Architectural Support: x86_64 (#37)

[lunaix-os.git] / lunaix-os / arch / x86 / exceptions / interrupts.c

diff --git a/lunaix-os/arch/x86/exceptions/interrupts.c b/lunaix-os/arch/x86/exceptions/interrupts.c
new file mode 100644 (file)
index 0000000..9d127ba
--- /dev/null
+++ b/lunaix-os/arch/x86/exceptions/interrupts.c
@@ -0,0 +1,51 @@
+#include <sys/cpu.h>
+#include <sys/int_handler.h>
+#include <sys/hart.h>
+#include "sys/x86_isa.h"
+
+#include "sys/x86_isa.h"
+
+#include <lunaix/generic/isrm.h>
+#include <lunaix/mm/vmm.h>
+#include <lunaix/process.h>
+#include <lunaix/sched.h>
+#include <lunaix/syslog.h>
+
+LOG_MODULE("INTR")
+
+static inline void
+update_thread_context(struct hart_state* state)
+{
+    if (!current_thread) {
+        return;
+    }
+
+    struct hart_state* parent = current_thread->hstate;
+    hart_push_state(parent, state);
+    current_thread->hstate = state;
+
+    if (parent) {
+        state->depth = parent->depth + 1;
+    }
+}
+
+struct hart_state*
+intr_handler(struct hart_state* state)
+{
+    update_thread_context(state);
+
+    volatile struct exec_param* execp = state->execp;
+    if (execp->vector <= 255) {
+        isr_cb subscriber = isrm_get(execp->vector);
+        subscriber(state);
+        goto done;
+    }
+
+done:
+
+    if (execp->vector > IV_BASE_END) {
+        isrm_notify_eoi(0, execp->vector);
+    }
+
+    return state;
+}
\ No newline at end of file