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time: Fix CalculateSpanBetween implementation 

CalculateSpanBetween passes in the ClockSnapshots through 2 input buffers and not as raw arguments. Fix this by reading the 2 input buffers instead of popping raw arguments.

Partially fixes Super Smash Bros. Ultimate's Spirit Board
This commit is contained in:
Morph 2021-03-10 11:15:05 -05:00
parent daf5c5060b
commit 87cfe5b1da
1 changed files with 9 additions and 3 deletions
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12
src/core/hle/service/time/time.cpp
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@ -341,12 +341,18 @@ void Module::Interface::CalculateStandardUserSystemClockDifferenceByUser(
void Module::Interface::CalculateSpanBetween(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
IPC::RequestParser rp{ctx};
const auto snapshot_a = rp.PopRaw<Clock::ClockSnapshot>();
const auto snapshot_b = rp.PopRaw<Clock::ClockSnapshot>();
Clock::ClockSnapshot snapshot_a;
Clock::ClockSnapshot snapshot_b;
const auto snapshot_a_data = ctx.ReadBuffer(0);
const auto snapshot_b_data = ctx.ReadBuffer(1);
std::memcpy(&snapshot_a, snapshot_a_data.data(), sizeof(Clock::ClockSnapshot));
std::memcpy(&snapshot_b, snapshot_b_data.data(), sizeof(Clock::ClockSnapshot));
Clock::TimeSpanType time_span_type{};
s64 span{};
if (const ResultCode result{snapshot_a.steady_clock_time_point.GetSpanBetween(
snapshot_b.steady_clock_time_point, span)};
result != RESULT_SUCCESS) {