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| author | davidcunado-arm <david.cunado@arm.com> | 2017-05-11 16:04:52 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-05-11 16:04:52 +0100 |
| commit | d6104f5ab4e68f92cf97f6a3e55395c71ed137ac (patch) | |
| tree | 4c9488add4622ce77fc328e34efe6f4bb7289873 /lib/el3_runtime | |
| parent | 78b7134927422425bcad3413cf78783e3eaf633c (diff) | |
| parent | b10d44995eb652675863c2cc6a7726683613da0d (diff) | |
Merge pull request #927 from jeenu-arm/state-switch
Execution state switch
Diffstat (limited to 'lib/el3_runtime')
| -rw-r--r-- | lib/el3_runtime/aarch64/context_mgmt.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/el3_runtime/aarch64/context_mgmt.c b/lib/el3_runtime/aarch64/context_mgmt.c index d376fdac..0104c4ed 100644 --- a/lib/el3_runtime/aarch64/context_mgmt.c +++ b/lib/el3_runtime/aarch64/context_mgmt.c @@ -205,8 +205,7 @@ void cm_prepare_el3_exit(uint32_t security_state) sctlr_elx &= ~SCTLR_EE_BIT; sctlr_elx |= SCTLR_EL2_RES1; write_sctlr_el2(sctlr_elx); - } else if (read_id_aa64pfr0_el1() & - (ID_AA64PFR0_ELX_MASK << ID_AA64PFR0_EL2_SHIFT)) { + } else if (EL_IMPLEMENTED(2)) { /* EL2 present but unused, need to disable safely */ /* HCR_EL2 = 0, except RW bit set to match SCR_EL3 */ |