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// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <fmt/format.h>
#include "common/logging/log.h"
#include "core/arm/dynarmic/arm_dynarmic_32.h"
#include "core/arm/dynarmic/arm_dynarmic_cp15.h"
#include "core/core.h"
#include "core/core_timing.h"
using Callback = Dynarmic::A32::Coprocessor::Callback;
using CallbackOrAccessOneWord = Dynarmic::A32::Coprocessor::CallbackOrAccessOneWord;
using CallbackOrAccessTwoWords = Dynarmic::A32::Coprocessor::CallbackOrAccessTwoWords;
template <>
struct fmt::formatter<Dynarmic::A32::CoprocReg> {
constexpr auto parse(format_parse_context& ctx) {
return ctx.begin();
}
template <typename FormatContext>
auto format(const Dynarmic::A32::CoprocReg& reg, FormatContext& ctx) {
return fmt::format_to(ctx.out(), "cp{}", static_cast<size_t>(reg));
}
};
namespace Core {
static u32 dummy_value;
std::optional<Callback> DynarmicCP15::CompileInternalOperation(bool two, unsigned opc1,
CoprocReg CRd, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) {
LOG_CRITICAL(Core_ARM, "CP15: cdp{} p15, {}, {}, {}, {}, {}", two ? "2" : "", opc1, CRd, CRn,
CRm, opc2);
return std::nullopt;
}
CallbackOrAccessOneWord DynarmicCP15::CompileSendOneWord(bool two, unsigned opc1, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) {
if (!two && CRn == CoprocReg::C7 && opc1 == 0 && CRm == CoprocReg::C5 && opc2 == 4) {
// CP15_FLUSH_PREFETCH_BUFFER
// This is a dummy write, we ignore the value written here.
return &dummy_value;
}
if (!two && CRn == CoprocReg::C7 && opc1 == 0 && CRm == CoprocReg::C10) {
switch (opc2) {
case 4:
// CP15_DATA_SYNC_BARRIER
// This is a dummy write, we ignore the value written here.
return &dummy_value;
case 5:
// CP15_DATA_MEMORY_BARRIER
// This is a dummy write, we ignore the value written here.
return &dummy_value;
}
}
if (!two && CRn == CoprocReg::C13 && opc1 == 0 && CRm == CoprocReg::C0 && opc2 == 2) {
// CP15_THREAD_UPRW
return &uprw;
}
LOG_CRITICAL(Core_ARM, "CP15: mcr{} p15, {}, <Rt>, {}, {}, {}", two ? "2" : "", opc1, CRn, CRm,
opc2);
return {};
}
CallbackOrAccessTwoWords DynarmicCP15::CompileSendTwoWords(bool two, unsigned opc, CoprocReg CRm) {
LOG_CRITICAL(Core_ARM, "CP15: mcrr{} p15, {}, <Rt>, <Rt2>, {}", two ? "2" : "", opc, CRm);
return {};
}
CallbackOrAccessOneWord DynarmicCP15::CompileGetOneWord(bool two, unsigned opc1, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) {
if (!two && CRn == CoprocReg::C13 && opc1 == 0 && CRm == CoprocReg::C0) {
switch (opc2) {
case 2:
// CP15_THREAD_UPRW
return &uprw;
case 3:
// CP15_THREAD_URO
return &uro;
}
}
LOG_CRITICAL(Core_ARM, "CP15: mrc{} p15, {}, <Rt>, {}, {}, {}", two ? "2" : "", opc1, CRn, CRm,
opc2);
return {};
}
CallbackOrAccessTwoWords DynarmicCP15::CompileGetTwoWords(bool two, unsigned opc, CoprocReg CRm) {
if (!two && opc == 0 && CRm == CoprocReg::C14) {
// CNTPCT
const auto callback = [](Dynarmic::A32::Jit*, void* arg, u32, u32) -> u64 {
const auto& parent_arg = *static_cast<ARM_Dynarmic_32*>(arg);
return parent_arg.system.CoreTiming().GetClockTicks();
};
return Callback{callback, &parent};
}
LOG_CRITICAL(Core_ARM, "CP15: mrrc{} p15, {}, <Rt>, <Rt2>, {}", two ? "2" : "", opc, CRm);
return {};
}
std::optional<Callback> DynarmicCP15::CompileLoadWords(bool two, bool long_transfer, CoprocReg CRd,
std::optional<u8> option) {
if (option) {
LOG_CRITICAL(Core_ARM, "CP15: mrrc{}{} p15, {}, [...], {}", two ? "2" : "",
long_transfer ? "l" : "", CRd, *option);
} else {
LOG_CRITICAL(Core_ARM, "CP15: mrrc{}{} p15, {}, [...]", two ? "2" : "",
long_transfer ? "l" : "", CRd);
}
return std::nullopt;
}
std::optional<Callback> DynarmicCP15::CompileStoreWords(bool two, bool long_transfer, CoprocReg CRd,
std::optional<u8> option) {
if (option) {
LOG_CRITICAL(Core_ARM, "CP15: mrrc{}{} p15, {}, [...], {}", two ? "2" : "",
long_transfer ? "l" : "", CRd, *option);
} else {
LOG_CRITICAL(Core_ARM, "CP15: mrrc{}{} p15, {}, [...]", two ? "2" : "",
long_transfer ? "l" : "", CRd);
}
return std::nullopt;
}
} // namespace Core
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