAPTURE:
|
|
params->have_vga = GRUB_VIDEO_LINUX_TYPE_SIMPLE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
#ifdef GRUB_MACHINE_PCBIOS
|
|
/* VESA packed modes may come with zeroed mask sizes, which need
|
|
to be set here according to DAC Palette width. If we don't,
|
|
this results in Linux displaying a black screen. */
|
|
if (driver_id == GRUB_VIDEO_DRIVER_VBE && mode_info.bpp <= 8)
|
|
{
|
|
struct grub_vbe_info_block controller_info;
|
|
int status;
|
|
int width = 8;
|
|
|
|
status = grub_vbe_bios_get_controller_info (&controller_info);
|
|
|
|
if (status == GRUB_VBE_STATUS_OK &&
|
|
(controller_info.capabilities & GRUB_VBE_CAPABILITY_DACWIDTH))
|
|
status = grub_vbe_bios_set_dac_palette_width (&width);
|
|
|
|
if (status != GRUB_VBE_STATUS_OK)
|
|
/* 6 is default after mode reset. */
|
|
width = 6;
|
|
|
|
params->red_mask_size = params->green_mask_size
|
|
= params->blue_mask_size = width;
|
|
params->reserved_mask_size = 0;
|
|
}
|
|
#endif
|
|
|
|
return GRUB_ERR_NONE;
|
|
}
|
|
|
|
/* Context for grub_linux_boot. */
|
|
struct grub_linux_boot_ctx
|
|
{
|
|
grub_addr_t real_mode_target;
|
|
grub_size_t real_size;
|
|
struct linux_kernel_params *params;
|
|
int e820_num;
|
|
};
|
|
|
|
/* Helper for grub_linux_boot. */
|
|
static int
|
|
grub_linux_boot_mmap_find (grub_uint64_t addr, grub_uint64_t size,
|
|
grub_memory_type_t type, void *data)
|
|
{
|
|
struct grub_linux_boot_ctx *ctx = data;
|
|
|
|
/* We must put real mode code in the traditional space. */
|
|
if (type != GRUB_MEMORY_AVAILABLE || addr > 0x90000)
|
|
return 0;
|
|
|
|
if (addr + size < 0x10000)
|
|
return 0;
|
|
|
|
if (addr < 0x10000)
|
|
{
|
|
size += addr - 0x10000;
|
|
addr = 0x10000;
|
|
}
|
|
|
|
if (addr + size > 0x90000)
|
|
size = 0x90000 - addr;
|
|
|
|
if (ctx->real_size + efi_mmap_size > size)
|
|
return 0;
|
|
|
|
grub_dprintf ("linux", "addr = %lx, size = %x, need_size = %x\n",
|
|
(unsigned long) addr,
|
|
(unsigned) size,
|
|
(unsigned) (ctx->real_size + efi_mmap_size));
|
|
ctx->real_mode_target = ((addr + size) - (ctx->real_size + efi_mmap_size));
|
|
return 1;
|
|
}
|
|
|
|
/* GRUB types conveniently match E820 types. */
|
|
static int
|
|
grub_linux_boot_mmap_fill (grub_uint64_t addr, grub_uint64_t size,
|
|
grub_memory_type_t type, void *data)
|
|
{
|
|
struct grub_linux_boot_ctx *ctx = data;
|
|
|
|
if (grub_e820_add_region (ctx->params->e820_map, &ctx->e820_num,
|
|
addr, size, type))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void ventoy_debug_pause(void)
|
|
{
|
|
char key;
|
|
|
|
if (0 == ventoy_debug)
|
|
{
|
|
return;
|
|
}
|
|
|
|
grub_printf("press Enter to continue ......\n");
|
|
while (1)
|
|
{
|
|
key = grub_getkey();
|
|
if (key == '\n' || key == '\r')
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int ventoy_preboot(void)
|
|
{
|
|
int i;
|
|
const char *file;
|
|
char buf[128];
|
|
|
|
if (ventoy_debug)
|
|
{
|
|
grub_printf("ventoy_preboot %d %d\n", ventoy_linux_argc, ventoy_initrd_called);
|
|
ventoy_debug_pause();
|
|
}
|
|
|
|
if (ventoy_linux_argc == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
if (ventoy_initrd_called)
|
|
{
|
|
ventoy_initrd_called = 0;
|
|
return 0;
|
|
}
|
|
|
|
grub_snprintf(buf, sizeof(buf), "mem:%s:size:%s", grub_env_get("ventoy_cpio_addr"), grub_env_get("ventoy_cpio_size"));
|
|
|
|
ventoy_extra_initrd_list[ventoy_extra_initrd_num++] = grub_strdup(buf);
|
|
|
|
file = grub_env_get("vtoy_img_part_file");
|
|
if (file)
|
|
{
|
|
ventoy_extra_initrd_list[ventoy_extra_initrd_num++] = grub_strdup(file);
|
|
}
|
|
|
|
if (ventoy_debug)
|
|
{
|
|
grub_printf("========== initrd list ==========\n");
|
|
for (i = 0; i < ventoy_extra_initrd_num; i++)
|
|
{
|
|
grub_printf("%s\n", ventoy_extra_initrd_list[i]);
|
|
}
|
|
grub_printf("=================================\n");
|
|
|
|
ventoy_debug_pause();
|
|
}
|
|
|
|
grub_cmd_initrd(NULL, ventoy_extra_initrd_num, ventoy_extra_initrd_list);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ventoy_boot_opt_filter(char *opt)
|
|
{
|
|
if (grub_strcmp(opt, "noinitrd") == 0)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
if (grub_strcmp(opt, "vga=current") == 0)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
if (grub_strncmp(opt, "rdinit=", 7) == 0)
|
|
{
|
|
if (grub_strcmp(opt, "rdinit=/vtoy/vtoy") != 0)
|
|
{
|
|
opt[0] = 'v';
|
|
opt[1] = 't';
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (grub_strncmp(opt, "init=", 5) == 0)
|
|
{
|
|
opt[0] = 'v';
|
|
opt[1] = 't';
|
|
return 0;
|
|
}
|
|
|
|
if (ventoy_debug)
|
|
{
|
|
if (grub_strcmp(opt, "quiet") == 0)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
if (grub_strncmp(opt, "loglevel=", 9) == 0)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
if (grub_strcmp(opt, "splash") == 0)
|
|
{
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ventoy_bootopt_hook(int argc, char *argv[])
|
|
{
|
|
int i;
|
|
int count = 0;
|
|
const char *env;
|
|
char c;
|
|
char *newenv;
|
|
char *last, *pos;
|
|
|
|
//grub_printf("ventoy_bootopt_hook: %d %d\n", argc, ventoy_linux_argc);
|
|
|
|
if (ventoy_linux_argc == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
