summaryrefslogtreecommitdiff
path: root/src/arch/x86/cpu_common.c
AgeCommit message (Collapse)Author
2024-03-19arch/x86: Directly return result of `IS_POWER_OF_2()`Paul Menzel
Change-Id: I314d726deaed30e69121126ba6834e4c7cafd090 Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de> Reviewed-on: https://review.coreboot.org/c/coreboot/+/81299 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com>
2024-03-17arch/x86: Add API to check if cache sets are power-of-twoSubrata Banik
Introduce a function to determine whether the number of cache sets is a power of two. This aligns with common cache design practices that favor power-of-two counts for efficient indexing and addressing. BUG=b:306677879 BRANCH=firmware-rex-15709.B TEST=Verified functionality on google/ovis and google/rex (including a non-power-of-two Ovis configuration). Change-Id: I819e0d1aeb4c1dbe1cdf3115b2e172588a6e8da5 Signed-off-by: Subrata Banik <subratabanik@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/81268 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2023-12-22x86: Separate CPU and SoC physical address sizeJeremy Compostella
The physical address size of the System-on-Chip (SoC) can be different from the CPU physical address size. These two different physical address sizes should be used for settings of their respective field. For instance, the physical address size related to the CPU should be used for MTRR programming while the physical address size of the SoC should be used for MMIO resource allocation. Typically, on Meteor Lake, the CPUs physical address size is 46 if TME is disabled and 42 if TME is enabled but Meteor Lake SoC physical address size is always 42. As a result, MTRRs should reflect the TME status while coreboot MMIO resource allocator should always use 42 bits. This commit introduces `SOC_PHYSICAL_ADDRESS_WIDTH' Kconfig to set the physical address size of the SoC for those SoCs. BUG=b:314886709 TEST=MTRR are aligned between coreboot and FSP Change-Id: Icb76242718581357e5c62c2465690cf489cb1375 Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/79665 Reviewed-by: Paul Menzel <paulepanter@mailbox.org> Reviewed-by: Subrata Banik <subratabanik@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2023-10-06arch/x86/cpu_common: Add cpu_get_c_substate_supportPatrick Rudolph
Add a function to get the number of substates supported by an Intel CPU C-state. Test: Can read out the supported C-state substates. Change-Id: Ie57e87609ea5d6ec6f37154e8b84f1e9574aa4a9 Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/78224 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2023-09-29*/include/cpu: use unsigned int for number of address bitsFelix Held
The number of physical address bits and reserved address bits shouldn't ever be negative, so change the return type of cpu_phys_address_size, get_reserved_phys_addr_bits, and get_tme_keyid_bits from int to unsigned int. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I9e67db6bf0c38f743b50e7273449cc028de13a8c Reviewed-on: https://review.coreboot.org/c/coreboot/+/78072 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com> Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com> Reviewed-by: Varshit Pandya <pandyavarshit@gmail.com>
2023-09-26arch/x86/cpu_common: use cpuid_get_max_funcFelix Held
Use cpuid_get_max_func instead of open-coding the same functionality in cpu_check_deterministic_cache_cpuid_supported. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I590f0c840bc62bbd0b5038c5827367d811e30d10 Reviewed-on: https://review.coreboot.org/c/coreboot/+/78108 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
2023-09-23arch/x86/cpu_common: use cpuid_e[a,c]xFelix Held
Use cpuid_eax and cpuid_ecx instead of sort-of open-coding the same functionality in cpu_check_deterministic_cache_cpuid_supported. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: Ib0dc2be4f602bf63183b9096e38403ae2f45d959 Reviewed-on: https://review.coreboot.org/c/coreboot/+/78058 Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2023-09-23arch/x86/cpu_common: use cpu_cpuid_extended_levelFelix Held
