diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | src/core/core.cpp | 6 | ||||
| -rw-r--r-- | src/core/core.h | 3 | ||||
| -rw-r--r-- | src/core/hle/kernel/kernel.cpp | 6 | ||||
| -rw-r--r-- | src/core/hle/kernel/kernel.h | 2 | ||||
| -rw-r--r-- | src/core/hle/kernel/memory.cpp | 90 | ||||
| -rw-r--r-- | src/core/hle/kernel/memory.h | 34 | ||||
| -rw-r--r-- | src/core/hle/kernel/process.cpp | 78 | ||||
| -rw-r--r-- | src/core/hle/kernel/process.h | 17 | ||||
| -rw-r--r-- | src/core/hle/kernel/shared_memory.cpp | 63 | ||||
| -rw-r--r-- | src/core/hle/kernel/shared_memory.h | 3 | ||||
| -rw-r--r-- | src/core/hle/kernel/thread.cpp | 33 | ||||
| -rw-r--r-- | src/core/memory.cpp | 106 | ||||
| -rw-r--r-- | src/core/memory.h | 88 | ||||
| -rw-r--r-- | src/tests/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | src/tests/core/memory/memory.cpp | 56 |
16 files changed, 29 insertions, 559 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index d29f6a84f..19c629afe 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -63,8 +63,6 @@ add_library(core STATIC hle/kernel/hle_ipc.h hle/kernel/kernel.cpp hle/kernel/kernel.h - hle/kernel/memory.cpp - hle/kernel/memory.h hle/kernel/mutex.cpp hle/kernel/mutex.h hle/kernel/object.cpp diff --git a/src/core/core.cpp b/src/core/core.cpp index 54fc4170f..9824769cf 100644 --- a/src/core/core.cpp +++ b/src/core/core.cpp @@ -110,7 +110,7 @@ System::ResultStatus System::Load(EmuWindow& emu_window, const std::string& file } } - ResultStatus init_result{Init(emu_window, system_mode.first.get())}; + ResultStatus init_result{Init(emu_window)}; if (init_result != ResultStatus::Success) { LOG_CRITICAL(Core, "Failed to initialize system (Error {})!", static_cast<int>(init_result)); @@ -161,7 +161,7 @@ Cpu& System::CpuCore(size_t core_index) { return *cpu_cores[core_index]; } -System::ResultStatus System::Init(EmuWindow& emu_window, u32 system_mode) { +System::ResultStatus System::Init(EmuWindow& emu_window) { LOG_DEBUG(HW_Memory, "initialized OK"); CoreTiming::Init(); @@ -178,7 +178,7 @@ System::ResultStatus System::Init(EmuWindow& emu_window, u32 system_mode) { telemetry_session = std::make_unique<Core::TelemetrySession>(); service_manager = std::make_shared<Service::SM::ServiceManager>(); - Kernel::Init(system_mode); + Kernel::Init(); Service::Init(service_manager); GDBStub::Init(); diff --git a/src/core/core.h b/src/core/core.h index f8b6644bb..ed475ac4e 100644 --- a/src/core/core.h +++ b/src/core/core.h @@ -189,10 +189,9 @@ private: * Initialize the emulated system. * @param emu_window Reference to the host-system window used for video output and keyboard * input. - * @param system_mode The system mode. * @return ResultStatus code, indicating if the operation succeeded. */ - ResultStatus Init(EmuWindow& emu_window, u32 system_mode); + ResultStatus Init(EmuWindow& emu_window); /// AppLoader used to load the current executing application std::unique_ptr<Loader::AppLoader> app_loader; diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 3eb4f465c..1b0cd0abf 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -4,7 +4,6 @@ #include "core/hle/kernel/handle_table.h" #include "core/hle/kernel/kernel.h" -#include "core/hle/kernel/memory.h" #include "core/hle/kernel/process.h" #include "core/hle/kernel/resource_limit.h" #include "core/hle/kernel/thread.h" @@ -15,9 +14,7 @@ namespace Kernel { unsigned int Object::next_object_id; /// Initialize the kernel -void Init(u32 system_mode) { - Kernel::MemoryInit(system_mode); - +void Init() { Kernel::ResourceLimitsInit(); Kernel::ThreadingInit(); Kernel::TimersInit(); @@ -37,7 +34,6 @@ void Shutdown() { Kernel::TimersShutdown(); Kernel::ResourceLimitsShutdown(); - Kernel::MemoryShutdown(); } } // namespace Kernel diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h index 2bc45d7db..131311472 100644 --- a/src/core/hle/kernel/kernel.h +++ b/src/core/hle/kernel/kernel.h @@ -9,7 +9,7 @@ namespace Kernel { /// Initialize the kernel with the specified system mode. -void Init(u32 system_mode); +void Init(); /// Shutdown the kernel void