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* dma: select ARCH_DMA_DEFAULT_COHERENT for x86 and sandboxAhmad Fatoum2024-01-111-0/+1
| | | | | | | | | | | | | | | | | | Linux only considers the value of CONFIG_ARCH_DMA_DEFAULT_COHERENT if the architecture also defines either of: - CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE - CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU - CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL We don't have those in barebox and also have less architectures to support, so we'll just select ARCH_DMA_DEFAULT_COHERENT from all architectures where this applies to: x86, sandbox and RISC-V. RISC-V already selects it, so we add it to the other two. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Link: https://lore.barebox.org/20240110160112.4134162-3-a.fatoum@pengutronix.de Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* console: move ARCH_HAS_CTRLC into KconfigAhmad Fatoum2023-11-211-0/+1
| | | | | | | | | | We should do away altogether with <asm/common.h>, so prepare for doing that in the future by moing the only content it has on sandbox into Kconfig. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Link: https://lore.barebox.org/20231109124326.1499612-1-a.fatoum@pengutronix.de Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: move sandbox-specific options into menuAhmad Fatoum2023-10-131-6/+10
| | | | | | | | | | The two sandbox related options are shown in the top-level menu. Move them into an architecture-specific menu instead as done for other architectures. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Link: https://lore.barebox.org/20231009115201.2210460-2-a.fatoum@pengutronix.de Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: drop CONFIG_HAS_ASM_DEBUG_LLSascha Hauer2023-03-031-1/+1
| | | | | | | | | | | When CONFIG_HAS_ASM_DEBUG_LL is set then include/debug_ll.h includes asm/debug_ll.h, otherwise it includes mach/debug_ll.h. Drop this option and instead always include asm/debug_ll.h and include mach/debug_ll.h from there if necessary. This also adds the missing asm/debug_ll.h for architectures which previously did not have that file. Link: https://lore.barebox.org/20230302111606.1054037-6-s.hauer@pengutronix.de Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* treewide: rename CONFIG_HAS_ARCH_SJLJ to CONFIG_ARCH_HAS_SJLJAhmad Fatoum2022-12-071-1/+1
| | | | | | | | | We have 9 symbols beginning with ARCH_HAS, but only with HAS_ARCH. Change it over for symmetry. No functional change. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Link: https://lore.barebox.org/20221205133033.3008535-1-a.fatoum@pengutronix.de Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: implement DEBUG_LL supportAhmad Fatoum2022-10-051-0/+1
| | | | | | | | | | | | We can't currently debug malloc() or early parts of the driver model on sandbox, because we require both to allocate the sandbox console device. To make debugging such early startup easier in future, add some simple DEBUG_LL support. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Link: https://lore.barebox.org/20221004154800.3457742-1-a.fatoum@pengutronix.de Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* treewide: add SPDX-License-Identifier for Kbuild/KconfigAhmad Fatoum2022-01-051-0/+2
| | | | | | | | | | | | | | | To verify only Kconfig/Makefile is touched: git show --numstat --format=oneline HEAD | grep -v 'Kconfig\|Makefile' will print only arch/powerpc/Kbuild. To verify nothing unexpected is added: git show -U0 | grep '^-[^-]\|^+[^+]' | sort -u Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Link: https://lore.barebox.org/20220103120539.1730644-3-a.fatoum@pengutronix.de Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* bthread: disable ASan accounting for fibers on 32-bit sandboxAhmad Fatoum2021-03-221-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For the sandbox architecture, we use __sanitizer_start_switch_fiber and __sanitizer_finish_switch_fiber to tell ASan when we switch stacks. If we don't, ASan complains that: ==2472828==WARNING: ASan is ignoring requested __asan_handle_no_return: stack top: 0xff9fc000; bottom 0xf3be8000; size: 0x0be14000 (199311360) False positive error reports may follow For details