summaryrefslogtreecommitdiff
path: root/arch/arm/plat-mxc/include/mach/entry-macro.S
diff options
context:
space:
mode:
authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-05 19:14:15 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 12:55:48 +0400
commita09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch)
tree69689f467179891b498bd7423fcf61925173db31 /arch/arm/plat-mxc/include/mach/entry-macro.S
parenta1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff)
downloadlinux-a09e64fbc0094e3073dbb09c3b4bfe4ab669244b.tar.xz
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/entry-macro.S')
-rw-r--r--arch/arm/plat-mxc/include/mach/entry-macro.S39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/entry-macro.S b/arch/arm/plat-mxc/include/mach/entry-macro.S
new file mode 100644
index 000000000000..b542433afb1b
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/entry-macro.S
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2007 Lennert Buytenhek <buytenh@wantstofly.org>
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+ @ this macro disables fast irq (not implemented)
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
+ @ this macro checks which interrupt occured
+ @ and returns its number in irqnr
+ @ and returns if an interrupt occured in irqstat
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ ldr \base, =AVIC_IO_ADDRESS(AVIC_BASE_ADDR)
+ @ Load offset & priority of the highest priority
+ @ interrupt pending from AVIC_NIVECSR
+ ldr \irqstat, [\base, #0x40]
+ @ Shift to get the decoded IRQ number, using ASR so
+ @ 'no interrupt pending' becomes 0xffffffff
+ mov \irqnr, \irqstat, asr #16
+ @ set zero flag if IRQ + 1 == 0
+ adds \tmp, \irqnr, #1
+ .endm
+
+ @ irq priority table (not used)
+ .macro irq_prio_table
+ .endm