for (i = 0; i < argc; i++)
|
|
{
|
|
if (ventoy_boot_opt_filter(argv[i]))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
ventoy_linux_args[count++] = grub_strdup(argv[i]);
|
|
}
|
|
|
|
for (i = 0; i < ventoy_linux_argc; i++)
|
|
{
|
|
ventoy_linux_args[count] = ventoy_linux_args[i + (LINUX_MAX_ARGC / 2)];
|
|
ventoy_linux_args[i + (LINUX_MAX_ARGC / 2)] = NULL;
|
|
|
|
if (ventoy_linux_args[count][0] == '@')
|
|
{
|
|
env = grub_env_get(ventoy_linux_args[count] + 1);
|
|
if (env)
|
|
{
|
|
grub_free(ventoy_linux_args[count]);
|
|
|
|
newenv = grub_strdup(env);
|
|
last = newenv;
|
|
|
|
while (*last)
|
|
{
|
|
while (*last)
|
|
{
|
|
if (*last != ' ' && *last != '\t')
|
|
{
|
|
break;
|
|
}
|
|
last++;
|
|
}
|
|
|
|
if (*last == 0)
|
|
{
|
|
break;
|
|
}
|
|
|
|
for (pos = last; *pos; pos++)
|
|
{
|
|
if (*pos == ' ' || *pos == '\t')
|
|
{
|
|
c = *pos;
|
|
*pos = 0;
|
|
if (0 == ventoy_boot_opt_filter(last))
|
|
{
|
|
ventoy_linux_args[count++] = grub_strdup(last);
|
|
}
|
|
*pos = c;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (*pos == 0)
|
|
{
|
|
if (0 == ventoy_boot_opt_filter(last))
|
|
{
|
|
ventoy_linux_args[count++] = grub_strdup(last);
|
|
}
|
|
break;
|
|
}
|
|
|
|
last = pos + 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
count++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
count++;
|
|
}
|
|
}
|
|
|
|
if (ventoy_debug)
|
|
{
|
|
ventoy_linux_args[count++] = grub_strdup("loglevel=7");
|
|
}
|
|
|
|
ventoy_linux_argc = count;
|
|
|
|
if (ventoy_debug)
|
|
{
|
|
grub_printf("========== bootoption ==========\n");
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
grub_printf("%s ", ventoy_linux_args[i]);
|
|
}
|
|
grub_printf("\n================================\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static grub_err_t
|
|
grub_cmd_set_boot_opt (grub_command_t cmd __attribute__ ((unused)),
|
|
int argc, char *argv[])
|
|
{
|
|
int i;
|
|
const char *vtdebug;
|
|
|
|
for (i = 0; i < argc; i++)
|
|
{
|
|
ventoy_linux_args[ventoy_linux_argc + (LINUX_MAX_ARGC / 2) ] = grub_strdup(argv[i]);
|
|
ventoy_linux_argc++;
|
|
}
|
|
|
|
vtdebug = grub_env_get("vtdebug_flag");
|
|
if (vtdebug && vtdebug[0])
|
|
{
|
|
ventoy_debug = 1;
|
|
}
|
|
|
|
if (ventoy_debug) grub_printf("ventoy set boot opt %d\n", ventoy_linux_argc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static grub_err_t
|
|
grub_cmd_unset_boot_opt (grub_command_t cmd __attribute__ ((unused)),
|
|
int argc, char *argv[])
|
|
{
|
|
int i;
|
|
|
|
(void)argc;
|
|
(void)argv;
|
|
|
|
for (i = 0; i < LINUX_MAX_ARGC; i++)
|
|
{
|
|
if (ventoy_linux_args[i])
|
|
{
|
|
grub_free(ventoy_linux_args[i]);
|
|
}
|
|
}
|
|
|
|
ventoy_debug = 0;
|
|
ventoy_linux_argc = 0;
|
|
ventoy_initrd_called = 0;
|
|
grub_memset(ventoy_linux_args, 0, sizeof(char *) * LINUX_MAX_ARGC);
|
|
return 0;
|
|
}
|
|
|
|
static grub_err_t
|
|
grub_cmd_extra_initrd_append (grub_command_t cmd __attribute__ ((unused)),
|
|
int argc, char *argv[])
|
|
{
|
|
int newclen = 0;
|
|
char *pos = NULL;
|
|
char *end = NULL;
|
|
char buf[256] = {0};
|
|
|
|
if (argc != 1)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
for (pos = argv[0]; *pos; pos++)
|
|
{
|
|
if (*pos == '/')
|
|
{
|
|
end = pos;
|
|
}
|
|
}
|
|
|
|
if (end)
|
|
{
|
|
/* grub2 newc bug workaround */
|
|
newclen = (int)grub_strlen(end + 1);
|
|
if ((110 + newclen) % 4 == 0)
|
|
{
|
|
grub_snprintf(buf, sizeof(buf), "newc:.%s:%s", end + 1, argv[0]);
|
|
}
|
|
else
|
|
{
|
|
grub_snprintf(buf, sizeof(buf), "newc:%s:%s", end + 1, argv[0]);
|
|
}
|
|
|
|
if (ventoy_extra_initrd_num < 256)
|
|
{
|
|
ventoy_extra_initrd_list[ventoy_extra_initrd_num++] = grub_strdup(buf);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static grub_err_t
|
|
grub_cmd_extra_initrd_reset (grub_command_t cmd __attribute__ ((unused)),
|
|
int argc, char *argv[])
|
|
{
|
|
int i;
|
|
|
|
(void)argc;
|
|
(void)argv;
|
|
|
|
for (i = 0; i < ventoy_extra_initrd_num; i++)
|
|
{
|
|
if (ventoy_extra_initrd_list[i])
|
|
{
|
|
grub_free(ventoy_extra_initrd_list[i]);
|
|
}
|
|
}
|
|
|
|
grub_memset(ventoy_extra_initrd_list, 0, sizeof(ventoy_extra_initrd_list));
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static grub_err_t
|
|
grub_linux_boot (void)
|
|
{
|
|
grub_err_t err = 0;
|
|
const char *modevar;
|
|
char *tmp;
|
|
struct grub_relocator32_state state;
|
|
void *real_mode_mem;
|
|
struct grub_linux_boot_ctx ctx = {
|
|
.real_mode_target = 0
|
|
};
|
|
grub_size_t mmap_size;
|
|
grub_size_t cl_offset;
|
|
|
|
ventoy_preboot();
|
|
|
|
#ifdef GRUB_MACHINE_IEEE1275
|
|
{
|
|
const char *bootpath;
|
|
grub_ssize_t len;
|
|
|
|
bootpath = grub_env_get ("root");
|
|
if (bootpath)
|
|
grub_ieee1275_set_property (grub_ieee1275_chosen,
|
|
"bootpath", bootpath,
|
|
grub_strlen (bootpath) + 1,
|
|
&len);
|
|
linux_params.ofw_signature = GRUB_LINUX_OFW_SIGNATURE;
|
|
linux_params.ofw_num_items = 1;
|
|
linux_params.ofw_cif_handler = (grub_uint32_t) grub_ieee1275_entry_fn;
|
|
linux_params.ofw_idt = 0;
|
|
}
|
|
#endif
|
|
|
|
modevar = grub_env_get ("gfxpayload");
|
|
|
|
/* Now all graphical modes are acceptable.
