Module Name: src
Committed By: tsutsui
Date: Fri Aug 6 05:53:50 UTC 2021
Modified Files:
src/sys/arch/news68k/news68k: machdep.c
Log Message:
Fix mm_md_physacc() to allow only accesses to a region of RAMs.
Note on NetBSD/news68k RAMs reserved by the PROM (at the end of the RAM)
are not managed.
To generate a diff of this commit:
cvs rdiff -u -r1.108 -r1.109 src/sys/arch/news68k/news68k/machdep.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/news68k/news68k/machdep.c
diff -u src/sys/arch/news68k/news68k/machdep.c:1.108 src/sys/arch/news68k/news68k/machdep.c:1.109
--- src/sys/arch/news68k/news68k/machdep.c:1.108 Thu Jun 11 19:20:44 2020
+++ src/sys/arch/news68k/news68k/machdep.c Fri Aug 6 05:53:50 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: machdep.c,v 1.108 2020/06/11 19:20:44 ad Exp $ */
+/* $NetBSD: machdep.c,v 1.109 2021/08/06 05:53:50 tsutsui Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.108 2020/06/11 19:20:44 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.109 2021/08/06 05:53:50 tsutsui Exp $");
#include "opt_ddb.h"
#include "opt_compat_netbsd.h"
@@ -992,8 +992,17 @@ consinit(void)
int
mm_md_physacc(paddr_t pa, vm_prot_t prot)
{
+ paddr_t memend;
- return (pa < lowram || pa >= 0xfffffffc) ? EFAULT : 0;
+ /*
+ * news68k has one contiguous memory segment.
+ */
+ memend = lowram + ctob(physmem);
+
+ if (lowram <= pa && pa < memend)
+ return 0;
+
+ return EFAULT;
}
int
