gem5/dev/tsunami_cchip.cc

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/*
Many files: Update copyright dates and author list SConscript: arch/alpha/alpha_linux_process.cc: arch/alpha/alpha_linux_process.hh: arch/alpha/alpha_memory.cc: arch/alpha/alpha_memory.hh: arch/alpha/alpha_tru64_process.cc: arch/alpha/alpha_tru64_process.hh: arch/alpha/aout_machdep.h: arch/alpha/arguments.cc: arch/alpha/arguments.hh: arch/alpha/ev5.cc: arch/alpha/ev5.hh: arch/alpha/faults.cc: arch/alpha/faults.hh: arch/alpha/isa_desc: arch/alpha/isa_traits.hh: arch/alpha/osfpal.cc: arch/alpha/osfpal.hh: arch/alpha/pseudo_inst.cc: arch/alpha/pseudo_inst.hh: arch/alpha/vptr.hh: arch/alpha/vtophys.cc: arch/alpha/vtophys.hh: base/bitfield.hh: base/callback.hh: base/circlebuf.cc: base/circlebuf.hh: base/cprintf.cc: base/cprintf.hh: base/cprintf_formats.hh: base/crc.hh: base/date.cc: base/dbl_list.hh: base/endian.hh: base/fast_alloc.cc: base/fast_alloc.hh: base/fifo_buffer.cc: base/fifo_buffer.hh: base/hashmap.hh: base/hostinfo.cc: base/hostinfo.hh: base/hybrid_pred.cc: base/hybrid_pred.hh: base/inet.cc: base/inet.hh: base/inifile.cc: base/inifile.hh: base/intmath.cc: base/intmath.hh: base/match.cc: base/match.hh: base/misc.cc: base/misc.hh: base/mod_num.hh: base/mysql.cc: base/mysql.hh: base/output.cc: base/output.hh: base/pollevent.cc: base/pollevent.hh: base/predictor.hh: base/random.cc: base/random.hh: base/range.cc: base/range.hh: base/refcnt.hh: base/remote_gdb.cc: base/remote_gdb.hh: base/res_list.hh: base/sat_counter.cc: base/sat_counter.hh: base/sched_list.hh: base/socket.cc: base/socket.hh: base/statistics.cc: base/statistics.hh: base/compression/lzss_compression.cc: base/compression/lzss_compression.hh: base/compression/null_compression.hh: base/loader/aout_object.cc: base/loader/aout_object.hh: base/loader/ecoff_object.cc: base/loader/ecoff_object.hh: base/loader/elf_object.cc: base/loader/elf_object.hh: base/loader/object_file.cc: base/loader/object_file.hh: base/loader/symtab.cc: base/loader/symtab.hh: base/stats/events.cc: base/stats/events.hh: base/stats/flags.hh: base/stats/mysql.cc: base/stats/mysql.hh: base/stats/mysql_run.hh: base/stats/output.hh: base/stats/statdb.cc: base/stats/statdb.hh: base/stats/text.cc: base/stats/text.hh: base/stats/types.hh: base/stats/visit.cc: base/stats/visit.hh: base/str.cc: base/str.hh: base/time.cc: base/time.hh: base/timebuf.hh: base/trace.cc: base/trace.hh: base/userinfo.cc: base/userinfo.hh: build/SConstruct: cpu/base.cc: cpu/base.hh: cpu/base_dyn_inst.cc: cpu/base_dyn_inst.hh: cpu/exec_context.cc: cpu/exec_context.hh: cpu/exetrace.cc: cpu/exetrace.hh: cpu/inst_seq.hh: cpu/intr_control.cc: cpu/intr_control.hh: cpu/memtest/memtest.cc: cpu/pc_event.cc: cpu/pc_event.hh: cpu/smt.hh: cpu/static_inst.cc: cpu/static_inst.hh: cpu/memtest/memtest.hh: cpu/o3/sat_counter.cc: cpu/o3/sat_counter.hh: cpu/ozone/cpu.hh: cpu/simple/cpu.cc: cpu/simple/cpu.hh: cpu/trace/opt_cpu.cc: cpu/trace/opt_cpu.hh: cpu/trace/reader/ibm_reader.cc: cpu/trace/reader/ibm_reader.hh: cpu/trace/reader/itx_reader.cc: cpu/trace/reader/itx_reader.hh: cpu/trace/reader/m5_reader.cc: cpu/trace/reader/m5_reader.hh: cpu/trace/reader/mem_trace_reader.cc: cpu/trace/reader/mem_trace_reader.hh: cpu/trace/trace_cpu.cc: cpu/trace/trace_cpu.hh: