citra/citra-canary
1
0
Fork 0
mirror of https://github.com/citra-emu/citra-canary.git synced 2024-12-24 19:25:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

ldr_ro: create per-client storage; pass process where needed

Browse source
This commit is contained in:
wwylele 2017-12-05 21:05:40 +02:00
parent 8e4e663113
commit 9749a43cc4
4 changed files with 77 additions and 56 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

114
src/core/hle/service/ldr_ro/ldr_ro.cpp
View file

@ -40,9 +40,9 @@ static const ResultCode ERROR_NOT_LOADED = // 0xD8A12C0D
ResultCode(static_cast<ErrorDescription>(13), ErrorModule::RO, ErrorSummary::InvalidState,
ErrorLevel::Permanent);
static bool VerifyBufferState(VAddr buffer_ptr, u32 size) {
auto vma = Kernel::g_current_process->vm_manager.FindVMA(buffer_ptr);
return vma != Kernel::g_current_process->vm_manager.vma_map.end() &&
static bool VerifyBufferState(Kernel::Process& process, VAddr buffer_ptr, u32 size) {
auto vma = process.vm_manager.FindVMA(buffer_ptr);
return vma != process.vm_manager.vma_map.end() &&
vma->second.base + vma->second.size >= buffer_ptr + size &&
vma->second.permissions == Kernel::VMAPermission::ReadWrite &&
vma->second.meminfo_state == Kernel::MemoryState::Private;
@ -63,12 +63,15 @@ void RO::Initialize(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
if (loaded_crs != 0) {
auto insert_result = slots.insert({process->process_id, {}});
if (!insert_result.second) {
LOG_ERROR(Service_LDR, "Already initialized");
rb.Push(ERROR_ALREADY_INITIALIZED);
return;
}
auto& slot = insert_result.first->second;
if (crs_size < CRO_HEADER_SIZE) {
LOG_ERROR(Service_LDR, "CRS is too small");
rb.Push(ERROR_BUFFER_TOO_SMALL);
@ -93,7 +96,7 @@ void RO::Initialize(Kernel::HLERequestContext& ctx) {
return;
}
if (!VerifyBufferState(crs_buffer_ptr, crs_size)) {
if (!VerifyBufferState(*process, crs_buffer_ptr, crs_size)) {
LOG_ERROR(Service_LDR, "CRS original buffer is in invalid state");
rb.Push(ERROR_INVALID_MEMORY_STATE);
return;
@ -112,7 +115,7 @@ void RO::Initialize(Kernel::HLERequestContext& ctx) {
// TODO(wwylele): should be memory aliasing
std::shared_ptr<std::vector<u8>> crs_mem = std::make_shared<std::vector<u8>>(crs_size);
Memory::ReadBlock(crs_buffer_ptr, crs_mem->data(), crs_size);
result = Kernel::g_current_process->vm_manager
result = process->vm_manager
.MapMemoryBlock(crs_address, crs_mem, 0, crs_size, Kernel::MemoryState::Code)
.Code();
if (result.IsError()) {
@ -121,15 +124,15 @@ void RO::Initialize(Kernel::HLERequestContext& ctx) {
return;
}
result = Kernel::g_current_process->vm_manager.ReprotectRange(crs_address, crs_size,
Kernel::VMAPermission::Read);
result =
process->vm_manager.ReprotectRange(crs_address, crs_size, Kernel::VMAPermission::Read);
if (result.IsError()) {
LOG_ERROR(Service_LDR, "Error reprotecting memory block %08X", result.raw);
rb.Push(result);
return;
}
memory_synchronizer.AddMemoryBlock(crs_address, crs_buffer_ptr, crs_size);
slot.memory_synchronizer.AddMemoryBlock(crs_address, crs_buffer_ptr, crs_size);
} else {
// Do nothing if buffer_ptr == address
// TODO(wwylele): verify this behaviour. This is only seen in the web browser app,
@ -148,9 +151,9 @@ void RO::Initialize(Kernel::HLERequestContext& ctx) {
return;
}
memory_synchronizer.SynchronizeOriginalMemory();
slot.memory_synchronizer.SynchronizeOriginalMemory(*process);
loaded_crs = crs_address;
slot.loaded_crs = crs_address;
rb.Push(RESULT_SUCCESS);
}
@ -204,12 +207,14 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) {
IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
if (loaded_crs == 0) {
auto find_result = slots.find(process->process_id);
if (find_result == slots.end()) {
LOG_ERROR(Service_LDR, "Not initialized");
rb.Push(ERROR_NOT_INITIALIZED);
rb.Push<u32>(0);
return;
}
auto& slot = find_result->second;
if (cro_size < CRO_HEADER_SIZE) {
LOG_ERROR(Service_LDR, "CRO too small");
@ -239,7 +244,7 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) {
return;
}
if (!VerifyBufferState(cro_buffer_ptr, cro_size)) {
if (!VerifyBufferState(*process, cro_buffer_ptr, cro_size)) {
LOG_ERROR(Service_LDR, "CRO original buffer is in invalid state");
rb.Push(ERROR_INVALID_MEMORY_STATE);
rb.Push<u32>(0);
@ -268,7 +273,7 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) {
