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Merge pull request #3156 from bunnei/sys-ticks

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svc: GetSystemTick should return cntpct_el0, not core ticks.
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bunnei 2019-11-24 13:52:28 -05:00 committed by GitHub
parent ec8bfe94a7 63248f4edd
commit 7298dcc016
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1 changed files with 4 additions and 1 deletions
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src/core/hle/kernel/svc.cpp
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@ -17,6 +17,7 @@
#include "core/core.h" #include "core/core.h"
#include "core/core_cpu.h" #include "core/core_cpu.h"
#include "core/core_timing.h" #include "core/core_timing.h"
#include "core/core_timing_util.h"
#include "core/hle/kernel/address_arbiter.h" #include "core/hle/kernel/address_arbiter.h"
#include "core/hle/kernel/client_port.h" #include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h" #include "core/hle/kernel/client_session.h"
@ -1777,7 +1778,9 @@ static u64 GetSystemTick(Core::System& system) {
LOG_TRACE(Kernel_SVC, "called"); LOG_TRACE(Kernel_SVC, "called");
auto& core_timing = system.CoreTiming(); auto& core_timing = system.CoreTiming();
const u64 result{core_timing.GetTicks()};
// Returns the value of cntpct_el0 (https://switchbrew.org/wiki/SVC#svcGetSystemTick)
const u64 result{Core::Timing::CpuCyclesToClockCycles(system.CoreTiming().GetTicks())};
// Advance time to defeat dumb games that busy-wait for the frame to end. // Advance time to defeat dumb games that busy-wait for the frame to end.
core_timing.AddTicks(400); core_timing.AddTicks(400);