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Merge branch 'memory'

This commit is contained in:
Ben Vanik 2015-05-19 20:29:00 -07:00
parent 3e9323b657 721974185f
commit 7a82ad839a
51 changed files with 1978 additions and 871 deletions
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37
src/xenia/apu/audio_system.cc
View File

@ -14,6 +14,7 @@
#include "xenia/base/math.h"
#include "xenia/cpu/processor.h"
#include "xenia/cpu/thread_state.h"
#include "xenia/kernel/objects/xthread.h"
#include "xenia/emulator.h"
#include "xenia/profiling.h"
@ -47,6 +48,7 @@ namespace xe {
namespace apu {
using namespace xe::cpu;
using namespace xe::kernel;
// Size of a hardware XMA context.
const uint32_t kXmaContextSize = 64;
@ -74,7 +76,7 @@ X_STATUS AudioSystem::Setup() {
processor_ = emulator_->processor();
// Let the processor know we want register access callbacks.
emulator_->memory()->AddMappedRange(
emulator_->memory()->AddVirtualMappedRange(
0x7FEA0000, 0xFFFF0000, 0x0000FFFF, this,
reinterpret_cast<MMIOReadCallback>(MMIOReadRegisterThunk),
reinterpret_cast<MMIOWriteCallback>(MMIOWriteRegisterThunk));
@ -89,25 +91,23 @@ X_STATUS AudioSystem::Setup() {
}
registers_.next_context = 1;
// Setup worker thread state. This lets us make calls into guest code.
thread_state_ = new ThreadState(emulator_->processor(), 0, 0, 128 * 1024, 0);
thread_state_->set_name("Audio Worker");
thread_block_ = memory()->SystemHeapAlloc(2048);
thread_state_->context()->r[13] = thread_block_;
// Setup our worker thread
std::function<int()> thread_fn = [this]() {
this->ThreadStart();
return 0;
};
// Create worker thread.
// This will initialize the audio system.
// Init needs to happen there so that any thread-local stuff
// is created on the right thread.
running_ = true;
thread_ = std::thread(std::bind(&AudioSystem::ThreadStart, this));
thread_ = std::make_unique<XHostThread>(emulator()->kernel_state(),
128 * 1024, 0, thread_fn);
thread_->Create();
return X_STATUS_SUCCESS;
}
void AudioSystem::ThreadStart() {
xe::threading::set_name("Audio Worker");
xe::Profiler::ThreadEnter("Audio Worker");
// Initialize driver and ringbuffer.
Initialize();
@ -135,7 +135,7 @@ void AudioSystem::ThreadStart() {
lock_.unlock();
if (client_callback) {
uint64_t args[] = {client_callback_arg};
processor->Execute(thread_state_, client_callback, args,
processor->Execute(thread_->thread_state(), client_callback, args,
xe::countof(args));
}
pumped++;
@ -157,8 +157,6 @@ void AudioSystem::ThreadStart() {
running_ = false;
// TODO(benvanik): call module API to kill?
xe::Profiler::ThreadExit();
}
void AudioSystem::Initialize() {}
@ -166,10 +164,7 @@ void AudioSystem::Initialize() {}
void AudioSystem::Shutdown() {
running_ = false;
ResetEvent(client_wait_handles_[maximum_client_count_]);
thread_.join();
delete thread_state_;
memory()->SystemHeapFree(thread_block_);
thread_->Wait(0, 0, 0, NULL);
memory()->SystemHeapFree(registers_.xma_context_array_ptr);
}
@ -252,7 +247,7 @@ void AudioSystem::UnregisterClient(size_t index) {
// piece of hardware:
// https://github.com/Free60Project/libxenon/blob/master/libxenon/drivers/xenon_sound/sound.c
uint64_t AudioSystem::ReadRegister(uint64_t addr) {
uint64_t AudioSystem::ReadRegister(uint32_t addr) {
uint32_t r = addr & 0xFFFF;
XELOGAPU("ReadRegister(%.4X)", r);
// 1800h is read on startup and stored -- context? buffers?
@ -277,7 +272,7 @@ uint64_t AudioSystem::ReadRegister(uint64_t addr) {
return value;
}
void AudioSystem::WriteRegister(uint64_t addr, uint64_t value) {
void AudioSystem::WriteRegister(uint32_t addr, uint64_t value) {
uint32_t r = addr & 0xFFFF;
value = xe::byte_swap(uint32_t(value));
XELOGAPU("WriteRegister(%.4X, %.8X)", r, value);

15
src/xenia/apu/audio_system.h
View File

@ -19,6 +19,9 @@
#include "xenia/xbox.h"
namespace xe {
namespace kernel { class XHostThread; }
namespace apu {
class AudioDriver;
@ -49,8 +52,8 @@ class AudioSystem {
AudioDriver** out_driver) = 0;
virtual void DestroyDriver(AudioDriver* driver) = 0;
virtual uint64_t ReadRegister(uint64_t addr);
virtual void WriteRegister(uint64_t addr, uint64_t value);
virtual uint64_t ReadRegister(uint32_t addr);
virtual void WriteRegister(uint32_t addr, uint64_t value);
protected:
virtual void Initialize();
@ -58,10 +61,10 @@ class AudioSystem {
private:
void ThreadStart();
static uint64_t MMIOReadRegisterThunk(AudioSystem* as, uint64_t addr) {
static uint64_t MMIOReadRegisterThunk(AudioSystem* as, uint32_t addr) {
return as->ReadRegister(addr);
}
static void MMIOWriteRegisterThunk(AudioSystem* as, uint64_t addr,
static void MMIOWriteRegisterThunk(AudioSystem* as, uint32_t addr,
uint64_t value) {
as->WriteRegister(addr, value);
}
@ -73,9 +76,7 @@ class AudioSystem {
Memory* memory_;
cpu::Processor* processor_;
std::thread thread_;
cpu::ThreadState* thread_state_;
uint32_t thread_block_;
std::unique_ptr<kernel::XHostThread> thread_;
std::atomic<bool> running_;
std::mutex lock_;

2
src/xenia/base/memory_generic.cc
View File

@ -23,7 +23,7 @@ size_t page_size() {
#if XE_PLATFORM_WIN32
SYSTEM_INFO si;
GetSystemInfo(&si);
value = si.dwPageSize;
value = si.dwAllocationGranularity;
#else
value = getpagesize();
#endif // XE_PLATFORM_WIN32

44
src/xenia/cpu/backend/x64/x64_sequences.cc
View File

@ -1673,6 +1673,49 @@ EMITTER_OPCODE_TABLE(
PREFETCH);
// ============================================================================
// OPCODE_MEMSET
// ============================================================================
EMITTER(MEMSET_I64_I8_I64, MATCH(I<OPCODE_MEMSET, VoidOp, I64<>, I8<>, I64<>>)) {
static void Emit(X64Emitter& e, const EmitArgType& i) {
assert_true(i.src2.is_constant);
assert_true(i.src3.is_constant);
assert_true(i.src2.constant() == 0);
e.vpxor(e.xmm0, e.xmm0);
auto addr = ComputeMemoryAddress(e, i.src1);
switch (i.src3.constant()) {
case 32:
e.vmovaps(e.ptr[addr + 0 * 16], e.xmm0);
e.vmovaps(e.ptr[addr + 1 * 16], e.xmm0);
break;
case 128:
e.vmovaps(e.ptr[addr + 0 * 16], e.xmm0);
e.vmovaps(e.ptr[addr + 1 * 16], e.xmm0);
e.vmovaps(e.ptr[addr + 2 * 16], e.xmm0);
e.vmovaps(e.ptr[addr + 3 * 16], e.xmm0);
e.vmovaps(e.ptr[addr + 4 * 16], e.xmm0);
e.vmovaps(e.ptr[addr + 5 * 16], e.xmm0);
e.vmovaps(e.ptr[addr + 6 * 16], e.xmm0);
e.vmovaps(e.ptr[addr + 7 * 16], e.xmm0);
break;
default:
assert_unhandled_case(i.src3.constant());
break;
}
if (IsTracingData()) {
addr = ComputeMemoryAddress(e, i.src1);
e.mov(e.r9, i.src3.constant());
e.mov(e.r8, i.src2.constant());
e.lea(e.rdx, e.ptr[addr]);
e.CallNative(reinterpret_cast<void*>(TraceMemset));
}
}
};
EMITTER_OPCODE_TABLE(
OPCODE_MEMSET,
MEMSET_I64_I8_I64);
// ============================================================================
// OPCODE_MAX
// ============================================================================
@ -6335,6 +6378,7 @@ void RegisterSequences() {
REGISTER_EMITTER_OPCODE_TABLE(OPCODE_STORE_CONTEXT);
REGISTER_EMITTER_OPCODE_TABLE(OPCODE_LOAD);
REGISTER_EMITTER_OPCODE_TABLE(OPCODE_STORE);
REGISTER_EMITTER_OPCODE_TABLE(OPCODE_MEMSET);
REGISTER_EMITTER_OPCODE_TABLE(OPCODE_PREFETCH);
REGISTER_EMITTER_OPCODE_TABLE(OPCODE_MAX);
REGISTER_EMITTER_OPCODE_TABLE(OPCODE_VECTOR_MAX);

12
src/xenia/cpu/backend/x64/x64_tracers.cc
View File

@ -28,10 +28,11 @@ namespace x64 {
#define TARGET_THREAD 1
#define IFLUSH() fflush(stdout)
#define IFLUSH() \
if (thread_state->thread_id() == TARGET_THREAD) fflush(stdout)
#define IPRINT \
if (thread_state->thread_id() == TARGET_THREAD) printf
#define DFLUSH() fflush(stdout)
#define DFLUSH() IFLUSH()
#define DPRINT \
DFLUSH(); \
if (thread_state->thread_id() == TARGET_THREAD) printf
@ -194,6 +195,13 @@ void TraceMemoryStoreV128(void* raw_context, uint32_t address, __m128 value) {
xe::m128_i32<3>(value));
}
void TraceMemset(void* raw_context, uint32_t address, uint8_t value,
uint32_t length) {
auto thread_state = *((ThreadState**)raw_context);
DPRINT("memset %.8X-%.8X (%d) = %.2X", address, address + length, length,
value);
}
} // namespace x64
} // namespace backend
} // namespace cpu

3
src/xenia/cpu/backend/x64/x64_tracers.h
View File

@ -64,6 +64,9 @@ void TraceMemoryStoreF32(void* raw_context, uint32_t address, __m128 value);
void TraceMemoryStoreF64(void* raw_context, uint32_t address, __m128 value);
void TraceMemoryStoreV128(void* raw_context, uint32_t address, __m128 value);
void TraceMemset(void* raw_context, uint32_t address, uint8_t value,
uint32_t length);
} // namespace x64
} // namespace backend
} // namespace cpu

21
src/xenia/cpu/frontend/ppc_emit_memory.cc
View File

@ -984,11 +984,24 @@ XEEMITTER(dcbtst, 0x7C0001EC, X)(PPCHIRBuilder& f, InstrData& i) {
}
XEEMITTER(dcbz, 0x7C0007EC, X)(PPCHIRBuilder& f, InstrData& i) {
// No-op for now.
// TODO(benvanik): use prefetch
// or dcbz128 0x7C2007EC
// XEINSTRNOTIMPLEMENTED();
f.Nop();
// EA <- (RA) + (RB)
// memset(EA & ~31, 0, 32)
Value* ea = CalculateEA_0(f, i.X.RA, i.X.RB);
int block_size;
int address_mask;
if (i.X.RT == 1) {
// dcbz128 - 128 byte set
block_size = 128;
address_mask = ~127;
}
else {
// dcbz - 32 byte set
block_size = 32;
address_mask = ~31;
}
f.Memset(f.And(ea, f.LoadConstant(int64_t(address_mask))),
f.LoadZero(INT8_TYPE), f.LoadConstant(int64_t(block_size)));
return 0;
}

7
src/xenia/cpu/frontend/test/xe-cpu-ppc-test.cc
View File

@ -197,9 +197,10 @@ class TestRunner {
// Simulate a thread.
uint32_t stack_size = 64 * 1024;
uint32_t stack_address = START_ADDRESS - stack_size;
uint32_t thread_state_address = stack_address - 0x1000;
thread_state.reset(new ThreadState(processor.get(), 0x100, stack_address,
stack_size, thread_state_address));
uint32_t pcr_address = stack_address - 0x1000;
thread_state.reset(new ThreadState(processor.get(), 0x100,
ThreadStackType::kUserStack,
stack_address, stack_size, pcr_address));
return true;
}

