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Add svcs to get and set the emulation speed. (#57)

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PabloMK7 2024-04-06 13:00:58 +02:00 • committed by GitHub
parent 775ceac27d
commit 0c2f076dc4
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1 changed files with 17 additions and 0 deletions
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17
src/core/hle/kernel/svc.cpp
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@ -10,6 +10,7 @@
#include "common/logging/log.h"
#include "common/microprofile.h"
#include "common/scm_rev.h"
#include "common/settings.h"
#include "core/arm/arm_interface.h"
#include "core/core.h"
#include "core/core_timing.h"
@ -74,6 +75,12 @@ enum class KernelState {
* Reboots the console
*/
KERNEL_STATE_REBOOT = 7,
// Special Citra only states.
/**
* Sets the emulation speed percentage. A value of 0 means unthrottled.
*/
KERNEL_STATE_CITRA_EMULATION_SPEED = 0x20000 ///
};
struct PageInfo {
@ -270,6 +277,7 @@ enum class SystemInfoMemUsageRegion {
enum class SystemInfoCitraInformation {
IS_CITRA = 0, // Always set the output to 1, signaling the app is running on Citra.
HOST_TICK = 1, // Tick reference from the host in ns, unaffected by lag or cpu speed.
EMULATION_SPEED = 2, // Gets the emulation speed set by the user or by KernelSetState.
BUILD_NAME = 10, // (ie: Nightly, Canary).
BUILD_VERSION = 11, // Build version.
BUILD_PLATFORM = 12, // Build platform, see SystemInfoCitraPlatform.
@ -1420,6 +1428,12 @@ Result SVC::KernelSetState(u32 kernel_state, u32 varg1, u32 varg2) {
case KernelState::KERNEL_STATE_REBOOT:
system.RequestShutdown();
break;
// Citra specific states.
case KernelState::KERNEL_STATE_CITRA_EMULATION_SPEED: {
u16 new_value = static_cast<u16>(varg1);
Settings::values.frame_limit.SetValue(new_value);
} break;
default:
LOG_ERROR(Kernel_SVC, "Unknown KernelSetState state={} varg1={} varg2={}", kernel_state,
varg1, varg2);
@ -1795,6 +1809,9 @@ Result SVC::GetSystemInfo(s64* out, u32 type, s32 param) {
std::chrono::steady_clock::now().time_since_epoch())
.count());
break;
case SystemInfoCitraInformation::EMULATION_SPEED:
*out = static_cast<s64>(Settings::values.frame_limit.GetValue());
break;
case SystemInfoCitraInformation::BUILD_NAME:
CopyStringPart(reinterpret_cast<char*>(out), Common::g_build_name, 0, sizeof(s64));
break;