changeset 3b3756efad89 in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=3b3756efad89
description:
CPU: Create a microcode ROM object in the CPU which is defined by the
ISA.
diffstat:
5 files changed, 106 insertions(+)
src/arch/alpha/microcode_rom.hh | 20 ++++++++++++++++++++
src/arch/mips/microcode_rom.hh | 20 ++++++++++++++++++++
src/arch/sparc/microcode_rom.hh | 20 ++++++++++++++++++++
src/arch/x86/microcode_rom.hh | 20 ++++++++++++++++++++
src/sim/microcode_rom.hh | 26 ++++++++++++++++++++++++++
diffs (267 lines):
diff -r be5cb9485aed -r 3b3756efad89 src/arch/SConscript
--- a/src/arch/SConscript Sun Oct 12 15:53:04 2008 -0700
+++ b/src/arch/SConscript Sun Oct 12 15:59:21 2008 -0700
@@ -49,6 +49,7 @@
isa_traits.hh
kernel_stats.hh
locked_mem.hh
+ microcode_rom.hh
mmaped_ipr.hh
process.hh
predecoder.hh
diff -r be5cb9485aed -r 3b3756efad89 src/arch/alpha/microcode_rom.hh
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/arch/alpha/microcode_rom.hh Sun Oct 12 15:59:21 2008 -0700
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2008 The Regents of The University of Michigan
+ * 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: Gabe Black
+ */
+
+#ifndef __ARCH_ALPHA_MICROCODE_ROM_HH__
+#define __ARCH_ALPHA_MICROCODE_ROM_HH__
+
+#include "sim/microcode_rom.hh"
+
+namespace AlphaISA
+{
+ using ::MicrocodeRom;
+}
+
+#endif // __ARCH_ALPHA_MICROCODE_ROM_HH__
diff -r be5cb9485aed -r 3b3756efad89 src/arch/mips/microcode_rom.hh
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/arch/mips/microcode_rom.hh Sun Oct 12 15:59:21 2008 -0700
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2008 The Regents of The University of Michigan
+ * 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: Gabe Black
+ */
+
+#ifndef __ARCH_MIPS_MICROCODE_ROM_HH__
+#define __ARCH_MIPS_MICROCODE_ROM_HH__
+
+#include "sim/microcode_rom.hh"
+
+namespace MipsISA
+{
+ using ::MicrocodeRom;
+}
+
+#endif // __ARCH_MIPS_MICROCODE_ROM_HH__
diff -r be5cb9485aed -r 3b3756efad89 src/arch/sparc/microcode_rom.hh
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/arch/sparc/microcode_rom.hh Sun Oct 12 15:59:21 2008 -0700
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2008 The Regents of The University of Michigan
+ * 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: Gabe Black
+ */
+
+#ifndef __ARCH_SPARC_MICROCODE_ROM_HH__
+#define __ARCH_SPARC_MICROCODE_ROM_HH__
+
+#include "sim/microcode_rom.hh"
+
+namespace SparcISA
+{
+ using ::MicrocodeRom;
+}
+
+#endif // __ARCH_SPARC_MICROCODE_ROM_HH__
diff -r be5cb9485aed -r 3b3756efad89 src/arch/x86/microcode_rom.hh
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/arch/x86/microcode_rom.hh Sun Oct 12 15:59:21 2008 -0700
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2008 The Regents of The University of Michigan
+ * 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: Gabe Black
+ */
+
+#ifndef __ARCH_X86_MICROCODE_ROM_HH__
+#define __ARCH_X86_MICROCODE_ROM_HH__
+
+#include "sim/microcode_rom.hh"
+
+namespace X86ISA
+{
+ using ::MicrocodeRom;
+}
+
+#endif // __ARCH_X86_MICROCODE_ROM_HH__
diff -r be5cb9485aed -r 3b3756efad89 src/cpu/base.hh
--- a/src/cpu/base.hh Sun Oct 12 15:53:04 2008 -0700
+++ b/src/cpu/base.hh Sun Oct 12 15:59:21 2008 -0700
@@ -35,6 +35,7 @@
#include <vector>
#include "arch/isa_traits.hh"
+#include "arch/microcode_rom.hh"
#include "base/statistics.hh"
#include "config/full_system.hh"
#include "sim/eventq.hh"
@@ -102,6 +103,8 @@
* @param begin_tick The tick that the event is completing on.
*/
Tick nextCycle(Tick begin_tick);
+
+ TheISA::MicrocodeRom microcodeRom;
#if FULL_SYSTEM
protected:
diff -r be5cb9485aed -r 3b3756efad89 src/sim/microcode_rom.hh
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/sim/microcode_rom.hh Sun Oct 12 15:59:21 2008 -0700
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2008 The Regents of The University of Michigan
+ * 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: Gabe Black
+ */
+
+#ifndef __SIM_MICROCODE_ROM_HH__
+#define __SIM_MICROCODE_ROM_HH__
+
+/*
+ * This is a generic stub microcode ROM ISAs can use if they don't need
+ * anything more.
+ */
+
+#include "base/misc.hh"
+#include "cpu/static_inst.hh"
+
+class MicrocodeRom
+{
+ public:
+ StaticInstPtr
+ fetchMicroop(MicroPC micropc, StaticInstPtr curMacroop)
+ {
+ panic("ROM based microcode isn't implemented.\n");
+ }
+};
+
+#endif // __SIM_MICROCODE_ROM_HH__
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