71
src/xenia/cpu/hir/hir_builder.cc
View File

@ -20,15 +20,27 @@ namespace xe {
namespace cpu {
namespace hir {
#define ASSERT_ADDRESS_TYPE(value)
#define ASSERT_INTEGER_TYPE(value)
#define ASSERT_FLOAT_TYPE(value)
#define ASSERT_NON_VECTOR_TYPE(value)
#define ASSERT_VECTOR_TYPE(value)
#define ASSERT_ADDRESS_TYPE(value) \
\
assert_true((value->type) == INT32_TYPE || (value->type) == INT64_TYPE)
#define ASSERT_INTEGER_TYPE(value) \
\
assert_true((value->type) == INT8_TYPE || (value->type) == INT16_TYPE || \
(value->type) == INT32_TYPE || (value->type) == INT64_TYPE)
#define ASSERT_FLOAT_TYPE(value) \
assert_true((value->type) == FLOAT32_TYPE || (value->type) == FLOAT64_TYPE)
#define ASSERT_NON_FLOAT_TYPE(value) \
\
assert_true((value->type) != FLOAT32_TYPE && (value->type) != FLOAT64_TYPE)
#define ASSERT_NON_VECTOR_TYPE(value) assert_false((value->type) == VEC128_TYPE)
#define ASSERT_VECTOR_TYPE(value) assert_true((value->type) == VEC128_TYPE)
#define ASSERT_FLOAT_OR_VECTOR_TYPE(value) \
assert_true((value->type) == FLOAT32_TYPE || \
(value->type) == FLOAT64_TYPE || (value->type) == VEC128_TYPE)
#define ASSERT_TYPES_EQUAL(value1, value2) \
assert_true((value1->type) == (value2->type))
HIRBuilder::HIRBuilder() {
HIRBuilder::HIRBuilder() {
arena_ = new Arena();
Reset();
}
@ -755,7 +767,7 @@ void HIRBuilder::ReturnTrue(Value* cond) {
return;
}
ASSERT_ADDRESS_TYPE(value);
ASSERT_ADDRESS_TYPE(cond);
Instr* i = AppendInstr(OPCODE_RETURN_TRUE_info, 0);
i->set_src1(cond);
i->src2.value = i->src3.value = NULL;
@ -873,8 +885,9 @@ Value* HIRBuilder::SignExtend(Value* value, TypeName target_type) {
}
Value* HIRBuilder::Truncate(Value* value, TypeName target_type) {
ASSERT_INTEGER_TYPE(value->type);
ASSERT_INTEGER_TYPE(target_type);
ASSERT_INTEGER_TYPE(value);
assert_true(target_type == INT8_TYPE || target_type == INT16_TYPE ||
target_type == INT32_TYPE || target_type == INT64_TYPE);
if (value->type == target_type) {
return value;
@ -908,7 +921,7 @@ Value* HIRBuilder::Convert(Value* value, TypeName target_type,
}
Value* HIRBuilder::Round(Value* value, RoundMode round_mode) {
ASSERT_FLOAT_TYPE(value);
ASSERT_FLOAT_OR_VECTOR_TYPE(value);
if (value->IsConstant()) {
Value* dest = CloneValue(value);
@ -1090,6 +1103,16 @@ void HIRBuilder::Store(Value* address, Value* value, uint32_t store_flags) {
i->src3.value = NULL;
}
void HIRBuilder::Memset(Value* address, Value* value, Value* length) {
ASSERT_ADDRESS_TYPE(address);
ASSERT_TYPES_EQUAL(address, length);
assert_true(value->type == INT8_TYPE);
Instr* i = AppendInstr(OPCODE_MEMSET_info, 0);
i->set_src1(address);
i->set_src2(value);
i->set_src3(length);
}
void HIRBuilder::Prefetch(Value* address, size_t length,
uint32_t prefetch_flags) {
ASSERT_ADDRESS_TYPE(address);
@ -1471,8 +1494,6 @@ Value* HIRBuilder::MulSub(Value* value1, Value* value2, Value* value3) {
}
Value* HIRBuilder::Neg(Value* value) {
ASSERT_NON_VECTOR_TYPE(value);
Instr* i = AppendInstr(OPCODE_NEG_info, 0, AllocValue(value->type));
i->set_src1(value);
i->src2.value = i->src3.value = NULL;
@ -1480,7 +1501,7 @@ Value* HIRBuilder::Neg(Value* value) {
}
Value* HIRBuilder::Abs(Value* value) {
ASSERT_NON_VECTOR_TYPE(value);
ASSERT_FLOAT_OR_VECTOR_TYPE(value);
Instr* i = AppendInstr(OPCODE_ABS_info, 0, AllocValue(value->type));
i->set_src1(value);
@ -1489,7 +1510,7 @@ Value* HIRBuilder::Abs(Value* value) {
}
Value* HIRBuilder::Sqrt(Value* value) {
ASSERT_FLOAT_TYPE(value);
ASSERT_FLOAT_OR_VECTOR_TYPE(value);
Instr* i = AppendInstr(OPCODE_SQRT_info, 0, AllocValue(value->type));
i->set_src1(value);
@ -1498,7 +1519,7 @@ Value* HIRBuilder::Sqrt(Value* value) {
}
Value* HIRBuilder::RSqrt(Value* value) {
ASSERT_FLOAT_TYPE(value);
ASSERT_FLOAT_OR_VECTOR_TYPE(value);
Instr* i = AppendInstr(OPCODE_RSQRT_info, 0, AllocValue(value->type));
i->set_src1(value);
@ -1507,7 +1528,7 @@ Value* HIRBuilder::RSqrt(Value* value) {
}
Value* HIRBuilder::Pow2(Value* value) {
ASSERT_FLOAT_TYPE(value);
ASSERT_FLOAT_OR_VECTOR_TYPE(value);
Instr* i = AppendInstr(OPCODE_POW2_info, 0, AllocValue(value->type));
i->set_src1(value);
@ -1516,7 +1537,7 @@ Value* HIRBuilder::Pow2(Value* value) {
}
Value* HIRBuilder::Log2(Value* value) {
ASSERT_FLOAT_TYPE(value);
ASSERT_FLOAT_OR_VECTOR_TYPE(value);
Instr* i = AppendInstr(OPCODE_LOG2_info, 0, AllocValue(value->type));
i->set_src1(value);
@ -1551,8 +1572,8 @@ Value* HIRBuilder::DotProduct4(Value* value1, Value* value2) {
}
Value* HIRBuilder::And(Value* value1, Value* value2) {
ASSERT_INTEGER_TYPE(value1);
ASSERT_INTEGER_TYPE(value2);
ASSERT_NON_FLOAT_TYPE(value1);
ASSERT_NON_FLOAT_TYPE(value2);
ASSERT_TYPES_EQUAL(value1, value2);
if (value1 == value2) {
@ -1571,8 +1592,8 @@ Value* HIRBuilder::And(Value* value1, Value* value2) {
}
Value* HIRBuilder::Or(Value* value1, Value* value2) {
ASSERT_INTEGER_TYPE(value1);
ASSERT_INTEGER_TYPE(value2);
ASSERT_NON_FLOAT_TYPE(value1);
ASSERT_NON_FLOAT_TYPE(value2);
ASSERT_TYPES_EQUAL(value1, value2);
if (value1 == value2) {
@ -1591,8 +1612,8 @@ Value* HIRBuilder::Or(Value* value1, Value* value2) {
}
Value* HIRBuilder::Xor(Value* value1, Value* value2) {
ASSERT_INTEGER_TYPE(value1);
ASSERT_INTEGER_TYPE(value2);
ASSERT_NON_FLOAT_TYPE(value1);
ASSERT_NON_FLOAT_TYPE(value2);
ASSERT_TYPES_EQUAL(value1, value2);
if (value1 == value2) {
@ -1607,7 +1628,7 @@ Value* HIRBuilder::Xor(Value* value1, Value* value2) {
}
Value* HIRBuilder::Not(Value* value) {
ASSERT_INTEGER_TYPE(value);
ASSERT_NON_FLOAT_TYPE(value);
if (value->IsConstant()) {
Value* dest = CloneValue(value);
@ -1657,7 +1678,7 @@ Value* HIRBuilder::VectorShl(Value* value1, Value* value2, TypeName part_type) {
}
Value* HIRBuilder::Shr(Value* value1, Value* value2) {
ASSERT_INTEGER_TYPE(value1);
ASSERT_NON_FLOAT_TYPE(value1);
ASSERT_INTEGER_TYPE(value2);
if (value2->IsConstantZero()) {

1
src/xenia/cpu/hir/hir_builder.h
View File

@ -132,6 +132,7 @@ class HIRBuilder {
Value* Load(Value* address, TypeName type, uint32_t load_flags = 0);
void Store(Value* address, Value* value, uint32_t store_flags = 0);
void Memset(Value* address, Value* value, Value* length);
void Prefetch(Value* address, size_t length, uint32_t prefetch_flags = 0);
Value* Max(Value* value1, Value* value2);

1
src/xenia/cpu/hir/opcodes.h
View File

@ -142,6 +142,7 @@ enum Opcode {
OPCODE_STORE_CONTEXT,
OPCODE_LOAD,
OPCODE_STORE,
OPCODE_MEMSET,
OPCODE_PREFETCH,
OPCODE_MAX,
OPCODE_VECTOR_MAX,

6
src/xenia/cpu/hir/opcodes.inl
View File

@ -224,6 +224,12 @@ DEFINE_OPCODE(
OPCODE_SIG_X_V_V,
OPCODE_FLAG_MEMORY)
DEFINE_OPCODE(
OPCODE_MEMSET,
"memset",
OPCODE_SIG_X_V_V_V,
0)
DEFINE_OPCODE(
OPCODE_PREFETCH,
"prefetch",

110
src/xenia/cpu/mmio_handler.cc
View File

@ -12,6 +12,7 @@
#include "xenia/base/assert.h"
#include "xenia/base/byte_order.h"
#include "xenia/base/math.h"
#include "xenia/base/memory.h"
namespace BE {
#include <beaengine/BeaEngine.h>
@ -23,9 +24,11 @@ namespace cpu {
MMIOHandler* MMIOHandler::global_handler_ = nullptr;
// Implemented in the platform cc file.
std::unique_ptr<MMIOHandler> CreateMMIOHandler(uint8_t* mapping_base);
std::unique_ptr<MMIOHandler> CreateMMIOHandler(uint8_t* virtual_membase,
uint8_t* physical_membase);
std::unique_ptr<MMIOHandler> MMIOHandler::Install(uint8_t* mapping_base) {
std::unique_ptr<MMIOHandler> MMIOHandler::Install(uint8_t* virtual_membase,
uint8_t* physical_membase) {
// There can be only one handler at a time.
assert_null(global_handler_);
if (global_handler_) {
@ -33,7 +36,7 @@ std::unique_ptr<MMIOHandler> MMIOHandler::Install(uint8_t* mapping_base) {
}
// Create the platform-specific handler.
auto handler = CreateMMIOHandler(mapping_base);
auto handler = CreateMMIOHandler(virtual_membase, physical_membase);
// Platform-specific initialization for the handler.
if (!handler->Initialize()) {
@ -49,45 +52,50 @@ MMIOHandler::~MMIOHandler() {
global_handler_ = nullptr;
}
bool MMIOHandler::RegisterRange(uint64_t address, uint64_t mask, uint64_t size,
void* context, MMIOReadCallback read_callback,
bool MMIOHandler::RegisterRange(uint32_t virtual_address, uint32_t mask,
uint32_t size, void* context,
MMIOReadCallback read_callback,
MMIOWriteCallback write_callback) {
mapped_ranges_.push_back({
reinterpret_cast<uint64_t>(mapping_base_) | address,
0xFFFFFFFF00000000ull | mask, size, context, read_callback,
write_callback,
virtual_address, mask, size, context, read_callback, write_callback,
});
return true;
}
bool MMIOHandler::CheckLoad(uint64_t address, uint64_t* out_value) {
bool MMIOHandler::CheckLoad(uint32_t virtual_address, uint64_t* out_value) {
for (const auto& range : mapped_ranges_) {
if (((address | (uint64_t)mapping_base_) & range.mask) == range.address) {
*out_value = static_cast<uint32_t>(range.read(range.context, address));
if ((virtual_address & range.mask) == range.address) {
*out_value =
static_cast<uint32_t>(range.read(range.context, virtual_address));
return true;
}
}
return false;
}
bool MMIOHandler::CheckStore(uint64_t address, uint64_t value) {
bool MMIOHandler::CheckStore(uint32_t virtual_address, uint64_t value) {
for (const auto& range : mapped_ranges_) {
if (((address | (uint64_t)mapping_base_) & range.mask) == range.address) {
range.write(range.context, address, value);
if ((virtual_address & range.mask) == range.address) {
range.write(range.context, virtual_address, value);
return true;
}
}
return false;
}
uintptr_t MMIOHandler::AddWriteWatch(uint32_t guest_address, size_t length,
WriteWatchCallback callback,
void* callback_context,
void* callback_data) {
uintptr_t MMIOHandler::AddPhysicalWriteWatch(uint32_t guest_address,
size_t length,
WriteWatchCallback callback,
void* callback_context,
void* callback_data) {
uint32_t base_address = guest_address;
if (base_address > 0xA0000000) {
base_address -= 0xA0000000;
}
assert_true(base_address < 0x1FFFFFFF);
// Can only protect sizes matching system page size.
// This means we need to round up, which will cause spurious access
// violations and invalidations.
// TODO(benvanik): only invalidate if actually within the region?
length = xe::round_up(length, xe::page_size());
// Add to table. The slot reservation may evict a previous watch, which
// could include our target, so we do it first.
@ -102,29 +110,29 @@ uintptr_t MMIOHandler::AddWriteWatch(uint32_t guest_address, size_t length,
write_watch_mutex_.unlock();
// Make the desired range read only under all address spaces.
auto host_address = mapping_base_ + base_address;
DWORD old_protect;
VirtualProtect(host_address, length, PAGE_READONLY, &old_protect);
VirtualProtect(host_address + 0xA0000000, length, PAGE_READONLY,
&old_protect);
VirtualProtect(host_address + 0xC0000000, length, PAGE_READONLY,
&old_protect);
VirtualProtect(host_address + 0xE0000000, length, PAGE_READONLY,
&old_protect);
VirtualProtect(physical_membase_ + entry->address, entry->length,
PAGE_READONLY, &old_protect);
VirtualProtect(virtual_membase_ + 0xA0000000 + entry->address, entry->length,
PAGE_READONLY, &old_protect);
VirtualProtect(virtual_membase_ + 0xC0000000 + entry->address, entry->length,
PAGE_READONLY, &old_protect);
VirtualProtect(virtual_membase_ + 0xE0000000 + entry->address, entry->length,
PAGE_READONLY, &old_protect);
return reinterpret_cast<uintptr_t>(entry);
}
void MMIOHandler::ClearWriteWatch(WriteWatchEntry* entry) {
auto host_address = mapping_base_ + entry->address;
DWORD old_protect;
VirtualProtect(host_address, entry->length, PAGE_READWRITE, &old_protect);
VirtualProtect(host_address + 0xA0000000, entry->length, PAGE_READWRITE,
&old_protect);
VirtualProtect(host_address + 0xC0000000, entry->length, PAGE_READWRITE,
&old_protect);
VirtualProtect(host_address + 0xE0000000, entry->length, PAGE_READWRITE,
&old_protect);
VirtualProtect(physical_membase_ + entry->address, entry->length,
PAGE_READWRITE, &old_protect);
VirtualProtect(virtual_membase_ + 0xA0000000 + entry->address, entry->length,
PAGE_READWRITE, &old_protect);
VirtualProtect(virtual_membase_ + 0xC0000000 + entry->address, entry->length,
PAGE_READWRITE, &old_protect);
VirtualProtect(virtual_membase_ + 0xE0000000 + entry->address, entry->length,
PAGE_READWRITE, &old_protect);
}
void MMIOHandler::CancelWriteWatch(uintptr_t watch_handle) {
@ -145,17 +153,16 @@ void MMIOHandler::CancelWriteWatch(uintptr_t watch_handle) {
}
bool MMIOHandler::CheckWriteWatch(void* thread_state, uint64_t fault_address) {
uint32_t guest_address = uint32_t(fault_address - uintptr_t(mapping_base_));
uint32_t base_address = guest_address;
if (base_address > 0xA0000000) {
base_address -= 0xA0000000;
uint32_t physical_address = uint32_t(fault_address);
if (physical_address > 0x1FFFFFFF) {
physical_address &= 0x1FFFFFFF;
}
std::list<WriteWatchEntry*> pending_invalidates;
write_watch_mutex_.lock();
for (auto it = write_watches_.begin(); it != write_watches_.end();) {
auto entry = *it;
if (entry->address <= base_address &&
entry->address + entry->length > base_address) {
if (entry->address <= physical_address &&
entry->address + entry->length > physical_address) {
// Hit!
pending_invalidates.push_back(entry);
// TODO(benvanik): outside of lock?
@ -176,7 +183,7 @@ bool MMIOHandler::CheckWriteWatch(void* thread_state, uint64_t fault_address) {
auto entry = pending_invalidates.back();
pending_invalidates.pop_back();
entry->callback(entry->callback_context, entry->callback_data,
guest_address);
physical_address);
delete entry;
}
// Range was watched, so lets eat this access violation.
@ -185,18 +192,21 @@ bool MMIOHandler::CheckWriteWatch(void* thread_state, uint64_t fault_address) {
bool MMIOHandler::HandleAccessFault(void* thread_state,
uint64_t fault_address) {
if (fault_address < uint64_t(mapping_base_)) {
if (fault_address < uint64_t(virtual_membase_)) {
// Quick kill anything below our mapping base.
return false;
}
// Access violations are pretty rare, so we can do a linear search here.
// Only check if in the virtual range, as we only support virtual ranges.
const MMIORange* range = nullptr;
for (const auto& test_range : mapped_ranges_) {
if ((fault_address & test_range.mask) == test_range.address) {
// Address is within the range of this mapping.
range = &test_range;
break;
if (fault_address < uint64_t(physical_membase_)) {
for (const auto& test_range : mapped_ranges_) {
if ((uint32_t(fault_address) & test_range.mask) == test_range.address) {
// Address is within the range of this mapping.
range = &test_range;
break;
}
}
}
if (!range) {

32
src/xenia/cpu/mmio_handler.h
View File

@ -18,8 +18,8 @@
namespace xe {
namespace cpu {
typedef uint64_t (*MMIOReadCallback)(void* context, uint64_t addr);
typedef void (*MMIOWriteCallback)(void* context, uint64_t addr, uint64_t value);
typedef uint64_t (*MMIOReadCallback)(void* context, uint32_t addr);
typedef void (*MMIOWriteCallback)(void* context, uint32_t addr, uint64_t value);
typedef void (*WriteWatchCallback)(void* context_ptr, void* data_ptr,
uint32_t address);
@ -29,19 +29,20 @@ class MMIOHandler {
public:
virtual ~MMIOHandler();
static std::unique_ptr<MMIOHandler> Install(uint8_t* mapping_base);
static std::unique_ptr<MMIOHandler> Install(uint8_t* virtual_membase,
uint8_t* physical_membase);
static MMIOHandler* global_handler() { return global_handler_; }
bool RegisterRange(uint64_t address, uint64_t mask, uint64_t size,
bool RegisterRange(uint32_t virtual_address, uint32_t mask, uint32_t size,
void* context, MMIOReadCallback read_callback,
MMIOWriteCallback write_callback);
bool CheckLoad(uint64_t address, uint64_t* out_value);
bool CheckStore(uint64_t address, uint64_t value);
bool CheckLoad(uint32_t virtual_address, uint64_t* out_value);
bool CheckStore(uint32_t virtual_address, uint64_t value);
uintptr_t AddWriteWatch(uint32_t guest_address, size_t length,
WriteWatchCallback callback, void* callback_context,
void* callback_data);
uintptr_t AddPhysicalWriteWatch(uint32_t guest_address, size_t length,
WriteWatchCallback callback,
void* callback_context, void* callback_data);
void CancelWriteWatch(uintptr_t watch_handle);
public:
@ -56,7 +57,9 @@ class MMIOHandler {
void* callback_data;
};
MMIOHandler(uint8_t* mapping_base) : mapping_base_(mapping_base) {}
MMIOHandler(uint8_t* virtual_membase, uint8_t* physical_membase)
: virtual_membase_(virtual_membase),
physical_membase_(physical_membase) {}
virtual bool Initialize() = 0;
@ -68,12 +71,13 @@ class MMIOHandler {
virtual uint64_t* GetThreadStateRegPtr(void* thread_state_ptr,
int32_t be_reg_index) = 0;
uint8_t* mapping_base_;
uint8_t* virtual_membase_;
uint8_t* physical_membase_;
struct MMIORange {
uint64_t address;
uint64_t mask;
uint64_t size;
uint32_t address;
uint32_t mask;
uint32_t size;
void* context;
MMIOReadCallback read;
MMIOWriteCallback write;

