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author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-25 19:35:19 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-25 19:35:19 +0300 |
commit | 9a8b3d5f71eb74b1b95927bd320b1070866a119a (patch) | |
tree | f2c99aeb42144f59a65b0c2aecdbddd6649bc93b /arch/mips/include/asm/war.h | |
parent | 34af78c4e616c359ed428d79fe4758a35d2c5473 (diff) | |
parent | f8f9f21c7848e63133c16c899f3d84aa54eb79fe (diff) | |
download | linux-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.h | 73 |
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 */ |