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/*
* Macros for swapping a value if the endianness is different
* between the target and the host.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#ifndef TSWAP_H
#define TSWAP_H
#include "hw/core/cpu.h"
#include "qemu/bswap.h"
/*
* If we're in target-specific code, we can hard-code the swapping
* condition, otherwise we have to do (slower) run-time checks.
*/
#ifdef NEED_CPU_H
#define target_needs_bswap() (HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN)
#else
#define target_needs_bswap() (target_words_bigendian() != HOST_BIG_ENDIAN)
#endif
static inline uint16_t tswap16(uint16_t s)
{
if (target_needs_bswap()) {
return bswap16(s);
} else {
return s;
}
}
static inline uint32_t tswap32(uint32_t s)
{
if (target_needs_bswap()) {
return bswap32(s);
} else {
return s;
}
}
static inline uint64_t tswap64(uint64_t s)
{
if (target_needs_bswap()) {
return bswap64(s);
} else {
return s;
}
}
static inline void tswap16s(uint16_t *s)
{
if (target_needs_bswap()) {
*s = bswap16(*s);
}
}
static inline void tswap32s(uint32_t *s)
{
if (target_needs_bswap()) {
*s = bswap32(*s);
}
}
static inline void tswap64s(uint64_t *s)
{
if (target_needs_bswap()) {
*s = bswap64(*s);
}
}
#endif /* TSWAP_H */
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