see https://github.com/google/sanitizers/issues/189 This works on 64-bit sandbox, but 32-bit sandbox currently crashes on bthread -v: ==2469590==AddressSanitizer CHECK failed: ../../../../../src/libsanitizer/asan/asan_poisoning.cpp:37 "((AddrIsAlignedByGranularity(addr + size))) != (0)" (0x0, 0x0) #0 0xf7a4aa46 in AsanCheckFailed ../../../../../src/libsanitizer/asan/asan_rtl.cpp:73 #1 0xf7a6b5cf in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) ../../../../../src/libsanitizer/sanitizer_common/sanitizer_termination.cpp:78 #2 0xf7a4489f in __asan::PoisonShadow(unsigned long, unsigned long, unsigned char) ../../../../../src/libsanitizer/asan/asan_poisoning.cpp:37 #3 0xf7a4c81b in __asan_handle_no_return ../../../../../src/libsanitizer/asan/asan_rtl.cpp:595 #4 0x566a1ce7 in bthread_schedule /home/a3f/dl/barebox-stm32mp/common/bthread.c:178 #5 0x566a1d54 in bthread_reschedule /home/a3f/dl/barebox-stm32mp/common/bthread.c:165 #6 0x566a1d80 in bthread_trampoline /home/a3f/dl/barebox-stm32mp/common/bthread.c:56 #7 0x567f5bfb in coroutine_bootstrap (/home/a3f/dl/build/barebox/sandbox/barebox+0x1bdbfb) #8 0x567f5c4b in coroutine_trampoline (/home/a3f/dl/build/barebox/sandbox/barebox+0x1bdc4b) #9 0xf7f7056f (linux-gate.so.1+0x56f) #10 0xf7f70558 (linux-gate.so.1+0x558) #11 0x56892fff (/home/a3f/dl/build/barebox/sandbox/barebox+0x25afff) Just disable the special ASan accounting there until this is figured out. bthreads still function there, but ASan may yield false positives according to the message. This does not affect non-sandbox platforms. Signed-off-by: Ahmad Fatoum <ahmad@a3f.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: asm: implement setjmp/longjmp/initjmpAhmad Fatoum2021-03-171-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | To extend incoming bthread support to sandbox, implement setjmp, longjmp and initjmp. Unlike bare metal platforms, setjmp() and longjmp() are readily provided on standard-conforming hosted platforms. initjmp() on the other hand requires us to be able to invoke a function with a user-supplied stack pointer, which isn't possible in standard C. For POSIX systems, there are two methods to portably achieve this though: - Use makecontext(2) to set up a new context. makecontext(2) was however removed in POSIX.1-2008 and at least GCC 10.2.1 ASan complains that it "doesn't fully support makecontext/swapcontext functions and may produce false positives in some cases!" - Use sigaltstack to set a new signal stack, raise the signal call, setjmp in the signal handler to store the new stack pointer, return regularly from signal handler and then longjmp back Both methods are implemented in QEMU. While QEMU uses the makecontext method by default, for the reasons described, import the second implementation and use it implement initjmp. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: migrate to SDL 2.0Ahmad Fatoum2021-02-081-0/+3
| | | | | | | | | | | | | | | | | | | | | | | SDL 2.0 has been released more than 7 years ago and should be available everywhere. Replace barebox's SDL 1.2 with SDL 2.0 instead: - better maintained - At least on Debian, you can't install x86_64 and i386 libsdl-dev at the same time, which makes a quick use of CONFIG_SANDBOX_LINUX_I386 harder as the user needs to reinstall libraries. With SDL 2.0, it works - SDL 2.0 has easier audio API, which will be used in a later commit - Wayland support for sandbox video driver Port to SDL 2.0 and as we touch everything anyway, rename the sdl_ functions to start with sdl_video_ to differentiate from upcoming sdl_sound_. Signed-off-by: Ahmad Fatoum <ahmad@a3f.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: Kconfig: select all of PARTITION_DISK's dependenciesAhmad Fatoum2021-02-041-0/+1
| | | | | | | | | `make hosttools_defconfig` shows that PARTITION_DISK was selected without all its dependencies being enabled as well. Select the missing PARTITION symbol to fix this. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: retire CONFIG_LINUX symbol in favor of CONFIG_SANDBOXAhmad Fatoum2020-11-271-5/+1
