Initial Alloy implementation.

This is a regression in functionality and performance, but a much better
foundation for the future of the project (I think). It can run basic
apps under an SSA interpreter but doesn't support some of the features
required to do real 360 apps yet.

src/xenia/cpu/thread_state.cc

@@ -1,49 +0,0 @@
-/**
- ******************************************************************************
- * Xenia : Xbox 360 Emulator Research Project                                 *
- ******************************************************************************
- * Copyright 2013 Ben Vanik. All rights reserved.                             *
- * Released under the BSD license - see LICENSE in the root for more details. *
- ******************************************************************************
- */
-
-#include <xenia/cpu/thread_state.h>
-
-#include <xenia/memory.h>
-#include <xenia/cpu/processor.h>
-
-
-using namespace xe;
-using namespace xe::cpu;
-
-
-ThreadState::ThreadState(
-    Processor* processor,
-    uint32_t stack_size, uint32_t thread_state_address, uint32_t thread_id) :
-    stack_size_(stack_size), thread_state_address_(thread_state_address),
-    thread_id_(thread_id) {
-  memory_ = processor->memory();
-
-  stack_address_ = xe_memory_heap_alloc(
-      memory_, 0, stack_size, XE_MEMORY_FLAG_ZERO);
-
-  // Allocate with 64b alignment.
-  ppc_state_ = (xe_ppc_state_t*)xe_malloc_aligned(sizeof(xe_ppc_state_t));
-  XEASSERT(((uint64_t)ppc_state_ & 0xF) == 0);
-  xe_zero_struct(ppc_state_, sizeof(xe_ppc_state_t));
-
-  // Stash pointers to common structures that callbacks may need.
-  ppc_state_->membase       = xe_memory_addr(memory_, 0);
-  ppc_state_->processor     = processor;
-  ppc_state_->thread_state  = this;
-
-  // Set initial registers.
-  ppc_state_->r[1]          = stack_address_ + stack_size;
-  ppc_state_->r[13]         = thread_state_address_;
-}
-
-ThreadState::~ThreadState() {
-  xe_free_aligned(ppc_state_);
-  xe_memory_heap_free(memory_, stack_address_, 0);
-  xe_memory_release(memory_);
-}