From 64dbe25a5023b87acaa648c7cfcb3f183032589a Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Wed, 4 Oct 2023 15:23:49 -0600
Subject: Makefile: add rules for demo

---
 demo/demo.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'demo/demo.h')

diff --git a/demo/demo.h b/demo/demo.h
index f01b36c..f98d599 100644
--- a/demo/demo.h
+++ b/demo/demo.h
@@ -13,10 +13,10 @@ struct cpu
 	unsigned num;
 };
 
-/* R12 está reservado por la ABI
+/* Esto viola la ABI, pero no importa porque no dependemos de bibliotecas
  * https://gcc.gnu.org/onlinedocs/gcc/Global-Register-Variables.html
  */
-register struct cpu *this_cpu asm("ip");
+register struct cpu *this_cpu asm("r9");
 
 void spin_init(struct lock *lock);
 void spin_lock(struct lock *lock, unsigned *irq_save);
-- 
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