|
|
May change in future if we have modes without framebuffer. */
|
|
if (modevar && *modevar != 0)
|
|
{
|
|
tmp = grub_xasprintf ("%s;" DEFAULT_VIDEO_MODE, modevar);
|
|
if (! tmp)
|
|
return grub_errno;
|
|
#if ACCEPTS_PURE_TEXT
|
|
err = grub_video_set_mode (tmp, 0, 0);
|
|
#else
|
|
err = grub_video_set_mode (tmp, GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0);
|
|
#endif
|
|
grub_free (tmp);
|
|
}
|
|
else /* We can't go back to text mode from coreboot fb. */
|
|
#ifdef GRUB_MACHINE_COREBOOT
|
|
if (grub_video_get_driver_id () == GRUB_VIDEO_DRIVER_COREBOOT)
|
|
err = GRUB_ERR_NONE;
|
|
else
|
|
#endif
|
|
{
|
|
#if ACCEPTS_PURE_TEXT
|
|
err = grub_video_set_mode (DEFAULT_VIDEO_MODE, 0, 0);
|
|
#else
|
|
err = grub_video_set_mode (DEFAULT_VIDEO_MODE,
|
|
GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0);
|
|
#endif
|
|
}
|
|
|
|
if (err)
|
|
{
|
|
grub_print_error ();
|
|
grub_puts_ (N_("Booting in blind mode"));
|
|
grub_errno = GRUB_ERR_NONE;
|
|
}
|
|
|
|
if (grub_linux_setup_video (&linux_params))
|
|
{
|
|
#if defined (GRUB_MACHINE_PCBIOS) || defined (GRUB_MACHINE_COREBOOT) || defined (GRUB_MACHINE_QEMU)
|
|
linux_params.have_vga = GRUB_VIDEO_LINUX_TYPE_TEXT;
|
|
linux_params.video_mode = 0x3;
|
|
#else
|
|
linux_params.have_vga = 0;
|
|
linux_params.video_mode = 0;
|
|
linux_params.video_width = 0;
|
|
linux_params.video_height = 0;
|
|
#endif
|
|
}
|
|
|
|
|
|
#ifndef GRUB_MACHINE_IEEE1275
|
|
if (linux_params.have_vga == GRUB_VIDEO_LINUX_TYPE_TEXT)
|
|
#endif
|
|
{
|
|
grub_term_output_t term;
|
|
int found = 0;
|
|
FOR_ACTIVE_TERM_OUTPUTS(term)
|
|
if (grub_strcmp (term->name, "vga_text") == 0
|
|
|| grub_strcmp (term->name, "console") == 0
|
|
|| grub_strcmp (term->name, "ofconsole") == 0)
|
|
{
|
|
struct grub_term_coordinate pos = grub_term_getxy (term);
|
|
linux_params.video_cursor_x = pos.x;
|
|
linux_params.video_cursor_y = pos.y;
|
|
linux_params.video_width = grub_term_width (term);
|
|
linux_params.video_height = grub_term_height (term);
|
|
found = 1;
|
|
break;
|
|
}
|
|
if (!found)
|
|
{
|
|
linux_params.video_cursor_x = 0;
|
|
linux_params.video_cursor_y = 0;
|
|
linux_params.video_width = 80;
|
|
linux_params.video_height = 25;
|
|
}
|
|
}
|
|
|
|
#ifdef GRUB_KERNEL_USE_RSDP_ADDR
|
|
linux_params.acpi_rsdp_addr = grub_le_to_cpu64 (grub_rsdp_addr);
|
|
#endif
|
|
|
|
mmap_size = find_mmap_size ();
|
|
/* Make sure that each size is aligned to a page boundary. */
|
|
cl_offset = ALIGN_UP (mmap_size + sizeof (linux_params), 4096);
|
|
if (cl_offset < ((grub_size_t) linux_params.setup_sects << GRUB_DISK_SECTOR_BITS))
|
|
cl_offset = ALIGN_UP ((grub_size_t) (linux_params.setup_sects
|
|
<< GRUB_DISK_SECTOR_BITS), 4096);
|
|
ctx.real_size = ALIGN_UP (cl_offset + maximal_cmdline_size, 4096);
|
|
|
|
#ifdef GRUB_MACHINE_EFI
|
|
efi_mmap_size = grub_efi_find_mmap_size ();
|
|
if (efi_mmap_size == 0)
|
|
return grub_errno;
|
|
#endif
|
|
|
|
grub_dprintf ("linux", "real_size = %x, mmap_size = %x\n",
|
|
(unsigned) ctx.real_size, (unsigned) mmap_size);
|
|
|
|
#ifdef GRUB_MACHINE_EFI
|
|
grub_efi_mmap_iterate (grub_linux_boot_mmap_find, &ctx, 1);
|
|
if (! ctx.real_mode_target)
|
|
grub_efi_mmap_iterate (grub_linux_boot_mmap_find, &ctx, 0);
|
|
#else
|
|
grub_mmap_iterate (grub_linux_boot_mmap_find, &ctx);
|
|
#endif
|
|
grub_dprintf ("linux", "real_mode_target = %lx, real_size = %x, efi_mmap_size = %x\n",
|
|
(unsigned long) ctx.real_mode_target,
|
|
(unsigned) ctx.real_size,
|
|
(unsigned) efi_mmap_size);
|
|
|
|