Shutdown(); diff --git a/src/core/hle/kernel/memory.cpp b/src/core/hle/kernel/memory.cpp deleted file mode 100644 index a7f3c3c5a..000000000 --- a/src/core/hle/kernel/memory.cpp +++ /dev/null @@ -1,90 +0,0 @@ -// Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <algorithm> -#include <cinttypes> -#include <memory> -#include <utility> -#include <vector> -#include "common/assert.h" -#include "common/common_types.h" -#include "common/logging/log.h" -#include "core/hle/kernel/memory.h" -#include "core/hle/kernel/process.h" -#include "core/hle/kernel/vm_manager.h" -#include "core/memory.h" - -//////////////////////////////////////////////////////////////////////////////////////////////////// - -namespace Kernel { - -MemoryRegionInfo memory_regions[3]; - -/// Size of the APPLICATION, SYSTEM and BASE memory regions (respectively) for each system -/// memory configuration type. -static const u32 memory_region_sizes[8][3] = { - // Old 3DS layouts - {0x04000000, 0x02C00000, 0x01400000}, // 0 - {/* This appears to be unused. */}, // 1 - {0x06000000, 0x00C00000, 0x01400000}, // 2 - {0x05000000, 0x01C00000, 0x01400000}, // 3 - {0x04800000, 0x02400000, 0x01400000}, // 4 - {0x02000000, 0x04C00000, 0x01400000}, // 5 - - // New 3DS layouts - {0x07C00000, 0x06400000, 0x02000000}, // 6 - {0x0B200000, 0x02E00000, 0x02000000}, // 7 -}; - -void MemoryInit(u32 mem_type) { - // TODO(yuriks): On the n3DS, all o3DS configurations (<=5) are forced to 6 instead. - ASSERT_MSG(mem_type <= 5, "New 3DS memory configuration aren't supported yet!"); - ASSERT(mem_type != 1); - - // The kernel allocation regions (APPLICATION, SYSTEM and BASE) are laid out in sequence, with - // the sizes specified in the memory_region_sizes table. - VAddr base = 0; - for (int i = 0; i < 3; ++i) { - memory_regions[i].base = base; - memory_regions[i].size = memory_region_sizes[mem_type][i]; - memory_regions[i].used = 0; - memory_regions[i].linear_heap_memory = std::make_shared<std::vector<u8>>(); - // Reserve enough space for this region of FCRAM. - // We do not want this block of memory to be relocated when allocating from it. - memory_regions[i].linear_heap_memory->reserve(memory_regions[i].size); - - base += memory_regions[i].size; - } - - // We must've allocated the entire FCRAM by the end - ASSERT(base == Memory::FCRAM_SIZE); -} - -void MemoryShutdown() { - for (auto& region : memory_regions) { - region.base = 0; - region.size = 0; - region.used = 0; - region.linear_heap_memory = nullptr; - } -} - -MemoryRegionInfo* GetMemoryRegion(MemoryRegion region) { - switch (region) { - case MemoryRegion::APPLICATION: - return &memory_regions[0]; - case MemoryRegion::SYSTEM: - return &memory_regions[1]; - case MemoryRegion::BASE: - return &memory_regions[2]; - default: - UNREACHABLE(); - } -} - -void HandleSpecialMapping(VMManager& address_space, const AddressMapping& mapping) {} - -void MapSharedPages(VMManager& address_space) {} - -} // namespace Kernel diff --git a/src/core/hle/kernel/memory.h b/src/core/hle/kernel/memory.h deleted file mode 100644 index 1d05b8871..000000000 --- a/src/core/hle/kernel/memory.h +++ /dev/null @@ -1,34 +0,0 @@ -// Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include <memory> -#include <vector> - -#include "common/common_types.h" - -namespace Kernel { - -class VMManager; -enum class MemoryRegion : u16; -struct AddressMapping; - -struct MemoryRegionInfo { - u64 base; // Not an address, but offset from start of FCRAM - u64 size; - u64 used; - - std::shared_ptr<std::vector<u8>> linear_heap_memory; -}; - -void MemoryInit(u32 mem_type); -void MemoryShutdown(); -MemoryRegionInfo* GetMemoryRegion(MemoryRegion region); - -void HandleSpecialMapping(VMManager& address_space, const AddressMapping& mapping); -void MapSharedPages(VMManager& address_space); - -extern MemoryRegionInfo memory_regions[3]; -} // namespace Kernel diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp index 0c0506085..5403ceef5 100644 --- a/src/core/hle/kernel/process.cpp +++ b/src/core/hle/kernel/process.cpp @@ -8,7 +8,6 @@ #include "common/common_funcs.h" #include "common/logging/log.h" #include "core/hle/kernel/errors.h" -#include "core/hle/kernel/memory.h" #include "core/hle/kernel/process.h" #include "core/hle/kernel/resource_limit.h" #include "core/hle/kernel/thread.h" @@ -125,14 +124,6 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) { std::make_shared<std::vector<u8>>(stack_size, 0), 0, stack_size, MemoryState::Mapped) .Unwrap(); - misc_memory_used += stack_size; - memory_region->used += stack_size; - - // Map special address mappings - MapSharedPages(vm_manager); - for (const auto& mapping : address_mappings) { - HandleSpecialMapping(vm_manager, mapping); - } vm_manager.LogLayout(); status = ProcessStatus::Running; @@ -141,17 +132,13 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) { } void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) { - memory_region = GetMemoryRegion(flags.memory_region); - - auto MapSegment = [&](CodeSet::Segment& segment, VMAPermission permissions, - MemoryState memory_state) { + const auto MapSegment = [&](CodeSet::Segment& segment, VMAPermission permissions, + MemoryState memory_state) { auto vma = vm_manager .MapMemoryBlock(segment.addr + base_addr, module_->memory, segment.offset, segment.size, memory_state) .Unwrap(); vm_manager.Reprotect(vma, permissions); - misc_memory_used += segment.size; - memory_region->used += segment.size; }; // Map CodeSet segments @@ -160,20 +147,6 @@ void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) { MapSegment(module_->data, VMAPermission::ReadWrite, MemoryState::CodeMutable); } -VAddr Process::GetLinearHeapAreaAddress() const { - // Starting from system version 8.0.0 a new linear heap layout is supported to allow usage of - // the extra RAM in the n3DS. - return kernel_version < 0x22C ? Memory::LINEAR_HEAP_VADDR : Memory::NEW_LINEAR_HEAP_VADDR; -} - -VAddr Process::GetLinearHeapBase() const { - return GetLinearHeapAreaAddress() + memory_region->base; -} - -VAddr Process::GetLinearHeapLimit() const { - return GetLinearHeapBase() + memory_region->size; -} - ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission perms) { if (target < Memory::HEAP_VADDR || target + size > Memory::HEAP_VADDR_END || target + size < target) { @@ -206,7 +179,6 @@ ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission per vm_manager.Reprotect(vma, perms); heap_used = size; - memory_region->used += size; return MakeResult<VAddr>(heap_end - size); } @@ -226,52 +198,6 @@ ResultCode Process::HeapFree(VAddr target, u32 size) { return result; heap_used -= size; - memory_region->used -= size; - - return RESULT_SUCCESS; -} - -ResultVal<VAddr> Process::LinearAllocate(VAddr target, u32 size, VMAPermission perms) { - UNIMPLEMENTED(); - return {}; -} - -ResultCode Process::LinearFree(VAddr target, u32 size) { - auto& linheap_memory = memory_region->linear_heap_memory; - - if (target < GetLinearHeapBase() || target + size > GetLinearHeapLimit() || - target + size < target) { - - return ERR_INVALID_ADDRESS; - } - - if (size == 0) { - return RESULT_SUCCESS; - } - - VAddr heap_end = GetLinearHeapBase() + (u32)linheap_memory->size(); - if (target + size > heap_end) { - return ERR_INVALID_ADDRESS_STATE; - } - - ResultCode result = vm_manager.UnmapRange(target, size); - if (result.IsError()) - return result; - - linear_heap_used -= size; - memory_region->used -= size; - - if (target + size == heap_end) { - // End of linear heap has been freed, so check what's the last allocated block in it and - // reduce the size. - auto vma = vm_manager.FindVMA(target); - ASSERT(vma != vm_manager.vma_map.end()); - ASSERT(vma->second.type == VMAType::Free); - VAddr new_end = vma->second.base; - if (new_end >= GetLinearHeapBase()) { - linheap_memory->resize(new_end - GetLinearHeapBase()); - } - } return RESULT_SUCCESS; } diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h index 1204026be..98d8da35e 100644 --- a/src/core/hle/kernel/process.h +++ b/src/core/hle/kernel/process.h @@ -53,7 +53,6 @@ union ProcessFlags { enum class ProcessStatus { Created, Running, Exited }; class ResourceLimit; -struct