// TODO(wwylele): should be memory aliasing
std::shared_ptr<std::vector<u8>> cro_mem = std::make_shared<std::vector<u8>>(cro_size);
Memory::ReadBlock(cro_buffer_ptr, cro_mem->data(), cro_size);
result = Kernel::g_current_process->vm_manager
result = process->vm_manager
.MapMemoryBlock(cro_address, cro_mem, 0, cro_size, Kernel::MemoryState::Code)
.Code();
if (result.IsError()) {
@ -278,17 +283,17 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) {
return;
}
result = Kernel::g_current_process->vm_manager.ReprotectRange(cro_address, cro_size,
Kernel::VMAPermission::Read);
result =
process->vm_manager.ReprotectRange(cro_address, cro_size, Kernel::VMAPermission::Read);
if (result.IsError()) {
LOG_ERROR(Service_LDR, "Error reprotecting memory block %08X", result.raw);
Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size);
process->vm_manager.UnmapRange(cro_address, cro_size);
rb.Push(result);
rb.Push<u32>(0);
return;
}
memory_synchronizer.AddMemoryBlock(cro_address, cro_buffer_ptr, cro_size);
slot.memory_synchronizer.AddMemoryBlock(cro_address, cro_buffer_ptr, cro_size);
} else {
// Do nothing if buffer_ptr == address
// TODO(wwylele): verify this behaviour.
@ -303,45 +308,44 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) {
result = cro.VerifyHash(cro_size, crr_address);
if (result.IsError()) {
LOG_ERROR(Service_LDR, "Error verifying CRO in CRR %08X", result.raw);
Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size);
process->vm_manager.UnmapRange(cro_address, cro_size);
rb.Push(result);
rb.Push<u32>(0);
return;
}
result = cro.Rebase(loaded_crs, cro_size, data_segment_address, data_segment_size,
result = cro.Rebase(slot.loaded_crs, cro_size, data_segment_address, data_segment_size,
bss_segment_address, bss_segment_size, false);
if (result.IsError()) {
LOG_ERROR(Service_LDR, "Error rebasing CRO %08X", result.raw);
Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size);
process->vm_manager.UnmapRange(cro_address, cro_size);
rb.Push(result);
rb.Push<u32>(0);
return;
}
result = cro.Link(loaded_crs, link_on_load_bug_fix);
result = cro.Link(slot.loaded_crs, link_on_load_bug_fix);
if (result.IsError()) {
LOG_ERROR(Service_LDR, "Error linking CRO %08X", result.raw);
Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size);
process->vm_manager.UnmapRange(cro_address, cro_size);
rb.Push(result);
rb.Push<u32>(0);
return;
}
cro.Register(loaded_crs, auto_link);
cro.Register(slot.loaded_crs, auto_link);
u32 fix_size = cro.Fix(fix_level);
memory_synchronizer.SynchronizeOriginalMemory();
slot.memory_synchronizer.SynchronizeOriginalMemory(*process);
// TODO(wwylele): verify the behaviour when buffer_ptr == address
if (cro_buffer_ptr != cro_address) {
if (fix_size != cro_size) {
result = Kernel::g_current_process->vm_manager.UnmapRange(cro_address + fix_size,
cro_size - fix_size);
result = process->vm_manager.UnmapRange(cro_address + fix_size, cro_size - fix_size);
if (result.IsError()) {
LOG_ERROR(Service_LDR, "Error unmapping memory block %08X", result.raw);
Kernel::g_current_process->vm_manager.UnmapRange(cro_address, cro_size);
process->vm_manager.UnmapRange(cro_address, cro_size);
rb.Push(result);
rb.Push<u32>(0);
return;
@ -349,18 +353,18 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) {
}
// Changes the block size
memory_synchronizer.ResizeMemoryBlock(cro_address, cro_buffer_ptr, fix_size);
slot.memory_synchronizer.ResizeMemoryBlock(cro_address, cro_buffer_ptr, fix_size);
}
VAddr exe_begin;
u32 exe_size;
std::tie(exe_begin, exe_size) = cro.GetExecutablePages();
if (exe_begin) {
result = Kernel::g_current_process->vm_manager.ReprotectRange(
exe_begin, exe_size, Kernel::VMAPermission::ReadExecute);
result = process->vm_manager.ReprotectRange(exe_begin, exe_size,
Kernel::VMAPermission::ReadExecute);
if (result.IsError()) {
LOG_ERROR(Service_LDR, "Error reprotecting memory block %08X", result.raw);
Kernel::g_current_process->vm_manager.UnmapRange(cro_address, fix_size);
process->vm_manager.UnmapRange(cro_address, fix_size);
rb.Push(result);
rb.Push<u32>(0);
return;
@ -389,11 +393,13 @@ void RO::UnloadCRO(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
if (loaded_crs == 0) {
auto find_result = slots.find(process->process_id);
