kernel/linux.git/arch/xtensa/Makefile, branch v5.15.208

xtensa: move core-y in arch/xtensa/Makefile to arch/xtensa/Kbuild

2021-08-11T18:37:13+00:00

Use obj-y to clean up Makefile. Signed-off-by: Masahiro Yamada Message-Id: <20210811163731.186125-4-masahiroy@kernel.org> Signed-off-by: Max Filippov

xtensa: build platform directories unconditionally

2021-08-11T18:37:13+00:00

All of arch/xtensa/platforms/*/ have Makefile. You do not need to check the presence of Makefile. Signed-off-by: Masahiro Yamada Message-Id: <20210811163731.186125-3-masahiroy@kernel.org> Signed-off-by: Max Filippov

xtensa: do not build variants directory

2021-08-11T18:37:13+00:00

None of arch/xtensa/variants/*/ has Makefile, so 'buildvar' is always empty. Perhaps, downstream variant code might be dropped in, but given the fact that none of upstream variants builds anything in their variant directory, I doubt this is needed. Signed-off-by: Masahiro Yamada Message-Id: <20210811163731.186125-2-masahiroy@kernel.org> Signed-off-by: Max Filippov

xtensa: remove unneeded exports

2021-08-11T18:37:12+00:00

These are not used in any of subdirectories. Signed-off-by: Masahiro Yamada Message-Id: <20210811163731.186125-1-masahiroy@kernel.org> Signed-off-by: Max Filippov

arch: use cross_compiling to check whether it is a cross build or not

2021-05-05T16:49:13+00:00

'cross_compiling' is defined by the top Makefile and available for arch Makefiles to check whether it is a cross build or not. A good thing is the variable name 'cross_compiling' is self-documenting. This is a simple replacement for m68k, mips, sh, for which $(ARCH) and $(SRCARCH) always match. No functional change is intended for xtensa, either. This is rather a fix for parisc because arch/parisc/Makefile defines UTS_MATCHINE depending on CONFIG_64BIT, therefore cc-cross-prefix is not working in Kconfig time. Signed-off-by: Masahiro Yamada Acked-by: Geert Uytterhoeven Acked-by: Helge Deller # parisc Acked-by: Max Filippov # xtensa

xtensa: move CONFIG_CPU_*_ENDIAN defines to Kconfig

2021-04-04T22:39:02+00:00

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 "" # 1 "" # 1 "" # 1 "" 1 $ echo __XTENSA_EB__ | xtensa-linux-gcc -E -P - 1 Signed-off-by: Masahiro Yamada Message-Id: <20210313122342.69995-1-masahiroy@kernel.org> Signed-off-by: Max Filippov

arch: xtensa: Remove CONFIG_OPROFILE support

2021-01-29T04:35:51+00:00

The "oprofile" user-space tools don't use the kernel OPROFILE support any more, and haven't in a long time. User-space has been converted to the perf interfaces. Remove the old oprofile's architecture specific support. Suggested-by: Christoph Hellwig Suggested-by: Linus Torvalds Signed-off-by: Viresh Kumar Acked-by: Robert Richter Acked-by: Max Filippov Acked-by: William Cohen Acked-by: Al Viro Acked-by: Thomas Gleixner

xtensa: add XIP kernel support

2019-11-26T19:33:38+00:00

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

xtensa: generate uapi header and syscall table header files

2018-12-03T07:45:41+00:00

System call table generation script must be run to gener- ate unistd_32.h and syscall_table.h files. This patch will have changes which will invokes the script. This patch will generate unistd_32.h and syscall_table.h files by the syscall table generation script invoked by xtensa/Makefile and the generated files against the removed files must be identical. The generated uapi header file will be included in uapi/- asm/unistd.h and generated system call table header file will be included by kernel/syscall.c file. Signed-off-by: Firoz Khan Signed-off-by: Max Filippov

Merge tag 'devicetree-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

2018-10-26T19:09:58+00:00

Pull Devicetree updates from Rob Herring: "A bit bigger than normal as I've been busy this cycle. There's a few things with dependencies and a few things subsystem maintainers didn't pick up, so I'm taking them thru my tree. The fixes from Johan didn't get into linux-next, but they've been waiting for some time now and they are what's left of what subsystem maintainers didn't pick up. Summary: - Sync dtc with upstream version v1.4.7-14-gc86da84d30e4 - Work to get rid of direct accesses to struct device_node name and type pointers in preparation for removing them. New helpers for parsing DT cpu nodes and conversions to use the helpers. printk conversions to %pOFn for printing DT node names. Most went thru subystem trees, so this is the remainder. - Fixes to DT child node lookups to actually be restricted to child nodes instead of treewide. - Refactoring of dtb targets out of arch code. This makes the support more uniform and enables building all dtbs on c6x, microblaze, and powerpc. - Various DT binding updates for Renesas r8a7744 SoC - Vendor prefixes for Facebook, OLPC - Restructuring of some ARM binding docs moving some peripheral bindings out of board/SoC binding files - New "secure-chosen" binding for secure world settings on ARM - Dual licensing of 2 DT IRQ binding headers" * tag 'devicetree-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (78 commits) ARM: dt: relicense two DT binding IRQ headers power: supply: twl4030-charger: fix OF sibling-node lookup NFC: nfcmrvl_uart: fix OF child-node lookup net: stmmac: dwmac-sun8i: fix OF child-node lookup net: bcmgenet: fix OF child-node lookup drm/msm: fix OF child-node lookup drm/mediatek: fix OF sibling-node lookup of: Add missing exports of node name compare functions dt-bindings: Add OLPC vendor prefix dt-bindings: misc: bk4: Add device tree binding for Liebherr's BK4 SPI bus dt-bindings: thermal: samsung: Add SPDX license identifier dt-bindings: clock: samsung: Add SPDX license identifiers dt-bindings: timer: ostm: Add R7S9210 support dt-bindings: phy: rcar-gen2: Add r8a7744 support dt-bindings: can: rcar_can: Add r8a7744 support dt-bindings: timer: renesas, cmt: Document r8a7744 CMT support dt-bindings: watchdog: renesas-wdt: Document r8a7744 support dt-bindings: thermal: rcar: Add device tree support for r8a7744 Documentation: dt: Add binding for /secure-chosen/stdout-path dt-bindings: arm: zte: Move sysctrl bindings to their own doc ...