gnumach, tss fixes

[Alfred M. Szmidt]

Has my blessing, I fixed the ChangeLog (we don't mention why a include
is included).

gnumach/ChangeLog:
2005-12-26  Samuel Thibault  <samuel.thibault@ens-lyon.org>

        * iopb.c: Include "vm_param.h".
        (io_tss_init): Fix address and limit of user TSS.

diff -urp gnumach-20050801/build-dbg/machine/iopb.c 
gnumach-mine/build-dbg/machine/iopb.c
--- gnumach-20050801/build-dbg/machine/iopb.c   2005-05-01 18:04:47.000000000 
+0200
+++ gnumach-mine/build-dbg/machine/iopb.c       2005-12-26 19:50:22.000000000 
+0100
@@ -43,6 +43,7 @@
 #include "iopb.h"
 #include "seg.h"
 #include "gdt.h"
+#include "vm_param.h"
 
 /*
  * A set of ports for an IO device.
@@ -242,8 +243,8 @@ io_tss_init(
        iopb_tss_t      io_tss,
        boolean_t       access_all)     /* allow access or not */
 {
-       vm_offset_t     addr = (vm_offset_t) io_tss;
-       vm_size_t       size = (char *)&io_tss->barrier - (char *)io_tss;
+       vm_offset_t     addr = kvtolin (io_tss);
+       vm_size_t       limit = (char *)&io_tss->barrier - (char *)io_tss;
 
        bzero(&io_tss->tss, sizeof(struct i386_tss));
        io_tss->tss.io_bit_map_offset
@@ -252,11 +253,11 @@ io_tss_init(
        io_bitmap_init(io_tss->bitmap, access_all);
        io_tss->barrier = ~0;
        queue_init(&io_tss->io_port_list);
-       io_tss->iopb_desc[0] = ((size-1) & 0xffff)
+       io_tss->iopb_desc[0] = (limit & 0xffff)
                | ((addr & 0xffff) << 16);
        io_tss->iopb_desc[1] = ((addr & 0x00ff0000) >> 16)
                | ((ACC_TSS|ACC_PL_K|ACC_P) << 8)
-               | ((size-1) & 0x000f0000)
+               | (limit & 0x000f0000)
                | (addr & 0xff000000);
 }