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authorskrll <skrll@NetBSD.org>2022-06-13 16:03:07 +0000
committerskrll <skrll@NetBSD.org>2022-06-13 16:03:07 +0000
commit2573399d0b77e187b6dc15ca21bd2ded19bbcbe7 (patch)
tree01006b82c6e14807eff1ad2b663024642210ea22 /sys/lib
parentdc87a10122f49a51bcec4ec7a1dbf4ef6694c340 (diff)
Provide a __canonicalize_funcptr_for_compare which only needs to return
the passed value as the kernel doesn't do PLABELS. PR/56878 (hppa: kernel module lua fails to load)
Diffstat (limited to 'sys/lib')
-rw-r--r--sys/lib/libkern/arch/hppa/Makefile.inc3
-rw-r--r--sys/lib/libkern/arch/hppa/milli_extra.S42
2 files changed, 44 insertions, 1 deletions
diff --git a/sys/lib/libkern/arch/hppa/Makefile.inc b/sys/lib/libkern/arch/hppa/Makefile.inc
index 2b2db0b988c..3c88ff33338 100644
--- a/sys/lib/libkern/arch/hppa/Makefile.inc
+++ b/sys/lib/libkern/arch/hppa/Makefile.inc
@@ -1,7 +1,8 @@
-# $NetBSD: Makefile.inc,v 1.12 2014/03/13 16:09:11 pooka Exp $
+# $NetBSD: Makefile.inc,v 1.13 2022/06/13 16:03:07 skrll Exp $
SRCS+= milli.S
SRCS+= bcopy.S memcpy.S memmove.S
+SRCS+= milli_extra.S
# XXX: spcopy does not really belong in libkern in the first place
.ifndef RUMPKERNEL
diff --git a/sys/lib/libkern/arch/hppa/milli_extra.S b/sys/lib/libkern/arch/hppa/milli_extra.S
new file mode 100644
index 00000000000..587e0f23304
--- /dev/null
+++ b/sys/lib/libkern/arch/hppa/milli_extra.S
@@ -0,0 +1,42 @@
+/*-
+ * Copyright (c) 2022 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Nick Hudson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "machine/asm.h"
+
+
+#define MILLI_ENTRY(x) !\
+ .text ! .align 4 !\
+ .export x, millicode ! .label x ! .proc !\
+ .callinfo no_calls !\
+ .entry
+
+MILLI_ENTRY(__canonicalize_funcptr_for_compare)
+ bv %r0(%sp)
+ copy %arg0, %ret0
+EXIT(__canonicalize_funcptr_for_compare)