push

2026-05-07 02:22:25 +03:00
commit 1a9fd27a31
226 changed files with 29188 additions and 0 deletions
@@ -0,0 +1,77 @@
+#ifndef INTERRUPTS_H
+#define INTERRUPTS_H
+
+#include <stdint.h>
+
+struct int_frame_t {
+    uint64_t ds;
+
+    uint64_t r15;
+    uint64_t r14;
+    uint64_t r13;
+    uint64_t r12;
+    uint64_t r11;
+    uint64_t r10;
+    uint64_t r9;
+    uint64_t r8;
+
+    uint64_t rbp;
+
+    uint64_t rdi;
+    uint64_t rsi;
+
+    uint64_t rdx;
+    uint64_t rcx;
+    uint64_t rbx;
+    uint64_t rax;
+
+    uint64_t interrupt;
+    uint64_t error;
+
+    uint64_t rip;
+    uint64_t cs;
+    uint64_t rflags;
+    uint64_t rsp;
+    uint64_t ss;
+} __attribute__((packed));
+
+typedef void (*int_handler_f)(struct int_frame_t* frame);
+
+typedef struct {
+    uint64_t vector;
+    int_handler_f handler;
+} int_desc_t;
+
+#define __CHECK_HANDLER(fn) \
+    _Static_assert( \
+        __builtin_types_compatible_p( \
+            typeof(fn), void (*)(struct int_frame_t *)), \
+        "Invalid interrupt handler signature")
+
+#define __CONCAT(a, b) a##b
+#define __UNIQUE_NAME(base) __CONCAT(base, __COUNTER__)
+
+#define DEFINE_ISR(_vector, _name)                                  \
+    static void _name(struct int_frame_t *frame);                  \
+    static const int_desc_t __UNIQUE_NAME(__isr_desc_##_name)      \
+    __attribute__((used, section(".isr_handlers"))) = {            \
+        .vector  = (_vector),                                      \
+        .handler = _name,                                          \
+    };                                                             \
+    static void _name(struct int_frame_t *frame)
+
+
+#define DEFINE_IRQ(_vector, _name)                                  \
+    static void _name(struct int_frame_t *frame);                  \
+    static const int_desc_t __UNIQUE_NAME(__irq_desc_##_name)      \
+    __attribute__((used, section(".irq_handlers"))) = {            \
+        .vector  = (_vector),                                      \
+        .handler = _name,                                          \
+    };                                                             \
+    static void _name(struct int_frame_t *frame)
+
+#define IPI_RESCHEDULE_VECTOR   0x40
+#define IPI_TLB_SHOOTDOWN   0x41
+void init_interrupt_system();
+
+#endif