x86_64: move ACPI driver to kext

kexts/drivers/bus/acpi/include/arch/acpi/io_apic.hpp

@@ -0,0 +1,41 @@
+#ifndef ARCH_ACPI_IOAPIC_HPP_
+#define ARCH_ACPI_IOAPIC_HPP_
+
+#include <stdint.h>
+#include <socks/status.h>
+#include <socks/queue.h>
+
+namespace arch::acpi {
+	struct io_apic {
+		uint32_t *io_base = nullptr;
+		unsigned int io_first_irq = 0;
+		unsigned int io_nr_irq = 0;
+		struct queue_entry io_entry;
+
+		struct irq_entry {
+			uint64_t irq_vec : 8;
+			uint64_t irq_delivery : 3;
+			uint64_t irq_destmode : 1;
+			uint64_t irq_status : 1;
+			uint64_t irq_polarity : 1;
+			uint64_t irq_irr : 1;
+			uint64_t irq_triggermode : 1;
+			uint64_t irq_mask : 1;
+			uint64_t irq_resv : 39;
+			uint64_t irq_dest : 8;
+		};
+
+		io_apic(uint32_t *base, unsigned int first_irq);
+
+		uint32_t read(uint32_t reg);
+		void write(uint32_t reg, uint32_t val);
+
+		kern_status_t read_irq(unsigned int index, irq_entry &entry);
+		void write_irq(unsigned int index, const irq_entry &entry);
+		void map_irq(unsigned int src, unsigned int dest, unsigned int dest_cpu = 0);
+		void mask_irq(unsigned int vec);
+		void unmask_irq(unsigned int vec, unsigned int dest_cpu = (unsigned int)-1);
+	};
+}
+
+#endif

kexts/drivers/bus/acpi/include/arch/acpi/local_apic.hpp

@@ -0,0 +1,43 @@
+#ifndef ARCH_ACPI_LOCAL_APIC_HPP_
+#define ARCH_ACPI_LOCAL_APIC_HPP_
+
+#include <socks/status.h>
+#include <stdint.h>
+
+#define APIC_LVT_INT_MASKED 0x10000
+#define APIC_LVT_TIMER_MODE_PERIODIC 0x20000
+
+struct acpi_madt;
+
+namespace arch::acpi {
+class local_apic {
+	uint32_t *base_ = nullptr;
+
+public:
+	enum {
+		EOI = 0xB0,
+		IPI_STATUS = 0x280,
+		IPI_ICR = 0x300,
+		IPI_DEST = 0x310,
+		LVT_TIMER = 0x320,
+		TIMER_INITCOUNT = 0x380,
+		TIMER_CURCOUNT = 0x390,
+		TIMER_DIV = 0x3E0,
+	};
+
+	local_apic(uint32_t *base = nullptr);
+
+	static kern_status_t find(struct acpi_madt *madt, local_apic& out);
+	static local_apic& get(void);
+
+	uint32_t read(uint32_t reg);
+	void write(uint32_t reg, uint32_t val);
+	void ack();
+
+	uint32_t *ptr() const { return base_; }
+
+	void send_ipi(unsigned int dest, unsigned int data);
+};
+}
+
+#endif