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authorAlistair Delva <adelva@google.com>2021-02-16 21:01:22 +0000
committerAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>2021-02-16 21:01:22 +0000
commitefb2826bb8160e2d8e0fcec85133a7468484f9fd (patch)
tree37a21c69306801ee7cdda5167a30896c8740155b /include/arch/aarch32/el3_common_macros.S
parentb00a71fc312c9781fa6f404dccfb55b062b2ccac (diff)
parentfaa476c0caaa598afa5a6109d17102db5fe35ec6 (diff)
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Original change: https://android-review.googlesource.com/c/platform/external/arm-trusted-firmware/+/1589611 MUST ONLY BE SUBMITTED BY AUTOMERGER Change-Id: I3a25534ceed4f8e188510641080d8b8ed49b8f62
Diffstat (limited to 'include/arch/aarch32/el3_common_macros.S')
-rw-r--r--include/arch/aarch32/el3_common_macros.S14
1 files changed, 13 insertions, 1 deletions
diff --git a/include/arch/aarch32/el3_common_macros.S b/include/arch/aarch32/el3_common_macros.S
index 7559de446..580dd95b7 100644
--- a/include/arch/aarch32/el3_common_macros.S
+++ b/include/arch/aarch32/el3_common_macros.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -242,6 +242,10 @@
cps #MODE32_mon
isb
+#if DISABLE_MTPMU
+ bl mtpmu_disable
+#endif
+
.if \_warm_boot_mailbox
/* -------------------------------------------------------------
* This code will be executed for both warm and cold resets.
@@ -329,6 +333,11 @@
bl inv_dcache_range
#endif
+ /*
+ * zeromem uses r12 whereas it is used to save previous BL arg3,
+ * save it in r7
+ */
+ mov r7, r12
ldr r0, =__BSS_START__
ldr r1, =__BSS_SIZE__
bl zeromem
@@ -339,6 +348,9 @@
bl zeromem
#endif
+ /* Restore r12 */
+ mov r12, r7
+
#if defined(IMAGE_BL1) || (defined(IMAGE_BL2) && BL2_AT_EL3 && BL2_IN_XIP_MEM)
/* -----------------------------------------------------
* Copy data from ROM to RAM.