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Merge pull request #265 from bunnei/tegra-progress-2

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Tegra progress 2
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bunnei 2018-03-23 23:30:48 -04:00 • committed by GitHub
commit a10baacf9e
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GPG key ID: 4AEE18F83AFDEB23
17 changed files with 591 additions and 296 deletions
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40
src/core/memory.cpp
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@ -41,6 +41,9 @@ static void MapPages(PageTable& page_table, VAddr base, u64 size, u8* memory, Pa
LOG_DEBUG(HW_Memory, "Mapping %p onto %016" PRIX64 "-%016" PRIX64, memory, base * PAGE_SIZE,
(base + size) * PAGE_SIZE);
RasterizerFlushVirtualRegion(base << PAGE_BITS, size * PAGE_SIZE,
FlushMode::FlushAndInvalidate);
VAddr end = base + size;
while (base != end) {
ASSERT_MSG(base < PAGE_TABLE_NUM_ENTRIES, "out of range mapping at %016" PRIX64, base);
@ -288,6 +291,43 @@ u8* GetPhysicalPointer(PAddr address) {
return target_pointer;
}
void RasterizerFlushVirtualRegion(VAddr start, u64 size, FlushMode mode) {
// Since pages are unmapped on shutdown after video core is shutdown, the renderer may be
// null here
if (VideoCore::g_renderer == nullptr) {
return;
}
VAddr end = start + size;
auto CheckRegion = [&](VAddr region_start, VAddr region_end) {
if (start >= region_end || end <= region_start) {
// No overlap with region
return;
}
VAddr overlap_start = std::max(start, region_start);
VAddr overlap_end = std::min(end, region_end);
u64 overlap_size = overlap_end - overlap_start;
auto* rasterizer = VideoCore::g_renderer->Rasterizer();
switch (mode) {
case FlushMode::Flush:
rasterizer->FlushRegion(overlap_start, overlap_size);
break;
case FlushMode::Invalidate:
rasterizer->InvalidateRegion(overlap_start, overlap_size);
break;
case FlushMode::FlushAndInvalidate:
rasterizer->FlushAndInvalidateRegion(overlap_start, overlap_size);
break;
}
};
CheckRegion(PROCESS_IMAGE_VADDR, PROCESS_IMAGE_VADDR_END);
CheckRegion(HEAP_VADDR, HEAP_VADDR_END);
}
u8 Read8(const VAddr addr) {
return Read<u8>(addr);
}