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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-05 16:14:15 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 09:55:48 +0100
commita09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch)
tree69689f467179891b498bd7423fcf61925173db31 /arch/arm/mach-iop13xx/include/mach/entry-macro.S
parenta1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff)
[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/mach-iop13xx/include/mach/entry-macro.S')
-rw-r--r--arch/arm/mach-iop13xx/include/mach/entry-macro.S45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/mach-iop13xx/include/mach/entry-macro.S b/arch/arm/mach-iop13xx/include/mach/entry-macro.S
new file mode 100644
index 00000000000..a624a7870c6
--- /dev/null
+++ b/arch/arm/mach-iop13xx/include/mach/entry-macro.S
@@ -0,0 +1,45 @@
+/*
+ * iop13xx low level irq macros
+ * Copyright (c) 2005-2006, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ */
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ mrc p15, 0, \tmp, c15, c1, 0
+ orr \tmp, \tmp, #(1 << 6)
+ mcr p15, 0, \tmp, c15, c1, 0 @ Enable cp6 access
+ .endm
+
+ /*
+ * Note: a 1-cycle window exists where iintvec will return the value
+ * of iintbase, so we explicitly check for "bad zeros"
+ */
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ mrc p6, 0, \irqnr, c3, c2, 0 @ Read IINTVEC
+ cmp \irqnr, #0
+ mrceq p6, 0, \irqnr, c3, c2, 0 @ Re-read on potentially bad zero
+ adds \irqstat, \irqnr, #1 @ Check for 0xffffffff
+ movne \irqnr, \irqnr, lsr #2 @ Convert to irqnr
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ mrc p15, 0, \tmp1, c15, c1, 0
+ ands \tmp2, \tmp1, #(1 << 6)
+ bicne \tmp1, \tmp1, #(1 << 6)
+ mcrne p15, 0, \tmp1, c15, c1, 0 @ Disable cp6 access
+ .endm