dev/alpha_access.h: dev/alpha_console.cc: dev/alpha_console.hh: dev/baddev.cc: dev/baddev.hh: dev/disk_image.cc: dev/disk_image.hh: dev/etherbus.cc: dev/etherbus.hh: dev/etherdump.cc: dev/etherdump.hh: dev/etherint.cc: dev/etherint.hh: dev/etherlink.cc: dev/etherlink.hh: dev/etherpkt.cc: dev/etherpkt.hh: dev/ethertap.cc: dev/ethertap.hh: dev/ide_ctrl.cc: dev/ide_ctrl.hh: dev/ide_disk.cc: dev/ide_disk.hh: dev/io_device.cc: dev/io_device.hh: dev/ns_gige.cc: dev/ns_gige.hh: dev/ns_gige_reg.h: dev/pciconfigall.cc: dev/pciconfigall.hh: dev/pcidev.cc: dev/pcidev.hh: dev/pcireg.h: dev/pktfifo.cc: dev/pktfifo.hh: dev/platform.cc: dev/platform.hh: dev/simconsole.cc: dev/simconsole.hh: dev/simple_disk.cc: dev/simple_disk.hh: dev/sinic.cc: dev/sinic.hh: dev/sinicreg.hh: dev/tsunami.cc: dev/tsunami.hh: dev/tsunami_cchip.cc: dev/tsunami_cchip.hh: dev/tsunami_io.cc: dev/tsunami_io.hh: dev/tsunami_pchip.cc: dev/tsunami_pchip.hh: dev/tsunamireg.h: dev/uart.cc: dev/uart.hh: dev/uart8250.cc: dev/uart8250.hh: docs/stl.hh: encumbered/cpu/full/op_class.hh: kern/kernel_stats.cc: kern/kernel_stats.hh: kern/linux/linux.hh: kern/linux/linux_syscalls.cc: kern/linux/linux_syscalls.hh: kern/linux/linux_system.cc: kern/linux/linux_system.hh: kern/linux/linux_threadinfo.hh: kern/linux/printk.cc: kern/linux/printk.hh: kern/system_events.cc: kern/system_events.hh: kern/tru64/dump_mbuf.cc: kern/tru64/dump_mbuf.hh: kern/tru64/mbuf.hh: kern/tru64/printf.cc: kern/tru64/printf.hh: kern/tru64/tru64.hh: kern/tru64/tru64_events.cc: kern/tru64/tru64_events.hh: kern/tru64/tru64_syscalls.cc: kern/tru64/tru64_syscalls.hh: kern/tru64/tru64_system.cc: kern/tru64/tru64_system.hh: python/SConscript: python/m5/__init__.py: python/m5/config.py: python/m5/convert.py: python/m5/multidict.py: python/m5/smartdict.py: sim/async.hh: sim/builder.cc: sim/builder.hh: sim/debug.cc: sim/debug.hh: sim/eventq.cc: sim/eventq.hh: sim/host.hh: sim/main.cc: sim/param.cc: sim/param.hh: sim/process.cc: sim/process.hh: sim/root.cc: sim/serialize.cc: sim/serialize.hh: sim/sim_events.cc: sim/sim_events.hh: sim/sim_exit.hh: sim/sim_object.cc: sim/sim_object.hh: sim/startup.cc: sim/startup.hh: sim/stat_control.cc: sim/stat_control.hh: sim/stats.hh: sim/syscall_emul.cc: sim/syscall_emul.hh: sim/system.cc: sim/system.hh: test/bitvectest.cc: test/circletest.cc: test/cprintftest.cc: test/genini.py: test/initest.cc: test/lru_test.cc: test/nmtest.cc: test/offtest.cc: test/paramtest.cc: test/rangetest.cc: test/sized_test.cc: test/stattest.cc: test/strnumtest.cc: test/symtest.cc: test/tokentest.cc: test/tracetest.cc: util/ccdrv/devtime.c: util/m5/m5.c: util/oprofile-top.py: util/rundiff: util/m5/m5op.h: util/m5/m5op.s: util/stats/db.py: util/stats/dbinit.py: util/stats/display.py: util/stats/info.py: util/stats/print.py: util/stats/stats.py: util/tap/tap.cc: Update copyright dates and author list --HG-- extra : convert_revision : 0faba08fc0fc0146f1efb7f61e4b043c020ff9e4
2005-06-05 11:16:00 +02:00
* 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
* Emulation of the Tsunami CChip CSRs
*/
#include <deque>
#include <string>
#include <vector>
#include "arch/alpha/ev5.hh"
#include "base/trace.hh"
#include "dev/tsunami_cchip.hh"
#include "dev/tsunamireg.h"
#include "dev/tsunami.hh"
#include "mem/port.hh"
