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-rw-r--r--arch/arm/boot/compressed/vmlinux.lds.S19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/vmlinux.lds.S b/arch/arm/boot/compressed/vmlinux.lds.S
index 7d06aa19c3e6..2b963d8e76dd 100644
--- a/arch/arm/boot/compressed/vmlinux.lds.S
+++ b/arch/arm/boot/compressed/vmlinux.lds.S
@@ -44,12 +44,23 @@ SECTIONS
*(.glue_7t)
*(.glue_7)
}
+ .table : ALIGN(4) {
+ _table_start = .;
+ LONG(ZIMAGE_MAGIC(2))
+ LONG(ZIMAGE_MAGIC(0x5a534c4b))
+ LONG(ZIMAGE_MAGIC(__piggy_size_addr - _start))
+ LONG(ZIMAGE_MAGIC(_kernel_bss_size))
+ LONG(0)
+ _table_end = .;
+ }
.rodata : {
*(.rodata)
*(.rodata.*)
+ *(.data.rel.ro)
}
.piggydata : {
*(.piggydata)
+ __piggy_size_addr = . - 4;
}
. = ALIGN(4);
@@ -91,12 +102,19 @@ SECTIONS
* this symbol allows further debug in the near future.
*/
.image_end (NOLOAD) : {
+ /*
+ * EFI requires that the image is aligned to 512 bytes, and appended
+ * DTB requires that we know where the end of the image is. Ensure
+ * that both are satisfied by ensuring that there are no additional
+ * sections emitted into the decompressor image.
+ */
_edata_real = .;
}
_magic_sig = ZIMAGE_MAGIC(0x016f2818);
_magic_start = ZIMAGE_MAGIC(_start);
_magic_end = ZIMAGE_MAGIC(_edata);
+ _magic_table = ZIMAGE_MAGIC(_table_start - _start);
. = BSS_START;
__bss_start = .;
@@ -117,3 +135,4 @@ SECTIONS
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
}
+ASSERT(_edata_real == _edata, "error: zImage file size is incorrect");