diff options
Diffstat (limited to 'services/std_svc/spm_deprecated/spm_setup.c')
| -rw-r--r-- | services/std_svc/spm_deprecated/spm_setup.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/services/std_svc/spm_deprecated/spm_setup.c b/services/std_svc/spm_deprecated/spm_setup.c index beaff946..aae6cd5e 100644 --- a/services/std_svc/spm_deprecated/spm_setup.c +++ b/services/std_svc/spm_deprecated/spm_setup.c @@ -144,8 +144,6 @@ void spm_sp_setup(sp_context_t *sp_ctx) SCTLR_SA0_BIT | /* Allow cacheable data and instr. accesses to normal memory. */ SCTLR_C_BIT | SCTLR_I_BIT | - /* Alignment fault checking enabled when at EL1 and EL0. */ - SCTLR_A_BIT | /* Enable MMU. */ SCTLR_M_BIT ; @@ -153,6 +151,11 @@ void spm_sp_setup(sp_context_t *sp_ctx) sctlr_el1 &= ~( /* Explicit data accesses at EL0 are little-endian. */ SCTLR_E0E_BIT | + /* + * Alignment fault checking disabled when at EL1 and EL0 as + * the UEFI spec permits unaligned accesses. + */ + SCTLR_A_BIT | /* Accesses to DAIF from EL0 are trapped to EL1. */ SCTLR_UMA_BIT ); |