mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-17 09:14:19 +08:00
2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
27 lines
624 B
C
27 lines
624 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
#ifndef _PPC_BOOT_REG_H
|
|
#define _PPC_BOOT_REG_H
|
|
/*
|
|
* Copyright 2007 Davud Gibson, IBM Corporation.
|
|
*/
|
|
|
|
static inline u32 mfpvr(void)
|
|
{
|
|
u32 pvr;
|
|
asm volatile ("mfpvr %0" : "=r"(pvr));
|
|
return pvr;
|
|
}
|
|
|
|
#define __stringify_1(x) #x
|
|
#define __stringify(x) __stringify_1(x)
|
|
|
|
#define mfspr(rn) ({unsigned long rval; \
|
|
asm volatile("mfspr %0," __stringify(rn) \
|
|
: "=r" (rval)); rval; })
|
|
#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
|
|
|
|
register void *__stack_pointer asm("r1");
|
|
#define get_sp() (__stack_pointer)
|
|
|
|
#endif /* _PPC_BOOT_REG_H */
|