if (! ctx.real_mode_target)
|
|
return grub_error (GRUB_ERR_OUT_OF_MEMORY, "cannot allocate real mode pages");
|
|
|
|
{
|
|
grub_relocator_chunk_t ch;
|
|
err = grub_relocator_alloc_chunk_addr (relocator, &ch,
|
|
ctx.real_mode_target,
|
|
(ctx.real_size + efi_mmap_size));
|
|
if (err)
|
|
return err;
|
|
real_mode_mem = get_virtual_current_address (ch);
|
|
}
|
|
efi_mmap_buf = (grub_uint8_t *) real_mode_mem + ctx.real_size;
|
|
|
|
grub_dprintf ("linux", "real_mode_mem = %p\n",
|
|
real_mode_mem);
|
|
|
|
ctx.params = real_mode_mem;
|
|
|
|
*ctx.params = linux_params;
|
|
ctx.params->cmd_line_ptr = ctx.real_mode_target + cl_offset;
|
|
grub_memcpy ((char *) ctx.params + cl_offset, linux_cmdline,
|
|
maximal_cmdline_size);
|
|
|
|
grub_dprintf ("linux", "code32_start = %x\n",
|
|
(unsigned) ctx.params->code32_start);
|
|
|
|
ctx.e820_num = 0;
|
|
if (grub_mmap_iterate (grub_linux_boot_mmap_fill, &ctx))
|
|
return grub_errno;
|
|
ctx.params->mmap_size = ctx.e820_num;
|
|
|
|
#ifdef GRUB_MACHINE_EFI
|
|
{
|
|
grub_efi_uintn_t efi_desc_size;
|
|
grub_size_t efi_mmap_target;
|
|
grub_efi_uint32_t efi_desc_version;
|
|
err = grub_efi_finish_boot_services (&efi_mmap_size, efi_mmap_buf, NULL,
|
|
&efi_desc_size, &efi_desc_version);
|
|
if (err)
|
|
return err;
|
|
|
|
/* Note that no boot services are available from here. */
|
|
efi_mmap_target = ctx.real_mode_target
|
|
+ ((grub_uint8_t *) efi_mmap_buf - (grub_uint8_t *) real_mode_mem);
|
|
/* Pass EFI parameters. */
|
|
if (grub_le_to_cpu16 (ctx.params->version) >= 0x0208)
|
|
{
|
|
ctx.params->v0208.efi_mem_desc_size = efi_desc_size;
|
|
ctx.params->v0208.efi_mem_desc_version = efi_desc_version;
|
|
ctx.params->v0208.efi_mmap = efi_mmap_target;
|
|
ctx.params->v0208.efi_mmap_size = efi_mmap_size;
|
|
|
|
#ifdef __x86_64__
|
|
ctx.params->v0208.efi_mmap_hi = (efi_mmap_target >> 32);
|
|
#endif
|
|
}
|
|
else if (grub_le_to_cpu16 (ctx.params->version) >= 0x0206)
|
|
{
|
|
ctx.params->v0206.efi_mem_desc_size = efi_desc_size;
|
|
ctx.params->v0206.efi_mem_desc_version = efi_desc_version;
|
|
ctx.params->v0206.efi_mmap = efi_mmap_target;
|
|
ctx.params->v0206.efi_mmap_size = efi_mmap_size;
|
|
}
|
|
else if (grub_le_to_cpu16 (ctx.params->version) >= 0x0204)
|
|
{
|
|
ctx.params->v0204.efi_mem_desc_size = efi_desc_size;
|
|
ctx.params->v0204.efi_mem_desc_version = efi_desc_version;
|
|
ctx.params->v0204.efi_mmap = efi_mmap_target;
|
|
ctx.params->v0204.efi_mmap_size = efi_mmap_size;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* FIXME. */
|
|
/* asm volatile ("lidt %0" : : "m" (idt_desc)); */
|
|
state.ebp = state.edi = state.ebx = 0;
|
|
state.esi = ctx.real_mode_target;
|
|
state.esp = ctx.real_mode_target;
|
|
state.eip = ctx.params->code32_start;
|
|
return grub_relocator32_boot (relocator, state, 0);
|
|
}
|
|
|
|
static grub_err_t
|
|
grub_linux_unload (void)
|
|
{
|
|
grub_dl_unref (my_mod);
|
|
loaded = 0;
|
|
grub_free (linux_cmdline);
|
|
linux_cmdline = 0;
|
|
return GRUB_ERR_NONE;
|
|
}
|
|
|
|
static grub_err_t
|
|
grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
|
|
int argc, char *argv[])
|
|
{
|
|
grub_file_t file = 0;
|
|
struct linux_i386_kernel_header lh;
|
|
grub_uint8_t setup_sects;
|
|
grub_size_t real_size, prot_size, prot_file_size;
|
|
grub_ssize_t len;
|
|
int i;
|
|
grub_size_t align, min_align;
|
|
int relocatable;
|
|
grub_uint64_t preferred_address = GRUB_LINUX_BZIMAGE_ADDR;
|
|
|
|
grub_dl_ref (my_mod);
|
|
|
|
if (argc == 0)
|
|
{
|
|
grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
