qemu-e2k/include/exec/memopidx.h

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/*
* Combine the MemOp and mmu_idx parameters into a single value.
*
* Authors:
* Richard Henderson <rth@twiddle.net>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef EXEC_MEMOPIDX_H
#define EXEC_MEMOPIDX_H
#include "exec/memop.h"
typedef uint32_t MemOpIdx;
/**
* make_memop_idx
* @op: memory operation
* @idx: mmu index
*
* Encode these values into a single parameter.
*/
static inline MemOpIdx make_memop_idx(MemOp op, unsigned idx)
{
#ifdef CONFIG_DEBUG_TCG
assert(idx <= 15);
#endif
return (op << 4) | idx;
}
/**
* get_memop
* @oi: combined op/idx parameter
*
* Extract the memory operation from the combined value.
*/
static inline MemOp get_memop(MemOpIdx oi)
{
return oi >> 4;
}
/**
* get_mmuidx
* @oi: combined op/idx parameter
*
* Extract the mmu index from the combined value.
*/
static inline unsigned get_mmuidx(MemOpIdx oi)
{
return oi & 15;
}
#endif