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* Merge branch 'for-next/misc'Sascha Hauer2021-04-157-624/+37
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| * bareboximd: Use mmap when possiblySascha Hauer2021-04-141-19/+34
| | | | | | | | | | | | | | | | | | It's hard to believe but there are systems out there that are so sparse with memory that they can't afford 1MiB of RAM to read a file into. Use mmap when possible and fall back to reading into an allocated buffer otherwise. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * common: add option for shipping KCONFIG_CONFIG as /env/data/configAhmad Fatoum2021-04-131-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | Add a new option that enables access to the barebox configuration file through /env/data/config. This can be useful in environments where a fatter barebox can be tolerated (like on an EFI system partition). It could also be used to conditionally skip tests on disabled functionality in the future. Signed-off-by: Ahmad Fatoum <ahmad@a3f.at> Tested-by: Roland Hieber <rhi@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * x86: drop legacy (PC BIOS) boot in favor of EFIAhmad Fatoum2021-03-255-605/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | The 16-bit port has experienced bitrot and failed to compile with more recent linkers for at least a year. Fixing the linker error is insufficient to restore a barebox that can boot to shell. This continued breakage likely means that there are no users interested in updating. As new x86 projects should be using MACH_EFI_GENERIC anyway, retire support for 16-bit legacy boot (MACH_X86_GENERIC). Acked-by: Juergen Borleis <jbe@pengutronix.de> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | scripts: imx: add support for additional hab BlocksDenis Osterland-Heim2021-03-301-2/+50
|/ | | | | | | | | | | | | | | | This allows to specifiy additional signed blocks in the format `offset+size@address` within the imximg. It is needed by the uuu tool, which loads the image different to the imx-usb-loader. It loads the DCD always to 0x910000 in the OCRAM. So this area have to be signed as well. In my case this needs `hab_blocks 0x42c+0x1f0@0x910000`. It supports to remove quotes to support Kconfig variable here. Signed-off-by: Denis Osterland-Heim <denis.osterland@diehl.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* RISC-V: implement PBL and relocation supportAhmad Fatoum2021-03-235-0/+258
| | | | | | | | | | | | | | | | | Given that we only support a single RISC-V board, this puts us in a good position to make this a multi-image-only architecture. This commit adds the necessary bits. It's highly inspired by the ARM PBL support. Notable difference is that for relocations to be generated, it was necessary to compile with -fpic. The relocation code assumes the relocation entries to preprocessed. This is done at build-time by means of the prelink-riscv script imported from U-Boot. Actual migration to -fpic and prelinking is done along with porting erizo in a follow-up commit. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/misc'Sascha Hauer2021-03-231-3/+12
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| * scripts: imx-image: add error handling for pwriteRouven Czerwinski2021-03-161-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | Fixes the following compiler warning: scripts/imx/imx-image.c: In function ‘main’: scripts/imx/imx-image.c:988:3: warning: ignoring return value of ‘pwrite’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 988 | pwrite(outfd, bb_header, sizeof_bb_header, 0); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | scripts: imx-image: fix iMX35 header generationAlexander Kurz2021-03-111-1/+4
|/ | | | | | | | Two header copies exist in the iMX35 image. When writing the barebox_header, also write it to the second copy. Signed-off-by: Alexander Kurz <akurz@blala.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Kbuild: add compile_commands.json targetAhmad Fatoum2021-02-161-0/+237
| | | | | | | | | | | | | The JSON compilation database format specification describes a compile_commands.json file that lists how translation units are compiled by a build system. This makes integration of external tools, like IDEs, LSP servers and static analyzers easier. Import the Linux bits. The database can now be manually generated with make compile_commands.json. Signed-off-by: Ahmad Fatoum <ahmad@a3f.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* scripts: Replace license and copyright boilerplate by SPDX identifiersUwe Kleine-König2021-02-1647-686/+117
| | | | | | | | | Convert the files that licensecheck can determine to be licensed under GPL-2.0-only or GPL-2.0-or-later and also convert the copyright statements to SPDX. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* imd command: Document verbose optionSascha Hauer2020-12-071-0/+1