13
src/xenia/cpu/mmio_handler_win.cc
View File

@ -11,6 +11,10 @@
#include <Windows.h>
namespace xe {
void CrashDump();
} // namespace xe
namespace xe {
namespace cpu {
@ -18,7 +22,8 @@ LONG CALLBACK MMIOExceptionHandler(PEXCEPTION_POINTERS ex_info);
class WinMMIOHandler : public MMIOHandler {
public:
WinMMIOHandler(uint8_t* mapping_base) : MMIOHandler(mapping_base) {}
WinMMIOHandler(uint8_t* virtual_membase, uint8_t* physical_membase)
: MMIOHandler(virtual_membase, physical_membase) {}
~WinMMIOHandler() override;
protected:
@ -30,8 +35,9 @@ class WinMMIOHandler : public MMIOHandler {
int32_t be_reg_index) override;
};
std::unique_ptr<MMIOHandler> CreateMMIOHandler(uint8_t* mapping_base) {
return std::make_unique<WinMMIOHandler>(mapping_base);
std::unique_ptr<MMIOHandler> CreateMMIOHandler(uint8_t* virtual_membase,
uint8_t* physical_membase) {
return std::make_unique<WinMMIOHandler>(virtual_membase, physical_membase);
}
bool WinMMIOHandler::Initialize() {
@ -67,6 +73,7 @@ LONG CALLBACK MMIOExceptionHandler(PEXCEPTION_POINTERS ex_info) {
} else {
// Failed to handle; continue search for a handler (and die if no other
// handler is found).
xe::CrashDump();
return EXCEPTION_CONTINUE_SEARCH;
}
}

16
src/xenia/cpu/processor.cc
View File

@ -148,10 +148,16 @@ bool Processor::Setup() {
backend_ = std::move(backend);
frontend_ = std::move(frontend);
interrupt_thread_state_ = new ThreadState(this, 0, 0, 128 * 1024, 0);
interrupt_thread_state_ =
new ThreadState(this, 0, ThreadStackType::kKernelStack, 0, 128 * 1024, 0);
interrupt_thread_state_->set_name("Interrupt");
interrupt_thread_block_ = memory_->SystemHeapAlloc(2048);
interrupt_thread_state_->context()->r[13] = interrupt_thread_block_;
XELOGI("Interrupt Thread %X Stack: %.8X-%.8X",
interrupt_thread_state_->thread_id(),
interrupt_thread_state_->stack_address(),
interrupt_thread_state_->stack_address() +
interrupt_thread_state_->stack_size());
return true;
}
@ -325,16 +331,20 @@ bool Processor::Execute(ThreadState* thread_state, uint32_t address) {
PPCContext* context = thread_state->context();
// Setup registers.
uint64_t previous_lr = context->lr;
// Pad out stack a bit, as some games seem to overwrite the caller by about
// 16 to 32b.
context->r[1] -= 64 + 112;
// This could be set to anything to give us a unique identifier to track
// re-entrancy/etc.
uint64_t previous_lr = context->lr;
context->lr = 0xBEBEBEBE;
// Execute the function.
auto result = fn->Call(thread_state, uint32_t(context->lr));
context->lr = previous_lr;
context->r[1] += 64 + 112;
return result;
}

5
src/xenia/cpu/raw_module.cc
View File

@ -30,8 +30,11 @@ bool RawModule::LoadFile(uint32_t base_address, const std::wstring& path) {
// Allocate memory.
// Since we have no real heap just load it wherever.
base_address_ = base_address;
memory_->LookupHeap(base_address_)
->AllocFixed(base_address_, file_length, 0,
kMemoryAllocationReserve | kMemoryAllocationCommit,
kMemoryProtectRead | kMemoryProtectWrite);
uint8_t* p = memory_->TranslateVirtual(base_address_);
std::memset(p, 0, file_length);
// Read into memory.
fread(p, file_length, 1, file);

8
src/xenia/cpu/test/util.h
View File

@ -64,17 +64,15 @@ class TestFunction {
void Run(std::function<void(PPCContext*)> pre_call,
std::function<void(PPCContext*)> post_call) {
for (auto& processor : processors) {
memory->Zero(0, memory_size);
xe::cpu::Function* fn;
processor->ResolveFunction(0x1000, &fn);
uint32_t stack_size = 64 * 1024;
uint32_t stack_address = memory_size - stack_size;
uint32_t thread_state_address = stack_address - 0x1000;
auto thread_state =
std::make_unique<ThreadState>(processor.get(), 0x100, stack_address,
stack_size, thread_state_address);
auto thread_state = std::make_unique<ThreadState>(
processor.get(), 0x100, ThreadStackType::kUserStack, stack_address,
stack_size, thread_state_address);
auto ctx = thread_state->context();
ctx->lr = 0xBEBEBEBE;

56
src/xenia/cpu/thread_state.cc
View File

@ -10,6 +10,7 @@
#include "xenia/cpu/thread_state.h"
#include "xenia/base/assert.h"
#include "xenia/base/logging.h"
#include "xenia/base/threading.h"
#include "xenia/cpu/processor.h"
#include "xenia/debug/debugger.h"
@ -26,15 +27,16 @@ using PPCContext = xe::cpu::frontend::PPCContext;
thread_local ThreadState* thread_state_ = nullptr;
ThreadState::ThreadState(Processor* processor, uint32_t thread_id,
uint32_t stack_address, uint32_t stack_size,
uint32_t thread_state_address)
ThreadStackType stack_type, uint32_t stack_address,
uint32_t stack_size, uint32_t pcr_address)
: processor_(processor),
memory_(processor->memory()),
thread_id_(thread_id),
stack_type_(stack_type),
name_(""),
backend_data_(0),
stack_size_(stack_size),
thread_state_address_(thread_state_address) {
pcr_address_(pcr_address) {
if (thread_id_ == UINT_MAX) {
// System thread. Assign the system thread ID with a high bit
// set so people know what's up.
@ -43,22 +45,44 @@ ThreadState::ThreadState(Processor* processor, uint32_t thread_id,
}
backend_data_ = processor->backend()->AllocThreadData();
uint32_t stack_position;
if (!stack_address) {
// We must always allocate 64K as a guard region before stacks, as we can
// only Protect() on system page granularity.
stack_size = (stack_size + 0xFFF) & 0xFFFFF000;
uint32_t stack_alignment = (stack_size & 0xF000) ? 0x1000 : 0x10000;
uint32_t stack_padding = stack_alignment * 1;
uint32_t stack_padding = uint32_t(xe::page_size()); // Host page size.
uint32_t actual_stack_size = stack_padding + stack_size;
stack_address_ = memory()->SystemHeapAlloc(actual_stack_size, stack_alignment);
assert_true(!(stack_address & 0xFFF)); // just to be safe
stack_position = stack_address_ + actual_stack_size;
bool top_down;
switch (stack_type) {
case ThreadStackType::kKernelStack:
top_down = true;
break;
case ThreadStackType::kUserStack:
top_down = false;
break;
default:
assert_unhandled_case(stack_type);
break;
}
memory()
->LookupHeap(0x70000000)
->AllocRange(0x70000000, 0x7FFFFFFF, actual_stack_size, stack_alignment,
kMemoryAllocationReserve | kMemoryAllocationCommit,
kMemoryProtectRead | kMemoryProtectWrite, top_down,
&stack_address_);
assert_true(!(stack_address_ & 0xFFF)); // just to be safe
stack_allocated_ = true;
memset(memory()->TranslateVirtual(stack_address_), 0xBE, actual_stack_size);
memory()->Protect(stack_address_, stack_padding, X_PAGE_NOACCESS);
stack_base_ = stack_address_ + actual_stack_size;
stack_limit_ = stack_address_ + stack_padding;
memory()->Fill(stack_address_, actual_stack_size, 0xBE);
memory()
->LookupHeap(stack_address_)
->Protect(stack_address_, stack_padding, kMemoryProtectNoAccess);
} else {
stack_address_ = stack_address;
stack_position = stack_address_ + stack_size;
stack_allocated_ = false;
stack_base_ = stack_address_ + stack_size;
stack_limit_ = stack_address_;
}
assert_not_zero(stack_address_);
@ -78,12 +102,8 @@ ThreadState::ThreadState(Processor* processor, uint32_t thread_id,
context_->thread_id = thread_id_;
// Set initial registers.
context_->r[1] = stack_position;
context_->r[13] = thread_state_address_;
// Pad out stack a bit, as some games seem to overwrite the caller by about
// 16 to 32b.
context_->r[1] -= 64;
context_->r[1] = stack_base_;
context_->r[13] = pcr_address_;
processor_->debugger()->OnThreadCreated(this);
}
@ -100,7 +120,7 @@ ThreadState::~ThreadState() {
_aligned_free(context_);
if (stack_allocated_) {
memory()->SystemHeapFree(stack_address_);
memory()->LookupHeap(stack_address_)->Decommit(stack_address_, stack_size_);
}
}

20
src/xenia/cpu/thread_state.h
View File

@ -19,21 +19,30 @@ namespace cpu {
class Processor;
enum class ThreadStackType {
kKernelStack,
kUserStack,
};
class ThreadState {
public:
ThreadState(Processor* processor, uint32_t thread_id, uint32_t stack_address,
uint32_t stack_size, uint32_t thread_state_address);
ThreadState(Processor* processor, uint32_t thread_id,
ThreadStackType stack_type, uint32_t stack_address,
uint32_t stack_size, uint32_t pcr_address);
~ThreadState();
Processor* processor() const { return processor_; }
Memory* memory() const { return memory_; }
uint32_t thread_id() const { return thread_id_; }
ThreadStackType stack_type() const { return stack_type_; }
const std::string& name() const { return name_; }
void set_name(const std::string& value) { name_ = value; }
void* backend_data() const { return backend_data_; }
uint32_t stack_address() const { return stack_address_; }
uint32_t stack_size() const { return stack_size_; }
uint32_t thread_state_address() const { return thread_state_address_; }
uint32_t stack_base() const { return stack_base_; }
uint32_t stack_limit() const { return stack_limit_; }
uint32_t pcr_address() const { return pcr_address_; }
xe::cpu::frontend::PPCContext* context() const { return context_; }
bool Suspend() { return Suspend(~0); }
@ -48,12 +57,15 @@ class ThreadState {
Processor* processor_;
Memory* memory_;
uint32_t thread_id_;
ThreadStackType stack_type_;
std::string name_;
void* backend_data_;
uint32_t stack_address_;
bool stack_allocated_;
uint32_t stack_size_;
uint32_t thread_state_address_;
uint32_t stack_base_;
uint32_t stack_limit_;
uint32_t pcr_address_;
// NOTE: must be 64b aligned for SSE ops.
xe::cpu::frontend::PPCContext* context_;

130
src/xenia/cpu/xex_module.cc
View File

@ -18,21 +18,25 @@
#include "xenia/cpu/cpu-private.h"
#include "xenia/cpu/export_resolver.h"
#include "xenia/cpu/processor.h"
#include "xenia/kernel/kernel_state.h"
#include "xenia/kernel/objects/xmodule.h"
namespace xe {
namespace cpu {
using namespace xe::cpu;
using namespace xe::kernel;
using PPCContext = xe::cpu::frontend::PPCContext;
void UndefinedImport(PPCContext* ppc_state, void* arg0, void* arg1) {
XELOGE("call to undefined kernel import");
XELOGE("call to undefined import");
}
XexModule::XexModule(Processor* processor)
XexModule::XexModule(Processor* processor, KernelState* state)
: Module(processor),
processor_(processor),
kernel_state_(state),
xex_(nullptr),
base_address_(0),
low_address_(0),
@ -104,8 +108,25 @@ bool XexModule::SetupLibraryImports(const xe_xex2_import_library_t* library) {
for (size_t n = 0; n < import_info_count; n++) {
const xe_xex2_import_info_t* info = &import_infos[n];
KernelExport* kernel_export =
export_resolver->GetExportByOrdinal(library->name, info->ordinal);
// Strip off the extension (for the symbol name)
std::string libname = library->name;
auto dot = libname.find_last_of('.');
if (dot != libname.npos) {
libname = libname.substr(0, dot);
}
KernelExport* kernel_export = NULL; // kernel export info
uint32_t user_export_addr = 0; // user export address
if (kernel_state_->IsKernelModule(library->name)) {
kernel_export =
export_resolver->GetExportByOrdinal(library->name, info->ordinal);
} else {
XModule* module = kernel_state_->GetModule(library->name);
if (module) {
user_export_addr = module->GetProcAddressByOrdinal(info->ordinal);
}
}
if (kernel_export) {
if (info->thunk_address) {
@ -114,7 +135,7 @@ bool XexModule::SetupLibraryImports(const xe_xex2_import_library_t* library) {
snprintf(name, xe::countof(name), "%s", kernel_export->name);
}
} else {
snprintf(name, xe::countof(name), "__imp_%s_%.3X", library->name,
snprintf(name, xe::countof(name), "__imp_%s_%.3X", libname,
info->ordinal);
}
@ -127,8 +148,8 @@ bool XexModule::SetupLibraryImports(const xe_xex2_import_library_t* library) {
var_info->set_status(SymbolInfo::STATUS_DEFINED);
// Grab, if available.
auto slot = memory_->TranslateVirtual<uint32_t*>(info->value_address);
if (kernel_export) {
auto slot = memory_->TranslateVirtual<uint32_t*>(info->value_address);
if (kernel_export->type == KernelExport::Function) {
// Not exactly sure what this should be...
if (info->thunk_address) {
@ -151,53 +172,80 @@ bool XexModule::SetupLibraryImports(const xe_xex2_import_library_t* library) {
kernel_export->name);
}
}
} else if (user_export_addr) {
xe::store_and_swap<uint32_t>(slot, user_export_addr);
} else {
// No module found.
XELOGE("kernel import not found: %s", name);
if (info->thunk_address) {
*slot = xe::byte_swap(info->thunk_address);
} else {
*slot = xe::byte_swap(0xF00DF00D);
}
}
if (info->thunk_address) {
if (kernel_export) {
snprintf(name, xe::countof(name), "%s", kernel_export->name);
} else if (user_export_addr) {
snprintf(name, xe::countof(name), "__%s_%.3X", libname, info->ordinal);
} else {
snprintf(name, xe::countof(name), "__kernel_%s_%.3X", library->name,
snprintf(name, xe::countof(name), "__kernel_%s_%.3X", libname,
info->ordinal);
}
// On load we have something like this in memory:
// li r3, 0
// li r4, 0x1F5
// mtspr CTR, r11
// bctr
// Real consoles rewrite this with some code that sets r11.
// If we did that we'd still have to put a thunk somewhere and do the
// dynamic lookup. Instead, we rewrite it to use syscalls, as they
// aren't used on the 360. CPU backends can either take the syscall
// or do something smarter.
// sc
// blr
// nop
// nop
uint8_t* p = memory()->TranslateVirtual(info->thunk_address);
xe::store_and_swap<uint32_t>(p + 0x0, 0x44000002);
xe::store_and_swap<uint32_t>(p + 0x4, 0x4E800020);
xe::store_and_swap<uint32_t>(p + 0x8, 0x60000000);
xe::store_and_swap<uint32_t>(p + 0xC, 0x60000000);
if (user_export_addr) {
// Rewrite PPC code to set r11 to the target address
// So we'll have:
// lis r11, user_export_addr
// ori r11, r11, user_export_addr
// mtspr CTR, r11
// bctr
uint16_t hi_addr = (user_export_addr >> 16) & 0xFFFF;
uint16_t low_addr = user_export_addr & 0xFFFF;
FunctionInfo::ExternHandler handler = 0;
void* handler_data = 0;
if (kernel_export) {
handler =
(FunctionInfo::ExternHandler)kernel_export->function_data.shim;
handler_data = kernel_export->function_data.shim_data;
uint8_t* p = memory()->TranslateVirtual(info->thunk_address);
xe::store_and_swap<uint32_t>(p + 0x0, 0x3D600000 | hi_addr);
xe::store_and_swap<uint32_t>(p + 0x4, 0x616B0000 | low_addr);
} else {
handler = (FunctionInfo::ExternHandler)UndefinedImport;
handler_data = this;
}
// On load we have something like this in memory:
// li r3, 0
// li r4, 0x1F5
// mtspr CTR, r11
// bctr
// Real consoles rewrite this with some code that sets r11.
// If we did that we'd still have to put a thunk somewhere and do the
// dynamic lookup. Instead, we rewrite it to use syscalls, as they
// aren't used on the 360. CPU backends can either take the syscall
// or do something smarter.
// sc
// blr
// nop
// nop
uint8_t* p = memory()->TranslateVirtual(info->thunk_address);
xe::store_and_swap<uint32_t>(p + 0x0, 0x44000002);
xe::store_and_swap<uint32_t>(p + 0x4, 0x4E800020);
xe::store_and_swap<uint32_t>(p + 0x8, 0x60000000);
xe::store_and_swap<uint32_t>(p + 0xC, 0x60000000);
FunctionInfo* fn_info;
DeclareFunction(info->thunk_address, &fn_info);
fn_info->set_end_address(info->thunk_address + 16 - 4);
fn_info->set_name(name);
fn_info->SetupExtern(handler, handler_data, NULL);
fn_info->set_status(SymbolInfo::STATUS_DECLARED);
FunctionInfo::ExternHandler handler = 0;
void* handler_data = 0;
if (kernel_export) {
handler =
(FunctionInfo::ExternHandler)kernel_export->function_data.shim;
handler_data = kernel_export->function_data.shim_data;
} else {
handler = (FunctionInfo::ExternHandler)UndefinedImport;
handler_data = this;
}
FunctionInfo* fn_info;
DeclareFunction(info->thunk_address, &fn_info);
fn_info->set_end_address(info->thunk_address + 16 - 4);
fn_info->set_name(name);
fn_info->SetupExtern(handler, handler_data, NULL);
fn_info->set_status(SymbolInfo::STATUS_DECLARED);
}
}
}

