spinlocks using gcc intrinsics

push_off() / pop_off()
set up per-hart plic stuff so all harts get device interrupts

1 files changed, 2 insertions, 3 deletions

diff --git a/proc.h b/proc.h
index 00a1cb9..278e4cd 100644
--- a/proc.h
+++ b/proc.h
@@ -22,9 +22,8 @@ struct context {
 struct cpu {
   struct proc *proc;           // The process running on this cpu or null
   struct context scheduler;   // swtch() here to enter scheduler
-  volatile uint started;       // Has the CPU started?
-  int ncli;                    // Depth of pushcli nesting.
-  int intena;                  // Were interrupts enabled before pushcli?
+  int noff;                    // Depth of push_off() nesting.
+  int intena;                  // Were interrupts enabled before push_off()?
 };
 
 extern struct cpu cpus[NCPU];