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* [PATCH 1/2] Revert "powerpc new toolchains fix (crt.S)"
@ 2010-09-07 15:10 Maxim Uvarov
  2010-09-07 15:10 ` [PATCH 2/2] Revert "Revert "powerpc new toolchains fix (crt.S)"" Maxim Uvarov
  2010-09-09  8:16 ` [PATCH 1/2] Revert "powerpc new toolchains fix (crt.S)" Simon Horman
  0 siblings, 2 replies; 5+ messages in thread
From: Maxim Uvarov @ 2010-09-07 15:10 UTC (permalink / raw)
  To: kexec; +Cc: horms

This reverts commit 45e8f29639d9f97b74389e5bd28c7a5cccbf3e2a.
purgatory/arch/ppc/crt.S and purgatory/arch/ppc/misc.S are the same
files.
Signed-off-by: Maxim Uvarov <muvarov@gmail.com>
---

 configure.ac                |    9 -
 purgatory/arch/ppc/Makefile |    1 
 purgatory/arch/ppc/crt.S    |  263 -------------------------------------------
 3 files changed, 0 insertions(+), 273 deletions(-)
 delete mode 100644 purgatory/arch/ppc/crt.S

diff --git a/configure.ac b/configure.ac
index 7f6acc6..2960c25 100644
--- a/configure.ac
+++ b/configure.ac
@@ -159,15 +159,6 @@ if test "$with_xen" = yes ; then
 		AC_MSG_NOTICE([Xen support disabled])))
 fi
 
-dnl new toolchains
-if test "$ARCH" = ppc; then
-AC_ARG_WITH([oldtoolchain],
-		AC_HELP_STRING([--with-oldtoolchain],[compile without crt.S
-			required for new toolchains]),
-		AC_DEFINE(PPC_OLDTOOLCHAIN, 1,
-			[Define to compile with old toolchains]))
-fi
-
 dnl ---Sanity checks
 if test "$CC"      = "no"; then AC_MSG_ERROR([cc not found]); fi
 if test "$CPP"     = "no"; then AC_MSG_ERROR([cpp not found]); fi
diff --git a/purgatory/arch/ppc/Makefile b/purgatory/arch/ppc/Makefile
index 4020778..72289a0 100644
--- a/purgatory/arch/ppc/Makefile
+++ b/purgatory/arch/ppc/Makefile
@@ -6,7 +6,6 @@ ppc_PURGATORY_SRCS += purgatory/arch/ppc/v2wrap_32.S
 ppc_PURGATORY_SRCS += purgatory/arch/ppc/misc.S
 ppc_PURGATORY_SRCS += purgatory/arch/ppc/purgatory-ppc.c
 ppc_PURGATORY_SRCS += purgatory/arch/ppc/console-ppc.c
-ppc_PURGATORY_SRCS += purgatory/arch/ppc/crt.S
 
