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Rework guest memory tracking/virtual address space/direct and flexible memory (#135)

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* Rework guest memory tracking

* add unknwon flag

* Fix macOS guest address-space reservation
This commit is contained in:
nmzik
2026-07-31 03:07:17 +02:00
committed by GitHub
parent ecb48f90bb
commit 2f5396c6a5
28 changed files with 3155 additions and 2887 deletions
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src/graphics/host_gpu/pageManager.h
+2 -6
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@@ -13,11 +13,9 @@ namespace Libs::Graphics {
enum class PageFaultAccess { Read, Write, Execute, Unknown };
enum class PageFaultPhase { Invalidate, Complete, Release };
enum class PageWatchMode { Write, ReadWrite };
enum class GpuAccess { Read, Write, ReadWrite };
using PageFaultHandler = bool (*)(void* context, PageFaultAccess access, uint64_t vaddr,
uint64_t size, PageFaultPhase phase) noexcept;
class PageManager final {
public:
class BackingWrite final {
@@ -40,13 +38,11 @@ public:
[[nodiscard]] uint64_t GetPageSize() const;
[[nodiscard]] bool IsTracked(uint64_t vaddr) const noexcept;
[[nodiscard]] bool IsMapped(uint64_t vaddr, uint64_t size) const noexcept;
[[nodiscard]] bool HasGpuAccess(uint64_t vaddr, uint64_t size, GpuAccess access) const noexcept;
void UpdatePageWatchers(bool track, uint64_t vaddr, uint64_t size,
PageWatchMode mode = PageWatchMode::Write);
void OnGpuMap(uint64_t vaddr, uint64_t size, GpuAccess access = GpuAccess::ReadWrite);
void OnGpuUnmap(uint64_t vaddr, uint64_t size, GpuAccess access = GpuAccess::ReadWrite);
void OnGpuMap(uint64_t vaddr, uint64_t size);
void OnGpuUnmap(uint64_t vaddr, uint64_t size);
[[nodiscard]] bool HandleFault(PageFaultAccess access, uint64_t fault_vaddr) noexcept;
[[nodiscard]] std::vector<std::unique_ptr<BackingWrite>>