7
src/xenia/cpu/xex_module.h
View File

@ -16,13 +16,17 @@
#include "xenia/kernel/util/xex2.h"
namespace xe {
// KernelState forward decl.
namespace kernel { class KernelState; }
namespace cpu {
class Runtime;
class XexModule : public xe::cpu::Module {
public:
XexModule(Processor* processor);
XexModule(Processor* processor, kernel::KernelState* state);
virtual ~XexModule();
xe_xex2_ref xex() const { return xex_; }
@ -40,6 +44,7 @@ class XexModule : public xe::cpu::Module {
private:
Processor* processor_;
kernel::KernelState* kernel_state_;
std::string name_;
std::string path_;
xe_xex2_ref xex_;

9
src/xenia/emulator.cc
View File

@ -110,10 +110,6 @@ X_STATUS Emulator::Setup() {
if (!processor_->Setup()) {
return result;
}
result = audio_system_->Setup();
if (result) {
return result;
}
result = graphics_system_->Setup(processor_.get(), main_window_->loop(),
main_window_.get());
if (result) {
@ -130,6 +126,11 @@ X_STATUS Emulator::Setup() {
// Shared kernel state.
kernel_state_ = std::make_unique<KernelState>(this);
result = audio_system_->Setup();
if (result) {
return result;
}
// HLE kernel modules.
xboxkrnl_ = std::make_unique<XboxkrnlModule>(this, kernel_state_.get());
xam_ = std::make_unique<XamModule>(this, kernel_state_.get());

2
src/xenia/emulator.h
View File

@ -66,6 +66,8 @@ class Emulator {
}
kernel::fs::FileSystem* file_system() const { return file_system_.get(); }
kernel::KernelState* kernel_state() const { return kernel_state_.get(); }
kernel::XboxkrnlModule* xboxkrnl() const { return xboxkrnl_.get(); }
kernel::XamModule* xam() const { return xam_.get(); }

98
src/xenia/gpu/gl4/command_processor.cc
View File

@ -456,7 +456,7 @@ void CommandProcessor::EnableReadPointerWriteBack(uint32_t ptr,
uint32_t block_size) {
// CP_RB_RPTR_ADDR Ring Buffer Read Pointer Address 0x70C
// ptr = RB_RPTR_ADDR, pointer to write back the address to.
read_ptr_writeback_ptr_ = (primary_buffer_ptr_ & ~0x1FFFFFFF) + ptr;
read_ptr_writeback_ptr_ = ptr;
// CP_RB_CNTL Ring Buffer Control 0x704
// block_size = RB_BLKSZ, number of quadwords read between updates of the
// read pointer.
@ -966,7 +966,7 @@ bool CommandProcessor::ExecutePacketType3_XE_SWAP(RingbufferReader* reader,
bool CommandProcessor::ExecutePacketType3_INDIRECT_BUFFER(
RingbufferReader* reader, uint32_t packet, uint32_t count) {
// indirect buffer dispatch
uint32_t list_ptr = reader->Read();
uint32_t list_ptr = CpuToGpu(reader->Read());
uint32_t list_length = reader->Read();
ExecuteIndirectBuffer(GpuToCpu(list_ptr), list_length);
return true;
@ -993,7 +993,7 @@ bool CommandProcessor::ExecutePacketType3_WAIT_REG_MEM(RingbufferReader* reader,
poll_reg_addr &= ~0x3;
value = xe::load<uint32_t>(memory_->TranslatePhysical(poll_reg_addr));
value = GpuSwap(value, endianness);
trace_writer_.WriteMemoryRead(poll_reg_addr, 4);
trace_writer_.WriteMemoryRead(CpuToGpu(poll_reg_addr), 4);
} else {
// Register.
assert_true(poll_reg_addr < RegisterFile::kRegisterCount);
@ -1093,7 +1093,7 @@ bool CommandProcessor::ExecutePacketType3_COND_WRITE(RingbufferReader* reader,
// Memory.
auto endianness = static_cast<Endian>(poll_reg_addr & 0x3);
poll_reg_addr &= ~0x3;
trace_writer_.WriteMemoryRead(poll_reg_addr, 4);
trace_writer_.WriteMemoryRead(CpuToGpu(poll_reg_addr), 4);
value = xe::load<uint32_t>(memory_->TranslatePhysical(poll_reg_addr));
value = GpuSwap(value, endianness);
} else {
@ -1136,7 +1136,7 @@ bool CommandProcessor::ExecutePacketType3_COND_WRITE(RingbufferReader* reader,
write_reg_addr &= ~0x3;
write_data = GpuSwap(write_data, endianness);
xe::store(memory_->TranslatePhysical(write_reg_addr), write_data);
trace_writer_.WriteMemoryWrite(write_reg_addr, 4);
trace_writer_.WriteMemoryWrite(CpuToGpu(write_reg_addr), 4);
} else {
// Register.
WriteRegister(write_reg_addr, write_data);
@ -1182,7 +1182,7 @@ bool CommandProcessor::ExecutePacketType3_EVENT_WRITE_SHD(
address &= ~0x3;
data_value = GpuSwap(data_value, endianness);
xe::store(memory_->TranslatePhysical(address), data_value);
trace_writer_.WriteMemoryWrite(address, 4);
trace_writer_.WriteMemoryWrite(CpuToGpu(address), 4);
return true;
}
@ -1208,7 +1208,7 @@ bool CommandProcessor::ExecutePacketType3_EVENT_WRITE_EXT(
xe::copy_and_swap_16_aligned(
reinterpret_cast<uint16_t*>(memory_->TranslatePhysical(address)), extents,
xe::countof(extents));
trace_writer_.WriteMemoryWrite(address, sizeof(extents));
trace_writer_.WriteMemoryWrite(CpuToGpu(address), sizeof(extents));
return true;
}
@ -1364,7 +1364,7 @@ bool CommandProcessor::ExecutePacketType3_LOAD_ALU_CONSTANT(
assert_always();
return true;
}
trace_writer_.WriteMemoryRead(address, size_dwords * 4);
trace_writer_.WriteMemoryRead(CpuToGpu(address), size_dwords * 4);
for (uint32_t n = 0; n < size_dwords; n++, index++) {
uint32_t data = xe::load_and_swap<uint32_t>(
memory_->TranslatePhysical(address + n * 4));
@ -1395,7 +1395,7 @@ bool CommandProcessor::ExecutePacketType3_IM_LOAD(RingbufferReader* reader,
uint32_t start = start_size >> 16;
uint32_t size_dwords = start_size & 0xFFFF; // dwords
assert_true(start == 0);
trace_writer_.WriteMemoryRead(addr, size_dwords * 4);
trace_writer_.WriteMemoryRead(CpuToGpu(addr), size_dwords * 4);
LoadShader(shader_type, addr, memory_->TranslatePhysical<uint32_t*>(addr),
size_dwords);
return true;
@ -2106,29 +2106,31 @@ CommandProcessor::UpdateStatus CommandProcessor::UpdateBlendState() {
draw_batcher_.Flush(DrawBatcher::FlushMode::kStateChange);
static const GLenum blend_map[] = {/* 0 */ GL_ZERO,
/* 1 */ GL_ONE,
/* 2 */ GL_ZERO, // ?
/* 3 */ GL_ZERO, // ?
/* 4 */ GL_SRC_COLOR,
/* 5 */ GL_ONE_MINUS_SRC_COLOR,
/* 6 */ GL_SRC_ALPHA,
/* 7 */ GL_ONE_MINUS_SRC_ALPHA,
/* 8 */ GL_DST_COLOR,
/* 9 */ GL_ONE_MINUS_DST_COLOR,
/* 10 */ GL_DST_ALPHA,
/* 11 */ GL_ONE_MINUS_DST_ALPHA,
/* 12 */ GL_CONSTANT_COLOR,
/* 13 */ GL_ONE_MINUS_CONSTANT_COLOR,
/* 14 */ GL_CONSTANT_ALPHA,
/* 15 */ GL_ONE_MINUS_CONSTANT_ALPHA,
/* 16 */ GL_SRC_ALPHA_SATURATE,
static const GLenum blend_map[] = {
/* 0 */ GL_ZERO,
/* 1 */ GL_ONE,
/* 2 */ GL_ZERO, // ?
/* 3 */ GL_ZERO, // ?
/* 4 */ GL_SRC_COLOR,
/* 5 */ GL_ONE_MINUS_SRC_COLOR,
/* 6 */ GL_SRC_ALPHA,
/* 7 */ GL_ONE_MINUS_SRC_ALPHA,
/* 8 */ GL_DST_COLOR,
/* 9 */ GL_ONE_MINUS_DST_COLOR,
/* 10 */ GL_DST_ALPHA,
/* 11 */ GL_ONE_MINUS_DST_ALPHA,
/* 12 */ GL_CONSTANT_COLOR,
/* 13 */ GL_ONE_MINUS_CONSTANT_COLOR,
/* 14 */ GL_CONSTANT_ALPHA,
/* 15 */ GL_ONE_MINUS_CONSTANT_ALPHA,
/* 16 */ GL_SRC_ALPHA_SATURATE,
};
static const GLenum blend_op_map[] = {/* 0 */ GL_FUNC_ADD,
/* 1 */ GL_FUNC_SUBTRACT,
/* 2 */ GL_MIN,
/* 3 */ GL_MAX,
/* 4 */ GL_FUNC_REVERSE_SUBTRACT,
static const GLenum blend_op_map[] = {
/* 0 */ GL_FUNC_ADD,
/* 1 */ GL_FUNC_SUBTRACT,
/* 2 */ GL_MIN,
/* 3 */ GL_MAX,
/* 4 */ GL_FUNC_REVERSE_SUBTRACT,
};
for (int i = 0; i < xe::countof(regs.rb_blendcontrol); ++i) {
uint32_t blend_control = regs.rb_blendcontrol[i];
@ -2181,23 +2183,25 @@ CommandProcessor::UpdateStatus CommandProcessor::UpdateDepthStencilState() {
draw_batcher_.Flush(DrawBatcher::FlushMode::kStateChange);
static const GLenum compare_func_map[] = {/* 0 */ GL_NEVER,
/* 1 */ GL_LESS,
/* 2 */ GL_EQUAL,
/* 3 */ GL_LEQUAL,
/* 4 */ GL_GREATER,
/* 5 */ GL_NOTEQUAL,
/* 6 */ GL_GEQUAL,
/* 7 */ GL_ALWAYS,
static const GLenum compare_func_map[] = {
/* 0 */ GL_NEVER,
/* 1 */ GL_LESS,
/* 2 */ GL_EQUAL,
/* 3 */ GL_LEQUAL,
/* 4 */ GL_GREATER,
/* 5 */ GL_NOTEQUAL,
/* 6 */ GL_GEQUAL,
/* 7 */ GL_ALWAYS,
};
static const GLenum stencil_op_map[] = {/* 0 */ GL_KEEP,
/* 1 */ GL_ZERO,
/* 2 */ GL_REPLACE,
/* 3 */ GL_INCR_WRAP,
/* 4 */ GL_DECR_WRAP,
/* 5 */ GL_INVERT,
/* 6 */ GL_INCR,
/* 7 */ GL_DECR,
static const GLenum stencil_op_map[] = {
/* 0 */ GL_KEEP,
/* 1 */ GL_ZERO,
/* 2 */ GL_REPLACE,
/* 3 */ GL_INCR_WRAP,
/* 4 */ GL_DECR_WRAP,
/* 5 */ GL_INVERT,
/* 6 */ GL_INCR,
/* 7 */ GL_DECR,
};
// A2XX_RB_DEPTHCONTROL_Z_ENABLE
if (regs.rb_depthcontrol & 0x00000002) {

6
src/xenia/gpu/gl4/gl4_graphics_system.cc
View File

@ -74,7 +74,7 @@ X_STATUS GL4GraphicsSystem::Setup(cpu::Processor* processor,
[this](const SwapParameters& swap_params) { SwapHandler(swap_params); });
// Let the processor know we want register access callbacks.
memory_->AddMappedRange(
memory_->AddVirtualMappedRange(
0x7FC80000, 0xFFFF0000, 0x0000FFFF, this,
reinterpret_cast<cpu::MMIOReadCallback>(MMIOReadRegisterThunk),
reinterpret_cast<cpu::MMIOWriteCallback>(MMIOWriteRegisterThunk));
@ -275,7 +275,7 @@ void GL4GraphicsSystem::SwapHandler(const SwapParameters& swap_params) {
});
}
uint64_t GL4GraphicsSystem::ReadRegister(uint64_t addr) {
uint64_t GL4GraphicsSystem::ReadRegister(uint32_t addr) {
uint32_t r = addr & 0xFFFF;
switch (r) {
@ -295,7 +295,7 @@ uint64_t GL4GraphicsSystem::ReadRegister(uint64_t addr) {
return register_file_.values[r].u32;
}
void GL4GraphicsSystem::WriteRegister(uint64_t addr, uint64_t value) {
void GL4GraphicsSystem::WriteRegister(uint32_t addr, uint64_t value) {
uint32_t r = addr & 0xFFFF;
switch (r) {

8
src/xenia/gpu/gl4/gl4_graphics_system.h
View File

@ -50,13 +50,13 @@ class GL4GraphicsSystem : public GraphicsSystem {
private:
void MarkVblank();
void SwapHandler(const SwapParameters& swap_params);
uint64_t ReadRegister(uint64_t addr);
void WriteRegister(uint64_t addr, uint64_t value);
uint64_t ReadRegister(uint32_t addr);
void WriteRegister(uint32_t addr, uint64_t value);
static uint64_t MMIOReadRegisterThunk(GL4GraphicsSystem* gs, uint64_t addr) {
static uint64_t MMIOReadRegisterThunk(GL4GraphicsSystem* gs, uint32_t addr) {
return gs->ReadRegister(addr);
}
static void MMIOWriteRegisterThunk(GL4GraphicsSystem* gs, uint64_t addr,
static void MMIOWriteRegisterThunk(GL4GraphicsSystem* gs, uint32_t addr,
uint64_t value) {
gs->WriteRegister(addr, value);
}

