linux/arch/arm/mach-vt8500/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

27 lines
687 B
ArmAsm

/*
* arch/arm/mach-vt8500/include/mach/entry-macro.S
*
* Low-level IRQ helper macros for VIA VT8500
*
* 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.
*/
.macro get_irqnr_preamble, base, tmp
@ physical 0xd8140000 is virtual 0xf8140000
mov \base, #0xf8000000
orr \base, \base, #0x00140000
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
ldr \irqnr, [\base]
cmp \irqnr, #63 @ may be false positive, check interrupt status
bne 1001f
ldr \irqstat, [\base, #0x84]
ands \irqstat, #0x80000000
moveq \irqnr, #0
1001:
.endm