| /* |
| * Copyright 2020 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. |
| */ |
| |
| #include <cstring> |
| |
| #include "args.hh" |
| #include "call_type.hh" |
| #include "dispatch_table.hh" |
| #include "m5_mmap.h" |
| #include "usage.hh" |
| |
| extern "C" |
| { |
| #define M5OP(name, func) __typeof__(name) M5OP_MERGE_TOKENS(name, _addr); |
| M5OP_FOREACH |
| #undef M5OP |
| } |
| |
| namespace |
| { |
| |
| DispatchTable addr_dispatch = { |
| #define M5OP(name, func) .name = &::M5OP_MERGE_TOKENS(name, _addr), |
| M5OP_FOREACH |
| #undef M5OP |
| }; |
| |
| #if defined(M5OP_ADDR) |
| const bool DefaultAddrDefined = true; |
| constexpr uint64_t DefaultAddress = M5OP_ADDR; |
| #else |
| const bool DefaultAddrDefined = false; |
| constexpr uint64_t DefaultAddress = 0; |
| #endif |
| |
| class AddrCallType : public CallType |
| { |
| public: |
| AddrCallType() : CallType("addr") {} |
| |
| bool isDefault() const override { return CALL_TYPE_IS_DEFAULT; } |
| const DispatchTable &getDispatch() const override { return addr_dispatch; } |
| |
| void |
| printBrief(std::ostream &os) const override |
| { |
| os << "--" << name << (DefaultAddrDefined ? " [address override]" : |
| " <address override>"); |
| } |
| |
| void |
| printDesc(std::ostream &os) const override |
| { |
| os << "Use the address based invocation method."; |
| if (DefaultAddrDefined) { |
| os << " The default address is 0x" << |
| std::hex << DefaultAddress << std::dec << "."; |
| } |
| } |
| |
| CheckArgsResult |
| checkArgs(Args &args) override |
| { |
| const std::string prefix = "--" + name; |
| uint64_t addr_override; |
| |
| // If the first argument doesn't start with --addr... |
| if (!args.size() || args[0].substr(0, prefix.size()) != prefix) |
| return CheckArgsResult::NoMatch; |
| |
| const std::string &arg = args.pop().substr(prefix.size()); |
| |
| // If there's more text in this argument... |
| if (arg.size()) { |
| // If it doesn't start with '=', it's malformed. |
| if (arg[0] != '=') |
| return CheckArgsResult::Usage; |
| // Attempt to extract an address after the '='. |
| if (!args.stoi(arg.substr(1), addr_override)) |
| return CheckArgsResult::Usage; |
| // If we found an address, use it to override m5op_addr. |
| m5op_addr = addr_override; |
| return CheckArgsResult::Match; |
| } |
| // If an address override wasn't part of the first argument, check if |
| // it's the second argument. If not, then there's no override. |
| if (args.pop(addr_override)) { |
| m5op_addr = addr_override; |
| return CheckArgsResult::Match; |
| } |
| // If the default address was not defined, an override is required. |
| if (!DefaultAddrDefined) |
| return CheckArgsResult::Usage; |
| |
| return CheckArgsResult::Match; |
| } |
| |
| void init() override { map_m5_mem(); } |
| } addr_call_type; |
| |
| } // anonymous namespace |