diff options
| author | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2019-01-30 20:29:50 +0000 |
|---|---|---|
| committer | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2019-02-27 11:58:09 +0000 |
| commit | cd7d6b0eb161c4b24f4ff19822cbb26c3f59a3f5 (patch) | |
| tree | 1e0d27910f82ee85e64af16ef318db8c3ae35313 /bl1/bl1_main.c | |
| parent | ff6844c3de9b34a09f358a3204264059834e2b1d (diff) | |
BL1: Enable pointer authentication support
The size increase after enabling options related to ARMv8.3-PAuth is:
+----------------------------+-------+-------+-------+--------+
| | text | bss | data | rodata |
+----------------------------+-------+-------+-------+--------+
| CTX_INCLUDE_PAUTH_REGS = 1 | +108 | +192 | +0 | +0 |
| | 0.5% | 0.8% | | |
+----------------------------+-------+-------+-------+--------+
| ENABLE_PAUTH = 1 | +748 | +192 | +16 | +0 |
| | 3.7% | 0.8% | 7.0% | |
+----------------------------+-------+-------+-------+--------+
Results calculated with the following build configuration:
make PLAT=fvp SPD=tspd DEBUG=1 \
SDEI_SUPPORT=1 \
EL3_EXCEPTION_HANDLING=1 \
TSP_NS_INTR_ASYNC_PREEMPT=1 \
CTX_INCLUDE_PAUTH_REGS=1 \
ENABLE_PAUTH=1
Change-Id: I3a7d02feb6a6d212be32a01432b0c7c1a261f567
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
Diffstat (limited to 'bl1/bl1_main.c')
| -rw-r--r-- | bl1/bl1_main.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/bl1/bl1_main.c b/bl1/bl1_main.c index d2c2b417..fce14f55 100644 --- a/bl1/bl1_main.c +++ b/bl1/bl1_main.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -52,6 +52,28 @@ void bl1_calc_bl2_mem_layout(const meminfo_t *bl1_mem_layout, } /******************************************************************************* + * Setup function for BL1. + ******************************************************************************/ +void bl1_setup(void) +{ + /* Perform early platform-specific setup */ + bl1_early_platform_setup(); + +#ifdef AARCH64 + /* + * Update pointer authentication key before the MMU is enabled. It is + * saved in the rodata section, that can be writen before enabling the + * MMU. This function must be called after the console is initialized + * in the early platform setup. + */ + bl_handle_pauth(); +#endif /* AARCH64 */ + + /* Perform late platform-specific setup */ + bl1_plat_arch_setup(); +} + +/******************************************************************************* * Function to perform late architectural and platform specific initialization. * It also queries the platform to load and run next BL image. Only called * by the primary cpu after a cold boot. |