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fix a typo about sctlr_el2

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which will cause write_sctlr_el2 use all sctlr_el1 value except the EE bit

The code doesn't "Use SCTLR_EL1.EE value to initialise sctlr_el2"
but, read out SCTLR_EL1 and clear EE bit, then set to sctlr_el2

Signed-off-by: Ken Kuang <ken.kuang@spreadtrum.com>
This commit is contained in:
Ken Kuang 2017-08-23 16:03:29 +08:00
parent 096b7af7c9
commit 2e09d4f804
1 changed files with 1 additions and 1 deletions

2
lib/el3_runtime/aarch64/context_mgmt.c

@ -229,7 +229,7 @@ void cm_prepare_el3_exit(uint32_t security_state)
/* Use SCTLR_EL1.EE value to initialise sctlr_el2 */
sctlr_elx = read_ctx_reg(get_sysregs_ctx(ctx),
CTX_SCTLR_EL1);
sctlr_elx &= ~SCTLR_EE_BIT;
sctlr_elx &= SCTLR_EE_BIT;
sctlr_elx |= SCTLR_EL2_RES1;
write_sctlr_el2(sctlr_elx);
} else if (EL_IMPLEMENTED(2)) {