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OpenBSD 3.0 was the first official release of OpenBSD/sparc64, and since that release support for many more devices has been added (including ! devices required for X11R6 support) and bugs exposed by the 64 bit big endian ! nature of UltraSPARC in many obscure places have been fixed.
Sun refused access to the neccessary documentation for the (very bizzare) ! host bridge in the UltraSPARC III machines, so a few years were lost before ! some reverse engineering figured out the changes in these machines. ! OpenBSD 4.0 has thus been the first release to ship with support for the UltraSPARC III based machines.
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OpenBSD 3.0 was the first official release of OpenBSD/sparc64, and since that release support for many more devices has been added (including ! devices required for X11R6 support). The rest of the architectures that ! OpenBSD supports have benefitted because some kinds of bugs are ! exposed more often by the 64-bit big endian nature of UltraSPARC.
Sun refused access to the neccessary documentation for the (very bizzare) ! host bridge and caches in the UltraSPARC III machines, so a few years were ! lost before some reverse engineering figured out the changes in these ! machines (and the undocumented processor bugs, too). In 2007, Sun ! was finally convinced to release the missing ! information, and development progress became more rapid. ! !
! OpenBSD 4.0 was the first release to ship with support for the UltraSPARC III based machines.
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- This list has been originally posted by Marcus Watts to the sparc mailing list. -
-