coreboot-gerrit February 2020

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Change in ...coreboot[master]: Documentation: Explain SimpleELF
by Patrick Rudolph (Code Review) 07 Aug '23

07 Aug '23

Patrick Rudolph has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/33447 Change subject: Documentation: Explain SimpleELF ...................................................................... Documentation: Explain SimpleELF Explain coreboot's SELF format. Change-Id: Ia217af7d39505393ed9324fbe53b4ca7f3069e2e Signed-off-by: Patrick Rudolph <patrick.rudolph(a)9elements.com> --- M Documentation/lib/payloads/index.md A Documentation/lib/payloads/selfboot.md M Documentation/payloads.md 3 files changed, 44 insertions(+), 0 deletions(-) git pull ssh://review.coreboot.org:29418/coreboot refs/changes/47/33447/1 diff --git a/Documentation/lib/payloads/index.md b/Documentation/lib/payloads/index.md index 44daef1..b8eca8c 100644 --- a/Documentation/lib/payloads/index.md +++ b/Documentation/lib/payloads/index.md @@ -6,6 +6,10 @@ coreboot supports multiple payloads, depending on the architecture of the selected mainboard. +## SimpleELF + +- [SimpleELF format](selfboot.md) + ## FIT - [uImage.FIT support](fit.md) diff --git a/Documentation/lib/payloads/selfboot.md b/Documentation/lib/payloads/selfboot.md new file mode 100644 index 0000000..62a4393 --- /dev/null +++ b/Documentation/lib/payloads/selfboot.md @@ -0,0 +1,28 @@ +# Simple ELF standard + +coreboot is able to use static linked ELF binaries as payload. +To reduce complexity the ELF binaries are converted to coreboot's SimpleELF +(SELF) format. +The payload is therefore split into multiple sections by `cbfstool` at +build time, each having a unique loading address and possible compression. + +## SELF loader +The SELF loader implementation can be found in `src/lib/selfboot.c`. +It decompresses the SELF sections and places them in memory. + +If the payload overlaps with the loading stage (*RAMSTAGE*) and +`CONFIG_RELOCATABLE_RAMSTAGE` is selected, the loading stage is moved to another +location in RAM. + +SELF payloads are **never** relocatable and will always be placed at the +address they specify. If it's not possible to load the payload at the specified +address, the system won't boot. + +### Calling conventions +The SELF payload is called with a pointer to the coreboot tables as first +argument. + +**Note:** The only exception is made on [RISC-V] which does use the *HARTID* +and a pointer to the *FDT* as arguments. + +[RISC-V]: ../../arch/riscv/index.md diff --git a/Documentation/payloads.md b/Documentation/payloads.md index b1eae61..650818e 100644 --- a/Documentation/payloads.md +++ b/Documentation/payloads.md @@ -7,6 +7,12 @@ There is various software in that space that is either explicitly written as payload or can be made to work as one. +## ELF + +Executable and linking format (ELF) compatible static linked binaries can be +loaded as payload. +ELF binaries are loaded through the [SELF] boot mechanism. + ## SeaBIOS [SeaBIOS](https://www.seabios.org) is an open source implementation of @@ -14,6 +20,7 @@ since. While originally written for emulators such as QEMU, it can be made to work as a coreboot payload and all the necessary code is in SeaBIOS' mainline code. +SeaBIOS is loaded through the [SELF] boot mechanism. ## Tianocore @@ -40,3 +47,8 @@ firmware project drivers that often reinvent the wheel) and the ability to define boot policy with familiar tools, no matter if those are shell scripts or compiled userland programs written in C, Go or other programming languages. + +On x86 platforms Linux is loaded through the [SELF] boot mechanism, by adding a +*tampoline code* at the start of the kernel. + +[SELF]: lib/payloads/selfboot.md -- To view, visit https://review.coreboot.org/c/coreboot/+/33447 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: coreboot Gerrit-Branch: master Gerrit-Change-Id: Ia217af7d39505393ed9324fbe53b4ca7f3069e2e Gerrit-Change-Number: 33447 Gerrit-PatchSet: 1 Gerrit-Owner: Patrick Rudolph <patrick.rudolph(a)9elements.com> Gerrit-MessageType: newchange

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Change in coreboot[master]: util/pmh7tool: support OpenBSD
by Evgeny Zinoviev (Code Review) 07 Aug '23

07 Aug '23

Evgeny Zinoviev has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/38349 ) Change subject: util/pmh7tool: support OpenBSD ...................................................................... util/pmh7tool: support OpenBSD Change-Id: I8aeee4009fb38204b1bdbe6712d759ab17b2cbd9 Signed-off-by: Evgeny Zinoviev <me(a)ch1p.io> --- M util/pmh7tool/Makefile M util/pmh7tool/pmh7tool.c 2 files changed, 33 insertions(+), 3 deletions(-) git pull ssh://review.coreboot.org:29418/coreboot refs/changes/49/38349/1 diff --git a/util/pmh7tool/Makefile b/util/pmh7tool/Makefile index 034ed40..0df7984 100644 --- a/util/pmh7tool/Makefile +++ b/util/pmh7tool/Makefile @@ -19,6 +19,10 @@ INSTALL = /usr/bin/env install PREFIX = /usr/local +ifeq ($(shell uname -s 2>/dev/null), OpenBSD) +LDFLAGS = -lamd64 +endif + all: $(PROGRAM) $(PROGRAM): pmh7tool.o diff --git a/util/pmh7tool/pmh7tool.c b/util/pmh7tool/pmh7tool.c index f03d97e..b268f9b 100644 --- a/util/pmh7tool/pmh7tool.c +++ b/util/pmh7tool/pmh7tool.c @@ -16,13 +16,36 @@ #include <stdio.h> #include <stdlib.h> #include <getopt.h> +#if !defined __OpenBSD__ #include <sys/io.h> +#endif #include <errno.h> #include <string.h> #include <unistd.h> #include <stdint.h> #include "pmh7tool.h" +#if defined __OpenBSD__ +#include <machine/sysarch.h> +static uint8_t inb(unsigned port) +{ + uint8_t data; + __asm volatile("inb %w1,%0" : "=a" (data) : "d" (port)); + return data; +} +static __inline void outb(uint8_t data, unsigned port) +{ + __asm volatile("outb %0,%w1" : : "a" (data), "d" (port)); +} + +#if defined __i386__ +#define iopl i386_iopl +#else +#define iopl amd64_iopl +#endif + +#endif + uint8_t pmh7_register_read(uint16_t reg) { outb(reg & 0xff, EC_LENOVO_PMH7_ADDR_L); @@ -85,7 +108,7 @@ int main(int argc, char *argv[]) { enum action act = HELP; - int opt, option_index = 0; + int i, opt, option_index = 0; long input_addr = 0, input_data = 0; static struct option long_options[] = { @@ -185,15 +208,18 @@ fprintf(stderr, "You must be root.\n"); exit(1); } - +#if !defined __OpenBSD__ if (ioperm(EC_LENOVO_PMH7_BASE, 0x10, 1)) { +#else + if (iopl(3)) { +#endif fprintf(stderr, "ioperm: %s\n", strerror(errno)); exit(1); } switch (act) { case DUMP: - for (int i = 0; i < 0x200; i++) { + for (i = 0; i < 0x200; i++) { if ((i % 0x10) == 0) { if (i != 0) printf("\n"); -- To view, visit https://review.coreboot.org/c/coreboot/+/38349 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: coreboot Gerrit-Branch: master Gerrit-Change-Id: I8aeee4009fb38204b1bdbe6712d759ab17b2cbd9 Gerrit-Change-Number: 38349 Gerrit-PatchSet: 1 Gerrit-Owner: Evgeny Zinoviev <me(a)ch1p.io> Gerrit-MessageType: newchange

