diff options
Diffstat (limited to 'src/core/hle/kernel/process.cpp')
-rw-r--r-- | src/core/hle/kernel/process.cpp | 91 |
1 files changed, 16 insertions, 75 deletions
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp index 420218d59..4ecb8c926 100644 --- a/src/core/hle/kernel/process.cpp +++ b/src/core/hle/kernel/process.cpp @@ -4,12 +4,11 @@ #include <algorithm> #include <memory> +#include <random> #include "common/assert.h" -#include "common/common_funcs.h" #include "common/logging/log.h" #include "core/core.h" #include "core/file_sys/program_metadata.h" -#include "core/hle/kernel/errors.h" #include "core/hle/kernel/kernel.h" #include "core/hle/kernel/process.h" #include "core/hle/kernel/resource_limit.h" @@ -17,6 +16,7 @@ #include "core/hle/kernel/thread.h" #include "core/hle/kernel/vm_manager.h" #include "core/memory.h" +#include "core/settings.h" namespace Kernel { @@ -29,16 +29,25 @@ SharedPtr<Process> Process::Create(KernelCore& kernel, std::string&& name) { process->name = std::move(name); process->flags.raw = 0; process->flags.memory_region.Assign(MemoryRegion::APPLICATION); - process->resource_limit = kernel.ResourceLimitForCategory(ResourceLimitCategory::APPLICATION); + process->resource_limit = kernel.GetSystemResourceLimit(); process->status = ProcessStatus::Created; process->program_id = 0; process->process_id = kernel.CreateNewProcessID(); process->svc_access_mask.set(); + std::mt19937 rng(Settings::values.rng_seed.value_or(0)); + std::uniform_int_distribution<u64> distribution; + std::generate(process->random_entropy.begin(), process->random_entropy.end(), + [&] { return distribution(rng); }); + kernel.AppendNewProcess(process); return process; } +SharedPtr<ResourceLimit> Process::GetResourceLimit() const { + return resource_limit; +} + void Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) { program_id = metadata.GetTitleID(); is_64bit_process = metadata.Is64BitProgram(); @@ -241,83 +250,15 @@ void Process::LoadModule(CodeSet module_, VAddr base_addr) { } ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission perms) { - if (target < vm_manager.GetHeapRegionBaseAddress() || - target + size > vm_manager.GetHeapRegionEndAddress() || target + size < target) { - return ERR_INVALID_ADDRESS; - } - - if (heap_memory == nullptr) { - // Initialize heap - heap_memory = std::make_shared<std::vector<u8>>(); - heap_start = heap_end = target; - } else { - vm_manager.UnmapRange(heap_start, heap_end - heap_start); - } - - // If necessary, expand backing vector to cover new heap extents. - if (target < heap_start) { - heap_memory->insert(begin(*heap_memory), heap_start - target, 0); - heap_start = target; - vm_manager.RefreshMemoryBlockMappings(heap_memory.get()); - } - if (target + size > heap_end) { - heap_memory->insert(end(*heap_memory), (target + size) - heap_end, 0); - heap_end = target + size; - vm_manager.RefreshMemoryBlockMappings(heap_memory.get()); - } - ASSERT(heap_end - heap_start == heap_memory->size()); - - CASCADE_RESULT(auto vma, vm_manager.MapMemoryBlock(target, heap_memory, target - heap_start, - size, MemoryState::Heap)); - vm_manager.Reprotect(vma, perms); - - heap_used = size; - - return MakeResult<VAddr>(heap_end - size); + return vm_manager.HeapAllocate(target, size, perms); } ResultCode Process::HeapFree(VAddr target, u32 size) { - if (target < vm_manager.GetHeapRegionBaseAddress() || - target + size > vm_manager.GetHeapRegionEndAddress() || target + size < target) { - return ERR_INVALID_ADDRESS; - } - - if (size == 0) { - return RESULT_SUCCESS; - } - - ResultCode result = vm_manager.UnmapRange(target, size); - if (result.IsError()) - return result; - - heap_used -= size; - - return RESULT_SUCCESS; + return vm_manager.HeapFree(target, size); } -ResultCode Process::MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size) { - auto vma = vm_manager.FindVMA(src_addr); - - 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 = src_addr - vma->first; - ASSERT_MSG(vma_offset + size <= vma->second.size, - "Shared memory exceeds bounds of mapped block"); - - const std::shared_ptr<std::vector<u8>>& backing_block = vma->second.backing_block; - std::size_t backing_block_offset = vma->second.offset + vma_offset; - - CASCADE_RESULT(auto new_vma, - vm_manager.MapMemoryBlock(dst_addr, backing_block, backing_block_offset, size, - MemoryState::Mapped)); - // Protect mirror with permissions from old region - vm_manager.Reprotect(new_vma, vma->second.permissions); - // Remove permissions from old region - vm_manager.Reprotect(vma, VMAPermission::None); - - return RESULT_SUCCESS; +ResultCode Process::MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size, MemoryState state) { + return vm_manager.MirrorMemory(dst_addr, src_addr, size, state); } ResultCode Process::UnmapMemory(VAddr dst_addr, VAddr /*src_addr*/, u64 size) { |