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core/memory: Get rid of 3DS leftovers

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Removes leftover code from citra that isn't needed.
This commit is contained in:
Lioncash 2018-08-02 23:37:44 -04:00
parent 00ba704a7f
commit 26de4bb521
16 changed files with 27 additions and 557 deletions
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78
src/core/hle/kernel/process.cpp
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@ -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;
}