5 9

Change in coreboot[master]: vendorcode/amd/agesa/f16kb/Proc/Fch/Sata/Family/Yangtze: Remove redun...
by Name of user not set (Code Review) 07 Aug '23

07 Aug '23

awokd(a)danwin1210.me has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/36001 ) Change subject: vendorcode/amd/agesa/f16kb/Proc/Fch/Sata/Family/Yangtze: Remove redundant FIS code ...................................................................... vendorcode/amd/agesa/f16kb/Proc/Fch/Sata/Family/Yangtze: Remove redundant FIS code From looking at neighboring code, disabling FIS based switching appears intentional, possibly due to errata. Clean and comment code so it is apparent. Change-Id: I4529716e951a9e7b63bdee11611dd78f2d41b464 Signed-off-by: Joe Moore <awokd(a)danwin1210.me> --- M src/vendorcode/amd/agesa/f16kb/Proc/Fch/Sata/Family/Yangtze/YangtzeSataService.c 1 file changed, 4 insertions(+), 10 deletions(-) git pull ssh://review.coreboot.org:29418/coreboot refs/changes/01/36001/1 diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Sata/Family/Yangtze/YangtzeSataService.c b/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Sata/Family/Yangtze/YangtzeSataService.c index 9f526d8..293ea57 100644 --- a/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Sata/Family/Yangtze/YangtzeSataService.c +++ b/src/vendorcode/amd/agesa/f16kb/Proc/Fch/Sata/Family/Yangtze/YangtzeSataService.c @@ -367,11 +367,8 @@ AndMaskDword |= BIT12; } - if ( FchSataFisBasedSwitching ) { - AndMaskDword |= BIT10; - } else { - AndMaskDword |= BIT10; - } + // FchSataFisBasedSwitching + AndMaskDword |= BIT10; if ( FchSataAggrLinkPmCap ) { OrMaskDword |= BIT11; @@ -431,11 +428,8 @@ RwMem ((Bar5 + 0x0FC), AccessWidth32, (UINT32)~(BIT20), 0x00); } - if ( FchSataFisBasedSwitching ) { - RwMem ((Bar5 + 0x0F8), AccessWidth32, 0x00FFFFFF, 0x00); - } else { - RwMem ((Bar5 + 0x0F8), AccessWidth32, 0x00FFFFFF, 0x00); - } + // FchSataFisBasedSwitching + RwMem ((Bar5 + 0x0F8), AccessWidth32, 0x00FFFFFF, 0x00); if ( LocalCfgPtr->Sata.BiosOsHandOff == 1 ) { RwMem ((Bar5 + 0x24), AccessWidth8, (UINT32)~BIT0, BIT0); -- To view, visit https://review.coreboot.org/c/coreboot/+/36001 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: coreboot Gerrit-Branch: master Gerrit-Change-Id: I4529716e951a9e7b63bdee11611dd78f2d41b464 Gerrit-Change-Number: 36001 Gerrit-PatchSet: 1 Gerrit-Owner: awokd(a)danwin1210.me Gerrit-MessageType: newchange

4 8

Change in coreboot[master]: [WIP]Documentation: Add Intel microcode update mechanism
by Patrick Rudolph (Code Review) 07 Aug '23

07 Aug '23

Patrick Rudolph has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/36539 ) Change subject: [WIP]Documentation: Add Intel microcode update mechanism ...................................................................... [WIP]Documentation: Add Intel microcode update mechanism Document microcode updates and how secure microcode updates are done in GNU/Linux. Propose how to do microcode updates in coreboot. Change-Id: I78350fc81cb0de7b0b2d9cbd8537e6b3815916c0 Signed-off-by: Patrick Rudolph <siro(a)das-labor.org> --- M Documentation/soc/intel/index.md A Documentation/soc/intel/microcode/index.md 2 files changed, 111 insertions(+), 0 deletions(-) git pull ssh://review.coreboot.org:29418/coreboot refs/changes/39/36539/1 diff --git a/Documentation/soc/intel/index.md b/Documentation/soc/intel/index.md index f30ff9a..1cf8548 100644 --- a/Documentation/soc/intel/index.md +++ b/Documentation/soc/intel/index.md @@ -2,6 +2,10 @@ This section contains documentation about coreboot on specific Intel SOCs. +## Common + +- [Microcode updates](microcode/index.md) + ## Platforms - [Common code development strategy](code_development_model/code_development_model.md) diff --git a/Documentation/soc/intel/microcode/index.md b/Documentation/soc/intel/microcode/index.md new file mode 100644 index 0000000..b7f5949 --- /dev/null +++ b/Documentation/soc/intel/microcode/index.md @@ -0,0 +1,107 @@ +# Microcode updates on Intel CPUs + +## What are microcodes? + +```eval_rst +Microcode is a computer hardware technique that interposes a layer of +organisation between the CPU hardware and the programmer-visible +instruction set architecture of the computer. [#1]_ +``` + +In coreboot the microcode updates are stored in files in the CBFS and +are used to update the CPU microcode at runtime using a special instruction. + +## How does a microcode update look like? + +The microcode update is a binary provided by Intel consisting out of +a header and data. +The header holds the processor signature for which the update is +intented and additional metadata. +For detailed information check the [Intel SDM] 253668-060US Chapter 9.11.1 + +## When are mirocode updates done? + +Microcode updates are stored in the CPU's SRAM and thus needs to be loaded +after a hard reset. However loading microcode updates is done multiple times +in coreboot's boot sequence. + +On some CPUs it's neccessary to do an microcode update before: +* Cache-As-RAM is enabled +* Legacy Intel TXT FIT boot is run +* MultiProcessor-Init is run + +On some CPUs it's neccessary to do an microcode update after: +* SMM setup was done +* SGX setup was done + +## How to do microcode updates? + +The following chapter is based multiple sources and testing due to lack of clear +documentation. + +In order to safely update microcode on any generation the GNU/Linux kernel +"late loading mechanism" takes a conservative approach and obeys the following +rules: + +```eval_rst +* All physical CPU cores must be updated with the same microcode version [#2]_ +* Caches need to be flushed on certain CPUs prior to microcode update [#3]_ +* The sibling thread must be idle while a microcode update is ongoing [#4]_ +* All other APs on the same package should be idle (or in Wait-for-SIPI) [#5]_ +* The microcode update is done sequentially [#6]_ +``` + +The downside of this approach is that it's very slow. + +It seems to be possible to run microcode updates in parallel on APs on specific +CPUs. + +## How to do microcode updates in coreboot ramstage? + +*TBD* + +Proposal: +1. Run microcode update sequential by default +2. Flush caches in non CAR environment before running a microcode update +3. Switch to parallel microcode update after extensive testing (10000 boot cycles) + +For parallel microcde update: +1. On Intel HT enabled CPUs spinlock the slibing thread of a logical core +2. On Intel HT enabled CPUs only update one thread of a physical core +3. Synchronize microcode loading. This will make sure no other computational work + is being done while an update occurs (thus no Wait-for-SIPI). + +## Intel Hyper-Threading enabled CPUs + +```eval_rst +According to Intel SDM a Hyper-Threading enabled core shares the microcode unit +between the logical CPU cores [#4]_. Intel NetBurst CPUs must not attempt to +update the microcode on both logical cores at the same time, this is safe for +newer CPU generations. +``` + +## Where to obtain the microcode updates? + +The microcode update files can be found on Intel's [Github Microcode]. + +## References +- [Wikipedia microcode] +- [Github Microcode] +- [Intel SDM] + +------------- +```eval_rst +.. [#1] Kent, Allen; Williams, James G. (April 5, 1993). `Encyclopedia of Computer Science and Technology: Volume 28 <http://https://books.google.com/books?id=EjWV8J8CQEYC>`_ +.. [#2] `Intel SDM Document 253668-060US`_ Chapter 9.11.6.3 "Update in a System Supporting Intel Hyper-Threading Technology" +.. [#3] GNU/Linux commit by Ashok Raj `<https://lore.kernel.org/patchwork/patch/890717/>`_ +.. [#4] `Intel SDM Document 253668-060US`_ Chapter 8.8.5 "Microcode Update Resources" +.. [#5] GNU/Linux commit by Ashok Raj `<https://lore.kernel.org/patchwork/patch/890713/>`_ +.. [#6] `Intel SDM Document 253668-060US`_ Chapter 9.11.6.3 "Update in a System Supporting Intel Hyper-Threading Technology" + +.. _Intel SDM Document 253668-060US: https://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-… + +``` + +[Wikipedia microcode]: https://en.wikipedia.org/wiki/Microcode +[Github Microcode]: https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files +[Intel SDM]: https://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-… -- To view, visit https://review.coreboot.org/c/coreboot/+/36539 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: coreboot Gerrit-Branch: master Gerrit-Change-Id: I78350fc81cb0de7b0b2d9cbd8537e6b3815916c0 Gerrit-Change-Number: 36539 Gerrit-PatchSet: 1 Gerrit-Owner: Patrick Rudolph <siro(a)das-labor.org> Gerrit-MessageType: newchange

