- 09 5月, 2013 21 次提交
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由 Raghu Gandham 提交于
Add new clockevent driver that uses the counter present on the MIPS Global Interrupt Controller. Signed-off-by: NRaghu Gandham <Raghu.Gandham@imgtec.com> Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Various whitespace and #ifdef removals for GIC and R4K clocksources. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Reorganize some of the GIC clocksource driver code. Below is a list of the various changes. * No longer select CSRC_GIC by default for Malta platform. * Limit choice for either the GIC or R4K clocksource, not both. * Change location in Makefile. * Created new 'gic_read_count' function in common 'irq-gic.c' file. * Change 'git_hpt_read' function in 'csrc-gic.c' to use new function. * Surround GIC specific code in Malta platform code with #ifdef's. * Only initialize the GIC clocksource if it was selected. Original code called it unconditionally if a GIC was found. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Move the global variable 'gic_frequency' to be defined in the file 'arch/mips/kernel/irq-gic.c' instead of defining it individually for each platform making use of the GIC. Also change the type to be an unsigned integer instead of signed. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Move the global variable 'gic_present' to be defined in the file 'arch/mips/kernel/irq-gic.c' instead of defining it individually for each platform making use of the GIC. Also change the type to be an unsigned integer instead of signed. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Add logic needed to handle unaligned accesses in MIPS16e mode. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com> Signed-off-by: NLeonid Yegoshin <Leonid.Yegoshin@imgtec.com>
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由 Steven J. Hill 提交于
Add logic needed to properly calculate exceptions for delay slots when in MIPS16e mode. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Add structures for all the MIPS16e instructions. Also add the enumerations for all the bit fields for opcodes, functions, etc. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Optimise 'strnlen' to use microMIPS instructions and/or optimisations for binary size reduction. When the microMIPS ISA is not being used, the library function compiles to the original binary code. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Optimise 'strlen' to use microMIPS instructions and/or optimisations for binary size reduction. When the microMIPS ISA is not being used, the library function compiles to the original binary code. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Optimise 'strncpy' to use microMIPS instructions and/or optimisations for binary size reduction. When the microMIPS ISA is not being used, the library function compiles to the original binary code. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Optimise 'memset' to use microMIPS instructions and/or optimisations for binary size reduction. When the microMIPS ISA is not being used, the library function compiles to the original binary code. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
This adds the option to build the Linux kernel using only the microMIPS ISA. The resulting kernel binary is, at a minimum, 20% smaller than using the MIPS32R2 ISA. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Partially revert commit e0c14a260d66ba35935600d6435940a566fe806b and turn off LL/SC when building a pure microMIPS kernel. This is a temporary fix until the cmpxchg assembly macro functions are re-written to not use the HI/LO registers in address calculations. Also add .insn in selected user access functions which would otherwise produce ISA mode jump incompatibilities. This is also a temporary fix. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Douglas Leung 提交于
Support vdso in microMIPS mode. Signed-off-by: NDouglas Leung <Douglas.Leung@imgtec.com> Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Leonid Yegoshin 提交于
Add logic needed to handle unaligned accesses in microMIPS mode. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com> Signed-off-by: NLeonid Yegoshin <Leonid.Yegoshin@imgtec.com>
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由 Leonid Yegoshin 提交于
Add logic needed to properly calculate exceptions for delay slots when in microMIPS mode. Signed-off-by: NLeonid Yegoshin <Leonid.Yegoshin@imgtec.com> Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
