License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-01 22:07:57 +08:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2008-04-28 15:47:20 +08:00
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/* These get patched into the trap table at boot time
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* once we know we have a cheetah processor.
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*/
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.globl cheetah_fecc_trap_vector
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.type cheetah_fecc_trap_vector,#function
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cheetah_fecc_trap_vector:
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membar #Sync
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ldxa [%g0] ASI_DCU_CONTROL_REG, %g1
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andn %g1, DCU_DC | DCU_IC, %g1
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stxa %g1, [%g0] ASI_DCU_CONTROL_REG
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membar #Sync
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sethi %hi(cheetah_fast_ecc), %g2
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jmpl %g2 + %lo(cheetah_fast_ecc), %g0
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mov 0, %g1
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.size cheetah_fecc_trap_vector,.-cheetah_fecc_trap_vector
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.globl cheetah_fecc_trap_vector_tl1
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.type cheetah_fecc_trap_vector_tl1,#function
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cheetah_fecc_trap_vector_tl1:
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membar #Sync
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ldxa [%g0] ASI_DCU_CONTROL_REG, %g1
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andn %g1, DCU_DC | DCU_IC, %g1
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stxa %g1, [%g0] ASI_DCU_CONTROL_REG
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membar #Sync
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sethi %hi(cheetah_fast_ecc), %g2
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jmpl %g2 + %lo(cheetah_fast_ecc), %g0
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mov 1, %g1
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.size cheetah_fecc_trap_vector_tl1,.-cheetah_fecc_trap_vector_tl1
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.globl cheetah_cee_trap_vector
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.type cheetah_cee_trap_vector,#function
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cheetah_cee_trap_vector:
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membar #Sync
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ldxa [%g0] ASI_DCU_CONTROL_REG, %g1
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andn %g1, DCU_IC, %g1
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stxa %g1, [%g0] ASI_DCU_CONTROL_REG
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membar #Sync
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sethi %hi(cheetah_cee), %g2
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jmpl %g2 + %lo(cheetah_cee), %g0
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mov 0, %g1
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.size cheetah_cee_trap_vector,.-cheetah_cee_trap_vector
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.globl cheetah_cee_trap_vector_tl1
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.type cheetah_cee_trap_vector_tl1,#function
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cheetah_cee_trap_vector_tl1:
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membar #Sync
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ldxa [%g0] ASI_DCU_CONTROL_REG, %g1
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andn %g1, DCU_IC, %g1
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stxa %g1, [%g0] ASI_DCU_CONTROL_REG
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membar #Sync
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sethi %hi(cheetah_cee), %g2
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jmpl %g2 + %lo(cheetah_cee), %g0
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mov 1, %g1
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.size cheetah_cee_trap_vector_tl1,.-cheetah_cee_trap_vector_tl1
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.globl cheetah_deferred_trap_vector
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.type cheetah_deferred_trap_vector,#function
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cheetah_deferred_trap_vector:
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membar #Sync
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ldxa [%g0] ASI_DCU_CONTROL_REG, %g1;
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andn %g1, DCU_DC | DCU_IC, %g1;
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stxa %g1, [%g0] ASI_DCU_CONTROL_REG;
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membar #Sync;
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sethi %hi(cheetah_deferred_trap), %g2
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jmpl %g2 + %lo(cheetah_deferred_trap), %g0
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mov 0, %g1
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.size cheetah_deferred_trap_vector,.-cheetah_deferred_trap_vector
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.globl cheetah_deferred_trap_vector_tl1
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.type cheetah_deferred_trap_vector_tl1,#function
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cheetah_deferred_trap_vector_tl1:
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membar #Sync;
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ldxa [%g0] ASI_DCU_CONTROL_REG, %g1;
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andn %g1, DCU_DC | DCU_IC, %g1;
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stxa %g1, [%g0] ASI_DCU_CONTROL_REG;
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membar #Sync;
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sethi %hi(cheetah_deferred_trap), %g2
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jmpl %g2 + %lo(cheetah_deferred_trap), %g0
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mov 1, %g1
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.size cheetah_deferred_trap_vector_tl1,.-cheetah_deferred_trap_vector_tl1
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/* Cheetah+ specific traps. These are for the new I/D cache parity
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* error traps. The first argument to cheetah_plus_parity_handler
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* is encoded as follows:
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*
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* Bit0: 0=dcache,1=icache
