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Diffstat (limited to 'dev/alpha_console.cc')
-rw-r--r--dev/alpha_console.cc61
1 files changed, 26 insertions, 35 deletions
diff --git a/dev/alpha_console.cc b/dev/alpha_console.cc
index 61b444628..6ca5e3a06 100644
--- a/dev/alpha_console.cc
+++ b/dev/alpha_console.cc
@@ -34,6 +34,7 @@
#include <cstdio>
#include <string>
+#include "arch/alpha/system.hh"
#include "base/inifile.hh"
#include "base/str.hh"
#include "base/trace.hh"
@@ -50,12 +51,12 @@
#include "mem/functional/physical.hh"
#include "sim/builder.hh"
#include "sim/sim_object.hh"
-#include "sim/system.hh"
using namespace std;
+using namespace AlphaISA;
AlphaConsole::AlphaConsole(const string &name, SimConsole *cons, SimpleDisk *d,
- System *s, BaseCPU *c, Platform *p,
+ AlphaSystem *s, BaseCPU *c, Platform *p,
MemoryController *mmu, Addr a,
HierParams *hier, Bus *pio_bus)
: PioDevice(name, p), disk(d), console(cons), system(s), cpu(c), addr(a)
@@ -80,9 +81,7 @@ AlphaConsole::AlphaConsole(const string &name, SimConsole *cons, SimpleDisk *d,
alphaAccess->diskOperation = 0;
alphaAccess->outputChar = 0;
alphaAccess->inputChar = 0;
- alphaAccess->bootStrapImpure = 0;
- alphaAccess->bootStrapCPU = 0;
- alphaAccess->align2 = 0;
+ bzero(alphaAccess->cpuStack, sizeof(alphaAccess->cpuStack));
system->setAlphaAccess(addr);
}
@@ -122,9 +121,6 @@ AlphaConsole::read(MemReqPtr &req, uint8_t *data)
case offsetof(AlphaAccess, numCPUs):
*(uint32_t*)data = alphaAccess->numCPUs;
break;
- case offsetof(AlphaAccess, bootStrapCPU):
- *(uint32_t*)data = alphaAccess->bootStrapCPU;
- break;
case offsetof(AlphaAccess, intrClockFrequency):
*(uint32_t*)data = alphaAccess->intrClockFrequency;
break;
@@ -175,18 +171,21 @@ AlphaConsole::read(MemReqPtr &req, uint8_t *data)
case offsetof(AlphaAccess, outputChar):
*(uint64_t*)data = alphaAccess->outputChar;
break;
- case offsetof(AlphaAccess, bootStrapImpure):
- *(uint64_t*)data = alphaAccess->bootStrapImpure;
- break;
default:
- panic("Unknown 64bit access, %#x\n", daddr);
+ int cpunum = (daddr - offsetof(AlphaAccess, cpuStack)) /
+ sizeof(alphaAccess->cpuStack[0]);
+
+ if (cpunum >= 0 && cpunum < 64)
+ *(uint64_t*)data = alphaAccess->cpuStack[cpunum];
+ else
+ panic("Unknown 64bit access, %#x\n", daddr);
}
break;
default:
- return Machine_Check_Fault;
+ return genMachineCheckFault();
}
- return No_Fault;
+ return NoFault;
}
Fault
@@ -203,7 +202,7 @@ AlphaConsole::write(MemReqPtr &req, const uint8_t *data)
val = *(uint64_t *)data;
break;
default:
- return Machine_Check_Fault;
+ return genMachineCheckFault();
}
Addr daddr = req->paddr - (addr & EV5::PAddrImplMask);
@@ -239,27 +238,21 @@ AlphaConsole::write(MemReqPtr &req, const uint8_t *data)
console->out((char)(val & 0xff));
break;
- case offsetof(AlphaAccess, bootStrapImpure):
- alphaAccess->bootStrapImpure = val;
- break;
-
- case offsetof(AlphaAccess, bootStrapCPU):
- warn("%d: Trying to launch another CPU!", curTick);
- assert(val > 0 && "Must not access primary cpu");
-
- other_xc = req->xc->system->execContexts[val];
- other_xc->regs.intRegFile[16] = val;
- other_xc->regs.ipr[TheISA::IPR_PALtemp16] = val;
- other_xc->regs.intRegFile[0] = val;
- other_xc->regs.intRegFile[30] = alphaAccess->bootStrapImpure;
other_xc->activate(); //Start the cpu
break;
default:
- return Machine_Check_Fault;
+ int cpunum = (daddr - offsetof(AlphaAccess, cpuStack)) /
+ sizeof(alphaAccess->cpuStack[0]);
+ warn("%d: Trying to launch CPU number %d!", curTick, cpunum);
+ assert(val > 0 && "Must not access primary cpu");
+ if (cpunum >= 0 && cpunum < 64)
+ alphaAccess->cpuStack[cpunum] = val;
+ else
+ panic("Unknown 64bit access, %#x\n", daddr);
}
- return No_Fault;
+ return NoFault;
}
Tick
@@ -287,8 +280,7 @@ AlphaConsole::Access::serialize(ostream &os)
SERIALIZE_SCALAR(diskOperation);
SERIALIZE_SCALAR(outputChar);
SERIALIZE_SCALAR(inputChar);
- SERIALIZE_SCALAR(bootStrapImpure);
- SERIALIZE_SCALAR(bootStrapCPU);
+ SERIALIZE_ARRAY(cpuStack,64);
}
void
@@ -310,8 +302,7 @@ AlphaConsole::Access::unserialize(Checkpoint *cp, const std::string &section)
UNSERIALIZE_SCALAR(diskOperation);
UNSERIALIZE_SCALAR(outputChar);
UNSERIALIZE_SCALAR(inputChar);
- UNSERIALIZE_SCALAR(bootStrapImpure);
- UNSERIALIZE_SCALAR(bootStrapCPU);
+ UNSERIALIZE_ARRAY(cpuStack, 64);
}
void
@@ -332,7 +323,7 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(AlphaConsole)
SimObjectParam<SimpleDisk *> disk;
SimObjectParam<MemoryController *> mmu;
Param<Addr> addr;
- SimObjectParam<System *> system;
+ SimObjectParam<AlphaSystem *> system;
SimObjectParam<BaseCPU *> cpu;
SimObjectParam<Platform *> platform;
SimObjectParam<Bus*> pio_bus;