diff options
Diffstat (limited to 'plat/arm/css/common/aarch64/css_helpers.S')
| -rw-r--r-- | plat/arm/css/common/aarch64/css_helpers.S | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/plat/arm/css/common/aarch64/css_helpers.S b/plat/arm/css/common/aarch64/css_helpers.S index 0cf8f86bb..59d920650 100644 --- a/plat/arm/css/common/aarch64/css_helpers.S +++ b/plat/arm/css/common/aarch64/css_helpers.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -88,6 +88,23 @@ endfunc css_calc_core_pos_swap_cluster * cpu (applicable ony after a cold boot) * ----------------------------------------------------- */ +#if CSS_USE_SCMI_SDS_DRIVER +func plat_is_my_cpu_primary + mov x9, x30 + bl plat_my_core_pos + mov x4, x0 + bl sds_get_primary_cpu_id + /* Check for error */ + mov x1, #0xffffffff + cmp x0, x1 + b.eq 1f + cmp x0, x4 + cset w0, eq + ret x9 +1: + no_ret plat_panic_handler +endfunc plat_is_my_cpu_primary +#else func plat_is_my_cpu_primary mov x9, x30 bl plat_my_core_pos @@ -99,3 +116,4 @@ func plat_is_my_cpu_primary cset w0, eq ret x9 endfunc plat_is_my_cpu_primary +#endif |