[Geekos-devel] Project 2 Question

[<wm...@ao...>]

In project 2, user.c, the following function comments say to set the kernel stack pointer.? To what?? I am confused here. Any help would be appreciated.


void Switch_To_User_Context(struct Kernel_Thread* kt, struct Interrupt_State* is)
{
??? /*
???? * Hint: Before executing in user mode, you will need to call
???? * the Set_Kernel_Stack_Pointer() and Switch_To_Address_Space()
???? * functions.
???? */
? 
??? ...

??? ??? Set_Kernel_Stack_Pointer((ulong_t) ?);


??? ...
}