From e89e8a1559693b91fd201d2a0368a8561c1473b7 Mon Sep 17 00:00:00 2001
From: Valery Ushakov <uwe@stderr.spb.ru>
Date: Tue, 29 Dec 2020 20:10:33 +0300
Subject: NetBSD/arm: initial support

This is more or less mechanical merge of existing NetBSD code and
ARM-specific bits from Linux/arm files.
---
 lib9/getcallerpc-NetBSD-arm.S |  1 +
 lib9/setfcr-NetBSD-arm.S      | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 lib9/getcallerpc-NetBSD-arm.S
 create mode 100644 lib9/setfcr-NetBSD-arm.S

(limited to 'lib9')

diff --git a/lib9/getcallerpc-NetBSD-arm.S b/lib9/getcallerpc-NetBSD-arm.S
new file mode 100644
index 00000000..2b2e74b1
--- /dev/null
+++ b/lib9/getcallerpc-NetBSD-arm.S
@@ -0,0 +1 @@
+/* getcallerpc for NetBSD/arm is placed in lib9.h as inline function*/
diff --git a/lib9/setfcr-NetBSD-arm.S b/lib9/setfcr-NetBSD-arm.S
new file mode 100644
index 00000000..61afd843
--- /dev/null
+++ b/lib9/setfcr-NetBSD-arm.S
@@ -0,0 +1,38 @@
+#include <machine/asm.h>
+
+#define	ENT
+#define	RET	bx lr
+
+#ifdef USEVFP
+	.fpu	vfp
+#define	VMSR(f,r)	vmsr	f,r
+#define	VMRS(r,f)	vmrs	r,f
+#else
+	.fpu	softvfp
+#define	VMSR(f,r)
+#define	VMRS(r,f)
+#endif
+
+ENTRY_NP(setfcr)
+	ENT
+	VMSR(fpscr, r0)
+	RET
+	END(setfcr)
+
+ENTRY_NP(getfcr)
+	ENT
+	VMRS(r0, fpscr)
+	RET
+	END(getfcr)
+
+ENTRY_NP(getfsr)
+	ENT
+	VMRS(r0, fpscr)
+	RET
+	END(getfsr)
+
+ENTRY_NP(setfsr)
+	ENT
+	VMSR(fpscr, r0)
+	RET
+	END(setfsr)
-- 
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