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Implement exclusive monitor

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This commit is contained in:
MerryMage
2018-07-03 14:28:46 +01:00
parent 258a5cee84
commit 0b1c2e5505
9 changed files with 160 additions and 13 deletions
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67
src/core/arm/dynarmic/arm_dynarmic.cpp
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@ -102,18 +102,28 @@ public:
u64 tpidr_el0 = 0;
};
std::unique_ptr<Dynarmic::A64::Jit> MakeJit(const std::unique_ptr<ARM_Dynarmic_Callbacks>& cb) {
std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit() {
const auto page_table = Core::CurrentProcess()->vm_manager.page_table.pointers.data();
Dynarmic::A64::UserConfig config;
// Callbacks
config.callbacks = cb.get();
// Memory
config.page_table = reinterpret_cast<void**>(page_table);
config.page_table_address_space_bits = Memory::ADDRESS_SPACE_BITS;
config.silently_mirror_page_table = false;
// Multi-process state
config.processor_id = core_index;
config.global_monitor = &exclusive_monitor->monitor;
// System registers
config.tpidrro_el0 = &cb->tpidrro_el0;
config.tpidr_el0 = &cb->tpidr_el0;
config.dczid_el0 = 4;
config.ctr_el0 = 0x8444c004;
config.page_table = reinterpret_cast<void**>(page_table);
config.page_table_address_space_bits = Memory::ADDRESS_SPACE_BITS;
config.silently_mirror_page_table = false;
return std::make_unique<Dynarmic::A64::Jit>(config);
}
@ -128,8 +138,11 @@ void ARM_Dynarmic::Step() {
cb->InterpreterFallback(jit->GetPC(), 1);
}
ARM_Dynarmic::ARM_Dynarmic()
: cb(std::make_unique<ARM_Dynarmic_Callbacks>(*this)), jit(MakeJit(cb)) {
ARM_Dynarmic::ARM_Dynarmic(std::shared_ptr<ExclusiveMonitor> exclusive_monitor, size_t core_index)
: cb(std::make_unique<ARM_Dynarmic_Callbacks>(*this)),
jit(MakeJit()), exclusive_monitor{std::dynamic_pointer_cast<DynarmicExclusiveMonitor>(
exclusive_monitor)},
core_index{core_index} {
ARM_Interface::ThreadContext ctx;
inner_unicorn.SaveContext(ctx);
LoadContext(ctx);
@ -237,6 +250,46 @@ void ARM_Dynarmic::ClearExclusiveState() {
}
void ARM_Dynarmic::PageTableChanged() {
jit = MakeJit(cb);
jit = MakeJit();
current_page_table = Memory::GetCurrentPageTable();
}
DynarmicExclusiveMonitor::DynarmicExclusiveMonitor(size_t core_count) : monitor(core_count) {}
DynarmicExclusiveMonitor::~DynarmicExclusiveMonitor() = default;
void DynarmicExclusiveMonitor::SetExclusive(size_t core_index, u64 addr) {
// Size doesn't actually matter.
monitor.Mark(core_index, addr, 16);
}
void DynarmicExclusiveMonitor::ClearExclusive() {
monitor.Clear();
}
bool DynarmicExclusiveMonitor::ExclusiveWrite8(size_t core_index, u64 vaddr, u8 value) {
return monitor.DoExclusiveOperation(core_index, vaddr, 1,
[&] { Memory::Write8(vaddr, value); });
}
bool DynarmicExclusiveMonitor::ExclusiveWrite16(size_t core_index, u64 vaddr, u16 value) {
return monitor.DoExclusiveOperation(core_index, vaddr, 2,
[&] { Memory::Write16(vaddr, value); });
}
bool DynarmicExclusiveMonitor::ExclusiveWrite32(size_t core_index, u64 vaddr, u32 value) {
return monitor.DoExclusiveOperation(core_index, vaddr, 4,
[&] { Memory::Write32(vaddr, value); });
}
bool DynarmicExclusiveMonitor::ExclusiveWrite64(size_t core_index, u64 vaddr, u64 value) {
return monitor.DoExclusiveOperation(core_index, vaddr, 8,
[&] { Memory::Write64(vaddr, value); });
}
bool DynarmicExclusiveMonitor::ExclusiveWrite128(size_t core_index, u64 vaddr,
std::array<std::uint64_t, 2> value) {
return monitor.DoExclusiveOperation(core_index, vaddr, 16, [&] {
Memory::Write64(vaddr, value[0]);
Memory::Write64(vaddr, value[1]);
});
}