forked from Bananymous/banan-os
update main #1
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@ -16,6 +16,11 @@ public:
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static void initialize(bool force_pic);
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static InterruptController& get();
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void enter_acpi_mode();
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private:
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bool m_using_apic { false };
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};
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bool interrupts_enabled();
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@ -94,7 +94,7 @@ namespace Kernel
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void validate_stack() const;
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private:
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static constexpr size_t m_kernel_stack_size = PAGE_SIZE * 1;
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static constexpr size_t m_kernel_stack_size = PAGE_SIZE * 4;
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static constexpr size_t m_userspace_stack_size = PAGE_SIZE * 2;
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static constexpr size_t m_interrupt_stack_size = PAGE_SIZE * 2;
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BAN::UniqPtr<VirtualRange> m_interrupt_stack;
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@ -3,6 +3,8 @@
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#include <kernel/APIC.h>
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#include <kernel/PIC.h>
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#include <lai/helpers/sci.h>
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static InterruptController* s_instance = nullptr;
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InterruptController& InterruptController::get()
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@ -19,11 +21,26 @@ void InterruptController::initialize(bool force_pic)
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PIC::remap();
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if (!force_pic)
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{
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s_instance = APIC::create();
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if (s_instance)
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return;
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if (s_instance)
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{
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s_instance->m_using_apic = true;
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return;
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}
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}
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dprintln("Using PIC instead of APIC");
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s_instance = PIC::create();
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ASSERT(s_instance);
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s_instance->m_using_apic = false;
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}
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void InterruptController::enter_acpi_mode()
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{
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if (lai_enable_acpi(m_using_apic ? 1 : 0) != 0)
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dwarnln("could not enter acpi mode");
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}
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bool interrupts_enabled()
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@ -161,6 +161,8 @@ static void init2(void*)
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dprintln("Scheduler started");
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InterruptController::get().enter_acpi_mode();
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auto console = MUST(DevFileSystem::get().root_inode()->find_inode(cmdline.console));
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ASSERT(console->is_tty());
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((TTY*)console.ptr())->set_as_current();
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