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* Bit1: 0=recoverable,1=unrecoverable
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*/
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.globl cheetah_plus_dcpe_trap_vector
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.type cheetah_plus_dcpe_trap_vector,#function
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cheetah_plus_dcpe_trap_vector:
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membar #Sync
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sethi %hi(do_cheetah_plus_data_parity), %g7
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jmpl %g7 + %lo(do_cheetah_plus_data_parity), %g0
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nop
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nop
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nop
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nop
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nop
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.size cheetah_plus_dcpe_trap_vector,.-cheetah_plus_dcpe_trap_vector
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.type do_cheetah_plus_data_parity,#function
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do_cheetah_plus_data_parity:
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rdpr %pil, %g2
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2008-11-24 13:55:29 +08:00
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wrpr %g0, PIL_NORMAL_MAX, %pil
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2008-04-28 15:47:20 +08:00
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ba,pt %xcc, etrap_irq
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rd %pc, %g7
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#ifdef CONFIG_TRACE_IRQFLAGS
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call trace_hardirqs_off
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nop
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#endif
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mov 0x0, %o0
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call cheetah_plus_parity_error
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add %sp, PTREGS_OFF, %o1
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ba,a,pt %xcc, rtrap_irq
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.size do_cheetah_plus_data_parity,.-do_cheetah_plus_data_parity
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.globl cheetah_plus_dcpe_trap_vector_tl1
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.type cheetah_plus_dcpe_trap_vector_tl1,#function
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cheetah_plus_dcpe_trap_vector_tl1:
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membar #Sync
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wrpr PSTATE_IG | PSTATE_PEF | PSTATE_PRIV, %pstate
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sethi %hi(do_dcpe_tl1), %g3
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jmpl %g3 + %lo(do_dcpe_tl1), %g0
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nop
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nop
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nop
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nop
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.size cheetah_plus_dcpe_trap_vector_tl1,.-cheetah_plus_dcpe_trap_vector_tl1
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.globl cheetah_plus_icpe_trap_vector
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.type cheetah_plus_icpe_trap_vector,#function
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cheetah_plus_icpe_trap_vector:
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membar #Sync
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sethi %hi(do_cheetah_plus_insn_parity), %g7
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jmpl %g7 + %lo(do_cheetah_plus_insn_parity), %g0
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nop
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nop
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nop
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nop
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nop
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.size cheetah_plus_icpe_trap_vector,.-cheetah_plus_icpe_trap_vector
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.type do_cheetah_plus_insn_parity,#function
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do_cheetah_plus_insn_parity:
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rdpr %pil, %g2
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2008-11-24 13:55:29 +08:00
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wrpr %g0, PIL_NORMAL_MAX, %pil
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2008-04-28 15:47:20 +08:00
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ba,pt %xcc, etrap_irq
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rd %pc, %g7
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#ifdef CONFIG_TRACE_IRQFLAGS
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call trace_hardirqs_off
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nop
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#endif
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mov 0x1, %o0
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call cheetah_plus_parity_error
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add %sp, PTREGS_OFF, %o1
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ba,a,pt %xcc, rtrap_irq
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.size do_cheetah_plus_insn_parity,.-do_cheetah_plus_insn_parity
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.globl cheetah_plus_icpe_trap_vector_tl1
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.type cheetah_plus_icpe_trap_vector_tl1,#function
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cheetah_plus_icpe_trap_vector_tl1:
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membar #Sync
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wrpr PSTATE_IG | PSTATE_PEF | PSTATE_PRIV, %pstate
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sethi %hi(do_icpe_tl1), %g3
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jmpl %g3 + %lo(do_icpe_tl1), %g0
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nop
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nop
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nop
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nop
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.size cheetah_plus_icpe_trap_vector_tl1,.-cheetah_plus_icpe_trap_vector_tl1
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/* If we take one of these traps when tl >= 1, then we
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* jump to interrupt globals. If some trap level above us
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* was also using interrupt globals, we cannot recover.
