Ciao

Roland
 

Imran Haider a écrit :

Hi.   I tried to access 32-bit addresses (such as 000A:0000) through _x386_map_physical_memory but the program usually crashes with the warning: "General Protection Fault" and it gives me all the register values. Is there a way I can access the address without using any fancy functions that is provided, or by using the function provided effeciently? I actually tried to access address not associated with any hardware (for example.  0005:1836) and it didn't work. The 000A000 works fine but this address didn't work. The reason I am tring to access this location is because the real-mode video-interrupt 0x10 only outputs buffer in the conventional memory. Is it possible that since this is a 32-bit protected mode environment, pointers to conventional addresses are illegal?   If so, can you give me some ideas on how I can access conventional memory? Thanks.