mm1994uestc / access_physical_memory_tools

Tools for Linux Memory detect.

Step1: Under the folder,compile module code-dram.c into dram.ko module.CMD:make
Step2: Under the folder,compile fileview-App for checkout the physical memory.CMD:make fileview
Step3: Install module for fileview-App reading mem by kernel's drv.CMD:sudo insmod dram.ko
Step4: Create the device for drv(dram.ko).CMD:sudo mknod /dev/dram c 85 0
Step5: Run the fileview-App.CMD:sudo ./fileview /dev/dram
Step6: Reopen new terminal change directory into usrapp-test,compile main.c.CMD:make
Step7: Run the main progress.CMD:sudo ./main

• (Notice:you must use sudo previlige to run this code because of the code using file:"/proc/self/pagemap")

Step8: After run main code, you will get phy && vir address.Checkout phy address with fileview-App.
Step9: Fileview-App terminal,insert search cmd-code:0x0000000A,then the phy-address getting from Step8.

• (Here you can see the content at phy-address the same as your main-code setting.)