Fetch 895 template <class Impl> 896 void 897 DefaultFetch<Impl>::tick() 898 { 899 list<ThreadID>::iterator threads = activeThreads->begin(); 900 list<ThreadID&...

Python derives O3CPU through DerivO3CPU class To understand particular processor in the GEM5, it is easy to start from the script that instantiate the processor. We can easily find that lots of G...

USB drivers are designed for interfaces For USB device, the drivers are not designed for the USB device itself, but for its interfaces provided by the USB devices. Therefore, when a new USB devic...

Dwc3 probing static int dwc3_apple_m1_probe(struct platform_device *pdev) { struct dwc3_apple *da; struct device *dev = &pdev->dev; struct dev...

Initializing usb subsystem /* * Init */ static int __init usb_init(void) { int retval; if (usb_disabled()) { pr_info("%s: USB support disabled\n", usbcore_name); ...

We will cover how the platform device drivers can be registered and managed by the platform device bus subsystem. struct platform_driver { int (*probe)(struct platform_device *); ...

Kernel initialization before DeviceTree Although we are not going to cover the details of the initialization procedure, this post will take a look at what happens before the device tree is initial...

do_initcalls static void __init do_basic_setup(void) { cpuset_init_smp(); driver_init(); init_irq_proc(); do_ctors(); usermodehelper_enable(); do_ini...

In my previous post, I discussed the automatic generation of C++ classes for macroops and microops using various GEM5 tools, including a Python-based parser and string-based template substitution...

layout: post tittle: “Pagetable walking and pagefault handling in Gem5” categories: GEM5, TLB — In this posting, we are going to take a look at how the memory accesses can be resolved through t...