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core: Remove special regions (#7211)

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GPUCode 2023-11-26 22:07:30 +02:00 • committed by GitHub
parent dc8425a986
commit db7b929e47
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11 changed files with 4 additions and 13996 deletions
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32
src/core/hle/kernel/vm_manager.cpp
View file

@ -10,7 +10,6 @@
#include "core/hle/kernel/vm_manager.h"
#include "core/hle/service/plgldr/plgldr.h"
#include "core/memory.h"
#include "core/mmio.h"
namespace Kernel {
@ -33,9 +32,6 @@ bool VirtualMemoryArea::CanBeMergedWith(const VirtualMemoryArea& next) const {
backing_memory.GetPtr() + size != next.backing_memory.GetPtr()) {
return false;
}
if (type == VMAType::MMIO && paddr + size != next.paddr) {
return false;
}
return true;
}
@ -118,26 +114,6 @@ ResultVal<VMManager::VMAHandle> VMManager::MapBackingMemory(VAddr target, Memory
return MergeAdjacent(vma_handle);
}
ResultVal<VMManager::VMAHandle> VMManager::MapMMIO(VAddr target, PAddr paddr, u32 size,
MemoryState state,
Memory::MMIORegionPointer mmio_handler) {
ASSERT(!is_locked);
// This is the appropriately sized VMA that will turn into our allocation.
CASCADE_RESULT(VMAIter vma_handle, CarveVMA(target, size));
VirtualMemoryArea& final_vma = vma_handle->second;
ASSERT(final_vma.size == size);
final_vma.type = VMAType::MMIO;
final_vma.permissions = VMAPermission::ReadWrite;
final_vma.meminfo_state = state;
final_vma.paddr = paddr;
final_vma.mmio_handler = mmio_handler;
UpdatePageTableForVMA(final_vma);
return MergeAdjacent(vma_handle);
}
ResultCode VMManager::ChangeMemoryState(VAddr target, u32 size, MemoryState expected_state,
VMAPermission expected_perms, MemoryState new_state,
VMAPermission new_perms) {
@ -185,9 +161,7 @@ VMManager::VMAIter VMManager::Unmap(VMAIter vma_handle) {
vma.type = VMAType::Free;
vma.permissions = VMAPermission::None;
vma.meminfo_state = MemoryState::Free;
vma.backing_memory = nullptr;
vma.paddr = 0;
UpdatePageTableForVMA(vma);
@ -344,9 +318,6 @@ VMManager::VMAIter VMManager::SplitVMA(VMAIter vma_handle, u32 offset_in_vma) {
case VMAType::BackingMemory:
new_vma.backing_memory += offset_in_vma;
break;
case VMAType::MMIO:
new_vma.paddr += offset_in_vma;
break;
}
ASSERT(old_vma.CanBeMergedWith(new_vma));
@ -381,9 +352,6 @@ void VMManager::UpdatePageTableForVMA(const VirtualMemoryArea& vma) {
case VMAType::BackingMemory:
memory.MapMemoryRegion(*page_table, vma.base, vma.size, vma.backing_memory);
break;
case VMAType::MMIO:
memory.MapIoRegion(*page_table, vma.base, vma.size, vma.mmio_handler);
break;
}
auto plgldr = Service::PLGLDR::GetService(Core::System::GetInstance());

26
src/core/hle/kernel/vm_manager.h
View file

@ -6,8 +6,6 @@
#include <map>
#include <memory>
#include <utility>
#include <vector>
#include <boost/serialization/map.hpp>
#include <boost/serialization/shared_ptr.hpp>
#include <boost/serialization/split_member.hpp>
@ -16,7 +14,6 @@
#include "core/hle/kernel/memory.h"
#include "core/hle/result.h"
#include "core/memory.h"
#include "core/mmio.h"
namespace Kernel {
@ -25,8 +22,6 @@ enum class VMAType : u8 {
Free,
/// VMA is backed by a raw, unmanaged pointer.
BackingMemory,
/// VMA is mapped to MMIO registers at a fixed PAddr.
MMIO,
};
/// Permissions for mapped memory blocks
@ -74,15 +69,10 @@ struct VirtualMemoryArea {
/// Tag returned by svcQueryMemory. Not otherwise used.
MemoryState meminfo_state = MemoryState::Free;
// Settings for type = BackingMemory
/// Settings for type = BackingMemory
/// Pointer backing this VMA. It will not be destroyed or freed when the VMA is removed.
MemoryRef backing_memory{};
// Settings for type = MMIO
/// Physical address of the register area this VMA maps to.
PAddr paddr = 0;
Memory::MMIORegionPointer mmio_handler = nullptr;
/// Tests if this area can be merged to the right with `next`.
bool CanBeMergedWith(const VirtualMemoryArea& next) const;
@ -96,8 +86,6 @@ private:
ar& permissions;
ar& meminfo_state;
ar& backing_memory;
ar& paddr;
ar& mmio_handler;
}
};
@ -166,18 +154,6 @@ public:
ResultVal<VMAHandle> MapBackingMemory(VAddr target, MemoryRef memory, u32 size,
MemoryState state);
/**
* Maps a memory-mapped IO region at a given address.
*
* @param target The guest address to start the mapping at.
* @param paddr The physical address where the registers are present.
* @param size Size of the mapping.
* @param state MemoryState tag to attach to the VMA.
* @param mmio_handler The handler that will implement read and write for this MMIO region.
*/
ResultVal<VMAHandle> MapMMIO(VAddr target, PAddr paddr, u32 size, MemoryState state,
Memory::MMIORegionPointer mmio_handler);
/**
* Updates the memory state and permissions of the specified range. The range's original memory
* state and permissions must match the `expected` parameters.