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authorTakashi Iwai <tiwai@suse.de>2010-08-18 15:17:30 +0200
committerTakashi Iwai <tiwai@suse.de>2010-08-18 15:17:30 +0200
commit6ab561c8aab2e4af535f09adbc6253f958536848 (patch)
tree37846adb4ea106485720d113e252d71d615c23ed /arch/arm/mach-lpc32xx/include/mach/entry-macro.S
parent4f4e8f69895c8696a4bcc751817d4b186023ac44 (diff)
parentcbaa9f60d5d5c3af10f94e0d49789d5b82341a4a (diff)
Merge branch 'topic/isa' into topic/misc
Diffstat (limited to 'arch/arm/mach-lpc32xx/include/mach/entry-macro.S')
-rw-r--r--arch/arm/mach-lpc32xx/include/mach/entry-macro.S47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-lpc32xx/include/mach/entry-macro.S b/arch/arm/mach-lpc32xx/include/mach/entry-macro.S
new file mode 100644
index 00000000000..870227c9660
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+++ b/arch/arm/mach-lpc32xx/include/mach/entry-macro.S
@@ -0,0 +1,47 @@
+/*
+ * arch/arm/mach-lpc32xx/include/mach/entry-macro.S
+ *
+ * Author: Kevin Wells <kevin.wells@nxp.com>
+ *
+ * Copyright (C) 2010 NXP Semiconductors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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.
+ */
+
+#include <mach/hardware.h>
+#include <mach/platform.h>
+
+#define LPC32XX_INTC_MASKED_STATUS_OFS 0x8
+
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ ldr \base, =IO_ADDRESS(LPC32XX_MIC_BASE)
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
+/*
+ * Return IRQ number in irqnr. Also return processor Z flag status in CPSR
+ * as set if an interrupt is pending.
+ */
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ ldr \irqstat, [\base, #LPC32XX_INTC_MASKED_STATUS_OFS]
+ clz \irqnr, \irqstat
+ rsb \irqnr, \irqnr, #31
+ teq \irqstat, #0
+ .endm
+
+ .macro irq_prio_table
+ .endm
+