All exceptions must be taken in microMIPS mode, never in classic MIPS mode or the kernel falls apart. A few NOP instructions are used to maintain the correct alignment of microMIPS versions of the exception vectors. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Leonid Yegoshin 提交于
Add logic needed to do floating point emulation in microMIPS mode. Signed-off-by: NLeonid Yegoshin <Leonid.Yegoshin@imgtec.com> Signed-off-by: Steven J. Hill <Steven. Hill@imgtec.com>
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由 Steven J. Hill 提交于
The macros did not properly take into account the ISA that the kernel was being compiled with. A classic MIPS kernel will have the standard 'uasm_i_##op' macro functions with 'MM_uasm_i_##op' macro functions for the microMIPS version. A pure microMIPS kernel will have the standard macros with 'CL_uasm_i_##op' macro functions for the classic version. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Jump or branch target addresses have the first bit set. The original mask did not take this into account and will cause a field overflow warning for the target address when a jump immediate instruction is built. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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- 08 5月, 2013 9 次提交
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由 Steven J. Hill 提交于
Changes for pure microMIPS cores to dynamically determine the ASID size at boot time. Includes bug fix https://patchwork.linux-mips.org/patch/5230/Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com> Signed-off-by: NJonas Gorski <jogo@openwrt.org>
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由 Steven J. Hill 提交于
Original patch by Ralf Baechle and removed by Harold Koerfgen with commit f67e4ffc79905482c3b9b8c8dd65197bac7eb508. This allows for more generic kernels since the size of the ASID and corresponding masks can be determined at run-time. This patch is also required for the new Aptiv cores and has been tested on Malta and Malta Aptiv platforms. [ralf@linux-mips.org: Added relevant part of fix https://patchwork.linux-mips.org/patch/5213/] Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Steven J. Hill 提交于
Clean-up code according to the 'checkpatch.pl' script. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Remove 'arch/mips/include/asm/mips-boards/prom.h' and get rid of all inclusions of it by Malta and SEAD-3 platforms. [ralf@linux-mips.org: Fold in John Crispin <blogic@openwrt.org>'s "MIPS: ar7 powertv build"]. [ralf@linux-mips.org: Fold in John Crispin <blogic@openwrt.org>'s "MIPS: unbreak powertv build"]. [ralf@linux-mips.org: Test. Build. Your. Fscking. Code. Or...] Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Remove old YAMON prom code and use common firmware library code. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Remove old YAMON prom code and use common firmware library code. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Add parsing of the environment and command line variables passed to the kernel to the firmware library. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Add declaration of 'mips_scroll_message' and 'mips_display_message' to the common generic header file for the MIPS Technologies Inc. development boards. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Lars-Peter Clausen 提交于
Setting the LED_CORE_SUSPENDRESUME flag causes the LED driver core to call led_classdev_suspend/led_classdev_resume during suspend/resume. Since this is exactly what the driver's custom suspend/resume callbacks do we can replace them by setting the LED_CORE_SUSPENDRESUME flag. Signed-off-by: NLars-Peter Clausen <lars@metafoo.de> Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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- 02 5月, 2013 6 次提交
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由 Steven J. Hill 提交于
Some MIPS controllers have hardware I/O coherency. This patch detects those and turns off software coherency. A new kernel command line option also allows the user to manually turn software coherency on or off. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Add in new Malta config files for SMVP, SMTC, and APRP. Also update the original 'malta_defconfig' config file. Signed-off-by: NSteven J. Hill <Steven.Hill@imgtec.com>
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由 Steven J. Hill 提交于
