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2023-09-20xtensa: boot: don't add include-dirsRandy Dunlap1-2/+1
Drop the -I<include-dir> options to prevent build warnings since there is not boot/include directory: cc1: warning: arch/xtensa/boot/include: No such file or directory [-Wmissing-include-dirs] Fixes: 437374e9a950 ("restore arch/{ppc/xtensa}/boot cflags") Fixes: 4bedea945451 ("xtensa: Architecture support for Tensilica Xtensa Part 2") Signed-off-by: Randy Dunlap <[email protected]> Cc: Chris Zankel <[email protected]> Cc: Max Filippov <[email protected]> Message-Id: <[email protected]> Signed-off-by: Max Filippov <[email protected]>
2021-04-04xtensa: move CONFIG_CPU_*_ENDIAN defines to KconfigMasahiro Yamada1-4/+0
Move the definition of CONFIG_CPU_*_ENDIAN to Kconfig, the best place for CONFIG options. I slightly simplified the test code. You can use the -P option to suppress linemarker generation. The grep command is unneeded. $ echo __XTENSA_EB__ | xtensa-linux-gcc -E - # 1 "<stdin>" # 1 "<built-in>" # 1 "<command-line>" # 1 "<stdin>" 1 $ echo __XTENSA_EB__ | xtensa-linux-gcc -E -P - 1 Signed-off-by: Masahiro Yamada <[email protected]> Message-Id: <[email protected]> Signed-off-by: Max Filippov <[email protected]>
2020-07-28xtensa: add uImage and xipImage to targetsMax Filippov1-0/+1
uImage and xipImage are always rebuilt in the xtensa kernel build process. Add them to 'targets' to avoid that. Reviewed-by: Masahiro Yamada <[email protected]> Signed-off-by: Max Filippov <[email protected]>
2020-07-28xtensa: move vmlinux.bin[.gz] to boot subdirectoryMax Filippov1-5/+6
vmlinux.bin and vmlinux.bin.gz are always rebuilt in the kernel build process. Add them to 'targets' and move them to the boot subdirectory where their rules are. Update make rules that refer to them. Reviewed-by: Masahiro Yamada <[email protected]> Signed-off-by: Max Filippov <[email protected]>
2020-03-09xtensa: remove meaningless export ccflags-yMasahiro Yamada1-1/+0
arch/xtensa/boot/Makefile does not define ccflags-y at all. Please do not export ccflags-y because it is meant to be effective only in the current Makefile. Signed-off-by: Masahiro Yamada <[email protected]> Message-Id: <[email protected]> Signed-off-by: Max Filippov <[email protected]>
2019-11-26xtensa: add XIP kernel supportMax Filippov1-0/+5
XIP (eXecute In Place) kernel image is the image that can be run directly from ROM, using RAM only for writable data. XIP xtensa kernel differs from regular xtensa kernel in the following ways: - it has exception/IRQ vectors merged into text section. No vectors relocation takes place at kernel startup. - .data/.bss location must be specified in the kernel configuration, its content is copied there in the _startup function. - .init.text is merged with the rest of text and is executed from ROM. - when MMU is used the virtual address where the kernel will be mapped must be specified in the kernel configuration. It may be in the KSEG or in the KIO, __pa macro is adjusted to be able to handle both. Signed-off-by: Max Filippov <[email protected]>
2018-10-29xtensa: add NOTES section to the linker scriptMax Filippov1-1/+1
This section collects all source .note.* sections together in the vmlinux image. Without it .note.Linux section may be placed at address 0, while the rest of the kernel is at its normal address, resulting in a huge vmlinux.bin image that may not be linked into the xtensa Image.elf. Cc: [email protected] Signed-off-by: Max Filippov <[email protected]>
2018-08-09kbuild: remove deprecated host-progs variableMasahiro Yamada1-2/+1
The host-progs has been kept as an alias of hostprogs-y for a long time (at least since the beginning of Git era), with the clear prompt: Usage of host-progs is deprecated. Please replace with hostprogs-y! Enough time for the migration has passed. Signed-off-by: Masahiro Yamada <[email protected]> Acked-by: Max Filippov <[email protected]>
2017-03-01xtensa: clean up bootable image build targetsMax Filippov1-7/+16
Currently xtensa uses 'zImage' as a synonym of 'all', but in fact xtensa supports three targets: 'Image' (ELF image with reset vector), 'zImage' (compressed redboot image) and 'uImage' (U-Boot image). Provide separate 'Image', 'zImage' and 'uImage' make targets that only build corresponding image type. Make 'all' build all images appropriate for a platform. Signed-off-by: Max Filippov <[email protected]>
2013-09-06xtensa: don't use echo -e needlesslyMax Filippov1-1/+1
