From c083ea7d7846ee40cfc889ed1d415f73ec78364c Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sun, 1 Mar 2020 23:46:10 -0500
Subject: core: Implement separate A32/A64 ARM interfaces.

---
 src/core/hle/kernel/thread.cpp | 31 +++++++++++++++++--------------
 1 file changed, 17 insertions(+), 14 deletions(-)

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

diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index bf850e0b2..83e956036 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -133,15 +133,16 @@ void Thread::CancelWait() {
     ResumeFromWait();
 }
 
-/**
- * Resets a thread context, making it ready to be scheduled and run by the CPU
- * @param context Thread context to reset
- * @param stack_top Address of the top of the stack
- * @param entry_point Address of entry point for execution
- * @param arg User argument for thread
- */
-static void ResetThreadContext(Core::ARM_Interface::ThreadContext& context, VAddr stack_top,
-                               VAddr entry_point, u64 arg) {
+static void ResetThreadContext32(Core::ARM_Interface::ThreadContext32& context, u32 stack_top,
+                                 u32 entry_point, u32 arg) {
+    context = {};
+    context.cpu_registers[0] = arg;
+    context.cpu_registers[15] = entry_point;
+    context.cpu_registers[13] = stack_top;
+}
+
+static void ResetThreadContext64(Core::ARM_Interface::ThreadContext64& context, VAddr stack_top,
+                                 VAddr entry_point, u64 arg) {
     context = {};
     context.cpu_registers[0] = arg;
     context.pc = entry_point;
@@ -198,9 +199,9 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(KernelCore& kernel, std::strin
 
     thread->owner_process->RegisterThread(thread.get());
 
-    // TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used
-    // to initialize the context
-    ResetThreadContext(thread->context, stack_top, entry_point, arg);
+    ResetThreadContext32(thread->context_32, static_cast<u32>(stack_top),
+                         static_cast<u32>(entry_point), static_cast<u32>(arg));
+    ResetThreadContext64(thread->context_64, stack_top, entry_point, arg);
 
     return MakeResult<std::shared_ptr<Thread>>(std::move(thread));
 }
@@ -213,11 +214,13 @@ void Thread::SetPriority(u32 priority) {
 }
 
 void Thread::SetWaitSynchronizationResult(ResultCode result) {
-    context.cpu_registers[0] = result.raw;
+    context_32.cpu_registers[0] = result.raw;
+    context_64.cpu_registers[0] = result.raw;
 }
 
 void Thread::SetWaitSynchronizationOutput(s32 output) {
-    context.cpu_registers[1] = output;
+    context_32.cpu_registers[1] = output;
+    context_64.cpu_registers[1] = output;
 }
 
 s32 Thread::GetSynchronizationObjectIndex(std::shared_ptr<SynchronizationObject> object) const {
-- 
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