| | | | | | imd understands -v for verbose mode, document it in the options list. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* mxs: always build mxsimage and mxsboot toolsRoland Hieber2020-11-092-10/+1
| | | | | | | | | Both tools are used unconditionally by images/Makefile.mxs. Always build them for ARCH_MXS, and remove their prompt in the host tools section, as they are not really useful as stand-alone tools. Signed-off-by: Roland Hieber <rhi@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/sandbox' into masterSascha Hauer2020-10-141-3/+3
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| * gen-dtb-s: support x86 and other platforms with 16-bit .wordAhmad Fatoum2020-10-121-3/+3
| | | | | | | | | | | | | | | | | | | | | | On ARM, .word is 32-bit as expected in the script, but on x86 it's 16-bit, which leads to truncation. .int on the other hand is 32-bit both on ARM and x86 and very likely all other platforms we support, so change the .word to .int. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/misc' into masterSascha Hauer2020-10-142-2/+2
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| * | scripts: kwboot: allow piping full buffer size at onceAhmad Fatoum2020-10-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While buf == _buf, their type and sizeof differ. The read syscall should have the buffer size as argument, but instead got the pointer's size. This likely doesn't change high-level behavior, because read was called in a loop, so fix this. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | scripts/dtc: only append to HOST_EXTRACFLAGS instead of overwritingUwe Kleine-König2020-10-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This corresponds to Linux commit 7e2521a85c98 (that currently sits in linux-next) with the same short log. When building with $ HOST_EXTRACFLAGS=-g make the expectation is that host tools are built with debug informations. This however doesn't happen if the Makefile assigns a new value to the HOST_EXTRACFLAGS instead of appending to it. So use += instead of := for the first assignment. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | Merge branch 'for-next/buildsystem-version' into masterSascha Hauer2020-10-141-0/+3
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| * | Makefile: add buildsystem version variableSteffen Trumtrar2020-09-251-0/+3
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce a new variable to store a buildsystem version information. The exact information that is stored here (git commit, git tag,...) is defined by the buildsystem. It is intended to have the possibility to get information about the exact barebox binary, environment and configuration. The variable is utilized the same as KERNELVERSION for linux: make BUILDSYSTEM_VERSION=$COMMITISH Via scripts/mkcompile_h this information is injected into the barebox codebase. Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* / scripts: kwbimage: fix wrong return values on some errorsAhmad Fatoum2020-10-021-2/+2
|/ | | | | | | | | | Coccinelle detected that bootfrom and nandeccmode are unsigned, but check to be less than zero. Both are only used to hold the return value of functions that either return up to 0xFF on success and a negative error code otherwise. It's thus safe to make them signed. Do so. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/misc' into masterSascha Hauer2020-09-2531-527/+499
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| * scripts: compiler.h: include <sys/types.h>Robert Karszniewicz2020-09-211-0/+1
| | | | | | | | | | | | | | ulong is not a standard type, so it has to be defined explicitly. Signed-off-by: Robert Karszniewicz <avoidr@posteo.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * scripts/imx: fix typo "unkown" -> "unknown"Uwe Kleine-König2020-09-181-1/+1
| | | | | | | | | | Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * scripts: tegra: Add missing includeSascha Hauer2020-09-151-0/+1
| | | | | | | | | | | | | | Include context.h to get the prototypes for the functions defined in context.c Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * scripts: Make locally used functions staticSascha Hauer2020-09-1511-38/+38
| | | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * kconfig: update to Linux 5.9-rc2Masahiro Yamada2020-09-1417-488/+458
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The previous sync was Linux 5.7-rc2. Resync scripts/kconfig/ and scripts/Kconfig.include with Linux 5.9-rc2. Highlights: - fix and improve 'make xconfig' - remove '---help---' keyword - forbid nested 'choice' blocks Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/license' into masterSascha Hauer2020-09-254-25/+12
