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Kernel: Allow allocating shared interrupts and setting trigger mode

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Bananymous
2026-07-20 10:28:18 +03:00
parent d46d7a5123
commit a3b7a758eb
5 changed files with 74 additions and 54 deletions
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kernel/include/kernel/APIC.h
+5 -4
View File
@@ -12,10 +12,10 @@ namespace Kernel
{
public:
virtual void eoi(uint8_t) override;
virtual void enable_irq(uint8_t) override;
virtual void enable_irq(uint8_t, bool level_triggered) override;
virtual bool is_in_service(uint8_t) override;
virtual BAN::ErrorOr<void> reserve_irq(uint8_t irq) override;
virtual BAN::ErrorOr<void> reserve_irq(uint8_t irq, bool shared) override;
virtual BAN::Optional<uint8_t> get_free_irq() override;
virtual void initialize_multiprocessor() override;
@@ -23,7 +23,7 @@ namespace Kernel
virtual void broadcast_ipi() override;
virtual void enable() override;
BAN::ErrorOr<uint8_t> reserve_gsi(uint32_t gsi);
BAN::ErrorOr<uint8_t> reserve_gsi(uint32_t gsi, bool shared = false);
void initialize_timer();
void set_timer_dealine(uint64_t ns);
@@ -71,7 +71,8 @@ namespace Kernel
Kernel::vaddr_t m_local_apic_vaddr = 0;
BAN::Vector<IOAPIC> m_io_apics;
uint8_t m_irq_overrides[0x100] {};
uint8_t m_reserved_gsis[m_irq_count / 8] {};
uint8_t m_used_gsis[m_irq_count / 8] {};
uint8_t m_excl_gsis[m_irq_count / 8] {};
uint64_t m_lapic_timer_frequency_hz { 0 };
};
kernel/include/kernel/InterruptController.h
+2 -2
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@@ -14,7 +14,7 @@ namespace Kernel
virtual ~InterruptController() {}
virtual void eoi(uint8_t) = 0;
virtual void enable_irq(uint8_t) = 0;
virtual void enable_irq(uint8_t, bool level_triggered = false) = 0;
virtual bool is_in_service(uint8_t) = 0;
static void initialize(bool force_pic);
@@ -26,7 +26,7 @@ namespace Kernel
virtual void broadcast_ipi() = 0;
virtual void enable() = 0;
virtual BAN::ErrorOr<void> reserve_irq(uint8_t irq) = 0;
virtual BAN::ErrorOr<void> reserve_irq(uint8_t irq, bool shared = false) = 0;
virtual BAN::Optional<uint8_t> get_free_irq() = 0;
bool is_using_apic() const { return m_using_apic; }
kernel/include/kernel/PIC.h
+4 -3
View File
@@ -10,10 +10,10 @@ namespace Kernel
{
public:
virtual void eoi(uint8_t) override;
virtual void enable_irq(uint8_t) override;
virtual void enable_irq(uint8_t, bool level_triggered) override;
virtual bool is_in_service(uint8_t) override;
virtual BAN::ErrorOr<void> reserve_irq(uint8_t irq) override;
virtual BAN::ErrorOr<void> reserve_irq(uint8_t irq, bool shared) override;
virtual BAN::Optional<uint8_t> get_free_irq() override;
virtual void initialize_multiprocessor() override;
@@ -29,7 +29,8 @@ namespace Kernel
private:
SpinLock m_lock;
uint16_t m_reserved_irqs { 1u << 2 };
uint16_t m_used_irqs { 1u << 2 };
uint16_t m_excl_irqs { 1u << 2 };
friend class InterruptController;
};