9
src/xenia/gpu/gl4/texture_cache.cc
View File

@ -490,7 +490,7 @@ TextureCache::TextureEntry* TextureCache::LookupOrInsertTexture(
// Add a write watch. If any data in the given range is touched we'll get a
// callback and evict the texture. We could reuse the storage, though the
// driver is likely in a better position to pool that kind of stuff.
entry->write_watch_handle = memory_->AddWriteWatch(
entry->write_watch_handle = memory_->AddPhysicalWriteWatch(
texture_info.guest_address, texture_info.input_length,
[](void* context_ptr, void* data_ptr, uint32_t address) {
auto self = reinterpret_cast<TextureCache*>(context_ptr);
@ -710,7 +710,9 @@ bool TextureCache::UploadTexture2D(GLuint texture,
uint8_t* dest = reinterpret_cast<uint8_t*>(allocation.host_ptr);
uint32_t pitch = std::min(texture_info.size_2d.input_pitch,
texture_info.size_2d.output_pitch);
for (uint32_t y = 0; y < texture_info.size_2d.block_height; y++) {
for (uint32_t y = 0; y < std::min(texture_info.size_2d.block_height,
texture_info.size_2d.logical_height);
y++) {
TextureSwap(texture_info.endianness, dest, src, pitch);
src += texture_info.size_2d.input_pitch;
dest += texture_info.size_2d.output_pitch;
@ -735,7 +737,8 @@ bool TextureCache::UploadTexture2D(GLuint texture,
auto bpp = (bytes_per_block >> 2) +
((bytes_per_block >> 1) >> (bytes_per_block >> 2));
for (uint32_t y = 0, output_base_offset = 0;
y < texture_info.size_2d.block_height;
y < std::min(texture_info.size_2d.block_height,
texture_info.size_2d.logical_height);
y++, output_base_offset += texture_info.size_2d.output_pitch) {
auto input_base_offset = TextureInfo::TiledOffset2DOuter(
offset_y + y, (texture_info.size_2d.input_width /

10
src/xenia/gpu/xe-gpu-trace-viewer.cc
View File

@ -771,7 +771,15 @@ class TracePlayer : public TraceReader {
: loop_(loop),
graphics_system_(graphics_system),
current_frame_index_(0),
current_command_index_(-1) {}
current_command_index_(-1) {
// Need to allocate all of physical memory so that we can write to it
// during playback.
graphics_system_->memory()
->LookupHeapByType(true, 4096)
->AllocFixed(0, 0x1FFFFFFF, 4096,
kMemoryAllocationReserve | kMemoryAllocationCommit,
kMemoryProtectRead | kMemoryProtectWrite);
}
~TracePlayer() = default;
GraphicsSystem* graphics_system() const { return graphics_system_; }

22
src/xenia/kernel/fs/devices/host_path_entry.cc
View File

@ -140,9 +140,25 @@ X_STATUS HostPathEntry::Open(KernelState* kernel_state, Mode mode, bool async,
// TODO(benvanik): plumb through proper disposition/access mode.
DWORD desired_access =
is_read_only() ? GENERIC_READ : (GENERIC_READ | GENERIC_WRITE);
// mode == Mode::READ ? GENERIC_READ : (GENERIC_READ | GENERIC_WRITE);
if (mode == Mode::READ_APPEND) {
desired_access |= FILE_APPEND_DATA;
}
DWORD share_mode = FILE_SHARE_READ;
DWORD creation_disposition = mode == Mode::READ ? OPEN_EXISTING : OPEN_ALWAYS;
DWORD creation_disposition;
switch (mode) {
case Mode::READ:
creation_disposition = OPEN_EXISTING;
break;
case Mode::READ_WRITE:
creation_disposition = OPEN_ALWAYS;
break;
case Mode::READ_APPEND:
creation_disposition = OPEN_EXISTING;
break;
default:
assert_unhandled_case(mode);
break;
}
DWORD flags_and_attributes = async ? FILE_FLAG_OVERLAPPED : 0;
HANDLE file =
CreateFile(local_path_.c_str(), desired_access, share_mode, NULL,
@ -150,7 +166,7 @@ X_STATUS HostPathEntry::Open(KernelState* kernel_state, Mode mode, bool async,
flags_and_attributes | FILE_FLAG_BACKUP_SEMANTICS, NULL);
if (file == INVALID_HANDLE_VALUE) {
// TODO(benvanik): pick correct response.
return X_STATUS_ACCESS_DENIED;
return X_STATUS_NO_SUCH_FILE;
}
*out_file = new HostPathFile(kernel_state, mode, this, file);

1
src/xenia/kernel/fs/entry.h
View File

@ -35,6 +35,7 @@ class Device;
enum class Mode {
READ,
READ_WRITE,
READ_APPEND,
};
class MemoryMapping {

33
src/xenia/kernel/kernel_state.cc
View File

@ -97,6 +97,19 @@ void KernelState::RegisterModule(XModule* module) {}
void KernelState::UnregisterModule(XModule* module) {}
bool KernelState::IsKernelModule(const char* name) {
if (!name) {
// executing module isn't a kernel module
return false;
} else if (strcasecmp(name, "xam.xex") == 0) {
return true;
} else if (strcasecmp(name, "xboxkrnl.exe") == 0) {
return true;
}
return false;
}
XModule* KernelState::GetModule(const char* name) {
if (!name) {
// NULL name = self.
@ -114,7 +127,7 @@ XModule* KernelState::GetModule(const char* name) {
// Some games request this, for some reason. wtf.
return nullptr;
} else {
std::lock_guard<std::mutex> lock(object_mutex_);
std::lock_guard<std::recursive_mutex> lock(object_mutex_);
for (XUserModule* module : user_modules_) {
if ((strcasecmp(xe::find_name_from_path(module->path()).c_str(), name) ==
@ -163,7 +176,7 @@ XUserModule* KernelState::LoadUserModule(const char* raw_name) {
XUserModule* module = nullptr;
{
std::lock_guard<std::mutex> lock(object_mutex_);
std::lock_guard<std::recursive_mutex> lock(object_mutex_);
// See if we've already loaded it
for (XUserModule* existing_module : user_modules_) {
@ -205,12 +218,12 @@ XUserModule* KernelState::LoadUserModule(const char* raw_name) {
}
void KernelState::RegisterThread(XThread* thread) {
std::lock_guard<std::mutex> lock(object_mutex_);
std::lock_guard<std::recursive_mutex> lock(object_mutex_);
threads_by_id_[thread->thread_id()] = thread;
}
void KernelState::UnregisterThread(XThread* thread) {
std::lock_guard<std::mutex> lock(object_mutex_);
std::lock_guard<std::recursive_mutex> lock(object_mutex_);
auto it = threads_by_id_.find(thread->thread_id());
if (it != threads_by_id_.end()) {
threads_by_id_.erase(it);
@ -218,7 +231,7 @@ void KernelState::UnregisterThread(XThread* thread) {
}
void KernelState::OnThreadExecute(XThread* thread) {
std::lock_guard<std::mutex> lock(object_mutex_);
std::lock_guard<std::recursive_mutex> lock(object_mutex_);
// Must be called on executing thread.
assert_true(XThread::GetCurrentThread() == thread);
@ -241,7 +254,7 @@ void KernelState::OnThreadExecute(XThread* thread) {
}
void KernelState::OnThreadExit(XThread* thread) {
std::lock_guard<std::mutex> lock(object_mutex_);
std::lock_guard<std::recursive_mutex> lock(object_mutex_);
// Must be called on executing thread.
assert_true(XThread::GetCurrentThread() == thread);
@ -264,7 +277,7 @@ void KernelState::OnThreadExit(XThread* thread) {
}
XThread* KernelState::GetThreadByID(uint32_t thread_id) {
std::lock_guard<std::mutex> lock(object_mutex_);
std::lock_guard<std::recursive_mutex> lock(object_mutex_);
XThread* thread = nullptr;
auto it = threads_by_id_.find(thread_id);
if (it != threads_by_id_.end()) {
@ -276,7 +289,7 @@ XThread* KernelState::GetThreadByID(uint32_t thread_id) {
}
void KernelState::RegisterNotifyListener(XNotifyListener* listener) {
std::lock_guard<std::mutex> lock(object_mutex_);
std::lock_guard<std::recursive_mutex> lock(object_mutex_);
notify_listeners_.push_back(listener);
// Games seem to expect a few notifications on startup, only for the first
@ -300,7 +313,7 @@ void KernelState::RegisterNotifyListener(XNotifyListener* listener) {
}
void KernelState::UnregisterNotifyListener(XNotifyListener* listener) {
std::lock_guard<std::mutex> lock(object_mutex_);
std::lock_guard<std::recursive_mutex> lock(object_mutex_);
for (auto it = notify_listeners_.begin(); it != notify_listeners_.end();
++it) {
if (*it == listener) {
@ -311,7 +324,7 @@ void KernelState::UnregisterNotifyListener(XNotifyListener* listener) {
}
void KernelState::BroadcastNotification(XNotificationID id, uint32_t data) {
std::lock_guard<std::mutex> lock(object_mutex_);
std::lock_guard<std::recursive_mutex> lock(object_mutex_);
for (auto it = notify_listeners_.begin(); it != notify_listeners_.end();
++it) {
(*it)->EnqueueNotification(id, data);

5
src/xenia/kernel/kernel_state.h
View File

@ -63,13 +63,14 @@ class KernelState {
ContentManager* content_manager() const { return content_manager_.get(); }
ObjectTable* object_table() const { return object_table_; }
std::mutex& object_mutex() { return object_mutex_; }
std::recursive_mutex& object_mutex() { return object_mutex_; }
uint32_t process_type() const { return process_type_; }
void set_process_type(uint32_t value) { process_type_ = value; }
void RegisterModule(XModule* module);
void UnregisterModule(XModule* module);
bool IsKernelModule(const char* name);
XModule* GetModule(const char* name);
XUserModule* GetExecutableModule();
void SetExecutableModule(XUserModule* module);
@ -105,7 +106,7 @@ class KernelState {
std::unique_ptr<ContentManager> content_manager_;
ObjectTable* object_table_;
std::mutex object_mutex_;
std::recursive_mutex object_mutex_;
std::unordered_map<uint32_t, XThread*> threads_by_id_;
std::vector<XNotifyListener*> notify_listeners_;
bool has_notified_startup_;

117
src/xenia/kernel/objects/xthread.cc
View File

@ -34,6 +34,7 @@ XThread::XThread(KernelState* kernel_state, uint32_t stack_size,
: XObject(kernel_state, kTypeThread),
thread_id_(++next_xthread_id),
thread_handle_(0),
pcr_address_(0),
thread_state_address_(0),
thread_state_(0),
event_(NULL),
@ -76,7 +77,7 @@ XThread::~XThread() {
}
kernel_state()->memory()->SystemHeapFree(scratch_address_);
kernel_state()->memory()->SystemHeapFree(tls_address_);
kernel_state()->memory()->SystemHeapFree(thread_state_address_);
kernel_state()->memory()->SystemHeapFree(pcr_address_);
if (thread_handle_) {
// TODO(benvanik): platform kill
@ -105,8 +106,8 @@ uint32_t XThread::GetCurrentThreadHandle() {
return thread->handle();
}
uint32_t XThread::GetCurrentThreadId(const uint8_t* thread_state_block) {
return xe::load_and_swap<uint32_t>(thread_state_block + 0x14C);
uint32_t XThread::GetCurrentThreadId(const uint8_t* pcr) {
return xe::load_and_swap<uint32_t>(pcr + 0x2D8 + 0x14C);
}
uint32_t XThread::last_error() {
@ -137,14 +138,15 @@ X_STATUS XThread::Create() {
// 0x160: last error
// So, at offset 0x100 we have a 4b pointer to offset 200, then have the
// structure.
thread_state_address_ = memory()->SystemHeapAlloc(0xAB0);
pcr_address_ = memory()->SystemHeapAlloc(0x2D8 + 0xAB0);
thread_state_address_ = pcr_address_ + 0x2D8;
if (!thread_state_address_) {
XELOGW("Unable to allocate thread state block");
return X_STATUS_NO_MEMORY;
}
// Set native info.
SetNativePointer(thread_state_address_);
SetNativePointer(thread_state_address_, true);
XUserModule* module = kernel_state()->GetExecutableModule();
@ -154,8 +156,12 @@ X_STATUS XThread::Create() {
scratch_address_ = memory()->SystemHeapAlloc(scratch_size_);
// Allocate TLS block.
const xe_xex2_header_t* header = module->xex_header();
uint32_t tls_size = header->tls_info.slot_count * header->tls_info.data_size;
uint32_t tls_size = 32; // Default 32 (is this OK?)
if (module && module->xex_header()) {
const xe_xex2_header_t* header = module->xex_header();
tls_size = header->tls_info.slot_count * header->tls_info.data_size;
}
tls_address_ = memory()->SystemHeapAlloc(tls_size);
if (!tls_address_) {
XELOGW("Unable to allocate thread local storage block");
@ -163,9 +169,40 @@ X_STATUS XThread::Create() {
return X_STATUS_NO_MEMORY;
}
// Copy in default TLS info.
// TODO(benvanik): is this correct?
memory()->Copy(tls_address_, header->tls_info.raw_data_address, tls_size);
// Copy in default TLS info (or zero it out)
if (module && module->xex_header()) {
const xe_xex2_header_t* header = module->xex_header();
// Copy in default TLS info.
// TODO(benvanik): is this correct?
memory()->Copy(tls_address_, header->tls_info.raw_data_address, tls_size);
} else {
memory()->Fill(tls_address_, tls_size, 0);
}
if (module) {
module->Release();
}
// Allocate processor thread state.
// This is thread safe.
thread_state_ = new ThreadState(kernel_state()->processor(), thread_id_,
ThreadStackType::kUserStack, 0,
creation_params_.stack_size, pcr_address_);
XELOGI("XThread%04X (%X) Stack: %.8X-%.8X", handle(),
thread_state_->thread_id(), thread_state_->stack_limit(),
thread_state_->stack_base());
uint8_t* pcr = memory()->TranslateVirtual(pcr_address_);
std::memset(pcr, 0x0, 0x2D8 + 0xAB0); // Zero the PCR
xe::store_and_swap<uint32_t>(pcr + 0x000, tls_address_);
xe::store_and_swap<uint32_t>(pcr + 0x030, pcr_address_);
xe::store_and_swap<uint32_t>(pcr + 0x070, thread_state_->stack_address() +
thread_state_->stack_size());
xe::store_and_swap<uint32_t>(pcr + 0x074, thread_state_->stack_address());
xe::store_and_swap<uint32_t>(pcr + 0x100, thread_state_address_);
xe::store_and_swap<uint8_t> (pcr + 0x10C, 1); // Current CPU(?)
xe::store_and_swap<uint32_t>(pcr + 0x150, 0); // DPC active bool?
// Setup the thread state block (last error/etc).
uint8_t* p = memory()->TranslateVirtual(thread_state_address_);
@ -180,6 +217,9 @@ X_STATUS XThread::Create() {
xe::store_and_swap<uint32_t>(p + 0x04C, thread_state_address_ + 0x018);
xe::store_and_swap<uint16_t>(p + 0x054, 0x102);
xe::store_and_swap<uint16_t>(p + 0x056, 1);
xe::store_and_swap<uint32_t>(
p + 0x05C, thread_state_->stack_address() + thread_state_->stack_size());
xe::store_and_swap<uint32_t>(p + 0x060, thread_state_->stack_address());
xe::store_and_swap<uint32_t>(p + 0x068, tls_address_);
xe::store_and_swap<uint8_t>(p + 0x06C, 0);
xe::store_and_swap<uint32_t>(p + 0x074, thread_state_address_ + 0x074);
@ -192,7 +232,8 @@ X_STATUS XThread::Create() {
// A88 = APC
// 18 = timer
xe::store_and_swap<uint32_t>(p + 0x09C, 0xFDFFD7FF);
xe::store_and_swap<uint32_t>(p + 0x100, thread_state_address_);
xe::store_and_swap<uint32_t>(
p + 0x0D0, thread_state_->stack_address() + thread_state_->stack_size());
FILETIME t;
GetSystemTimeAsFileTime(&t);
xe::store_and_swap<uint64_t>(
@ -200,32 +241,18 @@ X_STATUS XThread::Create() {
xe::store_and_swap<uint32_t>(p + 0x144, thread_state_address_ + 0x144);
xe::store_and_swap<uint32_t>(p + 0x148, thread_state_address_ + 0x144);
xe::store_and_swap<uint32_t>(p + 0x14C, thread_id_);
// TODO(benvanik): figure out why RtlGetLastError changes on this:
// xe::store_and_swap<uint32_t>(p + 0x150, creation_params_.start_address);
xe::store_and_swap<uint32_t>(p + 0x150, creation_params_.start_address);
xe::store_and_swap<uint32_t>(p + 0x154, thread_state_address_ + 0x154);
xe::store_and_swap<uint32_t>(p + 0x158, thread_state_address_ + 0x154);
xe::store_and_swap<uint32_t>(p + 0x160, 0); // last error
xe::store_and_swap<uint32_t>(p + 0x16C, creation_params_.creation_flags);
xe::store_and_swap<uint32_t>(p + 0x17C, 1);
// Allocate processor thread state.
// This is thread safe.
thread_state_ =
new ThreadState(kernel_state()->processor(), thread_id_, 0,
creation_params_.stack_size, thread_state_address_);
xe::store_and_swap<uint32_t>(
p + 0x05C, thread_state_->stack_address() + thread_state_->stack_size());
xe::store_and_swap<uint32_t>(p + 0x060, thread_state_->stack_address());
xe::store_and_swap<uint32_t>(
p + 0x0D0, thread_state_->stack_address() + thread_state_->stack_size());
SetNativePointer(thread_state_address_);
X_STATUS return_code = PlatformCreate();
if (XFAILED(return_code)) {
XELOGW("Unable to create platform thread (%.8X)", return_code);
module->Release();
return return_code;
}
@ -238,7 +265,6 @@ X_STATUS XThread::Create() {
SetAffinity(proc_mask);
}
module->Release();
return X_STATUS_SUCCESS;
}
@ -509,7 +535,19 @@ void XThread::RundownAPCs() {
int32_t XThread::QueryPriority() { return GetThreadPriority(thread_handle_); }
void XThread::SetPriority(int32_t increment) {
SetThreadPriority(thread_handle_, increment);
int target_priority = 0;
if (increment > 0x11) {
target_priority = THREAD_PRIORITY_HIGHEST;
} else if (increment > 0) {
target_priority = THREAD_PRIORITY_ABOVE_NORMAL;
} else if (increment < -0x22) {
target_priority = THREAD_PRIORITY_IDLE;
} else if (increment < -0x11) {
target_priority = THREAD_PRIORITY_LOWEST;
} else {
target_priority = THREAD_PRIORITY_NORMAL;
}
SetThreadPriority(thread_handle_, target_priority);
}
void XThread::SetAffinity(uint32_t affinity) {
@ -583,5 +621,28 @@ X_STATUS XThread::Delay(uint32_t processor_mode, uint32_t alertable,
void* XThread::GetWaitHandle() { return event_->GetWaitHandle(); }
XHostThread::XHostThread(KernelState* kernel_state, uint32_t stack_size,
uint32_t creation_flags, std::function<int()> host_fn):
XThread(kernel_state, stack_size, 0, 0, 0, creation_flags),
host_fn_(host_fn) {
}
void XHostThread::Execute() {
XELOGKERNEL("XThread::Execute thid %d (handle=%.8X, '%s', native=%.8X, <host>)",
thread_id_, handle(), name_.c_str(),
xe::threading::current_thread_id());
// Let the kernel know we are starting.
kernel_state()->OnThreadExecute(this);
int ret = host_fn_();
// Let the kernel know we are exiting.
kernel_state()->OnThreadExit(this);
// Exit.
Exit(ret);
}
} // namespace kernel
} // namespace xe

