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-rw-r--r--common/block.c2
-rw-r--r--common/efi/guid.c2
-rw-r--r--common/efi/payload/Makefile1
-rw-r--r--common/efi/payload/fdt.c43
-rw-r--r--common/efi/payload/image.c14
5 files changed, 56 insertions, 6 deletions
diff --git a/common/block.c b/common/block.c
index 19bb81df2c..a4cfd6e227 100644
--- a/common/block.c
+++ b/common/block.c
@@ -366,7 +366,7 @@ struct block_device *cdev_get_block_device(struct cdev *cdev)
if (!cdev || cdev->ops != &block_ops)
return NULL;
- return container_of(cdev, struct block_device, cdev);
+ return cdev->priv;
}
int blockdevice_register(struct block_device *blk)
diff --git a/common/efi/guid.c b/common/efi/guid.c
index f16c597a20..ca16f4520f 100644
--- a/common/efi/guid.c
+++ b/common/efi/guid.c
@@ -11,8 +11,10 @@ efi_guid_t efi_unknown_device_guid = EFI_UNKNOWN_DEVICE_GUID;
efi_guid_t efi_null_guid = EFI_NULL_GUID;
efi_guid_t efi_global_variable_guid = EFI_GLOBAL_VARIABLE_GUID;
efi_guid_t efi_block_io_protocol_guid = EFI_BLOCK_IO_PROTOCOL_GUID;
+efi_guid_t efi_rng_protocol_guid = EFI_RNG_PROTOCOL_GUID;
efi_guid_t efi_barebox_vendor_guid = EFI_BAREBOX_VENDOR_GUID;
efi_guid_t efi_systemd_vendor_guid = EFI_SYSTEMD_VENDOR_GUID;
+efi_guid_t efi_fdt_guid = EFI_DEVICE_TREE_GUID;
#define EFI_GUID_STRING(guid, short, long) do { \
if (!efi_guidcmp(guid, *g)) \
diff --git a/common/efi/payload/Makefile b/common/efi/payload/Makefile
index bcbdda335f..eeed046b00 100644
--- a/common/efi/payload/Makefile
+++ b/common/efi/payload/Makefile
@@ -2,5 +2,6 @@
obj-y += init.o
obj-y += image.o
+obj-$(CONFIG_OFTREE) += fdt.o
bbenv-y += env-efi
obj-$(CONFIG_CMD_IOMEM) += iomem.o
diff --git a/common/efi/payload/fdt.c b/common/efi/payload/fdt.c
new file mode 100644
index 0000000000..dbbc93fb7d
--- /dev/null
+++ b/common/efi/payload/fdt.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#define pr_fmt(fmt) "efi-fdt: " fmt
+
+#include <common.h>
+#include <init.h>
+#include <libfile.h>
+#include <efi/efi-payload.h>
+#include <efi/efi-device.h>
+
+static int efi_fdt_probe(void)
+{
+ efi_config_table_t *ect;
+
+ for_each_efi_config_table(ect) {
+ struct fdt_header *oftree;
+ u32 magic, size;
+ int ret;
+
+ if (efi_guidcmp(ect->guid, EFI_DEVICE_TREE_GUID))
+ continue;
+
+ oftree = (void *)ect->table;
+ magic = be32_to_cpu(oftree->magic);
+
+ if (magic != FDT_MAGIC) {
+ pr_err("table has invalid magic 0x%08x\n", magic);
+ return -EILSEQ;
+ }
+
+ size = be32_to_cpu(oftree->totalsize);
+ ret = write_file("/efi.dtb", oftree, size);
+ if (ret) {
+ pr_err("error saving /efi.dtb: %pe\n", ERR_PTR(ret));
+ return ret;
+ }
+
+ return 0;
+ }
+
+ return 0;
+}
+late_initcall(efi_fdt_probe);
diff --git a/common/efi/payload/image.c b/common/efi/payload/image.c
index e63da9ddf0..8e39098ae8 100644
--- a/common/efi/payload/image.c
+++ b/common/efi/payload/image.c
@@ -133,9 +133,11 @@ static int efi_execute_image(const char *file)
pr_debug("Linux kernel detected. Adding bootargs.");
options = linux_bootargs_get();
pr_err("add linux options '%s'\n", options);
- loaded_image->load_options = xstrdup_char_to_wchar(options);
- loaded_image->load_options_size =
- (strlen(options) + 1) * sizeof(wchar_t);
+ if (options) {
+ loaded_image->load_options = xstrdup_char_to_wchar(options);
+ loaded_image->load_options_size =
+ (strlen(options) + 1) * sizeof(wchar_t);
+ }
shutdown_barebox();
}
@@ -227,8 +229,10 @@ static int do_bootm_efi(struct image_data *data)
}
options = linux_bootargs_get();
- boot_header->cmd_line_ptr = (uint64_t)options;
- boot_header->cmdline_size = strlen(options);
+ if (options) {
+ boot_header->cmd_line_ptr = (uint64_t)options;
+ boot_header->cmdline_size = strlen(options);
+ }
boot_header->code32_start = (uint64_t)loaded_image->image_base +
(image_header->setup_sects+1) * 512;