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-rw-r--r--kern/tru64/tru64_system.cc239
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diff --git a/kern/tru64/tru64_system.cc b/kern/tru64/tru64_system.cc
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+++ b/kern/tru64/tru64_system.cc
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+/*
+ * Copyright (c) 2003 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.
+ */
+
+#include "base/remote_gdb.hh"
+#include "base/trace.hh"
+#include "base/loader/aout_object.hh"
+#include "base/loader/ecoff_object.hh"
+#include "base/loader/object_file.hh"
+#include "base/loader/symtab.hh"
+#include "cpu/exec_context.hh"
+#include "kern/tru64/tru64_events.hh"
+#include "kern/tru64/tru64_system.hh"
+#include "mem/functional_mem/memory_control.hh"
+#include "mem/functional_mem/physical_memory.hh"
+#include "targetarch/isa_traits.hh"
+#include "targetarch/vtophys.hh"
+
+using namespace std;
+
+Tru64System::Tru64System(const string _name, MemoryController *_memCtrl,
+ PhysicalMemory *_physmem, const string &kernel_path,
+ const string &console_path, const string &palcode,
+ const string &boot_osflags)
+ : System(_name, _memCtrl, _physmem)
+{
+ kernelSymtab = new SymbolTable;
+ consoleSymtab = new SymbolTable;
+
+ ObjectFile *kernel = createObjectFile(kernel_path);
+ if (kernel == NULL)
+ fatal("Could not load kernel file %s", kernel_path);
+
+ ObjectFile *console = createObjectFile(console_path);
+ if (console == NULL)
+ fatal("Could not load console file %s", console_path);
+
+ if (!kernel->loadGlobalSymbols(kernelSymtab))
+ panic("could not load kernel symbols\n");
+
+ if (!console->loadGlobalSymbols(consoleSymtab))
+ panic("could not load console symbols\n");
+
+ // Load pal file
+ ObjectFile *pal = createObjectFile(palcode);
+ if (pal == NULL)
+ fatal("Could not load PALcode file %s", palcode);
+ pal->loadSections(physmem, true);
+
+ // copy of initial reg file contents
+ initRegs = new RegFile;
+ memset(initRegs, 0, sizeof(RegFile));
+
+ // Load console file
+ console->loadSections(physmem, true);
+
+ // Load kernel file
+ kernel->loadSections(physmem, true);
+ kernelStart = kernel->textBase();
+ kernelEnd = kernel->bssBase() + kernel->bssSize();
+ kernelEntry = kernel->entryPoint();
+
+ DPRINTF(Loader, "Kernel start = %#x\n"
+ "Kernel end = %#x\n"
+ "Kernel entry = %#x\n",
+ kernelStart, kernelEnd, kernelEntry);
+
+ // Setup kernel boot parameters
+ initRegs->pc = 0x4001;
+ initRegs->npc = initRegs->pc + sizeof(MachInst);
+
+ DPRINTF(Loader, "Kernel loaded...\n");
+
+ kernelPanicEvent = new BreakPCEvent(&pcEventQueue, "kernel panic");
+ consolePanicEvent = new BreakPCEvent(&pcEventQueue, "console panic");
+ badaddrEvent = new BadAddrEvent(&pcEventQueue, "badaddr");
+ skipPowerStateEvent = new SkipFuncEvent(&pcEventQueue,
+ "tl_v48_capture_power_state");
+ skipScavengeBootEvent = new SkipFuncEvent(&pcEventQueue,
+ "pmap_scavenge_boot");
+ printfEvent = new PrintfEvent(&pcEventQueue, "printf");
+ debugPrintfEvent = new DebugPrintfEvent(&pcEventQueue,
+ "debug_printf", false);
+ debugPrintfrEvent = new DebugPrintfEvent(&pcEventQueue,
+ "debug_printfr", true);
+ dumpMbufEvent = new DumpMbufEvent(&pcEventQueue, "dump_mbuf");
+
+ Addr addr = 0;