19
src/xenia/kernel/objects/xthread.h
View File

@ -33,8 +33,9 @@ class XThread : public XObject {
static XThread* GetCurrentThread();
static uint32_t GetCurrentThreadHandle();
static uint32_t GetCurrentThreadId(const uint8_t* thread_state_block);
static uint32_t GetCurrentThreadId(const uint8_t* pcr);
uint32_t pcr_ptr() const { return pcr_address_; }
uint32_t thread_state_ptr() const { return thread_state_address_; }
cpu::ThreadState* thread_state() const { return thread_state_; }
uint32_t thread_id() const { return thread_id_; }
@ -46,7 +47,7 @@ class XThread : public XObject {
X_STATUS Create();
X_STATUS Exit(int exit_code);
void Execute();
virtual void Execute();
static void EnterCriticalRegion();
static void LeaveCriticalRegion();
@ -68,7 +69,7 @@ class XThread : public XObject {
virtual void* GetWaitHandle();
private:
protected:
X_STATUS PlatformCreate();
void PlatformDestroy();
X_STATUS PlatformExit(int exit_code);
@ -89,6 +90,7 @@ class XThread : public XObject {
uint32_t scratch_address_;
uint32_t scratch_size_;
uint32_t tls_address_;
uint32_t pcr_address_;
uint32_t thread_state_address_;
cpu::ThreadState* thread_state_;
@ -101,6 +103,17 @@ class XThread : public XObject {
XEvent* event_;
};
class XHostThread : public XThread {
public:
XHostThread(KernelState* kernel_state, uint32_t stack_size,
uint32_t creation_flags, std::function<int()> host_fn);
virtual void Execute();
private:
std::function<int()> host_fn_;
};
} // namespace kernel
} // namespace xe

56
src/xenia/kernel/objects/xuser_module.cc
View File

@ -129,7 +129,7 @@ X_STATUS XUserModule::LoadFromMemory(const void* addr, const size_t length) {
// Prepare the module for execution.
// Runtime takes ownership.
auto xex_module = std::make_unique<XexModule>(processor);
auto xex_module = std::make_unique<XexModule>(processor, kernel_state());
if (!xex_module->Load(name_, path_, xex_)) {
return X_STATUS_UNSUCCESSFUL;
}
@ -351,18 +351,38 @@ void XUserModule::Dump() {
int unimpl_count = 0;
for (size_t m = 0; m < import_info_count; m++) {
const xe_xex2_import_info_t* info = &import_infos[m];
KernelExport* kernel_export =
if (kernel_state_->IsKernelModule(library->name)) {
KernelExport* kernel_export =
export_resolver->GetExportByOrdinal(library->name, info->ordinal);
if (kernel_export) {
known_count++;
if (kernel_export->is_implemented) {
impl_count++;
if (kernel_export) {
known_count++;
if (kernel_export->is_implemented) {
impl_count++;
} else {
unimpl_count++;
}
} else {
unknown_count++;
unimpl_count++;
}
} else {
unknown_count++;
unimpl_count++;
// User module
XModule* module = kernel_state_->GetModule(library->name);
if (module) {
uint32_t export_addr =
module->GetProcAddressByOrdinal(info->ordinal);
if (export_addr) {
impl_count++;
known_count++;
} else {
unimpl_count++;
unknown_count++;
}
} else {
unimpl_count++;
unknown_count++;
}
}
}
printf(" Total: %4u\n", uint32_t(import_info_count));
@ -377,13 +397,23 @@ void XUserModule::Dump() {
// Listing.
for (size_t m = 0; m < import_info_count; m++) {
const xe_xex2_import_info_t* info = &import_infos[m];
KernelExport* kernel_export =
export_resolver->GetExportByOrdinal(library->name, info->ordinal);
const char* name = "UNKNOWN";
bool implemented = false;
if (kernel_export) {
name = kernel_export->name;
implemented = kernel_export->is_implemented;
KernelExport* kernel_export;
if (kernel_state_->IsKernelModule(library->name)) {
kernel_export =
export_resolver->GetExportByOrdinal(library->name, info->ordinal);
if (kernel_export) {
name = kernel_export->name;
implemented = kernel_export->is_implemented;
}
} else {
XModule* module = kernel_state_->GetModule(library->name);
if (module && module->GetProcAddressByOrdinal(info->ordinal)) {
// TODO: Name lookup
implemented = true;
}
}
if (kernel_export && kernel_export->type == KernelExport::Variable) {
printf(" V %.8X %.3X (%3d) %s %s\n", info->value_address,

30
src/xenia/kernel/util/xex2.cc
View File

@ -536,8 +536,12 @@ int xe_xex2_read_image_uncompressed(const xe_xex2_header_t *header,
// Allocate in-place the XEX memory.
const uint32_t exe_length = xex_length - header->exe_offset;
uint32_t uncompressed_size = exe_length;
uint32_t alloc_result = memory->HeapAlloc(
header->exe_address, uncompressed_size, xe::MEMORY_FLAG_ZERO);
bool alloc_result =
memory->LookupHeap(header->exe_address)
->AllocFixed(
header->exe_address, uncompressed_size, 4096,
xe::kMemoryAllocationReserve | xe::kMemoryAllocationCommit,
xe::kMemoryProtectRead | xe::kMemoryProtectWrite);
if (!alloc_result) {
XELOGE("Unable to allocate XEX memory at %.8X-%.8X.", header->exe_address,
uncompressed_size);
@ -588,22 +592,26 @@ int xe_xex2_read_image_basic_compressed(const xe_xex2_header_t *header,
// Calculate the total size of the XEX image from its headers.
uint32_t total_size = 0;
for (uint32_t i = 0; i < header->section_count; i++) {
xe_xex2_section_t& section = header->sections[i];
xe_xex2_section_t &section = header->sections[i];
total_size += section.info.page_count * section.page_size;
}
// Allocate in-place the XEX memory.
uint32_t alloc_result = memory->HeapAlloc(
header->exe_address, total_size, xe::MEMORY_FLAG_ZERO);
bool alloc_result =
memory->LookupHeap(header->exe_address)
->AllocFixed(
header->exe_address, total_size, 4096,
xe::kMemoryAllocationReserve | xe::kMemoryAllocationCommit,
xe::kMemoryProtectRead | xe::kMemoryProtectWrite);
if (!alloc_result) {
XELOGE("Unable to allocate XEX memory at %.8X-%.8X.", header->exe_address,
uncompressed_size);
return 1;
}
uint8_t *buffer = memory->TranslateVirtual(header->exe_address);
std::memset(buffer, 0, total_size); // Quickly zero the contents.
uint8_t *d = buffer;
std::memset(buffer, 0, uncompressed_size);
uint32_t rk[4 * (MAXNR + 1)];
uint8_t ivec[16] = {0};
@ -731,8 +739,12 @@ int xe_xex2_read_image_compressed(const xe_xex2_header_t *header,
}
// Allocate in-place the XEX memory.
uint32_t alloc_result = memory->HeapAlloc(
header->exe_address, uncompressed_size, xe::MEMORY_FLAG_ZERO);
bool alloc_result =
memory->LookupHeap(header->exe_address)
->AllocFixed(
header->exe_address, uncompressed_size, 4096,
xe::kMemoryAllocationReserve | xe::kMemoryAllocationCommit,
xe::kMemoryProtectRead | xe::kMemoryProtectWrite);
if (!alloc_result) {
XELOGE("Unable to allocate XEX memory at %.8X-%.8X.", header->exe_address,
uncompressed_size);
@ -1084,4 +1096,4 @@ uint32_t xe_xex2_lookup_export(xe_xex2_ref xex, uint16_t ordinal) {
// No match
return 0;
}
}

2
src/xenia/kernel/xam_info.cc
View File

@ -41,7 +41,7 @@ SHIM_CALL XGetAVPack_shim(PPCContext* ppc_state, KernelState* state) {
SHIM_CALL XGetGameRegion_shim(PPCContext* ppc_state, KernelState* state) {
XELOGD("XGetGameRegion()");
SHIM_SET_RETURN_64(XEX_REGION_ALL);
SHIM_SET_RETURN_64(0xFFFF);
}
SHIM_CALL XGetLanguage_shim(PPCContext* ppc_state, KernelState* state) {

3
src/xenia/kernel/xam_table.inc
View File

@ -81,6 +81,8 @@ XE_EXPORT(xam, 0x00000051, NetDll_XNetReplaceKey,
XE_EXPORT(xam, 0x00000052, NetDll_XNetGetXnAddrPlatform, Function, 0),
XE_EXPORT(xam, 0x00000053, NetDll_XNetGetSystemLinkPort, Function, 0),
XE_EXPORT(xam, 0x00000054, NetDll_XNetSetSystemLinkPort, Function, 0),
XE_EXPORT(xam, 0x00000055, xam_055, Function, 0),
XE_EXPORT(xam, 0x00000056, xam_056, Function, 0),
XE_EXPORT(xam, 0x00000065, NetDll_XnpLoadConfigParams, Function, 0),
XE_EXPORT(xam, 0x00000066, NetDll_XnpSaveConfigParams, Function, 0),
XE_EXPORT(xam, 0x00000067, NetDll_XnpConfigUPnP, Function, 0),
@ -954,6 +956,7 @@ XE_EXPORT(xam, 0x0000048F, XuiSceneEnableTransitionDependency,
XE_EXPORT(xam, 0x00000490, XamVoiceGetMicArrayAudioEx, Function, 0),
XE_EXPORT(xam, 0x00000491, XamVoiceDisableMicArray, Function, 0),
XE_EXPORT(xam, 0x00000497, XamVoiceIsActiveProcess, Function, 0),
XE_EXPORT(xam, 0x0000049E, XGetVideoCapabilities, Function, 0),
XE_EXPORT(xam, 0x000004B0, XMPRegisterCodec, Function, 0),
XE_EXPORT(xam, 0x00000514, XamIsCurrentTitleIptv, Function, 0),
XE_EXPORT(xam, 0x00000515, XamIsIptvEnabled, Function, 0),

17
src/xenia/kernel/xam_ui.cc
View File

@ -108,10 +108,27 @@ SHIM_CALL XamShowMessageBoxUI_shim(PPCContext* ppc_state, KernelState* state) {
SHIM_SET_RETURN_32(X_ERROR_IO_PENDING);
}
SHIM_CALL XamShowDirtyDiscErrorUI_shim(PPCContext* ppc_state,
KernelState* state) {
uint32_t user_index = SHIM_GET_ARG_32(0);
XELOGD("XamShowDirtyDiscErrorUI(%d)", user_index);
int button_pressed = 0;
TaskDialog(state->emulator()->main_window()->hwnd(), GetModuleHandle(nullptr),
L"Disc Read Error",
L"Game is claiming to be unable to read game data!", nullptr,
TDCBF_CLOSE_BUTTON, TD_ERROR_ICON, &button_pressed);
// This is death, and should never return.
assert_always();
}
} // namespace kernel
} // namespace xe
void xe::kernel::xam::RegisterUIExports(
xe::cpu::ExportResolver* export_resolver, KernelState* state) {
SHIM_SET_MAPPING("xam.xex", XamShowMessageBoxUI, state);
SHIM_SET_MAPPING("xam.xex", XamShowDirtyDiscErrorUI, state);
}

10
src/xenia/kernel/xam_video.cc
View File

@ -7,6 +7,7 @@
******************************************************************************
*/
#include "xenia/base/logging.h"
#include "xenia/kernel/kernel_state.h"
#include "xenia/kernel/util/shim_utils.h"
#include "xenia/kernel/xam_private.h"
@ -20,13 +21,22 @@ void xeVdQueryVideoMode(X_VIDEO_MODE* video_mode);
SHIM_CALL XGetVideoMode_shim(PPCContext* ppc_state, KernelState* state) {
uint32_t video_mode_ptr = SHIM_GET_ARG_32(0);
X_VIDEO_MODE* video_mode = (X_VIDEO_MODE*)SHIM_MEM_ADDR(video_mode_ptr);
XELOGD("XGetVideoMode(%.8X)", video_mode_ptr);
xeVdQueryVideoMode(video_mode);
}
SHIM_CALL XGetVideoCapabilities_shim(PPCContext* ppc_state, KernelState* state) {
XELOGD("XGetVideoCapabilities()");
SHIM_SET_RETURN_32(0);
}
} // namespace kernel
} // namespace xe
void xe::kernel::xam::RegisterVideoExports(
xe::cpu::ExportResolver* export_resolver, KernelState* state) {
SHIM_SET_MAPPING("xam.xex", XGetVideoCapabilities, state);
SHIM_SET_MAPPING("xam.xex", XGetVideoMode, state);
}

