+ Uint32 *usr_sp;
+ int i;
+ char **envp;
+ tVAddr delta;
+
+ Log_Debug("Proc", "Proc_StartUser: (Entrypoint=%p, Base=%p, ArgC=%i, ArgV=%p, DataSize=0x%x)",
+ Entrypoint, Base, ArgC, ArgV, DataSize);
+
+ // Write data to the user's stack
+ usr_sp = (void*)MM_NewUserStack();
+ usr_sp -= (DataSize+3)/4;
+ memcpy(usr_sp, ArgV, DataSize);
+ free(ArgV);
+
+ // Adjust user's copy of the arguments
+ delta = (tVAddr)usr_sp - (tVAddr)ArgV;
+ Log("delta = %x", delta);
+ ArgV = (void*)usr_sp;
+ for(i = 0; ArgV[i]; i ++) ArgV[i] += delta;
+ envp = &ArgV[i+1];
+ for(i = 0; envp[i]; i ++) envp[i] += delta;
+ Log("envp = %p", envp);
+
+ *--usr_sp = (Uint32)envp;
+ *--usr_sp = (Uint32)ArgV;
+ *--usr_sp = (Uint32)ArgC;
+ *--usr_sp = Base;
+
+ // Drop to user code
+ Log_Debug("Proc", "Proc_int_DropToUser(%p, %p)", Entrypoint, usr_sp);
+ Proc_int_DropToUser(Entrypoint, (Uint32)usr_sp);