[PATCH 11/13] efi: fix lds for secure boot support
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Sat Mar 25 19:45:02 PDT 2017
everythink need to be aligned to 4096
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
arch/x86/mach-efi/elf_ia32_efi.lds.S | 10 +++++++---
arch/x86/mach-efi/elf_x86_64_efi.lds.S | 10 ++++++----
arch/x86/mach-efi/include/mach/barebox.lds.h | 14 +++++++++++++-
include/asm-generic/barebox.lds.h | 8 +++++---
4 files changed, 31 insertions(+), 11 deletions(-)
diff --git a/arch/x86/mach-efi/elf_ia32_efi.lds.S b/arch/x86/mach-efi/elf_ia32_efi.lds.S
index 69f43f554..6d9cb973c 100644
--- a/arch/x86/mach-efi/elf_ia32_efi.lds.S
+++ b/arch/x86/mach-efi/elf_ia32_efi.lds.S
@@ -50,22 +50,23 @@ SECTIONS
*(COMMON)
}
- . = ALIGN(64);
+ . = ALIGN(4096);
__barebox_initcalls_start = .;
__barebox_initcalls : { INITCALLS }
__barebox_initcalls_end = .;
+ . = ALIGN(4096);
__barebox_exitcalls_start = .;
__barebox_exitcalls : { EXITCALLS }
__barebox_exitcalls_end = .;
- . = ALIGN(64);
+ . = ALIGN(4096);
__barebox_magicvar_start = .;
.barebox_magicvar : { BAREBOX_MAGICVARS }
__barebox_magicvar_end = .;
- . = ALIGN(64);
+ . = ALIGN(4096);
__barebox_cmd_start = .;
__barebox_cmd : { BAREBOX_CMDS }
__barebox_cmd_end = .;
@@ -76,6 +77,9 @@ SECTIONS
.rel : {
*(.rel.data)
*(.rel.data.*)
+ *(.rela.barebox*)
+ *(.rela.initcall*)
+ *(.rela.exitcall*)
*(.rel.got)
*(.rel.stab)
*(.data.rel.ro.local)
diff --git a/arch/x86/mach-efi/elf_x86_64_efi.lds.S b/arch/x86/mach-efi/elf_x86_64_efi.lds.S
index 93d34d17a..8216d1d70 100644
--- a/arch/x86/mach-efi/elf_x86_64_efi.lds.S
+++ b/arch/x86/mach-efi/elf_x86_64_efi.lds.S
@@ -23,6 +23,7 @@ SECTIONS
*(.text)
*(.text.*)
*(.gnu.linkonce.t.*)
+ . = ALIGN(16);
}
_etext = .;
@@ -33,8 +34,8 @@ SECTIONS
*(.reloc)
}
- . = ALIGN(4096);
_sdata = .;
+ . = ALIGN(4096);
.data : {
*(.rodata*)
@@ -52,22 +53,23 @@ SECTIONS
*(.rel.local)
}
- . = ALIGN(64);
+ . = ALIGN(4096);
__barebox_initcalls_start = .;
__barebox_initcalls : { INITCALLS }
__barebox_initcalls_end = .;
+ . = ALIGN(4096);
__barebox_exitcalls_start = .;
__barebox_exitcalls : { EXITCALLS }
__barebox_exitcalls_end = .;
- . = ALIGN(64);
+ . = ALIGN(4096);
__barebox_magicvar_start = .;
.barebox_magicvar : { BAREBOX_MAGICVARS }
__barebox_magicvar_end = .;
- . = ALIGN(64);
+ . = ALIGN(4096);
__barebox_cmd_start = .;
__barebox_cmd : { BAREBOX_CMDS }
__barebox_cmd_end = .;
diff --git a/arch/x86/mach-efi/include/mach/barebox.lds.h b/arch/x86/mach-efi/include/mach/barebox.lds.h
index 40a8c178f..e7a3bb9cd 100644
--- a/arch/x86/mach-efi/include/mach/barebox.lds.h
+++ b/arch/x86/mach-efi/include/mach/barebox.lds.h
@@ -1 +1,13 @@
-/* empty */
+/*
+ * Copyright (C) 2017 Jean-Christophe PLAGNIOL-VILLARD <plagnio at jcrosoft.com>
+ *
+ * Under GPL v2
+ */
+
+#ifndef __EFI_MACH_BAREBOX_LDS_H__
+#define __EFI_MACH_BAREBOX_LDS_H__
+
+/* For secure boot we need all the section to be 4096 alligned */
+#define STRUCT_ALIGNMENT 4096
+
+#endif /* __EFI_MACH_BAREBOX_LDS_H__ */
diff --git a/include/asm-generic/barebox.lds.h b/include/asm-generic/barebox.lds.h
index c8a919b92..6c37751b3 100644
--- a/include/asm-generic/barebox.lds.h
+++ b/include/asm-generic/barebox.lds.h
@@ -3,15 +3,17 @@
* Align to a 32 byte boundary equal to the
* alignment gcc 4.5 uses for a struct
*/
-#define STRUCT_ALIGNMENT 32
-#define STRUCT_ALIGN() . = ALIGN(STRUCT_ALIGNMENT)
-
#if defined CONFIG_X86 || \
defined CONFIG_ARCH_EP93XX || \
defined CONFIG_ARCH_ZYNQ
#include <mach/barebox.lds.h>
#endif
+#ifndef STRUCT_ALIGNMENT
+#define STRUCT_ALIGNMENT 32
+#endif
+#define STRUCT_ALIGN() . = ALIGN(STRUCT_ALIGNMENT)
+
#ifndef PRE_IMAGE
#define PRE_IMAGE
#endif
--
2.11.0
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