 dist += purgatory/arch/ppc/Makefile $(ppc_PURGATORY_SRCS)		\
 	purgatory/arch/ppc/purgatory-ppc.h purgatory/arch/ppc/ppc_asm.h
diff --git a/purgatory/arch/ppc/crt.S b/purgatory/arch/ppc/crt.S
deleted file mode 100644
index 70f4d61..0000000
--- a/purgatory/arch/ppc/crt.S
+++ /dev/null
@@ -1,263 +0,0 @@
-/* This is from linux-2.6/arch/powerpc/lib/crtsavres.S:
- *
- * Special support for eabi and SVR4
- *
- *   Copyright (C) 1995, 1996, 1998, 2000, 2001 Free Software Foundation, Inc.
- *   Copyright 2008 Freescale Semiconductor, Inc.
- *   Written By Michael Meissner
- *
- * Based on gcc/config/rs6000/crtsavres.asm from gcc
- *
- * This file is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * In addition to the permissions in the GNU General Public License, the
- * Free Software Foundation gives you unlimited permission to link the
- * compiled version of this file with other programs, and to distribute
- * those programs without any restriction coming from the use of this
- * file.  (The General Public License restrictions do apply in other
- * respects; for example, they cover modification of the file, and
- * distribution when not linked into another program.)
- *
- * This file is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; see the file COPYING.  If not, write to
- * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- *    As a special exception, if you link this library with files
- *    compiled with GCC to produce an executable, this does not cause
- *    the resulting executable to be covered by the GNU General Public License.
- *    This exception does not however invalidate any other reasons why
- *    the executable file might be covered by the GNU General Public License.
- */
-#include "config.h"
-
-/* On PowerPC64 Linux, these functions are provided by the linker.  */
-#ifndef PPC_OLDTOOLCHAIN
-#ifndef __powerpc64__
-#define _GLOBAL(name) \
-	.type name,@function; \
-	.globl name; \
-name:
-
-/* Routines for saving integer registers, called by the compiler.  */
-/* Called with r11 pointing to the stack header word of the caller of the */
-/* function, just beyond the end of the integer save area.  */
-
-_GLOBAL(_savegpr_14)
-_GLOBAL(_save32gpr_14)
-	stw	14,-72(11)	/* save gp registers */
-_GLOBAL(_savegpr_15)
-_GLOBAL(_save32gpr_15)
-	stw	15,-68(11)
-_GLOBAL(_savegpr_16)
-_GLOBAL(_save32gpr_16)
-	stw	16,-64(11)
-_GLOBAL(_savegpr_17)
-_GLOBAL(_save32gpr_17)
-	stw	17,-60(11)
-_GLOBAL(_savegpr_18)
-_GLOBAL(_save32gpr_18)
-	stw	18,-56(11)
-_GLOBAL(_savegpr_19)
-_GLOBAL(_save32gpr_19)
-	stw	19,-52(11)
-_GLOBAL(_savegpr_20)
-_GLOBAL(_save32gpr_20)
-	stw	20,-48(11)
-_GLOBAL(_savegpr_21)
-_GLOBAL(_save32gpr_21)
-	stw	21,-44(11)
-_GLOBAL(_savegpr_22)
-_GLOBAL(_save32gpr_22)
-	stw	22,-40(11)
-_GLOBAL(_savegpr_23)
-_GLOBAL(_save32gpr_23)
-	stw	23,-36(11)
-_GLOBAL(_savegpr_24)
-_GLOBAL(_save32gpr_24)
-	stw	24,-32(11)
-_GLOBAL(_savegpr_25)
-_GLOBAL(_save32gpr_25)
-	stw	25,-28(11)
-_GLOBAL(_savegpr_26)
-_GLOBAL(_save32gpr_26)
-	stw	26,-24(11)
-_GLOBAL(_savegpr_27)
-_GLOBAL(_save32gpr_27)
-	stw	27,-20(11)
-_GLOBAL(_savegpr_28)
-_GLOBAL(_save32gpr_28)
-	stw	28,-16(11)
-_GLOBAL(_savegpr_29)
-_GLOBAL(_save32gpr_29)
-	stw	29,-12(11)
-_GLOBAL(_savegpr_30)
-_GLOBAL(_save32gpr_30)
-	stw	30,-8(11)
-_GLOBAL(_savegpr_31)
-_GLOBAL(_save32gpr_31)
-	stw	31,-4(11)
-	blr
-
-/* Routines for restoring integer registers, called by the compiler.  */
-/* Called with r11 pointing to the stack header word of the caller of the */
