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https://github.com/RetroPortingToolKit/psxrecomp
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Shokunin
18 lines
689 B
C
18 lines
689 B
C
/* Private execution buffers are prepared by their owner before publication.
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* Touch each host page here so immutable source capture never pays the first
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* write fault for a large replay image. This is not guest memory tracking. */
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#ifndef PSX_EXECUTION_STORAGE_H
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#define PSX_EXECUTION_STORAGE_H
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#include <stdlib.h>
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#include <stddef.h>
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static inline void *execution_storage_calloc(size_t bytes) {
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void *storage = calloc(1, bytes);
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if (storage && bytes) {
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volatile unsigned char *pages = (volatile unsigned char *)storage;
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for (size_t offset = 0; offset < bytes; offset += 4096u) pages[offset] = 0;
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pages[bytes - 1] = 0;
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}
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return storage;
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}
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#endif
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