From: Nicholas Piggin <npiggin@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Nicholas Piggin <npiggin@gmail.com>
Subject: [PATCH v3 14/25] powerpc/64s/exception: move EXCEPTION_PROLOG_2* to a more logical place
Date: Sat, 22 Jun 2019 23:15:24 +1000 [thread overview]
Message-ID: <20190622131535.20996-15-npiggin@gmail.com> (raw)
In-Reply-To: <20190622131535.20996-1-npiggin@gmail.com>
No generated code change.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/powerpc/include/asm/exception-64s.h | 113 ++++++++++++-----------
1 file changed, 57 insertions(+), 56 deletions(-)
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index 0bb0310b794f..6de3c393ddf7 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -170,62 +170,6 @@
ori reg,reg,(ABS_ADDR(label))@l; \
addis reg,reg,(ABS_ADDR(label))@h
-.macro EXCEPTION_PROLOG_2_REAL label, hsrr, set_ri
- ld r10,PACAKMSR(r13) /* get MSR value for kernel */
- .if ! \set_ri
- xori r10,r10,MSR_RI /* Clear MSR_RI */
- .endif
- .if \hsrr
- mfspr r11,SPRN_HSRR0 /* save HSRR0 */
- .else
- mfspr r11,SPRN_SRR0 /* save SRR0 */
- .endif
- LOAD_HANDLER(r12, \label\())
- .if \hsrr
- mtspr SPRN_HSRR0,r12
- mfspr r12,SPRN_HSRR1 /* and HSRR1 */
- mtspr SPRN_HSRR1,r10
- HRFI_TO_KERNEL
- .else
- mtspr SPRN_SRR0,r12
- mfspr r12,SPRN_SRR1 /* and SRR1 */
- mtspr SPRN_SRR1,r10
- RFI_TO_KERNEL
- .endif
- b . /* prevent speculative execution */
-.endm
-
-.macro EXCEPTION_PROLOG_2_VIRT label, hsrr
-#ifdef CONFIG_RELOCATABLE
- .if \hsrr
- mfspr r11,SPRN_HSRR0 /* save HSRR0 */
- .else
- mfspr r11,SPRN_SRR0 /* save SRR0 */
- .endif
- LOAD_HANDLER(r12, \label\())
- mtctr r12
- .if \hsrr
- mfspr r12,SPRN_HSRR1 /* and HSRR1 */
- .else
- mfspr r12,SPRN_SRR1 /* and HSRR1 */
- .endif
- li r10,MSR_RI
- mtmsrd r10,1 /* Set RI (EE=0) */
- bctr
-#else
- .if \hsrr
- mfspr r11,SPRN_HSRR0 /* save HSRR0 */
- mfspr r12,SPRN_HSRR1 /* and HSRR1 */
- .else
- mfspr r11,SPRN_SRR0 /* save SRR0 */
- mfspr r12,SPRN_SRR1 /* and SRR1 */
- .endif
- li r10,MSR_RI
- mtmsrd r10,1 /* Set RI (EE=0) */
- b \label
-#endif
-.endm
-
/* Exception register prefixes */
#define EXC_HV 1
#define EXC_STD 0
@@ -335,6 +279,63 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
std r10,\area\()+EX_R13(r13)
.endm
+.macro EXCEPTION_PROLOG_2_REAL label, hsrr, set_ri
+ ld r10,PACAKMSR(r13) /* get MSR value for kernel */
+ .if ! \set_ri
+ xori r10,r10,MSR_RI /* Clear MSR_RI */
+ .endif
+ .if \hsrr
+ mfspr r11,SPRN_HSRR0 /* save HSRR0 */
+ .else
+ mfspr r11,SPRN_SRR0 /* save SRR0 */
+ .endif
+ LOAD_HANDLER(r12, \label\())
+ .if \hsrr
+ mtspr SPRN_HSRR0,r12
+ mfspr r12,SPRN_HSRR1 /* and HSRR1 */
+ mtspr SPRN_HSRR1,r10
+ HRFI_TO_KERNEL
+ .else
+ mtspr SPRN_SRR0,r12
+ mfspr r12,SPRN_SRR1 /* and SRR1 */
+ mtspr SPRN_SRR1,r10
+ RFI_TO_KERNEL
+ .endif
+ b . /* prevent speculative execution */
+.endm
+
+.macro EXCEPTION_PROLOG_2_VIRT label, hsrr
+#ifdef CONFIG_RELOCATABLE
+ .if \hsrr
+ mfspr r11,SPRN_HSRR0 /* save HSRR0 */
+ .else
+ mfspr r11,SPRN_SRR0 /* save SRR0 */
+ .endif
+ LOAD_HANDLER(r12, \label\())
+ mtctr r12
+ .if \hsrr
+ mfspr r12,SPRN_HSRR1 /* and HSRR1 */
+ .else
+ mfspr r12,SPRN_SRR1 /* and HSRR1 */
+ .endif
+ li r10,MSR_RI
+ mtmsrd r10,1 /* Set RI (EE=0) */
+ bctr
+#else
+ .if \hsrr
+ mfspr r11,SPRN_HSRR0 /* save HSRR0 */
+ mfspr r12,SPRN_HSRR1 /* and HSRR1 */
+ .else
+ mfspr r11,SPRN_SRR0 /* save SRR0 */
+ mfspr r12,SPRN_SRR1 /* and SRR1 */
+ .endif
+ li r10,MSR_RI
+ mtmsrd r10,1 /* Set RI (EE=0) */
+ b \label
+#endif
+.endm
+
+
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