-/* function, just beyond the end of the integer restore area.  */
-
-_GLOBAL(_restgpr_14)
-_GLOBAL(_rest32gpr_14)
-	lwz	14,-72(11)	/* restore gp registers */
-_GLOBAL(_restgpr_15)
-_GLOBAL(_rest32gpr_15)
-	lwz	15,-68(11)
-_GLOBAL(_restgpr_16)
-_GLOBAL(_rest32gpr_16)
-	lwz	16,-64(11)
-_GLOBAL(_restgpr_17)
-_GLOBAL(_rest32gpr_17)
-	lwz	17,-60(11)
-_GLOBAL(_restgpr_18)
-_GLOBAL(_rest32gpr_18)
-	lwz	18,-56(11)
-_GLOBAL(_restgpr_19)
-_GLOBAL(_rest32gpr_19)
-	lwz	19,-52(11)
-_GLOBAL(_restgpr_20)
-_GLOBAL(_rest32gpr_20)
-	lwz	20,-48(11)
-_GLOBAL(_restgpr_21)
-_GLOBAL(_rest32gpr_21)
-	lwz	21,-44(11)
-_GLOBAL(_restgpr_22)
-_GLOBAL(_rest32gpr_22)
-	lwz	22,-40(11)
-_GLOBAL(_restgpr_23)
-_GLOBAL(_rest32gpr_23)
-	lwz	23,-36(11)
-_GLOBAL(_restgpr_24)
-_GLOBAL(_rest32gpr_24)
-	lwz	24,-32(11)
-_GLOBAL(_restgpr_25)
-_GLOBAL(_rest32gpr_25)
-	lwz	25,-28(11)
-_GLOBAL(_restgpr_26)
-_GLOBAL(_rest32gpr_26)
-	lwz	26,-24(11)
-_GLOBAL(_restgpr_27)
-_GLOBAL(_rest32gpr_27)
-	lwz	27,-20(11)
-_GLOBAL(_restgpr_28)
-_GLOBAL(_rest32gpr_28)
-	lwz	28,-16(11)
-_GLOBAL(_restgpr_29)
-_GLOBAL(_rest32gpr_29)
-	lwz	29,-12(11)
-_GLOBAL(_restgpr_30)
-_GLOBAL(_rest32gpr_30)
-	lwz	30,-8(11)
-_GLOBAL(_restgpr_31)
-_GLOBAL(_rest32gpr_31)
-	lwz	31,-4(11)
-	blr
-
-/* Routines for restoring integer registers, called by the compiler.  */
-/* Called with r11 pointing to the stack header word of the caller of the */
-/* function, just beyond the end of the integer restore area.  */
-
-_GLOBAL(_restgpr_14_x)
-_GLOBAL(_rest32gpr_14_x)
-	lwz	14,-72(11)	/* restore gp registers */
-_GLOBAL(_restgpr_15_x)
-_GLOBAL(_rest32gpr_15_x)
-	lwz	15,-68(11)
-_GLOBAL(_restgpr_16_x)
-_GLOBAL(_rest32gpr_16_x)
-	lwz	16,-64(11)
-_GLOBAL(_restgpr_17_x)
-_GLOBAL(_rest32gpr_17_x)
-	lwz	17,-60(11)
-_GLOBAL(_restgpr_18_x)
-_GLOBAL(_rest32gpr_18_x)
-	lwz	18,-56(11)
-_GLOBAL(_restgpr_19_x)
-_GLOBAL(_rest32gpr_19_x)
-	lwz	19,-52(11)
-_GLOBAL(_restgpr_20_x)
-_GLOBAL(_rest32gpr_20_x)
-	lwz	20,-48(11)
-_GLOBAL(_restgpr_21_x)
-_GLOBAL(_rest32gpr_21_x)
-	lwz	21,-44(11)
-_GLOBAL(_restgpr_22_x)
-_GLOBAL(_rest32gpr_22_x)
-	lwz	22,-40(11)
-_GLOBAL(_restgpr_23_x)
-_GLOBAL(_rest32gpr_23_x)
-	lwz	23,-36(11)
-_GLOBAL(_restgpr_24_x)
-_GLOBAL(_rest32gpr_24_x)
-	lwz	24,-32(11)
-_GLOBAL(_restgpr_25_x)
-_GLOBAL(_rest32gpr_25_x)
-	lwz	25,-28(11)
-_GLOBAL(_restgpr_26_x)
-_GLOBAL(_rest32gpr_26_x)
-	lwz	26,-24(11)
-_GLOBAL(_restgpr_27_x)
-_GLOBAL(_rest32gpr_27_x)
-	lwz	27,-20(11)
-_GLOBAL(_restgpr_28_x)
-_GLOBAL(_rest32gpr_28_x)
-	lwz	28,-16(11)
-_GLOBAL(_restgpr_29_x)
-_GLOBAL(_rest32gpr_29_x)
-	lwz	29,-12(11)
-_GLOBAL(_restgpr_30_x)
-_GLOBAL(_rest32gpr_30_x)
-	lwz	30,-8(11)
-_GLOBAL(_restgpr_31_x)
-_GLOBAL(_rest32gpr_31_x)
-	lwz	0,4(11)
-	lwz	31,-4(11)
-	mtlr	0
-	mr	1,11
-	blr
-
-/* This is from linux-2.6/arch/powerpc/kernel/misc_32.S
- * 
- * This file contains miscellaneous low-level functions.
- *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
- *
- * Largely rewritten by Cort Dougan (cort@cs.nmt.edu)
- * and Paul Mackerras.
- *
- * kexec bits:
- * Copyright (C) 2002-2003 Eric Biederman  <ebiederm@xmission.com>
- * GameCube/ppc32 port Copyright (C) 2004 Albert Herranz
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- */
-
-_GLOBAL(__lshrdi3)
-	subfic	6,5,32
-	srw	4,4,5	# LSW = count > 31 ? 0 : LSW >> count
-	addi	7,5,32	# could be xori, or addi with -32
-	slw	6,3,6	# t1 = count > 31 ? 0 : MSW << (32-count)
-	srw	7,3,7	# t2 = count < 32 ? 0 : MSW >> (count-32)
-	or	4,4,6	# LSW |= t1
-	srw	3,3,5	# MSW = MSW >> count
-	or	4,4,7	# LSW |= t2
-	blr
-#endif
-#endif


