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| author | Marc Zyngier <marc.zyngier@arm.com> | 2014-04-26 13:17:06 +0100 |
|---|---|---|
| committer | Dennis Gilmore <dennis@ausil.us> | 2014-04-26 09:19:25 -0500 |
| commit | 4c35371fe7e2ed9e057cd3eb9380380099d0ea19 (patch) | |
| tree | 5bdad7418142afcd828f15a83c71ba175d7caf60 | |
| parent | eed1c957b6294e0205cc8521516c51dce7bb72c1 (diff) | |
| download | u-boot-4c35371fe7e2ed9e057cd3eb9380380099d0ea19.tar.gz u-boot-4c35371fe7e2ed9e057cd3eb9380380099d0ea19.tar.xz u-boot-4c35371fe7e2ed9e057cd3eb9380380099d0ea19.zip | |
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>
| -rw-r--r-- | arch/arm/config.mk | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/u-boot.lds | 30 | ||||
| -rw-r--r-- | arch/arm/lib/sections.c | 2 |
3 files changed, 33 insertions, 1 deletions
diff --git a/arch/arm/config.mk b/arch/arm/config.mk index 66ecc2ee4d..a729ed2a79 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 33c1f99fc0..f45885dcd9 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 5b30bcb9a5..a1205c370d 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"))); |