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From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 2/5] efi: fix lds for secure boot support
Date: Thu,  9 Mar 2017 15:34:07 +0100	[thread overview]
Message-ID: <1489070050-16024-2-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <1489070050-16024-1-git-send-email-plagnioj@jcrosoft.com>

everythink need to be aligned to 4096

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@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@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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  reply	other threads:[~2017-03-09 14:28 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-09 14:31 [PATCH 0/5] EFI Secure " Jean-Christophe PLAGNIOL-VILLARD
2017-03-09 14:34 ` [PATCH 1/5] efi: add more security related guid for the efivars Jean-Christophe PLAGNIOL-VILLARD
2017-03-09 14:34   ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2017-03-09 17:24     ` [PATCH 2/5] efi: fix lds for secure boot support Lucas Stach
2017-03-10 10:17       ` Jean-Christophe PLAGNIOL-VILLARD
2017-03-10 11:05         ` Lucas Stach
2017-03-10 13:54           ` Jean-Christophe PLAGNIOL-VILLARD
2017-03-10 13:57             ` Lucas Stach
2017-03-10 14:13             ` Jean-Christophe PLAGNIOL-VILLARD
2017-03-09 14:34   ` [PATCH 3/5] efi: fix secure and setup mode report Jean-Christophe PLAGNIOL-VILLARD
2017-03-13  7:34     ` Sascha Hauer
2017-03-14  8:15       ` Jean-Christophe PLAGNIOL-VILLARD
2017-03-09 14:34   ` [PATCH 4/5] boot: if we are in secure boot mode Jean-Christophe PLAGNIOL-VILLARD
2017-03-13  7:50     ` Sascha Hauer
2017-03-14  8:14       ` Jean-Christophe PLAGNIOL-VILLARD
2017-03-13  7:55     ` Sascha Hauer
2017-03-14  8:07       ` Jean-Christophe PLAGNIOL-VILLARD
2017-03-14  9:48         ` Sascha Hauer
2017-03-09 14:34   ` [PATCH 5/5] efi: enable sercure boot support Jean-Christophe PLAGNIOL-VILLARD

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