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powerpc/io: Make [out/in] le and be calls conditional

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- These calls clash with the Linux IO header in LibBSD. Making these
  conditional here means BSPs build and the imported Linux header is
  untouched.

Updates #4245
This commit is contained in:
Chris Johns
2021-02-15 12:01:57 -10:00
parent e9712e7890
commit cfef84a007
1 changed files with 8 additions and 0 deletions
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8
bsps/powerpc/include/libcpu/io.h
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@@ -107,6 +107,7 @@ static inline void out_be16(volatile uint16_t *addr, uint16_t val)
__asm__ __volatile__("sth%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
}
#ifndef in_le32
static inline uint32_t in_le32(const volatile uint32_t *addr)
{
uint32_t ret;
@@ -115,7 +116,9 @@ static inline uint32_t in_le32(const volatile uint32_t *addr)
"r" (addr), "m" (*addr));
return ret;
}
#endif
#ifndef in_be32
static inline uint32_t in_be32(const volatile uint32_t *addr)
{
uint32_t ret;
@@ -123,17 +126,22 @@ static inline uint32_t in_be32(const volatile uint32_t *addr)
__asm__ __volatile__("lwz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr));
return ret;
}
#endif
#ifndef out_le32
static inline void out_le32(volatile uint32_t *addr, uint32_t val)
{
__asm__ __volatile__("stwbrx %1,0,%2; eieio" : "=m" (*addr) :
"r" (val), "r" (addr));
}
#endif
#ifndef out_be32
static inline void out_be32(volatile uint32_t *addr, uint32_t val)
{
__asm__ __volatile__("stw%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
}
#endif
#endif /* ASM */
#endif /* _LIBCPU_IO_H */