| /SPARTAN/trunk/arch/ia32/src/userspace.c |
|---|
| 33,6 → 33,12 |
| #include <proc/thread.h> |
| #include <mm/vm.h> |
| /** Enter userspace |
| * |
| * Change CPU protection level to 3, enter userspace. |
| * |
| */ |
| void userspace(void) |
| { |
| pri_t pri; |
| 47,7 → 53,7 |
| "pushl %4\n" |
| "iret" |
| : : "i" (selector(UDATA_DES) | PL_USER), "i" (USTACK_ADDRESS+THREAD_STACK_SIZE-1000), "r" (pri), "i" (selector(UTEXT_DES) | PL_USER), "i" (UTEXT_ADDRESS)); |
| /* NOT REACHED */ |
| /* Unreachable */ |
| for(;;); |
| } |