if (find_result == slots.end()) {
LOG_ERROR(Service_LDR, "Not initialized");
rb.Push(ERROR_NOT_INITIALIZED);
return;
}
auto& slot = find_result->second;
if (cro_address & Memory::PAGE_MASK) {
LOG_ERROR(Service_LDR, "CRO address is not aligned");
@ -411,9 +417,9 @@ void RO::UnloadCRO(Kernel::HLERequestContext& ctx) {
u32 fixed_size = cro.GetFixedSize();
cro.Unregister(loaded_crs);
cro.Unregister(slot.loaded_crs);
ResultCode result = cro.Unlink(loaded_crs);
ResultCode result = cro.Unlink(slot.loaded_crs);
if (result.IsError()) {
LOG_ERROR(Service_LDR, "Error unlinking CRO %08X", result.raw);
rb.Push(result);
@ -433,15 +439,15 @@ void RO::UnloadCRO(Kernel::HLERequestContext& ctx) {
cro.Unrebase(false);
memory_synchronizer.SynchronizeOriginalMemory();
slot.memory_synchronizer.SynchronizeOriginalMemory(*process);
// TODO(wwylele): verify the behaviour when buffer_ptr == address
if (cro_address != cro_buffer_ptr) {
result = Kernel::g_current_process->vm_manager.UnmapRange(cro_address, fixed_size);
result = process->vm_manager.UnmapRange(cro_address, fixed_size);
if (result.IsError()) {
LOG_ERROR(Service_LDR, "Error unmapping CRO %08X", result.raw);
}
memory_synchronizer.RemoveMemoryBlock(cro_address, cro_buffer_ptr);
slot.memory_synchronizer.RemoveMemoryBlock(cro_address, cro_buffer_ptr);
}
Core::CPU().InvalidateCacheRange(cro_address, fixed_size);
@ -460,11 +466,13 @@ void RO::LinkCRO(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
if (loaded_crs == 0) {
auto find_result = slots.find(process->process_id);
if (find_result == slots.end()) {
LOG_ERROR(Service_LDR, "Not initialized");
rb.Push(ERROR_NOT_INITIALIZED);
return;
}
auto& slot = find_result->second;
if (cro_address & Memory::PAGE_MASK) {
LOG_ERROR(Service_LDR, "CRO address is not aligned");
@ -480,12 +488,12 @@ void RO::LinkCRO(Kernel::HLERequestContext& ctx) {
LOG_INFO(Service_LDR, "Linking CRO \"%s\"", cro.ModuleName().data());
ResultCode result = cro.Link(loaded_crs, false);
ResultCode result = cro.Link(slot.loaded_crs, false);
if (result.IsError()) {
LOG_ERROR(Service_LDR, "Error linking CRO %08X", result.raw);
}
memory_synchronizer.SynchronizeOriginalMemory();
slot.memory_synchronizer.SynchronizeOriginalMemory(*process);
rb.Push(result);
}
@ -501,11 +509,13 @@ void RO::UnlinkCRO(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
if (loaded_crs == 0) {
auto find_result = slots.find(process->process_id);
if (find_result == slots.end()) {
LOG_ERROR(Service_LDR, "Not initialized");
rb.Push(ERROR_NOT_INITIALIZED);
return;
}
auto& slot = find_result->second;
if (cro_address & Memory::PAGE_MASK) {
LOG_ERROR(Service_LDR, "CRO address is not aligned");
@ -521,12 +531,12 @@ void RO::UnlinkCRO(Kernel::HLERequestContext& ctx) {
LOG_INFO(Service_LDR, "Unlinking CRO \"%s\"", cro.ModuleName().data());
ResultCode result = cro.Unlink(loaded_crs);
ResultCode result = cro.Unlink(slot.loaded_crs);
if (result.IsError()) {
LOG_ERROR(Service_LDR, "Error unlinking CRO %08X", result.raw);
}
memory_synchronizer.SynchronizeOriginalMemory();
slot.memory_synchronizer.SynchronizeOriginalMemory(*process);
rb.Push(result);
}
@ -540,29 +550,31 @@ void RO::Shutdown(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
if (loaded_crs == 0) {
auto find_result = slots.find(process->process_id);
if (find_result == slots.end()) {
LOG_ERROR(Service_LDR, "Not initialized");
rb.Push(ERROR_NOT_INITIALIZED);
return;
}
auto& slot = find_result->second;
CROHelper crs(loaded_crs);
CROHelper crs(slot.loaded_crs);
crs.Unrebase(true);
memory_synchronizer.SynchronizeOriginalMemory();
slot.memory_synchronizer.SynchronizeOriginalMemory(*process);
ResultCode result = RESULT_SUCCESS;
// TODO(wwylele): verify the behaviour when buffer_ptr == address
if (loaded_crs != crs_buffer_ptr) {
result = Kernel::g_current_process->vm_manager.UnmapRange(loaded_crs, crs.GetFileSize());
if (slot.loaded_crs != crs_buffer_ptr) {
result = process->vm_manager.UnmapRange(slot.loaded_crs, crs.GetFileSize());
if (result.IsError()) {
LOG_ERROR(Service_LDR, "Error unmapping CRS %08X", result.raw);
}
memory_synchronizer.RemoveMemoryBlock(loaded_crs, crs_buffer_ptr);
slot.memory_synchronizer.RemoveMemoryBlock(slot.loaded_crs, crs_buffer_ptr);
}
loaded_crs = 0;
slots.erase(find_result);
rb.Push(result);
}