#include "cpu/exec_context.hh"
#include "cpu/intr_control.hh"
#include "sim/builder.hh"
#include "sim/system.hh"
using namespace std;
Changes to untemplate StaticInst and StaticInstPtr, change the isa to a namespace instead of a class, an improvement to the architecture specific header file selection system, and fixed up a few include paths. arch/alpha/alpha_linux_process.cc: Added using directive for AlphaISA namespace arch/alpha/alpha_memory.hh: arch/alpha/isa/branch.isa: cpu/pc_event.hh: Added typedefs for Addr arch/alpha/alpha_tru64_process.cc: arch/alpha/arguments.cc: Added using directive for AlphaISA arch/alpha/ev5.hh: Added an include of arch/alpha/isa_traits.hh, and a using directive for the AlphaISA namespace. arch/alpha/faults.hh: Added a typedef for the Addr type, and changed the formatting of the faults slightly. arch/alpha/isa/main.isa: Untemplatized StaticInst, added a using for namespace AlphaISA to show up in decoder.cc and the exec.ccs, relocated makeNop to decoder.hh arch/alpha/isa/mem.isa: Untemplatized StaticInst and StaticInstPtr arch/alpha/isa/pal.isa: cpu/base_dyn_inst.cc: Untemplatized StaticInstPtr arch/alpha/isa_traits.hh: Changed variables to be externs instead of static since they are part of a namespace and not a class. arch/alpha/stacktrace.cc: Untemplatized StaticInstPtr, and added a using directive for AlphaISA. arch/alpha/stacktrace.hh: Added some typedefs for Addr and MachInst, and untemplatized StaticInstPtr arch/alpha/vtophys.cc: Added a using directive for AlphaISA arch/alpha/vtophys.hh: Added the AlphaISA namespace specifier where needed arch/isa_parser.py: Changed the placement of the definition of the decodeInst function to be outside the namespaceInst namespace. base/loader/object_file.hh: cpu/o3/bpred_unit.hh: Added a typedef for Addr base/loader/symtab.hh: Added a typedef for Addr, and added a TheISA to Addr in another typedef base/remote_gdb.cc: Added a using namespace TheISA, and untemplatized StaticInstPtr base/remote_gdb.hh: Added typedefs for Addr and MachInst cpu/base.cc: Added TheISA specifier to some variables exported from the isa. cpu/base.hh: Added a typedef for Addr, and TheISA to some variables from the ISA cpu/base_dyn_inst.hh: Untemplatized StaticInstPtr, and added TheISA specifier to some variables from the ISA. cpu/exec_context.hh: Added some typedefs for types from the isa, and added TheISA specifier to some variables from the isa cpu/exetrace.hh: Added typedefs for some types from the ISA, and untemplatized StaticInstPtr cpu/memtest/memtest.cc: cpu/o3/btb.cc: dev/baddev.cc: dev/ide_ctrl.cc: dev/ide_disk.cc: dev/isa_fake.cc: dev/ns_gige.cc: dev/pciconfigall.cc: dev/platform.cc: dev/sinic.cc: dev/uart8250.cc: kern/freebsd/freebsd_system.cc: kern/linux/linux_system.cc: kern/system_events.cc: kern/tru64/dump_mbuf.cc: kern/tru64/tru64_events.cc: sim/process.cc: sim/pseudo_inst.cc: sim/system.cc: Added using namespace TheISA cpu/memtest/memtest.hh: cpu/trace/opt_cpu.hh: cpu/trace/reader/itx_reader.hh: dev/ide_disk.hh: dev/pcidev.hh: dev/platform.hh: dev/tsunami.hh: sim/system.hh: sim/vptr.hh: Added typedef for Addr cpu/o3/2bit_local_pred.hh: Changed the include to use arch/isa_traits.hh instead of arch/alpha/isa_traits.hh. Added typedef for Addr