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https://github.com/holub/mame
synced 2025-04-20 15:32:45 +03:00
mips/mips1: remove embedded syscall logging
This commit is contained in:
Patrick Mackinlay
parent
3ad89ebbc7
commit
d34540af25
@ -17,8 +17,6 @@
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#include "softfloat3/source/include/softfloat.h"
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#define LOG_TLB (1U << 1)
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#define LOG_IOP (1U << 2)
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#define LOG_RISCOS (1U << 3)
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//#define VERBOSE (LOG_GENERAL|LOG_TLB)
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@ -385,24 +383,6 @@ void mips1core_device_base::execute_run()
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// debugging
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debugger_instruction_hook(m_pc);
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if (VERBOSE & LOG_IOP)
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{
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if ((m_pc & 0x1fffffff) == 0x00012C48 || (m_pc & 0x1fffffff) == 0x0001420C || (m_pc & 0x1fffffff) == 0x0001430C)
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{
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u32 ptr = m_r[5];
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u32 length = m_r[6];
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if (length >= 4096)
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length = 4095;
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while (length)
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{
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load<u8>(ptr, [](char c) { printf("%c", c); });
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ptr++;
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length--;
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}
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fflush(stdout);
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}
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}
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// fetch instruction
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fetch(m_pc, [this](u32 const op)
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{
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@ -847,154 +827,6 @@ std::unique_ptr<util::disasm_interface> mips1core_device_base::create_disassembl
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void mips1core_device_base::generate_exception(u32 exception, bool refill)
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{
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if ((VERBOSE & LOG_RISCOS) && (exception == EXCEPTION_SYSCALL))
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{
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static char const *const sysv_syscalls[] =
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{
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"syscall", "exit", "fork", "read", "write", "open", "close", "wait", "creat", "link",
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"unlink", "execv", "chdir", "time", "mknod", "chmod", "chown", "brk", "stat", "lseek",
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"getpid", "mount", "umount", "setuid", "getuid", "stime", "ptrace", "alarm", "fstat", "pause",
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"utime", "stty", "gtty", "access", "nice", "statfs", "sync", "kill", "fstatfs", "setpgrp",
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nullptr, "dup", "pipe", "times", "profil", "plock", "setgid", "getgid", "signal", "msgsys",
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"sysmips", "acct", "shmsys", "semsys", "ioctl", "uadmin", nullptr, "utssys", nullptr, "execve",
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"umask", "chroot", "ofcntl", "ulimit", nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
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"advfs", "unadvfs", "rmount", "rumount", "rfstart", nullptr, "rdebug", "rfstop", "rfsys", "rmdir",
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"mkdir", "getdents", nullptr, nullptr, "sysfs", "getmsg", "putmsg", "poll", "sigreturn", "accept",
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"bind", "connect", "gethostid", "getpeername", "getsockname", "getsockopt", "listen", "recv", "recvfrom", "recvmsg",
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"select", "send", "sendmsg", "sendto", "sethostid", "setsockopt", "shutdown", "socket", "gethostname", "sethostname",
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"getdomainname","setdomainname","truncate", "ftruncate", "rename", "symlink", "readlink", "lstat", "nfsmount", "nfssvc",
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"getfh", "async_daemon", "old_exportfs", "mmap", "munmap", "getitimer", "setitimer", nullptr, nullptr, nullptr,
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nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
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nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
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"cacheflush", "cachectl", "fchown", "fchmod", "wait3", "mmap", "munmap", "madvise", "getpagesize", "setreuid",
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"setregid", "setpgid", "getgroups", "setgroups", "gettimeofday", "getrusage", "getrlimit", "setrlimit", "exportfs", "fcntl"
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};
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static char const *const bsd_syscalls[] =
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{
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"syscall", "exit", "fork", "read", "write", "open", "close", nullptr, "creat", "link",
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"unlink", "execv", "chdir", nullptr, "mknod", "chmod", "chown", "brk", nullptr, "lseek",
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"getpid", "omount", "oumount", nullptr, "getuid", nullptr, "ptrace", nullptr, nullptr, nullptr,
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nullptr, nullptr, nullptr, "access", nullptr, nullptr, "sync", "kill", "stat", nullptr,
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"lstat", "dup", "pipe", nullptr, "profil", nullptr, nullptr, "getgid", nullptr, nullptr,
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nullptr, "acct", nullptr, nullptr, "ioctl", "reboot", nullptr, "symlink", "readlink", "execve",
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"umask", "chroot", "fstat", nullptr, "getpagesize", "mremap", "vfork", nullptr, nullptr, "sbrk",
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"sstk", "mmap", "vadvise", "munmap", "mprotec", "madvise", "vhangup", nullptr, "mincore", "getgroups",
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"setgroups", "getpgrp", "setpgrp", "setitimer", "wait3", "swapon", "getitimer", "gethostname", "sethostname", "getdtablesize",
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"dup2", "getdopt", "fcntl", "select", "setdopt", "fsync", "setpriority", "socket", "connect", "accept",
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"getpriority", "send", "recv", "sigreturn", "bind", "setsockopt", "listen", nullptr, "sigvec", "sigblock",
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"sigsetmask", "sigpause", "sigstack", "recvmsg", "sendmsg", nullptr, "gettimeofday", "getrusage", "getsockopt", nullptr,
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"readv", "writev", "settimeofday", "fchown", "fchmod", "recvfrom", "setreuid", "setregid", "rename", "truncate",
