changeset e76cc0ca16cc in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=e76cc0ca16cc
description:
Power: Provide a utility function to copy registers from one thread
context
to another in the Power ISA.
diffstat:
src/arch/power/SConscript | 1 +
src/arch/power/utility.cc | 58 +++++++++++++++++++++++++++++++++++++++++++++++
src/arch/power/utility.hh | 8 +----
3 files changed, 61 insertions(+), 6 deletions(-)
diffs (95 lines):
diff -r 7772a8bf76ee -r e76cc0ca16cc src/arch/power/SConscript
--- a/src/arch/power/SConscript Wed Jul 21 18:54:53 2010 -0700
+++ b/src/arch/power/SConscript Thu Jul 22 18:47:03 2010 +0100
@@ -42,6 +42,7 @@
Source('insts/static_inst.cc')
Source('pagetable.cc')
Source('tlb.cc')
+ Source('utility.cc')
SimObject('PowerTLB.py')
TraceFlag('Power')
diff -r 7772a8bf76ee -r e76cc0ca16cc src/arch/power/utility.cc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/arch/power/utility.cc Thu Jul 22 18:47:03 2010 +0100
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2003-2005 The Regents of The University of Michigan
+ * Copyright (c) 2007-2008 The Florida State University
+ * Copyright (c) 2009 The University of Edinburgh
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * 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;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
+ * OWNER 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.
+ *
+ * Authors: Korey Sewell
+ * Stephen Hines
+ * Timothy M. Jones
+ */
+
+#include "arch/power/utility.hh"
+
+namespace PowerISA {
+
+void
+copyRegs(ThreadContext *src, ThreadContext *dest)
+{
+ // First loop through the integer registers.
+ for (int i = 0; i < NumIntRegs; ++i)
+ dest->setIntReg(i, src->readIntReg(i));
+
+ // Then loop through the floating point registers.
+ for (int i = 0; i < NumFloatRegs; ++i)
+ dest->setFloatRegBits(i, src->readFloatRegBits(i));
+
+ // Copy misc. registers
+ copyMiscRegs(src, dest);
+
+ // Lastly copy PC/NPC
+ dest->setPC(src->readPC());
+ dest->setNextPC(src->readNextPC());
+}
+
+} // PowerISA namespace
diff -r 7772a8bf76ee -r e76cc0ca16cc src/arch/power/utility.hh
--- a/src/arch/power/utility.hh Wed Jul 21 18:54:53 2010 -0700
+++ b/src/arch/power/utility.hh Thu Jul 22 18:47:03 2010 +0100
@@ -101,16 +101,12 @@
return NoFault;
}
-static inline void
-copyRegs(ThreadContext *src, ThreadContext *dest)
-{
- panic("Copy Regs Not Implemented Yet\n");
-}
+void
+copyRegs(ThreadContext *src, ThreadContext *dest);
static inline void
copyMiscRegs(ThreadContext *src, ThreadContext *dest)
{
- panic("Copy Misc. Regs Not Implemented Yet\n");
}
} // PowerISA namespace
_______________________________________________
m5-dev mailing list
[email protected]
http://m5sim.org/mailman/listinfo/m5-dev