cpu/o3/alpha_cpu.hh: Added typedefs for Addr and IntReg cpu/o3/alpha_cpu_impl.hh: Added this-> to setNextPC to fix a problem since it didn't depend on template parameters any more. Removed "typename" where it was no longer needed. cpu/o3/alpha_dyn_inst.hh: Cleaned up some typedefs, and untemplatized StaticInst cpu/o3/alpha_dyn_inst_impl.hh: untemplatized StaticInstPtr cpu/o3/alpha_impl.hh: Fixed up a typedef of MachInst cpu/o3/bpred_unit_impl.hh: Added a using TheISA::MachInst to a function cpu/o3/btb.hh: Changed an include from arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef for Addr cpu/o3/commit.hh: Removed a typedef of Impl::ISA as ISA, since TheISA takes care of this now. cpu/o3/cpu.cc: Cleaned up namespace issues cpu/o3/cpu.hh: Cleaned up namespace usage cpu/o3/decode.hh: Removed typedef of ISA, and changed it to TheISA cpu/o3/fetch.hh: Fized up typedefs, and changed ISA to TheISA cpu/o3/free_list.hh: Changed include of arch/alpha/isa_traits.hh to arch/isa_traits.hh cpu/o3/iew.hh: Removed typedef of ISA cpu/o3/iew_impl.hh: Added TheISA namespace specifier to MachInst cpu/o3/ras.hh: Changed include from arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef for Addr. cpu/o3/regfile.hh: Changed ISA to TheISA, and added some typedefs for Addr, IntReg, FloatReg, and MiscRegFile cpu/o3/rename.hh: Changed ISA to TheISA, and added a typedef for RegIndex cpu/o3/rename_map.hh: Added an include for arch/isa_traits.hh, and a typedef for RegIndex cpu/o3/rob.hh: Added a typedef for RegIndex cpu/o3/store_set.hh: cpu/o3/tournament_pred.hh: Changed an include of arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef of Addr cpu/ozone/cpu.hh: Changed ISA into TheISA, and untemplatized StaticInst cpu/pc_event.cc: Added namespace specifier TheISA to Addr types cpu/profile.hh: kern/kernel_stats.hh: Added typedef for Addr, and untemplatized StaticInstPtr cpu/simple/cpu.cc: Changed using directive from LittleEndianGuest to AlphaISA, which will contain both namespaces. Added TheISA where needed, and untemplatized StaticInst cpu/simple/cpu.hh: Added a typedef for MachInst, and untemplatized StaticInst cpu/static_inst.cc: Untemplatized StaticInst cpu/static_inst.hh: Untemplatized StaticInst by using the TheISA namespace dev/alpha_console.cc: Added using namespace AlphaISA dev/simple_disk.hh: Added typedef for Addr and fixed up some formatting dev/sinicreg.hh: Added TheISA namespace specifier where needed dev/tsunami.cc: dev/tsunami_io.cc: dev/tsunami_pchip.cc: Added using namespace TheISA. It might be better for it to be AlphaISA dev/tsunami_cchip.cc: Added typedef for TheISA. It might be better for it to be AlphaISA kern/linux/aligned.hh: sim/pseudo_inst.hh: Added TheISA namespace specifier to Addr kern/linux/linux_threadinfo.hh: Added typedef for Addr, and TheISA namespace specifier to StackPointerReg kern/tru64/mbuf.hh: Added TheISA to Addr type in structs sim/process.hh: Added typedefs of Addr, RegFile, and MachInst sim/syscall_emul.cc: Added using namespace TheISA, and a cast of VMPageSize to the int type sim/syscall_emul.hh: Added typecast for Addr, and TheISA namespace specifier for where needed --HG-- extra : convert_revision : 91d4f6ca33a73b21c1f1771d74bfdea3b80eff45
2006-02-19 08:34:37 +01:00
//Should this be AlphaISA?
