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authorBen Dooks <ben-linux@fluff.org>2008-10-21 14:06:41 +0100
committerBen Dooks <ben-linux@fluff.org>2008-12-15 21:47:29 +0000
commita5209797450a7c95a9b546d83dae163833f16437 (patch)
treed012521167bcaee082aaf3ffd07d8239095ef473 /arch/arm/mach-s3c6400/include
parentd521f87e9c642dbc820cb839039e25a05cb02151 (diff)
[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>
Diffstat (limited to 'arch/arm/mach-s3c6400/include')
-rw-r--r--arch/arm/mach-s3c6400/include/mach/entry-macro.S44
1 files changed, 44 insertions, 0 deletions
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 00000000000..fbd90d2cf35
--- /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