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loongarch: Fix the initrd parameter passing

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Signed-off-by: Yingkun Meng <mengyingkun@loongson.cn>
This commit is contained in:
Yingkun Meng 2023-08-07 15:22:03 +08:00
parent 419d9de659
commit 1eae189350
3 changed files with 286 additions and 1 deletions
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3
grub.patches
View File

@ -331,3 +331,6 @@ Patch0323: Revert-EFI-allocate-kernel-in-EFI_RUNTIME_SERVICES_C.patch
Patch0324: backport-commands-acpi-Use-xsdt_addr-if-present.patch
Patch0325: backport-kern-acpi-Use-xsdt_addr-if-present.patch
Patch0326: remove-the-items-of-unsupported-filesystems-in-fs.ls.patch
%ifarch loongarch64
Patch0327: loongarch-Fix-the-initrd-parameter-passing.patch
%endif

8
grub2.spec
View File

@ -14,7 +14,7 @@
Name: grub2
Epoch: 1
Version: 2.06
Release: 33
Release: 34
Summary: Bootloader with support for Linux, Multiboot and more
License: GPLv3+
URL: http://www.gnu.org/software/grub/
@ -440,6 +440,12 @@ fi
%{_datadir}/man/man*
%changelog
* Mon Aug 7 2023 mengyingkun <mengyingkun@loongson.com> - 1:2.06-34
- Type:bugfix
- CVE:NA
- SUG:NA
- DESC:loongarch: Fix initrd parameter passing
* Mon Jul 24 2023 zhangqiumiao <zhangqiumiao1@huawei.com> - 1:2.06-33
- Type:bugfix
- CVE:NA

