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authorThordur I. Bjornsson <thib@cvs.openbsd.org>2007-11-14 20:33:33 +0000
committerThordur I. Bjornsson <thib@cvs.openbsd.org>2007-11-14 20:33:33 +0000
commit621c0c1ae99e0ecdc85964587e9bd6075928437b (patch)
treed1c85b27e3200662b9e5756f4981c3764c849080 /sys/arch
parente2fc99578bd7e2a71087242efb21e5f2b5349b5b (diff)
Turn the spl* macros into functions.
Shaves a few bytes of the kernel. No measurable performance loss. ok drahn@, kettenis@
Diffstat (limited to 'sys/arch')
-rw-r--r--sys/arch/powerpc/conf/files.powerpc3
-rw-r--r--sys/arch/powerpc/include/intr.h52
-rw-r--r--sys/arch/powerpc/powerpc/intr.c79
3 files changed, 87 insertions, 47 deletions
diff --git a/sys/arch/powerpc/conf/files.powerpc b/sys/arch/powerpc/conf/files.powerpc
index d3effdc83a4..85d51db5a41 100644
--- a/sys/arch/powerpc/conf/files.powerpc
+++ b/sys/arch/powerpc/conf/files.powerpc
@@ -1,4 +1,4 @@
-# $OpenBSD: files.powerpc,v 1.43 2007/10/10 15:53:52 art Exp $
+# $OpenBSD: files.powerpc,v 1.44 2007/11/14 20:33:32 thib Exp $
#
file arch/powerpc/powerpc/setjmp.S ddb
@@ -13,6 +13,7 @@ file arch/powerpc/powerpc/sys_machdep.c
file arch/powerpc/powerpc/trap.c
file arch/powerpc/powerpc/vm_machdep.c
file arch/powerpc/powerpc/mutex.S
+file arch/powerpc/powerpc/intr.c
file arch/powerpc/ddb/db_memrw.c ddb
file arch/powerpc/ddb/db_disasm.c ddb
diff --git a/sys/arch/powerpc/include/intr.h b/sys/arch/powerpc/include/intr.h
index a6999d357b1..3e2c206e9ef 100644
--- a/sys/arch/powerpc/include/intr.h
+++ b/sys/arch/powerpc/include/intr.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: intr.h,v 1.33 2007/05/19 10:20:57 miod Exp $ */
+/* $OpenBSD: intr.h,v 1.34 2007/11/14 20:33:32 thib Exp $ */
/*
* Copyright (c) 1997 Per Fogelstrom, Opsycon AB and RTMX Inc, USA.
@@ -66,6 +66,11 @@ void setsoftnet(void);
void clearsoftnet(void);
int splsoftnet(void);
+int splraise(int);
+int spllower(int);
+void splx(int);
+
+
void do_pending_int(void);
extern int imask[IPL_NUM];
@@ -73,51 +78,6 @@ extern int imask[IPL_NUM];
/* SPL asserts */
#define splassert(wantipl) /* nothing */
-/*
- * Reorder protection in the following inline functions is
- * achived with an empty asm volatile statement. the compiler
- * will not move instructions past asm volatiles.
- */
-volatile static __inline int
-splraise(int newcpl)
-{
- struct cpu_info *ci = curcpu();
- int oldcpl;
-
- __asm__ volatile("":::"memory"); /* don't reorder.... */
- oldcpl = ci->ci_cpl;
- ci->ci_cpl = oldcpl | newcpl;
- __asm__ volatile("":::"memory"); /* don't reorder.... */
- return(oldcpl);
-}
-
-volatile static __inline void
-splx(int newcpl)
-{
- struct cpu_info *ci = curcpu();
-
- __asm__ volatile("":::"memory"); /* reorder protect */
- ci->ci_cpl = newcpl;
- if(ci->ci_ipending & ~newcpl)
- do_pending_int();
- __asm__ volatile("":::"memory"); /* reorder protect */
-}
-
-volatile static __inline int
-spllower(int newcpl)
-{
- struct cpu_info *ci = curcpu();
- int oldcpl;
-
- __asm__ volatile("":::"memory"); /* reorder protect */
- oldcpl = ci->ci_cpl;
- ci->ci_cpl = newcpl;
- if(ci->ci_ipending & ~newcpl)
- do_pending_int();
- __asm__ volatile("":::"memory"); /* reorder protect */
- return(oldcpl);
-}
-
#define set_sint(p) atomic_setbits_int(&curcpu()->ci_ipending, p)
#define SINT_CLOCK 0x10000000
diff --git a/sys/arch/powerpc/powerpc/intr.c b/sys/arch/powerpc/powerpc/intr.c
new file mode 100644
index 00000000000..501560bba32
--- /dev/null
+++ b/sys/arch/powerpc/powerpc/intr.c
@@ -0,0 +1,79 @@
+/* $OpenBSD: intr.c,v 1.1 2007/11/14 20:33:32 thib Exp $ */
+
+/*
+ * Copyright (c) 1997 Per Fogelstrom, Opsycon AB and RTMX Inc, USA.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed under OpenBSD by
+ * Per Fogelstrom, Opsycon AB, Sweden for RTMX Inc, North Carolina USA.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <sys/param.h>
+
+#include <machine/cpu.h>
+#include <machine/intr.h>
+
+int
+splraise(int newcpl)
+{
+ struct cpu_info *ci = curcpu();
+ int oldcpl;
+
+ __asm__ volatile("":::"memory"); /* reorder protect */
+ oldcpl = ci->ci_cpl;
+ ci->ci_cpl = oldcpl | newcpl;
+ __asm__ volatile("":::"memory");
+
+ return (oldcpl);
+}
+
+int
+spllower(int newcpl)
+{
+ struct cpu_info *ci = curcpu();
+ int oldcpl;
+
+ __asm__ volatile("":::"memory"); /* reorder protect */
+ oldcpl = ci->ci_cpl;
+ ci->ci_cpl = newcpl;
+ if (ci->ci_ipending & ~newcpl)
+ do_pending_int();
+ __asm__ volatile("":::"memory");
+
+ return (oldcpl);
+}
+
+void
+splx(int newcpl)
+{
+ struct cpu_info *ci = curcpu();
+
+ __asm__ volatile("":::"memory"); /* reorder protect */
+ ci->ci_cpl = newcpl;
+ if (ci->ci_ipending & ~newcpl)
+ do_pending_int();
+ __asm__ volatile("":::"memory");
+}