diff options
Diffstat (limited to 'include/lib/pmf/aarch64')
| -rw-r--r-- | include/lib/pmf/aarch64/pmf_asm_macros.S | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/lib/pmf/aarch64/pmf_asm_macros.S b/include/lib/pmf/aarch64/pmf_asm_macros.S new file mode 100644 index 0000000..5f3e6b7 --- /dev/null +++ b/include/lib/pmf/aarch64/pmf_asm_macros.S @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef PMF_ASM_MACROS_S +#define PMF_ASM_MACROS_S + +#define PMF_TS_SIZE 8 + + /* + * This macro calculates the address of the per-cpu timestamp + * for the given service name and local timestamp id. + * Clobbers: x0 - x9 + */ + .macro pmf_calc_timestamp_addr _name, _tid + mov x9, x30 + bl plat_my_core_pos + mov x30, x9 + adr x2, __PMF_PERCPU_TIMESTAMP_END__ + adr x1, __PMF_TIMESTAMP_START__ + sub x1, x2, x1 + mov x2, #(\_tid * PMF_TS_SIZE) + madd x0, x0, x1, x2 + adr x1, pmf_ts_mem_\_name + add x0, x0, x1 + .endm + +#endif /* PMF_ASM_MACROS_S */ |