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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-integrator/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-integrator/include/mach/entry-macro.S')
-rw-r--r--arch/arm/mach-integrator/include/mach/entry-macro.S44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/mach-integrator/include/mach/entry-macro.S b/arch/arm/mach-integrator/include/mach/entry-macro.S
new file mode 100644
index 000000000000..7649c57acb53
--- /dev/null
+++ b/arch/arm/mach-integrator/include/mach/entry-macro.S
@@ -0,0 +1,44 @@
+/*
+ * arch/arm/mach-integrator/include/mach/entry-macro.S
+ *
+ * Low-level IRQ helper macros for Integrator 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 <mach/hardware.h>
+#include <mach/irqs.h>
+
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+/* FIXME: should not be using soo many LDRs here */
+ ldr \base, =IO_ADDRESS(INTEGRATOR_IC_BASE)
+ mov \irqnr, #IRQ_PIC_START
+ ldr \irqstat, [\base, #IRQ_STATUS] @ get masked status
+ ldr \base, =IO_ADDRESS(INTEGRATOR_HDR_BASE)
+ teq \irqstat, #0
+ ldreq \irqstat, [\base, #(INTEGRATOR_HDR_IC_OFFSET+IRQ_STATUS)]
+ moveq \irqnr, #IRQ_CIC_START
+
+1001: tst \irqstat, #15
+ bne 1002f
+ add \irqnr, \irqnr, #4
+ movs \irqstat, \irqstat, lsr #4
+ bne 1001b
+1002: tst \irqstat, #1
+ bne 1003f
+ add \irqnr, \irqnr, #1
+ movs \irqstat, \irqstat, lsr #1
+ bne 1002b
+1003: /* EQ will be set if no irqs pending */
+ .endm
+