using namespace TheISA;
TsunamiCChip::TsunamiCChip(Params *p)
: BasicPioDevice(p), tsunami(p->tsunami)
{
pioSize = 0xfffffff;
drir = 0;
ipint = 0;
itint = 0;
for (int x = 0; x < Tsunami::Max_CPUs; x++)
{
dim[x] = 0;
dir[x] = 0;
}
//Put back pointer in tsunami
tsunami->cchip = this;
}
Tick
TsunamiCChip::read(Packet &pkt)
{
DPRINTF(Tsunami, "read va=%#x size=%d\n", pkt.addr, pkt.size);
assert(pkt.result == Unknown);
assert(pkt.addr >= pioAddr && pkt.addr < pioAddr + pioSize);
pkt.time = curTick + pioDelay;
Addr regnum = (pkt.addr - pioAddr) >> 6;
Addr daddr = (pkt.addr - pioAddr);
uint64_t *data64;
switch (pkt.size) {
case sizeof(uint64_t):
if (!pkt.data) {
data64 = new uint64_t;
pkt.data = (uint8_t*)data64;
} else
data64 = (uint64_t*)pkt.data;
if (daddr & TSDEV_CC_BDIMS)
{
*data64 = dim[(daddr >> 4) & 0x3F];
break;
}
if (daddr & TSDEV_CC_BDIRS)
{
*data64 = dir[(daddr >> 4) & 0x3F];
break;
}
switch(regnum) {
case TSDEV_CC_CSR:
*data64 = 0x0;
break;
case TSDEV_CC_MTR:
panic("TSDEV_CC_MTR not implemeted\n");
break;
case TSDEV_CC_MISC:
*data64 = (ipint << 8) & 0xF | (itint << 4) & 0xF |
(pkt.req->getCpuNum() & 0x3);
break;
case TSDEV_CC_AAR0:
case TSDEV_CC_AAR1:
case TSDEV_CC_AAR2:
case TSDEV_CC_AAR3:
*data64 = 0;
break;
case TSDEV_CC_DIM0:
*data64 = dim[0];
break;
case TSDEV_CC_DIM1:
*data64 = dim[1];
break;
case TSDEV_CC_DIM2:
*data64 = dim[2];
break;
case TSDEV_CC_DIM3:
*data64 = dim[3];
break;
case TSDEV_CC_DIR0:
*data64 = dir[0];
break;
case TSDEV_CC_DIR1:
*data64 = dir[1];
break;
case TSDEV_CC_DIR2:
*data64 = dir[2];
break;
case TSDEV_CC_DIR3:
*data64 = dir[3];
break;
case TSDEV_CC_DRIR:
*data64 = drir;
break;
case TSDEV_CC_PRBEN:
panic("TSDEV_CC_PRBEN not implemented\n");
break;
case TSDEV_CC_IIC0:
case TSDEV_CC_IIC1:
case TSDEV_CC_IIC2:
case TSDEV_CC_IIC3:
panic("TSDEV_CC_IICx not implemented\n");
break;
case TSDEV_CC_MPR0:
case TSDEV_CC_MPR1:
case TSDEV_CC_MPR2:
case TSDEV_CC_MPR3:
panic("TSDEV_CC_MPRx not implemented\n");
break;
case TSDEV_CC_IPIR:
*data64 = ipint;
break;
case TSDEV_CC_ITIR:
*data64 = itint;
break;
default:
panic("default in cchip read reached, accessing 0x%x\n");
} // uint64_t
break;
case sizeof(uint32_t):
case sizeof(uint16_t):
case sizeof(uint8_t):
default:
panic("invalid access size(?) for tsunami register!\n");
}
DPRINTF(Tsunami, "Tsunami CChip: read regnum=%#x size=%d data=%lld\n",
regnum, pkt.size, *data64);
pkt.result = Success;
return pioDelay;
}
Tick
TsunamiCChip::write(Packet &pkt)
{
pkt.time = curTick + pioDelay;
assert(pkt.addr >= pioAddr && pkt.addr < pioAddr + pioSize);
Addr daddr = pkt.addr - pioAddr;
Addr regnum = (pkt.addr - pioAddr) >> 6 ;
uint64_t val = *(uint64_t *)pkt.data;
assert(pkt.size == sizeof(uint64_t));
