diff options
| author | Zelalem Aweke <zelalem.aweke@arm.com> | 2021-07-13 14:05:20 -0500 |
|---|---|---|
| committer | Zelalem Aweke <zelalem.aweke@arm.com> | 2021-10-05 11:56:00 -0500 |
| commit | 1839012d5b5d431f7ec307230eae9890a5fe7477 (patch) | |
| tree | 15bce24d69e966918d05bba6483408fce5423e16 /bl31 | |
| parent | 5b18de09e80f87963df9a2e451c47e2321b8643a (diff) | |
feat(rme): add GPT Library
This patch introduces the Granule Protection Table (GPT)
library code. This implementation will be updated later to
be more flexible, as the current implementation is very rigid.
Signed-off-by: Zelalem Aweke <zelalem.aweke@arm.com>
Change-Id: I3af824a28c6e9a5d36459c0c51d2d9bebfba1505
Diffstat (limited to 'bl31')
| -rw-r--r-- | bl31/aarch64/bl31_entrypoint.S | 10 | ||||
| -rw-r--r-- | bl31/bl31.mk | 5 |
2 files changed, 13 insertions, 2 deletions
diff --git a/bl31/aarch64/bl31_entrypoint.S b/bl31/aarch64/bl31_entrypoint.S index 2d672dd12d..2e9a394963 100644 --- a/bl31/aarch64/bl31_entrypoint.S +++ b/bl31/aarch64/bl31_entrypoint.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2013-2021, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -172,6 +172,14 @@ func bl31_warm_entrypoint _exception_vectors=runtime_exceptions \ _pie_fixup_size=0 +#if ENABLE_RME + /* + * Initialise and enable Granule Protection + * before enabling any stage of translation. + */ + bl gpt_enable +#endif + /* * We're about to enable MMU and participate in PSCI state coordination. * diff --git a/bl31/bl31.mk b/bl31/bl31.mk index ce0f69b7d2..5927fb1c97 100644 --- a/bl31/bl31.mk +++ b/bl31/bl31.mk @@ -112,7 +112,10 @@ BL31_SOURCES += services/std_svc/pci_svc.c endif ifeq (${ENABLE_RME},1) -BL31_SOURCES += ${RMMD_SOURCES} +include lib/gpt/gpt.mk + +BL31_SOURCES += ${GPT_LIB_SRCS} \ + ${RMMD_SOURCES} endif BL31_LINKERFILE := bl31/bl31.ld.S |