Import Dev86src-0.0.11.tar.gzv0.0.11

1 files changed, 72 insertions, 0 deletions

diff --git a/elksemu/minix.c b/elksemu/minix.c
new file mode 100644
index 0000000..0c0ad67
--- /dev/null
+++ b/elksemu/minix.c
@@ -0,0 +1,72 @@
+
+/*
+ * System calls are mostly pretty easy as the emulator is tightly bound to
+ * the minix task.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/vm86.h>
+#include <sys/times.h>
+#include <utime.h>
+#include <termios.h>
+#include <time.h>
+#include <signal.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/resource.h>
+#include <sys/wait.h>
+#include <sys/ioctl.h>
+#include <dirent.h>
+#include "elks.h"
+
+#ifdef DEBUG
+#define dbprintf(x) db_printf x
+#else
+#define dbprintf(x)
+#endif
+
+static char * minix_names[] = {
+   "0", "EXIT", "FORK", "READ", "WRITE", "OPEN", "CLOSE", "WAIT",
+   "CREAT", "LINK", "UNLINK", "WAITPID", "CHDIR", "TIME", "MKNOD",
+   "CHMOD", "CHOWN", "BRK", "STAT", "LSEEK", "GETPID", "MOUNT",
+   "UMOUNT", "SETUID", "GETUID", "STIME", "PTRACE", "ALARM", "FSTAT",
+   "PAUSE", "UTIME", "31", "32", "ACCESS", "34", "35", "SYNC", "KILL",
+   "RENAME", "MKDIR", "RMDIR", "DUP", "PIPE", "TIMES", "44", "45",
+   "SETGID", "GETGID", "SIGNAL", "49", "50", "51", "52", "53", "IOCTL",
+   "FCNTL", "56", "57", "58", "EXEC", "UMASK", "CHROOT", "SETSID",
+   "GETPGRP", "KSIG", "UNPAUSE", "66", "REVIVE", "TASK_REPLY", "69",
+   "70", "SIGACTION", "SIGSUSPEND", "SIGPENDING", "SIGPROCMASK",
+   "SIGRETURN", "REBOOT", "77"
+
+   };
+
+void
+minix_syscall()
+{
+   static char *nm[4] = {"?", "send", "receive", "sendrec"};
+   char   tsks[10], syss[10];
+
+   int   sr  = (unsigned short) elks_cpu.regs.ecx;
+   int   tsk = (unsigned short) elks_cpu.regs.eax;
+   int   sys = ELKS_PEEK(short, (unsigned short) elks_cpu.regs.ebx + 2);
+
+   if (sr < 0 || sr > 3) sr = 0;
+   switch(tsk)
+   {
+   case 0:  strcpy(tsks, "MM"); break;
+   case 1:  strcpy(tsks, "FS"); break;
+   default: sprintf(tsks, "task(%d)", tsk);
+   }
+   if( sys > 0 && sys < 77 )
+      strcpy(syss, minix_names[sys]);
+   else
+      sprintf(syss, "%d", sys);
+
+   fprintf(stderr, "Minix syscall %s(%s,&{%d,%s,...})\n", nm[sr], tsks, getpid(), syss);
+   exit(99);
+}