From: Nicholas Piggin <npiggin@gmail.com>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>, linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 29/41] powerpc/64s: consolidate VSX Unavailable 0xf40 interrupt
Date: Wed, 21 Sep 2016 17:43:55 +1000 [thread overview]
Message-ID: <20160921074407.4885-30-npiggin@gmail.com> (raw)
In-Reply-To: <20160921074407.4885-1-npiggin@gmail.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/powerpc/kernel/exceptions-64s.S | 75 ++++++++++++++++++------------------
1 file changed, 37 insertions(+), 38 deletions(-)
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index f517744..7df5c63 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1072,6 +1072,43 @@ COMMON_HANDLER_END(altivec_unavailable_common)
__VECTOR_HANDLER_REAL_OOL(vsx_unavailable, 0xf40, 0xf60)
+__TRAMP_HANDLER_REAL_OOL(vsx_unavailable, 0xf40)
+__VECTOR_HANDLER_VIRT_OOL(vsx_unavailable, 0x4f40, 0x4f60)
+__TRAMP_HANDLER_VIRT_OOL(vsx_unavailable, 0xf40)
+TRAMP_KVM(PACA_EXGEN, 0xf40)
+COMMON_HANDLER_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
+COMMON_HANDLER_END(vsx_unavailable_common)
+
__VECTOR_HANDLER_REAL_OOL(facility_unavailable, 0xf60, 0xf80)
@@ -1205,9 +1242,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR)
TRAMP_HANDLER_END(denorm_assist)
/* moved from 0xf00 */
-__TRAMP_HANDLER_REAL_OOL(vsx_unavailable, 0xf40)
-TRAMP_KVM(PACA_EXGEN, 0xf40)
-
__TRAMP_HANDLER_REAL_OOL(facility_unavailable, 0xf60)
TRAMP_KVM(PACA_EXGEN, 0xf60)
@@ -1369,7 +1403,6 @@ COMMON_HANDLER(altivec_assist_common, 0x1700, unknown_exception)
-__VECTOR_HANDLER_VIRT_OOL(vsx_unavailable, 0x4f40, 0x4f60)
__VECTOR_HANDLER_VIRT_OOL(facility_unavailable, 0x4f60, 0x4f80)
@@ -1399,41 +1432,7 @@ TRAMP_HANDLER_BEGIN(ppc64_runlatch_on_trampoline)
b __ppc64_runlatch_on
TRAMP_HANDLER_END(ppc64_runlatch_on_trampoline)
-COMMON_HANDLER_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
-COMMON_HANDLER_END(vsx_unavailable_common)
-
/* Equivalents to the above handlers for relocation-on interrupt vectors */
-__TRAMP_HANDLER_VIRT_OOL(vsx_unavailable, 0xf40)
__TRAMP_HANDLER_VIRT_OOL(facility_unavailable, 0xf60)
__TRAMP_HANDLER_VIRT_OOL_HV(h_facility_unavailable, 0xf80)
--
2.9.3
next prev parent reply other threads:[~2016-09-21 7:45 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-21 7:43 [PATCH v2 00/41] powerpc/64: use asm sections for head/exception layout Nicholas Piggin
2016-09-21 7:43 ` [PATCH 01/41] powerpc/64s: exception vector macros Nicholas Piggin
2016-09-21 7:43 ` [PATCH 02/41] powerpc/64s: consolidate exception handler alignment Nicholas Piggin
2016-09-21 7:43 ` [PATCH 03/41] powerpc/64: use gas sections for arranging exception vectors Nicholas Piggin
2016-09-22 4:40 ` Nicholas Piggin
2016-09-21 7:43 ` [PATCH 04/41] powerpc/64s: consolidate System Reset 0x100 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 05/41] powerpc/64s: consolidate Machine Check 0x200 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 06/41] powerpc/64s: consolidate Data Storage 0x300 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 07/41] powerpc/64s: consolidate Data Segment 0x380 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 08/41] powerpc/64s: consolidate Instruction Storage 0x400 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 09/41] powerpc/64s: consolidate Instruction Segment 0x480 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 10/41] powerpc/64s: consolidate External 0x500 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 11/41] powerpc/64s: consolidate Alignment 0x600 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 12/41] powerpc/64s: consolidate Program 0x700 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 13/41] powerpc/64s: consolidate FP Unavailable 0x800 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 14/41] powerpc/64s: consolidate Decrementer 0x900 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 15/41] powerpc/64s: consolidate Hypervisor Decrementer 0x980 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 16/41] powerpc/64s: consolidate Directed Privileged Doorbell 0xa00 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 17/41] powerpc/64s: consolidate Reserved 0xb00 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 18/41] powerpc/64s: consolidate System Call 0xc00 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 19/41] powerpc/64s: consolidate Trace 0xd00 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 20/41] powerpc/64s: consolidate Hypervisor Data Storage 0xe00 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 21/41] powerpc/64s: consolidate Hypervisor Instruction Storage 0xe20 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 22/41] powerpc/64s: consolidate Hypervisor Emulation Assistance 0xe40 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 23/41] powerpc/64s: consolidate Hypervisor Maintenance 0xe60 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 24/41] powerpc/64s: consolidate Directed Hypervisor Doorbell 0xe80 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 25/41] powerpc/64s: consolidate Hypervisor Virtualization 0xea0 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 26/41] powerpc/64s: consolidate Reserved 0xec0, 0xee0 interrupts Nicholas Piggin
2016-09-21 7:43 ` [PATCH 27/41] powerpc/64s: consolidate Performance Monitor 0xf00 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 28/41] powerpc/64s: consolidate Vector Unavailable 0xf20 interrupt Nicholas Piggin
2016-09-21 7:43 ` Nicholas Piggin [this message]
2016-09-21 7:43 ` [PATCH 30/41] powerpc/64s: consolidate Facility Unavailable 0xf60 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 31/41] powerpc/64s: consolidate Hypervisor Facility Unavailable 0xf80 interrupt Nicholas Piggin
2016-09-21 7:43 ` [PATCH 32/41] powerpc/64s: consolidate Reserved 0xfa0-0x1200 interrupts Nicholas Piggin
2016-09-21 7:43 ` [PATCH 33/41] powerpc/64s: consolidate CBE System Error 0x1200 interrupt Nicholas Piggin
2016-09-21 7:44 ` [PATCH 34/41] powerpc/64s: consolidate Instruction Breakpoint 0x1300 interrupt Nicholas Piggin
2016-09-21 7:44 ` [PATCH 35/41] powerpc/64s: consolidate Softpatch 0x1500 interrupt Nicholas Piggin
2016-09-21 7:44 ` [PATCH 36/41] powerpc/64s: consolidate Debug 0x1600 interrupt Nicholas Piggin
2016-09-21 7:44 ` [PATCH 37/41] powerpc/64s: consolidate Altivec 0x1700 interrupt Nicholas Piggin
2016-09-21 7:44 ` [PATCH 38/41] powerpc/64s: consolidate CBE Thermal 0x1800 interrupt Nicholas Piggin
2016-09-21 7:44 ` [PATCH 39/41] powerpc/64s: move __replay_interrupt function below handlers Nicholas Piggin
2016-09-21 7:44 ` [PATCH 40/41] powerpc/64s: use single macro for both parts of OOL exception Nicholas Piggin
2016-09-21 7:44 ` [PATCH 41/41] powerpc/64s: remove unused exception code, small cleanups Nicholas Piggin
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=20160921074407.4885-30-npiggin@gmail.com \
--to=npiggin@gmail.com \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mpe@ellerman.id.au \
/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).