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IOS: Convert the IOS kernel HLE code to a class

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This changes the main IOS code (roughly the equivalent of the kernel)
to a class instead of being a set of free functions + tons of static
variables.

The reason for this change is that keeping tons of static variables
like that prevents us from making an IOS instance and reusing IOS
code easily.

Converting the IOS code to a class also allows us to mostly decouple
IOS from the PPC emulation.

The more interesting changes are in Core/IOS/IOS. Everything else is
mostly just boring stuff required by this change...

* Because the devices themselves call back to the main IOS code
  for various things (getting the current version, replying to a
  request, and other syscall-like functions), just like processes in
  IOS call kernel syscalls, we have to pass a reference to the kernel
  to anything that uses IOS syscalls.

* Change DoState to save device names instead of device IDs to simplify
  AddDevice() and get rid of an ugly static count.

* Change ES_Launch's ack to be sent at IOS boot, now that we can do
  this properly.
This commit is contained in:
Léo Lam
2017-04-29 16:11:22 +02:00
parent fcc2ed4550
commit 2fc5047d26
88 changed files with 1477 additions and 1428 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
Source/Core/Core/IOS/Device.h
View File

@ -11,7 +11,7 @@
#include "Common/ChunkFile.h"
#include "Common/CommonTypes.h"
#include "Common/Logging/Log.h"
#include "Core/IOS/IPC.h"
#include "Core/IOS/IOS.h"
namespace IOS
{
@ -172,7 +172,7 @@ public:
OH0, // OH0 child devices which are created dynamically.
};
Device(u32 device_id, const std::string& device_name, DeviceType type = DeviceType::Static);
Device(Kernel& ios, const std::string& device_name, DeviceType type = DeviceType::Static);
virtual ~Device() = default;
// Release any resources which might interfere with savestating.
@ -181,7 +181,6 @@ public:
void DoStateShared(PointerWrap& p);
const std::string& GetDeviceName() const { return m_name; }
u32 GetDeviceID() const { return m_device_id; }
// Replies to Open and Close requests are sent by the IPC request handler (HandleCommand),
// not by the devices themselves.
virtual ReturnCode Open(const OpenRequest& request);
@ -199,9 +198,10 @@ public:
static IPCCommandResult GetNoReply();
protected:
Kernel& m_ios;
std::string m_name;
// STATE_TO_SAVE
u32 m_device_id;
DeviceType m_device_type;
bool m_is_active = false;