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authorIngo Molnar <mingo@elte.hu>2009-06-17 13:06:17 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-17 13:06:17 +0200
commita3d06cc6aa3e765dc2bf98626f87272dcf641dca (patch)
treeaa3e49b58f08d6c0ea55cdca4fb5e6c8ba6ae333 /arch/arm/mach-u300/include/mach/entry-macro.S
parent0990b1c65729012a63e0eeca93aaaafea4e9a064 (diff)
parent65795efbd380a832ae508b04dba8f8e53f0b84d9 (diff)
Merge branch 'linus' into perfcounters/core
Conflicts: arch/x86/include/asm/kmap_types.h include/linux/mm.h include/asm-generic/kmap_types.h Merge reason: We crossed changes with kmap_types.h cleanups in mainline. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-u300/include/mach/entry-macro.S')
-rw-r--r--arch/arm/mach-u300/include/mach/entry-macro.S40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/mach-u300/include/mach/entry-macro.S b/arch/arm/mach-u300/include/mach/entry-macro.S
new file mode 100644
index 00000000000..20731ae39d3
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/entry-macro.S
@@ -0,0 +1,40 @@
+/*
+ *
+ * arch-arm/mach-u300/include/mach/entry-macro.S
+ *
+ *
+ * Copyright (C) 2006-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Low-level IRQ helper macros for ST-Ericsson U300
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#include <mach/hardware.h>
+#include <asm/hardware/vic.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
+ ldr \base, = U300_AHB_PER_VIRT_BASE-U300_AHB_PER_PHYS_BASE+U300_INTCON0_BASE
+ ldr \irqstat, [\base, #VIC_IRQ_STATUS] @ get masked status
+ mov \irqnr, #0
+ teq \irqstat, #0
+ bne 1002f
+1001: ldr \base, = U300_AHB_PER_VIRT_BASE-U300_AHB_PER_PHYS_BASE+U300_INTCON1_BASE
+ ldr \irqstat, [\base, #VIC_IRQ_STATUS] @ get masked status
+ mov \irqnr, #32
+ teq \irqstat, #0
+ beq 1003f
+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