/*
* If hv is possible, interrupts come into to the hv version
--
2.20.1
next prev parent reply other threads:[~2019-06-22 14:07 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-22 13:15 [PATCH v3 00/25] powerpc/64s interrupt handler cleanups, gasification Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 01/25] powerpc/64s/exception: remove H concatenation for EXC_HV variants Nicholas Piggin
2019-07-04 15:52 ` Michael Ellerman
2019-06-22 13:15 ` [PATCH v3 02/25] powerpc/64s/exception: consolidate EXCEPTION_PROLOG_2 with _NORI variant Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 03/25] powerpc/64s/exception: move and tidy EXCEPTION_PROLOG_2 variants Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 04/25] powerpc/64s/exception: fix sreset KVM test code Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 05/25] powerpc/64s/exception: remove the "extra" macro parameter Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 06/25] powerpc/64s/exception: consolidate maskable and non-maskable prologs Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 07/25] powerpc/64s/exception: merge KVM handler and skip variants Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 08/25] powerpc/64s/exception: KVM handler can set the HSRR trap bit Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 09/25] powerpc/64s/exception: Make EXCEPTION_PROLOG_0 a gas macro for consistency with others Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 10/25] powerpc/64s/exception: Move EXCEPTION_COMMON handler and return branches into callers Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 11/25] powerpc/64s/exception: Move EXCEPTION_COMMON additions " Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 12/25] powerpc/64s/exception: unwind exception-64s.h macros Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 13/25] powerpc/64s/exception: improve 0x500 handler code Nicholas Piggin
2019-06-22 13:15 ` Nicholas Piggin [this message]
2019-06-22 13:15 ` [PATCH v3 15/25] powerpc/64s/exception: remove STD_EXCEPTION_COMMON variants Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 16/25] powerpc/64s/exception: move KVM related code together Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 17/25] powerpc/64s/exception: move exception-64s.h code to exception-64s.S where it is used Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 18/25] powerpc/64s/exception: move head-64.h " Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 19/25] powerpc/64s/exception: remove __BRANCH_TO_KVM Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 20/25] powerpc/64s/exception: remove unused BRANCH_TO_COMMON Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 21/25] powerpc/64s/exception: use a gas macro for system call handler code Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 22/25] powerpc/64s/exception: fix indenting irregularities Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 23/25] powerpc/64s/exception: generate regs clear instructions using .rept Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 24/25] powerpc/64s/exception: remove pointless EXCEPTION_PROLOG macro indirection Nicholas Piggin
2019-06-22 13:15 ` [PATCH v3 25/25] powerpc/64s/exception: move paca save area offsets into exception-64s.S 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=20190622131535.20996-15-npiggin@gmail.com \
--to=npiggin@gmail.com \
--cc=linuxppc-dev@lists.ozlabs.org \
/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).