Use cpu_cpuid_extended_level instead of open-coding the same functionality in cpu_check_deterministic_cache_cpuid_supported. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I4ea22c3997769179311f3c8822e6d8cc15a8834c Reviewed-on: https://review.coreboot.org/c/coreboot/+/78057 Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com> Reviewed-by: Paul Menzel <paulepanter@mailbox.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2023-09-12arch/x86: Reduce max phys address size for Intel TME capable SoCsJeremy Compostella
On Intel SoCs, if TME is supported, TME key ID bits are reserved and should be subtracted from the maximum physical addresses available. BUG=288978352 TEST=Verified that DMAR ACPI table `Host Address Width` field on rex went from 45 to 41. Signed-off-by: Cliff Huang <cliff.huang@intel.com> Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com> Change-Id: I9504a489782ab6ef8950a8631c269ed39c63f34d Reviewed-on: https://review.coreboot.org/c/coreboot/+/77613 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com> Reviewed-by: Bora Guvendik <bora.guvendik@intel.com> Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
2022-10-26arch/x86: Clean up includesElyes Haouas
Signed-off-by: Elyes Haouas <ehaouas@noos.fr> Change-Id: Id2db229dec2ed44333faaa8c53f3a2f9d66d52e0 Reviewed-on: https://review.coreboot.org/c/coreboot/+/68200 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
2021-09-03arch/x86: Skip returning default leaf value as `0`Subrata Banik
`cpu_get_cache_info_leaf()` function is responsible to report leaf value for CPU that have support for deterministic cache cpuid. As per available datasheets from AMD and Intel the supported CPUID leafs are 0x8000_001d for AMD and 0x04 for Intel. Hence, this CL skips returning default leaf value as `0`. TEST=Verified fixes: e2b5fee3b006 (arch/x86: smbios write 7 table using deterministic cache functions) hang issue on ASRock E350M1. Change-Id: Iee33b39298e7821ac5280d998172b58a70c8715b Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/57305 Reviewed-by: Paul Menzel <paulepanter@mailbox.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2021-08-11arch/x86: Helper functions to get deterministic cache parametersSubrata Banik
This patch creates helper function that internally detects the CPU type (AMD or Intel) and pick the leaf to send CPUID instruction with different cache level to retrieve deterministic cache parameters. Lists of helper functions generated as part of this CL : 1. cpu_check_deterministic_cache_cpuid_supported => if CPU has support for deterministic cache using CPUID instruction. 2. cpu_get_cache_ways_assoc_info => Get cache ways for associativity. 3. cpu_get_cache_type => Get cache type. 4. cpu_get_cache_level => Get cache level. 5. cpu_get_cache_phy_partition_info => Get cache physical partitions. 6. cpu_get_cache_line_size => Get cache line size. 7. cpu_get_cache_sets => Get cache number of sets. 8. cpu_is_cache_full_assoc => Check if cache is fully associative. 9. cpu_get_max_cache_share => Cores are sharing this cache. 10. get_cache_size => Calculate the cache size. 11. fill_cpu_cache_info => Fill cpu_cache_info structure. Change-Id: I0dd701fb47460092448b64c7fa2162f762bf3095 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/55965 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
2021-07-06arch/x86: Use ENV_X86_64 instead of _x86_64_Patrick Rudolph
Tested on Intel Sandybridge x86_64 and x86_32. Change-Id: I152483d24af0512c0ee4fbbe8931b7312e487ac6 Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/44867 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2020-05-11treewide: Remove "this file is part of" linesPatrick Georgi
Stefan thinks they don't add value. Command used: sed -i -e '/file is part of /d' $(git grep "file is part of " |egrep ":( */\*.