From: Alan Cox <alan@linux.intel.com>
Date: Sun, 1 Feb 2015 20:34:34 +0000 (+0000)
Subject: 68000: note need to change doexec
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=2310ecab386075746ce17fddb227b130bf44f921;p=FUZIX.git

68000: note need to change doexec
---

diff --git a/Kernel/lowlevel-68000.S b/Kernel/lowlevel-68000.S
index 95d4fa78..3c59065f 100644
--- a/Kernel/lowlevel-68000.S
+++ b/Kernel/lowlevel-68000.S
@@ -37,6 +37,11 @@ irqrestore:
 		rts
 
 doexec:
+		;
+		;	FIXME: we need to reset sp (we effectively longjmp
+		; 	in supervisor space), then push the values. If we
+		;	don't then the supervisor stack will go awry
+		;
 		move.l (sp)+,a0			; throw the return address
 		clr.w -(sp)			; set up the status register
 		move.l U_DATA__U_ISP,a0