mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-26 11:20:53 +07:00
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>
26 lines
769 B
ArmAsm
26 lines
769 B
ArmAsm
/*
|
|
* arch/arm/mach-orion5x/include/mach/entry-macro.S
|
|
*
|
|
* Low-level IRQ helper macros for Orion 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, =MAIN_IRQ_CAUSE
|
|
.endm
|
|
|
|
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
|
|
ldr \irqstat, [\base, #0] @ main cause
|
|
ldr \tmp, [\base, #(MAIN_IRQ_MASK - MAIN_IRQ_CAUSE)] @ main mask
|
|
mov \irqnr, #0 @ default irqnr
|
|
@ find cause bits that are unmasked
|
|
ands \irqstat, \irqstat, \tmp @ clear Z flag if any
|
|
clzne \irqnr, \irqstat @ calc irqnr
|
|
rsbne \irqnr, \irqnr, #31
|
|
.endm
|