Add two new macros for microMIPS. One checks if an exception was taken in either microMIPS or classic MIPS mode. The other checks if a microMIPS instruction is 16-bit or 32-bit in length. [ralf@linux-mips.org: Removed unnecessary parenthesis as noted by Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>] Signed-off-by: NSteven J. Hill <sjhill@mips.com> Cc: linux-mips@linux-mips.org Cc: cernekee@gmail.com Cc: kevink@paralogos.com Cc: ddaney.cavm@gmail.com Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Patchwork: https://patchwork.linux-mips.org/patch/4924/Signed-off-by: NRalf Baechle <ralf@linux-mips.org> (cherry picked from commit 49df26472338b935fd5781bf94a77a88b148a716)
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由 Steven J. Hill 提交于
Add new file 'uasm-micromips.c' that allows the micro assembler to generate microMIPS ISA code. It can be included in the kernel alongside the classic ISA as long as the platform supports the microMIPS ISA. Signed-off-by: NSteven J. Hill <sjhill@mips.com> Cc: linux-mips@linux-mips.org Cc: cernekee@gmail.com Cc: kevink@paralogos.com Cc: ddaney.cavm@gmail.com Patchwork: https://patchwork.linux-mips.org/patch/4923/Signed-off-by: NRalf Baechle <ralf@linux-mips.org> (cherry picked from commit 5f011a866afbd03a5379f67f4e70e5efbdfc16e9)
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由 Steven J. Hill 提交于
Split 'uasm.c' into two files. The new file 'uasm-mips.c' has the functions specific to the classic MIPS ISA. The 'uasm.c' file contains common code that can be used by classic or other ISAs that could be supported by the kernel. Signed-off-by: NSteven J. Hill <sjhill@mips.com> Cc: linux-mips@linux-mips.org Cc: cernekee@gmail.com Cc: kevink@paralogos.com Cc: ddaney.cavm@gmail.com Patchwork: https://patchwork.linux-mips.org/patch/4922/Signed-off-by: NRalf Baechle <ralf@linux-mips.org> (cherry picked from commit 0961103562ab958fa74f35043bf4f72e51ed6155)
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由 Steven J. Hill 提交于
Add structures for all the microMIPS instructions. Also add the enumerations for all the bit fields for opcodes, functions, etc. Signed-off-by: NSteven J. Hill <sjhill@mips.com> Cc: linux-mips@linux-mips.org Cc: cernekee@gmail.com Cc: kevink@paralogos.com Cc: ddaney.cavm@gmail.com Patchwork: https://patchwork.linux-mips.org/patch/4921/Signed-off-by: NRalf Baechle <ralf@linux-mips.org> (cherry picked from commit d7f19e43a4337d4d40ff5e241172912130d06a4c)
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- 05 4月, 2013 4 次提交
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由 Ralf Baechle 提交于
SA_RESTORER used to be defined as 0x04000000 but only the O32 ABI ever supported its use and no libc was using it, so the entire sa-restorer functionality was removed with lmo commit 39bffc12c3580ab [Zap sa_restorer.] for 2.5.48 retaining only the SA_RESTORER definition as a reminder to avoid accidental reuse of the mask bit. Upstream cdef9602fbf1871a43f0f1b5cea10dd0f275167d [signal: always clear sa_restorer on execve] adds code that assumes sa_sigaction has an sa_restorer field, if SA_RESTORER is defined which would break MIPS. So remove the SA_RESTORER definition before the v3.8.4 merge. Signed-off-by: NRalf Baechle <ralf@linux-mips.org> (cherry picked from commit 17da8d63add23830892ac4dc2cbb3b5d4ffb79a8)
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由 Deng-Cheng Zhu 提交于
The commit a96102be introduced set_isa() where compatible ISA info is also set aside from the one gets passed in. It means, for example, 1004K will have MIPS_CPU_ISA_M32R2/M32R1/II/I flags. This leads to things like the following inappropriate: if (c->isa_level == MIPS_CPU_ISA_M32R1 || c->isa_level == MIPS_CPU_ISA_M32R2 || c->isa_level == MIPS_CPU_ISA_M64R1 || c->isa_level == MIPS_CPU_ISA_M64R2) This patch fixes it. Signed-off-by: NDeng-Cheng Zhu <dengcheng.zhu@imgtec.com> Cc: Steven J. Hill <Steven.Hill@imgtec.com> Cc: linux-mips@linux-mips.org Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 EunBong Song 提交于
Singed-off-by: NEunBong Song <eunb.song@samsung.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Paul Bolle 提交于
CONFIG_SNIPROM was renamed to CONFIG_FW_SNIPROM in v3.8. Let's rename SNIPROM itself too. Signed-off-by: NPaul Bolle <pebolle@tiscali.nl> Cc: linux-mips@linux-mips.org; Cc: linux-kernel@vger.kernel.org Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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