X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmisc%2Fbochs-2.1.1.patch;h=3d542f6a8e287a99e81e2f70c936c7fba0a66b46;hb=ff8effb2f514ca54a594074e1cc33b22a1978050;hp=a88df1c0b2f18c223e339cf3bf940fac92d96e9a;hpb=d810034292894081f885458e730dd66fa6349ab2;p=pintos-anon

diff --git a/src/misc/bochs-2.1.1.patch b/src/misc/bochs-2.1.1.patch
index a88df1c..3d542f6 100644
--- a/src/misc/bochs-2.1.1.patch
+++ b/src/misc/bochs-2.1.1.patch
@@ -19,7 +19,7 @@ project documentation, in which timer interrupts are delivered at
 random intervals.
 
 To apply all the patches, cd into the Bochs directory, then type
-	patch -p1 < ~/pintos/src/misc/bochs-2.1.1.patch
+	patch -p1 < $PINTOSROOT/src/misc/bochs-2.1.1.patch
 You will have to supply the proper path to the patch, of course.  You
 can provide the --dry-run option to patch if you want to test whether
 the patch would apply cleanly before actually patching.
@@ -33,6 +33,29 @@ the `pintos' utility:
 If you want the gdb stub, add --enable-gdb-stub
 If you want the internal debugger, add --enable-debugger
 
+Here are the commands used to build and install all the versions of
+Bochs we make available on the elaines:
+
+cd /tmp && tar xzf ~/bochs-2.1.1.tar.gz && cd bochs-2.1.1
+patch -p1 < $PINTOSROOT/src/misc/bochs-2.1.1.patch
+PREFIX="/usr/class/cs140/`uname -m`"
+CFGOPTS="--with-x --with-x11 --with-term --with-nogui --prefix=$PREFIX"
+(mkdir plain &&
+ cd plain && 
+ ../configure $CFGOPTS && 
+ make && 
+ make install)
+(mkdir with-gdb &&
+ cd with-gdb &&
+ ../configure --enable-gdb-stub $CFGOPTS &&
+ make &&
+ cp bochs $PREFIX/bin/bochs-gdb)
+(mkdir with-dbg &&
+ cd with-dbg &&
+ ../configure --enable-debugger $CFGOPTS &&
+ make &&
+ cp bochs $PREFIX/bin/bochs-dbg)
+
 diff -urp orig/bochs-2.1.1/Makefile.in bochs-2.1.1/Makefile.in
 --- orig/bochs-2.1.1/Makefile.in	2004-02-11 14:28:02.000000000 -0800
 +++ bochs-2.1.1/Makefile.in	2004-09-13 15:05:26.281550000 -0700
@@ -139,8 +162,10 @@ diff -urp orig/bochs-2.1.1/gdbstub.cc bochs-2.1.1/gdbstub.cc
              mem2hex((char *)registers, obuf, NUMREGSBYTES);
              put_reply(obuf);
              break;
---- tmp/bochs-2.1.1/iodev/serial.cc	2004-02-11 14:28:54.000001000 -0800
-+++ bochs-2.1.1/iodev/serial.cc	2004-09-14 23:02:04.000001000 -0700
+
+diff -urp bochs-2.1.1-upstream/iodev/serial.cc bochs-2.1.1/iodev/serial.cc
+--- tmp/bochs-2.1.1/iodev/serial.cc	2004-02-11 14:28:54.000000000 -0800
++++ bochs-2.1.1/iodev/serial.cc	2005-06-01 20:26:01.000000000 -0700
 @@ -53,7 +53,7 @@
  #endif
  #endif
@@ -150,7 +175,12 @@ diff -urp orig/bochs-2.1.1/gdbstub.cc bochs-2.1.1/gdbstub.cc
  #define SERIAL_ENABLE
  #endif
  
-@@ -122,6 +122,7 @@
+@@ -118,10 +118,11 @@ bx_serial_c::init(void)
+ 
+ #ifdef SERIAL_ENABLE
+   if (strlen(bx_options.com[0].Odev->getptr ()) > 0) {
+-    tty_id = open(bx_options.com[0].Odev->getptr (), O_RDWR|O_NONBLOCK,600);
++    tty_id = open(bx_options.com[0].Odev->getptr (), O_RDWR,600);
      if (tty_id < 0)
        BX_PANIC(("open of %s (%s) failed\n",
                  "com1", bx_options.com[0].Odev->getptr ()));
@@ -158,7 +188,7 @@ diff -urp orig/bochs-2.1.1/gdbstub.cc bochs-2.1.1/gdbstub.cc
      BX_DEBUG(("tty_id: %d",tty_id));
      tcgetattr(tty_id, &term_orig);
      bcopy((caddr_t) &term_orig, (caddr_t) &term_new, sizeof(struct termios));
-@@ -145,6 +146,7 @@
+@@ -145,6 +148,7 @@ bx_serial_c::init(void)
      term_new.c_cc[VTIME] = 0;
      //term_new.c_iflag |= IXOFF;
      tcsetattr(tty_id, TCSAFLUSH, &term_new);
@@ -166,6 +196,15 @@ diff -urp orig/bochs-2.1.1/gdbstub.cc bochs-2.1.1/gdbstub.cc
    }
  #endif   /* def SERIAL_ENABLE */
    // nothing for now
+@@ -955,7 +968,7 @@ bx_serial_c::rx_timer(void)
+     }
+     if (rdy) {
+       chbuf = data;
+-#elif defined(SERIAL_ENABLE)
++#elif 0 && defined(SERIAL_ENABLE)
+     if ((tty_id >= 0) && (select(tty_id + 1, &fds, NULL, NULL, &tval) == 1)) {
+       (void) read(tty_id, &chbuf, 1);
+       BX_DEBUG(("read: '%c'",chbuf));
 
 diff -urp bochs-2.1.1.orig/bochs.h bochs-2.1.1/bochs.h
 --- bochs-2.1.1.orig/bochs.h	2004-02-11 14:28:03.000000000 -0800
@@ -196,8 +235,8 @@ diff -urp bochs-2.1.1.orig/iodev/pit82c54.cc bochs-2.1.1/iodev/pit82c54.cc
 +            unsigned n = thisctr.inlatch;
 +            if (jitter) {
 +                n *= (double) rand() / RAND_MAX;
-+                if (n < 1)
-+                    n = 1;
++                if (n < 5)
++                    n = 5;
 +            }
 +	    set_count(thisctr, n);
  	    thisctr.next_change_time=(thisctr.count_binary-1) & 0xFFFF;