DPRINTF(Tsunami, "write - addr=%#x value=%#x\n", pkt.addr, val);
bool supportedWrite = false;
if (daddr & TSDEV_CC_BDIMS)
{
int number = (daddr >> 4) & 0x3F;
uint64_t bitvector;
uint64_t olddim;
uint64_t olddir;
olddim = dim[number];
olddir = dir[number];
dim[number] = val;
dir[number] = dim[number] & drir;
for(int x = 0; x < Tsunami::Max_CPUs; x++)
{
bitvector = ULL(1) << x;
// Figure out which bits have changed
if ((dim[number] & bitvector) != (olddim & bitvector))
{
// The bit is now set and it wasn't before (set)
if((dim[number] & bitvector) && (dir[number] & bitvector))
{
tsunami->intrctrl->post(number, TheISA::INTLEVEL_IRQ1, x);
DPRINTF(Tsunami, "dim write resulting in posting dir"
" interrupt to cpu %d\n", number);
}
else if ((olddir & bitvector) &&
!(dir[number] & bitvector))
{
// The bit was set and now its now clear and
// we were interrupting on that bit before
tsunami->intrctrl->clear(number, TheISA::INTLEVEL_IRQ1, x);
DPRINTF(Tsunami, "dim write resulting in clear"
" dir interrupt to cpu %d\n", number);
}
}
}
} else {
switch(regnum) {
case TSDEV_CC_CSR:
panic("TSDEV_CC_CSR write\n");
case TSDEV_CC_MTR:
panic("TSDEV_CC_MTR write not implemented\n");
case TSDEV_CC_MISC:
uint64_t ipreq;
ipreq = (val >> 12) & 0xF;
//If it is bit 12-15, this is an IPI post
if (ipreq) {
reqIPI(ipreq);
supportedWrite = true;
}
//If it is bit 8-11, this is an IPI clear
uint64_t ipintr;
ipintr = (val >> 8) & 0xF;
if (ipintr) {
clearIPI(ipintr);
supportedWrite = true;
}
//If it is the 4-7th bit, clear the RTC interrupt
uint64_t itintr;
itintr = (val >> 4) & 0xF;
if (itintr) {
clearITI(itintr);
supportedWrite = true;
}
// ignore NXMs
if (val & 0x10000000)
supportedWrite = true;
if(!supportedWrite)
panic("TSDEV_CC_MISC write not implemented\n");
break;
case TSDEV_CC_AAR0:
case TSDEV_CC_AAR1:
case TSDEV_CC_AAR2:
case TSDEV_CC_AAR3:
panic("TSDEV_CC_AARx write not implemeted\n");
case TSDEV_CC_DIM0:
case TSDEV_CC_DIM1:
case TSDEV_CC_DIM2:
case TSDEV_CC_DIM3:
int number;
if(regnum == TSDEV_CC_DIM0)
number = 0;
else if(regnum == TSDEV_CC_DIM1)
number = 1;
else if(regnum == TSDEV_CC_DIM2)
number = 2;
else
number = 3;
uint64_t bitvector;
uint64_t olddim;
uint64_t olddir;
olddim = dim[number];
olddir = dir[number];
dim[number] = val;
dir[number] = dim[number] & drir;
for(int x = 0; x < 64; x++)
{
bitvector = ULL(1) << x;
// Figure out which bits have changed
if ((dim[number] & bitvector) != (olddim & bitvector))
{
// The bit is now set and it wasn't before (set)
if((dim[number] & bitvector) && (dir[number] & bitvector))
{
tsunami->intrctrl->post(number, TheISA::INTLEVEL_IRQ1, x);
DPRINTF(Tsunami, "posting dir interrupt to cpu 0\n");
}
else if ((olddir & bitvector) &&
