GNUBoot/coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity
coreboot-kgpe-d16/src/include/symbols.h

79 lines
2.4 KiB
C
Raw Normal View History

New mechanism to define SRAM/memory map with automatic bounds checking This patch creates a new mechanism to define the static memory layout (primarily in SRAM) for a given board, superseding the brittle mass of Kconfigs that we were using before. The core part is a memlayout.ld file in the mainboard directory (although boards are expected to just include the SoC default in most cases), which is the primary linker script for all stages (though not rmodules for now). It uses preprocessor macros from <memlayout.h> to form a different valid linker script for all stages while looking like a declarative, boilerplate-free map of memory addresses to the programmer. Linker asserts will automatically guarantee that the defined regions cannot overlap. Stages are defined with a maximum size that will be enforced by the linker. The file serves to both define and document the memory layout, so that the documentation cannot go missing or out of date. The mechanism is implemented for all boards in the ARM, ARM64 and MIPS architectures, and should be extended onto all systems using SRAM in the future. The CAR/XIP environment on x86 has very different requirements and the layout is generally not as static, so it will stay like it is and be unaffected by this patch (save for aligning some symbol names for consistency and sharing the new common ramstage linker script include). BUG=None TEST=Booted normally and in recovery mode, checked suspend/resume and the CBMEM console on Falco, Blaze (both normal and vboot2), Pinky and Pit. Compiled Ryu, Storm and Urara, manually compared the disassemblies with ToT and looked for red flags. Change-Id: Ifd2276417f2036cbe9c056f17e42f051bcd20e81 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: f1e2028e7ebceeb2d71ff366150a37564595e614 Original-Change-Id: I005506add4e8fcdb74db6d5e6cb2d4cb1bd3cda5 Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/213370 Reviewed-on: http://review.coreboot.org/9283 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Tauner <stefan.tauner@gmx.at> Reviewed-by: Aaron Durbin <adurbin@google.com>
2014-08-21 00:29:56 +02:00
/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __SYMBOLS_H
#define __SYMBOLS_H
#include <types.h>
extern u8 _dram[];
symbols.h: Add macro to define memlayout region symbols When <symbols.h> was first introduced, it only declared a handful of regions and we didn't expect that too many architectures and platforms would need to add their own later. However, our amount of platforms has greatly expanded since, and with them the need for more special memory regions. The amount of code duplication is starting to get unsightly, and platforms keep defining their own <soc/symbols.h> files that need this as well. This patch adds another macro to cut down the definition boilerplate. Unfortunately, macros cannot define other macros when they're called, so referring to region sizes as _name_size doesn't work anymore. This patch replaces the scheme with REGION_SIZE(name). Not touching the regions in the x86-specific <arch/symbols.h> yet since they don't follow the standard _region/_eregion naming scheme. They can be converted later if desired. Change-Id: I44727d77d1de75882c72a94f29bd7e2c27741dd8 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/31539 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2019-02-21 03:39:22 +01:00
#define REGION_SIZE(name) (_e##name - _##name)
RISCV: Clean up the common architectural code This version of coreboot successfully starts a Harvey (Plan 9) kernel as a payload, entering main() with no supporting assembly code for startup. The Harvey port is not complete so it just panics but ... it gets started. We provide a standard payload function that takes a pointer argument and makes the jump from machine to supervisor mode; the days of kernels running in machine mode are over. We do some small tweaks to the virtual memory code. We temporarily disable two functions that won't work on some targets as register numbers changed between 1.7 and 1.9. Once lowrisc catches up we'll reenable them. We add the PAGETABLES to the memlayout.ld and use _pagetables in the virtual memory setup code. We now use the _stack and _estack from memlayout so we know where things are. As time goes on maybe we can kill all the magic numbers. Change-Id: I6caadfa9627fa35e31580492be01d4af908d31d9 Signed-off-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-on: https://review.coreboot.org/17058 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com>
2016-10-19 17:07:13 +02:00
symbols.h: Add macro to define memlayout region symbols When <symbols.h> was first introduced, it only declared a handful of regions and we didn't expect that too many architectures and platforms would need to add their own later. However, our amount of platforms has greatly expanded since, and with them the need for more special memory regions. The amount of code duplication is starting to get unsightly, and platforms keep defining their own <soc/symbols.h> files that need this as well. This patch adds another macro to cut down the definition boilerplate. Unfortunately, macros cannot define other macros when they're called, so referring to region sizes as _name_size doesn't work anymore. This patch replaces the scheme with REGION_SIZE(name). Not touching the regions in the x86-specific <arch/symbols.h> yet since they don't follow the standard _region/_eregion naming scheme. They can be converted later if desired. Change-Id: I44727d77d1de75882c72a94f29bd7e2c27741dd8 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/31539 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2019-02-21 03:39:22 +01:00
