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authorDennis Gilmore <dennis@ausil.us>2014-04-26 21:49:55 -0500
committerDennis Gilmore <dennis@ausil.us>2014-04-26 21:49:55 -0500
commit1619496436087ded318042cbc8c1a5b0513c2b7f (patch)
tree111d7e2d85a06de381d91c66d971a70d53302db8 /0031-ARM-HYP-non-sec-add-separate-section-for-secure-code.patch
parent0454bb3cbb683f2e5f15d473893ea6645cbc1293 (diff)
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add cubietruck u-boot image
Diffstat (limited to '0031-ARM-HYP-non-sec-add-separate-section-for-secure-code.patch')
-rw-r--r--0031-ARM-HYP-non-sec-add-separate-section-for-secure-code.patch93
1 files changed, 93 insertions, 0 deletions
diff --git a/0031-ARM-HYP-non-sec-add-separate-section-for-secure-code.patch b/0031-ARM-HYP-non-sec-add-separate-section-for-secure-code.patch
new file mode 100644
index 0000000..1dcbcbd
--- /dev/null
+++ b/0031-ARM-HYP-non-sec-add-separate-section-for-secure-code.patch
@@ -0,0 +1,93 @@
+From 4c35371fe7e2ed9e057cd3eb9380380099d0ea19 Mon Sep 17 00:00:00 2001
+From: Marc Zyngier <marc.zyngier@arm.com>
+Date: Sat, 26 Apr 2014 13:17:06 +0100
+Subject: [PATCH 31/36] ARM: HYP/non-sec: add separate section for secure code
+
+In anticipation of refactoring the HYP/non-secure code to run
+from secure RAM, add a new linker section that will contain that
+code.
+
+Nothing is using it just yet.
+
+Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
+---
+ arch/arm/config.mk | 2 +-
+ arch/arm/cpu/u-boot.lds | 30 ++++++++++++++++++++++++++++++
+ arch/arm/lib/sections.c | 2 ++
+ 3 files changed, 33 insertions(+), 1 deletion(-)
+
+diff --git a/arch/arm/config.mk b/arch/arm/config.mk
+index 66ecc2e..a729ed2 100644
+--- a/arch/arm/config.mk
++++ b/arch/arm/config.mk
+@@ -113,7 +113,7 @@ endif
+ ifdef CONFIG_ARM64
+ OBJCOPYFLAGS += -j .text -j .rodata -j .data -j .u_boot_list -j .rela.dyn
+ else
+-OBJCOPYFLAGS += -j .text -j .rodata -j .hash -j .data -j .got.plt -j .u_boot_list -j .rel.dyn
++OBJCFLAGS += -j .text -j .secure_text -j .rodata -j .hash -j .data -j .got.plt -j .u_boot_list -j .rel.dyn
+ endif
+
+ ifneq ($(CONFIG_IMX_CONFIG),)
+diff --git a/arch/arm/cpu/u-boot.lds b/arch/arm/cpu/u-boot.lds
+index 33c1f99..f45885d 100644
+--- a/arch/arm/cpu/u-boot.lds
++++ b/arch/arm/cpu/u-boot.lds
+@@ -7,6 +7,8 @@
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
++#include <config.h>
++
+ OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+ OUTPUT_ARCH(arm)
+ ENTRY(_start)
+@@ -22,6 +24,34 @@ SECTIONS
+ *(.text*)
+ }
+
++#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) || defined(CONFIG_ARMV7_PSCI)
++
++#ifndef CONFIG_ARMV7_SECURE_BASE
++#define CONFIG_ARMV7_SECURE_BASE
++#endif
++
++ .__secure_start : {
++ . = ALIGN(0x1000);
++ *(.__secure_start)
++ }
++
++ .secure_text CONFIG_ARMV7_SECURE_BASE :
++ AT(ADDR(.__secure_start) + SIZEOF(.__secure_start))
++ {
++ *(._secure.text)
++ }
++
++ . = LOADADDR(.__secure_start) +
++ SIZEOF(.__secure_start) +
++ SIZEOF(.secure_text);
++
++ __secure_end_lma = .;
++ .__secure_end : AT(__secure_end_lma) {
++ *(.__secure_end)
++ LONG(0x1d1071c); /* Must output something to reset LMA */
++ }
++#endif
++
+ . = ALIGN(4);
+ .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
+
+diff --git a/arch/arm/lib/sections.c b/arch/arm/lib/sections.c
+index 5b30bcb..a1205c3 100644
+--- a/arch/arm/lib/sections.c
++++ b/arch/arm/lib/sections.c
+@@ -25,4 +25,6 @@ char __image_copy_start[0] __attribute__((section(".__image_copy_start")));
+ char __image_copy_end[0] __attribute__((section(".__image_copy_end")));
+ char __rel_dyn_start[0] __attribute__((section(".__rel_dyn_start")));
+ char __rel_dyn_end[0] __attribute__((section(".__rel_dyn_end")));
++char __secure_start[0] __attribute__((section(".__secure_start")));
++char __secure_end[0] __attribute__((section(".__secure_end")));
+ char _end[0] __attribute__((section(".__end")));
+--
+1.9.0
+