- this is not the behaviour of real hardware

bochs/patches/patch.pit-vitaly-vorobyov

@@ -1,82 +0,0 @@
-----------------------------------------------------------------------
-Patch name: patch.pit-vitaly-vorobyov
-Author: Vitaly Vorobyov
-Date: 03/08/2003
-Status: New
-
-Detailed description:
-
-PATCH 3: 
- Timer fixes:
-  [x] allow sequential read of timer ports (ex: in eax,40h)
-
-
-Patch was created with:
-  cvs diff -u
-Apply patch to what version:
-  cvs checked out on 3 Aug 2003
-Instructions:
-  To patch, go to main bochs directory.
-  Type "patch -p0 < THIS_PATCH_FILE".
-----------------------------------------------------------------------
-Index: iodev/pit_wrap.cc
-===================================================================
-RCS file: /cvsroot/bochs/bochs/iodev/pit_wrap.cc,v
-retrieving revision 1.51
-diff -u -r1.51 pit_wrap.cc
---- iodev/pit_wrap.cc	31 Jul 2003 12:04:48 -0000	1.51
-+++ iodev/pit_wrap.cc	4 Aug 2003 14:31:20 -0000
-@@ -326,12 +326,24 @@
-   switch (address) {
- 
-     case 0x40: /* timer 0 - system ticks */
-+      if(io_len==2)
-+       return (BX_PIT_THIS s.timer.read(1)<<8) | (BX_PIT_THIS s.timer.read(0));
-+      else
-+      if(io_len==4)
-+       return (BX_PIT_THIS s.timer.read(3)<<24) | 
-+              (BX_PIT_THIS s.timer.read(2)<<16) |
-+              (BX_PIT_THIS s.timer.read(1)<<8)  |
-+              (BX_PIT_THIS s.timer.read(0));
-       return(BX_PIT_THIS s.timer.read(0));
-       break;
-     case 0x41: /* timer 1 read */
-+      if(io_len==2)
-+       return (BX_PIT_THIS s.timer.read(2)<<8) | (BX_PIT_THIS s.timer.read(1));
-       return(BX_PIT_THIS s.timer.read(1));
-       break;
-     case 0x42: /* timer 2 read */
-+      if(io_len==2)
-+       return (BX_PIT_THIS s.timer.read(3)<<8) | (BX_PIT_THIS s.timer.read(2));
-       return(BX_PIT_THIS s.timer.read(2));
-       break;
-     case 0x43: /* timer 1 read */
-Index: iodev/pit.cc
-===================================================================
-RCS file: /cvsroot/bochs/bochs/iodev/pit.cc,v
-retrieving revision 1.15
-diff -u -r1.15 pit.cc
---- iodev/pit.cc	31 Jul 2003 12:04:48 -0000	1.15
-+++ iodev/pit.cc	4 Aug 2003 14:31:20 -0000
-@@ -243,12 +243,21 @@
- #else
-   UNUSED(this_ptr);
- #endif  // !BX_USE_PIT_SMF
-+
-   if (bx_dbg.pit)
-     BX_INFO(("pit: io read from port %04x", (unsigned) address));
- 
-   switch (address) {
-     case 0x40: /* timer 0 - system ticks */
-+      if(io_len==2)
-+       return read_counter(1)<<8 | read_counter(0);
-       return( read_counter(0) );
-+      break;
-+
-+    case 0x41: /* timer 2 read */
-+      if(io_len==2)
-+       return read_counter(2)<<8 | read_counter(1);
-+      return( read_counter(1) );
-       break;
- 
-     case 0x42: /* timer 2 read */