| | | | | | | | | | | | | 5211e428cbab ("image: Convert the IH_... values to enums") removed the IH_ARCH_LINUX enumeration value leading to breakage of sandbox configurations that enable bootm. Instead of reinstating IH_ARCH_LINUX, just use IH_ARCH_SANDBOX and remove mention of CONFIG_LINUX altogether, it's always true anyway when CONFIG_SANDBOX is true. Fixes: 5211e428cbab ("image: Convert the IH_... values to enums") Cc: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Ahmad Fatoum <ahmad@a3f.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: fix link error when UBSAN is selected without ASANAhmad Fatoum2020-10-191-6/+1
| | | | | | | | | | | | | dc7f1fce6747 ("sandbox: fix SANDBOX_UNWIND dependency to be KASAN only") already restricted ARCH_HAS_STACK_DUMP to be dependent only on AddressSanitizer being available. This change got lost by an erroneous merge conflict resolution in 39bdcdfb814a ("Merge branch 'for-next/misc' into master"). Fix it up. Fixes: 39bdcdfb814a ("Merge branch 'for-next/misc' into master") 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 Hauer2020-09-251-0/+10
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| * sandbox: hostfile: support registering images as barebox block devicesAhmad Fatoum2020-09-151-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While we can mount file systems on cdevs in barebox, partition table parsing only works for block devices. Allow for --image=argument,blkdev to try to mount an image as block device. This will fail for files that aren't of a multiple of the 512 byte block size. Host OS block devices are suitable for use as barebox block devices always, so that's the default unless overridden with a ,cdev suffix. The initcall level has been changed to occur after fs initcall level. This is required, because we can't have automounts without / mounted. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * sandbox: implement actual sandbox reset via exec(2)Ahmad Fatoum2020-09-151-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Linux, /proc/self/exe is a symlink to the originally exec(2)d executable. We can exec that with the original argv to simulate a reset. This is useful for shorter development cycles on sandbox and in future, could be used to test barebox behavior around resets (e.g. reset reason can be passed through via libc environment). We leave the original hanging reset in place though, because: - Many boards have multiple reset providers and incoming patches will allow users to select a specific one. Having this on sandbox as well makes testing easier. - /proc/self/exe is Linux-specific and wouldn't work when being run on e.g. BSDs or macOS Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * sandbox: fix SANDBOX_UNWIND dependency to be KASAN onlyAhmad Fatoum2020-09-141-1/+1
| | | | | | | | | | | | | | | | | | gcc v9.3.0's libubsan does not export a __sanitizer_print_stack_trace symbol. Play it safe and avoid possible linker errors by having the optional SANDBOX_UNWIND depend only on CONFIG_KASAN. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | sandbox: rename KASan to ASanSascha Hauer2020-09-211-2/+2
|/ | | | | | | | | sandbox really has ASan support, that is address sanitizer with the help of the userspace library libasan. In contrast KASan is used on real hardware where we have to implement our own support code. Rename sandbox KASan to ASan to not clash with upcoming KASan support. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: specify sizeof(dma_addr_t) == sizeof(phys_addr_t) == 8 on 64BITAhmad Fatoum2020-07-141-0/+5
| | | | | | | | | | | | | sizeof(dma_addr_t) == 8 shouldn't introduce any functional change, because we can't have DMA on sandbox. For now it suppresses benign warnings about mismatched pointer and integer sizes when some headers are included. sizeof(phys_addr_t) == 8 was already the case on systems with __x86_64__. As CONFIG_64BIT now is set according to the bitness of the compiler, we can migrate this fully to Kconfig. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: select HAS_DMAAhmad Fatoum2020-06-031-0/+1
| | | | | | | | With the DMA stubs in place, we can indicate HAS_DMA in good conscience. Do so. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: support forcing 32-bit x86Ahmad Fatoum2020-06-031-0/+7
