From e31425df3877636c098ec7426ebd2067920715cb Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Mon, 24 Feb 2020 22:04:12 -0400
Subject: General: Recover Prometheus project from harddrive failure

This commit: Implements CPU Interrupts, Replaces Cycle Timing for Host
Timing, Reworks the Kernel's Scheduler, Introduce Idle State and
Suspended State, Recreates the bootmanager, Initializes Multicore
system.
---
 src/core/hle/kernel/physical_core.cpp | 37 +++++++++++++++++++++++++++--------
 1 file changed, 29 insertions(+), 8 deletions(-)

(limited to 'src/core/hle/kernel/physical_core.cpp')

diff --git a/src/core/hle/kernel/physical_core.cpp b/src/core/hle/kernel/physical_core.cpp
index a15011076..69202540b 100644
--- a/src/core/hle/kernel/physical_core.cpp
+++ b/src/core/hle/kernel/physical_core.cpp
@@ -2,12 +2,15 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include "common/assert.h"
 #include "common/logging/log.h"
+#include "common/spin_lock.h"
 #include "core/arm/arm_interface.h"
 #ifdef ARCHITECTURE_x86_64
 #include "core/arm/dynarmic/arm_dynarmic_32.h"
 #include "core/arm/dynarmic/arm_dynarmic_64.h"
 #endif
+#include "core/arm/cpu_interrupt_handler.h"
 #include "core/arm/exclusive_monitor.h"
 #include "core/arm/unicorn/arm_unicorn.h"
 #include "core/core.h"
@@ -19,21 +22,23 @@ namespace Kernel {
 
 PhysicalCore::PhysicalCore(Core::System& system, std::size_t id,
                            Core::ExclusiveMonitor& exclusive_monitor)
-    : core_index{id} {
+    : interrupt_handler{}, core_index{id} {
 #ifdef ARCHITECTURE_x86_64
-    arm_interface_32 =
-        std::make_unique<Core::ARM_Dynarmic_32>(system, exclusive_monitor, core_index);
-    arm_interface_64 =
-        std::make_unique<Core::ARM_Dynarmic_64>(system, exclusive_monitor, core_index);
-
+    arm_interface_32 = std::make_unique<Core::ARM_Dynarmic_32>(system, interrupt_handler,
+                                                               exclusive_monitor, core_index);
+    arm_interface_64 = std::make_unique<Core::ARM_Dynarmic_64>(system, interrupt_handler,
+                                                               exclusive_monitor, core_index);
 #else
     using Core::ARM_Unicorn;
-    arm_interface_32 = std::make_unique<ARM_Unicorn>(system, ARM_Unicorn::Arch::AArch32);
-    arm_interface_64 = std::make_unique<ARM_Unicorn>(system, ARM_Unicorn::Arch::AArch64);
+    arm_interface_32 =
+        std::make_unique<ARM_Unicorn>(system, interrupt_handler, ARM_Unicorn::Arch::AArch32);
+    arm_interface_64 =
+        std::make_unique<ARM_Unicorn>(system, interrupt_handler, ARM_Unicorn::Arch::AArch64);
     LOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available");
 #endif
 
     scheduler = std::make_unique<Kernel::Scheduler>(system, core_index);
+    guard = std::make_unique<Common::SpinLock>();
 }
 
 PhysicalCore::~PhysicalCore() = default;
@@ -47,6 +52,10 @@ void PhysicalCore::Step() {
     arm_interface->Step();
 }
 
+void PhysicalCore::Idle() {
+    interrupt_handler.AwaitInterrupt();
+}
+
 void PhysicalCore::Stop() {
     arm_interface->PrepareReschedule();
 }
@@ -63,4 +72,16 @@ void PhysicalCore::SetIs64Bit(bool is_64_bit) {
     }
 }
 
+void PhysicalCore::Interrupt() {
+    guard->lock();
+    interrupt_handler.SetInterrupt(true);
+    guard->unlock();
+}
+
+void PhysicalCore::ClearInterrupt() {
+    guard->lock();
+    interrupt_handler.SetInterrupt(false);
+    guard->unlock();
+}
+
 } // namespace Kernel
-- 
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