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* We may use all interrupt global registers except %g6.
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*/
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.globl do_dcpe_tl1
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.type do_dcpe_tl1,#function
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do_dcpe_tl1:
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rdpr %tl, %g1 ! Save original trap level
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mov 1, %g2 ! Setup TSTATE checking loop
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sethi %hi(TSTATE_IG), %g3 ! TSTATE mask bit
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1: wrpr %g2, %tl ! Set trap level to check
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rdpr %tstate, %g4 ! Read TSTATE for this level
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andcc %g4, %g3, %g0 ! Interrupt globals in use?
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bne,a,pn %xcc, do_dcpe_tl1_fatal ! Yep, irrecoverable
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wrpr %g1, %tl ! Restore original trap level
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add %g2, 1, %g2 ! Next trap level
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cmp %g2, %g1 ! Hit them all yet?
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ble,pt %icc, 1b ! Not yet
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nop
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wrpr %g1, %tl ! Restore original trap level
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do_dcpe_tl1_nonfatal: /* Ok we may use interrupt globals safely. */
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sethi %hi(dcache_parity_tl1_occurred), %g2
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lduw [%g2 + %lo(dcache_parity_tl1_occurred)], %g1
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add %g1, 1, %g1
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stw %g1, [%g2 + %lo(dcache_parity_tl1_occurred)]
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/* Reset D-cache parity */
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sethi %hi(1 << 16), %g1 ! D-cache size
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mov (1 << 5), %g2 ! D-cache line size
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sub %g1, %g2, %g1 ! Move down 1 cacheline
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1: srl %g1, 14, %g3 ! Compute UTAG
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membar #Sync
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stxa %g3, [%g1] ASI_DCACHE_UTAG
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membar #Sync
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sub %g2, 8, %g3 ! 64-bit data word within line
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2: membar #Sync
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stxa %g0, [%g1 + %g3] ASI_DCACHE_DATA
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membar #Sync
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subcc %g3, 8, %g3 ! Next 64-bit data word
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bge,pt %icc, 2b
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nop
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|
|
|
|
subcc %g1, %g2, %g1 ! Next cacheline
|
|
|
|
|
bge,pt %icc, 1b
|
|
|
|
|
nop
|
2016-04-28 05:27:37 +08:00
|
|
|
ba,a,pt %xcc, dcpe_icpe_tl1_common
|
2008-04-28 15:47:20 +08:00
|
|
|
|
|
|
|
|
do_dcpe_tl1_fatal:
|
|
|
|
|
sethi %hi(1f), %g7
|
|
|
|
|
ba,pt %xcc, etraptl1
|
|
|
|
|
1: or %g7, %lo(1b), %g7
|
|
|
|
|
mov 0x2, %o0
|
|
|
|
|
call cheetah_plus_parity_error
|
|
|
|
|
add %sp, PTREGS_OFF, %o1
|
2016-04-28 05:27:37 +08:00
|
|
|
ba,a,pt %xcc, rtrap
|
2008-04-28 15:47:20 +08:00
|
|
|
.size do_dcpe_tl1,.-do_dcpe_tl1
|
|
|
|
|
|
|
|
|
|
.globl do_icpe_tl1
|
|
|
|
|
.type do_icpe_tl1,#function
|
|
|
|
|
do_icpe_tl1:
|
|
|
|
|
rdpr %tl, %g1 ! Save original trap level
|
|
|
|
|
mov 1, %g2 ! Setup TSTATE checking loop
|
|
|
|
|
sethi %hi(TSTATE_IG), %g3 ! TSTATE mask bit
|
|
|
|
|
1: wrpr %g2, %tl ! Set trap level to check
|
|
|
|
|
rdpr %tstate, %g4 ! Read TSTATE for this level
|
|
|
|
|
andcc %g4, %g3, %g0 ! Interrupt globals in use?
