Commit 904f81f3 authored Jun 28, 2019 by Nicholas Piggin Committed by Michael Ellerman Jul 02, 2019

powerpc/64s/exception: denorm handler use standard scratch save macro



Although the 0x1500 interrupt only applies to bare metal, it is better
to just use the standard macro for scratch save.

Runtime code path remains unchanged (due to instruction patching).

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent 02a12581

arch/powerpc/kernel/exceptions-64s.S

+1 −1

Original line number	Diff line number	Diff line
		@@ -1925,7 +1925,7 @@ EXC_REAL_NONE(0x1400, 0x100)
		EXC_VIRT_NONE(0x5400, 0x100)

		EXC_REAL_BEGIN(denorm_exception_hv, 0x1500, 0x100)
		mtspr SPRN_SPRG_HSCRATCH0,r13
		SET_SCRATCH0(r13)
		EXCEPTION_PROLOG_0 PACA_EXGEN
		EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 0, 0x1500, 0, 0, 0

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