+ if (kernelSymtab->findAddress("enable_async_printf", addr)) {
+ Addr paddr = vtophys(physmem, addr);
+ uint8_t *enable_async_printf =
+ physmem->dma_addr(paddr, sizeof(uint32_t));
+
+ if (enable_async_printf)
+ *(uint32_t *)enable_async_printf = 0;
+ }
+
+ if (consoleSymtab->findAddress("env_booted_osflags", addr)) {
+ Addr paddr = vtophys(physmem, addr);
+ char *osflags = (char *)physmem->dma_addr(paddr, sizeof(uint32_t));
+
+ if (osflags)
+ strcpy(osflags, boot_osflags.c_str());
+ }
+
+ if (kernelSymtab->findAddress("panic", addr))
+ kernelPanicEvent->schedule(addr);
+ else
+ panic("could not find kernel symbol \'panic\'");
+
+ if (consoleSymtab->findAddress("panic", addr))
+ consolePanicEvent->schedule(addr);
+
+ if (kernelSymtab->findAddress("badaddr", addr))
+ badaddrEvent->schedule(addr);
+ else
+ panic("could not find kernel symbol \'badaddr\'");
+
+ if (kernelSymtab->findAddress("tl_v48_capture_power_state", addr))
+ skipPowerStateEvent->schedule(addr);
+
+ if (kernelSymtab->findAddress("pmap_scavenge_boot", addr))
+ skipScavengeBootEvent->schedule(addr);
+
+#if TRACING_ON
+ if (kernelSymtab->findAddress("printf", addr))
+ printfEvent->schedule(addr);
+
+ if (kernelSymtab->findAddress("m5printf", addr))
+ debugPrintfEvent->schedule(addr);
+
+ if (kernelSymtab->findAddress("m5printfr", addr))
+ debugPrintfrEvent->schedule(addr);
+
+ if (kernelSymtab->findAddress("m5_dump_mbuf", addr))
+ dumpMbufEvent->schedule(addr);
+#endif
+}
+
+Tru64System::~Tru64System()
+{
+ delete initRegs;
+
+ delete kernel;
+ delete console;
+
+ delete kernelSymtab;
+ delete consoleSymtab;
+
+ delete kernelPanicEvent;
+ delete consolePanicEvent;
+ delete badaddrEvent;
+ delete skipPowerStateEvent;
+ delete skipScavengeBootEvent;
+ delete printfEvent;
+ delete debugPrintfEvent;
+ delete debugPrintfrEvent;
+ delete dumpMbufEvent;
+
+}
+
+void
+Tru64System::init(ExecContext *xc)
+{
+ xc->regs = *initRegs;
+
+ remoteGDB = new RemoteGDB(this, xc);
+ gdbListen = new GDBListener(remoteGDB, 7000);
+ gdbListen->listen();
+
+ // Reset the system
+ //
+ TheISA::init(physmem, &xc->regs);
+}
+
+bool
+Tru64System::breakpoint()
+{
+ return remoteGDB->trap(ALPHA_KENTRY_IF);
+}
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(Tru64System)
+
+ SimObjectParam<MemoryController *> mem_ctl;
+ SimObjectParam<PhysicalMemory *> physmem;
+
+ Param<string> kernel_code;
+ Param<string> console_code;
+ Param<string> pal_code;
+ Param<string> boot_osflags;
+
+END_DECLARE_SIM_OBJECT_PARAMS(Tru64System)
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(Tru64System)
+
+ INIT_PARAM(mem_ctl, "memory controller"),
+ INIT_PARAM(physmem, "phsyical memory"),
+ INIT_PARAM(kernel_code, "file that contains the kernel code"),
+ INIT_PARAM(console_code, "file that contains the console code"),
+ INIT_PARAM(pal_code, "file that contains palcode"),
+ INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot",
+ "a")
+
+END_INIT_SIM_OBJECT_PARAMS(Tru64System)
+
+CREATE_SIM_OBJECT(Tru64System)
+{
+ Tru64System *sys = new Tru64System(getInstanceName(), mem_ctl, physmem,
+ kernel_code, console_code, pal_code,
+ boot_osflags);
+
+ return sys;
+}
+
+REGISTER_SIM_OBJECT("Tru64System", Tru64System)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 21:45:06 +0000