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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>
This commit is contained in:
Russell King 2010-12-05 08:51:38 +00:00
parent bef8f9ee32
commit 7627dc802a
7 changed files with 10 additions and 16 deletions
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7
arch/arm/include/asm/hardware/entry-macro-gic.S
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@ -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:

5
arch/arm/mach-cns3xxx/include/mach/entry-macro.S
View File

@ -14,10 +14,5 @@
.macro disable_fiq
.endm
.macro get_irqnr_preamble, base, tmp
ldr \base, =gic_cpu_base_addr
ldr \base, [\base]
.endm
.macro arch_ret_to_user, tmp1, tmp2
.endm

1
arch/arm/mach-omap2/include/mach/entry-macro.S
View File

@ -170,6 +170,7 @@ omap_irq_base: .word 0
#ifdef CONFIG_ARCH_OMAP4
#define HAVE_GET_IRQNR_PREAMBLE
#include <asm/hardware/entry-macro-gic.S>
.macro get_irqnr_preamble, base, tmp

5
arch/arm/mach-realview/include/mach/entry-macro.S
View File

@ -13,11 +13,6 @@
.macro disable_fiq
.endm
.macro get_irqnr_preamble, base, tmp
ldr \base, =gic_cpu_base_addr
ldr \base, [\base]
.endm
.macro arch_ret_to_user, tmp1, tmp2
.endm

2
arch/arm/mach-tegra/include/mach/entry-macro.S
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@ -16,7 +16,7 @@
#include <mach/io.h>
#if defined(CONFIG_ARM_GIC)
#define HAVE_GET_IRQNR_PREAMBLE
#include <asm/hardware/entry-macro-gic.S>
/* Uses the GIC interrupt controller built into the cpu */

1
arch/arm/mach-ux500/include/mach/entry-macro.S
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@ -11,6 +11,7 @@
* warranty of any kind, whether express or implied.
*/
#include <mach/hardware.h>
#define HAVE_GET_IRQNR_PREAMBLE
#include <asm/hardware/entry-macro-gic.S>
.macro disable_fiq

5
arch/arm/mach-vexpress/include/mach/entry-macro.S
View File

@ -3,10 +3,5 @@
.macro disable_fiq
.endm
.macro get_irqnr_preamble, base, tmp
ldr \base, =gic_cpu_base_addr
ldr \base, [\base]
.endm
.macro arch_ret_to_user, tmp1, tmp2
.endm