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cp15 but better

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This commit is contained in:
wheremyfoodat 2022-09-15 22:42:36 +03:00
parent 58fe2bcf18
commit d8cf0e2de2
5 changed files with 36 additions and 7 deletions

11
include/dynarmic_cp15.hpp
View file

@ -4,6 +4,7 @@
#include "dynarmic/interface/A32/config.h"
#include "dynarmic/interface/A32/coprocessor.h"
#include "helpers.hpp"
#include "memory.hpp"
class CP15 final : public Dynarmic::A32::Coprocessor {
using Callback = Dynarmic::A32::Coprocessor::Callback;
@ -11,7 +12,7 @@ class CP15 final : public Dynarmic::A32::Coprocessor {
using CallbackOrAccessOneWord = Dynarmic::A32::Coprocessor::CallbackOrAccessOneWord;
using CallbackOrAccessTwoWords = Dynarmic::A32::Coprocessor::CallbackOrAccessTwoWords;
u32 threadStoragePointer = 0x696966969; // Pointer to thread-local storage
u32 threadStoragePointer; // Pointer to thread-local storage
std::optional<Callback> CompileInternalOperation(bool two, unsigned opc1,
CoprocReg CRd, CoprocReg CRn,
@ -30,6 +31,11 @@ class CP15 final : public Dynarmic::A32::Coprocessor {
CallbackOrAccessOneWord CompileGetOneWord(bool two, unsigned opc1, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) override {
// Some sort of pointer to TLS, accessed via mrc p15, 0, rd, c13, c0, 3
if (!two && CRn == CoprocReg::C13 && opc1 == 0 && CRm == CoprocReg::C0 && opc2 == 3) {
return &threadStoragePointer;
}
Helpers::panic("CP15: CompileGetOneWord");
}
@ -47,7 +53,8 @@ class CP15 final : public Dynarmic::A32::Coprocessor {
return std::nullopt;
}
public:
void reset() {
threadStoragePointer = VirtualAddrs::TLSBase;
}
};