276
loongarch-Fix-the-initrd-parameter-passing.patch Normal file
View File

@ -0,0 +1,276 @@
From 3881d41c2fcd1eece2faca8b08577e8e8b30257c Mon Sep 17 00:00:00 2001
From: Yingkun Meng <mengyingkun@loongson.cn>
Date: Mon, 7 Aug 2023 11:47:54 +0800
Subject: [PATCH] loongarch: Fix the initrd parameter passing
When booting with EFI kernel, the kernel can't get
initrd parameter, resulting in the inability to
find the initrd.
Change-Id: I61c6cee35853cd3ee5ce98a0bce949f6833d85b1
Signed-off-by: Yingkun Meng <mengyingkun@loongson.cn>
---
grub-core/loader/loongarch64/linux-efi.c | 44 +---------------
grub-core/loader/loongarch64/linux-elf.c | 53 +++----------------
grub-core/loader/loongarch64/linux.c | 66 ++++++++++++++++++++++++
include/grub/loongarch64/linux.h | 6 +++
4 files changed, 80 insertions(+), 89 deletions(-)
diff --git a/grub-core/loader/loongarch64/linux-efi.c b/grub-core/loader/loongarch64/linux-efi.c
index 4dcefd9d9e27..8e2726163725 100644
--- a/grub-core/loader/loongarch64/linux-efi.c
+++ b/grub-core/loader/loongarch64/linux-efi.c
@@ -16,11 +16,9 @@
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/linux.h>
-#include <grub/fdt.h>
#include <grub/efi/efi.h>
#include <grub/cpu/linux.h>
#include <grub/efi/memory.h>
-#include <grub/efi/fdtload.h>
#include <grub/charset.h>
#define GRUB_EFI_PE_MAGIC 0x5A4D
@@ -28,47 +26,7 @@
grub_err_t
finalize_efi_params_linux (struct linux_loongarch64_kernel_params *kernel_params)
{
- int node, retval;
-
- void *fdt;
-
- fdt = grub_fdt_load (GRUB_EFI_LINUX_FDT_EXTRA_SPACE);
-
- if (!fdt)
- goto failure;
-
- node = grub_fdt_find_subnode (fdt, 0, "chosen");
- if (node < 0)
- node = grub_fdt_add_subnode (fdt, 0, "chosen");
-
- if (node < 1)
- goto failure;
-
- /* Set initrd info */
- if (kernel_params->ramdisk_addr && kernel_params->ramdisk_size)
- {
- grub_dprintf ("linux", "Initrd @ %p-%p\n",
- (void *) kernel_params->ramdisk_addr,
- (void *) (kernel_params->ramdisk_addr + kernel_params->ramdisk_size));
-
- retval = grub_fdt_set_prop64 (fdt, node, "linux,initrd-start",
- kernel_params->ramdisk_addr);
- if (retval)
- goto failure;
- retval = grub_fdt_set_prop64 (fdt, node, "linux,initrd-end",
- kernel_params->ramdisk_addr + kernel_params->ramdisk_size);
- if (retval)
- goto failure;
- }
-
- if (grub_fdt_install() != GRUB_ERR_NONE)
- goto failure;
-
- return GRUB_ERR_NONE;
-
-failure:
- grub_fdt_unload();
- return grub_error(GRUB_ERR_BAD_OS, "failed to install/update FDT");
+ return grub_loongarch_setup_initrd_params();
}
grub_err_t
diff --git a/grub-core/loader/loongarch64/linux-elf.c b/grub-core/loader/loongarch64/linux-elf.c
index 86a90e76b4c3..28d3c90ad6e6 100644
--- a/grub-core/loader/loongarch64/linux-elf.c
+++ b/grub-core/loader/loongarch64/linux-elf.c
@@ -308,54 +308,22 @@ allocate_memmap_and_exit_boot (struct linux_loongarch64_kernel_params *kernel_pa
grub_efi_memory_descriptor_t *mmap_buf;
grub_efi_boot_services_t *b;
struct efi_boot_memmap *m, tmp;
- struct efi_initrd *tbl = NULL;
grub_efi_guid_t boot_memmap_guid = GRUB_EFI_LARCH_BOOT_MEMMAP_GUID;
- grub_efi_guid_t initrd_media_guid = GRUB_EFI_LARCH_INITRD_MEDIA_GUID;
setup_screen_info();
- b = grub_efi_system_table->boot_services;
-
grub_dprintf ("loongson", "ramdisk_addr:0x%"PRIxGRUB_UINT64_T", \
size:0x%"PRIxGRUB_UINT64_T"\n",
kernel_params->ramdisk_addr,
kernel_params->ramdisk_size);
-#if 0
- char string[64];
- /* Set initrd info to cmdline*/
- if (kernel_params->ramdisk_addr && kernel_params->ramdisk_size)
- {
- grub_printf ( "Initrd @ %p-%p\n",
- (void *) kernel_params->ramdisk_addr,
- (void *) (kernel_params->ramdisk_addr + kernel_params->ramdisk_size));
- /* initrd */
- grub_snprintf (string,
- sizeof (GRUB_INITRD_STRING),
- "initrd=0x%lx,0x%lx",
- ((grub_uint64_t) kernel_params->ramdisk_addr & 0xffffffff),
- (grub_uint64_t) kernel_params->ramdisk_size);
- *(char*) ((grub_addr_t) kernel_params->linux_args + kernel_params->ramdisk_args_len - 2) = ' ';
- grub_memcpy ((char*) ((grub_addr_t) kernel_params->linux_args + kernel_params->ramdisk_args_len - 1),
- string, sizeof (GRUB_INITRD_STRING));
- }
-#else
/* Set initrd info to system table*/
- if (kernel_params->ramdisk_addr && kernel_params->ramdisk_size)
- {
- tbl = grub_efi_allocate_any_pages (GRUB_EFI_BYTES_TO_PAGES (sizeof(struct efi_initrd)));
- if (!tbl)