|
|
goto fail;
|
|
}
|
|
|
|
file = grub_file_open (argv[0], GRUB_FILE_TYPE_LINUX_KERNEL);
|
|
if (! file)
|
|
goto fail;
|
|
|
|
if (ventoy_linux_argc)
|
|
{
|
|
const char *tip = grub_env_get("ventoy_loading_tip");
|
|
if (tip)
|
|
{
|
|
grub_printf("%s\n", tip);
|
|
grub_refresh();
|
|
}
|
|
}
|
|
|
|
if (grub_file_read (file, &lh, sizeof (lh)) != sizeof (lh))
|
|
{
|
|
if (!grub_errno)
|
|
grub_error (GRUB_ERR_BAD_OS, N_("premature end of file %s"),
|
|
argv[0]);
|
|
goto fail;
|
|
}
|
|
|
|
if (lh.boot_flag != grub_cpu_to_le16_compile_time (0xaa55))
|
|
{
|
|
grub_error (GRUB_ERR_BAD_OS, "invalid magic number");
|
|
goto fail;
|
|
}
|
|
|
|
if (lh.setup_sects > GRUB_LINUX_MAX_SETUP_SECTS)
|
|
{
|
|
grub_error (GRUB_ERR_BAD_OS, "too many setup sectors");
|
|
goto fail;
|
|
}
|
|
|
|
/* FIXME: 2.03 is not always good enough (Linux 2.4 can be 2.03 and
|
|
still not support 32-bit boot. */
|
|
if (lh.header != grub_cpu_to_le32_compile_time (GRUB_LINUX_I386_MAGIC_SIGNATURE)
|
|
|| grub_le_to_cpu16 (lh.version) < 0x0203)
|
|
{
|
|
grub_error (GRUB_ERR_BAD_OS, "version too old for 32-bit boot"
|
|
#ifdef GRUB_MACHINE_PCBIOS
|
|
" (try with `linux16')"
|
|
#endif
|
|
);
|
|
goto fail;
|
|
}
|
|
|
|
if (! (lh.loadflags & GRUB_LINUX_FLAG_BIG_KERNEL))
|
|
{
|
|
grub_error (GRUB_ERR_BAD_OS, "zImage doesn't support 32-bit boot"
|
|
#ifdef GRUB_MACHINE_PCBIOS
|
|
" (try with `linux16')"
|
|
#endif
|
|
);
|
|
goto fail;
|
|
}
|
|
|
|
if (grub_le_to_cpu16 (lh.version) >= 0x0206)
|
|
maximal_cmdline_size = grub_le_to_cpu32 (lh.cmdline_size) + 1;
|
|
else
|
|
maximal_cmdline_size = 256;
|
|
|
|
if (maximal_cmdline_size < 128)
|
|
maximal_cmdline_size = 128;
|
|
|
|
setup_sects = lh.setup_sects;
|
|
|
|
/* If SETUP_SECTS is not set, set it to the default (4). */
|
|
if (! setup_sects)
|
|
setup_sects = GRUB_LINUX_DEFAULT_SETUP_SECTS;
|
|
|
|
real_size = setup_sects << GRUB_DISK_SECTOR_BITS;
|
|
prot_file_size = grub_file_size (file) - real_size - GRUB_DISK_SECTOR_SIZE;
|
|
|
|
if (grub_le_to_cpu16 (lh.version) >= 0x205
|
|
&& lh.kernel_alignment != 0
|
|
&& ((lh.kernel_alignment - 1) & lh.kernel_alignment) == 0)
|
|
{
|
|
for (align = 0; align < 32; align++)
|
|
if (grub_le_to_cpu32 (lh.kernel_alignment) & (1 << align))
|
|
break;
|
|
relocatable = grub_le_to_cpu32 (lh.relocatable);
|
|
}
|
|
else
|
|
{
|
|
align = 0;
|
|
relocatable = 0;
|
|
}
|
|
|
|
if (grub_le_to_cpu16 (lh.version) >= 0x020a)
|
|
{
|
|
min_align = lh.min_alignment;
|
|
prot_size = grub_le_to_cpu32 (lh.init_size);
|
|
prot_init_space = page_align (prot_size);
|
|
if (relocatable)
|
|
preferred_address = grub_le_to_cpu64 (lh.pref_address);
|
|
else
|
|
preferred_address = GRUB_LINUX_BZIMAGE_ADDR;
|
|
}
|
|
else
|
|
{
|
|
min_align = align;
|
|
prot_size = prot_file_size;
|
|
preferred_address = GRUB_LINUX_BZIMAGE_ADDR;
|
|
/* Usually, the compression ratio is about 50%. */
|
|
prot_init_space = page_align (prot_size) * 3;
|
|
}
|
|
|
|
if (allocate_pages (prot_size, &align,
|
|
min_align, relocatable,
|
|
preferred_address))
|
|
goto fail;
|
|
|
|
grub_memset (&linux_params, 0, sizeof (linux_params));
|
|
grub_memcpy (&linux_params.setup_sects, &lh.setup_sects, sizeof (lh) - 0x1F1);
|
|
|
|
linux_params.code32_start = prot_mode_target + lh.code32_start - GRUB_LINUX_BZIMAGE_ADDR;
|
|
linux_params.kernel_alignment = (1 << align);
|
|
linux_params.ps_mouse = linux_params.padding10 = 0;
|
|
|
|
/*
|
|
* The Linux 32-bit boot protocol defines the setup header end
|
|
* to be at 0x202 + the byte value at 0x201.
