[ARM] S3C64XX: Add <mach/entry-macro.S>
authorBen Dooks <ben-linux@fluff.org>
Tue, 21 Oct 2008 13:06:41 +0000 (14:06 +0100)
committerBen Dooks <ben-linux@fluff.org>
Mon, 15 Dec 2008 21:47:29 +0000 (21:47 +0000)
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>
arch/arm/mach-s3c6400/include/mach/entry-macro.S [new file with mode: 0644]

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 (file)
index 0000000..fbd90d2
--- /dev/null
@@ -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