Virtual device abstraction (#1577)

* IOFile: removes seek limit checks when file is writable

* add virtual devices scaffold

* add stdin/out/err as virtual devices

* fixed some merging issues

* clang-fix

---------

Co-authored-by: georgemoralis <giorgosmrls@gmail.com>

src/core/devices/nop_device.h

@@ -0,0 +1,55 @@
+//  SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+//  SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+#include "base_device.h"
+
+namespace Core::Devices {
+
+class NopDevice final : BaseDevice {
+    u32 handle;
+
+public:
+    explicit NopDevice(u32 handle) : handle(handle) {}
+
+    ~NopDevice() override = default;
+
+    int ioctl(u64 cmd, Common::VaCtx* args) override {
+        return 0;
+    }
+    s64 write(const void* buf, size_t nbytes) override {
+        return 0;
+    }
+    size_t readv(const Libraries::Kernel::SceKernelIovec* iov, int iovcnt) override {
+        return 0;
+    }
+    size_t writev(const Libraries::Kernel::SceKernelIovec* iov, int iovcnt) override {
+        return 0;
+    }
+    s64 preadv(const Libraries::Kernel::SceKernelIovec* iov, int iovcnt, u64 offset) override {
+        return 0;
+    }
+    s64 lseek(s64 offset, int whence) override {
+        return 0;
+    }
+    s64 read(void* buf, size_t nbytes) override {
+        return 0;
+    }
+    int fstat(Libraries::Kernel::OrbisKernelStat* sb) override {
+        return 0;
+    }
+    s32 fsync() override {
+        return 0;
+    }
+    int ftruncate(s64 length) override {
+        return 0;
+    }
+    int getdents(void* buf, u32 nbytes, s64* basep) override {
+        return 0;
+    }
+    s64 pwrite(const void* buf, size_t nbytes, u64 offset) override {
+        return 0;
+    }
+};
+
+} // namespace Core::Devices