All of lore.kernel.org
 help / color / mirror / Atom feed
From: Michael Neuling <mikey@neuling.org>
To: Michael Neuling <mikey@neuling.org>,
	Paul Mackerras <paulus@samba.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org, Milton Miller <miltonm@bga.com>
Subject: [PATCH 3/4] powerpc: Enable MMU feature sections for inline asm
Date: Thu, 30 Apr 2009 16:58:01 +1000	[thread overview]
Message-ID: <20090430065801.B1D9712230@localhost.localdomain> (raw)
In-Reply-To: <1241074681.528764.881549582503.qpush@pale>

From: Milton Miller <miltonm@bga.com>

powerpc: Enable MMU feature sections for inline asm

This adds the ability to do MMU feature sections for inline asm.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
---

 arch/powerpc/include/asm/feature-fixups.h |   25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

Index: linux-2.6-ozlabs/arch/powerpc/include/asm/feature-fixups.h
===================================================================
--- linux-2.6-ozlabs.orig/arch/powerpc/include/asm/feature-fixups.h
+++ linux-2.6-ozlabs/arch/powerpc/include/asm/feature-fixups.h
@@ -8,8 +8,6 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#ifdef __ASSEMBLY__
-
 /*
  * Feature section common macros
  *
@@ -23,10 +21,12 @@
 /* 64 bits kernel, 32 bits code (ie. vdso32) */
 #define FTR_ENTRY_LONG		.llong
 #define FTR_ENTRY_OFFSET	.long 0xffffffff; .long
+#elif defined(CONFIG_PPC64)
+#define FTR_ENTRY_LONG		.llong
+#define FTR_ENTRY_OFFSET	.llong
 #else
-/* 64 bit kernel 64 bit code, or 32 bit kernel 32 bit code */
-#define FTR_ENTRY_LONG		PPC_LONG
-#define FTR_ENTRY_OFFSET	PPC_LONG
+#define FTR_ENTRY_LONG		.long
+#define FTR_ENTRY_OFFSET	.long
 #endif
 
 #define START_FTR_SECTION(label)	label##1:
@@ -141,6 +141,21 @@ label##5:					       	\
 #define ALT_FW_FTR_SECTION_END_IFCLR(msk)	\
 	ALT_FW_FTR_SECTION_END_NESTED_IFCLR(msk, 97)
 
+#ifndef __ASSEMBLY__
+
+#define ASM_MMU_FTR_IF(section_if, section_else, msk, val)	\
+	stringify_in_c(BEGIN_MMU_FTR_SECTION)			\
+	section_if "; "						\
+	stringify_in_c(MMU_FTR_SECTION_ELSE)			\
+	section_else "; "					\
+	stringify_in_c(ALT_MMU_FTR_SECTION_END((msk), (val)))
+
+#define ASM_MMU_FTR_IFSET(section_if, section_else, msk)	\
+	ASM_MMU_FTR_IF(section_if, section_else, (msk), (msk))
+
+#define ASM_MMU_FTR_IFCLR(section_if, section_else, msk)	\
+	ASM_MMU_FTR_IF(section_if, section_else, (msk), 0)
+
 #endif /* __ASSEMBLY__ */
 
 /* LWSYNC feature sections */

  parent reply	other threads:[~2009-04-30  6:58 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-24  6:24 [PATCH 0/2] powerpc: tlbie implementation PowerPC 2.06 Michael Neuling
2009-04-24  6:24 ` [PATCH 2/2] powerpc: Add 2.06 tlbie mnemonics Michael Neuling
2009-04-27  1:20   ` Benjamin Herrenschmidt
2009-04-27 19:30   ` Kumar Gala
2009-04-27 19:31   ` Kumar Gala
2009-04-27 19:46     ` Kumar Gala
2009-04-28  5:03       ` [PATCH 0/2] powerpc: tlbie implementation for PowerPC ISA 2.06 Michael Neuling
2009-04-28  5:03         ` [PATCH 1/2] powerpc: Enable MMU feature sections for inline asm Michael Neuling
2009-04-28  5:03         ` [PATCH 2/2] powerpc: Add 2.06 tlbie mnemonics Michael Neuling
2009-04-28 12:05           ` Kumar Gala
2009-04-28 12:40             ` Michael Neuling
2009-04-28 12:45             ` [PATCH 0/2] powerpc: tlbie implementation for PowerPC ISA 2.06 Michael Neuling
2009-04-28 12:45               ` [PATCH 1/2] powerpc: Enable MMU feature sections for inline asm Michael Neuling
2009-04-28 12:45               ` [PATCH 2/2] powerpc: Add 2.06 tlbie mnemonics Michael Neuling
2009-04-28 13:21                 ` Kumar Gala
2009-04-29  0:16                   ` Michael Neuling
2009-04-29  0:26                   ` [PATCH 0/2] powerpc: tlbie implementation for PowerPC ISA 2.06 Michael Neuling
2009-04-29  0:26                     ` [PATCH 1/2] powerpc: Enable MMU feature sections for inline asm Michael Neuling
2009-04-29  0:52                       ` Michael Ellerman
2009-04-29  7:20                         ` [PATCH 0/2] powerpc: Cleanup code in ppc-opcode.h Michael Neuling
2009-04-29  7:20                           ` [PATCH 2/2] powerpc: Move VSX load/stores into ppc-opcode.h Michael Neuling
2009-04-29 12:38                             ` Kumar Gala
2009-04-30  0:24                               ` Michael Neuling
2009-04-30  6:58                                 ` [PATCH 0/4] powerpc: tlbie implementation for PowerPC ISA 2.06 and cleanups for ppc-opcode.h Michael Neuling
2009-04-30  6:58                                   ` [PATCH 1/4] powerpc: Cleanup macros in ppc-opcode.h Michael Neuling
2009-04-30 11:27                                     ` Kumar Gala
2009-04-30  6:58                                   ` [PATCH 4/4] powerpc: Add 2.06 tlbie mnemonics Michael Neuling
2009-04-30  6:58                                   ` [PATCH 2/4] powerpc: Move VSX load/stores into ppc-opcode.h Michael Neuling
2009-04-30 11:28                                     ` Kumar Gala
2009-04-30  6:58                                   ` Michael Neuling [this message]
2009-04-29  7:20                           ` [PATCH 1/2] powerpc: Cleanup macros in ppc-opcode.h Michael Neuling
2009-04-29  7:27                           ` [PATCH 0/2] powerpc: tlbie implementation for PowerPC ISA 2.06 Michael Neuling
2009-04-29  7:27                             ` [PATCH 1/2] powerpc: Enable MMU feature sections for inline asm Michael Neuling
2009-04-29  7:27                             ` [PATCH 2/2] powerpc: Add 2.06 tlbie mnemonics Michael Neuling
2009-04-29  0:26                     ` Michael Neuling
2009-04-24  6:24 ` [PATCH 1/2] powerpc: Enable CPU feature sections for inline asm Michael Neuling

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=20090430065801.B1D9712230@localhost.localdomain \
    --to=mikey@neuling.org \
    --cc=benh@kernel.crashing.org \
    --cc=linuxppc-dev@ozlabs.org \
    --cc=miltonm@bga.com \
    --cc=paulus@samba.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.