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| -rw-r--r-- | open_issues/gnumach_PCI_access.mdwn | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/open_issues/gnumach_PCI_access.mdwn b/open_issues/gnumach_PCI_access.mdwn new file mode 100644 index 00000000..dc099563 --- /dev/null +++ b/open_issues/gnumach_PCI_access.mdwn @@ -0,0 +1,18 @@ +[[!meta copyright="Copyright © 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]]."]]"""]] + +Currently, GNU Mach requires the presence of the BIOS32 Service Directory for PCI access. +The other possible methods are direct access, which is somewhat dangerous and using mmconfig, the preferred default in Linux. +Direct access is already supported, but only used if BIOS32 is present for safety reasons. +The relevant Linux code could be adapted and reused. + + +[[!tag open_issue_gnumach]] + |