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| * | scripts/mxsimage: relicense to allow distribution of binary linked with OpenSSLUwe Kleine-König2020-09-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The GPL (both, versions 2 and 3) are incompatible with the OpenSSL license. According to the Free Software Foundation the copyright holders of GPL software have to provide an exception to allow this linkage. This is effectively a license change and so needs confirmation by all copyright holders. Acked-by: Marek Vasut <marex@denx.de> Cc: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | scripts/rsatoc: relicense to allow distribution of binary linked with OpenSSLUwe Kleine-König2020-09-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The GPL (both, versions 2 and 3) are incompatible with the OpenSSL license. According to the Free Software Foundation the copyright holders of GPL software have to provide an exception to allow this linkage. This is effectively a license change and so needs confirmation by all copyright holders. Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> Cc: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | scripts: convert imx-image and mxsimage to SPDXUwe Kleine-König2020-09-212-21/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | To simplify automatic license and copyright determination use SPDX tags and remove the license boiler plate. Reviewed-by: Roland Hieber <rhi@pengutronix.de> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | LICENSES: add used licenses to make spdxcheck happyUwe Kleine-König2020-09-211-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These are copied from the Linux kernel (5.9-rc3). From the Linux-syscall-note exception a few items had to be removed from the SPDX-Licenses: list to make spdxcheck happy. Also drop deprecated names like LGPL-2.1 (use LGPL-2.1-only instead) and LGPL-2.1+ (use LGPL-2.1-or-later instead). Also drop the LGPL-2.1-or-later file, this license is handled in the LGPL-2.1 file. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | scripts/spdxcheck: fix usage of non-existing variablesUwe Kleine-König2020-09-211-2/+2
| |/ | | | | | | | | Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/kbuild' into masterSascha Hauer2020-09-2510-50/+52
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| * | kbuild: introduce hostprogs-always-y and userprogs-always-yMasahiro Yamada2020-09-1510-49/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Linux commit faabed295cccc2aba2b67f2e7b309f2892d55004 You can use: hostprogs-always-y += foo as a shorthand for: hostprogs += foo always-y += foo Likewise, userprogs-always-y += foo as a shorthand for: userprogs += foo always-y += foo Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | scripts: remove redundant setupmbr addition to subdir-Masahiro Yamada2020-08-191-1/+1
| |/ | | | | | | | | | | | | | | | | | | This has already been added to subdir-$(CONFIG_X86) a few lines above. 'make mrproper' correctly descends into scripts/setupmbr/. Remove the redundant addition. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/kasan' into masterSascha Hauer2020-09-252-0/+27
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| * | Add KASan supportSascha Hauer2020-09-222-0/+27
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | KernelAddressSANitizer (KASAN) is a dynamic memory error detector. It provides a fast and comprehensive solution for finding use-after-free and out-of-bounds bugs. This adds support for KASan to barebox. It is basically a stripped down version taken from the Linux Kernel as of v5.9-rc1. Quoting the initial Linux commit 0b24becc810d ("kasan: add kernel address sanitizer infrastructure") describes what KASan does: | KASAN uses compile-time instrumentation for checking every memory access, | therefore GCC > v4.9.2 required. v4.9.2 almost works, but has issues with | putting symbol aliases into the wrong section, which breaks kasan | instrumentation of globals. | | Basic idea: | | The main idea of KASAN is to use shadow memory to record whether each byte | of memory is safe to access or not, and use compiler's instrumentation to | check the shadow memory on each memory access. | | Address sanitizer uses 1/8 of the memory addressable in kernel for shadow | memory and uses direct mapping with a scale and offset to translate a | memory address to its corresponding shadow address. | | For every 8 bytes there is one corresponding byte of shadow memory. | The following encoding used for each shadow byte: 0 means that all 8 bytes | of the corresponding memory region are valid for access; k (1 <= k <= 7) | means that the first k bytes are valid for access, and other (8 - k) bytes | are not; Any negative value indicates that the entire 8-bytes are | inaccessible. Different negative values used to distinguish between | different kinds of inaccessible memory (redzones, freed memory) (see | mm/kasan/kasan.h). | | To be able to detect accesses to bad memory we need a special compiler. | Such compiler inserts a specific function calls (__asan_load*(addr), | __asan_store*(addr)) before each memory access of size 1, 2, 4, 8 or 16. | | These functions check whether memory region is valid to access or not by | checking corresponding shadow memory. If access is not valid an error | printed. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* / scripts/imx-usb-loader: Drop duplicate definition of ALIGNUwe Kleine-König2020-09-231-2/+0
