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Diffstat (limited to 'open_issues/64-bit_port.mdwn')
-rw-r--r-- | open_issues/64-bit_port.mdwn | 80 |
1 files changed, 13 insertions, 67 deletions
diff --git a/open_issues/64-bit_port.mdwn b/open_issues/64-bit_port.mdwn index 9382a0d5..01a2aad5 100644 --- a/open_issues/64-bit_port.mdwn +++ b/open_issues/64-bit_port.mdwn @@ -13,79 +13,25 @@ License|/fdl]]."]]"""]] [[!inline pages="title(Is there a 64-bit version?)" feeds="no" raw="yes"]] -There is a `master-x86_64` [[GNU Mach -branch|http://git.savannah.gnu.org/cgit/hurd/gnumach.git/log/?h=master-x86_64]]. -As of 2012-11-20, it only supports the [[microkernel/mach/gnumach/ports/Xen]] platform for now. - -**What is left for initial support (32-on-64) is** - - * add 64bit boot support from grub's multiboot - * implement 32/64 RPC compatibility for RPCs served by kernel. - -See [[http://lists.gnu.org/archive/html/bug-hurd/2012-04/msg00000.html]] - **For pure 64bit support, we need to** - * add 64bit definitions in binutils - * add 64bit definitions in gcc - * implement 64bit variants of code in glibc/sysdeps/mach/i386 and glibc/sysdeps/mach/hurd/i386 - * implement 64bit variants of code in libpthread/sysdeps/i386, libpthread/sysdeps/mach/i386, libpthread/sysdeps/mach/hurd/i386 - * fetch from Linux 64bit variant of code in ./pfinet/linux-src/arch/i386 and ./pfinet/linux-src/include/asm-i386 - * define the mig ABI - * bootstrap a distrib, e.g. Debian hurd-amd64 (see [[https://jenkins.debian.net/view/rebootstrap/job/rebootstrap_hurd-amd64_gcc8/]] ) - -# 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 :) - + * bootstrap a distribution. Debian is done. Alpine-Hurd is mostly + bootstrapped. Reach out to Sergey if you are interested in an + Alpine-Hurd distribution with bleeding-edge software. Reach out + to Guix, if you want to help them bootstrap a 64bit Hurd. -## IRC, freenode, #hurd, 2013-07-02 +**TODO** -In context of [[mondriaan_memory_protection]]. + * Fix swapping with rumpdisk + * Fix crash-dump-core server - <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 +**Installing via the installer image** +The installer works fine in qemu. Give it a shot! Let us know +how it works in real hardware! -## IRC, OFTC, #debian-hurd, 2013-10-05 +[[http://cdimage.debian.org/cdimage/ports/latest/hurd-amd64/current/]] - <dharc> and what about 64 bit support, almost done? - <youpi> kernel part is done - <youpi> MIG 32/64 trnaslation missing +**Installing a 64bit system** -[[mig_portable_rpc_declarations]]. +In principle crosshurd should be working. |