Best regards,
Maxim Uvarov.



_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec

^ permalink raw reply related	[flat|nested] 5+ messages in thread
* [PATCH 2/2] Revert "Revert "powerpc new toolchains fix (crt.S)""
  2010-09-07 15:10 [PATCH 1/2] Revert "powerpc new toolchains fix (crt.S)" Maxim Uvarov
@ 2010-09-07 15:10 ` Maxim Uvarov
  2010-09-09  8:16 ` [PATCH 1/2] Revert "powerpc new toolchains fix (crt.S)" Simon Horman
  1 sibling, 0 replies; 5+ messages in thread
From: Maxim Uvarov @ 2010-09-07 15:10 UTC (permalink / raw)
  To: kexec; +Cc: horms

Revert the revert patch specially made to remove
45e8f29639d9f97b74389e5bd28c7a5cccbf3e2a commit from git tree.

This reverts commit c42b92cd1f3c6c2e812bd1fcc4203672f3b6d461.
Revert "powerpc new toolchains fix (crt.S)"

This reverts commit 45e8f29639d9f97b74389e5bd28c7a5cccbf3e2a.
purgatory/arch/ppc/crt.S and purgatory/arch/ppc/misc.S are the same
files.
Signed-off-by: Maxim Uvarov <muvarov@gmail.com>
---

 configure.ac                |    9 +
 purgatory/arch/ppc/Makefile |    1 
 purgatory/arch/ppc/crt.S    |  263 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 273 insertions(+), 0 deletions(-)
 create mode 100644 purgatory/arch/ppc/crt.S

diff --git a/configure.ac b/configure.ac
index 2960c25..7f6acc6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -159,6 +159,15 @@ if test "$with_xen" = yes ; then
 		AC_MSG_NOTICE([Xen support disabled])))
 fi
 
