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2023-09-18clean-up: Remove the no more necessary `ENV_HAS_DATA_SECTION` flagJeremy Compostella
With commit b7832de0260b042c25bf8f53abcb32e20a29ae9c ("x86: Add .data section support for pre-memory stages"), the `ENV_HAS_DATA_SECTION' flag and its derivatives can now be removed from the code. Change-Id: Ic0afac76264a9bd4a9c93ca35c90bd84e9b747a2 Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/77291 Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Maximilian Brune <maximilian.brune@9elements.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2022-08-01include: Add SPDX-License-Identifiers to files missing themMartin Roth
This adds SPDX-License-Identifiers to all of the files in src/include that are missing them or have unrecognized identifiers. Files that were written specifically for coreboot and don't have license information are licensed GPL-2.0-only, which is the license for the overall coreboot project. Files that were sourced from Linux are similarly GPL-2.0-only. The cpu/power files were committed with source that was licensed as GPL-2.0-or-later, so presumably that's the license for that entire commit. The final file, vbe.h gives a pointer to the BSD-2-Clause license at opensource.org. Change-Id: I3f8fd7848ce11c1a0060e05903fb17a7583b4725 Signed-off-by: Martin Roth <martin.roth@amd.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/66284 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Elyes Haouas <ehaouas@noos.fr> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Felix Singer <felixsinger@posteo.net>
2022-05-16rules.h: Use more consistent namingArthur Heymans
Use 'ENV' consistently and drop the redundant 'STAGE' in the naming. Change-Id: I51f2a7e70eefad12aa214e92f23e5fd2edf46698 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/64296 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Raul Rangel <rrangel@chromium.org>
2021-06-10stddef.h: Use compiler macros for built-in integer typesJacob Garber
ptrdiff_t, wchar_t, and wint_t are all integer types built-in to the C language (as opposed to being library-only types defined in a header). In the past we had to define these typedefs ourselves because of romcc, but now that it's gone we should use the GCC-provided macros to select the types the compiler expects. Signed-off-by: Jacob Garber <jgarber1@ualberta.ca> Change-Id: I0874eddf780b6e41ce773ad8b4faa595e4bbd8a7 Reviewed-on: https://review.coreboot.org/c/coreboot/+/55260 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@mailbox.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
2020-05-26Remove MAYBE_STATIC_BSS and ENV_STAGE_HAS_BSS_SECTIONKyösti Mälkki
After removal of CAR_MIGRATION there are no more reasons to carry around ENV_STAGE_HAS_BSS_SECTION=n case. Replace 'MAYBE_STATIC_BSS' with 'static' and remove explicit zero-initializers. Change-Id: I14dd9f52da5b06f0116bd97496cf794e5e71bc37 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/40535 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
2019-12-19Drop ROMCC code and header guardsArthur Heymans
Change-Id: I730f80afd8aad250f26534435aec24bea75a849c Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/37334 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
2019-08-26Split MAYBE_STATIC to _BSS and _NONZERO variantsKyösti Mälkki
These are required to cover the absensce of .data and .bss sections in some programs, most notably ARCH_X86 in execute-in-place with cache-as-ram. Change-Id: I80485ebac94b88c5864a949b17ad1dccdfda6a40 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/35003 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
2019-06-24Replace ENV_RAMSTAGE with ENV_PAYLOAD_LOADERSubrata Banik
This patch relying on new rule, ENV_PAYLOAD_LOADER which is set to ENV_RAMSTAGE. This approach will help to add future optimization (rampayload) in coreboot flow if required. Change-Id: Ib54ece7b9e5f281f8a092dc6f38c07406edfa5fa Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/32725 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: ron minnich <rminnich@gmail.com>
2019-03-08coreboot: Replace all IS_ENABLED(CONFIG_XXX) with CONFIG(XXX)Julius Werner
This patch is a raw application of find src/ -type f | xargs sed -i -e 's/IS_ENABLED\s*(CONFIG_/CONFIG(/g' Change-Id: I6262d6d5c23cabe23c242b4f38d446b74fe16b88 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31774 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2019-01-16buildsystem: Promote rules.h to default includeKyösti Mälkki