|
|
|
|
|
bne,a,pn %xcc, do_icpe_tl1_fatal ! Yep, irrecoverable
|
|
|
|
|
wrpr %g1, %tl ! Restore original trap level
|
|
|
|
|
add %g2, 1, %g2 ! Next trap level
|
|
|
|
|
cmp %g2, %g1 ! Hit them all yet?
|
|
|
|
|
ble,pt %icc, 1b ! Not yet
|
|
|
|
|
nop
|
|
|
|
|
wrpr %g1, %tl ! Restore original trap level
|
|
|
|
|
do_icpe_tl1_nonfatal: /* Ok we may use interrupt globals safely. */
|
|
|
|
|
sethi %hi(icache_parity_tl1_occurred), %g2
|
|
|
|
|
lduw [%g2 + %lo(icache_parity_tl1_occurred)], %g1
|
|
|
|
|
add %g1, 1, %g1
|
|
|
|
|
stw %g1, [%g2 + %lo(icache_parity_tl1_occurred)]
|
|
|
|
|
/* Flush I-cache */
|
|
|
|
|
sethi %hi(1 << 15), %g1 ! I-cache size
|
|
|
|
|
mov (1 << 5), %g2 ! I-cache line size
|
|
|
|
|
sub %g1, %g2, %g1
|
|
|
|
|
1: or %g1, (2 << 3), %g3
|
|
|
|
|
stxa %g0, [%g3] ASI_IC_TAG
|
|
|
|
|
membar #Sync
|
|
|
|
|
subcc %g1, %g2, %g1
|
|
|
|
|
bge,pt %icc, 1b
|
|
|
|
|
nop
|
2016-04-28 05:27:37 +08:00
|
|
|
ba,a,pt %xcc, dcpe_icpe_tl1_common
|
2008-04-28 15:47:20 +08:00
|
|
|
|
|
|
|
|
do_icpe_tl1_fatal:
|
|
|
|
|
sethi %hi(1f), %g7
|
|
|
|
|
ba,pt %xcc, etraptl1
|
|
|
|
|
1: or %g7, %lo(1b), %g7
|
|
|
|
|
mov 0x3, %o0
|
|
|
|
|
call cheetah_plus_parity_error
|
|
|
|
|
add %sp, PTREGS_OFF, %o1
|
2016-04-28 05:27:37 +08:00
|
|
|
ba,a,pt %xcc, rtrap
|
2008-04-28 15:47:20 +08:00
|
|
|
.size do_icpe_tl1,.-do_icpe_tl1
|
|
|
|
|
|
|
|
|
|
.type dcpe_icpe_tl1_common,#function
|
|
|
|
|
dcpe_icpe_tl1_common:
|
|
|
|
|
/* Flush D-cache, re-enable D/I caches in DCU and finally
|
|
|
|
|
* retry the trapping instruction.
|
|
|
|
|
*/
|
|
|
|
|
sethi %hi(1 << 16), %g1 ! D-cache size
|
|
|
|
|
mov (1 << 5), %g2 ! D-cache line size
|
|
|
|
|
sub %g1, %g2, %g1
|
|
|
|
|
1: stxa %g0, [%g1] ASI_DCACHE_TAG
|
|
|
|
|
membar #Sync
|
|
|
|
|
subcc %g1, %g2, %g1
|
|
|
|
|
bge,pt %icc, 1b
|
|
|
|
|
nop
|
|
|
|
|
ldxa [%g0] ASI_DCU_CONTROL_REG, %g1
|
|
|
|
|
or %g1, (DCU_DC | DCU_IC), %g1
|
|
|
|
|
stxa %g1, [%g0] ASI_DCU_CONTROL_REG
|
|
|
|
|
membar #Sync
|
|
|
|
|
retry
|
|
|
|
|
.size dcpe_icpe_tl1_common,.-dcpe_icpe_tl1_common
|
|
|
|
|
|
|
|
|
|
/* Capture I/D/E-cache state into per-cpu error scoreboard.
