diff options
Diffstat (limited to 'arch/powerpc/include/asm/reg_fsl_emb.h')
| -rw-r--r-- | arch/powerpc/include/asm/reg_fsl_emb.h | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/arch/powerpc/include/asm/reg_fsl_emb.h b/arch/powerpc/include/asm/reg_fsl_emb.h index 0e3ddf5177f6..ec459c3d9498 100644 --- a/arch/powerpc/include/asm/reg_fsl_emb.h +++ b/arch/powerpc/include/asm/reg_fsl_emb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Contains register definitions for the Freescale Embedded Performance * Monitor. @@ -6,13 +7,32 @@ #ifndef __ASM_POWERPC_REG_FSL_EMB_H__ #define __ASM_POWERPC_REG_FSL_EMB_H__ -#ifndef __ASSEMBLY__ +#include <linux/stringify.h> + +#ifndef __ASSEMBLER__ /* Performance Monitor Registers */ -#define mfpmr(rn) ({unsigned int rval; \ - asm volatile("mfpmr %0," __stringify(rn) \ - : "=r" (rval)); rval;}) -#define mtpmr(rn, v) asm volatile("mtpmr " __stringify(rn) ",%0" : : "r" (v)) -#endif /* __ASSEMBLY__ */ +static __always_inline unsigned int mfpmr(unsigned int rn) +{ + unsigned int rval; + + asm (".machine push; " + ".machine e300; " + "mfpmr %[rval], %[rn];" + ".machine pop;" + : [rval] "=r" (rval) : [rn] "i" (rn)); + + return rval; +} + +static __always_inline void mtpmr(unsigned int rn, unsigned int val) +{ + asm (".machine push; " + ".machine e300; " + "mtpmr %[rn], %[val];" + ".machine pop;" + : [val] "=r" (val) : [rn] "i" (rn)); +} +#endif /* __ASSEMBLER__ */ /* Freescale Book E Performance Monitor APU Registers */ #define PMRN_PMC0 0x010 /* Performance Monitor Counter 0 */ |