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Print descriptor table information when loading

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This commit is contained in:
Eryn Wells 2016-03-13 15:47:11 -04:00
parent fdc7232079
commit cf8047f7be
1 changed files with 8 additions and 0 deletions
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8
src/Descriptors.cc
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@ -7,6 +7,7 @@
*/
#include "Descriptors.hh"
#include "Console.hh"
namespace {
@ -123,6 +124,9 @@ GDT::load()
{
PseudoDescriptor gdt {Size * sizeof(Descriptor) - 1, uint32_t(&mTable)};
auto& console = kernel::Console::systemConsole();
console.printFormat("GDT: base = 0x%08lX, limit = %d\n", gdt.base, gdt.limit);
/*
* Load the new GDT with the pointer defined above. The GDT isn't actually
* used until the segment registers are reladed. Below, CS is reloaded by
@ -232,6 +236,10 @@ IDT::load()
const
{
PseudoDescriptor idt{Size * sizeof(Descriptor) - 1, uint32_t(&mTable)};
auto& console = kernel::Console::systemConsole();
console.printFormat("IDT: base = 0x%08lX, limit = %d\n", idt.base, idt.limit);
asm volatile("lidt %0\n" : : "m" (idt));
}