andrius
/
arm-trusted-firmware
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ti: k3: common: Enable SEPARATE_CODE_AND_RODATA by default 

This should be more secure and looks a bit cleaner.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Change-Id: Ie5eaf0234b211ba02631cf5eab5faa1402a34461
This commit is contained in:
Andrew F. Davis 2019-01-22 14:16:03 -06:00
parent 32e29fcb0c
commit e2dc40a222
3 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
plat/ti/k3/common/k3_bl31_setup.c
View File

@ -99,7 +99,7 @@ void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
void bl31_plat_arch_setup(void)
{
const mmap_region_t bl_regions[] = {
MAP_REGION_FLAT(BL31_BASE, BL31_END - BL31_BASE,
MAP_REGION_FLAT(BL31_START, BL31_END - BL31_START,
MT_MEMORY | MT_RW | MT_SECURE),
MAP_REGION_FLAT(BL_CODE_BASE, BL_CODE_END - BL_CODE_BASE,
MT_CODE | MT_SECURE),

3
plat/ti/k3/common/plat_common.mk
View File

@ -22,6 +22,9 @@ ERRATA_A53_836870 := 1
ERRATA_A53_843419 := 1
ERRATA_A53_855873 := 1
# Split out RO data into a non-executable section
SEPARATE_CODE_AND_RODATA := 1
# Leave the caches enabled on core powerdown path
TI_AM65X_WORKAROUND := 1
$(eval $(call add_define,TI_AM65X_WORKAROUND))

1
plat/ti/k3/include/platform_def.h
View File

@ -82,7 +82,6 @@
#define BL31_BASE SEC_SRAM_BASE
#define BL31_SIZE SEC_SRAM_SIZE
#define BL31_LIMIT (BL31_BASE + BL31_SIZE)
#define BL31_PROGBITS_LIMIT BL31_LIMIT
/*
* Defines the maximum number of translation tables that are allocated by the