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Merge pull request #9415 from liamwhite/dc

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memory: correct semantics of data cache management operations
This commit is contained in:
Mai 2022-12-11 21:09:31 +00:00 • committed by GitHub
commit f23e20a630
4 changed files with 15 additions and 102 deletions
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29
src/core/memory.cpp
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@ -6,7 +6,6 @@
#include "common/assert.h"
#include "common/atomic_ops.h"
#include "common/cache_management.h"
#include "common/common_types.h"
#include "common/logging/log.h"
#include "common/page_table.h"
@ -340,10 +339,9 @@ struct Memory::Impl {
LOG_ERROR(HW_Memory, "Unmapped cache maintenance @ {:#018X}", current_vaddr);
throw InvalidMemoryException();
},
[&](const std::size_t block_size, u8* const host_ptr) { cb(block_size, host_ptr); },
[&](const std::size_t block_size, u8* const host_ptr) {},
[&](const VAddr current_vaddr, const std::size_t block_size, u8* const host_ptr) {
system.GPU().FlushRegion(current_vaddr, block_size);
cb(block_size, host_ptr);
cb(current_vaddr, block_size);
},
[](const std::size_t block_size) {});
} catch (InvalidMemoryException&) {
@ -354,27 +352,30 @@ struct Memory::Impl {
}
Result InvalidateDataCache(const Kernel::KProcess& process, VAddr dest_addr, std::size_t size) {
auto perform = [&](const std::size_t block_size, u8* const host_ptr) {
// Do nothing; this operation (dc ivac) cannot be supported
// from EL0
auto on_rasterizer = [&](const VAddr current_vaddr, const std::size_t block_size) {
// dc ivac: Invalidate to point of coherency
// GPU flush -> CPU invalidate
system.GPU().FlushRegion(current_vaddr, block_size);
};
return PerformCacheOperation(process, dest_addr, size, perform);
return PerformCacheOperation(process, dest_addr, size, on_rasterizer);
}
Result StoreDataCache(const Kernel::KProcess& process, VAddr dest_addr, std::size_t size) {
auto perform = [&](const std::size_t block_size, u8* const host_ptr) {
auto on_rasterizer = [&](const VAddr current_vaddr, const std::size_t block_size) {
// dc cvac: Store to point of coherency
Common::DataCacheLineCleanByVAToPoC(host_ptr, block_size);
// CPU flush -> GPU invalidate
system.GPU().InvalidateRegion(current_vaddr, block_size);
};
return PerformCacheOperation(process, dest_addr, size, perform);
return PerformCacheOperation(process, dest_addr, size, on_rasterizer);
}
Result FlushDataCache(const Kernel::KProcess& process, VAddr dest_addr, std::size_t size) {
auto perform = [&](const std::size_t block_size, u8* const host_ptr) {
auto on_rasterizer = [&](const VAddr current_vaddr, const std::size_t block_size) {
// dc civac: Store to point of coherency, and invalidate from cache
Common::DataCacheLineCleanAndInvalidateByVAToPoC(host_ptr, block_size);
// CPU flush -> GPU invalidate
system.GPU().InvalidateRegion(current_vaddr, block_size);
};
return PerformCacheOperation(process, dest_addr, size, perform);
return PerformCacheOperation(process, dest_addr, size, on_rasterizer);
}
void MarkRegionDebug(VAddr vaddr, u64 size, bool debug) {