1 files changed, 0 insertions, 351 deletions
diff --git a/riscv/sim.cc b/riscv/sim.cc
deleted file mode 100644
index 9b2677c..0000000
--- a/riscv/sim.cc
+++ /dev/null
@@ -1,351 +0,0 @@
-#include "sim.h"
-#include "applink.h"
-#include "common.h"
-#include <sys/mman.h>
-#include <map>
-#include <iostream>
-#include <climits>
-#include <assert.h>
-
-sim_t::sim_t(int _nprocs, appserver_link_t* _applink, icsim_t* default_icache, icsim_t* default_dcache)
-  : applink(_applink),
-    procs(_nprocs)
-{
-  size_t memsz0 = sizeof(size_t) == 8 ? 0x100000000ULL : 0x70000000UL;
-  size_t quantum = std::max(PGSIZE, (reg_t)sysconf(_SC_PAGESIZE));
-  memsz0 = memsz0/quantum*quantum;
-
-  memsz = memsz0;
-  mem = (char*)mmap64(NULL, memsz, PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0);
-
-  if(mem == MAP_FAILED)
-  {
-    while(mem == MAP_FAILED && (memsz = memsz*10/11/quantum*quantum))
-      mem = (char*)mmap64(NULL, memsz, PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0);
-    assert(mem != MAP_FAILED);
-    fprintf(stderr, "warning: only got %lu bytes of target mem (wanted %lu)\n",
-            (unsigned long)memsz, (unsigned long)memsz0);
-  }
-
-  mmu = new mmu_t(mem, memsz);
-
-  for(size_t i = 0; i < num_cores(); i++)
-  {
-    procs[i] = new processor_t(this, new mmu_t(mem, memsz));
-    procs[i]->init(i, default_icache, default_dcache);
-  }
-
-  applink->init(this);
-}
-
-sim_t::~sim_t()
-{
-  for(size_t i = 0; i < num_cores(); i++)
-  {
-    mmu_t* pmmu = &procs[i]->mmu;
-    delete procs[i];
-    delete pmmu;
-  }
-  delete mmu;
-  munmap(mem, memsz);
-}
-
-void sim_t::set_tohost(reg_t val)
-{
-  fromhost = 0;
-  tohost = val;
-  applink->wait_for_tohost();
-}
-
-reg_t sim_t::get_fromhost()
-{
-  applink->wait_for_fromhost();
-  return fromhost;
-}
-
-void sim_t::send_ipi(reg_t who)
-{
-  if(who < num_cores())
-    procs[who]->deliver_ipi();
-}
-
-void sim_t::run(bool debug)
-{
-  applink->wait_for_start();
-
-  // start core 0
-  send_ipi(0);
-
-  while(1)
-  {
-    if(!debug)
-      step_all(100,100,false);
-    else
-    {
-      putchar(':');
-      char s[128];
-      std::cin.getline(s,sizeof(s)-1);
-
-      char* p = strtok(s," ");
-      if(!p)
-      {
-        interactive_run_noisy(std::string("r"), std::vector<std::string>(1,"1"));
-        continue;
-      }
-      std::string cmd = p;
-
-      std::vector<std::string> args;
-      while((p = strtok(NULL," ")))
-        args.push_back(p);
-
-
-      typedef void (sim_t::*interactive_func)(const std::string&, const std::vector<std::string>&);
-      std::map<std::string,interactive_func> funcs;
-
-      funcs["r"] = &sim_t::interactive_run_noisy;
-      funcs["rs"] = &sim_t::interactive_run_silent;
-      funcs["rp"] = &sim_t::interactive_run_proc_noisy;
-      funcs["rps"] = &sim_t::interactive_run_proc_silent;
-      funcs["reg"] = &sim_t::interactive_reg;
-      funcs["fregs"] = &sim_t::interactive_fregs;
-      funcs["fregd"] = &sim_t::interactive_fregd;
-      funcs["mem"] = &sim_t::interactive_mem;
-      funcs["str"] = &sim_t::interactive_str;
-      funcs["until"] = &sim_t::interactive_until;
-      funcs["while"] = &sim_t::interactive_until;
-      funcs["q"] = &sim_t::interactive_quit;
-
-      try
-      {
-        if(funcs.count(cmd))
-          (this->*funcs[cmd])(cmd, args);
-      }
-      catch(trap_t t) {}
-    }
-  }
-}
-
-void sim_t::step_all(size_t n, size_t interleave, bool noisy)
-{
-  for(size_t j = 0; j < n; j+=interleave)
-    for(int i = 0; i < (int)num_cores(); i++)
-      procs[i]->step(interleave,noisy);
-}
-
-void sim_t::interactive_run_noisy(const std::string& cmd, const std::vector<std::string>& args)
-{
-  interactive_run(cmd,args,true);
-}
-
-void sim_t::interactive_run_silent(const std::string& cmd, const std::vector<std::string>& args)
-{
-  interactive_run(cmd,args,false);
-}
-
-void sim_t::interactive_run(const std::string& cmd, const std::vector<std::string>& args, bool noisy)
-{
-  if(args.size())
-    step_all(atoll(args[0].c_str()),1,noisy);
-  else
-    while(1) step_all(1,1,noisy);
-}
-
-void sim_t::interactive_run_proc_noisy(const std::string& cmd, const std::vector<std::string>& args)
-{
-  interactive_run_proc(cmd,args,true);
-}
-
-void sim_t::interactive_run_proc_silent(const std::string& cmd, const std::vector<std::string>& args)
-{
-  interactive_run_proc(cmd,args,false);
