Lightemerald/windows-user-space-emulator
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refactor(rdtsc): clean up code overall

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Change type of chrono return to be auto

Co-authored-by: Maurice Heumann <MauriceHeumann@gmail.com>

simplify conditional compile and add #else to prevent clang-tidy breaking CI

Co-authored-by: Maurice Heumann <MauriceHeumann@gmail.com>
This commit is contained in:
Soham Nandy
2025-04-11 11:42:36 +05:30
parent 55f29caf0f
commit daeefb4a7f
2 changed files with 8 additions and 21 deletions
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14
src/windows-emulator/windows_emulator.cpp
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@@ -449,18 +449,8 @@ void windows_emulator::setup_hooks()
this->emu().hook_instruction(x64_hookable_instructions::rdtsc, [&] {
uint64_t ticks = this->clock_->timestamp_counter();
static uint64_t fake_ticks = ticks;
static uint64_t prev_ticks = 0;
if (ticks > prev_ticks)
{
fake_ticks += (ticks - prev_ticks);
}
fake_ticks = std::min(fake_ticks, ticks);
prev_ticks = ticks;
this->emu().reg(x64_register::rax, fake_ticks & 0xFFFFFFFF);
this->emu().reg(x64_register::rdx, (fake_ticks >> 32) & 0xFFFFFFFF);
this->emu().reg(x64_register::rax, ticks & 0xFFFFFFFF);
this->emu().reg(x64_register::rdx, (ticks >> 32) & 0xFFFFFFFF);
return instruction_hook_continuation::skip_instruction;
});