Better debugging messages
This commit is contained in:
Jeremy Soller
parent
f706dda8af
commit
da88cdcb61
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@ -5,33 +5,9 @@ use x86::msr::*;
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use memory::Frame;
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use paging::{entry, ActivePageTable, PhysicalAddress};
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bitflags! {
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pub flags LocalApicIcr: u64 {
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const ICR_VECTOR = 0xFF,
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const ICR_FIXED = 0b000 << 8,
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const ICR_SMI = 0b010 << 8,
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const ICR_NMI = 0b100 << 8,
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const ICR_INIT = 0b101 << 8,
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const ICR_START = 0b110 << 8,
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const ICR_PHYSICAL = 0 << 11,
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const ICR_LOGICAL = 1 << 11,
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const ICR_DEASSERT = 0 << 14,
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const ICR_ASSERT = 1 << 14,
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const ICR_EDGE = 0 << 15,
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const ICR_LEVEL = 1 << 15,
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const ICR_DESTINATION = 0b1111 << 56,
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}
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}
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/// Local APIC
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#[repr(packed)]
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pub struct LocalApic {
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address: u32,
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pub address: u32,
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pub x2: bool
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}
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@ -42,8 +18,6 @@ impl LocalApic {
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x2: false
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};
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println!("APIC BASE: {:>08X}", apic.address);
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unsafe { wrmsr(IA32_APIC_BASE, rdmsr(IA32_APIC_BASE) & !(1 << 11 | 1 << 10)) };
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unsafe { wrmsr(IA32_APIC_BASE, rdmsr(IA32_APIC_BASE) | 1 << 11) };
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@ -51,11 +25,8 @@ impl LocalApic {
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if CpuId::new().get_feature_info().unwrap().has_x2apic() {
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unsafe { wrmsr(IA32_APIC_BASE, rdmsr(IA32_APIC_BASE) | 1 << 10) };
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apic.x2 = true;
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println!("X2APIC {:X}", unsafe { rdmsr(IA32_APIC_BASE) });
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} else {
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active_table.identity_map(Frame::containing_address(PhysicalAddress::new(apic.address as usize)), entry::PRESENT | entry::WRITABLE | entry::NO_EXECUTE);
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println!("XAPIC {:X}", unsafe { rdmsr(IA32_APIC_BASE) });
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}
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apic
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@ -9,7 +9,7 @@ use memory::{allocate_frame, Frame};
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use paging::{entry, ActivePageTable, Page, PhysicalAddress, VirtualAddress};
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use start::{kstart_ap, AP_READY};
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use self::local_apic::{LocalApic, LocalApicIcr};
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use self::local_apic::LocalApic;
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use self::madt::{Madt, MadtEntry};
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use self::rsdt::Rsdt;
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use self::sdt::Sdt;
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@ -29,15 +29,20 @@ pub fn init_sdt(sdt: &'static Sdt, active_table: &mut ActivePageTable) {
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for &c in sdt.signature.iter() {
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print!("{}", c as char);
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}
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println!(":");
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if let Some(madt) = Madt::new(sdt) {
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println!(" {:>016X}: {}", madt.local_address, madt.flags);
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println!(": {:>08X}: {}", madt.local_address, madt.flags);
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let mut local_apic = LocalApic::new(active_table);
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let me = local_apic.id() as u8;
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if local_apic.x2 {
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println!(" X2APIC {}", me);
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} else {
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println!(" XAPIC {}: {:>08X}", me, local_apic.address);
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}
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for madt_entry in madt.iter() {
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println!(" {:?}", madt_entry);
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match madt_entry {
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@ -72,6 +77,8 @@ pub fn init_sdt(sdt: &'static Sdt, active_table: &mut ActivePageTable) {
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unsafe { atomic_store(ap_code, kstart_ap as u64) };
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AP_READY.store(false, Ordering::SeqCst);
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print!(" AP {}:", ap_local_apic.id);
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// Send INIT IPI
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{
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let mut icr = 0x4500;
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@ -80,7 +87,7 @@ pub fn init_sdt(sdt: &'static Sdt, active_table: &mut ActivePageTable) {
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} else {
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icr |= (ap_local_apic.id as u64) << 56;
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}
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println!(" Sending IPI to {}: {:>016X} {:?}", ap_local_apic.id, icr, LocalApicIcr::from_bits(icr));
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print!(" IPI...");
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local_apic.set_icr(icr);
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}
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@ -96,20 +103,20 @@ pub fn init_sdt(sdt: &'static Sdt, active_table: &mut ActivePageTable) {
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icr |= (ap_local_apic.id as u64) << 56;
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}
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println!(" Sending SIPI to {}: {:>016X} {:?}", ap_local_apic.id, icr, LocalApicIcr::from_bits(icr));
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print!(" SIPI...");
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local_apic.set_icr(icr);
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}
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// Wait for trampoline ready
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println!(" Waiting for AP {}", ap_local_apic.id);
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print!(" Wait...");
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while unsafe { atomic_load(ap_ready) } == 0 {
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interrupt::pause();
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}
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println!(" AP {} is trampolined!", ap_local_apic.id);
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print!(" Trampoline...");
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while ! AP_READY.load(Ordering::SeqCst) {
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interrupt::pause();
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}
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println!(" AP {} is ready!", ap_local_apic.id);
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println!(" Ready");
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} else {
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println!(" CPU Disabled");
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}
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@ -118,7 +125,7 @@ pub fn init_sdt(sdt: &'static Sdt, active_table: &mut ActivePageTable) {
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}
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}
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} else {
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println!(" {:?}", sdt);
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println!(": Unknown");
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}
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}
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@ -140,8 +147,6 @@ pub unsafe fn init(active_table: &mut ActivePageTable) -> Option<Acpi> {
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// Search for RSDP
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if let Some(rsdp) = RSDP::search(start_addr, end_addr) {
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println!("{:?}", rsdp);
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let get_sdt = |sdt_address: usize, active_table: &mut ActivePageTable| -> &'static Sdt {
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if active_table.translate_page(Page::containing_address(VirtualAddress::new(sdt_address))).is_none() {
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let sdt_frame = Frame::containing_address(PhysicalAddress::new(sdt_address));
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