[SCM] GNU Mach branch, master, updated. 853730f7faa8f59795e8e0e811864deae279314f

[Samuel Thibault]

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commit 853730f7faa8f59795e8e0e811864deae279314f
Author: Samuel Thibault <address@hidden>
Date:   Sun Mar 18 17:07:37 2012 +0100

    Set Xen kernel virtual address to 0xC0000000
    
    That makes the virtual addressing equal to linear addressing, thus 
optimizing
    some computations away.
    
    * i386/i386/vm_param.h (VM_MIN_KERNEL_ADDRESS) [MACH_XEN]: Set to
    0xC0000000UL.
    * i386/xen/Makefrag.am (gnumach_LINKFLAGS): Set _START to 0xC0000000.
    * i386/xen/xen_boothdr.S (VIRT_BASE, ELF_PADDR_OFFSET): Set to 0xC0000000.

commit ef34957f80c8b973a064cb677d6d29a65711ca6b
Author: Samuel Thibault <address@hidden>
Date:   Sun Mar 18 17:05:00 2012 +0100

    Fix access above 4GiB in bootstrap page table
    
    * i386/intel/pmap.c (pmap_set_page_readonly_init) [PAE]: Access the 
bootstrap
    dirbase with PTEMASK (1 page) instead of PDEMASK (4 pages) through pmap_pde.

-----------------------------------------------------------------------

Summary of changes:
 i386/i386/vm_param.h   |    2 +-
 i386/intel/pmap.c      |   17 +++++++++--------
 i386/xen/Makefrag.am   |    2 +-
 i386/xen/xen_boothdr.S |    4 ++--
 4 files changed, 13 insertions(+), 12 deletions(-)


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