-e is not needed to output strings without escape sequences. This breaks big endian FSF build when the shell is dash, because its builtin echo doesn't understand '-e' switch and outputs it in the echoed string. Reported-by: Guenter Roeck <[email protected]> Signed-off-by: Max Filippov <[email protected]> Signed-off-by: Chris Zankel <[email protected]>
2013-02-23xtensa: use new common dtc ruleStephen Warren1-12/+0
The current rules have the .dtb files build in a different directory from the .dts files. This patch changes xtensa to use the generic dtb rule which builds .dtb files in the same directory as the source .dts. This requires moving parts of arch/xtensa/boot/Makefile into newly created arch/xtensa/boot/dts/Makefile, and updating arch/xtensa/Makefile to call the new Makefile. Signed-off-by: Stephen Warren <[email protected]> Signed-off-by: Chris Zankel <[email protected]>
2012-12-18xtensa: don't try to build DTB when OF is disabledMax Filippov1-1/+1
Signed-off-by: Max Filippov <[email protected]> Signed-off-by: Chris Zankel <[email protected]>
2012-12-18xtensa: add support for the XTFPGA boardsMax Filippov1-0/+1
The Avnet LX60/LX110/LX200 board is an FPGA board that can be configured with an Xtensa processor and an OpenCores Ethernet device. Signed-off-by: Chris Zankel <[email protected]> Signed-off-by: Max Filippov <[email protected]> Signed-off-by: Chris Zankel <[email protected]>
2012-12-18xtensa: add device trees supportMax Filippov1-0/+11
Device trees allow specification of hardware topology and device parameters at runtime instead of hard-coding them in platform setup code. This allows running single binary kernel on a range of compatible boards. New boot parameters tag BP_TAG_FDT is allocated and a pointer to flat device tree is passed in it. Note that current interrupt mapping scheme uses single cell for interrupt identification. That means that IRQ numbers used in DTS must be CPU internal IRQ numbers, not external. It is possible to extend interrupt identification to two cells, and use second cell to tell external IRQ numbers form internal. That would allow to use single DTS on multiple boards with different mapping of external IRQ numbers. Signed-off-by: Max Filippov <[email protected]> Signed-off-by: Chris Zankel <[email protected]>
2012-12-18xtensa: add U-Boot image support (uImage).Max Filippov1-1/+2
Signed-off-by: Max Filippov <[email protected]> Signed-off-by: Chris Zankel <[email protected]>
2012-12-18xtensa: clean up boot make rulesMax Filippov1-0/+10
- remove duplicate rules for binary and packed image - use predefined macros for ld/objcopy/gzip - remove build-id section from bootable elf image Signed-off-by: Max Filippov <[email protected]> Signed-off-by: Chris Zankel <[email protected]>
2012-10-03xtensa: drop CONFIG_EMBEDDED_RAMDISKMax Filippov1-1/+1
Remove Kconfig entries, boot subdirectory, dependencies from other boot-* Makefiles, and sections from ld scripts. Remove stale redboot code that used to pass initrd addresses in a3 and a4 to _start. Signed-off-by: Max Filippov <[email protected]> Signed-off-by: Chris Zankel <[email protected]>
2011-03-17xtensa: change to new flag variablematt mooney1-1/+1
Replace EXTRA_CFLAGS with ccflags-y. Signed-off-by: matt mooney <[email protected]> Acked-by: WANG Cong <[email protected]> Signed-off-by: Michal Marek <[email protected]>
2007-10-20kbuild: restore arch/{ppc/xtensa}/boot cflagsMilton Miller1-1/+2
Commit 9a39e273d4df0560c724c5fe71f6314a0583ca2b removed the boot directory addition to CFLAGS that was being used by the subdirectory builds. For the other files, that patch set EXTRA_CFLAGS, but Makefile.build explicitly sets that to empty as it is explicitly for a single directory only. Append to KBUILD_CFLAGS instead. Signed-off-by: Milton Miller <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2007-10-14kbuild: fix up CFLAGS usageSam Ravnborg1-3/+2
Only in very rare cases is it needed to change CFLAGS outside of arch/*/Makefile. Fix up all wrong cases - in most cases the use of EXTRA_CFLAGS is the only thing needed. Signed-off-by: Sam Ravnborg <[email protected]>
2005-06-30[PATCH] xtensa: Removed local copy of zlib and fixed O= supportChris Zankel1-7/+3
Removed an unnecessary local copy of zlib (sorry for the add'l traffic). Fixed 'O=' support (thanks to Jan Dittmer for pointing it out). Some minor clean-ups in the make files. Signed-off-by: Chris Zankel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2005-06-24[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 2Chris Zankel1-0/+37
The attached patches provides part 2 of an architecture implementation for the Tensilica Xtensa CPU series. Signed-off-by: Chris Zankel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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