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Kernel: Add a quickmap region for each processor

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Threads need to be able to concurrently quickmap things.
This commit is contained in:
Tom 2020-06-28 16:04:35 -06:00 • committed by Andreas Kling
commit 2a38cc9a12
Notes: sideshowbarker 2024-07-19 05:17:52 +09:00
5 changed files with 56 additions and 22 deletions
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5
Kernel/Arch/i386/CPU.cpp
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@ -215,7 +215,7 @@ void page_fault_handler(TrapFrame* trap)
#ifdef PAGE_FAULT_DEBUG
u32 fault_page_directory = read_cr3();
dbg() << "Ring " << (regs.cs & 3)
dbg() << "CPU #" << (Processor::is_initialized() ? Processor::current().id() : 0) << " ring " << (regs.cs & 3)
<< " " << (regs.exception_code & 1 ? "PV" : "NP")
<< " page fault in PD=" << String::format("%x", fault_page_directory) << ", "
<< (regs.exception_code & 8 ? "reserved-bit " : "")
@ -831,6 +831,7 @@ void Processor::initialize(u32 cpu)
m_idle_thread = nullptr;
m_current_thread = nullptr;
m_mm_data = nullptr;
gdt_init();
if (cpu == 0)
@ -859,7 +860,7 @@ void Processor::initialize(u32 cpu)
(*s_processors)[cpu] = this;
}
klog() << "CPU #" << cpu << " using Processor at " << VirtualAddress(FlatPtr(this));
klog() << "CPU[" << cpu << "]: initialized Processor at " << VirtualAddress(FlatPtr(this));
}
void Processor::write_raw_gdt_entry(u16 selector, u32 low, u32 high)