plat/arm: Save BL2 descriptors to reserved memory.
On ARM platforms, the BL2 memory can be overlaid by BL31/BL32. The memory
descriptors describing the list of executable images are created in BL2
R/W memory, which could be possibly corrupted later on by BL31/BL32 due
to overlay. This patch creates a reserved location in SRAM for these
descriptors and are copied over by BL2 before handing over to next BL
image.
Also this patch increases the PLAT_ARM_MAX_BL2_SIZE for juno when TBBR
is enabled.
Fixes ARM-Software/tf-issues#626
Change-Id: I755735706fa702024b4032f51ed4895b3687377f
Signed-off-by: Sathees Balya <sathees.balya@arm.com>
diff --git a/plat/arm/board/juno/include/platform_def.h b/plat/arm/board/juno/include/platform_def.h
index ed82879..b10cfdc 100644
--- a/plat/arm/board/juno/include/platform_def.h
+++ b/plat/arm/board/juno/include/platform_def.h
@@ -143,7 +143,7 @@
#elif TF_MBEDTLS_KEY_ALG_ID == TF_MBEDTLS_ECDSA
# define PLAT_ARM_MAX_BL2_SIZE UL(0x1D000)
#else
-# define PLAT_ARM_MAX_BL2_SIZE UL(0x1C000)
+# define PLAT_ARM_MAX_BL2_SIZE UL(0x1D000)
#endif
#else
# define PLAT_ARM_MAX_BL2_SIZE UL(0xF000)