MemoryRegionInfo; struct CodeSet final : public Object { static SharedPtr<CodeSet> Create(std::string name); @@ -163,12 +162,11 @@ public: // This makes deallocation and reallocation of holes fast and keeps process memory contiguous // in the emulator address space, allowing Memory::GetPointer to be reasonably safe. std::shared_ptr<std::vector<u8>> heap_memory; - // The left/right bounds of the address space covered by heap_memory. - VAddr heap_start = 0, heap_end = 0; - - u64 heap_used = 0, linear_heap_used = 0, misc_memory_used = 0; - MemoryRegionInfo* memory_region = nullptr; + // The left/right bounds of the address space covered by heap_memory. + VAddr heap_start = 0; + VAddr heap_end = 0; + u64 heap_used = 0; /// The Thread Local Storage area is allocated as processes create threads, /// each TLS area is 0x200 bytes, so one page (0x1000) is split up in 8 parts, and each part @@ -179,16 +177,9 @@ public: std::string name; - VAddr GetLinearHeapAreaAddress() const; - VAddr GetLinearHeapBase() const; - VAddr GetLinearHeapLimit() const; - ResultVal<VAddr> HeapAllocate(VAddr target, u64 size, VMAPermission perms); ResultCode HeapFree(VAddr target, u32 size); - ResultVal<VAddr> LinearAllocate(VAddr target, u32 size, VMAPermission perms); - ResultCode LinearFree(VAddr target, u32 size); - ResultCode MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size); ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size); diff --git a/src/core/hle/kernel/shared_memory.cpp b/src/core/hle/kernel/shared_memory.cpp index a5b11bd87..b3ddebb3d 100644 --- a/src/core/hle/kernel/shared_memory.cpp +++ b/src/core/hle/kernel/shared_memory.cpp @@ -8,7 +8,6 @@ #include "common/logging/log.h" #include "core/core.h" #include "core/hle/kernel/errors.h" -#include "core/hle/kernel/memory.h" #include "core/hle/kernel/shared_memory.h" #include "core/memory.h" @@ -29,51 +28,22 @@ SharedPtr<SharedMemory> SharedMemory::Create(SharedPtr<Process> owner_process, u shared_memory->permissions = permissions; shared_memory->other_permissions = other_permissions; - if (address == 0) { - // We need to allocate a block from the Linear Heap ourselves. - // We'll manually allocate some memory from the linear heap in the specified region. - MemoryRegionInfo* memory_region = GetMemoryRegion(region); - auto& linheap_memory = memory_region->linear_heap_memory; - - ASSERT_MSG(linheap_memory->size() + size <= memory_region->size, - "Not enough space in region to allocate shared memory!"); - - shared_memory->backing_block = linheap_memory; - shared_memory->backing_block_offset = linheap_memory->size(); - // Allocate some memory from the end of the linear heap for this region. - linheap_memory->insert(linheap_memory->end(), size, 0); - memory_region->used += size; - - shared_memory->linear_heap_phys_address = - Memory::FCRAM_PADDR + memory_region->base + - static_cast<PAddr>(shared_memory->backing_block_offset); - - // Increase the amount of used linear heap memory for the owner process. - if (shared_memory->owner_process != nullptr) { - shared_memory->owner_process->linear_heap_used += size; - } - - // Refresh the address mappings for the current process. - if (Core::CurrentProcess() != nullptr) { - Core::CurrentProcess()->vm_manager.RefreshMemoryBlockMappings(linheap_memory.get()); - } - } else { - auto& vm_manager = shared_memory->owner_process->vm_manager; - // The memory is already available and mapped in the owner process. - auto vma = vm_manager.FindVMA(address); - ASSERT_MSG(vma != vm_manager.vma_map.end(), "Invalid memory address"); - ASSERT_MSG(vma->second.backing_block, "Backing block doesn't exist for address"); - - // The returned VMA might be a bigger one encompassing the desired address. - auto vma_offset = address - vma->first; - ASSERT_MSG(vma_offset + size <= vma->second.size, - "Shared memory exceeds bounds of mapped block"); - - shared_memory->backing_block = vma->second.backing_block; - shared_memory->backing_block_offset = vma->second.offset + vma_offset; - } + auto& vm_manager = shared_memory->owner_process->vm_manager; + + // The