8
src/core/hle/service/ldr_ro/ldr_ro.h
View file

@ -4,6 +4,7 @@
#pragma once
#include <unordered_map>
#include "core/hle/service/ldr_ro/memory_synchronizer.h"
#include "core/hle/service/service.h"
@ -144,8 +145,11 @@ private:
*/
void Shutdown(Kernel::HLERequestContext& self);
MemorySynchronizer memory_synchronizer;
VAddr loaded_crs = 0; ///< the virtual address of the static module
struct ClientSlot {
MemorySynchronizer memory_synchronizer;
VAddr loaded_crs = 0; ///< the virtual address of the static module
};
std::unordered_map<u32, ClientSlot> slots;
};
void InstallInterfaces(SM::ServiceManager& service_manager);

5
src/core/hle/service/ldr_ro/memory_synchronizer.cpp
View file

@ -4,6 +4,7 @@
#include <algorithm>
#include "common/assert.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/ldr_ro/memory_synchronizer.h"
namespace Service {
@ -32,9 +33,9 @@ void MemorySynchronizer::RemoveMemoryBlock(VAddr mapping, VAddr original) {
memory_blocks.erase(FindMemoryBlock(mapping, original));
}
void MemorySynchronizer::SynchronizeOriginalMemory() {
void MemorySynchronizer::SynchronizeOriginalMemory(Kernel::Process& process) {
for (auto& block : memory_blocks) {
Memory::CopyBlock(block.original, block.mapping, block.size);
Memory::CopyBlock(process, block.original, block.mapping, block.size);
}
}

6
src/core/hle/service/ldr_ro/memory_synchronizer.h
View file

@ -7,6 +7,10 @@
#include <vector>
#include "core/memory.h"
namespace Kernel {
class Process;
}
namespace Service {
namespace LDR {
@ -24,7 +28,7 @@ public:
void ResizeMemoryBlock(VAddr mapping, VAddr original, u32 size);
void RemoveMemoryBlock(VAddr mapping, VAddr original);
void SynchronizeOriginalMemory();
void SynchronizeOriginalMemory(Kernel::Process& process);
private:
struct MemoryBlock {