mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
26 lines
624 B
26 lines
624 B
/* 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 */
|
|
|