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Change in ...coreboot[master]: lib.h: Add convenient memcpy() variants
by Nico Huber (Code Review) 07 Aug '23

07 Aug '23

Nico Huber has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/32740 Change subject: lib.h: Add convenient memcpy() variants ...................................................................... lib.h: Add convenient memcpy() variants Add two macros that should help in cases where the arguments are objects (not pointers) and the count of bytes to be copied is the size of one of them (or both). * memcpy_dlen(dst, src) copies `sizeof(dst)` bytes (destination length). * memcpy_elen(dst, src) asserts that both sizes match and copies as many bytes (equal length). Change-Id: I2b23066b3bcc29ff679e620f723ce1da5057aa03 Signed-off-by: Nico Huber <nico.h(a)gmx.de> --- M src/include/lib.h 1 file changed, 15 insertions(+), 0 deletions(-) git pull ssh://review.coreboot.org:29418/coreboot refs/changes/40/32740/1 diff --git a/src/include/lib.h b/src/include/lib.h index 098d62d..6cbe6f3 100644 --- a/src/include/lib.h +++ b/src/include/lib.h @@ -18,6 +18,7 @@ #ifndef __LIB_H__ #define __LIB_H__ #include <stdint.h> +#include <string.h> #include <types.h> /* Defined in src/lib/lzma.c. Returns decompressed size or 0 on error. */ @@ -69,4 +70,18 @@ /* Integer binary logarithm (rounding up): log2_ceil(0) == -1, log2(5) == 3 */ static inline int log2_ceil(u32 x) { return (x == 0) ? -1 : log2(x * 2 - 1); } +/* memcpy destination length (memcpy_dlen) copies `sizeof(dst)` bytes. */ +#define memcpy_dlen(dst, src) memcpy(dst, src, sizeof(dst)) + +/* + * memcpy equal length (memcpy_elen) + * Asserts that both objects `dst` and `src` + * have the same size and copies as many bytes. + */ +#define memcpy_elen(dst, src) do { \ + _Static_assert(sizeof(dst) == sizeof(src), \ + "`dst` and `src` need equal length!"); \ + memcpy_dlen(dst, src); \ +} while (0) + #endif /* __LIB_H__ */ -- To view, visit https://review.coreboot.org/c/coreboot/+/32740 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: coreboot Gerrit-Branch: master Gerrit-Change-Id: I2b23066b3bcc29ff679e620f723ce1da5057aa03 Gerrit-Change-Number: 32740 Gerrit-PatchSet: 1 Gerrit-Owner: Nico Huber <nico.h(a)gmx.de> Gerrit-MessageType: newchange

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Change in ...coreboot[master]: WIP: Add complete board list with libre/blobby status
by Damien Zammit (Code Review) 07 Aug '23

