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Commit 792cbddd authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman
Browse files

powerpc/64s: Consolidate VSX Unavailable 0xf40 interrupt 



Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent d1a0ca9c

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

+36 −38
Original line number Diff line number Diff line
@@ -1074,6 +1074,42 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) 




__EXC_REAL_OOL(vsx_unavailable, 0xf40, 0xf60)

__TRAMP_REAL_REAL_OOL(vsx_unavailable, 0xf40)

__EXC_VIRT_OOL(vsx_unavailable, 0x4f40, 0x4f60)

__TRAMP_REAL_VIRT_OOL(vsx_unavailable, 0xf40)

TRAMP_KVM(PACA_EXGEN, 0xf40)

EXC_COMMON_BEGIN(vsx_unavailable_common)

	EXCEPTION_PROLOG_COMMON(0xf40, PACA_EXGEN)

#ifdef CONFIG_VSX

BEGIN_FTR_SECTION

	beq	1f

#ifdef CONFIG_PPC_TRANSACTIONAL_MEM

  BEGIN_FTR_SECTION_NESTED(69)

	/* Test if 2 TM state bits are zero.  If non-zero (ie. userspace was in

	 * transaction), go do TM stuff

	 */

	rldicl.	r0, r12, (64-MSR_TS_LG), (64-2)

	bne-	2f

  END_FTR_SECTION_NESTED(CPU_FTR_TM, CPU_FTR_TM, 69)

#endif

	b	load_up_vsx

#ifdef CONFIG_PPC_TRANSACTIONAL_MEM

2:	/* User process was in a transaction */

	bl	save_nvgprs

	RECONCILE_IRQ_STATE(r10, r11)

	addi	r3,r1,STACK_FRAME_OVERHEAD

	bl	vsx_unavailable_tm

	b	ret_from_except

#endif

1:

END_FTR_SECTION_IFSET(CPU_FTR_VSX)

#endif

	bl	save_nvgprs

	RECONCILE_IRQ_STATE(r10, r11)

	addi	r3,r1,STACK_FRAME_OVERHEAD

	bl	vsx_unavailable_exception

	b	ret_from_except





__EXC_REAL_OOL(facility_unavailable, 0xf60, 0xf80)
@@ -1205,9 +1241,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR) 
#endif



	/* moved from 0xf00 */

__TRAMP_REAL_REAL_OOL(vsx_unavailable, 0xf40)

TRAMP_KVM(PACA_EXGEN, 0xf40)



__TRAMP_REAL_REAL_OOL(facility_unavailable, 0xf60)

TRAMP_KVM(PACA_EXGEN, 0xf60)
@@ -1358,8 +1391,6 @@ EXC_COMMON(altivec_assist_common, 0x1700, unknown_exception) 
	 * come here.

	 */



__EXC_VIRT_OOL(vsx_unavailable, 0x4f40, 0x4f60)



__EXC_VIRT_OOL(facility_unavailable, 0x4f60, 0x4f80)



__EXC_VIRT_OOL_HV(h_facility_unavailable, 0x4f80, 0x4fa0)
@@ -1387,40 +1418,7 @@ EXC_VIRT_NONE(0x5800, 0x5900) 
EXC_COMMON_BEGIN(ppc64_runlatch_on_trampoline)

	b	__ppc64_runlatch_on



EXC_COMMON_BEGIN(vsx_unavailable_common)

	EXCEPTION_PROLOG_COMMON(0xf40, PACA_EXGEN)

#ifdef CONFIG_VSX

BEGIN_FTR_SECTION

	beq	1f

#ifdef CONFIG_PPC_TRANSACTIONAL_MEM

  BEGIN_FTR_SECTION_NESTED(69)

	/* Test if 2 TM state bits are zero.  If non-zero (ie. userspace was in

	 * transaction), go do TM stuff

	 */

	rldicl.	r0, r12, (64-MSR_TS_LG), (64-2)

	bne-	2f

  END_FTR_SECTION_NESTED(CPU_FTR_TM, CPU_FTR_TM, 69)

#endif

	b	load_up_vsx

#ifdef CONFIG_PPC_TRANSACTIONAL_MEM

2:	/* User process was in a transaction */

	bl	save_nvgprs

	RECONCILE_IRQ_STATE(r10, r11)

	addi	r3,r1,STACK_FRAME_OVERHEAD

	bl	vsx_unavailable_tm

	b	ret_from_except

#endif

1:

END_FTR_SECTION_IFSET(CPU_FTR_VSX)

#endif

	bl	save_nvgprs

	RECONCILE_IRQ_STATE(r10, r11)

	addi	r3,r1,STACK_FRAME_OVERHEAD

	bl	vsx_unavailable_exception

	b	ret_from_except



	/* Equivalents to the above handlers for relocation-on interrupt vectors */

__TRAMP_REAL_VIRT_OOL(vsx_unavailable, 0xf40)

__TRAMP_REAL_VIRT_OOL(facility_unavailable, 0xf60)

__TRAMP_REAL_VIRT_OOL_HV(h_facility_unavailable, 0xf80)