52 lines
1.0 KiB
C
52 lines
1.0 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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