linuxppc-dev.lists.ozlabs.org archive mirror
 help / color / mirror / Atom feed
From: Michael Ellerman <mpe@ellerman.id.au>
To: linuxppc-dev@ozlabs.org
Cc: npiggin@gmail.com
Subject: [PATCH v3 29/42] powerpc/64s: Consolidate Vector Unavailable 0xf20 interrupt
Date: Wed,  5 Oct 2016 11:22:51 +1100	[thread overview]
Message-ID: <1475626984-18770-30-git-send-email-mpe@ellerman.id.au> (raw)
In-Reply-To: <1475626984-18770-1-git-send-email-mpe@ellerman.id.au>

From: Nicholas Piggin <npiggin@gmail.com>

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
 arch/powerpc/kernel/exceptions-64s.S | 76 ++++++++++++++++++------------------
 1 file changed, 37 insertions(+), 39 deletions(-)

diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 5566f218734a..5b81ecf7c1a7 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1035,6 +1035,43 @@ EXC_COMMON_ASYNC(performance_monitor_common, 0xf00, performance_monitor_exceptio
 
 
 __EXC_REAL_OOL(altivec_unavailable, 0xf20, 0xf40)
+__TRAMP_REAL_REAL_OOL(altivec_unavailable, 0xf20)
+__EXC_VIRT_OOL(altivec_unavailable, 0x4f20, 0x4f40)
+__TRAMP_REAL_VIRT_OOL(altivec_unavailable, 0xf20)
+TRAMP_KVM(PACA_EXGEN, 0xf20)
+EXC_COMMON_BEGIN(altivec_unavailable_common)
+	EXCEPTION_PROLOG_COMMON(0xf20, PACA_EXGEN)
+#ifdef CONFIG_ALTIVEC
+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
+	bl	load_up_altivec
+	b	fast_exception_return
+#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	altivec_unavailable_tm
+	b	ret_from_except
+#endif
+1:
+END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
+#endif
+	bl	save_nvgprs
+	RECONCILE_IRQ_STATE(r10, r11)
+	addi	r3,r1,STACK_FRAME_OVERHEAD
+	bl	altivec_unavailable_exception
+	b	ret_from_except
+
 
 __EXC_REAL_OOL(vsx_unavailable, 0xf40, 0xf60)
 
@@ -1168,9 +1205,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR)
 #endif
 
 	/* moved from 0xf00 */
-__TRAMP_REAL_REAL_OOL(altivec_unavailable, 0xf20)
-TRAMP_KVM(PACA_EXGEN, 0xf20)
-
 __TRAMP_REAL_REAL_OOL(vsx_unavailable, 0xf40)
 TRAMP_KVM(PACA_EXGEN, 0xf40)
 
@@ -1324,8 +1358,6 @@ EXC_COMMON(altivec_assist_common, 0x1700, unknown_exception)
 	 * come here.
 	 */
 
-__EXC_VIRT_OOL(altivec_unavailable, 0x4f20, 0x4f40)
-
 __EXC_VIRT_OOL(vsx_unavailable, 0x4f40, 0x4f60)
 
 __EXC_VIRT_OOL(facility_unavailable, 0x4f60, 0x4f80)
@@ -1355,39 +1387,6 @@ EXC_VIRT_NONE(0x5800, 0x5900)
 EXC_COMMON_BEGIN(ppc64_runlatch_on_trampoline)
 	b	__ppc64_runlatch_on
 
-EXC_COMMON_BEGIN(altivec_unavailable_common)
-	EXCEPTION_PROLOG_COMMON(0xf20, PACA_EXGEN)
-#ifdef CONFIG_ALTIVEC
-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
-	bl	load_up_altivec
-	b	fast_exception_return
-#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	altivec_unavailable_tm
-	b	ret_from_except
-#endif
-1:
-END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
-#endif
-	bl	save_nvgprs
-	RECONCILE_IRQ_STATE(r10, r11)
-	addi	r3,r1,STACK_FRAME_OVERHEAD
-	bl	altivec_unavailable_exception
-	b	ret_from_except
-
 EXC_COMMON_BEGIN(vsx_unavailable_common)
 	EXCEPTION_PROLOG_COMMON(0xf40, PACA_EXGEN)
 #ifdef CONFIG_VSX
@@ -1421,7 +1420,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX)
 	b	ret_from_except
 