+dnl new toolchains
+if test "$ARCH" = ppc; then
+AC_ARG_WITH([oldtoolchain],
+		AC_HELP_STRING([--with-oldtoolchain],[compile without crt.S
+			required for new toolchains]),
+		AC_DEFINE(PPC_OLDTOOLCHAIN, 1,
+			[Define to compile with old toolchains]))
+fi
+
 dnl ---Sanity checks
 if test "$CC"      = "no"; then AC_MSG_ERROR([cc not found]); fi
 if test "$CPP"     = "no"; then AC_MSG_ERROR([cpp not found]); fi
diff --git a/purgatory/arch/ppc/Makefile b/purgatory/arch/ppc/Makefile
index 72289a0..4020778 100644
--- a/purgatory/arch/ppc/Makefile
+++ b/purgatory/arch/ppc/Makefile
@@ -6,6 +6,7 @@ ppc_PURGATORY_SRCS += purgatory/arch/ppc/v2wrap_32.S
 ppc_PURGATORY_SRCS += purgatory/arch/ppc/misc.S
 ppc_PURGATORY_SRCS += purgatory/arch/ppc/purgatory-ppc.c
 ppc_PURGATORY_SRCS += purgatory/arch/ppc/console-ppc.c
+ppc_PURGATORY_SRCS += purgatory/arch/ppc/crt.S
 
