linux/arch/arm/mach-mv78xx0/include/mach/entry-macro.S
Rob Herring 230f984662 ARM: remove disable_fiq and arch_ret_to_user macros
Now that most platforms don't need disable_fiq and arch_ret_to_user
macros, we can remove the empty macros or empty entry-macro.S files.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Ryan Mallon <rmallon@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
2012-02-21 17:05:18 -06:00

42 lines
1.1 KiB
ArmAsm

/*
* arch/arm/mach-mv78xx0/include/mach/entry-macro.S
*
* Low-level IRQ helper macros for Marvell MV78xx0 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/bridge-regs.h>
.macro get_irqnr_preamble, base, tmp
ldr \base, =IRQ_VIRT_BASE
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
@ check low interrupts
ldr \irqstat, [\base, #IRQ_CAUSE_LOW_OFF]
ldr \tmp, [\base, #IRQ_MASK_LOW_OFF]
mov \irqnr, #31
ands \irqstat, \irqstat, \tmp
bne 1001f
@ if no low interrupts set, check high interrupts
ldr \irqstat, [\base, #IRQ_CAUSE_HIGH_OFF]
ldr \tmp, [\base, #IRQ_MASK_HIGH_OFF]
mov \irqnr, #63
ands \irqstat, \irqstat, \tmp
bne 1001f
@ if no high interrupts set, check error interrupts
ldr \irqstat, [\base, #IRQ_CAUSE_ERR_OFF]
ldr \tmp, [\base, #IRQ_MASK_ERR_OFF]
mov \irqnr, #95
ands \irqstat, \irqstat, \tmp
@ find first active interrupt source
1001: clzne \irqstat, \irqstat
subne \irqnr, \irqnr, \irqstat
.endm