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powerpc/fsl: Modernise mt/mfpmr

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With the addition of the machine directives, these are no longer simple
1-2 liner macros. So modernise them to be static inlines and use named
asm parameters.

Acked-by: Segher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240229122521.762431-4-mpe@ellerman.id.au
This commit is contained in:
Michael Ellerman 2024-02-29 23:25:20 +11:00
parent 5f491356b7
commit f01dbd73cc
1 changed files with 21 additions and 11 deletions
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32
arch/powerpc/include/asm/reg_fsl_emb.h
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@ -11,17 +11,27 @@
#ifndef __ASSEMBLY__ #ifndef __ASSEMBLY__
/* Performance Monitor Registers */ /* Performance Monitor Registers */
#define mfpmr(rn) ({unsigned int rval; \ static inline unsigned int mfpmr(unsigned int rn)
asm volatile(".machine push; " \ {
".machine e300; " \ unsigned int rval;
"mfpmr %0," __stringify(rn) ";" \
".machine pop; " \ asm (".machine push; "
: "=r" (rval)); rval;}) ".machine e300; "
#define mtpmr(rn, v) asm volatile(".machine push; " \ "mfpmr %[rval], %[rn];"
".machine e300; " \ ".machine pop;"
"mtpmr " __stringify(rn) ",%0; " \ : [rval] "=r" (rval) : [rn] "i" (rn));
".machine pop; " \
: : "r" (v)) return rval;
}
static 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 /* __ASSEMBLY__ */ #endif /* __ASSEMBLY__ */
/* Freescale Book E Performance Monitor APU Registers */ /* Freescale Book E Performance Monitor APU Registers */