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/* $OpenBSD: cpufunc.h,v 1.7 2020/07/10 23:22:48 gkoehler Exp $ */
/*
* Copyright (c) 2020 Mark Kettenis <kettenis@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _MACHINE_CPUFUNC_H_
#define _MACHINE_CPUFUNC_H_
static inline void
eieio(void)
{
__asm volatile ("eieio" ::: "memory");
}
static inline void
isync(void)
{
__asm volatile ("isync" ::: "memory");
}
static inline void
ptesync(void)
{
__asm volatile ("ptesync" ::: "memory");
}
static inline void
sync(void)
{
__asm volatile ("sync" ::: "memory");
}
static inline void
slbia(void)
{
__asm volatile ("slbia");
}
static inline void
slbie(uint64_t esid)
{
__asm volatile ("slbie %0" :: "r"(esid));
}
static inline uint64_t
slbmfee(uint64_t entry)
{
uint64_t value;
__asm volatile ("slbmfee %0, %1" : "=r"(value) : "r"(entry));
return value;
}
static inline void
slbmte(uint64_t slbv, uint64_t slbe)
{
__asm volatile ("slbmte %0, %1" :: "r"(slbv), "r"(slbe));
}
static inline void
tlbie(uint64_t ava)
{
__asm volatile ("tlbie %0, %1" :: "r"(ava), "r"(0));
}
static inline void
tlbiel(uint64_t ava)
{
__asm volatile ("tlbiel %0" :: "r"(ava));
}
static inline void
tlbsync(void)
{
__asm volatile ("tlbsync" ::: "memory");
}
static inline uint64_t
mfmsr(void)
{
uint64_t value;
__asm volatile ("mfmsr %0" : "=r"(value));
return value;
}
static inline void
mtmsr(uint64_t value)
{
__asm volatile ("mtmsr %0" :: "r"(value));
}
static inline uint64_t
mftb(void)
{
uint64_t value;
__asm volatile ("mftb %0" : "=r"(value));
return value;
}
static inline uint32_t
mfdsisr(void)
{
uint32_t value;
__asm volatile ("mfdsisr %0" : "=r"(value));
return value;
}
static inline uint64_t
mfdar(void)
{
uint64_t value;
__asm volatile ("mfdar %0" : "=r"(value));
return value;
}
static inline void
mtdec(uint32_t value)
{
__asm volatile ("mtdec %0" :: "r"(value));
}
static inline uint32_t
mfpvr(void)
{
uint32_t value;
__asm volatile ("mfspr %0, 287" : "=r"(value));
return value;
}
static inline uint64_t
mflpcr(void)
{
uint64_t value;
__asm volatile ("mfspr %0, 318" : "=r"(value));
return value;
}
static inline void
mtlpcr(uint64_t value)
{
__asm volatile ("mtspr 318, %0" :: "r"(value));
}
static inline void
mtptcr(uint64_t value)
{
__asm volatile ("mtspr 464, %0" :: "r"(value));
}
static inline uint64_t
mfpmsr(void)
{
uint64_t value;
__asm volatile ("mfspr %0, 853" : "=r"(value));
return value;
}
static inline void
mtpmcr(uint64_t value)
{
__asm volatile ("mtspr 884, %0" :: "r"(value));
}
static inline uint32_t
mfpir(void)
{
uint32_t value;
__asm volatile ("mfspr %0, 1023" : "=r"(value));
return value;
}
extern int cacheline_size;
void __syncicache(void *, size_t);
#endif /* _MACHINE_CPUFUNC_H_ */
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