|
|
|
|
|
*
|
|
|
|
|
* %g1: (TL>=0) ? 1 : 0
|
|
|
|
|
* %g2: scratch
|
|
|
|
|
* %g3: scratch
|
|
|
|
|
* %g4: AFSR
|
|
|
|
|
* %g5: AFAR
|
|
|
|
|
* %g6: unused, will have current thread ptr after etrap
|
|
|
|
|
* %g7: scratch
|
|
|
|
|
*/
|
|
|
|
|
.type __cheetah_log_error,#function
|
|
|
|
|
__cheetah_log_error:
|
|
|
|
|
/* Put "TL1" software bit into AFSR. */
|
|
|
|
|
and %g1, 0x1, %g1
|
|
|
|
|
sllx %g1, 63, %g2
|
|
|
|
|
or %g4, %g2, %g4
|
|
|
|
|
|
|
|
|
|
/* Get log entry pointer for this cpu at this trap level. */
|
|
|
|
|
BRANCH_IF_JALAPENO(g2,g3,50f)
|
|
|
|
|
ldxa [%g0] ASI_SAFARI_CONFIG, %g2
|
|
|
|
|
srlx %g2, 17, %g2
|
|
|
|
|
ba,pt %xcc, 60f
|
|
|
|
|
and %g2, 0x3ff, %g2
|
|
|
|
|
|
|
|
|
|
50: ldxa [%g0] ASI_JBUS_CONFIG, %g2
|
|
|
|
|
srlx %g2, 17, %g2
|
|
|
|
|
and %g2, 0x1f, %g2
|
|
|
|
|
|
|
|
|
|
60: sllx %g2, 9, %g2
|
|
|
|
|
sethi %hi(cheetah_error_log), %g3
|
|
|
|
|
ldx [%g3 + %lo(cheetah_error_log)], %g3
|
|
|
|
|
brz,pn %g3, 80f
|
|
|
|
|
nop
|
|
|
|
|
|
|
|
|
|
add %g3, %g2, %g3
|
|
|
|
|
sllx %g1, 8, %g1
|
|
|
|
|
add %g3, %g1, %g1
|
|
|
|
|
|
|
|
|
|
/* %g1 holds pointer to the top of the logging scoreboard */
|
|
|
|
|
ldx [%g1 + 0x0], %g7
|
|
|
|
|
cmp %g7, -1
|
|
|
|
|
bne,pn %xcc, 80f
|
|
|
|
|
nop
|
|
|
|
|
|
|
|
|
|
stx %g4, [%g1 + 0x0]
|
|
|
|
|
stx %g5, [%g1 + 0x8]
|
|
|
|
|
add %g1, 0x10, %g1
|
|
|
|
|
|
|
|
|
|
/* %g1 now points to D-cache logging area */
|
|
|
|
|
set 0x3ff8, %g2 /* DC_addr mask */
|
|
|
|
|
and %g5, %g2, %g2 /* DC_addr bits of AFAR */
|
|
|
|
|
srlx %g5, 12, %g3
|
|
|
|
|
or %g3, 1, %g3 /* PHYS tag + valid */
|
|
|
|
|
|
|
|
|
|
10: ldxa [%g2] ASI_DCACHE_TAG, %g7
|
|
|
|
|
cmp %g3, %g7 /* TAG match? */
|
|
|
|
|
bne,pt %xcc, 13f
|
|
|
|
|
nop
|
|
|
|
|
|
|
|
|
|
/* Yep, what we want, capture state. */
|
|
|
|
|
stx %g2, [%g1 + 0x20]
|
|
|
|
|
stx %g7, [%g1 + 0x28]
|
|
|
|
|
|
|
|
|
|
/* A membar Sync is required before and after utag access. */
|
|
|
|
|
membar #Sync
|
|
|
|
|
ldxa [%g2] ASI_DCACHE_UTAG, %g7
|
|
|
|
|
membar #Sync
|
|
|
|
|
stx %g7, [%g1 + 0x30]
|
|
|
|
|
ldxa [%g2] ASI_DCACHE_SNOOP_TAG, %g7
|
|
|
|
|
stx %g7, [%g1 + 0x38]
|
|
|
|
|
clr %g3
|
|
|
|
|
|
|
|
|
|
12: ldxa [%g2 + %g3] ASI_DCACHE_DATA, %g7
|
|
|
|
|
stx %g7, [%g1]
|
|
|
|
|
add %g3, (1 << 5), %g3
|
|
|
|
|
cmp %g3, (4 << 5)
|
|
|
|
|
bl,pt %xcc, 12b
|
|
|
|
|
add %g1, 0x8, %g1
|
|
|
|
|
|
|
|
|
|
ba,pt %xcc, 20f
|
|
|
|
|
add %g1, 0x20, %g1
|
|
|
|
|
|
|
|
|
|
13: sethi %hi(1 << 14), %g7
|
|
|
|
|
add %g2, %g7, %g2
|
|
|
|
|
srlx %g2, 14, %g7
|
|
|
|
|
cmp %g7, 4
|
|
|
|
|
bl,pt %xcc, 10b
|
|
|
|
|
nop
|
|
|
|
|
|
|
|
|
|
add %g1, 0x40, %g1
|
|
|
|
|
|
|
|
|
|
/* %g1 now points to I-cache logging area */
|
|
|
|
|
20: set 0x1fe0, %g2 /* IC_addr mask */
|
|
|
|
|
and %g5, %g2, %g2 /* IC_addr bits of AFAR */
|
|
|
|
|
sllx %g2, 1, %g2 /* IC_addr[13:6]==VA[12:5] */
|
|
|
|
|
srlx %g5, (13 - 8), %g3 /* Make PTAG */
|
|
|
|
|
andn %g3, 0xff, %g3 /* Mask off undefined bits */
