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+/*
+ * Copyright (c) 2007-2008 The Florida State University
+ * 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: Stephen Hines
+ */
+
+#ifndef __ARCH_ARM_REGFILE_MISC_REGFILE_HH__
+#define __ARCH_ARM_REGFILE_MISC_REGFILE_HH__
+
+#include "arch/arm/types.hh"
+#include "sim/faults.hh"
+
+class ThreadContext;
+
+namespace ArmISA
+{
+ static inline std::string getMiscRegName(RegIndex)
+ {
+ return "";
+ }
+
+ //Coprocessor 0 Register Names
+ enum MiscRegTags {
+ // Status Registers for the ARM
+ //
+ // CPSR Layout
+ // 31302928 ... 7 6 5 4 3 2 1 0
+ // N Z C V ... I F T { MODE }
+ CPSR = 0,
+ SPSR_FIQ,
+ SPSR_IRQ,
+ SPSR_SVC,
+ SPSR_UND,
+ SPSR_ABT,
+ FPSR
+ };
+
+ class MiscRegFile {
+
+ protected:
+ MiscReg miscRegFile[NumMiscRegs];
+
+ public:
+ void clear()
+ {
+ // Unknown startup state in misc register file currently
+ }
+
+ void copyMiscRegs(ThreadContext *tc);
+
+ MiscReg readRegNoEffect(int misc_reg)
+ {
+ return miscRegFile[misc_reg];
+ }
+
+ MiscReg readReg(int misc_reg, ThreadContext *tc)
+ {
+ return miscRegFile[misc_reg];
+ }
+
+ void setRegNoEffect(int misc_reg, const MiscReg &val)
+ {
+ miscRegFile[misc_reg] = val;
+ }
+
+ void setReg(int misc_reg, const MiscReg &val,
+ ThreadContext *tc)
+ {
+ miscRegFile[misc_reg] = val;
+ }
+
+ friend class RegFile;
+ };
+} // namespace ArmISA
+
+#endif