Module Name: src
Committed By: maxv
Date: Fri Nov 10 08:52:57 UTC 2017
Modified Files:
src/sys/arch/amd64/stand/prekern: prekern.h
Log Message:
Implement memcpy, the builtin version does not work with variable sizes.
To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/sys/arch/amd64/stand/prekern/prekern.h
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/amd64/stand/prekern/prekern.h
diff -u src/sys/arch/amd64/stand/prekern/prekern.h:1.7 src/sys/arch/amd64/stand/prekern/prekern.h:1.8
--- src/sys/arch/amd64/stand/prekern/prekern.h:1.7 Fri Nov 10 08:05:38 2017
+++ src/sys/arch/amd64/stand/prekern/prekern.h Fri Nov 10 08:52:57 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: prekern.h,v 1.7 2017/11/10 08:05:38 maxv Exp $ */
+/* $NetBSD: prekern.h,v 1.8 2017/11/10 08:52:57 maxv Exp $ */
/*
* Copyright (c) 2017 The NetBSD Foundation, Inc. All rights reserved.
@@ -41,7 +41,6 @@
#define MM_PROT_EXECUTE 0x02
#define ASSERT(a) if (!(a)) fatal("ASSERT");
-#define memcpy(d, v, l) __builtin_memcpy(d, v, l)
typedef uint64_t paddr_t;
typedef uint64_t vaddr_t;
typedef uint64_t pt_entry_t;
@@ -60,6 +59,16 @@ typedef uint64_t pte_prot_t;
/* -------------------------------------------------------------------------- */
static inline void
+memcpy(void *dst, void *src, size_t sz)
+{
+ char *bdst = dst, *bsrc = src;
+ while (sz > 0) {
+ *bdst = *bsrc;
+ bdst++, bsrc++, sz--;
+ }
+}
+
+static inline void
memset(void *dst, char c, size_t sz)
{
char *bdst = dst;