07 Aug '23

Damien Zammit has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/32237 Change subject: WIP: Add complete board list with libre/blobby status ...................................................................... WIP: Add complete board list with libre/blobby status Please comment on the list so we can remove the third '?' category Change-Id: I526b453ca30d8bcb6a55b40f4e53c6852f7cf4c7 Signed-off-by: Damien Zammit <damien(a)zamaudio.com> --- A Documentation/libre-boards.csv 1 file changed, 219 insertions(+), 0 deletions(-) git pull ssh://review.coreboot.org:29418/coreboot refs/changes/37/32237/1 diff --git a/Documentation/libre-boards.csv b/Documentation/libre-boards.csv new file mode 100644 index 0000000..94c87ca --- /dev/null +++ b/Documentation/libre-boards.csv @@ -0,0 +1,219 @@ +Manufacturer/Model,Fully libre?,Reason for exclusion +amd/samba,?,Should be deleted from tree +cavium/cn8100_sff_evb,?,cavium +cubietech/cubieboard,?, +google/cheza,?,Qualcomm +google/daisy,?,Exynos +google/foster,?,Nvidia Tegra210 +google/gale,?,Qualcomm +google/gru,?,RockChip rk3399 +google/kukui,?,Mediatek mt8183 soc +google/mistral,?,Qualcomm +google/nyan,?,Nvidia Tegra124 +google/nyan_big,?,Nvidia Tegra124 +google/nyan_blaze,?,Nvidia Tegra124 +google/oak,?,Mediatek mt8173 soc +google/storm,?,Qualcomm +google/veyron,?,RockChip rk3288 +google/veyron_mickey,?,RockChip rk3288 +google/veyron_rialto,?,RockChip rk3288 +opencellular/elgon,?,cavium +sifive/hifive-unleashed,?,Sifive soc +adi/rcc-dff,n,Needs FSP for RAM init +adlink/cExpress-GFR,n,Needs VGA-ROM +adlink/CM2-GF,n,Needs VGA-ROM +advansus/a785e-i,n,Needs VGA-ROM +amd/bettong,n,Needs AMD PI for initialisation +amd/bimini_fam10,n,Needs VGA-ROM +amd/db-ft3b-lc,n,Needs AMD PI for initialisation +amd/gardenia,n,Needs AMD PI for initialisation +amd/inagua,n,Needs VGA-ROM +amd/lamar,n,Needs AMD PI for initialisation +amd/mahogany_fam10,n,Needs VGA-ROM +amd/olivehill,n,Needs VGA-ROM +amd/olivehillplus,n,Needs AMD PI for initialisation +amd/parmer,n,Needs VGA-ROM +amd/persimmon,n,Needs VGA-ROM +amd/serengeti_cheetah_fam10,n,Needs VGA-ROM +amd/south_station,n,Needs VGA-ROM +amd/thatcher,n,Needs VGA-ROM +amd/tilapia_fam10,n,Needs VGA-ROM +amd/torpedo,n,Needs VGA-ROM +amd/union_station,n,Needs VGA-ROM +aopen/dxplplusu,n,Needs VGA-ROM +asrock/e350m1,n,Needs VGA-ROM +asrock/h110m,n,Needs FSP for RAM init +asrock/h81m-hds,n,Needs FSP for RAM init +asrock/imb-a180,n,Needs VGA-ROM +asus/am1i-a,n,Needs VGA-ROM +asus/f2a85-m,n,Needs VGA-ROM +asus/f2a85-m_fam10,n,Needs VGA-ROM +asus/kcma-d8,n,Needs VGA-ROM +asus/kfsn4-dre,n,Needs VGA-ROM +asus/kfsn4-dre_k8,n,Needs VGA-ROM +asus/kgpe-d16,n,Needs VGA-ROM +asus/m4a78-em,n,Needs VGA-ROM +asus/m4a785-m,n,Needs VGA-ROM +asus/m4a785t-m,n,Needs VGA-ROM +asus/m5a88-v,n,Needs VGA-ROM +avalue/eax-785e,n,Needs VGA-ROM +bap/ode_e20XX,n,Needs VGA-ROM +bap/ode_e21XX,n,Needs AMD PI for initialisation +biostar/a68n_5200,n,Needs VGA-ROM +biostar/am1ml,n,Needs VGA-ROM +elmex/pcm205400,n,Needs VGA-ROM +elmex/pcm205401,n,Needs VGA-ROM +esd/atom15,n,Needs FSP for RAM init +facebook/watson,n,Needs FSP for RAM init +gigabyte/ma785gm,n,Needs VGA-ROM +gigabyte/ma785gmt,n,Needs VGA-ROM +gigabyte/ma78gm,n,Needs VGA-ROM +gizmosphere/gizmo,n,Needs VGA-ROM +gizmosphere/gizmo2,n,Needs VGA-ROM +google/auron,n,Needs FSP for RAM init +google/beltino,n,Needs FSP for RAM init +google/butterfly,n,Sandy/Ivy unported +google/cyan,n,Needs blob for Braswell SOC +google/dragonegg,n,Needs blob for Icelake SOC +google/eve,n,Needs FSP for RAM init +google/fizz,n,Needs FSP for RAM init +google/glados,n,Needs FSP for RAM init +google/hatch,n,Needs Blob for Cannonlake SOC +google/jecht,n,Needs FSP for RAM init +google/kahlee,n,Needs AMD PI for initialisation +google/link,n,Sandy/Ivy unported +google/octopus,n,Needs blob for GLK soc +google/parrot,n,Sandy/Ivy unported +google/poppy,n,Needs FSP for RAM init +google/rambi,n,Needs FSP for RAM init +google/reef,n,Needs FSP for RAM init +google/sarien,n,Needs blob for Whiskeylake SOC +google/slippy,n,Needs FSP for RAM init +google/stout,n,Sandy/Ivy unported +hp/abm,n,Needs VGA-ROM +hp/dl165_g6_fam10,n,Needs VGA-ROM +hp/pavilion_m6_1035dx,n,Needs VGA-ROM +ibase/mb899,n,Needs VGA-ROM +iei/kino-780am2-fam10,n,Needs VGA-ROM +intel/apollolake_rvp,n,Needs FSP for RAM init +intel/baskingridge,n,Needs FSP for RAM init +intel/bayleybay_fsp,n,Needs FSP for RAM init +intel/camelbackmountain_fsp,n,Needs FSP for RAM init +intel/cannonlake_rvp,n,Needs FSP for RAM init +intel/coffeelake_rvp,n,Needs FSP for RAM init +intel/emeraldlake2,n,Sandy/Ivy unported +intel/galileo,n,Needs FSP for RAM init +intel/glkrvp,n,Needs FSP for RAM init +intel/harcuvar,n,Needs blob for Denverton SOC +intel/icelake_rvp,n,Needs FSP for RAM init +intel/kblrvp,n,Needs FSP for RAM init +intel/kunimitsu,n,Needs FSP for RAM init +intel/leafhill,n,Needs FSP for RAM init +intel/littleplains,n,Needs FSP for RAM init +intel/minnow3,n,Needs FSP for RAM init +intel/minnowmax,n,Needs FSP for RAM init +intel/mohonpeak,n,Needs FSP for RAM init +intel/saddlebrook,n,Needs FSP for RAM init +intel/strago,n,Needs blob for Braswell SOC +intel/wtm2,n,Needs FSP for RAM init +jetway/pa78vm5,n,Needs VGA-ROM +kontron/986lcd-m,n,Needs VGA-ROM +lenovo/g505s,n,Needs VGA-ROM +lippert/frontrunner-af,n,Needs VGA-ROM +lippert/toucan-af,n,Needs VGA-ROM +msi/ms7721,n,Needs VGA-ROM +msi/ms9652_fam10,n,Needs VGA-ROM +ocp/monolake,n,Needs FSP for RAM init +ocp/wedge100s,n,Needs FSP for RAM init +opencellular/rotundu,n,Needs FSP for RAM init +pcengines/apu1,n,Needs VGA-ROM +pcengines/apu2,n,Needs AMD PI for initialisation +purism/librem_bdw,n,Needs FSP for RAM init +purism/librem_skl,n,Needs FSP for RAM init +roda/rk886ex,n,Needs VGA-ROM +roda/rk9,n,Needs VGA-ROM +samsung/lumpy,n,Sandy/Ivy unported +samsung/stumpy,n,Sandy/Ivy unported +scaleway/tagada,n,Needs blob for Denverton SOC +siemens/mc_apl1,n,Needs FSP for RAM init +siemens/mc_bdx1,n,Needs FSP for RAM init +siemens/mc_tcu3,n,Needs FSP for RAM init +supermicro/h8dmr_fam10,n,Needs VGA-ROM +supermicro/h8qme_fam10,n,Needs VGA-ROM +supermicro/h8scm_fam10,n,Needs VGA-ROM +supermicro/x10slm-f,n,Needs FSP for RAM init +tyan/s2912_fam10,n,Needs VGA-ROM +via/epia-m850,n,Needs VGA-ROM +apple/macbook21,Y, +apple/macbookair4_2,Y, +asrock/b75pro3-m,Y, +asrock/g41c-gs,Y, +asus/h61m-cs,Y, +asus/maximus_iv_gene-z,Y, +asus/p2b,Y, +asus/p2b-d,Y, +asus/p2b-ds,Y, +asus/p2b-f,Y, +asus/p2b-ls,Y, +asus/p3b-f,Y, +asus/p5gc-mx,Y, +asus/p5qc,Y, +asus/p5qpl-am,Y, +asus/p8h61-m_lx,Y, +asus/p8h61-m_pro,Y, +compulab/intense_pc,Y, +emulation/qemu-armv7,Y, +emulation/qemu-i440fx,Y, +emulation/qemu-power8,Y, +emulation/qemu-q35,Y, +emulation/qemu-riscv,Y, +emulation/spike-riscv,Y, +foxconn/d41s,Y, +foxconn/g41s-k,Y, +getac/p470,Y, +gigabyte/ga-945gcm-s2l,Y, +gigabyte/ga-b75m-d3h,Y, +gigabyte/ga-b75m-d3v,Y, +gigabyte/ga-g41m-es2l,Y, +gigabyte/ga-h61m-s2pv,Y, +google/peach_pit,Y,Needs confirmation +google/smaug,Y,Needs confirmation +google/urara,Y,Needs confirmation +hp/2570p,Y, +hp/2760p,Y, +hp/8460p,Y, +hp/8470p,Y, +hp/8770w,Y, +hp/compaq_8200_elite_sff,Y, +hp/folio_9470m,Y, +hp/revolve_810_g1,Y, +intel/d510mo,Y, +intel/d945gclf,Y, +intel/dcp847ske,Y, +intel/dg41wv,Y, +intel/dg43gt,Y, +jetway/nf81-t56n-lf,Y, +kontron/ktqm77,Y, +lenovo/l520,Y, +lenovo/s230u,Y, +lenovo/t400,Y, +lenovo/t420,Y, +lenovo/t420s,Y, +lenovo/t430,Y, +lenovo/t430s,Y, +lenovo/t520,Y, +lenovo/t530,Y, +lenovo/t60,Y, +lenovo/thinkcentre_a58,Y, +lenovo/x1_carbon_gen1,Y, +lenovo/x131e,Y, +lenovo/x200,Y, +lenovo/x201,Y, +lenovo/x220,Y, +lenovo/x230,Y, +lenovo/x60,Y, +lenovo/z61t,Y, +packardbell/ms2290,Y, +roda/rv11,Y, +sapphire/pureplatinumh61,Y, +ti/beaglebone,Y, -- To view, visit https://review.coreboot.org/c/coreboot/+/32237 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: coreboot Gerrit-Branch: master Gerrit-Change-Id: I526b453ca30d8bcb6a55b40f4e53c6852f7cf4c7 Gerrit-Change-Number: 32237 Gerrit-PatchSet: 1 Gerrit-Owner: Damien Zammit <damien(a)zamaudio.com> Gerrit-MessageType: newchange

