libnx v4.9.0
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cache.h
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1/**
2 * @file cache.h
3 * @brief AArch64 cache operations.
4 * @author plutoo
5 * @copyright libnx Authors
6 */
7#pragma once
8#include "../types.h"
9
10/**
11 * @brief Performs a data cache flush on the specified buffer.
12 * @param addr Address of the buffer.
13 * @param size Size of the buffer, in bytes.
14 * @remarks Cache flush is defined as Clean + Invalidate.
15 * @note The start and end addresses of the buffer are forcibly rounded to cache line boundaries (read from CTR_EL0 system register).
16 */
17void armDCacheFlush(void* addr, size_t size);
18
19/**
20 * @brief Performs a data cache clean on the specified buffer.
21 * @param addr Address of the buffer.
22 * @param size Size of the buffer, in bytes.
23 * @note The start and end addresses of the buffer are forcibly rounded to cache line boundaries (read from CTR_EL0 system register).
24 */
25void armDCacheClean(void* addr, size_t size);
26
27/**
28 * @brief Performs an instruction cache invalidation clean on the specified buffer.
29 * @param addr Address of the buffer.
30 * @param size Size of the buffer, in bytes.
31 * @note The start and end addresses of the buffer are forcibly rounded to cache line boundaries (read from CTR_EL0 system register).
32 */
33void armICacheInvalidate(void* addr, size_t size);
34
35/**
36 * @brief Performs a data cache zeroing operation on the specified buffer.
37 * @param addr Address of the buffer.
38 * @param size Size of the buffer, in bytes.
39 * @note The start and end addresses of the buffer are forcibly rounded to cache line boundaries (read from CTR_EL0 system register).
40 */
41void armDCacheZero(void* addr, size_t size);
void armDCacheFlush(void *addr, size_t size)
Performs a data cache flush on the specified buffer.
void armDCacheZero(void *addr, size_t size)
Performs a data cache zeroing operation on the specified buffer.
void armICacheInvalidate(void *addr, size_t size)
Performs an instruction cache invalidation clean on the specified buffer.
void armDCacheClean(void *addr, size_t size)
Performs a data cache clean on the specified buffer.