mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 21:55:36 +07:00
5933f6d220
Update license to use SPDX-License-Identifier instead of verbose license text. Link: http://lkml.kernel.org/r/8736rccswn.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Cc: Rich Felker <dalias@libc.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
49 lines
951 B
C
49 lines
951 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* SHmedia irqflags support
|
|
*
|
|
* Copyright (C) 2006 - 2009 Paul Mundt
|
|
*/
|
|
#include <linux/irqflags.h>
|
|
#include <linux/module.h>
|
|
#include <cpu/registers.h>
|
|
|
|
void notrace arch_local_irq_restore(unsigned long flags)
|
|
{
|
|
unsigned long long __dummy;
|
|
|
|
if (flags == ARCH_IRQ_DISABLED) {
|
|
__asm__ __volatile__ (
|
|
"getcon " __SR ", %0\n\t"
|
|
"or %0, %1, %0\n\t"
|
|
"putcon %0, " __SR "\n\t"
|
|
: "=&r" (__dummy)
|
|
: "r" (ARCH_IRQ_DISABLED)
|
|
);
|
|
} else {
|
|
__asm__ __volatile__ (
|
|
"getcon " __SR ", %0\n\t"
|
|
"and %0, %1, %0\n\t"
|
|
"putcon %0, " __SR "\n\t"
|
|
: "=&r" (__dummy)
|
|
: "r" (~ARCH_IRQ_DISABLED)
|
|
);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(arch_local_irq_restore);
|
|
|
|
unsigned long notrace arch_local_save_flags(void)
|
|
{
|
|
unsigned long flags;
|
|
|
|
__asm__ __volatile__ (
|
|
"getcon " __SR ", %0\n\t"
|
|
"and %0, %1, %0"
|
|
: "=&r" (flags)
|
|
: "r" (ARCH_IRQ_DISABLED)
|
|
);
|
|
|
|
return flags;
|
|
}
|
|
EXPORT_SYMBOL(arch_local_save_flags);
|