memory is already available and mapped in the owner process. + auto vma = vm_manager.FindVMA(address); + ASSERT_MSG(vma != vm_manager.vma_map.end(), "Invalid memory address"); + ASSERT_MSG(vma->second.backing_block, "Backing block doesn't exist for address"); + + // The returned VMA might be a bigger one encompassing the desired address. + auto vma_offset = address - vma->first; + ASSERT_MSG(vma_offset + size <= vma->second.size, + "Shared memory exceeds bounds of mapped block"); + shared_memory->backing_block = vma->second.backing_block; + shared_memory->backing_block_offset = vma->second.offset + vma_offset; shared_memory->base_address = address; + return shared_memory; } @@ -124,11 +94,6 @@ ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermi VAddr target_address = address; - if (base_address == 0 && target_address == 0) { - // Calculate the address at which to map the memory block. - target_address = Memory::PhysicalToVirtualAddress(linear_heap_phys_address).value(); - } - // Map the memory block into the target process auto result = target_process->vm_manager.MapMemoryBlock( target_address, backing_block, backing_block_offset, size, MemoryState::Shared); diff --git a/src/core/hle/kernel/shared_memory.h b/src/core/hle/kernel/shared_memory.h index 8a6f68529..c50fee615 100644 --- a/src/core/hle/kernel/shared_memory.h +++ b/src/core/hle/kernel/shared_memory.h @@ -111,9 +111,6 @@ public: SharedPtr<Process> owner_process; /// Address of shared memory block in the owner process if specified. VAddr base_address; - /// Physical address of the shared memory block in the linear heap if no address was specified - /// during creation. - PAddr linear_heap_phys_address; /// Backing memory for this shared memory block. std::shared_ptr<std::vector<u8>> backing_block; /// Offset into the backing block for this shared memory. diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp index cdb8120f2..ea9554cbb 100644 --- a/src/core/hle/kernel/thread.cpp +++ b/src/core/hle/kernel/thread.cpp @@ -20,7 +20,6 @@ #include "core/core_timing_util.h" #include "core/hle/kernel/errors.h" #include "core/hle/kernel/handle_table.h" -#include "core/hle/kernel/memory.h" #include "core/hle/kernel/object.h" #include "core/hle/kernel/process.h" #include "core/hle/kernel/thread.h" @@ -81,8 +80,8 @@ void Thread::Stop() { wait_objects.clear(); // Mark the TLS slot in the thread's page as free. - u64 tls_page = (tls_address - Memory::TLS_AREA_VADDR) / Memory::PAGE_SIZE; - u64 tls_slot = + const u64 tls_page = (tls_address - Memory::TLS_AREA_VADDR) / Memory::PAGE_SIZE; + const u64 tls_slot = ((tls_address - Memory::TLS_AREA_VADDR) % Memory::PAGE_SIZE) / Memory::TLS_ENTRY_SIZE; Core::CurrentProcess()->tls_slots[tls_page].reset(tls_slot); } @@ -336,38 +335,10 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point, auto& tls_slots = owner_process->tls_slots; auto [available_page, available_slot, needs_allocation] = GetFreeThreadLocalSlot(tls_slots); - if (needs_allocation) { - // There are no already-allocated pages with free slots, lets allocate a new one. - // TLS pages are allocated from the BASE region in the linear heap. - MemoryRegionInfo* memory_region = GetMemoryRegion(MemoryRegion::BASE); - auto& linheap_memory = memory_region->linear_heap_memory; - - if (linheap_memory->size() + Memory::PAGE_SIZE > memory_region->size) { - LOG_ERROR(Kernel_SVC, - "Not enough space in region to allocate a new TLS page for thread"); - return ERR_OUT_OF_MEMORY; - } - - size_t offset = linheap_memory->size(); - - // Allocate some memory from the end of the linear heap for this region. - linheap_memory->insert(linheap_memory->end(), Memory::PAGE_SIZE, 0); - memory_region->used += Memory::PAGE_SIZE; - owner_process->linear_heap_used += Memory::PAGE_SIZE; - tls_slots.emplace_back(0); // The page is completely available at the start available_page = tls_slots.size() - 1; available_slot = 0; // Use the first slot in the new page - - auto& vm_manager = owner_process->vm_manager; - vm_manager.RefreshMemoryBlockMappings(linheap_memory.get()); - - // Map