diff options
Diffstat (limited to 'bl32')
| -rw-r--r-- | bl32/sp_min/aarch32/entrypoint.S | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/bl32/sp_min/aarch32/entrypoint.S b/bl32/sp_min/aarch32/entrypoint.S index 2ffef6a2..0a684754 100644 --- a/bl32/sp_min/aarch32/entrypoint.S +++ b/bl32/sp_min/aarch32/entrypoint.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -183,15 +183,6 @@ func sp_min_handle_smc stcopr r0, SCR isb - /* - * Set PMCR.DP to 1 to prohibit cycle counting whilst in Secure Mode. - * Also, the PMCR.LC field has an architecturally UNKNOWN value on reset - * and so set to 1 as ARM has deprecated use of PMCR.LC=0. - */ - ldcopr r0, PMCR - orr r0, r0, #(PMCR_LC_BIT | PMCR_DP_BIT) - stcopr r0, PMCR - ldr r0, [r2, #SMC_CTX_GPREG_R0] /* smc_fid */ /* Check whether an SMC64 is issued */ tst r0, #(FUNCID_CC_MASK << FUNCID_CC_SHIFT) @@ -236,15 +227,6 @@ func sp_min_handle_fiq stcopr r0, SCR isb - /* - * Set PMCR.DP to 1 to prohibit cycle counting whilst in Secure Mode. - * Also, the PMCR.LC field has an architecturally UNKNOWN value on reset - * and so set to 1 as ARM has deprecated use of PMCR.LC=0. - */ - ldcopr r0, PMCR - orr r0, r0, #(PMCR_LC_BIT | PMCR_DP_BIT) - stcopr r0, PMCR - push {r2, r3} bl sp_min_fiq pop {r0, r3} |