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authorLinus Torvalds <torvalds@linux-foundation.org>2022-03-25 19:35:19 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-25 19:35:19 +0300
commit9a8b3d5f71eb74b1b95927bd320b1070866a119a (patch)
treef2c99aeb42144f59a65b0c2aecdbddd6649bc93b /arch/mips/include/asm/war.h
parent34af78c4e616c359ed428d79fe4758a35d2c5473 (diff)
parentf8f9f21c7848e63133c16c899f3d84aa54eb79fe (diff)
downloadlinux-9a8b3d5f71eb74b1b95927bd320b1070866a119a.tar.xz
Merge tag 'mips_5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer: - added support for QCN550x (ath79) - enabled KCSAN - removed TX39XX support - various cleanups and fixes * tag 'mips_5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (31 commits) MIPS: Fix build error for loongson64 and sgi-ip27 MIPS: ingenic: correct unit node address MIPS: Fix wrong comments in asm/prom.h MIPS: Remove redundant definitions of device_tree_init() MIPS: Remove redundant check in device_tree_init() MIPS: pgalloc: fix memory leak caused by pgd_free() MIPS: RB532: fix return value of __setup handler MIPS: Only use current_stack_pointer on GCC MIPS: boot/compressed: Use array reference for image bounds mips: cdmm: Fix refcount leak in mips_cdmm_phys_base mips: remove reference to "newer Loongson-3" mips: Always permit to build u-boot images MIPS: Sanitise Cavium switch cases in TLB handler synthesizers DEC: Limit PMAX memory probing to R3k systems mips: DEC: honor CONFIG_MIPS_FP_SUPPORT=n MIPS: fix fortify panic when copying asm exception handlers mips: ralink: fix a refcount leak in ill_acc_of_setup() mips: Implement "current_stack_pointer" MIPS: Remove TX39XX support MIPS: Modernize READ_IMPLIES_EXEC ...
Diffstat (limited to 'arch/mips/include/asm/war.h')
-rw-r--r--arch/mips/include/asm/war.h73
1 files changed, 0 insertions, 73 deletions
diff --git a/arch/mips/include/asm/war.h b/arch/mips/include/asm/war.h
deleted file mode 100644
index 21443f096238..000000000000
--- a/arch/mips/include/asm/war.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2002, 2004, 2007 by Ralf Baechle
- * Copyright (C) 2007 Maciej W. Rozycki
- */
-#ifndef _ASM_WAR_H
-#define _ASM_WAR_H
-
-/*
- * Work around certain R4000 CPU errata (as implemented by GCC):
- *
- * - A double-word or a variable shift may give an incorrect result
- * if executed immediately after starting an integer division:
- * "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
- * erratum #28
- * "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
- * #19
- *
- * - A double-word or a variable shift may give an incorrect result
- * if executed while an integer multiplication is in progress:
- * "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
- * errata #16 & #28
- *
- * - An integer division may give an incorrect result if started in
- * a delay slot of a taken branch or a jump:
- * "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
- * erratum #52
- */
-#ifdef CONFIG_CPU_R4000_WORKAROUNDS
-#define R4000_WAR 1
-#else
-#define R4000_WAR 0
-#endif
-
-/*
- * Work around certain R4400 CPU errata (as implemented by GCC):
- *
- * - A double-word or a variable shift may give an incorrect result
- * if executed immediately after starting an integer division:
- * "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10
- * "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4
- */
-#ifdef CONFIG_CPU_R4400_WORKAROUNDS
-#define R4400_WAR 1
-#else
-#define R4400_WAR 0
-#endif
-
-/*
- * Work around the "daddi" and "daddiu" CPU errata:
- *
- * - The `daddi' instruction fails to trap on overflow.
- * "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
- * erratum #23
- *
- * - The `daddiu' instruction can produce an incorrect result.
- * "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
- * erratum #41
- * "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
- * #15
- * "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7
- * "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5
- */
-#ifdef CONFIG_CPU_DADDI_WORKAROUNDS
-#define DADDI_WAR 1
-#else
-#define DADDI_WAR 0
-#endif
-
-#endif /* _ASM_WAR_H */