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32 lines
761 B
C
32 lines
761 B
C
#ifndef _VM_SEGMENT_H_
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#define _VM_SEGMENT_H_
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#include "vm_bits.h"
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/*
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* The bounds check is just some inline code to try and cut down on the
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* cost of it.
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*/
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#define vm_segment_bounds_check(segment, index) \
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(index == index % segment->size)
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typedef struct {
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/*
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* The size of our memory segment. This is used for bounds checking.
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*/
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size_t size;
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/*
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* This is the actual chunk of memory we allocate.
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*/
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vm_8bit *memory;
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} vm_segment;
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extern void vm_segment_copy(vm_segment *, vm_segment *, size_t, size_t, size_t);
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extern vm_segment *vm_segment_create(size_t);
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extern void vm_segment_free(vm_segment *);
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extern vm_8bit vm_segment_get(vm_segment *, size_t);
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extern void vm_segment_set(vm_segment *, size_t, vm_8bit);
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#endif
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