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* Merge tag 'kbuild-v4.19-2' of ↵Linus Torvalds2018-08-251-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull more Kbuild updates from Masahiro Yamada: - add build_{menu,n,g,x}config targets for compile-testing Kconfig - fix and improve recursive dependency detection in Kconfig - fix parallel building of menuconfig/nconfig - fix syntax error in clang-version.sh - suppress distracting log from syncconfig - remove obsolete "rpm" target - remove VMLINUX_SYMBOL(_STR) macro entirely - fix microblaze build with CONFIG_DYNAMIC_FTRACE - move compiler test for dead code/data elimination to Kconfig - rename well-known LDFLAGS variable to KBUILD_LDFLAGS - misc fixes and cleanups * tag 'kbuild-v4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: rename LDFLAGS to KBUILD_LDFLAGS kbuild: pass LDFLAGS to recordmcount.pl kbuild: test dead code/data elimination support in Kconfig initramfs: move gen_initramfs_list.sh from scripts/ to usr/ vmlinux.lds.h: remove stale <linux/export.h> include export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR() Coccinelle: remove pci_alloc_consistent semantic to detect in zalloc-simple.cocci kbuild: make sorting initramfs contents independent of locale kbuild: remove "rpm" target, which is alias of "rpm-pkg" kbuild: Fix LOADLIBES rename in Documentation/kbuild/makefiles.txt kconfig: suppress "configuration written to .config" for syncconfig kconfig: fix "Can't open ..." in parallel build kbuild: Add a space after `!` to prevent parsing as file pattern scripts: modpost: check memory allocation results kconfig: improve the recursive dependency report kconfig: report recursive dependency involving 'imply' kconfig: error out when seeing recursive dependency kconfig: add build-only configurator targets scripts/dtc: consolidate include path options in Makefile
| * kbuild: rename LDFLAGS to KBUILD_LDFLAGSMasahiro Yamada2018-08-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit a0f97e06a43c ("kbuild: enable 'make CFLAGS=...' to add additional options to CC") renamed CFLAGS to KBUILD_CFLAGS. Commit 222d394d30e7 ("kbuild: enable 'make AFLAGS=...' to add additional options to AS") renamed AFLAGS to KBUILD_AFLAGS. Commit 06c5040cdb13 ("kbuild: enable 'make CPPFLAGS=...' to add additional options to CPP") renamed CPPFLAGS to KBUILD_CPPFLAGS. For some reason, LDFLAGS was not renamed. Using a well-known variable like LDFLAGS may result in accidental override of the variable. Kbuild generally uses KBUILD_ prefixed variables for the internally appended options, so here is one more conversion to sanitize the naming convention. I did not touch Makefiles under tools/ since the tools build system is a different world. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
* | xtensa: clean up boot-elf/bootstrap.SMax Filippov2018-08-201-11/+6
| | | | | | | | | | | | Drop unneeded headers, rewrite literal definitions with .literal. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* | xtensa: make bootparam parsing optionalMax Filippov2018-08-201-1/+5
|/ | | | | | | A kernel may not need any boot parameters from the bootloader, allow disabling bootparam parsing in that case. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* xtensa: clean up bootable image build targetsMax Filippov2017-03-011-1/+1
| | | | | | | | | | | 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 <jcmvbkbc@gmail.com>
* xtensa: cleanup MMU setup and kernel layout macrosMax Filippov2016-07-242-2/+7
| | | | | | | | | | | | | | | | Make kernel load address explicit, independent of the selected MMU configuration and configurable from Kconfig. Do not restrict it to the first 512MB of the physical address space. Cleanup kernel memory layout macros: - rename VECBASE_RESET_VADDR to VECBASE_VADDR, XC_VADDR to VECTOR_VADDR; - drop VIRTUAL_MEMORY_ADDRESS and LOAD_MEMORY_ADDRESS; - introduce PHYS_OFFSET and use it in __va and __pa definitions; - synchronize MMU/noMMU vectors, drop unused NMI vector; - replace hardcoded vectors offset of 0x3000 with Kconfig symbol. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* xtensa: drop unused sections and remapped reset handlersMax Filippov2015-11-032-41/+0
| | | | | | | | | | | | | There are no .bootstrap or .ResetVector.text sections linked to the vmlinux image, drop these sections from vmlinux.ld.S. Drop RESET_VECTOR_VADDR definition only used for .ResetVector.text. Drop remapped copies of primary and secondary reset vectors, as modern gdb don't have problems stepping through instructions at arbitrary locations. Drop corresponding sections from the corresponding linker scripts. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* xtensa: nommu: fix Image.elf reset code and ld scriptMax Filippov2014-10-212-6/+6
