test

2026-07-20 01:53:04 +02:00
commit e71245c082
149 changed files with 8571 additions and 0 deletions
@@ -0,0 +1,48 @@
+#pragma once
+
+#include <bits/irq.h>
+#include <stdint.h>
+#include <zinnia/compiler.h>
+#include <zinnia/list.h>
+
+enum irq_status : uint8_t {
+    IRQ_STATUS_HANDLED,
+    IRQ_STATUS_IGNORED,
+};
+
+enum irq_polarity : uint8_t {
+    IRQ_POLARITY_LOW,
+    IRQ_POLARITY_HIGH,
+};
+
+enum irq_trigger_mode : uint8_t {
+    IRQ_TRIGGER_EDGE,
+    IRQ_TRIGGER_LEVEL,
+};
+
+struct irq_handler {
+    enum irq_status (*handler)(void* self);
+    list_link(struct irq_handler*) next;
+};
+
+struct irq_line {
+    int (*set_config)(enum irq_trigger_mode mode, enum irq_polarity polarity);
+    void (*mask)(struct irq_line* self);
+    void (*unmask)(struct irq_line* self);
+    void (*eoi)(struct irq_line* self);
+
+    list_head(struct irq_handler*) handlers;
+    bool is_busy;
+};
+
+void irq_line_attach(struct irq_line* self, struct irq_handler* handler);
+
+struct irq_percpu {
+    uint32_t level;
+    bool in_interrupt;
+};
+
+void irq_lock();
+void irq_unlock();
+bool irq_set_interrupted(bool is_interrupted);
+void irq_raise();