 	/* Equivalents to the above handlers for relocation-on interrupt vectors */
-__TRAMP_REAL_VIRT_OOL(altivec_unavailable, 0xf20)
 __TRAMP_REAL_VIRT_OOL(vsx_unavailable, 0xf40)
 __TRAMP_REAL_VIRT_OOL(facility_unavailable, 0xf60)
 __TRAMP_REAL_VIRT_OOL_HV(h_facility_unavailable, 0xf80)
-- 
2.7.4

  parent reply	other threads:[~2016-10-05  0:23 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-05  0:22 [PATCH v3 00/42] powerpc/64: use asm sections for head/exception layout Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 01/42] powerpc/64s: Add new exception vector macros Michael Ellerman
2016-10-05  2:36   ` [v3,01/42] " Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 02/42] powerpc/64s: Consolidate exception handler alignment Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 03/42] powerpc/64: Change the way relocation copy is calculated Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 04/42] powerpc: Use gas sections for arranging exception vectors Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 05/42] powerpc/64s: Consolidate System Reset 0x100 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 06/42] powerpc/64s: Consolidate Machine Check 0x200 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 07/42] powerpc/64s: Consolidate Data Storage 0x300 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 08/42] powerpc/64s: Consolidate Data Segment 0x380 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 09/42] powerpc/64s: Consolidate Instruction Storage 0x400 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 10/42] powerpc/64s: Consolidate Instruction Segment 0x480 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 11/42] powerpc/64s: Consolidate External 0x500 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 12/42] powerpc/64s: Consolidate Alignment 0x600 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 13/42] powerpc/64s: Consolidate Program 0x700 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 14/42] powerpc/64s: Consolidate FP Unavailable 0x800 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 15/42] powerpc/64s: Consolidate Decrementer 0x900 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 16/42] powerpc/64s: Consolidate Hypervisor Decrementer 0x980 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 17/42] powerpc/64s: Consolidate Directed Privileged Doorbell 0xa00 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 18/42] powerpc/64s: Consolidate Reserved 0xb00 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 19/42] powerpc/64s: Consolidate System Call 0xc00 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 20/42] powerpc/64s: Consolidate Trace 0xd00 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 21/42] powerpc/64s: Consolidate Hypervisor Data Storage 0xe00 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 22/42] powerpc/64s: Consolidate Hypervisor Instruction Storage 0xe20 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 23/42] powerpc/64s: Consolidate Hypervisor Emulation Assistance 0xe40 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 24/42] powerpc/64s: Consolidate Hypervisor Maintenance 0xe60 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 25/42] powerpc/64s: Consolidate Directed Hypervisor Doorbell 0xe80 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 26/42] powerpc/64s: Consolidate Hypervisor Virtualization 0xea0 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 27/42] powerpc/64s: Consolidate Reserved 0xec0, 0xee0 interrupts Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 28/42] powerpc/64s: Consolidate Performance Monitor 0xf00 interrupt Michael Ellerman
2016-10-05  0:22 ` Michael Ellerman [this message]
2016-10-05  0:22 ` [PATCH v3 30/42] powerpc/64s: Consolidate VSX Unavailable 0xf40 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 31/42] powerpc/64s: Consolidate Facility Unavailable 0xf60 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 32/42] powerpc/64s: Consolidate Hypervisor Facility Unavailable 0xf80 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 33/42] powerpc/64s: Consolidate Reserved 0xfa0-0x1200 interrupts Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 34/42] powerpc/64s: Consolidate CBE System Error 0x1200 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 35/42] powerpc/64s: Consolidate Instruction Breakpoint 0x1300 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 36/42] powerpc/64s: Consolidate Softpatch 0x1500 interrupt Michael Ellerman
2016-10-05  0:22 ` [PATCH v3 37/42] powerpc/64s: Consolidate Debug 0x1600 interrupt Michael Ellerman
2016-10-05  0:23 ` [PATCH v3 38/42] powerpc/64s: Consolidate Altivec 0x1700 interrupt Michael Ellerman
2016-10-05  0:23 ` [PATCH v3 39/42] powerpc/64s: Consolidate CBE Thermal 0x1800 interrupt Michael Ellerman
2016-10-05  0:23 ` [PATCH v3 40/42] powerpc/64s: Move __replay_interrupt function below handlers Michael Ellerman
2016-10-05  0:23 ` [PATCH v3 41/42] powerpc/64s: Use a single macro for both parts of OOL exception Michael Ellerman
2016-10-05  0:23 ` [PATCH v3 42/42] powerpc/64s: Remove unused exception code, small cleanups Michael Ellerman

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1475626984-18770-30-git-send-email-mpe@ellerman.id.au \
    --to=mpe@ellerman.id.au \
    --cc=linuxppc-dev@ozlabs.org \
    --cc=npiggin@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).