XHCI works on real hardware!

2026-03-24 22:12:36 +01:00
parent b2e4a3802d
commit 0478570b2b
11 changed files with 215 additions and 102 deletions
--- a/kernel/amd64/spin_lock.c
+++ b/kernel/amd64/spin_lock.c
@@ -1,7 +1,7 @@
 #include <sys/spin_lock.h>

 /// Relax the spinlock using AMD64 pause instruction
-void spin_lock_relax (void) { __asm__ volatile ("pause"); }
+void spin_lock_relax (void) { __asm__ volatile ("pause" ::: "memory"); }

 void spin_lock_save_flags (uint64_t* flags) {
  __asm__ volatile ("pushfq; cli; popq %0" : "=rm"(*flags)::"memory");