14 41

Change in ...coreboot[master]: security/tpm: Apply clang-format with new changes
by Philipp Deppenwiese (Code Review) 07 Aug '23

07 Aug '23

Philipp Deppenwiese has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/31816 Change subject: security/tpm: Apply clang-format with new changes ...................................................................... security/tpm: Apply clang-format with new changes * Fix 80 lines length issues as expected Change-Id: Ieeb675e96b95f6bf2d6a5b9d2be3ca8fd4ed6946 Signed-off-by: Philipp Deppenwiese <zaolin.daisuki(a)gmail.com> --- M src/security/tpm/tspi/log.c 1 file changed, 16 insertions(+), 17 deletions(-) git pull ssh://review.coreboot.org:29418/coreboot refs/changes/16/31816/1 diff --git a/src/security/tpm/tspi/log.c b/src/security/tpm/tspi/log.c index 18ab288..dc8a1e4 100644 --- a/src/security/tpm/tspi/log.c +++ b/src/security/tpm/tspi/log.c @@ -33,8 +33,9 @@ if (cbmem_possibly_online()) { tclt = cbmem_find(CBMEM_ID_TCPA_LOG); if (!tclt) { - size_t tcpa_log_len = sizeof(struct tcpa_table) + - MAX_TCPA_LOG_ENTRIES * sizeof(struct tcpa_entry); + size_t tcpa_log_len = + sizeof(struct tcpa_table) + + MAX_TCPA_LOG_ENTRIES * sizeof(struct tcpa_entry); tclt = cbmem_add(CBMEM_ID_TCPA_LOG, tcpa_log_len); if (tclt) { tclt->max_entries = MAX_TCPA_LOG_ENTRIES; @@ -51,11 +52,9 @@ /* We are dealing here with pre CBMEM environment. * If cbmem isn't available use CAR or SRAM */ - if (!cbmem_possibly_online() && - !IS_ENABLED(CONFIG_VBOOT_RETURN_FROM_VERSTAGE)) + if (!cbmem_possibly_online() && !IS_ENABLED(CONFIG_VBOOT_RETURN_FROM_VERSTAGE)) return (struct tcpa_table *)_vboot2_tpm_log; - else if (ENV_ROMSTAGE && - !IS_ENABLED(CONFIG_VBOOT_RETURN_FROM_VERSTAGE)) { + else if (ENV_ROMSTAGE && !IS_ENABLED(CONFIG_VBOOT_RETURN_FROM_VERSTAGE)) { tclt = tcpa_cbmem_init(); if (!tclt) return (struct tcpa_table *)_vboot2_tpm_log; @@ -84,17 +83,15 @@ for (j = 0; j < tce->digest_length; j++) printk(BIOS_INFO, "%02x", tce->digest[j]); - printk(BIOS_INFO, " %s [%s]\n", - tce->digest_type, tce->name); + printk(BIOS_INFO, " %s [%s]\n", tce->digest_type, tce->name); } } printk(BIOS_INFO, "\n"); } void tcpa_log_add_table_entry(const char *name, const uint32_t pcr, - enum vb2_hash_algorithm digest_algo, - const uint8_t *digest, - const size_t digest_len) + enum vb2_hash_algorithm digest_algo, const uint8_t *digest, + const size_t digest_len) { struct tcpa_table *tclt = tcpa_log_init(); if (!tclt) { @@ -121,9 +118,8 @@ return; } - strncpy(tce->digest_type, - vb2_get_hash_algorithm_name(digest_algo), - TCPA_PCR_HASH_LEN - 1); + strncpy(tce->digest_type, vb2_get_hash_algorithm_name(digest_algo), + TCPA_PCR_HASH_LEN - 1); tce->digest_length = digest_len; memcpy(tce->digest, digest, tce->digest_length); } @@ -144,7 +140,8 @@ int i; if (preram_log->num_entries > MAX_PRERAM_TCPA_LOG_ENTRIES) { - printk(BIOS_WARNING, "TCPA: Pre-RAM TCPA log is too full, possible corruption\n"); + printk(BIOS_WARNING, + "TCPA: Pre-RAM TCPA log is too full, possible corruption\n"); return; } @@ -164,8 +161,10 @@ return; } - strncpy(tce->digest_type, preram_log->entries[i].digest_type, TCPA_PCR_HASH_LEN - 1); - tce->digest_length = MIN(preram_log->entries[i].digest_length, TCPA_DIGEST_MAX_LENGTH); + strncpy(tce->digest_type, preram_log->entries[i].digest_type, + TCPA_PCR_HASH_LEN - 1); + tce->digest_length = + MIN(preram_log->entries[i].digest_length, TCPA_DIGEST_MAX_LENGTH); memcpy(tce->digest, preram_log->entries[i].digest, tce->digest_length); } } -- To view, visit https://review.coreboot.org/c/coreboot/+/31816 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: coreboot Gerrit-Branch: master Gerrit-Change-Id: Ieeb675e96b95f6bf2d6a5b9d2be3ca8fd4ed6946 Gerrit-Change-Number: 31816 Gerrit-PatchSet: 1 Gerrit-Owner: Philipp Deppenwiese <zaolin.daisuki(a)gmail.com> Gerrit-MessageType: newchange