32
src/xenia/kernel/xboxkrnl_io.cc
View File

@ -60,10 +60,13 @@ struct FileDisposition {
};
struct FileAccess {
static const uint32_t X_GENERIC_READ = 1 << 0;
static const uint32_t X_GENERIC_WRITE = 1 << 1;
static const uint32_t X_GENERIC_EXECUTE = 1 << 2;
static const uint32_t X_GENERIC_ALL = 1 << 3;
static const uint32_t X_GENERIC_READ = 0x80000000;
static const uint32_t X_GENERIC_WRITE = 0x40000000;
static const uint32_t X_GENERIC_EXECUTE = 0x20000000;
static const uint32_t X_GENERIC_ALL = 0x10000000;
static const uint32_t X_FILE_READ_DATA = 0x00000001;
static const uint32_t X_FILE_WRITE_DATA = 0x00000002;
static const uint32_t X_FILE_APPEND_DATA = 0x00000004;
};
X_STATUS NtCreateFile(PPCContext* ppc_state, KernelState* state,
@ -100,9 +103,11 @@ X_STATUS NtCreateFile(PPCContext* ppc_state, KernelState* state,
entry = fs->ResolvePath(object_name);
}
if (creation_disposition != FileDisposition::X_FILE_OPEN ||
desired_access & FileAccess::X_GENERIC_WRITE ||
desired_access & FileAccess::X_GENERIC_ALL) {
bool wants_write = desired_access & FileAccess::X_GENERIC_WRITE ||
desired_access & FileAccess::X_GENERIC_ALL ||
desired_access & FileAccess::X_FILE_WRITE_DATA ||
desired_access & FileAccess::X_FILE_APPEND_DATA;
if (wants_write) {
if (entry && entry->is_read_only()) {
// We don't support any write modes.
XELOGW("Attempted to open the file/dir for create/write");
@ -116,10 +121,15 @@ X_STATUS NtCreateFile(PPCContext* ppc_state, KernelState* state,
info = X_FILE_DOES_NOT_EXIST;
} else {
// Open the file/directory.
result = fs->Open(std::move(entry), state,
desired_access & FileAccess::X_GENERIC_WRITE
? fs::Mode::READ_WRITE
: fs::Mode::READ,
fs::Mode mode;
if (desired_access & FileAccess::X_FILE_APPEND_DATA) {
mode = fs::Mode::READ_APPEND;
} else if (wants_write) {
mode = fs::Mode::READ_WRITE;
} else {
mode = fs::Mode::READ;
}
result = fs->Open(std::move(entry), state, mode,
false, // TODO(benvanik): pick async mode, if needed.
&file);
}

216
src/xenia/kernel/xboxkrnl_memory.cc
View File

@ -17,19 +17,55 @@
namespace xe {
namespace kernel {
uint32_t ToXdkProtectFlags(uint32_t protect) {
uint32_t result = 0;
if (!(protect & kMemoryProtectRead) && !(protect & kMemoryProtectWrite)) {
result = X_PAGE_NOACCESS;
} else if ((protect & kMemoryProtectRead) &&
!(protect & kMemoryProtectWrite)) {
result = X_PAGE_READONLY;
} else {
result = X_PAGE_READWRITE;
}
if (protect & kMemoryProtectNoCache) {
result = X_PAGE_NOCACHE;
}
if (protect & kMemoryProtectWriteCombine) {
result = X_PAGE_WRITECOMBINE;
}
return result;
}
uint32_t FromXdkProtectFlags(uint32_t protect) {
uint32_t result = 0;
if ((protect & X_PAGE_READONLY) | (protect & X_PAGE_EXECUTE_READ)) {
result |= kMemoryProtectRead;
} else if ((protect & X_PAGE_READWRITE) |
(protect & X_PAGE_EXECUTE_READWRITE)) {
result |= kMemoryProtectRead | kMemoryProtectWrite;
}
if (protect & X_PAGE_NOCACHE) {
result |= kMemoryProtectNoCache;
}
if (protect & X_PAGE_WRITECOMBINE) {
result |= kMemoryProtectWriteCombine;
}
return result;
}
SHIM_CALL NtAllocateVirtualMemory_shim(PPCContext* ppc_state,
KernelState* state) {
uint32_t base_addr_ptr = SHIM_GET_ARG_32(0);
uint32_t base_addr_value = SHIM_MEM_32(base_addr_ptr);
uint32_t region_size_ptr = SHIM_GET_ARG_32(1);
uint32_t region_size_value = SHIM_MEM_32(region_size_ptr);
uint32_t allocation_type = SHIM_GET_ARG_32(2); // X_MEM_* bitmask
uint32_t protect_bits = SHIM_GET_ARG_32(3); // X_PAGE_* bitmask
uint32_t alloc_type = SHIM_GET_ARG_32(2); // X_MEM_* bitmask
uint32_t protect_bits = SHIM_GET_ARG_32(3); // X_PAGE_* bitmask
uint32_t unknown = SHIM_GET_ARG_32(4);
XELOGD("NtAllocateVirtualMemory(%.8X(%.8X), %.8X(%.8X), %.8X, %.8X, %.8X)",
base_addr_ptr, base_addr_value, region_size_ptr, region_size_value,
allocation_type, protect_bits, unknown);
alloc_type, protect_bits, unknown);
// NTSTATUS
// _Inout_ PVOID *BaseAddress,
@ -52,12 +88,12 @@ SHIM_CALL NtAllocateVirtualMemory_shim(PPCContext* ppc_state,
return;
}
// Check allocation type.
if (!(allocation_type & (X_MEM_COMMIT | X_MEM_RESET | X_MEM_RESERVE))) {
if (!(alloc_type & (X_MEM_COMMIT | X_MEM_RESET | X_MEM_RESERVE))) {
SHIM_SET_RETURN_32(X_STATUS_INVALID_PARAMETER);
return;
}
// If MEM_RESET is set only MEM_RESET can be set.
if (allocation_type & X_MEM_RESET && (allocation_type & ~X_MEM_RESET)) {
if (alloc_type & X_MEM_RESET && (alloc_type & ~X_MEM_RESET)) {
SHIM_SET_RETURN_32(X_STATUS_INVALID_PARAMETER);
return;
}
@ -68,37 +104,60 @@ SHIM_CALL NtAllocateVirtualMemory_shim(PPCContext* ppc_state,
}
// Adjust size.
uint32_t adjusted_size = region_size_value;
// TODO(benvanik): adjust based on page size flags/etc?
// TODO(benvanik): support different allocation types.
// Right now we treat everything as a commit and ignore allocations that have
// already happened.
if (base_addr_value) {
// Having a pointer already means that this is likely a follow-on COMMIT.
assert_true(!(allocation_type & X_MEM_RESERVE) &&
(allocation_type & X_MEM_COMMIT));
SHIM_SET_MEM_32(base_addr_ptr, base_addr_value);
SHIM_SET_MEM_32(region_size_ptr, adjusted_size);
SHIM_SET_RETURN_32(X_STATUS_SUCCESS);
return;
uint32_t page_size = 4096;
if (alloc_type & X_MEM_LARGE_PAGES) {
page_size = 64 * 1024;
}
if (int32_t(region_size_value) < 0) {
// Some games pass in negative sizes.
region_size_value = -int32_t(region_size_value);
}
uint32_t adjusted_size = xe::round_up(region_size_value, page_size);
// Allocate.
uint32_t flags = (allocation_type & X_MEM_NOZERO) ? 0 : MEMORY_FLAG_ZERO;
uint32_t addr = (uint32_t)state->memory()->HeapAlloc(base_addr_value,
adjusted_size, flags);
if (!addr) {
uint32_t allocation_type = 0;
if (alloc_type & X_MEM_RESERVE) {
allocation_type |= kMemoryAllocationReserve;
}
if (alloc_type & X_MEM_COMMIT) {
allocation_type |= kMemoryAllocationCommit;
}
if (alloc_type & X_MEM_RESET) {
XELOGE("X_MEM_RESET not implemented");
assert_always();
}
uint32_t protect = FromXdkProtectFlags(protect_bits);
uint32_t address = 0;
if (base_addr_value) {
auto heap = state->memory()->LookupHeap(base_addr_value);
if (heap->AllocFixed(base_addr_value, adjusted_size, page_size,
allocation_type, protect)) {
address = base_addr_value;
}
} else {
bool top_down = !!(alloc_type & X_MEM_TOP_DOWN);
auto heap = state->memory()->LookupHeapByType(false, page_size);
heap->Alloc(adjusted_size, page_size, allocation_type, protect, top_down,
&address);
}
if (!address) {
// Failed - assume no memory available.
SHIM_SET_RETURN_32(X_STATUS_NO_MEMORY);
return;
}
XELOGD("NtAllocateVirtualMemory = %.8X", addr);
// Zero memory, if needed.
if (address && !(alloc_type & X_MEM_NOZERO)) {
if (alloc_type & X_MEM_COMMIT) {
state->memory()->Zero(address, adjusted_size);
}
}
XELOGD("NtAllocateVirtualMemory = %.8X", address);
// Stash back.
// Maybe set X_STATUS_ALREADY_COMMITTED if MEM_COMMIT?
SHIM_SET_MEM_32(base_addr_ptr, addr);
SHIM_SET_MEM_32(base_addr_ptr, address);
SHIM_SET_MEM_32(region_size_ptr, adjusted_size);
SHIM_SET_RETURN_32(X_STATUS_SUCCESS);
}
@ -130,22 +189,24 @@ SHIM_CALL NtFreeVirtualMemory_shim(PPCContext* ppc_state, KernelState* state) {
return;
}
// TODO(benvanik): ignore decommits for now.
auto heap = state->memory()->LookupHeap(base_addr_value);
bool result = false;
if (free_type == X_MEM_DECOMMIT) {
SHIM_SET_RETURN_32(X_STATUS_SUCCESS);
return;
}
// If zero, we may need to query size (free whole region).
assert_not_zero(region_size_value);
// Free.
uint32_t flags = 0;
uint32_t freed_size = state->memory()->HeapFree(base_addr_value, flags);
if (!freed_size) {
region_size_value = xe::round_up(region_size_value, heap->page_size());
result = heap->Decommit(base_addr_value, region_size_value);
} else {
result = heap->Release(base_addr_value, &region_size_value);
}
if (!result) {
SHIM_SET_RETURN_32(X_STATUS_UNSUCCESSFUL);
return;
}
SHIM_SET_MEM_32(base_addr_ptr, base_addr_value);
SHIM_SET_MEM_32(region_size_ptr, freed_size);
SHIM_SET_MEM_32(region_size_ptr, region_size_value);
SHIM_SET_RETURN_32(X_STATUS_SUCCESS);
}
@ -168,9 +229,9 @@ SHIM_CALL NtQueryVirtualMemory_shim(PPCContext* ppc_state, KernelState* state) {
XELOGD("NtQueryVirtualMemory(%.8X, %.8X)", base_address,
memory_basic_information_ptr);
AllocationInfo alloc_info;
size_t result = state->memory()->QueryInformation(base_address, &alloc_info);
if (!result) {
auto heap = state->memory()->LookupHeap(base_address);
HeapAllocationInfo alloc_info;
if (!heap->QueryRegionInfo(base_address, &alloc_info)) {
SHIM_SET_RETURN_32(X_STATUS_INVALID_PARAMETER);
return;
}
@ -179,15 +240,21 @@ SHIM_CALL NtQueryVirtualMemory_shim(PPCContext* ppc_state, KernelState* state) {
static_cast<uint32_t>(alloc_info.base_address);
memory_basic_information->allocation_base =
static_cast<uint32_t>(alloc_info.allocation_base);
memory_basic_information->allocation_protect = alloc_info.allocation_protect;
memory_basic_information->allocation_protect =
ToXdkProtectFlags(alloc_info.allocation_protect);
memory_basic_information->region_size =
static_cast<uint32_t>(alloc_info.region_size);
memory_basic_information->state = alloc_info.state;
memory_basic_information->protect = alloc_info.protect;
uint32_t x_state = 0;
if (alloc_info.state & kMemoryAllocationReserve) {
x_state |= X_MEM_RESERVE;
}
if (alloc_info.state & kMemoryAllocationCommit) {
x_state |= X_MEM_COMMIT;
}
memory_basic_information->state = x_state;
memory_basic_information->protect = ToXdkProtectFlags(alloc_info.protect);
memory_basic_information->type = alloc_info.type;
XELOGE("NtQueryVirtualMemory NOT IMPLEMENTED");
SHIM_SET_RETURN_32(X_STATUS_SUCCESS);
}
@ -242,27 +309,20 @@ SHIM_CALL MmAllocatePhysicalMemoryEx_shim(PPCContext* ppc_state,
assert_true(min_addr_range == 0);
assert_true(max_addr_range == 0xFFFFFFFF);
// Allocate.
uint32_t flags = MEMORY_FLAG_PHYSICAL;
uint32_t base_address = (uint32_t)state->memory()->HeapAlloc(
0, adjusted_size, flags, adjusted_alignment);
if (!base_address) {
uint32_t allocation_type = kMemoryAllocationReserve | kMemoryAllocationCommit;
uint32_t protect = FromXdkProtectFlags(protect_bits);
bool top_down = true;
auto heap = state->memory()->LookupHeapByType(true, page_size);
uint32_t base_address;
if (!heap->AllocRange(min_addr_range, max_addr_range, adjusted_size,
adjusted_alignment, allocation_type, protect, top_down,
&base_address)) {
// Failed - assume no memory available.
SHIM_SET_RETURN_32(0);
return;
}
XELOGD("MmAllocatePhysicalMemoryEx = %.8X", base_address);
// Move the address into the right range.
// if (protect_bits & X_MEM_LARGE_PAGES) {
// base_address += 0xA0000000;
//} else if (protect_bits & X_MEM_16MB_PAGES) {
// base_address += 0xC0000000;
//} else {
// base_address += 0xE0000000;
//}
base_address += 0xA0000000;
SHIM_SET_RETURN_64(base_address);
}
@ -274,14 +334,10 @@ SHIM_CALL MmFreePhysicalMemory_shim(PPCContext* ppc_state, KernelState* state) {
// base_address = result of MmAllocatePhysicalMemory.
// Strip off physical bits before passing down.
base_address &= ~0xE0000000;
assert_true((base_address & 0x1F) == 0);
// TODO(benvanik): free memory.
XELOGE("xeMmFreePhysicalMemory NOT IMPLEMENTED");
// uint32_t size = ?;
// xe_memory_heap_free(
// state->memory(), base_address, size);
auto heap = state->memory()->LookupHeap(base_address);
heap->Release(base_address);
}
SHIM_CALL MmQueryAddressProtect_shim(PPCContext* ppc_state,
@ -290,7 +346,12 @@ SHIM_CALL MmQueryAddressProtect_shim(PPCContext* ppc_state,
XELOGD("MmQueryAddressProtect(%.8X)", base_address);
uint32_t access = state->memory()->QueryProtect(base_address);
auto heap = state->memory()->LookupHeap(base_address);
uint32_t access;
if (!heap->QueryProtect(base_address, &access)) {
access = 0;
}
access = ToXdkProtectFlags(access);
SHIM_SET_RETURN_32(access);
}
@ -301,9 +362,13 @@ SHIM_CALL MmQueryAllocationSize_shim(PPCContext* ppc_state,
XELOGD("MmQueryAllocationSize(%.8X)", base_address);
size_t size = state->memory()->QuerySize(base_address);
auto heap = state->memory()->LookupHeap(base_address);
uint32_t size;
if (!heap->QuerySize(base_address, &size)) {
size = 0;
}
SHIM_SET_RETURN_32(static_cast<uint32_t>(size));
SHIM_SET_RETURN_32(size);
}
SHIM_CALL MmQueryStatistics_shim(PPCContext* ppc_state, KernelState* state) {
@ -372,19 +437,12 @@ SHIM_CALL MmGetPhysicalAddress_shim(PPCContext* ppc_state, KernelState* state) {
// );
// base_address = result of MmAllocatePhysicalMemory.
// We are always using virtual addresses, right now, since we don't need
// physical ones. We could munge up the address here to another mapped view
// of memory.
uint32_t physical_address = base_address & 0x1FFFFFFF;
if (base_address >= 0xE0000000) {
physical_address += 0x1000;
}
/*if (protect_bits & X_MEM_LARGE_PAGES) {
base_address |= 0xA0000000;
} else if (protect_bits & X_MEM_16MB_PAGES) {
base_address |= 0xC0000000;
} else {
base_address |= 0xE0000000;
}*/
SHIM_SET_RETURN_64(base_address);
SHIM_SET_RETURN_64(physical_address);
}
SHIM_CALL MmMapIoSpace_shim(PPCContext* ppc_state, KernelState* state) {