#define DECLARE_REGION(name) \
extern u8 _##name[]; \
extern u8 _e##name[];
memlayout: Fix unified CBFS_CACHE macro commit a8aef3ac (cbfs_spi: Initialize spi_flash when initializing cbfs_cache) introduced a bug that makes the rarely-used unified CBFS_CACHE() memlayout macro break when used in conjunction with cbfs_spi.c (since that macro does not define a separate postram_cbfs_cache region). This patch fixes the problem by making all three region names always available for both the unified and split macros in every stage (and adds code to ensure we don't reinitialize the same buffer again in romstage, which might be a bad idea if previous mappings are still in use). BRANCH=None BUG=None TEST=Compiled for both kinds of macros, manually checked symbols in disassembled stages. Change-Id: I114933e93080c8eceab04bfdba3aabf0f75f8ef9 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 0f270f88e54b42afb8b5057b0773644c4ef357ef Original-Change-Id: If172d9fa3d1fe587aa449bd4de7b5ca87d0f4915 Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/318834 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/12933 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-12-17 01:07:39 +01:00
symbols.h: Add macro to define memlayout region symbols When <symbols.h> was first introduced, it only declared a handful of regions and we didn't expect that too many architectures and platforms would need to add their own later. However, our amount of platforms has greatly expanded since, and with them the need for more special memory regions. The amount of code duplication is starting to get unsightly, and platforms keep defining their own <soc/symbols.h> files that need this as well. This patch adds another macro to cut down the definition boilerplate. Unfortunately, macros cannot define other macros when they're called, so referring to region sizes as _name_size doesn't work anymore. This patch replaces the scheme with REGION_SIZE(name). Not touching the regions in the x86-specific <arch/symbols.h> yet since they don't follow the standard _region/_eregion naming scheme. They can be converted later if desired. Change-Id: I44727d77d1de75882c72a94f29bd7e2c27741dd8 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/31539 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2019-02-21 03:39:22 +01:00
DECLARE_REGION(sram)
DECLARE_REGION(timestamp)
DECLARE_REGION(preram_cbmem_console)
DECLARE_REGION(cbmem_init_hooks)
DECLARE_REGION(stack)
DECLARE_REGION(preram_cbfs_cache)
DECLARE_REGION(postram_cbfs_cache)
DECLARE_REGION(cbfs_cache)
DECLARE_REGION(payload)
New mechanism to define SRAM/memory map with automatic bounds checking This patch creates a new mechanism to define the static memory layout (primarily in SRAM) for a given board, superseding the brittle mass of Kconfigs that we were using before. The core part is a memlayout.ld file in the mainboard directory (although boards are expected to just include the SoC default in most cases), which is the primary linker script for all stages (though not rmodules for now). It uses preprocessor macros from <memlayout.h> to form a different valid linker script for all stages while looking like a declarative, boilerplate-free map of memory addresses to the programmer. Linker asserts will automatically guarantee that the defined regions cannot overlap. Stages are defined with a maximum size that will be enforced by the linker. The file serves to both define and document the memory layout, so that the documentation cannot go missing or out of date. The mechanism is implemented for all boards in the ARM, ARM64 and MIPS architectures, and should be extended onto all systems using SRAM in the future. The CAR/XIP environment on x86 has very different requirements and the layout is generally not as static, so it will stay like it is and be unaffected by this patch (save for aligning some symbol names for consistency and sharing the new common ramstage linker script include). BUG=None TEST=Booted normally and in recovery mode, checked suspend/resume and the CBMEM console on Falco, Blaze (both normal and vboot2), Pinky and Pit. Compiled Ryu, Storm and Urara, manually compared the disassemblies with ToT and looked for red flags. Change-Id: Ifd2276417f2036cbe9c056f17e42f051bcd20e81 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: f1e2028e7ebceeb2d71ff366150a37564595e614 Original-Change-Id: I005506add4e8fcdb74db6d5e6cb2d4cb1bd3cda5 Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/213370 Reviewed-on: http://review.coreboot.org/9283 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Tauner <stefan.tauner@gmx.at> Reviewed-by: Aaron Durbin <adurbin@google.com>
2014-08-21 00:29:56 +02:00
