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Diffstat (limited to 'src/arch/arm/fastmodel/GIC/commands.hh')
-rw-r--r-- | src/arch/arm/fastmodel/GIC/commands.hh | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/arch/arm/fastmodel/GIC/commands.hh b/src/arch/arm/fastmodel/GIC/commands.hh new file mode 100644 index 000000000..70f69c86c --- /dev/null +++ b/src/arch/arm/fastmodel/GIC/commands.hh @@ -0,0 +1,84 @@ +/* + * Copyright 2019 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. + * + * Authors: Gabe Black + */ + +#ifndef __ARCH_ARM_FASTMODEL_GIC_COMMANDS_HH__ +#define __ARCH_ARM_FASTMODEL_GIC_COMMANDS_HH__ + +#include <cstdint> + +#include "base/logging.hh" +#include "sg/SGSignal.h" + +namespace FastModel +{ + +class PPICommand +{ + private: + uint8_t _cpu; + uint32_t _num; + sg::Signal::State _state; + + public: + PPICommand(uint8_t c, uint32_t n, bool set) : + _cpu(c), _num(n), _state(set ? sg::Signal::Set : sg::Signal::Clear) + { + panic_if(_cpu > 255, "PPICommand CPU out of bounds"); + panic_if(_num > 15, "PPICommand number out of bounds"); + } + + PPICommand() : PPICommand(0, 0, false) {} + + uint8_t cpu() const { return _cpu; } + uint32_t num() const { return _num; } + sg::Signal::State state() const { return _state; } +}; + +class SPICommand +{ + private: + uint32_t _num; + sg::Signal::State _state; + + public: + SPICommand(uint32_t n, bool set) : + _num(n), _state(set ? sg::Signal::Set : sg::Signal::Clear) + { + panic_if(_num > 987, "SPICommand number out of bounds"); + } + + SPICommand() : SPICommand(0, false) {} + + uint32_t num() const { return _num; } + sg::Signal::State state() const { return _state; } +}; + +} // namespace FastModel + +#endif // __ARCH_ARM_FASTMODEL_GIC_COMMANDS_HH__ |