vinzenz/redox
0
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Map kernel in AP, WIP

Browse source
This commit is contained in:
Jeremy Soller 2016-08-17 15:47:54 -06:00
parent 27d5996abf
commit ebf9766ef5
10 changed files with 89 additions and 50 deletions
Download patch file Download diff file Expand all files Collapse all files

10
arch/x86_64/src/acpi/mod.rs
View file

@ -69,14 +69,14 @@ pub fn init_sdt<A>(sdt: &'static Sdt, allocator: &mut A, active_table: &mut Acti
*/
let ap_ready = TRAMPOLINE as *mut u64;
let ap_page_table = unsafe { ap_ready.offset(1) };
let ap_stack = unsafe { ap_page_table.offset(1) };
let ap_code = unsafe { ap_stack.offset(1) };
let ap_stack_start = unsafe { ap_ready.offset(1) };
let ap_stack_end = unsafe { ap_ready.offset(2) };
let ap_code = unsafe { ap_ready.offset(3) };
// Set the ap_ready to 0, volatile
unsafe { atomic_store(ap_ready, 0) };
unsafe { atomic_store(ap_page_table, 0x70000) };
unsafe { atomic_store(ap_stack, 0x7C00) };
unsafe { atomic_store(ap_stack_start, 0x1000) };
unsafe { atomic_store(ap_stack_end, 0x7000) };
unsafe { atomic_store(ap_code, kstart_ap as u64) };
// Send INIT IPI