| /* |
| * Copyright 2021 Google Inc. |
| * |
| * 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. |
| */ |
| |
| #ifndef __ARCH_SPARC_PSEUDO_INST_ABI_HH__ |
| #define __ARCH_SPARC_PSEUDO_INST_ABI_HH__ |
| |
| #include "arch/sparc/regs/int.hh" |
| #include "cpu/thread_context.hh" |
| #include "sim/guest_abi.hh" |
| |
| namespace gem5 |
| { |
| |
| struct SparcPseudoInstABI |
| { |
| using State = int; |
| }; |
| |
| namespace guest_abi |
| { |
| |
| template <typename T> |
| struct Result<SparcPseudoInstABI, T> |
| { |
| static void |
| store(ThreadContext *tc, const T &ret) |
| { |
| // This assumes that all pseudo ops have their return value set |
| // by the pseudo op instruction. This may need to be revisited if we |
| // modify the pseudo op ABI in util/m5/m5op_x86.S |
| tc->setReg(SparcISA::int_reg::O0, ret); |
| } |
| }; |
| |
| template <> |
| struct Argument<SparcPseudoInstABI, uint64_t> |
| { |
| static uint64_t |
| get(ThreadContext *tc, SparcPseudoInstABI::State &state) |
| { |
| panic_if(state >= 6, "Too many psuedo inst arguments."); |
| return tc->getReg(SparcISA::int_reg::o(state++)); |
| } |
| }; |
| |
| } // namespace guest_abi |
| } // namespace gem5 |
| |
| #endif // __ARCH_SPARC_PSEUDO_INST_ABI_HH__ |