This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / asm-arm / arch-at91rm9200 / entry-macro.S

diff --git a/include/asm-arm/arch-at91rm9200/entry-macro.S b/include/asm-arm/arch-at91rm9200/entry-macro.S
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+/*
+ * include/asm-arm/arch-at91rm9200/entry-macro.S
+ *
+ *  Copyright (C) 2003-2005 SAN People
+ *
+ * Low-level IRQ helper macros for AT91RM9200 platforms
+ *
+ * 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.h>
+
+       .macro  disable_fiq
+       .endm
+
+       .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+       ldr     \base, =(AT91_VA_BASE_SYS)              @ base virtual address of SYS peripherals
+       ldr     \irqnr, [\base, #AT91_AIC_IVR]          @ read IRQ vector register: de-asserts nIRQ to processor (and clears interrupt)
+       ldr     \irqstat, [\base, #AT91_AIC_ISR]        @ read interrupt source number
+       teq     \irqstat, #0                            @ ISR is 0 when no current interrupt, or spurious interrupt
+       streq   \tmp, [\base, #AT91_AIC_EOICR]          @ not going to be handled further, then ACK it now.
+       .endm
+