5 10

Change in coreboot[master]: southbridge/amd/pi/hudson : Revert partially commit bfb5c807e720761f4...
by Jorge Fernandez (Code Review) 07 Aug '23

07 Aug '23

Jorge Fernandez has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/37617 ) Change subject: southbridge/amd/pi/hudson : Revert partially commit bfb5c807e720761f4457d5106bb919f2aacb5535 ...................................................................... southbridge/amd/pi/hudson : Revert partially commit bfb5c807e720761f4457d5106bb919f2aacb5535 For AMD Bettong board to boot these changes should be reverted. The three options must be enabled to boot. Change-Id: Ied530563f5ff961b50213ffad874351bbd0d3ae3 Signed-off-by: Jorge Fernandez <jorgefm(a)cirsa.com> --- M src/southbridge/amd/pi/hudson/Makefile.inc 1 file changed, 4 insertions(+), 4 deletions(-) git pull ssh://review.coreboot.org:29418/coreboot refs/changes/17/37617/1 diff --git a/src/southbridge/amd/pi/hudson/Makefile.inc b/src/southbridge/amd/pi/hudson/Makefile.inc index 33f59c7..29cf6d0 100644 --- a/src/southbridge/amd/pi/hudson/Makefile.inc +++ b/src/southbridge/amd/pi/hudson/Makefile.inc @@ -85,10 +85,10 @@ FIRMWARE_TYPE= PSPBTLDR_FILE=$(top)/$(FIRMWARE_LOCATE)/PspBootLoader.Bypass.sbin -PSPRCVR_FILE=$(top)/$(FIRMWARE_LOCATE)/PspRecovery.sbin -PSPSCUREOS_FILE=$(top)/$(FIRMWARE_LOCATE)/PspSecureOs.sbin -PSPTRUSTLETS_FILE=$(top)/$(FIRMWARE_LOCATE)/trustlets.bin -TRUSTLETKEY_FILE=$(top)/$(FIRMWARE_LOCATE)/Trustlet.tkn.cert +#PSPRCVR_FILE=$(top)/$(FIRMWARE_LOCATE)/PspRecovery.sbin +#PSPSCUREOS_FILE=$(top)/$(FIRMWARE_LOCATE)/PspSecureOs.sbin +#PSPTRUSTLETS_FILE=$(top)/$(FIRMWARE_LOCATE)/trustlets.bin +#TRUSTLETKEY_FILE=$(top)/$(FIRMWARE_LOCATE)/Trustlet.tkn.cert endif ifeq ($(CONFIG_CPU_AMD_PI_00660F01), y) -- To view, visit https://review.coreboot.org/c/coreboot/+/37617 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: coreboot Gerrit-Branch: master Gerrit-Change-Id: Ied530563f5ff961b50213ffad874351bbd0d3ae3 Gerrit-Change-Number: 37617 Gerrit-PatchSet: 1 Gerrit-Owner: Jorge Fernandez Gerrit-MessageType: newchange

2 1

Change in coreboot[master]: src/southbridge/amd/pi/hudson/Makefile.inc: fix AMDFW outside CBFS
by Michał Żygowski (Code Review) 07 Aug '23

07 Aug '23

Michał Żygowski has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/35853 ) Change subject: src/southbridge/amd/pi/hudson/Makefile.inc: fix AMDFW outside CBFS ...................................................................... src/southbridge/amd/pi/hudson/Makefile.inc: fix AMDFW outside CBFS The amdfwtool expects firmware location to be passed in hexadecimal format. When CONFIG_AMDFW_OUTSIDE_CBFS the firmware location is calculated by int-add call which produces decimal output. Use shell printf to generate a hexadecimal value of HUDSON_FWM_POSITION. TEST=prepare simple FMD file with AMD_FW region at 0x20000, select CONFIG_AMDFW_OUTSIDE_CBFS and build PC Engines apu2 board Change-Id: Ib4b03f971b88acbc3392b66e084babe738659ea6 Signed-off-by: Michał Żygowski <michal.zygowski(a)3mdeb.com> --- M src/southbridge/amd/pi/hudson/Makefile.inc 1 file changed, 1 insertion(+), 1 deletion(-) git pull ssh://review.coreboot.org:29418/coreboot refs/changes/53/35853/1 diff --git a/src/southbridge/amd/pi/hudson/Makefile.inc b/src/southbridge/amd/pi/hudson/Makefile.inc index 4b4b138..9b543ec 100644 --- a/src/southbridge/amd/pi/hudson/Makefile.inc +++ b/src/southbridge/amd/pi/hudson/Makefile.inc @@ -194,7 +194,7 @@ $(OPT_2SMUFIRMWARE2_FN_FILE) \ $(OPT_2SMUSCS_FILE) \ --flashsize $(CONFIG_ROM_SIZE) \ - --location $(HUDSON_FWM_POSITION) \ + --location $(shell printf "0x%x" $(HUDSON_FWM_POSITION)) \ --output $@ ifeq ($(CONFIG_AMDFW_OUTSIDE_CBFS),y) -- To view, visit https://review.coreboot.org/c/coreboot/+/35853 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: coreboot Gerrit-Branch: master Gerrit-Change-Id: Ib4b03f971b88acbc3392b66e084babe738659ea6 Gerrit-Change-Number: 35853 Gerrit-PatchSet: 1 Gerrit-Owner: Michał Żygowski <michal.zygowski(a)3mdeb.com> Gerrit-MessageType: newchange

5 6

Change in ...coreboot[master]: WIP: libpayload: add initial support for RISC-V
by Philipp Hug (Code Review) 07 Aug '23