Does not fix 3rdparty/, *.S or *.ld or yet. Change-Id: I66b48013dd89540b35ab219d2b64bc13f5f19cda Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/17656 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
2017-07-13src/include: add IS_ENABLED() around Kconfig symbol referencesMartin Roth
Change-Id: I2fbe6376a1cf98d328464556917638a5679641d2 Signed-off-by: Martin Roth <martinroth@google.com> Reviewed-on: https://review.coreboot.org/20354 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2017-04-25lib: provide clearer devicetree semanticsAaron Durbin
The devicetree data structures have been available in more than just ramstage and romstage. In order to provide clearer and consistent semantics two new macros are provided: 1. DEVTREE_EARLY which is true when !ENV_RAMSTAGE 2. DEVTREE_CONST as a replacment for ROMSTAGE_CONST The ROMSTAGE_CONST attribute is used in the source code to mark the devicetree data structures as const in early stages even though it's not just romstage. Therefore, rename the attribute to DEVTREE_CONST as that's the actual usage. The only place where the usage was not devicetree related is console_loglevel, but the same name was used for consistency. Any stage that is not ramstage has the const C attribute applied when DEVTREE_CONST is used. Change-Id: Ibd51c2628dc8f68e0896974f7e4e7c8588d333ed Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/19333 Tested-by: build bot (Jenkins) Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com> Reviewed-by: Furquan Shaikh <furquan@google.com>
2016-04-15stddef.h: fix zeroptr's definitionPatrick Georgi
As Aaron pointed out, the old definition made the compiler emit two memory accesses, to 0 (for derefencing) and then reading at whatever address could be read from there. Change-Id: I5cdd53f5bd2d2397c43f09f3e5fa46be08744b01 Found-by: Aaron Durbin <adurbin@chromium.org> Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: https://review.coreboot.org/14342 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-01-28Provide a gcc-safe zero pointerPatrick Georgi
zeroptr is a linker object pointing at 0 that can be used to thwart GCC's (and other compilers') "dereferencing NULL is undefined" optimization strategy when it gets in the way. Change-Id: I6aa6f28283281ebae73d6349811e290bf1b99483 Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Reviewed-on: https://review.coreboot.org/12294 Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2015-09-22coreboot: introduce commonlibAaron Durbin
Instead of reaching into src/include and re-writing code allow for cleaner code sharing within coreboot and its utilities. The additional thing needed at this point is for the utilities to provide a printk() declaration within a <console/console.h> file. That way code which uses printk() can than be mapped properly to verbosity of utility parameters. Change-Id: I9e46a279569733336bc0a018aed96bc924c07cdd Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/11592 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2015-07-07stddef.h: Disable check_member() macro when compiling with CLANGStefan Reinauer
CLANG assumes that _Static_assert() is a C++11 only feature and errs out when encountering the check_member macro complaining about a reinterpret_cast. Change-Id: Id8c6b47b4f5716e6184aec9e0bc4b0e1c7aaf17c Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-on: http://review.coreboot.org/10827 Reviewed-by: Patrick Georgi <pgeorgi@google.com> Tested-by: build bot (Jenkins)
2015-04-04stddef: Add KHz, MHz and GHz constantsAaron Durbin
This patch adds some simple constants to more easily write and do math with frequencies, analogous to the existing KiB, MiB and GiB constants for sizes. BUG=None TEST=Compiled Veyron_Pinky. Original-Change-Id: I4a1927fd423eb96d3f76f7e44b451192038b02e0 Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/221800 Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> (cherry picked from commit 41bb8026818b4381d4a6d43d2d433c207c3971bc) Signed-off-by: Aaron Durbin <adurbin@chromium.org> Change-Id: I1e708b0aa53533c9ab999793ca2273c6dc68b5f6 Reviewed-on: http://review.coreboot.org/9253 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-03-09Add and consistently use wrapper macro for romstage static variablesJulius Werner