|
|
*/
|
|
len = 0x202 + *((char *) &linux_params.jump + 1);
|
|
|
|
/* Verify the struct is big enough so we do not write past the end. */
|
|
if (len > (char *) &linux_params.edd_mbr_sig_buffer - (char *) &linux_params) {
|
|
grub_error (GRUB_ERR_BAD_OS, "Linux setup header too big");
|
|
goto fail;
|
|
}
|
|
|
|
/* We've already read lh so there is no need to read it second time. */
|
|
len -= sizeof(lh);
|
|
|
|
if (grub_file_read (file, (char *) &linux_params + sizeof (lh), len) != len)
|
|
{
|
|
if (!grub_errno)
|
|
grub_error (GRUB_ERR_BAD_OS, N_("premature end of file %s"),
|
|
argv[0]);
|
|
goto fail;
|
|
}
|
|
|
|
linux_params.type_of_loader = GRUB_LINUX_BOOT_LOADER_TYPE;
|
|
|
|
/* These two are used (instead of cmd_line_ptr) by older versions of Linux,
|
|
and otherwise ignored. */
|
|
linux_params.cl_magic = GRUB_LINUX_CL_MAGIC;
|
|
linux_params.cl_offset = 0x1000;
|
|
|
|
linux_params.ramdisk_image = 0;
|
|
linux_params.ramdisk_size = 0;
|
|
|
|
linux_params.heap_end_ptr = GRUB_LINUX_HEAP_END_OFFSET;
|
|
linux_params.loadflags |= GRUB_LINUX_FLAG_CAN_USE_HEAP;
|
|
|
|
/* These are not needed to be precise, because Linux uses these values
|
|
only to raise an error when the decompression code cannot find good
|
|
space. */
|
|
linux_params.ext_mem = ((32 * 0x100000) >> 10);
|
|
linux_params.alt_mem = ((32 * 0x100000) >> 10);
|
|
|
|
/* Ignored by Linux. */
|
|
linux_params.video_page = 0;
|
|
|
|
/* Only used when `video_mode == 0x7', otherwise ignored. */
|
|
linux_params.video_ega_bx = 0;
|
|
|
|
linux_params.font_size = 16; /* XXX */
|
|
|
|
#ifdef GRUB_MACHINE_EFI
|
|
#ifdef __x86_64__
|
|
if (grub_le_to_cpu16 (linux_params.version) < 0x0208 &&
|
|
((grub_addr_t) grub_efi_system_table >> 32) != 0)
|
|
return grub_error(GRUB_ERR_BAD_OS,
|
|
"kernel does not support 64-bit addressing");
|
|
#endif
|
|
|
|
if (grub_le_to_cpu16 (linux_params.version) >= 0x0208)
|
|
{
|
|
linux_params.v0208.efi_signature = GRUB_LINUX_EFI_SIGNATURE;
|
|
linux_params.v0208.efi_system_table = (grub_uint32_t) (grub_addr_t) grub_efi_system_table;
|
|
#ifdef __x86_64__
|
|
linux_params.v0208.efi_system_table_hi = (grub_uint32_t) ((grub_uint64_t) grub_efi_system_table >> 32);
|
|
#endif
|
|
}
|
|
else if (grub_le_to_cpu16 (linux_params.version) >= 0x0206)
|
|
{
|
|
linux_params.v0206.efi_signature = GRUB_LINUX_EFI_SIGNATURE;
|
|
linux_params.v0206.efi_system_table = (grub_uint32_t) (grub_addr_t) grub_efi_system_table;
|
|
}
|
|
else if (grub_le_to_cpu16 (linux_params.version) >= 0x0204)
|
|
{
|
|
linux_params.v0204.efi_signature = GRUB_LINUX_EFI_SIGNATURE_0204;
|
|
linux_params.v0204.efi_system_table = (grub_uint32_t) (grub_addr_t) grub_efi_system_table;
|
|
}
|
|
#endif
|
|
|
|
/* The other parameters are filled when booting. */
|
|
|
|
grub_file_seek (file, real_size + GRUB_DISK_SECTOR_SIZE);
|
|
|
|
grub_dprintf ("linux", "bzImage, setup=0x%x, size=0x%x\n",
|
|
(unsigned) real_size, (unsigned) prot_size);
|
|
|
|
/* Look for memory size and video mode specified on the command line. */
|
|
linux_mem_size = 0;
|
|
for (i = 1; i < argc; i++)
|
|
#ifdef GRUB_MACHINE_PCBIOS
|
|
if (grub_memcmp (argv[i], "vga=", 4) == 0 && (grub_memcmp (argv[i], "vga=current", 11) != 0))
|
|
{
|
|
/* Video mode selection support. */
|
|
char *val = argv[i] + 4;
|
|
unsigned vid_mode = GRUB_LINUX_VID_MODE_NORMAL;
|
|
struct grub_vesa_mode_table_entry *linux_mode;
|
|
grub_err_t err;
|
|
char *buf;
|
|
|
|
grub_dl_load ("vbe");
|
|
|
|
if (grub_strcmp (val, "normal") == 0)
|
|
vid_mode = GRUB_LINUX_VID_MODE_NORMAL;
|
|
else if (grub_strcmp (val, "ext") == 0)
|
|
vid_mode = GRUB_LINUX_VID_MODE_EXTENDED;
|
|
else if (grub_strcmp (val, "ask") == 0)
|
|
{
|
|
grub_puts_ (N_("Legacy `ask' parameter no longer supported."));
|
|
|
|
/* We usually would never do this in a loader, but "vga=ask" means user
|
|
requested interaction, so it can't hurt to request keyboard input. */
|
|
grub_wait_after_message ();
|
|
|
|
goto fail;
|
|
}
|
|
else
|
|
vid_mode = (grub_uint16_t) grub_strtoul (val, 0, 0);
|
|
|
|
switch (vid_mode)
|
|
{
|
|
case 0:
|
|
case GRUB_LINUX_VID_MODE_NORMAL:
|
|
grub_env_set ("gfxpayload", "text");
|
|
grub_printf_ (N_("%s is deprecated. "
|
|
"Use set gfxpayload=%s before "
|
|
"linux command instead.\n"),
|
|
argv[i], "text");
|
|
break;
|
|
|
|
case 1:
|
|
case GRUB_LINUX_VID_MODE_EXTENDED:
|
|
/* FIXME: support 80x50 text. */
|
|
grub_env_set ("gfxpayload", "text");
|
|
grub_printf_ (N_("%s is deprecated. "
|
|
"Use set gfxpayload=%s before "
|
|
"linux command instead.\n"),
|
|
argv[i], "text");
|
|
break;
|
|
default:
