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Diffstat (limited to 'arch/alpha/freebsd/system.cc')
| -rw-r--r-- | arch/alpha/freebsd/system.cc | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/arch/alpha/freebsd/system.cc b/arch/alpha/freebsd/system.cc deleted file mode 100644 index 0f5296265..000000000 --- a/arch/alpha/freebsd/system.cc +++ /dev/null @@ -1,157 +0,0 @@ -/* - * Copyright (c) 2004-2005 The Regents of The University of Michigan - * 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. - */ - -/** - * @file - * Modifications for the FreeBSD kernel. - * Based on kern/linux/linux_system.cc. - * - */ - -#include "arch/alpha/system.hh" -#include "arch/alpha/freebsd/system.hh" -#include "base/loader/symtab.hh" -#include "cpu/exec_context.hh" -#include "mem/functional/memory_control.hh" -#include "mem/functional/physical.hh" -#include "arch/isa_traits.hh" -#include "sim/builder.hh" -#include "sim/byteswap.hh" -#include "arch/vtophys.hh" - -#define TIMER_FREQUENCY 1193180 - -using namespace std; -using namespace AlphaISA; - -FreebsdAlphaSystem::FreebsdAlphaSystem(Params *p) - : AlphaSystem(p) -{ - /** - * Any time DELAY is called just skip the function. - * Shouldn't we actually emulate the delay? - */ - skipDelayEvent = addKernelFuncEvent<SkipFuncEvent>("DELAY"); - skipCalibrateClocks = - addKernelFuncEvent<SkipCalibrateClocksEvent>("calibrate_clocks"); -} - - -FreebsdAlphaSystem::~FreebsdAlphaSystem() -{ - delete skipDelayEvent; - delete skipCalibrateClocks; -} - - -void -FreebsdAlphaSystem::doCalibrateClocks(ExecContext *xc) -{ - Addr ppc_vaddr = 0; - Addr timer_vaddr = 0; - Addr ppc_paddr = 0; - Addr timer_paddr = 0; - - ppc_vaddr = (Addr)xc->readIntReg(ArgumentReg1); - timer_vaddr = (Addr)xc->readIntReg(ArgumentReg2); - - ppc_paddr = vtophys(physmem, ppc_vaddr); - timer_paddr = vtophys(physmem, timer_vaddr); - - uint8_t *ppc = physmem->dma_addr(ppc_paddr, sizeof(uint32_t)); - uint8_t *timer = physmem->dma_addr(timer_paddr, sizeof(uint32_t)); - - *(uint32_t *)ppc = htog((uint32_t)Clock::Frequency); - *(uint32_t *)timer = htog((uint32_t)TIMER_FREQUENCY); -} - - -void -FreebsdAlphaSystem::SkipCalibrateClocksEvent::process(ExecContext *xc) -{ - SkipFuncEvent::process(xc); - ((FreebsdAlphaSystem *)xc->getSystemPtr())->doCalibrateClocks(xc); -} - - -BEGIN_DECLARE_SIM_OBJECT_PARAMS(FreebsdAlphaSystem) - - Param<Tick> boot_cpu_frequency; - SimObjectParam<MemoryController *> memctrl; - SimObjectParam<PhysicalMemory *> physmem; - - Param<string> kernel; - Param<string> console; - Param<string> pal; - - Param<string> boot_osflags; - Param<string> readfile; - Param<unsigned int> init_param; - - Param<uint64_t> system_type; - Param<uint64_t> system_rev; - -END_DECLARE_SIM_OBJECT_PARAMS(FreebsdAlphaSystem) - -BEGIN_INIT_SIM_OBJECT_PARAMS(FreebsdAlphaSystem) - - INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"), - INIT_PARAM(memctrl, "memory controller"), - INIT_PARAM(physmem, "phsyical memory"), - INIT_PARAM(kernel, "file that contains the kernel code"), - INIT_PARAM(console, "file that contains the console code"), - INIT_PARAM(pal, "file that contains palcode"), - INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot", - "a"), - INIT_PARAM_DFLT(readfile, "file to read startup script from", ""), - INIT_PARAM_DFLT(init_param, "numerical value to pass into simulator", 0), - INIT_PARAM_DFLT(system_type, "Type of system we are emulating", 34), - INIT_PARAM_DFLT(system_rev, "Revision of system we are emulating", 1<<10) - -END_INIT_SIM_OBJECT_PARAMS(FreebsdAlphaSystem) - -CREATE_SIM_OBJECT(FreebsdAlphaSystem) -{ - AlphaSystem::Params *p = new AlphaSystem::Params; - p->name = getInstanceName(); - p->boot_cpu_frequency = boot_cpu_frequency; - p->memctrl = memctrl; - p->physmem = physmem; - p->kernel_path = kernel; - p->console_path = console; - p->palcode = pal; - p->boot_osflags = boot_osflags; - p->init_param = init_param; - p->readfile = readfile; - p->system_type = system_type; - p->system_rev = system_rev; - return new FreebsdAlphaSystem(p); -} - -REGISTER_SIM_OBJECT("FreebsdAlphaSystem", FreebsdAlphaSystem) - |