|
|
|
|
|
|
|
|
|
|
21: ldxa [%g2] ASI_IC_TAG, %g7
|
|
|
|
|
andn %g7, 0xff, %g7
|
|
|
|
|
cmp %g3, %g7
|
|
|
|
|
bne,pt %xcc, 23f
|
|
|
|
|
nop
|
|
|
|
|
|
|
|
|
|
/* Yep, what we want, capture state. */
|
|
|
|
|
stx %g2, [%g1 + 0x40]
|
|
|
|
|
stx %g7, [%g1 + 0x48]
|
|
|
|
|
add %g2, (1 << 3), %g2
|
|
|
|
|
ldxa [%g2] ASI_IC_TAG, %g7
|
|
|
|
|
add %g2, (1 << 3), %g2
|
|
|
|
|
stx %g7, [%g1 + 0x50]
|
|
|
|
|
ldxa [%g2] ASI_IC_TAG, %g7
|
|
|
|
|
add %g2, (1 << 3), %g2
|
|
|
|
|
stx %g7, [%g1 + 0x60]
|
|
|
|
|
ldxa [%g2] ASI_IC_TAG, %g7
|
|
|
|
|
stx %g7, [%g1 + 0x68]
|
|
|
|
|
sub %g2, (3 << 3), %g2
|
|
|
|
|
ldxa [%g2] ASI_IC_STAG, %g7
|
|
|
|
|
stx %g7, [%g1 + 0x58]
|
|
|
|
|
clr %g3
|
|
|
|
|
srlx %g2, 2, %g2
|
|
|
|
|
|
|
|
|
|
22: ldxa [%g2 + %g3] ASI_IC_INSTR, %g7
|
|
|
|
|
stx %g7, [%g1]
|
|
|
|
|
add %g3, (1 << 3), %g3
|
|
|
|
|
cmp %g3, (8 << 3)
|
|
|
|
|
bl,pt %xcc, 22b
|
|
|
|
|
add %g1, 0x8, %g1
|
|
|
|
|
|
|
|
|
|
ba,pt %xcc, 30f
|
|
|
|
|
add %g1, 0x30, %g1
|
|
|
|
|
|
|
|
|
|
23: sethi %hi(1 << 14), %g7
|
|
|
|
|
add %g2, %g7, %g2
|
|
|
|
|
srlx %g2, 14, %g7
|
|
|
|
|
cmp %g7, 4
|
|
|
|
|
bl,pt %xcc, 21b
|
|
|
|
|
nop
|
|
|
|
|
|
|
|
|
|
add %g1, 0x70, %g1
|
|
|
|
|
|
|
|
|
|
/* %g1 now points to E-cache logging area */
|
|
|
|
|
30: andn %g5, (32 - 1), %g2
|
|
|
|
|
stx %g2, [%g1 + 0x20]
|
|
|
|
|
ldxa [%g2] ASI_EC_TAG_DATA, %g7
|
|
|
|
|
stx %g7, [%g1 + 0x28]
|
|
|
|
|
ldxa [%g2] ASI_EC_R, %g0
|
|
|
|
|
clr %g3
|
|
|
|
|
|
|
|
|
|
31: ldxa [%g3] ASI_EC_DATA, %g7
|
|
|
|
|
stx %g7, [%g1 + %g3]
|
|
|
|
|
add %g3, 0x8, %g3
|
|
|
|
|
cmp %g3, 0x20
|
|
|
|
|
|
|
|
|
|
bl,pt %xcc, 31b
|
|
|
|
|
nop
|
|
|
|
|
80:
|
|
|
|
|
rdpr %tt, %g2
|
|
|
|
|
cmp %g2, 0x70
|
|
|
|
|
be c_fast_ecc
|
|
|
|
|
cmp %g2, 0x63
|
|
|
|
|
be c_cee
|
|
|
|
|
nop
|
2016-04-28 05:27:37 +08:00
|
|
|
ba,a,pt %xcc, c_deferred
|
2008-04-28 15:47:20 +08:00
|
|
|
.size __cheetah_log_error,.-__cheetah_log_error
|
|
|
|
|
|
|
|
|
|
/* Cheetah FECC trap handling, we get here from tl{0,1}_fecc
|
|
|
|
|
* in the trap table. That code has done a memory barrier
|
|
|
|
|
* and has disabled both the I-cache and D-cache in the DCU
|
|
|
|
|
* control register. The I-cache is disabled so that we may
|
|
|
|
|
* capture the corrupted cache line, and the D-cache is disabled
|
|
|
|
|
* because corrupt data may have been placed there and we don't
|
|
|
|
|
* want to reference it.
|
|
|
|
|
*
|
|
|
|
|
* %g1 is one if this trap occurred at %tl >= 1.
|
|
|
|
|
*
|
|
|
|
|
* Next, we turn off error reporting so that we don't recurse.
|
|
|
|
|
*/
|
|
|
|
|
.globl cheetah_fast_ecc
|
|
|
|
|
.type cheetah_fast_ecc,#function
|
|
|
|
|
cheetah_fast_ecc:
|
|
|
|
|
ldxa [%g0] ASI_ESTATE_ERROR_EN, %g2
|
|
|
|
|
andn %g2, ESTATE_ERROR_NCEEN | ESTATE_ERROR_CEEN, %g2
|
|
|
|
|
stxa %g2, [%g0] ASI_ESTATE_ERROR_EN
|
|
|
|
|
membar #Sync
|
|
|
|
|
|
|
|
|
|
/* Fetch and clear AFSR/AFAR */
|
|
|
|
|
ldxa [%g0] ASI_AFSR, %g4
|
|
|
|
|
ldxa [%g0] ASI_AFAR, %g5