*\*/\$|#|;#|-- | *\* )" | cut -d: -f1 |grep -v crossgcc |grep -v gcov | grep -v /elf.h |grep -v nvramtool) The exceptions are for: - crossgcc (patch file) - gcov (imported from gcc) - elf.h (imported from GNU's libc) - nvramtool (more complicated header) The removed lines are: - fmt.Fprintln(f, "/* This file is part of the coreboot project. */") -# This file is part of a set of unofficial pre-commit hooks available -/* This file is part of coreboot */ -# This file is part of msrtool. -/* This file is part of msrtool. */ - * This file is part of ncurses, designed to be appended after curses.h.in -/* This file is part of pgtblgen. */ - * This file is part of the coreboot project. - /* This file is part of the coreboot project. */ -# This file is part of the coreboot project. -# This file is part of the coreboot project. -## This file is part of the coreboot project. --- This file is part of the coreboot project. -/* This file is part of the coreboot project */ -/* This file is part of the coreboot project. */ -;## This file is part of the coreboot project. -# This file is part of the coreboot project. It originated in the - * This file is part of the coreinfo project. -## This file is part of the coreinfo project. - * This file is part of the depthcharge project. -/* This file is part of the depthcharge project. */ -/* This file is part of the ectool project. */ - * This file is part of the GNU C Library. - * This file is part of the libpayload project. -## This file is part of the libpayload project. -/* This file is part of the Linux kernel. */ -## This file is part of the superiotool project. -/* This file is part of the superiotool project */ -/* This file is part of uio_usbdebug */ Change-Id: I82d872b3b337388c93d5f5bf704e9ee9e53ab3a9 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41194 Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-03-06src/arch/x86: Convert to SPDX license headerPatrick Georgi
This also drops individual copyright notices, all mentioned authors in that part of the tree are listed in AUTHORS. Change-Id: Ib5a92bb46ff2b9d2928aae3763daec71747044c2 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/39284 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
2019-07-02arch/x86: Fix cpu_cpuid_extended_level() return typeElyes HAOUAS
`cpuid_eax()` returns an unsigned integer. Change-Id: Iebb6501130bc9ae333d45ae9d2e10c918245a6d1 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/33814 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Subrata Banik <subrata.banik@intel.com> Reviewed-by: Nico Huber <nico.h@gmx.de>
2018-12-13cpuid: Add helper function for cpuid(1) functionsSubrata Banik
This patch introduces 3 helper function for cpuid(1) : 1. cpu_get_cpuid() -> to get processor id (from cpuid.eax) 2. cpu_get_feature_flags_ecx -> to get processor feature flag (from cpuid.ecx) 3. cpu_get_feature_flags_edx -> to get processor feature flag (from cpuid.edx) Above 3 helper functions are targeted to replace majority of cpuid(1) references. Change-Id: Ib96a7c79dadb1feff0b8d58aa408b355fbb3bc50 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/30123 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
2018-06-04arch/x86: Remove unneeded includesElyes HAOUAS
Change-Id: I0b87e2b36a282c773e5f2f4a96c23aeadecb1300 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/26751 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2018-05-04arch/x86/cpu_common.c: Remove unneeded headersElyes HAOUAS
Change-Id: I4f57376138725804133059c785e89e095fd6a759 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/26000 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2016-01-14arch/x86: add missing license headersMartin Roth
These were mostly written as part of the coreboot project, so get the standard coreboot license header. memmove.c came from the linux kernel, so also gets the standard coreboot v2 license header, but gets the added attribution that it was derived from the linux kernel. Unlike many coreboot files, this file may not be re-licensed as GPL V3. Change-Id: I1fdc26b543e059f7a42d4b886f7222f4c74b959d Signed-off-by: Martin Roth <martinroth@google.com> Reviewed-on: https://review.coreboot.org/12916 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-07-13x86: flatten hierarchyStefan Reinauer
It never made sense to have bootblock_* in init, but pirq_routing.c in boot, and some ld scripts on the main level while others live in subdirectories. This patch flattens the directory hierarchy and makes x86 more similar to the other architectures. Change-Id: I4056038fe7813e4d3d3042c441e7ab6076a36384 Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-on: http://review.coreboot.org/10901 Tested-by: build bot (Jenkins) Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 08:27:52 +0000