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authorhttps://me.yahoo.com/a/g3Ccalpj0NhN566pHbUl6i9QF0QEkrhlfPM-#b1c14 <diana@web>2015-02-16 20:08:03 +0100
committerGNU Hurd web pages engine <web-hurd@gnu.org>2015-02-16 20:08:03 +0100
commit95878586ec7611791f4001a4ee17abf943fae3c1 (patch)
tree847cf658ab3c3208a296202194b16a6550b243cf /open_issues/64-bit_port.mdwn
parent8063426bf7848411b0ef3626d57be8cb4826715e (diff)
rename open_issues.mdwn to service_solahart_jakarta_selatan__082122541663.mdwn
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-[[!meta copyright="Copyright © 2011, 2012, 2013, 2014 Free Software Foundation,
-Inc."]]
-
-[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
-id="license" text="Permission is granted to copy, distribute and/or modify this
-document under the terms of the GNU Free Documentation License, Version 1.2 or
-any later version published by the Free Software Foundation; with no Invariant
-Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
-is included in the section entitled [[GNU Free Documentation
-License|/fdl]]."]]"""]]
-
-[[!tag open_issue_gnumach open_issue_mig]]
-
-There is a `master-x86_64` GNU Mach branch. As of 2012-11-20, it only supports
-the [[microkernel/mach/gnumach/ports/Xen]] platform.
-
-
-# IRC, freenode, #hurd, 2011-10-16
-
- <youpi> it'd be really good to have a 64bit kernel, no need to care about
- addressing space :)
- <braunr> yes a 64 bits kernel would be nice
- <braunr> i guess it wouldn't be too hard to have a special mach kernel for
- 64 bits processors, but 32 bits userland only
- <youpi> well, it means tinkering with mig
-
-[[mig_portable_rpc_declarations]].
-
-
-# IRC, freenode, #hurd, 2012-10-03
-
- <braunr> youpi: just so you know in case you try the master-x86_64 with
- grub
- <braunr> youpi: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=689509
- <youpi> ok, thx
- <braunr> the squeeze version is fine but i had to patch the wheezy/sid one
- <youpi> I actually hadn't hoped to boot into 64bit directly from grub
- <braunr> youpi: there is code in viengoos that could be reused
- <braunr> i've been thinking about it for a time now
- <youpi> ok
- <braunr> the two easiest ways are 1/ the viengoos one (a -m32 object file
- converted with objcopy as an embedded loader)
- <braunr> and 2/ establishing an identity mapping using 4x1 GB large pages
- and switching to long mode, then jumping to c code to complete the
- initialization
- <braunr> i think i'll go the second way with x15, so you'll have the two :)
-
-
-## IRC, freenode, #hurd, 2013-07-02
-
-In context of [[mondriaan_memory_protection]].
-
- <xscript> BTW, it's not like I have an infinite amount of time for this,
- but having 64-bit support would be valuable for me, so I might contribute
- that back if it's not a too monumental task
- <xscript> I saw some discussions about 32bit apps on top of 64bit mach, but
- I'd like a full 64bit system
- <xscript> any clues?
- <xscript> I suppose the compiler support is all there already
- <xscript> is MIG (and mach) the only piece missing?
- <braunr> the problem is the interfaces themselves
- <braunr> type widths
- <braunr> as passed between userspace and kernel
-
-
-## IRC, OFTC, #debian-hurd, 2013-10-05
-
- <dharc> and what about 64 bit support, almost done?
- <youpi> kernel part is done
- <youpi> MIG 32/64 trnaslation missing
-
-[[mig_portable_rpc_declarations]].