|
|
|
|
|
stxa %g4, [%g0] ASI_AFSR
|
|
|
|
|
membar #Sync
|
|
|
|
|
|
|
|
|
|
ba,pt %xcc, __cheetah_log_error
|
|
|
|
|
nop
|
|
|
|
|
.size cheetah_fast_ecc,.-cheetah_fast_ecc
|
|
|
|
|
|
|
|
|
|
.type c_fast_ecc,#function
|
|
|
|
|
c_fast_ecc:
|
|
|
|
|
rdpr %pil, %g2
|
2008-11-24 13:55:29 +08:00
|
|
|
wrpr %g0, PIL_NORMAL_MAX, %pil
|
2008-04-28 15:47:20 +08:00
|
|
|
ba,pt %xcc, etrap_irq
|
|
|
|
|
rd %pc, %g7
|
|
|
|
|
#ifdef CONFIG_TRACE_IRQFLAGS
|
|
|
|
|
call trace_hardirqs_off
|
|
|
|
|
nop
|
|
|
|
|
#endif
|
|
|
|
|
mov %l4, %o1
|
|
|
|
|
mov %l5, %o2
|
|
|
|
|
call cheetah_fecc_handler
|
|
|
|
|
add %sp, PTREGS_OFF, %o0
|
|
|
|
|
ba,a,pt %xcc, rtrap_irq
|
|
|
|
|
.size c_fast_ecc,.-c_fast_ecc
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/* Our caller has disabled I-cache and performed membar Sync. */
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.globl cheetah_cee
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.type cheetah_cee,#function
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cheetah_cee:
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ldxa [%g0] ASI_ESTATE_ERROR_EN, %g2
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andn %g2, ESTATE_ERROR_CEEN, %g2
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stxa %g2, [%g0] ASI_ESTATE_ERROR_EN
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membar #Sync
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/* Fetch and clear AFSR/AFAR */
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ldxa [%g0] ASI_AFSR, %g4
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ldxa [%g0] ASI_AFAR, %g5
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stxa %g4, [%g0] ASI_AFSR
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membar #Sync
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ba,pt %xcc, __cheetah_log_error
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nop
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.size cheetah_cee,.-cheetah_cee
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.type c_cee,#function
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c_cee:
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rdpr %pil, %g2
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2008-11-24 13:55:29 +08:00
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wrpr %g0, PIL_NORMAL_MAX, %pil
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2008-04-28 15:47:20 +08:00
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ba,pt %xcc, etrap_irq
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rd %pc, %g7
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#ifdef CONFIG_TRACE_IRQFLAGS
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call trace_hardirqs_off
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nop
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#endif
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mov %l4, %o1
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mov %l5, %o2
