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| author | Varun Wadekar <vwadekar@nvidia.com> | 2020-06-12 10:11:28 -0700 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2020-06-12 10:20:11 -0700 |
| commit | fbc44bd1bbbafe01848afd009d507b595b264b5f (patch) | |
| tree | 67431f3739b10391c78b582f53c371f3ef41d1c8 /make_helpers | |
| parent | 0d8511953e19a5da80ac1a0ed9ec8e76b57a33a8 (diff) | |
| download | arm-trusted-firmware-fbc44bd1bbbafe01848afd009d507b595b264b5f.tar.gz | |
Prevent RAS register access from lower ELs
This patch adds a build config 'RAS_TRAP_LOWER_EL_ERR_ACCESS' to set
SCR_EL3.TERR during CPU boot. This bit enables trapping RAS register
accesses from EL1 or EL2 to EL3.
RAS_TRAP_LOWER_EL_ERR_ACCESS is disabled by default.
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Change-Id: Ifb0fb0afedea7dd2a29a0b0491a1161ecd241438
Diffstat (limited to 'make_helpers')
| -rw-r--r-- | make_helpers/defaults.mk | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk index 585f06fcc..6db228f2d 100644 --- a/make_helpers/defaults.mk +++ b/make_helpers/defaults.mk @@ -302,3 +302,6 @@ SUPPORT_STACK_MEMTAG := no # Select workaround for AT speculative behaviour. ERRATA_SPECULATIVE_AT := 0 + +# Trap RAS error record access from lower EL +RAS_TRAP_LOWER_EL_ERR_ACCESS := 0 |