|/ | | | | | | | | | | | | | | This fixes: scripts/imx/imx-usb-loader.c:42: warning: "ALIGN" redefined #define ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1)) In file included from scripts/imx/imx-usb-loader.c:35: scripts/include/linux/kernel.h:10: note: this is the location of the previous definition #define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a) - 1) Fixes: a876d16e6ad3 ("scripts: define ALIGN(x) in scripts' <linux/kernel.h>") Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/misc' into masterSascha Hauer2020-08-181-0/+1
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| * dtc_cpp: allow to pass options per targetDenis Osterland-Heim2020-08-121-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | This patch adds support to pass extra option per target to DTC CPP. For example: DTC_CPP_FLAGS_my-board-name.dtb := -DMY_DEFINE=extra lwl-dtb-$(CONFIG_MACH_MY_BOARD_NAME) += my-board-name.dtb.o Signed-off-by: Denis Osterland-Heim <Denis.Osterland@diehl.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | scripts/rsatoc: fix printing of error message, if environment variable ↵Marc Kleine-Budde2020-08-031-2/+4
|/ | | | | | | | doen't contain a path Fixes: 128ad3cbe043 ("scripts: Add rsatoc tool") Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/kbuild'Sascha Hauer2020-07-278-20/+66
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| * scripts: use 'userprogs' to build programs for targetMasahiro Yamada2020-06-235-19/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use 'userprogs' syntax to build standalone programs for the target architecture (i.e. the same architecture as the barebox). This changes the compiler flags passed to the target programs. Previously, it used $(KBUILD_CFLAGS), which contains the same compiler flags as used for the barebox space. Going forward, it will use $(KBUILD_USERCFLAGS), which contains smaller set of compiler flags because there is no need to add low-level options for userspace builds. The shortlog will be annotated with [U]. CC [U] scripts/bareboxenv-target CC [U] scripts/kernel-install-target CC [U] scripts/bareboxcrc32-target CC [U] scripts/bareboximd-target Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * kbuild: add infrastructure to build userspace programsMasahiro Yamada2020-06-233-1/+52
| | | | | | | | | | | | | | Import Linux commit 7f3a59db274c3e3d884c785e363a054110f1c266 Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | scripts: imx-image: throw descriptive error on encountering dcdofsAhmad Fatoum2020-07-141-0/+9
| | | | | | | | | | | | | | | | | | With dcdofs renamed to ivtofs, out-of-tree boards will start to fail. Make the migration easier by suggesting what needs to be changed on stderr. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | scripts: imx-image: Add i.MX8MP supportSascha Hauer2020-07-142-1/+9
| | | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | scripts: imx-image: rename dcdofs to ivtofsSascha Hauer2020-07-143-4/+4
| | | | | | | | | | | | | | | | | | This renames the dcdofs config option in the imx-image tool to ivtofs. dcdofs is a misnomer. The DCD (Device Configuration Data) is only one part of the data linked into the IVT (Image Vector Table), but the meaning of the option is really the latter, not the former. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | scripts: imx-image: rename image_dcd_offset to image_ivt_offsetSascha Hauer2020-07-142-15/+15
| | | | | | | | | | | | | | | | | | image_dcd_offset is a misnomer, it should really be image_ivt_offset. The DCD (Device Configuration Data) is only one part of the data linked into the IVT (Image Vector Table), but the meaning of the variable is really the latter, not the former. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | scripts: imx-image: Fix writing image with IVT offset = 0Sascha Hauer2020-07-141-10/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When we have written the barebox header the next thing we do is to lseek forward by the size of the header gap. This means our position is already inside of the rest of the image and we have to skip this offset from the rest of the image. This only works when the rest of the image doesn't have anything needed in the first few bytes. Some newer SoCs have the IVT at offset 0 though, so with the current approach we skip writing the IVT. Instead of doing this we should lseek to the end of the header gap. With this we are at the right position to just write the full image containing the IVT. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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