powerpc/powernv: Fix OPAL entry and exit in little endian mode
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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4f89363b11
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be401b372f
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@ -34,7 +34,7 @@
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mtmsrd r12,1; \
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LOAD_REG_ADDR(r0,.opal_return); \
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mtlr r0; \
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li r0,MSR_DR|MSR_IR; \
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li r0,MSR_DR|MSR_IR|MSR_LE;\
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andc r12,r12,r0; \
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li r0,token; \
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mtspr SPRN_HSRR1,r12; \
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@ -45,6 +45,13 @@
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hrfid
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_STATIC(opal_return)
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/*
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* Fixup endian on OPAL return... we should be able to simplify
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* this by instead converting the below trampoline to a set of
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* bytes (always BE) since MSR:LE will end up fixed up as a side
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* effect of the rfid.
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*/
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FIXUP_ENDIAN
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ld r2,PACATOC(r13);
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ld r4,8(r1);
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ld r5,16(r1);
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