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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-12-05 08:51:38 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-12-14 19:21:47 +0000
commit7627dc802a98aebebc6a34e5b6558ea4717c968c (patch)
treef1308e351f6f003a52b5939b7eece82f14a12c62 /arch/arm/include/asm/hardware
parentbef8f9ee32511a28f1c9a7d3b8c51cdac030b564 (diff)
downloadtalos-op-linux-7627dc802a98aebebc6a34e5b6558ea4717c968c.tar.gz
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ARM: GIC: private a standard get_irqnr_preamble assembler macro
Provide a standard get_irqnr_preamble assembler macro for platforms to use, which retrieves the base address of the GIC CPU interface from gic_cpu_base_addr. Allow platforms to override this by defining HAVE_GET_IRQNR_PREAMBLE. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/hardware')
-rw-r--r--arch/arm/include/asm/hardware/entry-macro-gic.S7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/include/asm/hardware/entry-macro-gic.S b/arch/arm/include/asm/hardware/entry-macro-gic.S
index 05587f125a13..c115b82fe80a 100644
--- a/arch/arm/include/asm/hardware/entry-macro-gic.S
+++ b/arch/arm/include/asm/hardware/entry-macro-gic.S
@@ -10,6 +10,13 @@
#include <asm/hardware/gic.h>
+#ifndef HAVE_GET_IRQNR_PREAMBLE
+ .macro get_irqnr_preamble, base, tmp
+ ldr \base, =gic_cpu_base_addr
+ ldr \base, [\base]
+ .endm
+#endif
+
/*
* The interrupt numbering scheme is defined in the
* interrupt controller spec. To wit:
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