From: Ben Dooks <ben-linux@fluff.org>
Date: Tue, 21 Oct 2008 13:06:41 +0000 (+0100)
Subject: [ARM] S3C64XX: Add <mach/entry-macro.S>
X-Git-Tag: firefly_0821_release~16459^2~9^2~9^2~36
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a5209797450a7c95a9b546d83dae163833f16437;p=firefly-linux-kernel-4.4.55.git

[ARM] S3C64XX: Add <mach/entry-macro.S>

Add the include for the interrupt entry macros needed
to be included by <mach/entry-macro.S> for the kernel
interrupt handler.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---

diff --git a/arch/arm/mach-s3c6400/include/mach/entry-macro.S b/arch/arm/mach-s3c6400/include/mach/entry-macro.S
new file mode 100644
index 000000000000..fbd90d2cf355
--- /dev/null
+++ b/arch/arm/mach-s3c6400/include/mach/entry-macro.S
@@ -0,0 +1,44 @@
+/* arch/arm/mach-s3c6400/include/mach/entry-macro.S
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *	http://armlinux.simtec.co.uk/
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * Low-level IRQ helper macros for the Samsung S3C64XX series
+ *
+ * This file is licensed under  the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+*/
+
+#include <asm/hardware/vic.h>
+#include <mach/map.h>
+#include <plat/irqs.h>
+
+	.macro	disable_fiq
+	.endm
+
+	.macro	get_irqnr_preamble, base, tmp
+	ldr	\base, =S3C_VA_VIC0
+	.endm
+
+	.macro	arch_ret_to_user, tmp1, tmp2
+	.endm
+
+	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+
+	@ check the vic0
+	mov	\irqnr, # S3C_IRQ_OFFSET + 31
+	ldr	\irqstat, [ \base, # VIC_IRQ_STATUS ]
+	teq	\irqstat, #0
+
+	@ otherwise try vic1
+	addeq	\tmp, \base, #(S3C_VA_VIC1 - S3C_VA_VIC0)
+	addeq	\irqnr, \irqnr, #32
+	ldreq	\irqstat, [ \tmp, # VIC_IRQ_STATUS ]
+	teqeq	\irqstat, #0
+
+	clzne	\irqstat, \irqstat
+	subne	\irqnr, \irqnr, \irqstat
+	.endm