the page to the current process' address space. - // TODO(Subv): Find the correct MemoryState for this region. - vm_manager.MapMemoryBlock(Memory::TLS_AREA_VADDR + available_page * Memory::PAGE_SIZE, - linheap_memory, offset, Memory::PAGE_SIZE, - MemoryState::ThreadLocal); } // Mark the slot as used diff --git a/src/core/memory.cpp b/src/core/memory.cpp index e753e3436..0d41b2527 100644 --- a/src/core/memory.cpp +++ b/src/core/memory.cpp @@ -14,7 +14,6 @@ #include "common/swap.h" #include "core/arm/arm_interface.h" #include "core/core.h" -#include "core/hle/kernel/memory.h" #include "core/hle/kernel/process.h" #include "core/hle/lock.h" #include "core/memory.h" @@ -24,8 +23,6 @@ namespace Memory { -static std::array<u8, Memory::VRAM_SIZE> vram; - static PageTable* current_page_table = nullptr; void SetCurrentPageTable(PageTable* page_table) { @@ -242,10 +239,6 @@ bool IsKernelVirtualAddress(const VAddr vaddr) { return KERNEL_REGION_VADDR <= vaddr && vaddr < KERNEL_REGION_END; } -bool IsValidPhysicalAddress(const PAddr paddr) { - return GetPhysicalPointer(paddr) != nullptr; -} - u8* GetPointer(const VAddr vaddr) { u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS]; if (page_pointer) { @@ -274,61 +267,6 @@ std::string ReadCString(VAddr vaddr, std::size_t max_length) { return string; } -u8* GetPhysicalPointer(PAddr address) { - struct MemoryArea { - PAddr paddr_base; - u32 size; - }; - - static constexpr MemoryArea memory_areas[] = { - {VRAM_PADDR, VRAM_SIZE}, - {IO_AREA_PADDR, IO_AREA_SIZE}, - {DSP_RAM_PADDR, DSP_RAM_SIZE}, - {FCRAM_PADDR, FCRAM_N3DS_SIZE}, - }; - - const auto area = - std::find_if(std::begin(memory_areas), std::end(memory_areas), [&](const auto& area) { - return address >= area.paddr_base && address < area.paddr_base + area.size; - }); - - if (area == std::end(memory_areas)) { - LOG_ERROR(HW_Memory, "Unknown GetPhysicalPointer @ 0x{:016X}", address); - return nullptr; - } - - if (area->paddr_base == IO_AREA_PADDR) { - LOG_ERROR(HW_Memory, "MMIO mappings are not supported yet. phys_addr={:016X}", address); - return nullptr; - } - - u64 offset_into_region = address - area->paddr_base; - - u8* target_pointer = nullptr; - switch (area->paddr_base) { - case VRAM_PADDR: - target_pointer = vram.data() + offset_into_region; - break; - case DSP_RAM_PADDR: - break; - case FCRAM_PADDR: - for (const auto& region : Kernel::memory_regions) { - if (offset_into_region >= region.base && - offset_into_region < region.base + region.size) { - target_pointer = - region.linear_heap_memory->data() + offset_into_region - region.base; - break; - } - } - ASSERT_MSG(target_pointer != nullptr, "Invalid FCRAM address"); - break; - default: - UNREACHABLE(); - } - - return target_pointer; -} - void RasterizerMarkRegionCached(Tegra::GPUVAddr gpu_addr, u64 size, bool cached) { if (gpu_addr == 0) { return; @@ -666,48 +604,4 @@ void CopyBlock(VAddr dest_addr, VAddr src_addr, size_t size) { CopyBlock(*Core::CurrentProcess(), dest_addr, src_addr, size); } -boost::optional<PAddr> TryVirtualToPhysicalAddress(const VAddr addr) { - if (addr == 0) { - return 0; - } else if (addr >= VRAM_VADDR && addr < VRAM_VADDR_END) { - return addr - VRAM_VADDR + VRAM_PADDR; - } else if (addr >= LINEAR_HEAP_VADDR && addr < LINEAR_HEAP_VADDR_END) { - return addr - LINEAR_HEAP_VADDR + FCRAM_PADDR; - } else if (addr >= NEW_LINEAR_HEAP_VADDR && addr < NEW_LINEAR_HEAP_VADDR_END) { - return addr - NEW_LINEAR_HEAP_VADDR + FCRAM_PADDR; - } else if (addr >= DSP_RAM_VADDR && addr < DSP_RAM_VADDR_END) { - return addr - DSP_RAM_VADDR + DSP_RAM_PADDR; - } else if (addr >= IO_AREA_VADDR && addr < IO_AREA_VADDR_END) { - return addr - IO_AREA_VADDR + IO_AREA_PADDR; - } - - return boost::none; -} - -PAddr VirtualToPhysicalAddress(const VAddr addr) { - auto paddr = TryVirtualToPhysicalAddress(addr); - if (!paddr) { - LOG_ERROR(HW_Memory, "Unknown virtual address @ 0x{:016X}", addr); - // To help with debugging, set bit on address so that it's obviously invalid. - return addr | 0x80000000; - } - return *paddr; -} - -boost::optional<VAddr> PhysicalToVirtualAddress(const