From 6d60acf0f1afcae873988da5218f2f1c7bc9d151 Mon Sep 17 00:00:00 2001
From: Yuri Kunde Schlesner <yuriks@yuriks.net>
Date: Mon, 4 May 2015 00:01:16 -0300
Subject: Kernel: Introduce skeleton Process class to hold process data

---
 src/core/hle/kernel/kernel.cpp  | 14 ++--------
 src/core/hle/kernel/kernel.h    | 10 ++-----
 src/core/hle/kernel/process.cpp | 35 +++++++++++++++++++++++
 src/core/hle/kernel/process.h   | 61 +++++++++++++++++++++++++++++++++++++++++
 4 files changed, 101 insertions(+), 19 deletions(-)
 create mode 100644 src/core/hle/kernel/process.cpp
 create mode 100644 src/core/hle/kernel/process.h

(limited to 'src/core/hle/kernel')

diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 533fe65f..9c8d6fa3 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -10,6 +10,7 @@
 #include "core/arm/arm_interface.h"
 #include "core/core.h"
 #include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/process.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/kernel/timer.h"
 
@@ -149,18 +150,7 @@ void Shutdown() {
     Kernel::ThreadingShutdown();
     Kernel::TimersShutdown();
     g_handle_table.Clear(); // Free all kernel objects
-}
-
-/**
- * Loads executable stored at specified address
- * @entry_point Entry point in memory of loaded executable
- * @return True on success, otherwise false
- */
-bool LoadExec(u32 entry_point) {
-    // 0x30 is the typical main thread priority I've seen used so far
-    g_main_thread = Kernel::SetupMainThread(Kernel::DEFAULT_STACK_SIZE, entry_point, THREADPRIO_DEFAULT);
-
-    return true;
+    g_current_process = nullptr;
 }
 
 } // namespace
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index a7bc6b71..d0c69677 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -7,6 +7,7 @@
 #include <boost/intrusive_ptr.hpp>
 
 #include <array>
+#include <memory>
 #include <string>
 #include <vector>
 
@@ -15,6 +16,8 @@
 #include "core/hle/hle.h"
 #include "core/hle/result.h"
 
+struct ApplicationInfo;
+
 namespace Kernel {
 
 class Thread;
@@ -282,11 +285,4 @@ void Init();
 /// Shutdown the kernel
 void Shutdown();
 
-/**
- * Loads executable stored at specified address
- * @entry_point Entry point in memory of loaded executable
- * @return True on success, otherwise false
- */
-bool LoadExec(u32 entry_point);
-
 } // namespace
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
new file mode 100644
index 00000000..734d6f3e
--- /dev/null
+++ b/src/core/hle/kernel/process.cpp
@@ -0,0 +1,35 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+
+#include "core/hle/kernel/process.h"
+#include "core/hle/kernel/thread.h"
+
+namespace Kernel {
+
+SharedPtr<Process> Process::Create(std::string name, u64 program_id) {
+    SharedPtr<Process> process(new Process);
+
+    process->svc_access_mask.set();
+    process->name = std::move(name);
+    process->program_id = program_id;
+
+    return process;
+}
+
+void Process::ParseKernelCaps(const u32 * kernel_caps, size_t len) {
+    //UNIMPLEMENTED();
+}
+
+void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
+    g_main_thread = Kernel::SetupMainThread(stack_size, entry_point, main_thread_priority);
+}
+
+Kernel::Process::Process() {}
+Kernel::Process::~Process() {}
+
+SharedPtr<Process> g_current_process;
+
+}
diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h
new file mode 100644
index 00000000..8abd881e
--- /dev/null
+++ b/src/core/hle/kernel/process.h
@@ -0,0 +1,61 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <bitset>
+
+#include <boost/container/static_vector.hpp>
+
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/result.h"
+
+namespace Kernel {
+
+struct StaticAddressMapping {
+    // Address and size must be 4K-aligned
+    VAddr address;
+    u32 size;
+    bool writable;
+};
+
+enum class MemoryRegion {
+    APPLICATION = 1,
+    SYSTEM = 2,
+    BASE = 3,
+};
+
+class Process final : public Object {
+public:
+    static SharedPtr<Process> Create(std::string name, u64 program_id);
+
+    std::string GetTypeName() const override { return "Process"; }
+    std::string GetName() const override { return name; }
+
+    static const HandleType HANDLE_TYPE = HandleType::Process;
+    HandleType GetHandleType() const override { return HANDLE_TYPE; }
+
+    std::string name; ///< Name of the process
+    u64 program_id;
+
+    std::bitset<0x80> svc_access_mask;
+    unsigned int handle_table_size = 0x200;
+    boost::container::static_vector<StaticAddressMapping, 8> static_address_mappings; // TODO: Determine a good upper limit
+
+    bool loaded_high = false; // Application loaded high (not at 0x00100000)
+    bool shared_page_writable = false;
+    bool privileged_priority = false; // Can use priority levels higher than 24
+    MemoryRegion memory_region = MemoryRegion::APPLICATION;
+
+    void ParseKernelCaps(const u32* kernel_caps, size_t len);
+    void Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size);
+
+private:
+    Process();
+    ~Process() override;
+};
+
+extern SharedPtr<Process> g_current_process;
+
+}
-- 
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