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WIP: ACPI

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Map and find ACPI tables, starting with RSDT
This commit is contained in:
Jeremy Soller 2016-08-15 18:37:58 -06:00
parent fda1ab2327
commit 7a1c263bc1
7 changed files with 133 additions and 33 deletions
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11
arch/x86_64/src/start.rs
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@ -3,6 +3,7 @@
/// It must create the IDT with the correct entries, those entries are
/// defined in other files inside of the `arch` module
use acpi;
use allocator::{HEAP_START, HEAP_SIZE};
use externs::memset;
use gdt;
@ -48,7 +49,7 @@ pub unsafe extern fn kstart() -> ! {
gdt::init();
// Set up IDT
idt::init(blank);
idt::init();
// Initialize memory management
let mut allocator = memory::init(0, &__bss_end as *const u8 as usize);
@ -64,6 +65,9 @@ pub unsafe extern fn kstart() -> ! {
active_table.map(page, paging::entry::WRITABLE, &mut allocator);
}
// Read ACPI tables
acpi::init(&mut allocator, &mut active_table);
// Set global allocator
*::ALLOCATOR.lock() = Some(allocator);
@ -74,8 +78,3 @@ pub unsafe extern fn kstart() -> ! {
asm!("xchg bx, bx" : : : : "intel", "volatile");
kmain();
}
interrupt!(blank, {
asm!("xchg bx, bx" : : : : "intel", "volatile");
println!("INTERRUPT");
});