From 97ef21e166a95419b97d164c6969ffaf1faacfb0 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Thu, 11 Jan 2018 21:59:31 -0500
Subject: svc: Implement GetSystemTick.
---
src/core/hle/kernel/svc.cpp | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
(limited to 'src/core/hle/kernel/svc.cpp')
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 7c2aee417b..b43e004bcf 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -642,6 +642,16 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
return RESULT_SUCCESS;
}
+/// This returns the total CPU ticks elapsed since the CPU was powered-on
+static u64 GetSystemTick() {
+ const u64 result{CoreTiming::GetTicks()};
+
+ // Advance time to defeat dumb games that busy-wait for the frame to end.
+ CoreTiming::AddTicks(400);
+
+ return result;
+}
+
/// Close a handle
static ResultCode CloseHandle(Handle handle) {
LOG_TRACE(Kernel_SVC, "Closing handle 0x%08X", handle);
@@ -659,7 +669,8 @@ static ResultCode ResetSignal(Handle handle) {
/// Creates a TransferMemory object
static ResultCode CreateTransferMemory(Handle* handle, VAddr addr, u64 size, u32 permissions) {
- LOG_WARNING(Kernel_SVC, "(STUBBED) called addr=0x%llx, size=0x%llx, perms=%08X", addr, size, permissions);
+ LOG_WARNING(Kernel_SVC, "(STUBBED) called addr=0x%llx, size=0x%llx, perms=%08X", addr, size,
+ permissions);
*handle = 0;
return RESULT_SUCCESS;
}
@@ -705,7 +716,7 @@ static const FunctionDef SVC_Table[] = {
{0x1B, SvcWrap<UnlockMutex>, "UnlockMutex"},
{0x1C, SvcWrap<WaitProcessWideKeyAtomic>, "WaitProcessWideKeyAtomic"},
{0x1D, SvcWrap<SignalProcessWideKey>, "SignalProcessWideKey"},
- {0x1E, nullptr, "GetSystemTick"},
+ {0x1E, SvcWrap<GetSystemTick>, "GetSystemTick"},
{0x1F, SvcWrap<ConnectToPort>, "ConnectToPort"},
{0x20, nullptr, "SendSyncRequestLight"},
{0x21, SvcWrap<SendSyncRequest>, "SendSyncRequest"},
--
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