PAddr addr) { - if (addr == 0) { - return 0; - } else if (addr >= VRAM_PADDR && addr < VRAM_PADDR_END) { - return addr - VRAM_PADDR + VRAM_VADDR; - } else if (addr >= FCRAM_PADDR && addr < FCRAM_PADDR_END) { - return addr - FCRAM_PADDR + Core::CurrentProcess()->GetLinearHeapAreaAddress(); - } else if (addr >= DSP_RAM_PADDR && addr < DSP_RAM_PADDR_END) { - return addr - DSP_RAM_PADDR + DSP_RAM_VADDR; - } else if (addr >= IO_AREA_PADDR && addr < IO_AREA_PADDR_END) { - return addr - IO_AREA_PADDR + IO_AREA_VADDR; - } - - return boost::none; -} - } // namespace Memory diff --git a/src/core/memory.h b/src/core/memory.h index 8d5d017a4..b5d885b8a 100644 --- a/src/core/memory.h +++ b/src/core/memory.h @@ -6,12 +6,9 @@ #include <array> #include <cstddef> -#include <map> #include <string> #include <tuple> -#include <vector> #include <boost/icl/interval_map.hpp> -#include <boost/optional.hpp> #include "common/common_types.h" #include "core/memory_hook.h" #include "video_core/memory_manager.h" @@ -85,40 +82,6 @@ struct PageTable { std::array<PageType, PAGE_TABLE_NUM_ENTRIES> attributes; }; -/// Physical memory regions as seen from the ARM11 -enum : PAddr { - /// IO register area - IO_AREA_PADDR = 0x10100000, - IO_AREA_SIZE = 0x01000000, ///< IO area size (16MB) - IO_AREA_PADDR_END = IO_AREA_PADDR + IO_AREA_SIZE, - - /// MPCore internal memory region - MPCORE_RAM_PADDR = 0x17E00000, - MPCORE_RAM_SIZE = 0x00002000, ///< MPCore internal memory size (8KB) - MPCORE_RAM_PADDR_END = MPCORE_RAM_PADDR + MPCORE_RAM_SIZE, - - /// Video memory - VRAM_PADDR = 0x18000000, - VRAM_SIZE = 0x00600000, ///< VRAM size (6MB) - VRAM_PADDR_END = VRAM_PADDR + VRAM_SIZE, - - /// DSP memory - DSP_RAM_PADDR = 0x1FF00000, - DSP_RAM_SIZE = 0x00080000, ///< DSP memory size (512KB) - DSP_RAM_PADDR_END = DSP_RAM_PADDR + DSP_RAM_SIZE, - - /// AXI WRAM - AXI_WRAM_PADDR = 0x1FF80000, - AXI_WRAM_SIZE = 0x00080000, ///< AXI WRAM size (512KB) - AXI_WRAM_PADDR_END = AXI_WRAM_PADDR + AXI_WRAM_SIZE, - - /// Main FCRAM - FCRAM_PADDR = 0x20000000, - FCRAM_SIZE = 0x08000000, ///< FCRAM size on the Old 3DS (128MB) - FCRAM_N3DS_SIZE = 0x10000000, ///< FCRAM size on the New 3DS (256MB) - FCRAM_PADDR_END = FCRAM_PADDR + FCRAM_SIZE, -}; - /// Virtual user-space memory regions enum : VAddr { /// Where the application text, data and bss reside. @@ -126,24 +89,6 @@ enum : VAddr { PROCESS_IMAGE_MAX_SIZE = 0x08000000, PROCESS_IMAGE_VADDR_END = PROCESS_IMAGE_VADDR + PROCESS_IMAGE_MAX_SIZE, - /// Maps 1:1 to an offset in FCRAM. Used for HW allocations that need to be linear in physical - /// memory. - LINEAR_HEAP_VADDR = 0x14000000, - LINEAR_HEAP_SIZE = 0x08000000, - LINEAR_HEAP_VADDR_END = LINEAR_HEAP_VADDR + LINEAR_HEAP_SIZE, - - /// Maps 1:1 to the IO register area. - IO_AREA_VADDR = 0x1EC00000, - IO_AREA_VADDR_END = IO_AREA_VADDR + IO_AREA_SIZE, - - /// Maps 1:1 to VRAM. - VRAM_VADDR = 0x1F000000, - VRAM_VADDR_END = VRAM_VADDR + VRAM_SIZE, - - /// Maps 1:1 to DSP memory. - DSP_RAM_VADDR = 0x1FF00000, - DSP_RAM_VADDR_END = DSP_RAM_VADDR + DSP_RAM_SIZE, - /// Read-only page containing kernel and system configuration values. CONFIG_MEMORY_VADDR = 0x1FF80000, CONFIG_MEMORY_SIZE = 0x00001000, @@ -154,13 +99,8 @@ enum : VAddr { SHARED_PAGE_SIZE = 0x00001000, SHARED_PAGE_VADDR_END = SHARED_PAGE_VADDR + SHARED_PAGE_SIZE, - /// Equivalent to LINEAR_HEAP_VADDR, but expanded to cover the extra memory in the New 3DS. - NEW_LINEAR_HEAP_VADDR = 0x30000000, - NEW_LINEAR_HEAP_SIZE = 0x10000000, - NEW_LINEAR_HEAP_VADDR_END = NEW_LINEAR_HEAP_VADDR + NEW_LINEAR_HEAP_SIZE, - /// Area where TLS (Thread-Local Storage) buffers are allocated. - TLS_AREA_VADDR = NEW_LINEAR_HEAP_VADDR_END, + TLS_AREA_VADDR = 0x40000000, TLS_ENTRY_SIZE = 0x200, TLS_AREA_SIZE = 0x10000000, TLS_AREA_VADDR_END = TLS_AREA_VADDR + TLS_AREA_SIZE, @@ -205,8 +145,6 @@ bool IsValidVirtualAddress(const VAddr addr); /// Determines if the given VAddr is a kernel address bool IsKernelVirtualAddress(const VAddr addr); -bool IsValidPhysicalAddress(const PAddr addr); - u8 Read8(VAddr addr); u16 Read16(VAddr