|
|
/* Ignore invalid values. */
|
|
if (vid_mode < GRUB_VESA_MODE_TABLE_START ||
|
|
vid_mode > GRUB_VESA_MODE_TABLE_END)
|
|
{
|
|
grub_env_set ("gfxpayload", "text");
|
|
/* TRANSLATORS: "x" has to be entered in, like an identifier,
|
|
so please don't use better Unicode codepoints. */
|
|
grub_printf_ (N_("%s is deprecated. VGA mode %d isn't recognized. "
|
|
"Use set gfxpayload=WIDTHxHEIGHT[xDEPTH] "
|
|
"before linux command instead.\n"),
|
|
argv[i], vid_mode);
|
|
break;
|
|
}
|
|
|
|
linux_mode = &grub_vesa_mode_table[vid_mode
|
|
- GRUB_VESA_MODE_TABLE_START];
|
|
|
|
buf = grub_xasprintf ("%ux%ux%u,%ux%u",
|
|
linux_mode->width, linux_mode->height,
|
|
linux_mode->depth,
|
|
linux_mode->width, linux_mode->height);
|
|
if (! buf)
|
|
goto fail;
|
|
|
|
grub_printf_ (N_("%s is deprecated. "
|
|
"Use set gfxpayload=%s before "
|
|
"linux command instead.\n"),
|
|
argv[i], buf);
|
|
err = grub_env_set ("gfxpayload", buf);
|
|
grub_free (buf);
|
|
if (err)
|
|
goto fail;
|
|
}
|
|
}
|
|
else
|
|
#endif /* GRUB_MACHINE_PCBIOS */
|
|
if (grub_memcmp (argv[i], "mem=", 4) == 0)
|
|
{
|
|
char *val = argv[i] + 4;
|
|
|
|
linux_mem_size = grub_strtoul (val, &val, 0);
|
|
|
|
if (grub_errno)
|
|
{
|
|
grub_errno = GRUB_ERR_NONE;
|
|
linux_mem_size = 0;
|
|
}
|
|
else
|
|
{
|
|
int shift = 0;
|
|
|
|
switch (grub_tolower (val[0]))
|
|
{
|
|
case 'g':
|
|
shift += 10;
|
|
/* FALLTHROUGH */
|
|
case 'm':
|
|
shift += 10;
|
|
/* FALLTHROUGH */
|
|
case 'k':
|
|
shift += 10;
|
|
/* FALLTHROUGH */
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* Check an overflow. */
|
|
if (linux_mem_size > (~0UL >> shift))
|
|
linux_mem_size = 0;
|
|
else
|
|
linux_mem_size <<= shift;
|
|
}
|
|
}
|
|
else if (grub_memcmp (argv[i], "quiet", sizeof ("quiet") - 1) == 0)
|
|
{
|
|
linux_params.loadflags |= GRUB_LINUX_FLAG_QUIET;
|
|
}
|
|
|
|
/* Create kernel command line. */
|
|
linux_cmdline = grub_zalloc (maximal_cmdline_size + 1);
|
|
if (!linux_cmdline)
|
|
goto fail;
|
|
grub_memcpy (linux_cmdline, LINUX_IMAGE, sizeof (LINUX_IMAGE));
|
|
{
|
|
grub_err_t err;
|
|
|
|
if (ventoy_linux_argc)
|
|
{
|
|
ventoy_bootopt_hook(argc, argv);
|
|
err = grub_create_loader_cmdline (ventoy_linux_argc, ventoy_linux_args,
|
|
linux_cmdline
|
|
+ sizeof (LINUX_IMAGE) - 1,
|
|
maximal_cmdline_size
|
|
- (sizeof (LINUX_IMAGE) - 1),
|
|
GRUB_VERIFY_KERNEL_CMDLINE);
|
|
}
|
|
else
|
|
{
|
|
err = grub_create_loader_cmdline (argc, argv,
|
|
linux_cmdline
|
|
+ sizeof (LINUX_IMAGE) - 1,
|
|
maximal_cmdline_size
|
|
- (sizeof (LINUX_IMAGE) - 1),
|
|
GRUB_VERIFY_KERNEL_CMDLINE);
|
|
}
|
|
|
|
if (err)
|
|
goto fail;
|
|
}
|
|
|
|
len = prot_file_size;
|
|
if (grub_file_read (file, prot_mode_mem, len) != len && !grub_errno)
|
|
grub_error (GRUB_ERR_BAD_OS, N_("premature end of file %s"),
|
|
argv[0]);
|
|
|
|
if (grub_errno == GRUB_ERR_NONE)
|
|
{
|
|
grub_loader_set (grub_linux_boot, grub_linux_unload,
|
|
0 /* set noreturn=0 in order to avoid grub_console_fini() */);
|
|
loaded = 1;
|
|
}
|
|
|
|
fail:
|
|
|
|
if (file)
|
|
grub_file_close (file);
|
|
|
|
if (grub_errno != GRUB_ERR_NONE)
|
|
{
|
|
grub_dl_unref (my_mod);
|
|
loaded = 0;
|
|
}
|
|
|
|
return grub_errno;
|
|
}
|
|
|
|
static grub_err_t
|
|
grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)),
|
|
int argc, char *argv[])
|
|
{
|
|
grub_size_t size = 0, aligned_size = 0;
|
|
grub_addr_t addr_min, addr_max;
|
|
grub_addr_t addr;
|
|
grub_err_t err;
|
|
struct grub_linux_initrd_context initrd_ctx = { 0, 0, 0 };
|
|
|
|
if (argc == 0)
|
|
{
|
|
grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
|
|
goto fail;
|
|
}
|
|
|
|
if (! loaded)
|
|
{
|
|
grub_error (GRUB_ERR_BAD_ARGUMENT, N_("you need to load the kernel first"));
|
|
goto fail;
|
|
}
|
|
|
|
if (grub_initrd_init (argc, argv, &initrd_ctx))
|
|
goto fail;
|
|
|
|
size = grub_get_initrd_size (&initrd_ctx);
|
|
aligned_size = ALIGN_UP (size, 4096);
|
|
|
|
/* Get the highest address available for the initrd. */
|
|
if (grub_le_to_cpu16 (linux_params.version) >= 0x0203)
|
|
{
|
|
addr_max = grub_cpu_to_le32 (linux_params.initrd_addr_max);
|
|
|
|
/* XXX in reality, Linux specifies a bogus value, so
|
|
it is necessary to make sure that ADDR_MAX does not exceed
|
|
0x3fffffff. */
|
|
if (addr_max > GRUB_LINUX_INITRD_MAX_ADDRESS)
|
|
addr_max = GRUB_LINUX_INITRD_MAX_ADDRESS;
|
|
}
|
|
else
|
|
addr_max = GRUB_LINUX_INITRD_MAX_ADDRESS;
|
|
|
|
if (linux_mem_size != 0 && linux_mem_size < addr_max)
|
|
addr_max = linux_mem_size;
|
|
|
|
/* Linux 2.3.xx has a bug in the memory range check, so avoid
|
|
the last page.
