#include "debug/PseudoInst.hh"
#include "debug/Quiesce.hh"
#include "debug/WorkItems.hh"
+#include "dev/net/dist_iface.hh"
#include "params/BaseCPU.hh"
#include "sim/full_system.hh"
+#include "sim/initparam_keys.hh"
#include "sim/process.hh"
#include "sim/pseudo_inst.hh"
#include "sim/serialize.hh"
break;
case 0x30: // initparam_func
- return initParam(tc);
+ return initParam(tc, args[0], args[1]);
case 0x31: // loadsymbol_func
loadsymbol(tc);
m5exit(ThreadContext *tc, Tick delay)
{
DPRINTF(PseudoInst, "PseudoInst::m5exit(%i)\n", delay);
- Tick when = curTick() + delay * SimClock::Int::ns;
- exitSimLoop("m5_exit instruction encountered", 0, when, 0, true);
+ if (DistIface::readyToExit(delay)) {
+ Tick when = curTick() + delay * SimClock::Int::ns;
+ exitSimLoop("m5_exit instruction encountered", 0, when, 0, true);
+ }
}
void
}
uint64_t
-initParam(ThreadContext *tc)
+initParam(ThreadContext *tc, uint64_t key_str1, uint64_t key_str2)
{
- DPRINTF(PseudoInst, "PseudoInst::initParam()\n");
+ DPRINTF(PseudoInst, "PseudoInst::initParam() key:%s%s\n", (char *)&key_str1,
+ (char *)&key_str2);
if (!FullSystem) {
panicFsOnlyPseudoInst("initParam");
return 0;
}
- return tc->getCpuPtr()->system->init_param;
+ // The key parameter string is passed in via two 64-bit registers. We copy
+ // out the characters from the 64-bit integer variables here and concatenate
+ // them in the key_str character buffer
+ const int len = 2 * sizeof(uint64_t) + 1;
+ char key_str[len];
+ memset(key_str, '\0', len);
+ if (key_str1 == 0) {
+ assert(key_str2 == 0);
+ } else {
+ strncpy(key_str, (char *)&key_str1, sizeof(uint64_t));
+ }
+
+ if (strlen(key_str) == sizeof(uint64_t)) {
+ strncpy(key_str + sizeof(uint64_t), (char *)&key_str2,
+ sizeof(uint64_t));
+ } else {
+ assert(key_str2 == 0);
+ }
+
+ // Compare the key parameter with the known values to select the return
+ // value
+ uint64_t val;
+ if (strcmp(key_str, InitParamKey::DEFAULT) == 0) {
+ val = tc->getCpuPtr()->system->init_param;
+ } else if (strcmp(key_str, InitParamKey::DIST_RANK) == 0) {
+ val = DistIface::rankParam();
+ } else if (strcmp(key_str, InitParamKey::DIST_SIZE) == 0) {
+ val = DistIface::sizeParam();
+ } else {
+ panic("Unknown key for initparam pseudo instruction:\"%s\"", key_str);
+ }
+ return val;
}
if (!tc->getCpuPtr()->params()->do_checkpoint_insts)
return;
- Tick when = curTick() + delay * SimClock::Int::ns;
- Tick repeat = period * SimClock::Int::ns;
-
- exitSimLoop("checkpoint", 0, when, repeat);
+ if (DistIface::readyToCkpt(delay, period)) {
+ Tick when = curTick() + delay * SimClock::Int::ns;
+ Tick repeat = period * SimClock::Int::ns;
+ exitSimLoop("checkpoint", 0, when, repeat);
+ }
}
uint64_t