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call cheetah_cee_handler
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add %sp, PTREGS_OFF, %o0
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ba,a,pt %xcc, rtrap_irq
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.size c_cee,.-c_cee
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/* Our caller has disabled I-cache+D-cache and performed membar Sync. */
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.globl cheetah_deferred_trap
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.type cheetah_deferred_trap,#function
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cheetah_deferred_trap:
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ldxa [%g0] ASI_ESTATE_ERROR_EN, %g2
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andn %g2, ESTATE_ERROR_NCEEN | ESTATE_ERROR_CEEN, %g2
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stxa %g2, [%g0] ASI_ESTATE_ERROR_EN
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membar #Sync
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/* Fetch and clear AFSR/AFAR */
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ldxa [%g0] ASI_AFSR, %g4
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ldxa [%g0] ASI_AFAR, %g5
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stxa %g4, [%g0] ASI_AFSR
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membar #Sync
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ba,pt %xcc, __cheetah_log_error
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nop
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.size cheetah_deferred_trap,.-cheetah_deferred_trap
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.type c_deferred,#function
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c_deferred:
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rdpr %pil, %g2
|
2008-11-24 13:55:29 +08:00
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wrpr %g0, PIL_NORMAL_MAX, %pil
|
2008-04-28 15:47:20 +08:00
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ba,pt %xcc, etrap_irq
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rd %pc, %g7
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#ifdef CONFIG_TRACE_IRQFLAGS
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call trace_hardirqs_off
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nop
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#endif
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mov %l4, %o1
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mov %l5, %o2
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call cheetah_deferred_handler
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add %sp, PTREGS_OFF, %o0
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ba,a,pt %xcc, rtrap_irq
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.size c_deferred,.-c_deferred
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