| | | | | | | | | | | | | If gcc supports multiple architectures, barebox uses only the default when compiling for ARCH=sandbox, this is e.g. the case with compilers that generate both 32- and 64-bit x86 executables. There can be good reasons to force 32-bit though, e.g. to reduce memory consumption while fuzzing or to temporarily avoid 32-to-64-bit warnings, while running the static analyzer. Add an option for this. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: define CONFIG_64BIT as appropriateAhmad Fatoum2020-06-031-0/+9
| | | | | | | | | | | All 64-bit architectures are supposed to define CONFIG_64BIT to support the relevant 64-bit MMIO accessors. The sandbox architecture is a bit of a special case, because barebox uses the toolchain default and doesn't force a bitness. Add 64BIT as promptless symbol, which reflects the pointer size of the target platform. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/sandbox'Sascha Hauer2019-09-121-3/+0
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| * sandbox: remove unused ARCH_LINUX Kconfig symbolAhmad Fatoum2019-08-281-3/+0
| | | | | | | | | | | | | | It's not referenced anywhere anymore, so drop it. Signed-off-by: Ahmad Fatoum <ahmad@a3f.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | sandbox: support Address and UndefinedBehavior sanitizersAhmad Fatoum2019-09-091-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | For the hosted implementation, we just need to pass the appropriate options at compile and link time. No further arch-specific code needed. Because we define our own handlers in lib/ubsan.c, linking against libubsan isn't strictly required. We do it anyway on sandbox, so we can use the backtrace functionality within. Signed-off-by: Ahmad Fatoum <ahmad@a3f.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | sandbox: use sanitizer unwind for dump_stack if availableAhmad Fatoum2019-09-091-0/+6
|/ | | | | | | | The sanitize unwind looks pretty and is just a function call away if we are compiling with KASAN or UBSAN. Use it if available. Signed-off-by: Ahmad Fatoum <ahmad@a3f.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* kconfig: include common Kconfig files from top-level KconfigAntony Pavlov2018-12-031-8/+0
| | | | | | | | | | | | | Based on this linux kernel commit: > commit 1572497cb0e6d2016078bc9d5a95786bb878389f > Author: Christoph Hellwig <hch@lst.de> > Date: Tue Jul 31 13:39:30 2018 +0200 > > kconfig: include common Kconfig files from top-level Kconfig Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: add gpio support with libftdi1Antony Pavlov2018-01-291-0/+1
| | | | | Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: add support to pass dtb to bareboxMarc Kleine-Budde2015-03-061-0/+1
| | | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Set model and hostname at boardlevelSascha Hauer2013-08-161-3/+0
| | | | | | | | | | | | With multiboard support the compiletime generated BOARDINFO string gets more and more meaningless. This removes it from Kconfig and replaces it with a variable that can be set at boardlevel. Also many boards have a standard setting for the hostname in the environment. This patch also moves the standard to C code by calling barebox_set_hostname(). Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: add sdl video supportJean-Christophe PLAGNIOL-VILLARD2012-09-251-0/+3
| | | | | | | | | | | | This will allow speed up the dev on framebuffer. By default the resolution is VGA but this can be changed via cmdline. We use a pthread to Flip the screen every 100ms as we can not detect when barebox update it as barebox simpliy write in a buffer. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* move digest to crypto/Jean-Christophe PLAGNIOL-VILLARD2011-10-121-0/+1
| | | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Bitops:Remove generic_funcsNishanth Menon2008-08-151-0/+1
| | | | | | | Use asm-generic/bitops/xyz.h instead of using generic_xyz functions. Signed-off-by: Nishanth Menon <x0nishan@ti.com>
* Subject: clean up TEXT_BASERobert Schwebel (Laptop)2007-09-251-3/+3
| | | | | | | This patch makes TEXT_BASE a consistent per-arch config switch. Additionally, it converts all TEXT_BASE occurences from string to hex. Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
* arch/linux -> arch/sandboxSascha Hauer2007-07-121-0/+21
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