From c3e1bcb694a6cda1451973f7a35e324c79d9d17c Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Tue, 2 Jan 2018 19:21:52 +0000
Subject: [PATCH] v65c816-big: callax replacement for big memory

---
 Kernel/platform-v65c816-big/v65.s | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Kernel/platform-v65c816-big/v65.s b/Kernel/platform-v65c816-big/v65.s
index 8256c8e5..ca87afa8 100644
--- a/Kernel/platform-v65c816-big/v65.s
+++ b/Kernel/platform-v65c816-big/v65.s
@@ -18,7 +18,6 @@
 	    .import _procmem
 	    .import nmi_handler
 	    .import syscall_vector
-	    .import kstack_top
 	    .import istack_switched_sp
 	    .import istack_top
 	    .import _kernel_flag
@@ -239,6 +238,7 @@ _peek:
 
 	.segment "STUBS"
 	.export jmpvec
+	.export callax
 
 ;
 ;	Hack to deal with CC65 not supporting split I/D properly. It tries
@@ -247,6 +247,12 @@ _peek:
 ;
 ;	FIXME: we need to save 2:jmpvec+1/+2 across interrupts
 ;
+callax:		; FIXME: optimise
+	.a8
+	.i8
+
+	sta     jmpvec+1
+        stx     jmpvec+2
 jmpvec:
 	.a8
 	.i8
-- 
2.34.1