addr); u32 Read32(VAddr addr); @@ -230,30 +168,6 @@ u8* GetPointer(VAddr virtual_address); std::string ReadCString(VAddr virtual_address, std::size_t max_length); -/** - * Converts a virtual address inside a region with 1:1 mapping to physical memory to a physical - * address. This should be used by services to translate addresses for use by the hardware. - */ -boost::optional<PAddr> TryVirtualToPhysicalAddress(VAddr addr); - -/** - * Converts a virtual address inside a region with 1:1 mapping to physical memory to a physical - * address. This should be used by services to translate addresses for use by the hardware. - * - * @deprecated Use TryVirtualToPhysicalAddress(), which reports failure. - */ -PAddr VirtualToPhysicalAddress(VAddr addr); - -/** - * Undoes a mapping performed by VirtualToPhysicalAddress(). - */ -boost::optional<VAddr> PhysicalToVirtualAddress(PAddr addr); - -/** - * Gets a pointer to the memory region beginning at the specified physical address. - */ -u8* GetPhysicalPointer(PAddr address); - enum class FlushMode { /// Write back modified surfaces to RAM Flush, diff --git a/src/tests/CMakeLists.txt b/src/tests/CMakeLists.txt index 6a0a62ecc..4d74bb395 100644 --- a/src/tests/CMakeLists.txt +++ b/src/tests/CMakeLists.txt @@ -3,7 +3,6 @@ add_executable(tests core/arm/arm_test_common.cpp core/arm/arm_test_common.h core/core_timing.cpp - core/memory/memory.cpp glad.cpp tests.cpp ) diff --git a/src/tests/core/memory/memory.cpp b/src/tests/core/memory/memory.cpp deleted file mode 100644 index 165496a54..000000000 --- a/src/tests/core/memory/memory.cpp +++ /dev/null @@ -1,56 +0,0 @@ -// Copyright 2017 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <catch.hpp> -#include "core/hle/kernel/memory.h" -#include "core/hle/kernel/process.h" -#include "core/memory.h" - -TEST_CASE("Memory::IsValidVirtualAddress", "[core][memory][!hide]") { - SECTION("these regions should not be mapped on an empty process") { - auto process = Kernel::Process::Create(""); - CHECK(Memory::IsValidVirtualAddress(*process, Memory::PROCESS_IMAGE_VADDR) == false); - CHECK(Memory::IsValidVirtualAddress(*process, Memory::HEAP_VADDR) == false); - CHECK(Memory::IsValidVirtualAddress(*process, Memory::LINEAR_HEAP_VADDR) == false); - CHECK(Memory::IsValidVirtualAddress(*process, Memory::VRAM_VADDR) == false); - CHECK(Memory::IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == false); - CHECK(Memory::IsValidVirtualAddress(*process, Memory::SHARED_PAGE_VADDR) == false); - CHECK(Memory::IsValidVirtualAddress(*process, Memory::TLS_AREA_VADDR) == false); - } - - SECTION("CONFIG_MEMORY_VADDR and SHARED_PAGE_VADDR should be valid after mapping them") { - auto process = Kernel::Process::Create(""); - Kernel::MapSharedPages(process->vm_manager); - CHECK(Memory::IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == true); - CHECK(Memory::IsValidVirtualAddress(*process, Memory::SHARED_PAGE_VADDR) == true); - } - - SECTION("special regions should be valid after mapping them") { - auto process = Kernel::Process::Create(""); - SECTION("VRAM") { - Kernel::HandleSpecialMapping(process->vm_manager, - {Memory::VRAM_VADDR, Memory::VRAM_SIZE, false, false}); - CHECK(Memory::IsValidVirtualAddress(*process, Memory::VRAM_VADDR) == true); - } - - SECTION("IO (Not yet implemented)") { - Kernel::HandleSpecialMapping( - process->vm_manager, {Memory::IO_AREA_VADDR, Memory::IO_AREA_SIZE, false, false}); - CHECK_FALSE(Memory::IsValidVirtualAddress(*process, Memory::IO_AREA_VADDR) == true); - } - - SECTION("DSP") { - Kernel::HandleSpecialMapping( - process->vm_manager, {Memory::DSP_RAM_VADDR, Memory::DSP_RAM_SIZE, false, false}); - CHECK(Memory::IsValidVirtualAddress(*process, Memory::DSP_RAM_VADDR) == true); - } - } - - SECTION("Unmapping a VAddr should make it invalid") { - auto process = Kernel::Process::Create(""); - Kernel::MapSharedPages(process->vm_manager); - process->vm_manager.UnmapRange(Memory::CONFIG_MEMORY_VADDR, Memory::CONFIG_MEMORY_SIZE); - CHECK(Memory::IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == false); - } -} |