-}
-
-void sim_t::interactive_run_proc(const std::string& cmd, const std::vector<std::string>& a, bool noisy)
-{
-  if(a.size() == 0)
-    return;
-
-  int p = atoi(a[0].c_str());
-  if(p >= (int)num_cores())
-    return;
-
-  if(a.size() == 2)
-    procs[p]->step(atoi(a[1].c_str()),noisy);
-  else
-    while(1) procs[p]->step(1,noisy);
-}
-
-void sim_t::interactive_quit(const std::string& cmd, const std::vector<std::string>& args)
-{
-  throw quit_sim();
-}
-
-reg_t sim_t::get_pc(const std::vector<std::string>& args)
-{
-  if(args.size() != 1)
-    throw trap_illegal_instruction;
-
-  int p = atoi(args[0].c_str());
-  if(p >= (int)num_cores())
-    throw trap_illegal_instruction;
-
-  return procs[p]->pc;
-}
-
-reg_t sim_t::get_reg(const std::vector<std::string>& args)
-{
-  if(args.size() != 2)
-    throw trap_illegal_instruction;
-
-  int p = atoi(args[0].c_str());
-  int r = atoi(args[1].c_str());
-  if(p >= (int)num_cores() || r >= NXPR)
-    throw trap_illegal_instruction;
-
-  return procs[p]->XPR[r];
-}
-
-reg_t sim_t::get_freg(const std::vector<std::string>& args)
-{
-  if(args.size() != 2)
-    throw trap_illegal_instruction;
-
-  int p = atoi(args[0].c_str());
-  int r = atoi(args[1].c_str());
-  if(p >= (int)num_cores() || r >= NFPR)
-    throw trap_illegal_instruction;
-
-  return procs[p]->FPR[r];
-}
-
-reg_t sim_t::get_tohost(const std::vector<std::string>& args)
-{
-  if(args.size() != 1)
-    throw trap_illegal_instruction;
-
-  int p = atoi(args[0].c_str());
-  if(p >= (int)num_cores())
-    throw trap_illegal_instruction;
-
-  return procs[p]->tohost;
-}
-
-void sim_t::interactive_reg(const std::string& cmd, const std::vector<std::string>& args)
-{
-  printf("0x%016llx\n",(unsigned long long)get_reg(args));
-}
-
-union fpr
-{
-  reg_t r;
-  float s;
-  double d;
-};
-
-void sim_t::interactive_fregs(const std::string& cmd, const std::vector<std::string>& args)
-{
-  fpr f;
-  f.r = get_freg(args);
-  printf("%g\n",f.s);
-}
-
-void sim_t::interactive_fregd(const std::string& cmd, const std::vector<std::string>& args)
-{
-  fpr f;
-  f.r = get_freg(args);
-  printf("%g\n",f.d);
-}
-
-reg_t sim_t::get_mem(const std::vector<std::string>& args)
-{
-  if(args.size() != 1 && args.size() != 2)
-    throw trap_illegal_instruction;
-
-  std::string addr_str = args[0];
-  if(args.size() == 2)
-  {
-    int p = atoi(args[0].c_str());
-    if(p >= (int)num_cores())
-      throw trap_illegal_instruction;
-    mmu->set_vm_enabled(!!(procs[p]->sr & SR_VM));
-    mmu->set_ptbr(procs[p]->mmu.get_ptbr());
-    addr_str = args[1];
-  }
-
-  reg_t addr = strtol(addr_str.c_str(),NULL,16), val;
-  if(addr == LONG_MAX)
-    addr = strtoul(addr_str.c_str(),NULL,16);
-
-  switch(addr % 8)
-  {
-    case 0:
-      val = mmu->load_uint64(addr);
-      break;
-    case 4:
-      val = mmu->load_uint32(addr);
-      break;
-    case 2:
-    case 6:
-      val = mmu->load_uint16(addr);
-      break;
-    default:
-      val = mmu->load_uint8(addr);
-      break;
-  }
-  return val;
-}
-
-void sim_t::interactive_mem(const std::string& cmd, const std::vector<std::string>& args)
-{
-  printf("0x%016llx\n",(unsigned long long)get_mem(args));
-}
-
-void sim_t::interactive_str(const std::string& cmd, const std::vector<std::string>& args)
-{
-  if(args.size() != 1)
-    throw trap_illegal_instruction;
-
-  reg_t addr = strtol(args[0].c_str(),NULL,16);
-
-  char ch;
-  while((ch = mmu->load_uint8(addr++)))
-    putchar(ch);
-
-  putchar('\n');
-}
-
-void sim_t::interactive_until(const std::string& cmd, const std::vector<std::string>& args)
-{
-  if(args.size() < 3)
-    return;
-
-  std::string scmd = args[0];
-  reg_t val = strtol(args[args.size()-1].c_str(),NULL,16);
-  if(val == LONG_MAX)
-    val = strtoul(args[args.size()-1].c_str(),NULL,16);
-  
-  std::vector<std::string> args2;
-  args2 = std::vector<std::string>(args.begin()+1,args.end()-1);
-
-  while(1)
-  {
-    reg_t current;
-    if(scmd == "reg")
-      current = get_reg(args2);
-    else if(scmd == "pc")
-      current = get_pc(args2);
-    else if(scmd == "mem")
-      current = get_mem(args2);
-    else if(scmd == "tohost")
-      current = get_tohost(args2);
-    else
-      return;
-
-    if(cmd == "until" && current == val)
-      break;
-    if(cmd == "while" && current != val)
-      break;
-
-    step_all(1,1,false);
-  }
-}