!(dir[number] & bitvector))
{
// The bit was set and now its now clear and
// we were interrupting on that bit before
tsunami->intrctrl->clear(number, TheISA::INTLEVEL_IRQ1, x);
DPRINTF(Tsunami, "dim write resulting in clear"
" dir interrupt to cpu %d\n",
x);
}
}
}
break;
case TSDEV_CC_DIR0:
case TSDEV_CC_DIR1:
case TSDEV_CC_DIR2:
case TSDEV_CC_DIR3:
panic("TSDEV_CC_DIR write not implemented\n");
case TSDEV_CC_DRIR:
panic("TSDEV_CC_DRIR write not implemented\n");
case TSDEV_CC_PRBEN:
panic("TSDEV_CC_PRBEN write not implemented\n");
case TSDEV_CC_IIC0:
case TSDEV_CC_IIC1:
case TSDEV_CC_IIC2:
case TSDEV_CC_IIC3:
panic("TSDEV_CC_IICx write not implemented\n");
case TSDEV_CC_MPR0:
case TSDEV_CC_MPR1:
case TSDEV_CC_MPR2:
case TSDEV_CC_MPR3:
panic("TSDEV_CC_MPRx write not implemented\n");
case TSDEV_CC_IPIR:
clearIPI(val);
break;
case TSDEV_CC_ITIR:
clearITI(val);
break;
case TSDEV_CC_IPIQ:
reqIPI(val);
break;
default:
panic("default in cchip read reached, accessing 0x%x\n");
} // swtich(regnum)
} // not BIG_TSUNAMI write
pkt.result = Success;
return pioDelay;
}
void
TsunamiCChip::clearIPI(uint64_t ipintr)
{
int numcpus = tsunami->intrctrl->cpu->system->execContexts.size();
assert(numcpus <= Tsunami::Max_CPUs);
if (ipintr) {
for (int cpunum=0; cpunum < numcpus; cpunum++) {
// Check each cpu bit
uint64_t cpumask = ULL(1) << cpunum;
if (ipintr & cpumask) {
// Check if there is a pending ipi
if (ipint & cpumask) {
ipint &= ~cpumask;
tsunami->intrctrl->clear(cpunum, TheISA::INTLEVEL_IRQ3, 0);
DPRINTF(IPI, "clear IPI IPI cpu=%d\n", cpunum);
}
else
warn("clear IPI for CPU=%d, but NO IPI\n", cpunum);
}
}
}
else
panic("Big IPI Clear, but not processors indicated\n");
}
void
TsunamiCChip::clearITI(uint64_t itintr)
{
int numcpus = tsunami->intrctrl->cpu->system->execContexts.size();
assert(numcpus <= Tsunami::Max_CPUs);
if (itintr) {
for (int i=0; i < numcpus; i++) {
uint64_t cpumask = ULL(1) << i;
if (itintr & cpumask & itint) {
tsunami->intrctrl->clear(i, TheISA::INTLEVEL_IRQ2, 0);
itint &= ~cpumask;
DPRINTF(Tsunami, "clearing rtc interrupt to cpu=%d\n", i);
}
}
}
else
panic("Big ITI Clear, but not processors indicated\n");
}
void
TsunamiCChip::reqIPI(uint64_t ipreq)
{
int numcpus = tsunami->intrctrl->cpu->system->execContexts.size();
assert(numcpus <= Tsunami::Max_CPUs);
if (ipreq) {
for (int cpunum=0; cpunum < numcpus; cpunum++) {
// Check each cpu bit
uint64_t cpumask = ULL(1) << cpunum;
if (ipreq & cpumask) {
// Check if there is already an ipi (bits 8:11)
if (!(ipint & cpumask)) {
ipint |= cpumask;
tsunami->intrctrl->post(cpunum, TheISA::INTLEVEL_IRQ3, 0);
DPRINTF(IPI, "send IPI cpu=%d\n", cpunum);
}
else
warn("post IPI for CPU=%d, but IPI already\n", cpunum);
}