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"ftruncate", "flock", nullptr, "sendto", "shutdown", "socketpair", "mkdir", "rmdir", "utimes", "sigcleanup",
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"adjtime", "getpeername", "gethostid", "sethostid", "getrlimit", "setrlimit", "killpg", nullptr, "setquota", "quota",
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"getsockname", "sysmips", "cacheflush", "cachectl", "debug", nullptr, nullptr, nullptr, "nfssvc", "getdirentries",
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"statfs", "fstatfs", "unmount", "async_daemon", "getfh", "getdomainname","setdomainname",nullptr, "quotactl", "old_exportfs",
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"mount", "hdwconf", "exportfs", "nfsfh_open", "libattach", "libdetach"
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};
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static char const *const msg_syscalls[] = { "msgget", "msgctl", "msgrcv", "msgsnd" };
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static char const *const shm_syscalls[] = { "shmat", "shmctl", "shmdt", "shmget" };
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static char const *const sem_syscalls[] = { "semctl", "semget", "semop" };
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static char const *const mips_syscalls[] = { "mipskopt", "mipshwconf", "mipsgetrusage", "mipswait", "mipscacheflush", "mipscachectl" };
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unsigned const asid = (m_cop0[COP0_EntryHi] & EH_ASID) >> 6;
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switch (m_r[2])
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{
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case 1000: // indirect
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switch (m_r[4])
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{
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case 1049: // msgsys
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LOGMASKED(LOG_RISCOS, "asid %d syscall msgsys:%s() (%s)\n",
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asid, (m_r[5] < std::size(msg_syscalls)) ? msg_syscalls[m_r[5]] : "unknown", machine().describe_context());
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break;
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case 1052: // shmsys
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LOGMASKED(LOG_RISCOS, "asid %d syscall shmsys:%s() (%s)\n",
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asid, (m_r[5] < std::size(shm_syscalls)) ? shm_syscalls[m_r[5]] : "unknown", machine().describe_context());
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break;
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case 1053: // semsys
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LOGMASKED(LOG_RISCOS, "asid %d syscall semsys:%s() (%s)\n",
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asid, (m_r[5] < std::size(sem_syscalls)) ? sem_syscalls[m_r[5]] : "unknown", machine().describe_context());
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break;
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case 2151: // bsd_sysmips
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switch (m_r[5])
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{
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case 0x100: // mipskopt
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LOGMASKED(LOG_RISCOS, "asid %d syscall bsd_sysmips:mipskopt(\"%s\") (%s)\n",
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asid, debug_string(m_r[6]), machine().describe_context());
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break;
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default:
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if ((m_r[5] > 0x100) && (m_r[5] - 0x100) < std::size(mips_syscalls))
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LOGMASKED(LOG_RISCOS, "asid %d syscall bsd_sysmips:%s() (%s)\n",
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asid, mips_syscalls[m_r[5] - 0x100], machine().describe_context());
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else
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LOGMASKED(LOG_RISCOS, "asid %d syscall bsd_sysmips:unknown %d (%s)\n",
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asid, m_r[5], machine().describe_context());
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break;
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}
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break;
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default:
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if ((m_r[4] > 2000) && (m_r[4] - 2000 < std::size(bsd_syscalls)) && bsd_syscalls[m_r[4] - 2000])
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LOGMASKED(LOG_RISCOS, "asid %d syscall bsd_%s() (%s)\n",
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asid, bsd_syscalls[m_r[4] - 2000], machine().describe_context());
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else
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LOGMASKED(LOG_RISCOS, "asid %d syscall indirect:unknown %d (%s)\n",
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asid, m_r[4], machine().describe_context());
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break;
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}
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break;
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case 1003: // read
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case 1006: // close
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case 1054: // ioctl
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case 1169: // fcntl
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LOGMASKED(LOG_RISCOS, "asid %d syscall %s(%d) (%s)\n",
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asid, sysv_syscalls[m_r[2] - 1000], m_r[4], machine().describe_context());
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break;
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case 1004: // write
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if (m_r[4] == 1 || m_r[4] == 2)
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LOGMASKED(LOG_RISCOS, "asid %d syscall %s(%d, \"%s\") (%s)\n",
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asid, sysv_syscalls[m_r[2] - 1000], m_r[4], debug_string(m_r[5], m_r[6]), machine().describe_context());
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else
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LOGMASKED(LOG_RISCOS, "asid %d syscall %s(%d) (%s)\n",
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asid, sysv_syscalls[m_r[2] - 1000], m_r[4], machine().describe_context());
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break;
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case 1005: // open
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case 1008: // creat
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case 1009: // link
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case 1010: // unlink
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case 1012: // chdir
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case 1018: // stat
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case 1033: // access
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LOGMASKED(LOG_RISCOS, "asid %d syscall %s(\"%s\") (%s)\n",
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asid, sysv_syscalls[m_r[2] - 1000], debug_string(m_r[4]), machine().describe_context());
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break;
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case 1059: // execve