5
src/xenia/kernel/xboxkrnl_ob.cc
View File

@ -83,6 +83,11 @@ SHIM_CALL ObReferenceObjectByHandle_shim(PPCContext* ppc_state,
} break;
}
} break;
case 0xD017BEEF: { // ExSemaphoreObjectType
// TODO(benvanik): implement.
assert_unhandled_case(object_type_ptr);
native_ptr = 0xDEADF00D;
} break;
case 0xD01BBEEF: { // ExThreadObjectType
XThread* thread = (XThread*)object;
native_ptr = thread->thread_state_ptr();

8
src/xenia/kernel/xboxkrnl_rtl.cc
View File

@ -522,8 +522,8 @@ SHIM_CALL RtlEnterCriticalSection_shim(PPCContext* ppc_state,
// XELOGD("RtlEnterCriticalSection(%.8X)", cs_ptr);
const uint8_t* thread_state_block = SHIM_MEM_ADDR(ppc_state->r[13]);
uint32_t thread_id = XThread::GetCurrentThreadId(thread_state_block);
const uint8_t* pcr = SHIM_MEM_ADDR(ppc_state->r[13]);
uint32_t thread_id = XThread::GetCurrentThreadId(pcr);
auto cs = (X_RTL_CRITICAL_SECTION*)SHIM_MEM_ADDR(cs_ptr);
@ -564,8 +564,8 @@ SHIM_CALL RtlTryEnterCriticalSection_shim(PPCContext* ppc_state,
// XELOGD("RtlTryEnterCriticalSection(%.8X)", cs_ptr);
const uint8_t* thread_state_block = SHIM_MEM_ADDR(ppc_state->r[13]);
uint32_t thread_id = XThread::GetCurrentThreadId(thread_state_block);
const uint8_t* pcr = SHIM_MEM_ADDR(ppc_state->r[13]);
uint32_t thread_id = XThread::GetCurrentThreadId(pcr);
auto cs = (X_RTL_CRITICAL_SECTION*)SHIM_MEM_ADDR(cs_ptr);

38
src/xenia/kernel/xboxkrnl_threading.cc
View File

@ -64,6 +64,9 @@ void AssertNoNameCollision(KernelState* state, uint32_t obj_attributes_ptr) {
// with a success of NAME_EXISTS.
// If the name exists and its type doesn't match, we do NAME_COLLISION.
// Otherwise, we add like normal.
if (!obj_attributes_ptr) {
return;
}
uint32_t name_str_ptr = xe::load_and_swap<uint32_t>(
state->memory()->TranslateVirtual(obj_attributes_ptr + 4));
if (name_str_ptr) {
@ -460,9 +463,7 @@ SHIM_CALL NtCreateEvent_shim(PPCContext* ppc_state, KernelState* state) {
// TODO(benvanik): check for name collision. May return existing object if
// type matches.
if (obj_attributes_ptr) {
AssertNoNameCollision(state, obj_attributes_ptr);
}
AssertNoNameCollision(state, obj_attributes_ptr);
XEvent* ev = new XEvent(state);
ev->Initialize(!event_type, !!initial_state);
@ -1304,6 +1305,35 @@ SHIM_CALL KeRemoveQueueDpc_shim(PPCContext* ppc_state, KernelState* state) {
SHIM_SET_RETURN_64(result ? 1 : 0);
}
std::mutex global_list_mutex_;
// http://www.nirsoft.net/kernel_struct/vista/SLIST_HEADER.html
SHIM_CALL InterlockedPopEntrySList_shim(PPCContext* ppc_state,
KernelState* state) {
uint32_t plist_ptr = SHIM_GET_ARG_32(0);
XELOGD("InterlockedPopEntrySList(%.8X)", plist_ptr);
std::lock_guard<std::mutex> lock(global_list_mutex_);
uint8_t* p = state->memory()->TranslateVirtual(plist_ptr);
auto first = xe::load_and_swap<uint32_t>(p);
if (first == 0) {
// List empty!
SHIM_SET_RETURN_32(0);
return;
}
uint8_t* p2 = state->memory()->TranslateVirtual(first);
auto second = xe::load_and_swap<uint32_t>(p2);
// Now drop the first element
xe::store_and_swap<uint32_t>(p, second);
// Return the one we popped
SHIM_SET_RETURN_32(first);
}
} // namespace kernel
} // namespace xe
@ -1379,4 +1409,6 @@ void xe::kernel::xboxkrnl::RegisterThreadingExports(
SHIM_SET_MAPPING("xboxkrnl.exe", KeInitializeDpc, state);
SHIM_SET_MAPPING("xboxkrnl.exe", KeInsertQueueDpc, state);
SHIM_SET_MAPPING("xboxkrnl.exe", KeRemoveQueueDpc, state);
SHIM_SET_MAPPING("xboxkrnl.exe", InterlockedPopEntrySList, state);
}

5
src/xenia/kernel/xboxkrnl_video.cc
View File

@ -380,6 +380,11 @@ SHIM_CALL VdPersistDisplay_shim(PPCContext* ppc_state, KernelState* state) {
// unk1_ptr needs to be populated with a pointer passed to
// MmFreePhysicalMemory(1, *unk1_ptr).
auto heap = state->memory()->LookupHeapByType(true, 16 * 1024);
uint32_t unk1_value;
heap->Alloc(64, 32, kMemoryAllocationReserve | kMemoryAllocationCommit,
kMemoryProtectNoAccess, false, &unk1_value);
SHIM_SET_MEM_32(unk1_ptr, unk1_value);
// ?
SHIM_SET_RETURN_64(1);

12
src/xenia/kernel/xobject.cc
View File

@ -113,6 +113,7 @@ X_STATUS XObject::Wait(uint32_t wait_reason, uint32_t processor_mode,
// Or X_STATUS_ALERTED?
return X_STATUS_USER_APC;
case WAIT_TIMEOUT:
YieldProcessor();
return X_STATUS_TIMEOUT;
default:
case WAIT_FAILED:
@ -151,13 +152,16 @@ X_STATUS XObject::WaitMultiple(uint32_t count, XObject** objects,
return result;
}
void XObject::SetNativePointer(uint32_t native_ptr) {
std::lock_guard<std::mutex> lock(kernel_state_->object_mutex());
void XObject::SetNativePointer(uint32_t native_ptr, bool uninitialized) {
std::lock_guard<std::recursive_mutex> lock(kernel_state_->object_mutex());
auto header =
kernel_state_->memory()->TranslateVirtual<DISPATCH_HEADER*>(native_ptr);
assert_true(!(header->wait_list_blink & 0x1));
// Memory uninitialized, so don't bother with the check.
if (!uninitialized) {
assert_true(!(header->wait_list_blink & 0x1));
}
// Stash pointer in struct.
uint64_t object_ptr = reinterpret_cast<uint64_t>(this);
@ -177,7 +181,7 @@ XObject* XObject::GetObject(KernelState* kernel_state, void* native_ptr,
// We identify this by checking the low bit of wait_list_blink - if it's 1,
// we have already put our pointer in there.
std::lock_guard<std::mutex> lock(kernel_state->object_mutex());
std::lock_guard<std::recursive_mutex> lock(kernel_state->object_mutex());
auto header = reinterpret_cast<DISPATCH_HEADER*>(native_ptr);

2
src/xenia/kernel/xobject.h
View File

@ -78,7 +78,7 @@ class XObject {
virtual void* GetWaitHandle() { return 0; }
protected:
void SetNativePointer(uint32_t native_ptr);
void SetNativePointer(uint32_t native_ptr, bool uninitialized = false);
static uint32_t TimeoutTicksToMs(int64_t timeout_ticks);

1286
src/xenia/memory.cc
View File

File diff suppressed because it is too large Load Diff

171
src/xenia/memory.h
View File

@ -12,6 +12,7 @@
#include <cstdint>
#include <memory>
#include <mutex>
#include <vector>
#include "xenia/base/platform.h"
@ -25,25 +26,129 @@ enum SystemHeapFlag : uint32_t {
kSystemHeapDefault = kSystemHeapVirtual,
};
class MemoryHeap;
// TODO(benvanik): move to heap.
enum {
MEMORY_FLAG_64KB_PAGES = (1 << 1),
MEMORY_FLAG_ZERO = (1 << 2),
MEMORY_FLAG_PHYSICAL = (1 << 3),
enum MemoryAllocationFlag : uint32_t {
kMemoryAllocationReserve = 1 << 0,
kMemoryAllocationCommit = 1 << 1,
};
enum MemoryProtectFlag : uint32_t {
kMemoryProtectRead = 1 << 0,
kMemoryProtectWrite = 1 << 1,
kMemoryProtectNoCache = 1 << 2,
kMemoryProtectWriteCombine = 1 << 3,
kMemoryProtectNoAccess = 0,
};
// TODO(benvanik): move to heap.
// Equivalent to the Win32 MEMORY_BASIC_INFORMATION struct.
struct AllocationInfo {
struct HeapAllocationInfo {
// A pointer to the base address of the region of pages.
uint32_t base_address;
// A pointer to the base address of a range of pages allocated by the
// VirtualAlloc function. The page pointed to by the BaseAddress member is
// contained within this allocation range.
uint32_t allocation_base;
uint32_t allocation_protect; // TBD
size_t region_size;
uint32_t state; // TBD
uint32_t protect; // TBD
uint32_t type; // TBD
// The memory protection option when the region was initially allocated.
uint32_t allocation_protect;
// The size of the region beginning at the base address in which all pages
// have identical attributes, in bytes.
uint32_t region_size;
// The state of the pages in the region (commit/free/reserve).
uint32_t state;
// The access protection of the pages in the region.
uint32_t protect;
// The type of pages in the region (private).
uint32_t type;
};
union PageEntry {
struct {
uint32_t base_address : 20; // in 4k pages
uint32_t region_page_count : 20; // in 4k pages
uint32_t allocation_protect : 4;
uint32_t current_protect : 4;
uint32_t state : 2;
uint32_t reserved : 14;
};
uint64_t qword;
};
class BaseHeap {
public:
virtual ~BaseHeap();
uint32_t page_size() const { return page_size_; }
virtual void Dispose();
void DumpMap();
virtual bool Alloc(uint32_t size, uint32_t alignment,
uint32_t allocation_type, uint32_t protect, bool top_down,
uint32_t* out_address);
virtual bool AllocFixed(uint32_t base_address, uint32_t size,
uint32_t alignment, uint32_t allocation_type,
uint32_t protect);
virtual bool AllocRange(uint32_t low_address, uint32_t high_address,
uint32_t size, uint32_t alignment,
uint32_t allocation_type, uint32_t protect,
bool top_down, uint32_t* out_address);
virtual bool Decommit(uint32_t address, uint32_t size);
virtual bool Release(uint32_t address, uint32_t* out_region_size = nullptr);
virtual bool Protect(uint32_t address, uint32_t size, uint32_t protect);
bool QueryRegionInfo(uint32_t base_address, HeapAllocationInfo* out_info);
bool QuerySize(uint32_t address, uint32_t* out_size);
bool QueryProtect(uint32_t address, uint32_t* out_protect);
uint32_t GetPhysicalAddress(uint32_t address);
protected:
BaseHeap();
void Initialize(uint8_t* membase, uint32_t heap_base, uint32_t heap_size,
uint32_t page_size);
uint8_t* membase_;
uint32_t heap_base_;
uint32_t heap_size_;
uint32_t page_size_;
std::vector<PageEntry> page_table_;
std::recursive_mutex heap_mutex_;
};
class VirtualHeap : public BaseHeap {
public:
VirtualHeap();
~VirtualHeap() override;
void Initialize(uint8_t* membase, uint32_t heap_base, uint32_t heap_size,
uint32_t page_size);
};
class PhysicalHeap : public BaseHeap {
public:
PhysicalHeap();
~PhysicalHeap() override;
void Initialize(uint8_t* membase, uint32_t heap_base, uint32_t heap_size,
uint32_t page_size, VirtualHeap* parent_heap);
bool Alloc(uint32_t size, uint32_t alignment, uint32_t allocation_type,
uint32_t protect, bool top_down, uint32_t* out_address) override;
bool AllocFixed(uint32_t base_address, uint32_t size, uint32_t alignment,
uint32_t allocation_type, uint32_t protect) override;
bool AllocRange(uint32_t low_address, uint32_t high_address, uint32_t size,
uint32_t alignment, uint32_t allocation_type,
uint32_t protect, bool top_down,
uint32_t* out_address) override;
bool Decommit(uint32_t address, uint32_t size) override;
bool Release(uint32_t base_address,
uint32_t* out_region_size = nullptr) override;
bool Protect(uint32_t address, uint32_t size, uint32_t protect) override;
protected:
VirtualHeap* parent_heap_;
};
class Memory {
@ -82,27 +187,24 @@ class Memory {
uint32_t SearchAligned(uint32_t start, uint32_t end, const uint32_t* values,
size_t value_count);
bool AddMappedRange(uint32_t address, uint32_t mask, uint32_t size,
void* context, cpu::MMIOReadCallback read_callback,
cpu::MMIOWriteCallback write_callback);
bool AddVirtualMappedRange(uint32_t virtual_address, uint32_t mask,
uint32_t size, void* context,
cpu::MMIOReadCallback read_callback,
cpu::MMIOWriteCallback write_callback);
uintptr_t AddWriteWatch(uint32_t guest_address, uint32_t length,
cpu::WriteWatchCallback callback,
void* callback_context, void* callback_data);
uintptr_t AddPhysicalWriteWatch(uint32_t physical_address, uint32_t length,
cpu::WriteWatchCallback callback,
void* callback_context, void* callback_data);
void CancelWriteWatch(uintptr_t watch_handle);
uint32_t SystemHeapAlloc(uint32_t size, uint32_t alignment = 0x20,
uint32_t system_heap_flags = kSystemHeapDefault);
void SystemHeapFree(uint32_t address);
uint32_t HeapAlloc(uint32_t base_address, uint32_t size, uint32_t flags,
uint32_t alignment = 0x20);
int HeapFree(uint32_t address, uint32_t size);
bool QueryInformation(uint32_t base_address, AllocationInfo* mem_info);
uint32_t QuerySize(uint32_t base_address);
BaseHeap* LookupHeap(uint32_t address);
BaseHeap* LookupHeapByType(bool physical, uint32_t page_size);
int Protect(uint32_t address, uint32_t size, uint32_t access);
uint32_t QueryProtect(uint32_t address);
void DumpMap();
private:
int MapViews(uint8_t* mapping_base);
@ -122,22 +224,31 @@ class Memory {
uint8_t* v00000000;
uint8_t* v40000000;
uint8_t* v7F000000;
uint8_t* v7F100000;
uint8_t* v80000000;
uint8_t* v90000000;
uint8_t* vA0000000;
uint8_t* vC0000000;
uint8_t* vE0000000;
uint8_t* physical;
};
uint8_t* all_views[9];
} views_;
std::unique_ptr<cpu::MMIOHandler> mmio_handler_;
MemoryHeap* virtual_heap_;
MemoryHeap* physical_heap_;
struct {
VirtualHeap v00000000;
VirtualHeap v40000000;
VirtualHeap v80000000;
VirtualHeap v90000000;
friend class MemoryHeap;
VirtualHeap physical;
PhysicalHeap vA0000000;
PhysicalHeap vC0000000;
PhysicalHeap vE0000000;
} heaps_;
friend class BaseHeap;
};
} // namespace xe