From: Nicholas Piggin <npiggin@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Nicholas Piggin <npiggin@gmail.com>
Subject: [PATCH 26/28] powerpc/64s/exception: move paca save area offsets into exception-64s.S
Date: Wed, 12 Jun 2019 00:30:38 +1000 [thread overview]
Message-ID: <20190611143040.7834-27-npiggin@gmail.com> (raw)
In-Reply-To: <20190611143040.7834-1-npiggin@gmail.com>
No generated code change. File is change is in bug table line numbers.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/powerpc/include/asm/exception-64s.h | 17 +++--------------
arch/powerpc/kernel/exceptions-64s.S | 22 ++++++++++++++++++++++
2 files changed, 25 insertions(+), 14 deletions(-)
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index 79e5ac87c029..33f4f72eb035 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -32,22 +32,11 @@
*/
#include <asm/feature-fixups.h>
-/* PACA save area offsets (exgen, exmc, etc) */
-#define EX_R9 0
-#define EX_R10 8
-#define EX_R11 16
-#define EX_R12 24
-#define EX_R13 32
-#define EX_DAR 40
-#define EX_DSISR 48
-#define EX_CCR 52
-#define EX_CFAR 56
-#define EX_PPR 64
+/* PACA save area size in u64 units (exgen, exmc, etc) */
#if defined(CONFIG_RELOCATABLE)
-#define EX_CTR 72
-#define EX_SIZE 10 /* size in u64 units */
+#define EX_SIZE 10
#else
-#define EX_SIZE 9 /* size in u64 units */
+#define EX_SIZE 9
#endif
/*
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 8b571a2b3d76..c1075bbe4677 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -21,6 +21,28 @@
#include <asm/feature-fixups.h>
#include <asm/kup.h>
+/* PACA save area offsets (exgen, exmc, etc) */
+#define EX_R9 0
+#define EX_R10 8
+#define EX_R11 16
+#define EX_R12 24
+#define EX_R13 32
+#define EX_DAR 40
+#define EX_DSISR 48
+#define EX_CCR 52
+#define EX_CFAR 56
+#define EX_PPR 64
+#if defined(CONFIG_RELOCATABLE)
+#define EX_CTR 72
+.if EX_SIZE != 10
+ .error "EX_SIZE is wrong"
+.endif
+#else
+.if EX_SIZE != 9
+ .error "EX_SIZE is wrong"
+.endif
+#endif
+
/*
* We're short on space and time in the exception prolog, so we can't
* use the normal LOAD_REG_IMMEDIATE macro to load the address of label.
--
2.20.1
next prev parent reply other threads:[~2019-06-11 15:48 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-11 14:30 [PATCH 00/28] powerpc/64s interrupt handler cleanups, gasification Nicholas Piggin
2019-06-11 14:30 ` [PATCH 01/28] powerpc/64s/exception: fix line wrap and semicolon inconsistencies in macros Nicholas Piggin
2019-07-04 15:52 ` Michael Ellerman
2019-06-11 14:30 ` [PATCH 02/28] powerpc/64s/exception: remove H concatenation for EXC_HV variants Nicholas Piggin
2019-06-11 14:30 ` [PATCH 03/28] powerpc/64s/exception: consolidate EXCEPTION_PROLOG_2 with _NORI variant Nicholas Piggin
2019-06-11 14:30 ` [PATCH 04/28] powerpc/64s/exception: move and tidy EXCEPTION_PROLOG_2 variants Nicholas Piggin
2019-06-11 14:30 ` [PATCH 05/28] powerpc/64s/exception: fix sreset KVM test code Nicholas Piggin
2019-06-11 14:30 ` [PATCH 06/28] powerpc/64s/exception: remove the "extra" macro parameter Nicholas Piggin
2019-06-19 8:40 ` Nicholas Piggin
2019-06-19 10:02 ` Michael Ellerman
2019-06-11 14:30 ` [PATCH 07/28] powerpc/64s/exception: consolidate maskable and non-maskable prologs Nicholas Piggin
2019-06-11 14:30 ` [PATCH 08/28] powerpc/64s/exception: merge KVM handler and skip variants Nicholas Piggin
2019-06-11 14:30 ` [PATCH 09/28] powerpc/64s/exception: KVM handler can set the HSRR trap bit Nicholas Piggin
2019-06-11 14:30 ` [PATCH 10/28] powerpc/64s/exception: Make EXCEPTION_PROLOG_0 a gas macro for consistency with others Nicholas Piggin
2019-06-11 14:30 ` [PATCH 11/28] powerpc/64s/exception: Move EXCEPTION_COMMON handler and return branches into callers Nicholas Piggin
2019-06-11 14:30 ` [PATCH 12/28] powerpc/64s/exception: Move EXCEPTION_COMMON additions " Nicholas Piggin
2019-06-11 14:30 ` [PATCH 13/28] powerpc/64s/exception: unwind exception-64s.h macros Nicholas Piggin
2019-06-11 14:30 ` [PATCH 14/28] powerpc/64s/exception: improve 0x500 handler code Nicholas Piggin
2019-06-11 14:30 ` [PATCH 15/28] powerpc/64s/exception: move EXCEPTION_PROLOG_2* to a more logical place Nicholas Piggin
2019-06-11 14:30 ` [PATCH 16/28] powerpc/64s/exception: remove STD_EXCEPTION_COMMON variants Nicholas Piggin
2019-06-11 14:30 ` [PATCH 17/28] powerpc/64s/exception: move KVM related code together Nicholas Piggin
2019-06-11 14:30 ` [PATCH 18/28] powerpc/64s/exception: move exception-64s.h code to exception-64s.S where it is used Nicholas Piggin
2019-06-11 14:30 ` [PATCH 19/28] powerpc/64s/exception: move head-64.h " Nicholas Piggin
2019-06-11 14:30 ` [PATCH 20/28] powerpc/64s/exception: remove __BRANCH_TO_KVM Nicholas Piggin
2019-06-11 14:30 ` [PATCH 21/28] powerpc/64s/exception: use a gas macro for system call handler code Nicholas Piggin
2019-06-11 14:30 ` [PATCH 22/28] powerpc/64s/exception: fix indenting irregularities Nicholas Piggin
2019-06-11 14:30 ` [PATCH 23/28] powerpc/64s/exception: generate regs clear instructions using .rept Nicholas Piggin
2019-06-11 14:30 ` [PATCH 24/28] powerpc/64s/exception: remove bad stack branch Nicholas Piggin
2019-06-11 14:30 ` [PATCH 25/28] powerpc/64s/exception: remove pointless EXCEPTION_PROLOG macro indirection Nicholas Piggin
2019-06-11 14:30 ` Nicholas Piggin [this message]
2019-06-11 14:30 ` [PATCH 27/28] powerpc/64s/exception: clean up system call entry Nicholas Piggin
2019-06-11 14:30 ` [PATCH 28/28] powerpc/64s/exception: avoid SPR RAW scoreboard stall in real mode entry 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=20190611143040.7834-27-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).