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LOGMASKED(LOG_RISCOS, "asid %d syscall execve(\"%s\", [ %s ], [ %s ]) (%s)\n",
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asid, debug_string(m_r[4]), debug_string_array(m_r[5]), debug_string_array(m_r[6]), machine().describe_context());
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break;
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case 1060: // umask
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LOGMASKED(LOG_RISCOS, "asid %d syscall umask(%#o) (%s)\n",
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asid, m_r[4] & 0777, machine().describe_context());
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break;
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default:
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if ((m_r[2] > 1000) && (m_r[2] - 1000 < std::size(sysv_syscalls)) && sysv_syscalls[m_r[2] - 1000])
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LOGMASKED(LOG_RISCOS, "asid %d syscall %s() (%s)\n", asid, sysv_syscalls[m_r[2] - 1000], machine().describe_context());
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else
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LOGMASKED(LOG_RISCOS, "asid %d syscall unknown %d (%s)\n", asid, m_r[2], machine().describe_context());
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break;
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}
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}
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// set the exception PC
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m_cop0[COP0_EPC] = m_pc;
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@ -1009,16 +841,17 @@ void mips1core_device_base::generate_exception(u32 exception, bool refill)
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}
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m_branch_state = EXCEPTION;
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// shift the exception bits
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SR = (SR & ~SR_KUIE) | ((SR << 2) & SR_KUIEop);
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if (refill)
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m_pc = (SR & SR_BEV) ? 0xbfc00100 : 0x80000000;
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else
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m_pc = (SR & SR_BEV) ? 0xbfc00180 : 0x80000080;
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// hook exception in caller context enabling debugger access to memory parameters
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debugger_exception_hook(exception);
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// shift the exception bits
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SR = (SR & ~SR_KUIE) | ((SR << 2) & SR_KUIEop);
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if (SR & SR_KUp)
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debugger_privilege_hook();
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}
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@ -1490,64 +1323,6 @@ void mips1core_device_base::fetch(u32 address, std::function<void(u32)> &&apply)
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apply(data);
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}
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std::string mips1core_device_base::debug_string(u32 string_pointer, unsigned const limit)
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{
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auto const suppressor(machine().disable_side_effects());
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bool done = false;
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bool mapped = false;
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std::string result("");
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while (!done)
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{
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done = true;
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load<u8>(string_pointer++, [limit, &done, &mapped, &result](u8 byte)
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{
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mapped = true;
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if (byte != 0)
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{
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result += byte;
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done = result.length() == limit;
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}
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});
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}
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if (!mapped)
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result.assign("[unmapped]");
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return result;
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}
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std::string mips1core_device_base::debug_string_array(u32 array_pointer)
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{
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auto const suppressor(machine().disable_side_effects());
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bool done = false;
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std::string result("");
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while (!done)
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{
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done = true;
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load<u32>(array_pointer, [this, &done, &result](u32 string_pointer)
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{
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if (string_pointer != 0)
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{
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if (!result.empty())
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result += ", ";
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result += '\"' + debug_string(string_pointer) + '\"';
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done = false;
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}
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});
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array_pointer += 4;
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}
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return result;
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}
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void mips1_device_base::device_start()
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{
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mips1core_device_base::device_start();
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@ -98,10 +98,6 @@ protected:
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};
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std::tuple<struct cache::line &, bool> cache_lookup(u32 address, bool invalidate, bool icache = false);
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// debug helpers
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std::string debug_string(u32 string_pointer, unsigned const limit = 0);
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std::string debug_string_array(u32 array_pointer);
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// address spaces
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address_space_config const m_program_config_be;
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address_space_config const m_program_config_le;
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