linking: lay the groundwork for a unified linking approach Though coreboot started as x86 only, the current approach to x86 linking is out of the norm with respect to other architectures. To start alleviating that the way ramstage is linked is partially unified. A new file, program.ld, was added to provide a common way to link stages by deferring to per-stage architectural overrides. The previous ramstage.ld is no longer required. Note that this change doesn't handle RELOCATABLE_RAMSTAGE because that is handled by rmodule.ld. Future convergence can be achieved, but for the time being that's being left out. BUG=chrome-os-partner:44827 BRANCH=None TEST=Built a myriad of boards. Change-Id: I5d689bfa7e0e9aff3a148178515ef241b5f70661 Signed-off-by: Aaron Durbin <adubin@chromium.org> Reviewed-on: http://review.coreboot.org/11507 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com> Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Reviewed-by: Julius Werner <jwerner@chromium.org>
2015-09-04 05:49:36 +02:00
/* "program" always refers to the current execution unit. */
symbols.h: Add macro to define memlayout region symbols When <symbols.h> was first introduced, it only declared a handful of regions and we didn't expect that too many architectures and platforms would need to add their own later. However, our amount of platforms has greatly expanded since, and with them the need for more special memory regions. The amount of code duplication is starting to get unsightly, and platforms keep defining their own <soc/symbols.h> files that need this as well. This patch adds another macro to cut down the definition boilerplate. Unfortunately, macros cannot define other macros when they're called, so referring to region sizes as _name_size doesn't work anymore. This patch replaces the scheme with REGION_SIZE(name). Not touching the regions in the x86-specific <arch/symbols.h> yet since they don't follow the standard _region/_eregion naming scheme. They can be converted later if desired. Change-Id: I44727d77d1de75882c72a94f29bd7e2c27741dd8 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/31539 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2019-02-21 03:39:22 +01:00
DECLARE_REGION(program)
memlayout: Add symbols for stage bounds Stages are inconsistent with other memlayout regions in that they don't have _<name> and _e<name> symbols defined. We have _program and _eprogram, but that always only refers to the current stage and _eprogram marks the actual end of the executable's memory footprint, not the end of the area allocated in memlayout. Both of these are sometimes useful to know, so let's add another set of symbols that allow the stage areas to be treated more similarly to other regions. Change-Id: I9e8cff46bb15b51c71a87bd11affb37610aa7df9 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/13737 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-02-19 00:46:15 +01:00
/* _<stage>_size is always the maximum amount allocated in memlayout, whereas
symbols.h: Add macro to define memlayout region symbols When <symbols.h> was first introduced, it only declared a handful of regions and we didn't expect that too many architectures and platforms would need to add their own later. However, our amount of platforms has greatly expanded since, and with them the need for more special memory regions. The amount of code duplication is starting to get unsightly, and platforms keep defining their own <soc/symbols.h> files that need this as well. This patch adds another macro to cut down the definition boilerplate. Unfortunately, macros cannot define other macros when they're called, so referring to region sizes as _name_size doesn't work anymore. This patch replaces the scheme with REGION_SIZE(name). Not touching the regions in the x86-specific <arch/symbols.h> yet since they don't follow the standard _region/_eregion naming scheme. They can be converted later if desired. Change-Id: I44727d77d1de75882c72a94f29bd7e2c27741dd8 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/31539 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2019-02-21 03:39:22 +01:00
_program_size gives the actual memory footprint *used* by current stage. */
DECLARE_REGION(decompressor)
DECLARE_REGION(bootblock)
DECLARE_REGION(verstage)
DECLARE_REGION(romstage)
DECLARE_REGION(postcar)
DECLARE_REGION(ramstage)
memlayout: Add symbols for stage bounds Stages are inconsistent with other memlayout regions in that they don't have _<name> and _e<name> symbols defined. We have _program and _eprogram, but that always only refers to the current stage and _eprogram marks the actual end of the executable's memory footprint, not the end of the area allocated in memlayout. Both of these are sometimes useful to know, so let's add another set of symbols that allow the stage areas to be treated more similarly to other regions. Change-Id: I9e8cff46bb15b51c71a87bd11affb37610aa7df9 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/13737 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-02-19 00:46:15 +01:00
