temporary undoing of renaming

1 files changed, 256 insertions, 0 deletions

diff --git a/riscv/interactive.cc b/riscv/interactive.cc
new file mode 100644
index 0000000..4f7891f
--- /dev/null
+++ b/riscv/interactive.cc
@@ -0,0 +1,256 @@
+#include "sim.h"
+#include "htif.h"
+#include <sys/mman.h>
+#include <map>
+#include <iostream>
+#include <climits>
+#include <assert.h>
+
+void sim_t::interactive()
+{
+  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"));
+    return;
+  }
+  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::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)
+{
+  stop();
+}
+
+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];
+}
+
+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 = tohost;
+    else
+      return;
+
+    if(cmd == "until" && current == val)
+      break;
+    if(cmd == "while" && current != val)
+      break;
+
+    step_all(1,1,false);
+  }
+}