powerpc/powernv: Fix OPAL entry and exit in little endian mode (be401b37) · Commits · e / devices / android_kernel_teracube_emerald

arch/powerpc/platforms/powernv/opal-wrappers.S

+8 −1

Original line number	Diff line number	Diff line
		@@ -34,7 +34,7 @@
		mtmsrd r12,1; \
		LOAD_REG_ADDR(r0,.opal_return); \
		mtlr r0; \
		li r0,MSR_DR\|MSR_IR; \
		li r0,MSR_DR\|MSR_IR\|MSR_LE;\
		andc r12,r12,r0; \
		li r0,token; \
		mtspr SPRN_HSRR1,r12; \
		@@ -45,6 +45,13 @@
		hrfid

		_STATIC(opal_return)
		/*
		* Fixup endian on OPAL return... we should be able to simplify
		* this by instead converting the below trampoline to a set of
		* bytes (always BE) since MSR:LE will end up fixed up as a side
		* effect of the rfid.
		*/
		FIXUP_ENDIAN
		ld r2,PACATOC(r13);
		ld r4,8(r1);
		ld r5,16(r1);