New mechanism to define SRAM/memory map with automatic bounds checking This patch creates a new mechanism to define the static memory layout (primarily in SRAM) for a given board, superseding the brittle mass of Kconfigs that we were using before. The core part is a memlayout.ld file in the mainboard directory (although boards are expected to just include the SoC default in most cases), which is the primary linker script for all stages (though not rmodules for now). It uses preprocessor macros from <memlayout.h> to form a different valid linker script for all stages while looking like a declarative, boilerplate-free map of memory addresses to the programmer. Linker asserts will automatically guarantee that the defined regions cannot overlap. Stages are defined with a maximum size that will be enforced by the linker. The file serves to both define and document the memory layout, so that the documentation cannot go missing or out of date. The mechanism is implemented for all boards in the ARM, ARM64 and MIPS architectures, and should be extended onto all systems using SRAM in the future. The CAR/XIP environment on x86 has very different requirements and the layout is generally not as static, so it will stay like it is and be unaffected by this patch (save for aligning some symbol names for consistency and sharing the new common ramstage linker script include). BUG=None TEST=Booted normally and in recovery mode, checked suspend/resume and the CBMEM console on Falco, Blaze (both normal and vboot2), Pinky and Pit. Compiled Ryu, Storm and Urara, manually compared the disassemblies with ToT and looked for red flags. Change-Id: Ifd2276417f2036cbe9c056f17e42f051bcd20e81 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: f1e2028e7ebceeb2d71ff366150a37564595e614 Original-Change-Id: I005506add4e8fcdb74db6d5e6cb2d4cb1bd3cda5 Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/213370 Reviewed-on: http://review.coreboot.org/9283 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Tauner <stefan.tauner@gmx.at> Reviewed-by: Aaron Durbin <adurbin@google.com>
2014-08-21 00:29:56 +02:00
/* Arch-specific, move to <arch/symbols.h> if they become too many. */
symbols.h: Add macro to define memlayout region symbols When <symbols.h> was first introduced, it only declared a handful of regions and we didn't expect that too many architectures and platforms would need to add their own later. However, our amount of platforms has greatly expanded since, and with them the need for more special memory regions. The amount of code duplication is starting to get unsightly, and platforms keep defining their own <soc/symbols.h> files that need this as well. This patch adds another macro to cut down the definition boilerplate. Unfortunately, macros cannot define other macros when they're called, so referring to region sizes as _name_size doesn't work anymore. This patch replaces the scheme with REGION_SIZE(name). Not touching the regions in the x86-specific <arch/symbols.h> yet since they don't follow the standard _region/_eregion naming scheme. They can be converted later if desired. Change-Id: I44727d77d1de75882c72a94f29bd7e2c27741dd8 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/31539 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2019-02-21 03:39:22 +01:00
DECLARE_REGION(pagetables)
DECLARE_REGION(ttb)
DECLARE_REGION(ttb_subtables)
DECLARE_REGION(dma_coherent)
DECLARE_REGION(soc_registers)
DECLARE_REGION(framebuffer)
DECLARE_REGION(pdpt)
lib/bootmem: Prepare for OpenSBI Add a new bootmem memory type OpenSBI. It's similar to BL31 on aarch64. Required for OpenSBI integration. Change-Id: I5ceafd5a295f4284e99e12f7ea2aa4c6d1dbb188 Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34140 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
2019-07-07 13:10:56 +02:00
DECLARE_REGION(opensbi)
symbols.h: Add macro to define memlayout region symbols When <symbols.h> was first introduced, it only declared a handful of regions and we didn't expect that too many architectures and platforms would need to add their own later. However, our amount of platforms has greatly expanded since, and with them the need for more special memory regions. The amount of code duplication is starting to get unsightly, and platforms keep defining their own <soc/symbols.h> files that need this as well. This patch adds another macro to cut down the definition boilerplate. Unfortunately, macros cannot define other macros when they're called, so referring to region sizes as _name_size doesn't work anymore. This patch replaces the scheme with REGION_SIZE(name). Not touching the regions in the x86-specific <arch/symbols.h> yet since they don't follow the standard _region/_eregion naming scheme. They can be converted later if desired. Change-Id: I44727d77d1de75882c72a94f29bd7e2c27741dd8 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/31539 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2019-02-21 03:39:22 +01:00
DECLARE_REGION(bl31)
imgtec/pistachio: Add SOC_REGISTERS memory region When used with a U-boot payload it will need this region identity mapped also, so we're defining it in preparation for that functionality. Change-Id: I27cee5b58cb899433b52bd06df07b5f2105212af Signed-off-by: Ionela Voinescu <ionela.voinescu@imgtec.com> Reviewed-on: https://review.coreboot.org/12768 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2015-07-24 15:29:06 +02:00