|
|
Linux 2.2.xx has a bug in the memory range check, which is
|
|
worse than that of Linux 2.3.xx, so avoid the last 64kb. */
|
|
addr_max -= 0x10000;
|
|
|
|
addr_min = (grub_addr_t) prot_mode_target + prot_init_space;
|
|
|
|
/* Put the initrd as high as possible, 4KiB aligned. */
|
|
addr = (addr_max - aligned_size) & ~0xFFF;
|
|
|
|
if (addr < addr_min)
|
|
{
|
|
grub_error (GRUB_ERR_OUT_OF_RANGE, "the initrd is too big");
|
|
goto fail;
|
|
}
|
|
|
|
{
|
|
grub_relocator_chunk_t ch;
|
|
err = grub_relocator_alloc_chunk_align (relocator, &ch,
|
|
addr_min, addr, aligned_size,
|
|
0x1000,
|
|
GRUB_RELOCATOR_PREFERENCE_HIGH,
|
|
1);
|
|
if (err)
|
|
return err;
|
|
initrd_mem = get_virtual_current_address (ch);
|
|
initrd_mem_target = get_physical_target_address (ch);
|
|
}
|
|
|
|
if (grub_initrd_load (&initrd_ctx, argv, initrd_mem))
|
|
goto fail;
|
|
|
|
grub_dprintf ("linux", "Initrd, addr=0x%x, size=0x%x\n",
|
|
(unsigned) addr, (unsigned) size);
|
|
|
|
linux_params.ramdisk_image = initrd_mem_target;
|
|
linux_params.ramdisk_size = size;
|
|
linux_params.root_dev = 0x0100; /* XXX */
|
|
|
|
fail:
|
|
grub_initrd_close (&initrd_ctx);
|
|
|
|
return grub_errno;
|
|
}
|
|
|
|
static grub_err_t
|
|
ventoy_cmd_initrd (grub_command_t cmd __attribute__ ((unused)),
|
|
int argc, char *argv[])
|
|
{
|
|
int i;
|
|
const char *file;
|
|
char buf[64];
|
|
|
|
if (ventoy_debug) grub_printf("ventoy_cmd_initrd %d\n", ventoy_linux_argc);
|
|
|
|
if (ventoy_linux_argc == 0)
|
|
{
|
|
return grub_cmd_initrd(cmd, argc, argv);
|
|
}
|
|
|
|
grub_snprintf(buf, sizeof(buf), "mem:%s:size:%s", grub_env_get("ventoy_cpio_addr"), grub_env_get("ventoy_cpio_size"));
|
|
|
|
if (ventoy_debug) grub_printf("membuf=%s\n", buf);
|
|
|
|
ventoy_extra_initrd_list[ventoy_extra_initrd_num++] = grub_strdup(buf);
|
|
|
|
file = grub_env_get("vtoy_img_part_file");
|
|
if (file)
|
|
{
|
|
ventoy_extra_initrd_list[ventoy_extra_initrd_num++] = grub_strdup(file);
|
|
}
|
|
|
|
for (i = 0; i < argc; i++)
|
|
{
|
|
ventoy_extra_initrd_list[ventoy_extra_initrd_num++] = grub_strdup(argv[i]);
|
|
}
|
|
|
|
ventoy_initrd_called = 1;
|
|
|
|
if (ventoy_debug)
|
|
{
|
|
grub_printf("========== initrd list ==========\n");
|
|
for (i = 0; i < ventoy_extra_initrd_num; i++)
|
|
{
|
|
grub_printf("%s\n", ventoy_extra_initrd_list[i]);
|
|
}
|
|
grub_printf("=================================\n");
|
|
}
|
|
|
|
return grub_cmd_initrd(cmd, ventoy_extra_initrd_num, ventoy_extra_initrd_list);
|
|
}
|
|
|
|
|
|
static grub_command_t cmd_linux, cmd_initrd, cmd_linuxefi, cmd_initrdefi;
|
|
static grub_command_t cmd_set_bootopt, cmd_unset_bootopt, cmd_extra_initrd_append, cmd_extra_initrd_reset;
|
|
|
|
GRUB_MOD_INIT(linux)
|
|
{
|
|
cmd_linux = grub_register_command ("linux", grub_cmd_linux,
|
|
0, N_("Load Linux."));
|
|
cmd_initrd = grub_register_command ("initrd", ventoy_cmd_initrd,
|
|
0, N_("Load initrd."));
|
|
|
|
cmd_linuxefi = grub_register_command ("linuxefi", grub_cmd_linux,
|
|
0, N_("Load Linux."));
|
|
cmd_initrdefi = grub_register_command ("initrdefi", ventoy_cmd_initrd,
|
|
0, N_("Load initrd."));
|
|
cmd_set_bootopt = grub_register_command ("vt_set_boot_opt", grub_cmd_set_boot_opt, 0, N_("set ext boot opt"));
|
|
cmd_unset_bootopt = grub_register_command ("vt_unset_boot_opt", grub_cmd_unset_boot_opt, 0, N_("unset ext boot opt"));
|
|
|
|
cmd_extra_initrd_append = grub_register_command ("vt_img_extra_initrd_append", grub_cmd_extra_initrd_append, 0, N_(""));
|
|
cmd_extra_initrd_reset = grub_register_command ("vt_img_extra_initrd_reset", grub_cmd_extra_initrd_reset, 0, N_(""));
|
|
|
|
ventoy_linux_args = grub_zalloc(sizeof(char *) * LINUX_MAX_ARGC);
|
|
|
|
my_mod = mod;
|
|
}
|
|
|
|
GRUB_MOD_FINI(linux)
|
|
{
|
|
grub_unregister_command (cmd_linux);
|
|
grub_unregister_command (cmd_initrd);
|
|
}
|