DOS ain't dead

DOS and 4 GB of memory (Users)

posted by Rugxulo , Usono, 07.08.2008, 05:37

> It's not related to 4 MB pages. The VCPI client is free to implement any
> page tables he likes. The issue was about switching from real-mode to
> protected-mode. cwsdpmi expects a 16bit host stack and will crash if the
> stack is 32bit.

(quoting README.UPD from R5UPDTST.ZIP, r5 update from 2002):

> This is an update of the r5 distribution for testing purposes. It is a test
> version! The copyright banner has an updated year but the images are very
> similar to the standard r5 binaries. Three bug fixes:
>
> 1) Test of PSE feature checks correct bit (removes warnings with BOCHS).
> 2) Load ESP properly to clear upper bits with VCPI servers setting them
> (Martin, please test!)
> 3) Serializing jump to avoid Pentium III bug hang (Symantec bug).
>
> MSWITCH.ASM includes all three changes. The copyright year is also changed
> in control.c - but a single byte change isn't worth including here.

So, is it possible that this update (in particular, fix #2) corrects this issue??

EDIT: Anyone else notice that FPC 2.2.2rc2 includes this r5 updated version? Good!

Complete thread:

• DOS and 4 GB of memory - Zyzzle, 31.07.2008, 00:35 (Users)
  • DOS and 4 GB of memory - marcov, 31.07.2008, 10:56
    • DOS and 4 GB of memory - ecm, 31.07.2008, 16:32
    • DOS and 4 GB of memory - RayeR, 31.07.2008, 23:23
      • DOS and 4 GB of memory - marcov, 01.08.2008, 12:39
        • DOS and 4 GB of memory - Zyzzle, 01.08.2008, 23:37
          • DOS and 4 GB of memory - Rugxulo, 02.08.2008, 08:12
            • DOS and 4 GB of memory - RayeR, 03.08.2008, 00:59
              • DOS and 4 GB of memory - Japheth, 03.08.2008, 06:15
                • DOS and 4 GB of memory - Rugxulo, 06.08.2008, 01:11
                  • DOS and 4 GB of memory - Japheth, 06.08.2008, 07:15
                    • DOS and 4 GB of memory - Rugxulo, 07.08.2008, 05:37
                      • DOS and 4 GB of memory - Japheth, 07.08.2008, 10:08
                  • DOS and 4 GB of memory - RayeR, 06.08.2008, 15:09
  • DOS and 4 GB of memory - Steve, 31.07.2008, 13:00
  • DOS and 4 GB of memory - Rugxulo, 31.07.2008, 20:00
    • DOS and 4 GB of memory (CWSDPMI) - Rugxulo, 01.08.2008, 05:01
      • DOS and 4 GB of memory (CWSDPMI) - RayeR, 11.08.2008, 17:28
        • DOS and 4 GB of memory (CWSDPMI) - Rugxulo, 12.08.2008, 07:20
          • DOS and 4 GB of memory (CWSDPMI) - RayeR, 12.08.2008, 11:43
            • DOS and 4 GB of memory (CWSDPMI) - Rugxulo, 14.08.2008, 04:28
    • DOS and 4 GB of memory - Zyzzle, 04.08.2008, 00:13
      • DOS and 4 GB of memory - rr, 04.08.2008, 09:26
        • DOS and 4 GB of memory - Rugxulo, 04.08.2008, 23:19