diff --git a/include/lib/pmf/aarch32/pmf_asm_macros.S b/include/lib/pmf/aarch32/pmf_asm_macros.S
new file mode 100644
index 0000000..1dbb408
--- /dev/null
+++ b/include/lib/pmf/aarch32/pmf_asm_macros.S
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2019, Arm Limited. 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: r0 - r4
+	 */
+	.macro pmf_calc_timestamp_addr _name, _tid
+	mov	r4, lr
+	bl	plat_my_core_pos
+	mov	lr, r4
+	ldr	r1, =__PERCPU_TIMESTAMP_SIZE__
+	mov	r2, #(\_tid * PMF_TS_SIZE)
+	mla	r0, r0, r1, r2
+	ldr	r1, =pmf_ts_mem_\_name
+	add	r0, r0, r1
+	.endm
+
+#endif /* PMF_ASM_MACROS_S */
diff --git a/include/lib/pmf/pmf_asm_macros.S b/include/lib/pmf/aarch64/pmf_asm_macros.S
similarity index 100%
rename from include/lib/pmf/pmf_asm_macros.S
rename to include/lib/pmf/aarch64/pmf_asm_macros.S