13adda68c5
The compiler should produce reasonable code here in general, so punt the various arch checks and bswap defines. This code will eventually go away entirely when we convert it to the common memory code.
51 lines
1 KiB
C
51 lines
1 KiB
C
/* If we're being compiled as a .c file, rather than being included in
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d10v_sim.h, then ENDIAN_INLINE won't be defined yet. */
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#ifndef ENDIAN_INLINE
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#define NO_ENDIAN_INLINE
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#include "sim-main.h"
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#define ENDIAN_INLINE
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#endif
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ENDIAN_INLINE uint16
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get_word (uint8 *x)
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{
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return ((uint16)x[0]<<8) + x[1];
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}
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ENDIAN_INLINE uint32
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get_longword (uint8 *x)
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{
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return ((uint32)x[0]<<24) + ((uint32)x[1]<<16) + ((uint32)x[2]<<8) + ((uint32)x[3]);
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}
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ENDIAN_INLINE int64
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get_longlong (uint8 *x)
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{
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uint32 top = get_longword (x);
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uint32 bottom = get_longword (x+4);
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return (((int64)top)<<32) | (int64)bottom;
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}
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ENDIAN_INLINE void
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write_word (uint8 *addr, uint16 data)
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{
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addr[0] = (data >> 8) & 0xff;
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addr[1] = data & 0xff;
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}
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ENDIAN_INLINE void
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write_longword (uint8 *addr, uint32 data)
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{
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addr[0] = (data >> 24) & 0xff;
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addr[1] = (data >> 16) & 0xff;
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addr[2] = (data >> 8) & 0xff;
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addr[3] = data & 0xff;
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}
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ENDIAN_INLINE void
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write_longlong (uint8 *addr, int64 data)
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{
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write_longword (addr, (uint32)(data >> 32));
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write_longword (addr+4, (uint32)data);
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}
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