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author | Curtis Dunham <Curtis.Dunham@arm.com> | 2014-04-29 16:05:02 -0500 |
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committer | Curtis Dunham <Curtis.Dunham@arm.com> | 2014-04-29 16:05:02 -0500 |
commit | 4a3f11149d791284a012af71067f6b2199aa165c (patch) | |
tree | c960b2f2c5e23fc37e238f423a8bbc3b73419213 /src/arch/arm/ccregs.hh | |
parent | 035a82ee2c7e9ee72163a6559f721b242427906d (diff) | |
download | gem5-4a3f11149d791284a012af71067f6b2199aa165c.tar.xz |
arm: use condition code registers for ARM ISA
Analogous to ee049bf (for x86). Requires a bump of the checkpoint version
and corresponding upgrader code to move the condition code register values
to the new register file.
Diffstat (limited to 'src/arch/arm/ccregs.hh')
-rw-r--r-- | src/arch/arm/ccregs.hh | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/arch/arm/ccregs.hh b/src/arch/arm/ccregs.hh new file mode 100644 index 000000000..1818d9bce --- /dev/null +++ b/src/arch/arm/ccregs.hh @@ -0,0 +1,85 @@ +/* + * Copyright (c) 2014 ARM Limited + * All rights reserved + * + * The license below extends only to copyright in the software and shall + * not be construed as granting a license to any other intellectual + * property including but not limited to intellectual property relating + * to a hardware implementation of the functionality of the software + * licensed hereunder. You may use the software subject to the license + * terms below provided that you ensure that this notice is replicated + * unmodified and in its entirety in all distributions of the software, + * modified or unmodified, in source code or in binary form. + * + * 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: Curtis Dunham + */ +#ifndef __ARCH_ARM_CCREGS_HH__ +#define __ARCH_ARM_CCREGS_HH__ + +namespace ArmISA +{ + +enum ccRegIndex { + CCREG_NZ, + CCREG_C, + CCREG_V, + CCREG_GE, + CCREG_FP, + CCREG_ZERO, + NUM_CCREGS +}; + +const char * const ccRegName[NUM_CCREGS] = { + "nz", + "c", + "v", + "ge", + "fp", + "zero" +}; + +enum ConditionCode { + COND_EQ = 0, + COND_NE, // 1 + COND_CS, // 2 + COND_CC, // 3 + COND_MI, // 4 + COND_PL, // 5 + COND_VS, // 6 + COND_VC, // 7 + COND_HI, // 8 + COND_LS, // 9 + COND_GE, // 10 + COND_LT, // 11 + COND_GT, // 12 + COND_LE, // 13 + COND_AL, // 14 + COND_UC // 15 +}; + +} + +#endif // __ARCH_ARM_CCREGS_HH__ |