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preserve any existing fault buffer. RTAS calls are meant to be safe from interrupt context (and are indeed used there to implement the xics PIC drvier). Without this, calling into RTAS in interrupt context would have the effect of clearing any existing onfault state of the interrupted thread, potentially leading to a panic. |
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.. | ||
ofw_cpu.c | ||
ofw_machdep.c | ||
ofw_pci.c | ||
ofw_pci.h | ||
ofw_pcib_pci.c | ||
ofw_pcibus.c | ||
ofw_pcibus.h | ||
ofw_real.c | ||
ofw_syscons.c | ||
ofw_syscons.h | ||
ofwcall32.S | ||
ofwcall64.S | ||
ofwmagic.S | ||
openpic_ofw.c | ||
rtas.c |