- return grub_error (GRUB_ERR_IO, "cannot allocate tbl memory");
- tbl->base = kernel_params->ramdisk_addr;
- tbl->size = kernel_params->ramdisk_size;
-
- status = b->install_configuration_table (&initrd_media_guid, tbl);
- if (status != GRUB_EFI_SUCCESS) {
- grub_error (GRUB_ERR_IO, "failed to install initrd media");
- goto free_tbl;
+ err = grub_loongarch_setup_initrd_params();
+ if (err != GRUB_ERR_NONE)
+ {
+ grub_error(GRUB_ERR_IO, "failed to install initrd media");
+ return err;
}
- }
-#endif
tmp.map_size = 0;
status = grub_efi_get_memory_map (&tmp.map_size, NULL, &tmp.map_key,
@@ -371,6 +339,7 @@ allocate_memmap_and_exit_boot (struct linux_loongarch64_kernel_params *kernel_pa
goto uninstall_initrd_table;
}
+ b = grub_efi_system_table->boot_services;
status = b->install_configuration_table (&boot_memmap_guid, m);
if (status != GRUB_EFI_SUCCESS) {
grub_error (GRUB_ERR_IO, "failed to install boot memmap");
@@ -414,15 +383,7 @@ free_m:
GRUB_EFI_BYTES_TO_PAGES (sizeof(*m) + size));
uninstall_initrd_table:
- if (kernel_params->ramdisk_addr && kernel_params->ramdisk_size)
- b->install_configuration_table (&initrd_media_guid, NULL);
-
-free_tbl:
- if (kernel_params->ramdisk_addr && kernel_params->ramdisk_size) {
- if (tbl)
- grub_efi_free_pages ((grub_addr_t) tbl,
- GRUB_EFI_BYTES_TO_PAGES (sizeof(struct efi_initrd)));
- }
+ grub_loongarch_remove_initrd_params();
return grub_error(GRUB_ERR_BAD_OS, "failed to V40 boot");
}
diff --git a/grub-core/loader/loongarch64/linux.c b/grub-core/loader/loongarch64/linux.c
index 5f1d8453b090..0b65249e64d9 100644
--- a/grub-core/loader/loongarch64/linux.c
+++ b/grub-core/loader/loongarch64/linux.c
@@ -29,6 +29,11 @@ GRUB_MOD_LICENSE ("GPLv3+");
#define INITRD_MAX_ADDRESS_OFFSET (32ULL * 1024 * 1024 * 1024)
+#define GRUB_EFI_LARCH_INITRD_MEDIA_GUID \
+ { 0x5568e427, 0x68fc, 0x4f3d, \
+ { 0xac, 0x74, 0xca, 0x55, 0x52, 0x31, 0xcc, 0x68 } \
+ }
+
static struct linux_loongarch64_kernel_params kernel_params;
static grub_addr_t phys_addr;
@@ -36,6 +41,67 @@ static grub_dl_t my_mod;
static int loaded;
static int is_bpi_boot;
static int grub_loongarch_linux_type = GRUB_LOONGARCH_LINUX_BAD;
+struct efi_initrd *initrd_tbl;
+
+grub_err_t
+grub_loongarch_setup_initrd_params (void)
+{
+ grub_efi_boot_services_t *b;
+ grub_efi_guid_t initrd_media_guid = GRUB_EFI_LARCH_INITRD_MEDIA_GUID;
+ grub_efi_status_t status;
+
+ if (!kernel_params.ramdisk_addr || !kernel_params.ramdisk_size)
+ {
+ grub_error (GRUB_ERR_BAD_ARGUMENT,
+ N_("you need to load the initrd first"));
+ return GRUB_ERR_BAD_ARGUMENT;
+ }
+
+ /* Set initrd info to system table*/
+ b = grub_efi_system_table->boot_services;
+ initrd_tbl = grub_efi_allocate_any_pages (GRUB_EFI_BYTES_TO_PAGES (sizeof(struct efi_initrd)));
+ if (!initrd_tbl)
+ return grub_error (GRUB_ERR_IO, "cannot allocate tbl memory");
+
+ initrd_tbl->base = kernel_params.ramdisk_addr;
+ initrd_tbl->size = kernel_params.ramdisk_size;
+ status = b->install_configuration_table (&initrd_media_guid, initrd_tbl);
+ if (status != GRUB_EFI_SUCCESS)
+ {
+ grub_error (GRUB_ERR_IO, "failed to install initrd media");
+ goto free_tbl;
+ }
+
+ return GRUB_ERR_NONE;
+
+free_tbl:
+ if (initrd_tbl)
+ {
+ grub_efi_free_pages ((grub_addr_t) initrd_tbl,
+ GRUB_EFI_BYTES_TO_PAGES (sizeof(struct efi_initrd)));
+ }
+
+ return GRUB_ERR_IO;
+}
+
+void
+grub_loongarch_remove_initrd_params (void)
+{
+ grub_efi_boot_services_t *b;
+ grub_efi_guid_t initrd_media_guid = GRUB_EFI_LARCH_INITRD_MEDIA_GUID;
+
+ if (!initrd_tbl)
+ return;
+
+ b = grub_efi_system_table->boot_services;
+ b->install_configuration_table (&initrd_media_guid, NULL);
+
+ grub_efi_free_pages ((grub_addr_t) initrd_tbl,
+ GRUB_EFI_BYTES_TO_PAGES (sizeof(struct efi_initrd)));
+
+ initrd_tbl = NULL;
+}
+
static grub_err_t
grub_linux_boot (void)
diff --git a/include/grub/loongarch64/linux.h b/include/grub/loongarch64/linux.h
index f20a719b1386..462ce69cabd4 100644
--- a/include/grub/loongarch64/linux.h
+++ b/include/grub/loongarch64/linux.h
@@ -179,6 +179,12 @@ struct loongsonlist_mem_map {
} GRUB_PACKED map[GRUB_LOONGSON3_BOOT_MEM_MAP_MAX];
}GRUB_PACKED;
+grub_err_t
+grub_loongarch_setup_initrd_params (void);
+
+void
+grub_loongarch_remove_initrd_params (void);
+
grub_err_t
finalize_efi_params_linux (struct linux_loongarch64_kernel_params *kernel_params);
--
2.33.0