x86 systems run their romstage as execute-in-place from flash, which prevents them from having writable data segments. In several code pieces that get linked into both romstage and ramstage, this has been worked around by using a local variable and having the 'static' storage class guarded by #ifndef __PRE_RAM__. However, x86 is the only architecture using execute-in-place (for now), so it does not make sense to impose the restriction globally. Rather than fixing the #ifdef at every occurrence, this should really be wrapped in a way that makes it easier to modify in a single place. The chromeos/cros_vpd.c file already had a nice approach for a wrapper macro, but unfortunately restricted it to one file... this patch moves it to stddef.h and employs it consistently throughout coreboot. BRANCH=nyan BUG=None TEST=Measured boot time on Nyan_Big before and after, confirmed that it gained 6ms from caching the FMAP in vboot_loader.c. Original-Change-Id: Ia53b94ab9c6a303b979db7ff20b79e14bc51f9f8 Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/203033 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Reviewed-by: Stefan Reinauer <reinauer@chromium.org> (cherry picked from commit c8127e4ac9811517f6147cf019ba6a948cdaa4a5) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I44dacc10214351992b775aca52d6b776a74ee922 Reviewed-on: http://review.coreboot.org/8055 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Tested-by: build bot (Jenkins)
2015-01-14Move container_of() macro to stddef.hStefan Reinauer
It's not a SPI related macro, hence move it to stddef.h where other similar macros live. Change-Id: I1008894af7a272f1bc36d3ae6cee3881132b6ba9 Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-on: http://review.coreboot.org/8109 Tested-by: build bot (Jenkins) Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2014-09-22Add check_member macro to allow clean and easy struct offset checkingJulius Werner
This patch adds a new static assertion macro that can be used to check the offsets in structures that overlay register sets at compile time. It uses the _Static_assert() declaration from the new ISO C11 standard, which is supported (even without -std=c11) by GCC after version 4.6. (There is supposedly also support in clang, although I haven't tried it... let's deal with compiler issues when/if they turn up.) I've added it to all structures for our current ARM SoCs for now, and I think every new register overlay we add going forward should use them (at least for the last member, but feel free to add more if you think it's useful). Change-Id: If32510e7049739ad05618d363a854dc372d64386 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/179412 Reviewed-by: David Hendricks <dhendrix@chromium.org> Reviewed-by: Stefan Reinauer <reinauer@chromium.org> (cherry picked from commit cef5fa13c31375a316ca4556c0039b17c8ea7900) Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6905 Tested-by: build bot (Jenkins)
2013-11-25Make ssize_t an actual ssize_tStefan Reinauer
In the process of getting rid of compiler includes during in coreboot and libpayload, we defined size_t and ssize_t ourselves, using a GCC macro for size_t: __SIZE_TYPE__. Unfortunately, there is no __SSIZE_TYPE__, so we temporarily redefine unsigned to signed to make __SIZE_TYPE__ __SSIZE_TYPE__. Signed-off-by: Stefan Reinauer <reinauer@google.com> Change-Id: I4cf4eb0fdaa4db64277c2585fe2c1bdc0acdf02b Reviewed-on: https://gerrit.chromium.org/gerrit/49947 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Commit-Queue: Stefan Reinauer <reinauer@google.com> Tested-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/4156 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-03-16stddef.h: Add standard defines for KiB, MiB, GiB, and TiBRonald G. Minnich
Paul points out that some people like 1024*1024, others like 1048576, but in any case these are all open to typos. Define KiB, MiB, GiB, and TiB as in the standard so people can use them. Change-Id: Ic1b57e70d3e9b9e1c0242299741f71db91e7cd3f Signed-off-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-on: http://review.coreboot.org/2769 Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins)
2012-12-08stddef.h: move to generic codeStefan Reinauer
stddef.h should be fairly generic across all platforms we'd want to support, so let's move it to generic code. Change-Id: I580c9c9b54f62fadd9ea97115933e16ea0b13ada Signed-off-by: David Hendricks <dhendrix@chromium.org> Signed-off-by: Stefan Reinauer <reinauer@google.com> Signed-off-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-on: http://review.coreboot.org/2007 Tested-by: build bot (Jenkins)
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