diff options
| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/arch/openrisc/include/asm/system.h | |
| download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip | |
Diffstat (limited to 'roms/u-boot/arch/openrisc/include/asm/system.h')
| -rw-r--r-- | roms/u-boot/arch/openrisc/include/asm/system.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/roms/u-boot/arch/openrisc/include/asm/system.h b/roms/u-boot/arch/openrisc/include/asm/system.h new file mode 100644 index 00000000..7adfd880 --- /dev/null +++ b/roms/u-boot/arch/openrisc/include/asm/system.h @@ -0,0 +1,26 @@ +/* + * (C) Copyright 2011, Julius Baxter <julius@opencores.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_OPENRISC_SYSTEM_H +#define __ASM_OPENRISC_SYSTEM_H + +#include <asm/spr-defs.h> + +static inline unsigned long mfspr(unsigned long add) +{ + unsigned long ret; + + __asm__ __volatile__ ("l.mfspr %0,r0,%1" : "=r" (ret) : "K" (add)); + + return ret; +} + +static inline void mtspr(unsigned long add, unsigned long val) +{ + __asm__ __volatile__ ("l.mtspr r0,%1,%0" : : "K" (add), "r" (val)); +} + +#endif /* __ASM_OPENRISC_SYSTEM_H */ |