summaryrefslogtreecommitdiffstats
path: root/include/lib/pmf/aarch64
diff options
context:
space:
mode:
Diffstat (limited to 'include/lib/pmf/aarch64')
-rw-r--r--include/lib/pmf/aarch64/pmf_asm_macros.S30
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 */