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ALT Linux multiple initrd (#1784)

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This commit is contained in:
longpanda 2022-08-14 23:10:46 +08:00
parent 88f77c01e4
commit 13eb9829fa
2 changed files with 92 additions and 1 deletions
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91
GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_linux.c
View File

@ -333,12 +333,84 @@ end:
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
static int ventoy_linux_initrd_collect_hook(const char *filename, const struct grub_dirhook_info *info, void *data)
{
int len;
initrd_info *img = NULL;
(void)data;
if (0 == info->dir)
{
if (grub_strncmp(filename, "initrd", 6) == 0)
{
len = (int)grub_strlen(filename);
if (grub_strcmp(filename + len - 4, ".img") == 0)
{
img = grub_zalloc(sizeof(initrd_info));
if (img)
{
grub_snprintf(img->name, sizeof(img->name), "/boot/%s", filename);
if (ventoy_find_initrd_by_name(g_initrd_img_list, img->name))
{
grub_free(img);
}
else
{
if (g_initrd_img_list)
{
img->prev = g_initrd_img_tail;
g_initrd_img_tail->next = img;
}
else
{
g_initrd_img_list = img;
}
g_initrd_img_tail = img;
g_initrd_img_count++;
}
}
}
}
}
return 0;
}
static int ventoy_linux_collect_boot_initrds(void)
{
grub_fs_t fs;
grub_device_t dev = NULL;
dev = grub_device_open("loop");
if (!dev)
{
debug("failed to open device loop\n");
goto end;
}
fs = grub_fs_probe(dev);
if (!fs)
{
debug("failed to probe fs %d\n", grub_errno);
goto end;
}
fs->fs_dir(dev, "/boot", ventoy_linux_initrd_collect_hook, NULL);
end:
return 0;
}
static grub_err_t ventoy_grub_cfg_initrd_collect(const char *fileName)
{
int i = 0;
int len = 0;
int dollar = 0;
int quotation = 0;
int initrd_dollar = 0;
grub_file_t file = NULL;
char *buf = NULL;
char *start = NULL;
@ -421,6 +493,19 @@ static grub_err_t ventoy_grub_cfg_initrd_collect(const char *fileName)
debug("Remove quotation <%s>\n", img->name);
}
/* special process for /boot/initrd$XXX.img */
if (dollar == 1)
{
if (grub_strncmp(img->name, "/boot/initrd$", 13) == 0)
{
len = (int)grub_strlen(img->name);
if (grub_strcmp(img->name + len - 4, ".img") == 0)
{
initrd_dollar++;
}
}
}
if (dollar == 1 || ventoy_find_initrd_by_name(g_initrd_img_list, img->name))
{
grub_free(img);
@ -458,6 +543,12 @@ static grub_err_t ventoy_grub_cfg_initrd_collect(const char *fileName)
grub_free(buf);
grub_file_close(file);
if (initrd_dollar > 0 && grub_strncmp(fileName, "(loop)/", 7) == 0)
{
debug("collect initrd variable %d\n", initrd_dollar);
ventoy_linux_collect_boot_initrds();
}
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}

2
README.md
View File

@ -33,7 +33,7 @@ Debian, Ubuntu, CentOS(6/7/8/9), RHEL(6/7/8/9), Deepin, Fedora, Rocky Linux, Alm
DragonFly FreeBSD pfSense GhostBSD FreeNAS TrueNAS XigmaNAS FuryBSD OPNsense HardenedBSD MidnightBSD ClonOS EmergencyBootKit
**ChromeOS**
FydeOS, CloudReady
FydeOS, CloudReady, ChromeOS Flex
**Other**
VMware ESXi, Citrix XenServer, Xen XCP-ng