symbols.h: Add macro to define memlayout region symbols When <symbols.h> was first introduced, it only declared a handful of regions and we didn't expect that too many architectures and platforms would need to add their own later. However, our amount of platforms has greatly expanded since, and with them the need for more special memory regions. The amount of code duplication is starting to get unsightly, and platforms keep defining their own <soc/symbols.h> files that need this as well. This patch adds another macro to cut down the definition boilerplate. Unfortunately, macros cannot define other macros when they're called, so referring to region sizes as _name_size doesn't work anymore. This patch replaces the scheme with REGION_SIZE(name). Not touching the regions in the x86-specific <arch/symbols.h> yet since they don't follow the standard _region/_eregion naming scheme. They can be converted later if desired. Change-Id: I44727d77d1de75882c72a94f29bd7e2c27741dd8 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/31539 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2019-02-21 03:39:22 +01:00
/*
* Put this into a .c file accessing a linker script region to mark that region
timestamp: Remove HAS_PRECBMEM_TIMESTAMP_REGION Kconfig This patch generalizes the approach previously used for ARM32 TTB_SUBTABLES to "auto-detect" whether a certain region was defined in memlayout.ld. This allows us to get rid of the explicit Kconfig for the TIMESTAMP region, reducing configuration redundancy and avoiding confusion when setting up future boards. (Removing armv4/bootblock_simple.c because it references this Kconfig and it is a dead file that I just forgot to remove in CL:12076.) BRANCH=None BUG=None TEST=Booted Oak and confirmed that all pre-RAM timestamps are still there. Built Nyan and Falco. Change-Id: I557a4b263018511d17baa4177963130a97ea310a Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/13652 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-02-10 01:09:15 +01:00
* as "optional". If it is defined in memlayout.ld (or anywhere else), the
* values from that definition will be used. If not, start, end and size will
* all evaluate to 0. (We can't explicitly assign the symbols to 0 in the
symbols.h: Add macro to define memlayout region symbols When <symbols.h> was first introduced, it only declared a handful of regions and we didn't expect that too many architectures and platforms would need to add their own later. However, our amount of platforms has greatly expanded since, and with them the need for more special memory regions. The amount of code duplication is starting to get unsightly, and platforms keep defining their own <soc/symbols.h> files that need this as well. This patch adds another macro to cut down the definition boilerplate. Unfortunately, macros cannot define other macros when they're called, so referring to region sizes as _name_size doesn't work anymore. This patch replaces the scheme with REGION_SIZE(name). Not touching the regions in the x86-specific <arch/symbols.h> yet since they don't follow the standard _region/_eregion naming scheme. They can be converted later if desired. Change-Id: I44727d77d1de75882c72a94f29bd7e2c27741dd8 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/31539 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2019-02-21 03:39:22 +01:00
* assembly due to https://sourceware.org/bugzilla/show_bug.cgi?id=1038.)
*/
src/include: Remove spaces before ( and after ) Fix the following error messages found by checkpatch.pl: ERROR: space prohibited after that open parenthesis '(' ERROR: space prohibited before that close parenthesis ')' TEST=Build and run on Galileo Gen2 Change-Id: I2a9a0df640c51ff3efa83dde852dd6ff37ac3c06 Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com> Reviewed-on: https://review.coreboot.org/18651 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2017-03-07 23:31:19 +01:00
#define DECLARE_OPTIONAL_REGION(name) asm (".weak _" #name ", _e" #name)
timestamp: Remove HAS_PRECBMEM_TIMESTAMP_REGION Kconfig This patch generalizes the approach previously used for ARM32 TTB_SUBTABLES to "auto-detect" whether a certain region was defined in memlayout.ld. This allows us to get rid of the explicit Kconfig for the TIMESTAMP region, reducing configuration redundancy and avoiding confusion when setting up future boards. (Removing armv4/bootblock_simple.c because it references this Kconfig and it is a dead file that I just forgot to remove in CL:12076.) BRANCH=None BUG=None TEST=Booted Oak and confirmed that all pre-RAM timestamps are still there. Built Nyan and Falco. Change-Id: I557a4b263018511d17baa4177963130a97ea310a Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/13652 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-02-10 01:09:15 +01:00
vboot: copy data structures to CBMEM for downstream use For platforms that do not employ VBOOT_STARTS_IN_ROMSTAGE, vboot verification occurs before CBMEM is brought online. In order to make vboot data structures available downstream, copy vb2_working_data from CAR/SRAM into CBMEM when CBMEM comes online. Create VBOOT_MIGRATE_WORKING_DATA config option to toggle this functionality. BUG=b:124141368, b:124192753 TEST=Built and deployed on eve with STARTS_IN_BOOTBLOCK TEST=Built and deployed on eve with STARTS_IN_ROMSTAGE TEST=util/lint/checkpatch.pl -g origin/master..HEAD TEST=util/abuild/abuild -B -e -y -c 50 -p none -x BRANCH=none Change-Id: I62c11268a83927bc00ae9bd93b1b31363b38e8cf Signed-off-by: Joel Kitching <kitching@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31329 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
2019-02-11 08:37:49 +01:00
/* Returns true when pre-RAM symbols are known to the linker.
