Import Dev86src-0.0.11.tar.gzv0.0.11

3 files changed, 79 insertions, 4 deletions

diff --git a/elksemu/Makefile b/elksemu/Makefile
index b2b34e8..5964353 100644
--- a/elksemu/Makefile
+++ b/elksemu/Makefile
@@ -4,7 +4,7 @@
 
 ifeq ($(CC),bcc)
 # Use BCC to make a tiny static a.out version.
-CFLAGS=-O -3 -N -ansi
+CFLAGS=-O -3 -N -ansi -s
 else
 # For gcc with the default compiler
 CFLAGS=-O2 -fno-strength-reduce -Wall -idirafter . $(DEFS)
@@ -13,7 +13,7 @@ endif
 # For gcc making a.out with a basically ELF compiler
 # CFLAGS=-O2 -fno-strength-reduce -b i486-linuxaout -N -s -static
 
-OBJ=elks.o elks_sys.o elks_signal.o
+OBJ=elks.o elks_sys.o elks_signal.o minix.o
 
 elksemu:	$(OBJ)
 		$(CC) $(CFLAGS) -o elksemu $(OBJ)
@@ -32,7 +32,7 @@ install: elksemu
 	install -d $(DIST)/lib
 	install -s -o root -g root -m 4555 elksemu $(DIST)/lib/elksemu
 
-clean:
+clean realclean:
 	rm -f $(OBJ) elksemu call_tab.v defn_tab.v
 
 module: binfmt_elks.o
diff --git a/elksemu/elks.c b/elksemu/elks.c
index 8cdcb14..2c58f8e 100644
--- a/elksemu/elks.c
+++ b/elksemu/elks.c
@@ -40,6 +40,9 @@ static void elks_init()
 
 static void elks_take_interrupt(int arg)
 {
+#if 1
+	if(arg==0x20) { minix_syscall(); return; }
+#endif
 	if(arg!=0x80)
 	{
 		dbprintf(("Took an int %d\n", arg));
@@ -48,7 +51,7 @@ static void elks_take_interrupt(int arg)
 		return;
 	}
 	
-	dbprintf(("syscall AX=%X BX=%X CX=%X DX=%x\n",
+	dbprintf(("syscall AX=%x BX=%x CX=%x DX=%x\n",
 		(unsigned short)elks_cpu.regs.eax,
 		(unsigned short)elks_cpu.regs.ebx,
 		(unsigned short)elks_cpu.regs.ecx,
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);
+}