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| author | Alistair Delva <adelva@google.com> | 2021-02-16 21:01:22 +0000 |
|---|---|---|
| committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2021-02-16 21:01:22 +0000 |
| commit | efb2826bb8160e2d8e0fcec85133a7468484f9fd (patch) | |
| tree | 37a21c69306801ee7cdda5167a30896c8740155b /bl31/bl31_main.c | |
| parent | b00a71fc312c9781fa6f404dccfb55b062b2ccac (diff) | |
| parent | faa476c0caaa598afa5a6109d17102db5fe35ec6 (diff) | |
| download | platform_external_arm-trusted-firmware-efb2826bb8160e2d8e0fcec85133a7468484f9fd.tar.gz platform_external_arm-trusted-firmware-efb2826bb8160e2d8e0fcec85133a7468484f9fd.tar.bz2 platform_external_arm-trusted-firmware-efb2826bb8160e2d8e0fcec85133a7468484f9fd.zip | |
Merge branch 'aosp/upstream-master' into HEAD am: faa476c0caHEADandroid-s-beta-5android-s-beta-4android-s-beta-3android-s-beta-2android-s-beta-1mastermain-cg-testing-releaseandroid-s-beta-5android-s-beta-4
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 'bl31/bl31_main.c')
| -rw-r--r-- | bl31/bl31_main.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/bl31/bl31_main.c b/bl31/bl31_main.c index 92a2027dd..44bf32cb7 100644 --- a/bl31/bl31_main.c +++ b/bl31/bl31_main.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -41,6 +41,15 @@ static int32_t (*bl32_init)(void); ******************************************************************************/ static uint32_t next_image_type = NON_SECURE; +#ifdef SUPPORT_UNKNOWN_MPID +/* + * Flag to know whether an unsupported MPID has been detected. To avoid having it + * landing on the .bss section, it is initialized to a non-zero value, this way + * we avoid potential WAW hazards during system bring up. + * */ +volatile uint32_t unsupported_mpid_flag = 1; +#endif + /* * Implement the ARM Standard Service function to get arguments for a * particular service. @@ -98,6 +107,12 @@ void bl31_main(void) NOTICE("BL31: %s\n", version_string); NOTICE("BL31: %s\n", build_message); +#ifdef SUPPORT_UNKNOWN_MPID + if (unsupported_mpid_flag == 0) { + NOTICE("Unsupported MPID detected!\n"); + } +#endif + /* Perform platform setup in BL31 */ bl31_platform_setup(); |