 dist += purgatory/arch/ppc/Makefile $(ppc_PURGATORY_SRCS)		\
 	purgatory/arch/ppc/purgatory-ppc.h purgatory/arch/ppc/ppc_asm.h
diff --git a/purgatory/arch/ppc/crt.S b/purgatory/arch/ppc/crt.S
new file mode 100644
index 0000000..70f4d61
--- /dev/null
+++ b/purgatory/arch/ppc/crt.S
@@ -0,0 +1,263 @@
+/* This is from linux-2.6/arch/powerpc/lib/crtsavres.S:
+ *
+ * Special support for eabi and SVR4
+ *
+ *   Copyright (C) 1995, 1996, 1998, 2000, 2001 Free Software Foundation, Inc.
+ *   Copyright 2008 Freescale Semiconductor, Inc.
+ *   Written By Michael Meissner
+ *
+ * Based on gcc/config/rs6000/crtsavres.asm from gcc
+ *
+ * This file is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * In addition to the permissions in the GNU General Public License, the
+ * Free Software Foundation gives you unlimited permission to link the
+ * compiled version of this file with other programs, and to distribute
+ * those programs without any restriction coming from the use of this
+ * file.  (The General Public License restrictions do apply in other
+ * respects; for example, they cover modification of the file, and
+ * distribution when not linked into another program.)
+ *
+ * This file is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ *    As a special exception, if you link this library with files
+ *    compiled with GCC to produce an executable, this does not cause
+ *    the resulting executable to be covered by the GNU General Public License.
+ *    This exception does not however invalidate any other reasons why
+ *    the executable file might be covered by the GNU General Public License.
+ */
+#include "config.h"
+
+/* On PowerPC64 Linux, these functions are provided by the linker.  */
+#ifndef PPC_OLDTOOLCHAIN
+#ifndef __powerpc64__
+#define _GLOBAL(name) \
+	.type name,@function; \
+	.globl name; \
+name:
+
+/* Routines for saving integer registers, called by the compiler.  */
+/* Called with r11 pointing to the stack header word of the caller of the */
+/* function, just beyond the end of the integer save area.  */
+
+_GLOBAL(_savegpr_14)
+_GLOBAL(_save32gpr_14)
+	stw	14,-72(11)	/* save gp registers */
+_GLOBAL(_savegpr_15)
+_GLOBAL(_save32gpr_15)
+	stw	15,-68(11)
+_GLOBAL(_savegpr_16)
+_GLOBAL(_save32gpr_16)
+	stw	16,-64(11)
+_GLOBAL(_savegpr_17)
+_GLOBAL(_save32gpr_17)
+	stw	17,-60(11)
+_GLOBAL(_savegpr_18)
+_GLOBAL(_save32gpr_18)
+	stw	18,-56(11)
+_GLOBAL(_savegpr_19)
+_GLOBAL(_save32gpr_19)
+	stw	19,-52(11)
+_GLOBAL(_savegpr_20)
+_GLOBAL(_save32gpr_20)
+	stw	20,-48(11)
+_GLOBAL(_savegpr_21)
+_GLOBAL(_save32gpr_21)
+	stw	21,-44(11)
+_GLOBAL(_savegpr_22)
+_GLOBAL(_save32gpr_22)
+	stw	22,-40(11)
+_GLOBAL(_savegpr_23)
+_GLOBAL(_save32gpr_23)
+	stw	23,-36(11)
+_GLOBAL(_savegpr_24)
+_GLOBAL(_save32gpr_24)
+	stw	24,-32(11)
+_GLOBAL(_savegpr_25)
+_GLOBAL(_save32gpr_25)
+	stw	25,-28(11)
+_GLOBAL(_savegpr_26)
+_GLOBAL(_save32gpr_26)
+	stw	26,-24(11)
+_GLOBAL(_savegpr_27)
+_GLOBAL(_save32gpr_27)
+	stw	27,-20(11)
+_GLOBAL(_savegpr_28)
+_GLOBAL(_save32gpr_28)
+	stw	28,-16(11)
+_GLOBAL(_savegpr_29)
+_GLOBAL(_save32gpr_29)
+	stw	29,-12(11)
+_GLOBAL(_savegpr_30)
+_GLOBAL(_save32gpr_30)
+	stw	30,-8(11)
+_GLOBAL(_savegpr_31)
+_GLOBAL(_save32gpr_31)
+	stw	31,-4(11)
+	blr
+
+/* Routines for restoring integer registers, called by the compiler.  */
+/* Called with r11 pointing to the stack header word of the caller of the */
+/* function, just beyond the end of the integer restore area.  */
+
