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fusee_cpp: implement bpmp cache driver

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This commit is contained in:
Michael Scire
2021-08-23 09:13:26 -07:00
committed by SciresM
parent 49d0a51d6b
commit 5cff5e629b
6 changed files with 390 additions and 11 deletions
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22
libraries/libexosphere/include/exosphere/hw/hw_arm.hpp
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@@ -19,7 +19,8 @@
namespace ams::hw::arch::arm {
#ifdef __BPMP__
constexpr inline size_t DataCacheLineSize = 0x1;
constexpr inline size_t DataCacheLineSize = 0x20;
constexpr inline size_t DataCacheSize = 32_KB;
ALWAYS_INLINE void DataSynchronizationBarrier() {
/* ... */
@@ -37,11 +38,20 @@ namespace ams::hw::arch::arm {
/* ... */
}
ALWAYS_INLINE void FlushDataCache(const void *ptr, size_t size) {
AMS_UNUSED(ptr);
AMS_UNUSED(size);
/* ... */
}
void InitializeDataCache();
void FinalizeDataCache();
void InvalidateEntireDataCache();
void StoreEntireDataCache();
void FlushEntireDataCache();
void InvalidateDataCacheLine(void *ptr);
void StoreDataCacheLine(void *ptr);
void FlushDataCacheLine(void *ptr);
void InvalidateDataCache(void *ptr, size_t size);
void StoreDataCache(const void *ptr, size_t size);
void FlushDataCache(const void *ptr, size_t size);
#else
#error "Unknown ARM board for ams::hw"
#endif