Sinipelto/banan-os
1
0
Fork 0
forked from Bananymous/banan-os
Code Pull Requests Activity

Kernel: Change PageTable API

Browse Source 
Getting free pages not reserves them, so you don't have to hold
the page table lock :)
This commit is contained in:
Bananymous
2023-08-02 22:09:14 +03:00
parent 64ad752e73
commit 3139391e06
12 changed files with 208 additions and 109 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
kernel/kernel/APIC.cpp
View File

@@ -81,8 +81,6 @@ union RedirectionEntry
};
};
extern uint8_t g_kernel_end[];
using namespace Kernel;
APIC* APIC::create()
@@ -150,7 +148,7 @@ APIC* APIC::create()
// Map the local apic to kernel memory
{
vaddr_t vaddr = PageTable::kernel().get_free_page((vaddr_t)g_kernel_end);
vaddr_t vaddr = PageTable::kernel().reserve_free_page(KERNEL_OFFSET);
ASSERT(vaddr);
dprintln("lapic paddr {8H}", apic->m_local_apic_paddr);
apic->m_local_apic_vaddr = vaddr + (apic->m_local_apic_paddr % PAGE_SIZE);
@@ -165,7 +163,7 @@ APIC* APIC::create()
// Map io apics to kernel memory
for (auto& io_apic : apic->m_io_apics)
{
vaddr_t vaddr = PageTable::kernel().get_free_page((vaddr_t)g_kernel_end);
vaddr_t vaddr = PageTable::kernel().reserve_free_page(KERNEL_OFFSET);
ASSERT(vaddr);
io_apic.vaddr = vaddr + (io_apic.paddr % PAGE_SIZE);