mirror of
https://github.com/torvalds/linux.git
synced 2024-11-02 02:01:29 +00:00
230f984662
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>
34 lines
943 B
ArmAsm
34 lines
943 B
ArmAsm
/*
|
|
* arch/arm/mach-iop32x/include/mach/entry-macro.S
|
|
*
|
|
* Low-level IRQ helper macros for IOP32x-based 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/iop32x.h>
|
|
|
|
.macro get_irqnr_preamble, base, tmp
|
|
mrc p15, 0, \tmp, c15, c1, 0
|
|
orr \tmp, \tmp, #(1 << 6)
|
|
mcr p15, 0, \tmp, c15, c1, 0 @ Enable cp6 access
|
|
mrc p15, 0, \tmp, c15, c1, 0
|
|
mov \tmp, \tmp
|
|
sub pc, pc, #4 @ cp_wait
|
|
.endm
|
|
|
|
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
|
|
mrc p6, 0, \irqstat, c8, c0, 0 @ Read IINTSRC
|
|
cmp \irqstat, #0
|
|
clzne \irqnr, \irqstat
|
|
rsbne \irqnr, \irqnr, #31
|
|
.endm
|
|
|
|
.macro arch_ret_to_user, tmp1, tmp2
|
|
mrc p15, 0, \tmp1, c15, c1, 0
|
|
ands \tmp2, \tmp1, #(1 << 6)
|
|
bicne \tmp1, \tmp1, #(1 << 6)
|
|
mcrne p15, 0, \tmp1, c15, c1, 0 @ Disable cp6 access
|
|
.endm
|