Lightemerald/windows-user-space-emulator
2
0
Fork 0
mirror of https://github.com/momo5502/emulator.git synced 2026-01-11 16:46:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

Dispatch illegal instruction

Browse Source
This commit is contained in:
momo5502
2025-01-04 11:18:50 +01:00
parent d64e73ad6e
commit 41285169d9
1 changed files with 28 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
src/windows-emulator/windows_emulator.cpp
View File

@@ -425,6 +425,27 @@ namespace
dispatch_exception_pointers(emu, dispatcher, pointers);
}
void dispatch_illegal_instruction_violation(x64_emulator& emu, const uint64_t dispatcher)
{
CONTEXT ctx{};
ctx.ContextFlags = CONTEXT_ALL;
context_frame::save(emu, ctx);
EXCEPTION_RECORD record{};
memset(&record, 0, sizeof(record));
record.ExceptionCode = static_cast<DWORD>(STATUS_ILLEGAL_INSTRUCTION);
record.ExceptionFlags = 0;
record.ExceptionRecord = nullptr;
record.ExceptionAddress = reinterpret_cast<void*>(emu.read_instruction_pointer());
record.NumberParameters = 0;
EXCEPTION_POINTERS pointers{};
pointers.ContextRecord = &ctx;
pointers.ExceptionRecord = &record;
dispatch_exception_pointers(emu, dispatcher, pointers);
}
void perform_context_switch_work(windows_emulator& win_emu)
{
auto& devices = win_emu.process().devices;
@@ -812,11 +833,18 @@ void windows_emulator::setup_hooks()
{
const auto ip = this->emu().read_instruction_pointer();
printf("Invalid instruction at: 0x%llX\n", ip);
return instruction_hook_continuation::skip_instruction;
});
this->emu().hook_interrupt([&](const int interrupt)
{
if (interrupt == 6)
{
dispatch_illegal_instruction_violation(this->emu(), this->process().ki_user_exception_dispatcher);
return;
}
const auto rip = this->emu().read_instruction_pointer();
printf("Interrupt: %i 0x%llX\n", interrupt, rip);