+_GLOBAL(_restgpr_14)
+_GLOBAL(_rest32gpr_14)
+	lwz	14,-72(11)	/* restore gp registers */
+_GLOBAL(_restgpr_15)
+_GLOBAL(_rest32gpr_15)
+	lwz	15,-68(11)
+_GLOBAL(_restgpr_16)
+_GLOBAL(_rest32gpr_16)
+	lwz	16,-64(11)
+_GLOBAL(_restgpr_17)
+_GLOBAL(_rest32gpr_17)
+	lwz	17,-60(11)
+_GLOBAL(_restgpr_18)
+_GLOBAL(_rest32gpr_18)
+	lwz	18,-56(11)
+_GLOBAL(_restgpr_19)
+_GLOBAL(_rest32gpr_19)
+	lwz	19,-52(11)
+_GLOBAL(_restgpr_20)
+_GLOBAL(_rest32gpr_20)
+	lwz	20,-48(11)
+_GLOBAL(_restgpr_21)
+_GLOBAL(_rest32gpr_21)
+	lwz	21,-44(11)
+_GLOBAL(_restgpr_22)
+_GLOBAL(_rest32gpr_22)
+	lwz	22,-40(11)
+_GLOBAL(_restgpr_23)
+_GLOBAL(_rest32gpr_23)
+	lwz	23,-36(11)
+_GLOBAL(_restgpr_24)
+_GLOBAL(_rest32gpr_24)
+	lwz	24,-32(11)
+_GLOBAL(_restgpr_25)
+_GLOBAL(_rest32gpr_25)
+	lwz	25,-28(11)
+_GLOBAL(_restgpr_26)
+_GLOBAL(_rest32gpr_26)
+	lwz	26,-24(11)
+_GLOBAL(_restgpr_27)
+_GLOBAL(_rest32gpr_27)
+	lwz	27,-20(11)
+_GLOBAL(_restgpr_28)
+_GLOBAL(_rest32gpr_28)
+	lwz	28,-16(11)
+_GLOBAL(_restgpr_29)
+_GLOBAL(_rest32gpr_29)
+	lwz	29,-12(11)
+_GLOBAL(_restgpr_30)
+_GLOBAL(_rest32gpr_30)
+	lwz	30,-8(11)
+_GLOBAL(_restgpr_31)
+_GLOBAL(_rest32gpr_31)
+	lwz	31,-4(11)
+	blr
+
+/* Routines for restoring integer registers, called by the compiler.  */
+/* Called with r11 pointing to the stack header word of the caller of the */
+/* function, just beyond the end of the integer restore area.  */
+
+_GLOBAL(_restgpr_14_x)
+_GLOBAL(_rest32gpr_14_x)
+	lwz	14,-72(11)	/* restore gp registers */
+_GLOBAL(_restgpr_15_x)
+_GLOBAL(_rest32gpr_15_x)
+	lwz	15,-68(11)
+_GLOBAL(_restgpr_16_x)
+_GLOBAL(_rest32gpr_16_x)
+	lwz	16,-64(11)
+_GLOBAL(_restgpr_17_x)
+_GLOBAL(_rest32gpr_17_x)
+	lwz	17,-60(11)
+_GLOBAL(_restgpr_18_x)
+_GLOBAL(_rest32gpr_18_x)
+	lwz	18,-56(11)
+_GLOBAL(_restgpr_19_x)
+_GLOBAL(_rest32gpr_19_x)
+	lwz	19,-52(11)
+_GLOBAL(_restgpr_20_x)
+_GLOBAL(_rest32gpr_20_x)
+	lwz	20,-48(11)
+_GLOBAL(_restgpr_21_x)
+_GLOBAL(_rest32gpr_21_x)
+	lwz	21,-44(11)
+_GLOBAL(_restgpr_22_x)
+_GLOBAL(_rest32gpr_22_x)
+	lwz	22,-40(11)
+_GLOBAL(_restgpr_23_x)
+_GLOBAL(_rest32gpr_23_x)
+	lwz	23,-36(11)
+_GLOBAL(_restgpr_24_x)
+_GLOBAL(_rest32gpr_24_x)
+	lwz	24,-32(11)
+_GLOBAL(_restgpr_25_x)
+_GLOBAL(_rest32gpr_25_x)
+	lwz	25,-28(11)
+_GLOBAL(_restgpr_26_x)
+_GLOBAL(_rest32gpr_26_x)
+	lwz	26,-24(11)
+_GLOBAL(_restgpr_27_x)
+_GLOBAL(_rest32gpr_27_x)
+	lwz	27,-20(11)
+_GLOBAL(_restgpr_28_x)
+_GLOBAL(_rest32gpr_28_x)
+	lwz	28,-16(11)
+_GLOBAL(_restgpr_29_x)
+_GLOBAL(_rest32gpr_29_x)
+	lwz	29,-12(11)
+_GLOBAL(_restgpr_30_x)
+_GLOBAL(_rest32gpr_30_x)
+	lwz	30,-8(11)
+_GLOBAL(_restgpr_31_x)
+_GLOBAL(_rest32gpr_31_x)
+	lwz	0,4(11)
+	lwz	31,-4(11)
+	mtlr	0
+	mr	1,11
+	blr
+
+/* This is from linux-2.6/arch/powerpc/kernel/misc_32.S
+ * 
+ * This file contains miscellaneous low-level functions.
+ *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
+ *
+ * Largely rewritten by Cort Dougan (cort@cs.nmt.edu)
+ * and Paul Mackerras.
+ *
+ * kexec bits:
+ * Copyright (C) 2002-2003 Eric Biederman  <ebiederm@xmission.com>
+ * GameCube/ppc32 port Copyright (C) 2004 Albert Herranz
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+
+_GLOBAL(__lshrdi3)
+	subfic	6,5,32
+	srw	4,4,5	# LSW = count > 31 ? 0 : LSW >> count
+	addi	7,5,32	# could be xori, or addi with -32
+	slw	6,3,6	# t1 = count > 31 ? 0 : MSW << (32-count)
+	srw	7,3,7	# t2 = count < 32 ? 0 : MSW >> (count-32)
+	or	4,4,6	# LSW |= t1
+	srw	3,3,5	# MSW = MSW >> count
+	or	4,4,7	# LSW |= t2
+	blr
+#endif
+#endif