| | | | | | | | Don't hardcode kernel entry address as 0x3000 or 0xd0003000, use LOAD_MEMORY_ADDRESS macro. Don't compile MMU remapping code and don't try to link it when building noMMU configuration. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* xtensa: tell git to ignore generated filesBaruch Siach2013-06-051-0/+1
| | | | | | Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: add MMU v3 supportMax Filippov2013-05-093-53/+113
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | MMUv3 comes out of reset with identity vaddr -> paddr mapping in the TLB way 6: Way 6 (512 MB) Vaddr Paddr ASID Attr RWX Cache ---------- ---------- ---- ---- --- ------- 0x00000000 0x00000000 0x01 0x03 RWX Bypass 0x20000000 0x20000000 0x01 0x03 RWX Bypass 0x40000000 0x40000000 0x01 0x03 RWX Bypass 0x60000000 0x60000000 0x01 0x03 RWX Bypass 0x80000000 0x80000000 0x01 0x03 RWX Bypass 0xa0000000 0xa0000000 0x01 0x03 RWX Bypass 0xc0000000 0xc0000000 0x01 0x03 RWX Bypass 0xe0000000 0xe0000000 0x01 0x03 RWX Bypass This patch adds remapping code at the reset vector or at the kernel _start (depending on CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX) that reconfigures MMUv3 as MMUv2: Way 5 (128 MB) Vaddr Paddr ASID Attr RWX Cache ---------- ---------- ---- ---- --- ------- 0xd0000000 0x00000000 0x01 0x07 RWX WB 0xd8000000 0x00000000 0x01 0x03 RWX Bypass Way 6 (256 MB) Vaddr Paddr ASID Attr RWX Cache ---------- ---------- ---- ---- --- ------- 0xe0000000 0xf0000000 0x01 0x07 RWX WB 0xf0000000 0xf0000000 0x01 0x03 RWX Bypass Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: clean up boot make rulesMax Filippov2012-12-191-15/+11
| | | | | | | | | - 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 <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: drop CONFIG_EMBEDDED_RAMDISKMax Filippov2012-10-042-24/+0
| | | | | | | | | | | 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 <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: fix parallel makeMax Filippov2012-10-041-4/+5
| | | | | | | | Make vmlinux.tmp and vmlinux.tmp.gz separate build targets, avoid removing vmlinux.tmp during vmlinux.tmp.gz build. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: move headers files to arch/xtensa/includeChris Zankel2008-11-061-1/+1
| | | | | | | | | | | | | | Move all header files for xtensa to arch/xtensa/include and platform and variant header files to the appropriate arch/xtensa/platforms/ and arch/xtensa/variants/ directories. Moving the files gets also rid of all uses of symlinks in the Makefile. This has been completed already for the majority of the architectures and xtensa is one out of six missing. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Chris Zankel <chris@zankel.net>
* [XTENSA] Fix makefile to work with binutils-2.18.Bob Wilson2008-02-141-2/+2
| | | | | | | | | | When building with binutils-2.18, vmlinux includes .note.gnu.build-id sections that need to be stripped out when building the binary image. The old .xt.insn sections haven't been used for a long time, so don't bother stripping them. Signed-off-by: Bob Wilson <bob.wilson@acm.org> Signed-off-by: Chris Zankel <chris@zankel.net>
* [XTENSA] Use preprocessor to generate the linker script for the ELF boot imageChris Zankel2008-02-142-3/+5
| | | | | Signed-off-by: Marc Gauthier <marc@tensilica.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* [XTENSA] adjust boot linker script start addressesMarc Gauthier2008-02-141-0/+1
| | | | | | | | | | Move boot-redboot load address from 0xD0200000 to 0xD1000000 to make space for larger kernel images, in particular those with an embedded initramfs filesystem. Also properly set the ELF start address in boot-elf images so that PC need not be set manually when loading them using GDB. Signed-off-by: Marc Gauthier <marc@tensilica.com>
* [PATCH] xtensa: remove extra header filesChris Zankel2006-12-101-3/+0
| | | | | | | | | | | The Xtensa port contained many header files that were never needed. This rather lengthy patch removes all those files. Unfortunately, there were many dependencies that needed to be updated, so this patch touches quite a few source files. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Remove obsolete #include <linux/config.h>Jörn Engel2006-06-301-1/+0
| | | | | Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* [PATCH] xtensa: Removed local copy of zlib and fixed O= supportChris Zankel2005-06-301-2/+2
| | | | | | | | | | 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 <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] xtensa: Architecture support for Tensilica Xtensa Part 2Chris Zankel2005-06-243-0/+160
The attached patches provides part 2 of an architecture implementation for the Tensilica Xtensa CPU series. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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