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Force inline read methods, tread big endian the same way.

This commit is contained in:
Christian Speckner 2024-08-12 21:37:28 +02:00
parent 691543a319
commit e672bb1f98
1 changed files with 32 additions and 28 deletions
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60
src/emucore/CortexM0.cxx
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@ -24,45 +24,49 @@
#include "Base.hxx"
#ifdef __BIG_ENDIAN__
#define READ32(data, addr) ( \
(((uInt8*)(data))[(addr)]) | \
(((uInt8*)(data))[(addr) + 1] << 8) | \
(((uInt8*)(data))[(addr) + 2] << 16) | \
(((uInt8*)(data))[(addr) + 3] << 24) \
)
#define READ16(data, addr) ( \
(((uInt8*)(data))[(addr)]) | \
(((uInt8*)(data))[(addr) + 1] << 8) \
)
#define WRITE32(data, addr, value) \
((uInt8*)(data))[(addr)] = (value); \
((uInt8*)(data))[(addr) + 1] = (value) >> 8; \
((uInt8*)(data))[(addr) + 2] = (value) >> 16; \
((uInt8*)(data))[(addr) + 3] = (value) >> 24;
#define WRITE16(data, addr, value) \
((uInt8*)(data))[(addr)] = value; \
((uInt8*)(data))[(addr) + 1] = (value) >> 8;
#else
namespace {
inline uInt32 READ32(const uInt8* data, uInt32 addr) {
#ifdef __BIG_ENDIAN__
FORCE_INLINE uInt32 READ32(const uInt8* data, uInt32 addr) {
return
(((uInt8*)(data))[(addr)]) |
(((uInt8*)(data))[(addr) + 1] << 8) |
(((uInt8*)(data))[(addr) + 2] << 16) |
(((uInt8*)(data))[(addr) + 3] << 24);
}
FORCE_INLINE uInt16 READ16(const uInt8* data, uInt32 addr) {
return (((uInt8*)(data))[(addr)]) | (((uInt8*)(data))[(addr) + 1] << 8);
}
FORCE_INLINE void WRITE32(uInt8* data, uInt32 addr, uInt32 value) {
((uInt8*)(data))[(addr)] = (value);
((uInt8*)(data))[(addr) + 1] = (value) >> 8;
((uInt8*)(data))[(addr) + 2] = (value) >> 16;
((uInt8*)(data))[(addr) + 3] = (value) >> 24;
}
FORCE_INLINE void WRITE16(uInt8* data, uInt32 addr, uInt16 value) {
((uInt8*)(data))[(addr)] = value;
((uInt8*)(data))[(addr) + 1] = (value) >> 8;
}
#else
FORCE_INLINE uInt32 READ32(const uInt8* data, uInt32 addr) {
return (reinterpret_cast<const uInt32*>(data))[addr >> 2];
}
inline uInt16 READ16(const uInt8* data, uInt32 addr) {
FORCE_INLINE uInt16 READ16(const uInt8* data, uInt32 addr) {
return (reinterpret_cast<const uInt16*>(data))[addr >> 1];
}
inline void WRITE32(uInt8* data, uInt32 addr, uInt32 value) {
FORCE_INLINE void WRITE32(uInt8* data, uInt32 addr, uInt32 value) {
(reinterpret_cast<uInt32*>(data))[addr >> 2] = value;
}
inline void WRITE16(uInt8* data, uInt32 addr, uInt16 value) {
FORCE_INLINE void WRITE16(uInt8* data, uInt32 addr, uInt16 value) {
(reinterpret_cast<uInt16*>(data))[addr >> 1] = value;
}
} // namespace
#endif
} // namespace
// #define THUMB_DISS