diff options
Diffstat (limited to 'src/arch/riscv/bare_metal')
-rw-r--r-- | src/arch/riscv/bare_metal/system.cc | 68 | ||||
-rw-r--r-- | src/arch/riscv/bare_metal/system.hh | 52 |
2 files changed, 120 insertions, 0 deletions
diff --git a/src/arch/riscv/bare_metal/system.cc b/src/arch/riscv/bare_metal/system.cc new file mode 100644 index 000000000..5cbd63af2 --- /dev/null +++ b/src/arch/riscv/bare_metal/system.cc @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2018 TU Dresden + * 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: Robert Scheffel + */ + +#include "arch/riscv/bare_metal/system.hh" + +#include "base/loader/object_file.hh" + +BareMetalRiscvSystem::BareMetalRiscvSystem(Params *p) + : RiscvSystem(p), + bootloader(createObjectFile(p->bootloader)) +{ + if (bootloader == NULL) { + fatal("Could not load bootloader file %s", p->bootloader); + } + + _resetVect = bootloader->entryPoint(); +} + +BareMetalRiscvSystem::~BareMetalRiscvSystem() +{ + delete bootloader; +} + +void +BareMetalRiscvSystem::initState() +{ + // Call the initialisation of the super class + RiscvSystem::initState(); + + // load program sections into memory + if (!bootloader->loadSections(physProxy)) { + warn("could not load sections to memory"); + } +} + +BareMetalRiscvSystem * +BareMetalRiscvSystemParams::create() +{ + return new BareMetalRiscvSystem(this); +} + diff --git a/src/arch/riscv/bare_metal/system.hh b/src/arch/riscv/bare_metal/system.hh new file mode 100644 index 000000000..b9350bee4 --- /dev/null +++ b/src/arch/riscv/bare_metal/system.hh @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2018 TU Dresden + * 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: Robert Scheffel + */ + +#ifndef __ARCH_RISCV_BARE_METAL_SYSTEM_HH__ +#define __ARCH_RISCV_BARE_METAL_SYSTEM_HH__ + +#include "arch/riscv/system.hh" +#include "params/BareMetalRiscvSystem.hh" + +class BareMetalRiscvSystem : public RiscvSystem +{ + protected: + ObjectFile* bootloader; + + public: + typedef BareMetalRiscvSystemParams Params; + BareMetalRiscvSystem(Params *p); + ~BareMetalRiscvSystem(); + + // initialize the system + virtual void initState(); +}; + +#endif // __ARCH_RISCV_BARE_METAL_SYSTEM_HH__ + |