* (Does not necessarily mean that the memory is accessible.) */
static inline int preram_symbols_available(void)
{
x86: Introduce RESET_VECTOR_IN_RAM option Create a new Kconfig symbol that allows an x86 device to begin execution when its reset vector is in DRAM and not at the traditional 0xfffffff0. The implementation will follow later, this is just to setup various ENV_xxx definitions correctly for the build environment. Change-Id: I098ecf8bf200550db1e15f178f7661c1ac516dc5 Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com> Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/35004 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
2019-04-23 00:26:23 +02:00
return !CONFIG(ARCH_X86) || ENV_ROMSTAGE_OR_BEFORE;
vboot: copy data structures to CBMEM for downstream use For platforms that do not employ VBOOT_STARTS_IN_ROMSTAGE, vboot verification occurs before CBMEM is brought online. In order to make vboot data structures available downstream, copy vb2_working_data from CAR/SRAM into CBMEM when CBMEM comes online. Create VBOOT_MIGRATE_WORKING_DATA config option to toggle this functionality. BUG=b:124141368, b:124192753 TEST=Built and deployed on eve with STARTS_IN_BOOTBLOCK TEST=Built and deployed on eve with STARTS_IN_ROMSTAGE TEST=util/lint/checkpatch.pl -g origin/master..HEAD TEST=util/abuild/abuild -B -e -y -c 50 -p none -x BRANCH=none Change-Id: I62c11268a83927bc00ae9bd93b1b31363b38e8cf Signed-off-by: Joel Kitching <kitching@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31329 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
2019-02-11 08:37:49 +01:00
}
New mechanism to define SRAM/memory map with automatic bounds checking This patch creates a new mechanism to define the static memory layout (primarily in SRAM) for a given board, superseding the brittle mass of Kconfigs that we were using before. The core part is a memlayout.ld file in the mainboard directory (although boards are expected to just include the SoC default in most cases), which is the primary linker script for all stages (though not rmodules for now). It uses preprocessor macros from <memlayout.h> to form a different valid linker script for all stages while looking like a declarative, boilerplate-free map of memory addresses to the programmer. Linker asserts will automatically guarantee that the defined regions cannot overlap. Stages are defined with a maximum size that will be enforced by the linker. The file serves to both define and document the memory layout, so that the documentation cannot go missing or out of date. The mechanism is implemented for all boards in the ARM, ARM64 and MIPS architectures, and should be extended onto all systems using SRAM in the future. The CAR/XIP environment on x86 has very different requirements and the layout is generally not as static, so it will stay like it is and be unaffected by this patch (save for aligning some symbol names for consistency and sharing the new common ramstage linker script include). BUG=None TEST=Booted normally and in recovery mode, checked suspend/resume and the CBMEM console on Falco, Blaze (both normal and vboot2), Pinky and Pit. Compiled Ryu, Storm and Urara, manually compared the disassemblies with ToT and looked for red flags. Change-Id: Ifd2276417f2036cbe9c056f17e42f051bcd20e81 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: f1e2028e7ebceeb2d71ff366150a37564595e614 Original-Change-Id: I005506add4e8fcdb74db6d5e6cb2d4cb1bd3cda5 Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/213370 Reviewed-on: http://review.coreboot.org/9283 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Tauner <stefan.tauner@gmx.at> Reviewed-by: Aaron Durbin <adurbin@google.com>
2014-08-21 00:29:56 +02:00
#endif /* __SYMBOLS_H */
Reference in a new issue Copy permalink