From 1e7069152e5b98acf98d043c9ff94c406e94d935 Mon Sep 17 00:00:00 2001
From: Jaroslaw Pelczar <jarek@jpelczar.com>
Date: Tue, 3 Sep 2019 20:16:23 +0200
Subject: [PATCH] arm64: Add initial stubs for stackframe and time

Signed-off-by: Jaroslaw Pelczar <jarek@jpelczar.com>
Change-Id: Ie17279a9c17ab8bb7a812fe83d1b668853f96d5c
Reviewed-on: https://review.haiku-os.org/c/haiku/+/1858
Reviewed-by: Alex von Gluck IV <kallisti5@unixzen.com>
---
 src/system/libroot/os/arch/arm64/Jamfile      |  2 ++
 .../libroot/os/arch/arm64/get_stack_frame.S   | 11 +++++++++
 src/system/libroot/os/arch/arm64/time.c       | 23 +++++++++++++++++++
 3 files changed, 36 insertions(+)
 create mode 100644 src/system/libroot/os/arch/arm64/get_stack_frame.S
 create mode 100644 src/system/libroot/os/arch/arm64/time.c

diff --git a/src/system/libroot/os/arch/arm64/Jamfile b/src/system/libroot/os/arch/arm64/Jamfile
index 8bc063f71d..fe33fee20f 100644
--- a/src/system/libroot/os/arch/arm64/Jamfile
+++ b/src/system/libroot/os/arch/arm64/Jamfile
@@ -16,6 +16,8 @@ for architectureObject in [ MultiArchSubDirSetup arm64 ] {
 			tls.c
 			thread.c
 			system_time.c
+			time.c
+			get_stack_frame.S
 
 			generic_atomic.cpp
 			generic_stack_trace.cpp
diff --git a/src/system/libroot/os/arch/arm64/get_stack_frame.S b/src/system/libroot/os/arch/arm64/get_stack_frame.S
new file mode 100644
index 0000000000..14ec05d3ed
--- /dev/null
+++ b/src/system/libroot/os/arch/arm64/get_stack_frame.S
@@ -0,0 +1,11 @@
+/*
+ * Copyright 2019 Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#include <asm_defs.h>
+
+/* void* get_stack_frame(void) */
+FUNCTION(get_stack_frame):
+	mov		x0, fp
+	ret
+FUNCTION_END(get_stack_frame)
diff --git a/src/system/libroot/os/arch/arm64/time.c b/src/system/libroot/os/arch/arm64/time.c
new file mode 100644
index 0000000000..89ebc84db9
--- /dev/null
+++ b/src/system/libroot/os/arch/arm64/time.c
@@ -0,0 +1,23 @@
+/* 
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include <OS.h>
+
+#include <arch_cpu.h>
+#include <libroot_private.h>
+#include <real_time_data.h>
+
+
+void
+__arch_init_time(struct real_time_data *data, bool setDefaults)
+{
+}
+
+
+bigtime_t
+__arch_get_system_time_offset(struct real_time_data *data)
+{
+	return 0;
+}