}
}
else
panic("Big IPI Request, but not processors indicated\n");
}
void
TsunamiCChip::postRTC()
{
int size = tsunami->intrctrl->cpu->system->execContexts.size();
assert(size <= Tsunami::Max_CPUs);
for (int i = 0; i < size; i++) {
uint64_t cpumask = ULL(1) << i;
if (!(cpumask & itint)) {
itint |= cpumask;
tsunami->intrctrl->post(i, TheISA::INTLEVEL_IRQ2, 0);
DPRINTF(Tsunami, "Posting RTC interrupt to cpu=%d", i);
}
}
}
void
TsunamiCChip::postDRIR(uint32_t interrupt)
{
uint64_t bitvector = ULL(1) << interrupt;
uint64_t size = tsunami->intrctrl->cpu->system->execContexts.size();
assert(size <= Tsunami::Max_CPUs);
drir |= bitvector;
for(int i=0; i < size; i++) {
dir[i] = dim[i] & drir;
if (dim[i] & bitvector) {
tsunami->intrctrl->post(i, TheISA::INTLEVEL_IRQ1, interrupt);
DPRINTF(Tsunami, "posting dir interrupt to cpu %d,"
"interrupt %d\n",i, interrupt);
}
}
}
void
TsunamiCChip::clearDRIR(uint32_t interrupt)
{
uint64_t bitvector = ULL(1) << interrupt;
uint64_t size = tsunami->intrctrl->cpu->system->execContexts.size();
assert(size <= Tsunami::Max_CPUs);
if (drir & bitvector)
{
drir &= ~bitvector;
for(int i=0; i < size; i++) {
if (dir[i] & bitvector) {
tsunami->intrctrl->clear(i, TheISA::INTLEVEL_IRQ1, interrupt);
DPRINTF(Tsunami, "clearing dir interrupt to cpu %d,"
"interrupt %d\n",i, interrupt);
}
dir[i] = dim[i] & drir;
}
}
else
DPRINTF(Tsunami, "Spurrious clear? interrupt %d\n", interrupt);
}
void
TsunamiCChip::serialize(std::ostream &os)
{
SERIALIZE_ARRAY(dim, Tsunami::Max_CPUs);
SERIALIZE_ARRAY(dir, Tsunami::Max_CPUs);
SERIALIZE_SCALAR(ipint);
SERIALIZE_SCALAR(itint);
SERIALIZE_SCALAR(drir);
}
void
TsunamiCChip::unserialize(Checkpoint *cp, const std::string &section)
{
UNSERIALIZE_ARRAY(dim, Tsunami::Max_CPUs);
UNSERIALIZE_ARRAY(dir, Tsunami::Max_CPUs);
UNSERIALIZE_SCALAR(ipint);
UNSERIALIZE_SCALAR(itint);
UNSERIALIZE_SCALAR(drir);
}
BEGIN_DECLARE_SIM_OBJECT_PARAMS(TsunamiCChip)
Param<Addr> pio_addr;
Param<Tick> pio_latency;
SimObjectParam<Platform *> platform;
SimObjectParam<System *> system;
SimObjectParam<Tsunami *> tsunami;
END_DECLARE_SIM_OBJECT_PARAMS(TsunamiCChip)
BEGIN_INIT_SIM_OBJECT_PARAMS(TsunamiCChip)
INIT_PARAM(pio_addr, "Device Address"),
INIT_PARAM(pio_latency, "Programmed IO latency"),
INIT_PARAM(platform, "platform"),
INIT_PARAM(system, "system object"),
INIT_PARAM(tsunami, "Tsunami")
END_INIT_SIM_OBJECT_PARAMS(TsunamiCChip)
CREATE_SIM_OBJECT(TsunamiCChip)
{
TsunamiCChip::Params *p = new TsunamiCChip::Params;
p->name = getInstanceName();
p->pio_addr = pio_addr;
p->pio_delay = pio_latency;
p->platform = platform;
p->system = system;
p->tsunami = tsunami;
return new TsunamiCChip(p);
}
REGISTER_SIM_OBJECT("TsunamiCChip", TsunamiCChip)