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Kernel: Rework interrupt mechanism

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All interruptrable classes now inherit from Interruptable which
has methdo handle_irq which is called on a interrupt.
This commit is contained in:
Bananymous
2023-10-05 18:53:45 +03:00
parent 68a913c838
commit 27eb5af6f0
23 changed files with 716 additions and 706 deletions
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87
kernel/include/kernel/APIC.h
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@@ -4,51 +4,56 @@
#include <kernel/InterruptController.h>
#include <kernel/Memory/Types.h>
class APIC final : public InterruptController
namespace Kernel
{
public:
virtual void eoi(uint8_t) override;
virtual void enable_irq(uint8_t) override;
virtual bool is_in_service(uint8_t) override;
private:
uint32_t read_from_local_apic(ptrdiff_t);
void write_to_local_apic(ptrdiff_t, uint32_t);
private:
~APIC() { ASSERT_NOT_REACHED(); }
static APIC* create();
friend class InterruptController;
private:
struct Processor
class APIC final : public InterruptController
{
enum Flags : uint8_t
public:
virtual void eoi(uint8_t) override;
virtual void enable_irq(uint8_t) override;
virtual bool is_in_service(uint8_t) override;
private:
uint32_t read_from_local_apic(ptrdiff_t);
void write_to_local_apic(ptrdiff_t, uint32_t);
private:
~APIC() { ASSERT_NOT_REACHED(); }
static APIC* create();
friend class InterruptController;
private:
struct Processor
{
Enabled = 1,
OnlineCapable = 2,
enum Flags : uint8_t
{
Enabled = 1,
OnlineCapable = 2,
};
uint8_t processor_id;
uint8_t apic_id;
uint8_t flags;
};
uint8_t processor_id;
uint8_t apic_id;
uint8_t flags;
struct IOAPIC
{
uint8_t id;
Kernel::paddr_t paddr;
Kernel::vaddr_t vaddr;
uint32_t gsi_base;
uint8_t max_redirs;
uint32_t read(uint8_t offset);
void write(uint8_t offset, uint32_t data);
};
private:
BAN::Vector<Processor> m_processors;
Kernel::paddr_t m_local_apic_paddr = 0;
Kernel::vaddr_t m_local_apic_vaddr = 0;
BAN::Vector<IOAPIC> m_io_apics;
uint8_t m_irq_overrides[0x100] {};
};
struct IOAPIC
{
uint8_t id;
Kernel::paddr_t paddr;
Kernel::vaddr_t vaddr;
uint32_t gsi_base;
uint8_t max_redirs;
uint32_t read(uint8_t offset);
void write(uint8_t offset, uint32_t data);
};
private:
BAN::Vector<Processor> m_processors;
Kernel::paddr_t m_local_apic_paddr = 0;
Kernel::vaddr_t m_local_apic_vaddr = 0;
BAN::Vector<IOAPIC> m_io_apics;
uint8_t m_irq_overrides[0x100] {};
};
}