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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/renderer/cache/bufferCache.cpp
Vendored
-21
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@@ -714,7 +714,6 @@ BufferBinding BufferCache::ObtainBuffer(CommandBuffer& command, uint64_t vaddr,
if (command.IsInvalid() || command.IsExecute()) {
EXIT("BufferCache: buffer request requires a recording command buffer\n");
}
ValidateGpuAccess(vaddr, size, is_read, is_written);
std::lock_guard transaction(m_resource_mutex);
(void)SynchronizeBacking(vaddr, size);
@@ -999,7 +998,6 @@ void BufferCache::FillBuffer(uint64_t vaddr, uint64_t size, uint32_t value, bool
if (vaddr == 0) {
EXIT("BufferCache: invalid fill memory address\n");
}
ValidateGpuAccess(vaddr, size, false, true);
(void)m_texture_cache.ClearMeta(vaddr);
{
std::lock_guard transaction(m_resource_mutex);
@@ -1041,12 +1039,6 @@ void BufferCache::CopyBuffer(uint64_t dst_vaddr, uint64_t src_vaddr, uint64_t si
(src_gds && (src_vaddr > m_gds_buffer.Size() || size > m_gds_buffer.Size() - src_vaddr))) {
EXIT("BufferCache: invalid or overlapping copy range\n");
}
if (src_memory) {
ValidateGpuAccess(src_vaddr, size, true, false);
}
if (dst_memory) {
ValidateGpuAccess(dst_vaddr, size, false, true);
}
if (src_memory || dst_memory) {
std::lock_guard transaction(m_resource_mutex);
if (src_memory) {
@@ -1203,19 +1195,6 @@ void BufferCache::PublishImageBuffer(uint64_t vaddr, uint64_t size) {
owner->second->tick_accessed_last = m_gc_tick;
}
void BufferCache::ValidateGpuAccess(uint64_t vaddr, uint64_t size, bool is_read,
bool is_written) const {
if ((!is_read && !is_written) || vaddr == 0 || size == 0 || size > UINT64_MAX - vaddr) {
EXIT("BufferCache: invalid GPU access request\n");
}
if (is_read && !m_page_manager.HasGpuAccess(vaddr, size, GpuAccess::Read)) {
EXIT("BufferCache: GPU-read access denied\n");
}
if (is_written && !m_page_manager.HasGpuAccess(vaddr, size, GpuAccess::Write)) {
EXIT("BufferCache: GPU-write access denied\n");
}
}
void BufferCache::RunGarbageCollector() {
std::lock_guard transaction(m_resource_mutex);
const auto tick = m_gc_tick++;