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FVP: Change BL31_BASE when RESET_TO_BL31=1

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This patch defines BL31_BASE to 0x0 when RESET_TO_BL31=1 as the
executable is built with PIE support and can be loaded anywhere
in SRAM for execution.

Change-Id: I4007f4626322f1200a6304c9c565987d3357986c
Signed-off-by: Soby Mathew <soby.mathew@arm.com>
This commit is contained in:
Soby Mathew 2018-12-12 14:13:52 +00:00
parent 4f7812e7ac
commit 55cf015c20
1 changed files with 8 additions and 4 deletions
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12
include/plat/arm/common/arm_def.h
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@ -407,12 +407,16 @@
#define BL31_LIMIT (ARM_AP_TZC_DRAM1_BASE + \
PLAT_ARM_MAX_BL31_SIZE)
#elif (RESET_TO_BL31)
/* Ensure Position Independent support (PIE) is enabled for this config.*/
# if !ENABLE_PIE
# error "BL31 must be a PIE if RESET_TO_BL31=1."
# endif
/*
* Put BL31_BASE in the middle of the Trusted SRAM.
* Since this is PIE, we can define BL31_BASE to 0x0 since this macro is solely
* used for building BL31 when RESET_TO_BL31=1.
*/
#define BL31_BASE (ARM_TRUSTED_SRAM_BASE + \
(PLAT_ARM_TRUSTED_SRAM_SIZE >> 1))
#define BL31_LIMIT (ARM_BL_RAM_BASE + ARM_BL_RAM_SIZE)
#define BL31_BASE 0x0
#define BL31_LIMIT PLAT_ARM_MAX_BL31_SIZE
#else
/* Put BL31 below BL2 in the Trusted SRAM.*/
#define BL31_BASE ((ARM_BL_RAM_BASE + ARM_BL_RAM_SIZE)\