Best regards,
Maxim Uvarov.



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kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec

^ permalink raw reply related	[flat|nested] 5+ messages in thread
* Re: [PATCH 1/2] Revert "powerpc new toolchains fix (crt.S)"
  2010-09-07 15:10 [PATCH 1/2] Revert "powerpc new toolchains fix (crt.S)" Maxim Uvarov
  2010-09-07 15:10 ` [PATCH 2/2] Revert "Revert "powerpc new toolchains fix (crt.S)"" Maxim Uvarov
@ 2010-09-09  8:16 ` Simon Horman
  2010-09-13 12:11   ` Maxim Uvarov
  1 sibling, 1 reply; 5+ messages in thread
From: Simon Horman @ 2010-09-09  8:16 UTC (permalink / raw)
  To: Maxim Uvarov; +Cc: kexec

On Tue, Sep 07, 2010 at 07:10:25PM +0400, Maxim Uvarov wrote:
> This reverts commit 45e8f29639d9f97b74389e5bd28c7a5cccbf3e2a.
> purgatory/arch/ppc/crt.S and purgatory/arch/ppc/misc.S are the same
> files.

Thanks, applied both patches.

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kexec mailing list
kexec@lists.infradead.org
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^ permalink raw reply	[flat|nested] 5+ messages in thread
* Re: [PATCH 1/2] Revert "powerpc new toolchains fix (crt.S)"
  2010-09-09  8:16 ` [PATCH 1/2] Revert "powerpc new toolchains fix (crt.S)" Simon Horman
@ 2010-09-13 12:11   ` Maxim Uvarov
  2010-09-13 13:20     ` Simon Horman
  0 siblings, 1 reply; 5+ messages in thread
From: Maxim Uvarov @ 2010-09-13 12:11 UTC (permalink / raw)
  To: Simon Horman; +Cc: kexec

2010/9/9 Simon Horman <horms@verge.net.au>:
> On Tue, Sep 07, 2010 at 07:10:25PM +0400, Maxim Uvarov wrote:
>> This reverts commit 45e8f29639d9f97b74389e5bd28c7a5cccbf3e2a.
>> purgatory/arch/ppc/crt.S and purgatory/arch/ppc/misc.S are the same
>> files.
>
> Thanks, applied both patches.
>

Thanks, we had some misunderstanding there and committed 3 patches
instead of one.
But now crt.S is out of the tree and it is ok. Powerpc code is
compilable without any specific
options.

-- 
Best regards,
Maxim Uvarov

_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec

^ permalink raw reply	[flat|nested] 5+ messages in thread
* Re: [PATCH 1/2] Revert "powerpc new toolchains fix (crt.S)"
  2010-09-13 12:11   ` Maxim Uvarov
@ 2010-09-13 13:20     ` Simon Horman
  0 siblings, 0 replies; 5+ messages in thread
From: Simon Horman @ 2010-09-13 13:20 UTC (permalink / raw)
  To: Maxim Uvarov; +Cc: kexec

On Mon, Sep 13, 2010 at 04:11:06PM +0400, Maxim Uvarov wrote:
> 2010/9/9 Simon Horman <horms@verge.net.au>:
> > On Tue, Sep 07, 2010 at 07:10:25PM +0400, Maxim Uvarov wrote:
> >> This reverts commit 45e8f29639d9f97b74389e5bd28c7a5cccbf3e2a.
> >> purgatory/arch/ppc/crt.S and purgatory/arch/ppc/misc.S are the same
> >> files.
> >
> > Thanks, applied both patches.
> >
> 
> Thanks, we had some misunderstanding there and committed 3 patches
> instead of one.

Sorry about that.

> But now crt.S is out of the tree and it is ok. Powerpc code is
> compilable without any specific
> options.

:-)


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kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec

^ permalink raw reply	[flat|nested] 5+ messages in thread
end of thread, other threads:[~2010-09-13 13:20 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2010-09-07 15:10 [PATCH 1/2] Revert "powerpc new toolchains fix (crt.S)" Maxim Uvarov
2010-09-07 15:10 ` [PATCH 2/2] Revert "Revert "powerpc new toolchains fix (crt.S)"" Maxim Uvarov
2010-09-09  8:16 ` [PATCH 1/2] Revert "powerpc new toolchains fix (crt.S)" Simon Horman
2010-09-13 12:11   ` Maxim Uvarov
2010-09-13 13:20     ` Simon Horman

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