From f98f9bccb85aed0a7fdf8244edbde979a7f333c0 Mon Sep 17 00:00:00 2001
From: David Karoly <karolyd577@gmail.com>
Date: Sat, 19 Feb 2022 10:30:30 +0100
Subject: [PATCH] libroot/arm: implement syscalls

Change-Id: Id9b37d29b802b7f469fb109054ec6446f93511b5
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4979
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
Reviewed-by: X512 <danger_mail@list.ru>
Reviewed-by: Fredrik Holmqvist <fredrik.holmqvist@gmail.com>
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
---
 src/system/libroot/os/arch/arm/syscalls.inc | 119 ++++++--------------
 1 file changed, 35 insertions(+), 84 deletions(-)

diff --git a/src/system/libroot/os/arch/arm/syscalls.inc b/src/system/libroot/os/arch/arm/syscalls.inc
index 1e691f2416..a700043c1b 100644
--- a/src/system/libroot/os/arch/arm/syscalls.inc
+++ b/src/system/libroot/os/arch/arm/syscalls.inc
@@ -1,88 +1,39 @@
 /*
-** Copyright 2001, Travis Geiselbrecht. All rights reserved.
-** Distributed under the terms of the NewOS License.
-*/
-#define SYSCALL0(name, n) \
-.globl name; \
-.type name,%function; \
-.align 4; \
-name:
+ * Copyright 2022 Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ *
+ * Copyright 2001, Travis Geiselbrecht. All rights reserved.
+ * Distributed under the terms of the NewOS License.
+ */
 
-#define SYSCALL1(name, n) \
-.globl name; \
-.type name,%function; \
-.align 4; \
-name:
+#include <asm_defs.h>
+#include <commpage_defs.h>
 
-#define SYSCALL2(name, n) \
-.globl name; \
-.type name,%function; \
-.align 4; \
-name:
-
-#define SYSCALL3(name, n) \
-.globl name; \
-.type name,%function; \
-.align 4; \
-name:
-
-#define SYSCALL4(name, n) \
-.globl name; \
-.type name,%function; \
-.align 4; \
-name:
-
-#define SYSCALL5(name, n) \
-.globl name; \
-.type name,%function; \
-.align 4; \
-name:
-
-#define SYSCALL6(name, n) \
-.globl name; \
-.type name,%function; \
-.align 4; \
-name:
-
-#define SYSCALL7(name, n) \
-.globl name; \
-.type name,%function; \
-.align 4; \
-name:
-
-#define SYSCALL8(name, n) \
-.globl name; \
-.type name,%function; \
-.align 4; \
-name:
-
-#define SYSCALL9(name, n) \
-.globl name; \
-.type name,%function; \
-.align 4; \
-name:
-
-#define SYSCALL10(name, n) \
-.globl name; \
-.type name,%function; \
-.align 4; \
-name:
-
-#define SYSCALL11(name, n) \
-.globl name; \
-.type name,%function; \
-.align 4; \
-name:
-
-#define SYSCALL12(name, n) \
-.globl name; \
-.type name,%function; \
-.align 4; \
-name:
-
-#define SYSCALL13(name, n) \
-.globl name; \
-.type name,%function; \
-.align 4; \
-name:
+#define _SYSCALL(name, n)									\
+	.align 8;												\
+	FUNCTION(name):											\
+		svc		n;											\
+		bx		lr;											\
+	FUNCTION_END(name)
 
+#define SYSCALL0(name, n) _SYSCALL(name, n)
+#define SYSCALL1(name, n) _SYSCALL(name, n)
+#define SYSCALL2(name, n) _SYSCALL(name, n)
+#define SYSCALL3(name, n) _SYSCALL(name, n)
+#define SYSCALL4(name, n) _SYSCALL(name, n)
+#define SYSCALL5(name, n) _SYSCALL(name, n)
+#define SYSCALL6(name, n) _SYSCALL(name, n)
+#define SYSCALL7(name, n) _SYSCALL(name, n)
+#define SYSCALL8(name, n) _SYSCALL(name, n)
+#define SYSCALL9(name, n) _SYSCALL(name, n)
+#define SYSCALL10(name, n) _SYSCALL(name, n)
+#define SYSCALL11(name, n) _SYSCALL(name, n)
+#define SYSCALL12(name, n) _SYSCALL(name, n)
+#define SYSCALL13(name, n) _SYSCALL(name, n)
+#define SYSCALL14(name, n) _SYSCALL(name, n)
+#define SYSCALL15(name, n) _SYSCALL(name, n)
+#define SYSCALL16(name, n) _SYSCALL(name, n)
+#define SYSCALL17(name, n) _SYSCALL(name, n)
+#define SYSCALL18(name, n) _SYSCALL(name, n)
+#define SYSCALL19(name, n) _SYSCALL(name, n)
+#define SYSCALL20(name, n) _SYSCALL(name, n)