feat(bl2): add support to separate no-loadable sections
Add new options SEPARATE_BL2_NOLOAD_REGION to separate no-loadable
sections (.bss, stack, page tables) to a ram region specified
by BL2_NOLOAD_START and BL2_NOLOAD_LIMIT.
Signed-off-by: Jiafei Pan <Jiafei.Pan@nxp.com>
Change-Id: I844ee0fc405474af0aff978d292c826fbe0a82fd
diff --git a/include/arch/aarch32/el3_common_macros.S b/include/arch/aarch32/el3_common_macros.S
index ad2a039..8b6765a 100644
--- a/include/arch/aarch32/el3_common_macros.S
+++ b/include/arch/aarch32/el3_common_macros.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016-2021, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -398,6 +398,12 @@
ldr r1, =__RW_END__
sub r1, r1, r0
bl inv_dcache_range
+#if defined(IMAGE_BL2) && SEPARATE_BL2_NOLOAD_REGION
+ ldr r0, =__BL2_NOLOAD_START__
+ ldr r1, =__BL2_NOLOAD_END__
+ sub r1, r1, r0
+ bl inv_dcache_range
+#endif
#endif
/*