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Prepare for higher half - map entire lower 4 GB

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This commit is contained in:
Jeremy Soller 2016-08-18 07:56:47 -06:00
parent 8ddddcec9f
commit 0693540a5b
4 changed files with 28 additions and 15 deletions
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4
arch/x86_64/src/paging/mod.rs
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@ -43,7 +43,7 @@ pub unsafe fn init(stack_start: usize, stack_end: usize) -> ActivePageTable {
let mut active_table = ActivePageTable::new();
let mut temporary_page = TemporaryPage::new(Page::containing_address(VirtualAddress::new(0x80000000)));
let mut temporary_page = TemporaryPage::new(Page::containing_address(VirtualAddress::new(0x8_0000_0000)));
let mut new_table = {
let frame = allocate_frame().expect("no more frames");
@ -85,7 +85,7 @@ pub unsafe fn init(stack_start: usize, stack_end: usize) -> ActivePageTable {
pub unsafe fn init_ap(stack_start: usize, stack_end: usize, bsp_page_table: usize) -> ActivePageTable {
let mut active_table = ActivePageTable::new();
let mut temporary_page = TemporaryPage::new(Page::containing_address(VirtualAddress::new(0x80000000)));
let mut temporary_page = TemporaryPage::new(Page::containing_address(VirtualAddress::new(0x8_0000_0000)));
let mut new_table = {
let frame = Frame::containing_address(PhysicalAddress::new(bsp_page_table));