9 May
2006
9 May
'06
4:58 p.m.
OF support for Linux on PPC works by making a copy of the device tree when it first boots. From then on there are no direct calls made to OF, only to read values from the copy of the device tree. This will only work if the OS does not need to make any direct calls to the BIOS (which Linux doesn't). If Solaris needs to make calls then you are going to have to implement a mechanism to trap into the BIOS. See arch/ppc/kernel/prom.c.
Interesting idea, could be useful to fix the device order, for example.
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