Commit 52b98923 authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman
Browse files

powerpc/64s/exception: Add the virt variant of the denorm interrupt handler 



All other virt handlers have the prolog code in the virt vector rather
than branch to the real vector. Follow this pattern in the denorm virt
handler.

Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190802105709.27696-25-npiggin@gmail.com
parent d29768e1

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

+5 −1
Original line number Diff line number Diff line
@@ -1852,7 +1852,11 @@ EXC_REAL_END(denorm_exception_hv, 0x1500, 0x100) 


#ifdef CONFIG_PPC_DENORMALISATION

EXC_VIRT_BEGIN(denorm_exception, 0x5500, 0x100)

	b	exc_real_0x1500_denorm_exception_hv

	INT_HANDLER denorm_exception, 0x1500, 0, 2, 1, EXC_HV, PACA_EXGEN, 1, 0, 0, 0, 0

	mfspr	r10,SPRN_HSRR1

	andis.	r10,r10,(HSRR1_DENORM)@h /* denorm? */

	bne+	denorm_assist

	INT_VIRT_SAVE_SRR_AND_JUMP denorm_common, EXC_HV

EXC_VIRT_END(denorm_exception, 0x5500, 0x100)

#else

EXC_VIRT_NONE(0x5500, 0x100)

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