07 Aug '23

Philipp Hug has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/31356 Change subject: WIP: libpayload: add initial support for RISC-V ...................................................................... WIP: libpayload: add initial support for RISC-V Parse fdt provided by a2 and extract coreboot tables from it. Change-Id: I91df02069a0f8fd8771f73de0e866e9cea05cded Signed-off-by: Philipp Hug <philipp(a)hug.cx> --- M payloads/libpayload/Kconfig M payloads/libpayload/Makefile M payloads/libpayload/Makefile.inc A payloads/libpayload/arch/riscv/Kconfig A payloads/libpayload/arch/riscv/Makefile.inc A payloads/libpayload/arch/riscv/coreboot.c A payloads/libpayload/arch/riscv/head.S A payloads/libpayload/arch/riscv/libpayload.ldscript A payloads/libpayload/arch/riscv/main.c A payloads/libpayload/arch/riscv/sysinfo.c A payloads/libpayload/arch/riscv/timer.c A payloads/libpayload/arch/riscv/util.S A payloads/libpayload/arch/riscv/virtual.c M payloads/libpayload/bin/lpgcc A payloads/libpayload/configs/config.riscv A payloads/libpayload/configs/defconfig-riscv A payloads/libpayload/include/riscv/arch/asm.h A payloads/libpayload/include/riscv/arch/barrier.h A payloads/libpayload/include/riscv/arch/cache.h A payloads/libpayload/include/riscv/arch/io.h A payloads/libpayload/include/riscv/arch/types.h A payloads/libpayload/include/riscv/arch/virtual.h 22 files changed, 1,094 insertions(+), 1 deletion(-) git pull ssh://review.coreboot.org:29418/coreboot refs/changes/56/31356/1 diff --git a/payloads/libpayload/Kconfig b/payloads/libpayload/Kconfig index 5bfbd54..846280d 100644 --- a/payloads/libpayload/Kconfig +++ b/payloads/libpayload/Kconfig @@ -119,6 +119,11 @@ help Support the MIPS architecture +config ARCH_RISCV + bool "RISCV" + help + Support the RISCV architecture + endchoice config MULTIBOOT @@ -148,12 +153,13 @@ default 0x04000000 if ARCH_ARM default 0x80100000 if ARCH_ARM64 default 0x00000000 if ARCH_MIPS + default 0x81000000 if ARCH_RISCV default 0x00100000 if ARCH_X86 help This is the base address for the payload. If unsure, set to 0x00100000 on x86, 0x00000000 on MIPS, - 0x04000000 on ARM or 0x80100000 on ARM64. + 0x04000000 on ARM or 0x80100000 on ARM64 or 0x81000000 on RISCV. endmenu @@ -451,4 +457,5 @@ source "arch/arm/Kconfig" source "arch/arm64/Kconfig" source "arch/mips/Kconfig" +source "arch/riscv/Kconfig" source "arch/x86/Kconfig" diff --git a/payloads/libpayload/Makefile b/payloads/libpayload/Makefile index 1a0acf1..e01115e 100644 --- a/payloads/libpayload/Makefile +++ b/payloads/libpayload/Makefile @@ -96,6 +96,7 @@ ARCHDIR-$(CONFIG_LP_ARCH_ARM) := arm ARCHDIR-$(CONFIG_LP_ARCH_ARM64) := arm64 ARCHDIR-$(CONFIG_LP_ARCH_MIPS) := mips +ARCHDIR-$(CONFIG_LP_ARCH_RISCV) := riscv ARCHDIR-$(CONFIG_LP_ARCH_X86) := x86 ARCH-y := $(ARCHDIR-y) @@ -105,6 +106,7 @@ ARCH-$(CONFIG_LP_ARCH_ARM) := arm ARCH-$(CONFIG_LP_ARCH_ARM64) := arm64 ARCH-$(CONFIG_LP_ARCH_X86) := x86_32 +ARCH-$(CONFIG_LP_ARCH_RISCV) := riscv ARCH-$(CONFIG_LP_ARCH_MIPS) := mips # Three cases where we don't need fully populated $(obj) lists: diff --git a/payloads/libpayload/Makefile.inc b/payloads/libpayload/Makefile.inc index 052a3f0..8ea0810 100644 --- a/payloads/libpayload/Makefile.inc +++ b/payloads/libpayload/Makefile.inc @@ -34,6 +34,7 @@ ARCHDIR-$(CONFIG_LP_ARCH_ARM) := arm ARCHDIR-$(CONFIG_LP_ARCH_ARM64) := arm64 ARCHDIR-$(CONFIG_LP_ARCH_MIPS) := mips +ARCHDIR-$(CONFIG_LP_ARCH_RISCV) := riscv ARCHDIR-$(CONFIG_LP_ARCH_X86) := x86 DESTDIR ?= install @@ -61,12 +62,15 @@ INCLUDES := -Iinclude -Iinclude/$(ARCHDIR-y) -I$(obj) -include include/kconfig.h +ARCHCFLAGS-$(CONFIG_LP_ARCH_RISCV) := -mcmodel=medany + CFLAGS += $(EXTRA_CFLAGS) $(INCLUDES) -Os -pipe -nostdinc -ggdb3 CFLAGS += -nostdlib -fno-builtin -ffreestanding -fomit-frame-pointer CFLAGS += -ffunction-sections -fdata-sections CFLAGS += -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs CFLAGS += -Wstrict-aliasing -Wshadow -Werror +CFLAGS += $(ARCHCFLAGS-y) $(obj)/libpayload-config.h: $(KCONFIG_AUTOHEADER) cmp $@ $< 2>/dev/null || cp $< $@ diff --git a/payloads/libpayload/arch/riscv/Kconfig b/payloads/libpayload/arch/riscv/Kconfig new file mode 100644 index 0000000..6352ff0 --- /dev/null +++ b/payloads/libpayload/arch/riscv/Kconfig @@ -0,0 +1,37 @@ +## +## This file is part of the libpayload project. +## +## Copyright (c) 2012 Google Inc. +## +## Redistribution and use in source and binary forms, with or without +## modification, are permitted provided that the following conditions +## are met: +## 1. Redistributions of source code must retain the above copyright +## notice, this list of conditions and the following disclaimer. +## 2. Redistributions in binary form must reproduce the above copyright +## notice, this list of conditions and the following disclaimer in the +## documentation and/or other materials provided with the distribution. +## 3. The name of the author may not be used to endorse or promote products +## derived from this software without specific prior written permission. +## +## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +## SUCH DAMAGE. +## + +if ARCH_RISCV + +config ARCH_SPECIFIC_OPTIONS # dummy + def_bool y + select LITTLE_ENDIAN + select FDT + +endif diff --git a/payloads/libpayload/arch/riscv/Makefile.inc b/payloads/libpayload/arch/riscv/Makefile.inc new file mode 100644 index 0000000..01d6bd8 --- /dev/null +++ b/payloads/libpayload/arch/riscv/Makefile.inc @@ -0,0 +1,34 @@ +## +## This file is part of the libpayload project. +## +## Copyright (C) 2008 Advanced Micro Devices, Inc. +## +## Redistribution and use in source and binary forms, with or without +## modification, are permitted provided that the following conditions +## are met: +## 1. Redistributions of source code must retain the above copyright +## notice, this list of conditions and the following disclaimer. +## 2. Redistributions in binary form must reproduce the above copyright +## notice, this list of conditions and the following disclaimer in the +## documentation and/or other materials provided with the distribution. +## 3. The name of the author may not be used to endorse or promote products +## derived from this software without specific prior written permission. +## +## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +## SUCH DAMAGE. +## + +head.o-y += head.S + +libc-y += main.c sysinfo.c +libc-y += timer.c coreboot.c util.S +libc-y += virtual.c diff --git a/payloads/libpayload/arch/riscv/coreboot.c b/payloads/libpayload/arch/riscv/coreboot.c new file mode 100644 index 0000000..ea21c51 --- /dev/null +++ b/payloads/libpayload/arch/riscv/coreboot.c @@ -0,0 +1,94 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2008 Advanced Micro Devices, Inc. + * Copyright (C) 2009 coresystems GmbH + * Copyright (C) 2019 Philipp Hug <philipp(a)hug.cx> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <libpayload-config.h> +#include <libpayload.h> +#include <coreboot_tables.h> +#include <libfdt.h> + +/* This pointer gets set in head.S and is passed in from coreboot. */ +void *fdt_ptr; +int hart_id; + +/* == Architecture specific == */ + +int cb_parse_arch_specific(struct cb_record *rec, struct sysinfo_t *info) +{ + switch (rec->tag) { + default: + return 0; + } + return 1; +} + +int get_coreboot_info(struct sysinfo_t *info) +{ + void *cb_header_ptr = get_cb_header_ptr(); + if (cb_header_ptr == NULL) + return 1; + return cb_parse_header(cb_header_ptr, 1, info); +} + +void *get_cb_header_ptr(void) +{ + int offset; + int len; + const struct fdt_property *prop; + + /* + * coreboot tables are provides within the fdt which was passes as + * a2 to the entry point + */ + + if (fdt_check_header(fdt_ptr) != 0) { + printf("fdt: invalid header\n"); + return NULL; + } + + // search for coreboot node + offset = fdt_node_offset_by_compatible(fdt_ptr, -1, "coreboot"); + if (offset < 0) { + printf("fdt: coreboot node not found\n"); + return NULL; + } + + /* + * get reg property and extract the pointer to the coreboot tables + * TODO: parse cell info and fix for RV32 + */ + prop = fdt_get_property(fdt_ptr, offset, "reg", &len); + if (len != 32) { + printf("fdt: invalid reg property\n"); + return NULL; + } + + return (void *)fdt64_ld((fdt64_t *)prop->data); +} diff --git a/payloads/libpayload/arch/riscv/head.S b/payloads/libpayload/arch/riscv/head.S new file mode 100644 index 0000000..c46b20b --- /dev/null +++ b/payloads/libpayload/arch/riscv/head.S @@ -0,0 +1,74 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2008 Advanced Micro Devices, Inc. + * Copyright (C) 2019 Philipp Hug <philipp(a)hug.cx> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <arch/asm.h> + +/* + * Our entry point + */ +ENTRY(_entry) + + /* Save off hart id in a0 */ + la t0, hart_id + sd a0, 0(t0) + + /* Save off device tree pointer in a1 */ + la t0, fdt_ptr + sd a1, 0(t0) + + /* + * busy-loop for harts != 0 + * TODO: add support hart > 0 + */ + li a3, 0 + beq a0, a3, _hart_zero +_hart_loop: + j _hart_loop +_hart_zero: + + /* + * Setup new stack + * TODO, use stack per hart + */ + la t0, _stack + li t1, 0xDEADBEEF + sd t1, 0(t0) + add sp, t0, 0 + + /* Let's rock. */ + tail start_main + +ENDPROC(_entry) + +.align 4 +1: +.quad fdt_ptr +2: +.quad _stack diff --git a/payloads/libpayload/arch/riscv/libpayload.ldscript b/payloads/libpayload/arch/riscv/libpayload.ldscript new file mode 100644 index 0000000..1929549 --- /dev/null +++ b/payloads/libpayload/arch/riscv/libpayload.ldscript @@ -0,0 +1,91 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2013 Google, Inc. + * Copyright (C) 2008 Advanced Micro Devices, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +OUTPUT_FORMAT("elf64-littleriscv", "elf64-littleriscv","elf64-littleriscv") +OUTPUT_ARCH(riscv) + +ENTRY(_entry) + +SECTIONS +{ + . = CONFIG_LP_BASE_ADDRESS; + + . = ALIGN(16); + _start = .; + + .text : { + *(.text._entry) + *(.text) + *(.text.*) + } + + .rodata : { + *(.rodata) + *(.rodata.*) + } + + .data : { + *(.data) + *(.data.*) + } + + _edata = .; + + .bss : { + *(.sbss) + *(.sbss.*) + *(.bss) + *(.bss.*) + *(COMMON) + + /* Stack and heap */ + + . = ALIGN(16); + _heap = .; + . += CONFIG_LP_HEAP_SIZE; + . = ALIGN(16); + _eheap = .; + + _estack = .; + . += CONFIG_LP_STACK_SIZE; + . = ALIGN(16); + _stack = .; + } + .debug : { + *(.debug) + } + + _end = .; + + /DISCARD/ : { + *(.comment) + *(.note*) + } +} diff --git a/payloads/libpayload/arch/riscv/main.c b/payloads/libpayload/arch/riscv/main.c new file mode 100644 index 0000000..83fb841 --- /dev/null +++ b/payloads/libpayload/arch/riscv/main.c @@ -0,0 +1,72 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2008 Advanced Micro Devices, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <libpayload.h> + +unsigned int main_argc; /**< The argc value to pass to main() */ + +/** The argv value to pass to main() */ +char *main_argv[MAX_ARGC_COUNT]; + +/** + * This is our C entry function - set up the system + * and jump into the payload entry point. + */ +void start_main(void); +void start_main(void) +{ + extern int main(int argc, char **argv); + + /* Gather system information. */ + lib_get_sysinfo(); + +#if !IS_ENABLED(CONFIG_LP_SKIP_CONSOLE_INIT) + console_init(); +#endif + + // TODO: implement exceptions + // exception_init(); + + /* + * Any other system init that has to happen before the + * user gets control goes here. + */ + + /* + * Go to the entry point. + * In the future we may care about the return value. + */ + + (void)main(main_argc, (main_argc != 0) ? main_argv : NULL); + + /* + * Returning here will go to the _leave function to return + * us to the original context. + */ +} diff --git a/payloads/libpayload/arch/riscv/sysinfo.c b/payloads/libpayload/arch/riscv/sysinfo.c new file mode 100644 index 0000000..575b7da --- /dev/null +++ b/payloads/libpayload/arch/riscv/sysinfo.c @@ -0,0 +1,79 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2008 Advanced Micro Devices, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <libpayload-config.h> +#include <libpayload.h> +#include <coreboot_tables.h> + +/** + * This is a global structure that is used through the library - we set it + * up initially with some dummy values - hopefully they will be overridden. + * Also set some defaults for the console in case the fdt is messed up. + */ +struct cb_serial serial_info = { + .baseaddr = 0x10000000, + .type = CB_SERIAL_TYPE_MEMORY_MAPPED, + .regwidth = 1, +}; + +struct sysinfo_t lib_sysinfo = { + .cpu_khz = 1000, + .serial = &serial_info, +}; + +int lib_get_sysinfo(void) +{ + int ret; + + /* Get the CPU speed (for delays). */ + lib_sysinfo.cpu_khz = get_cpu_speed(); + + /* Get information from the coreboot tables, + * if they exist */ + + ret = get_coreboot_info(&lib_sysinfo); + + if (!lib_sysinfo.n_memranges) { + /* If we can't get a good memory range, use the default. */ + lib_sysinfo.n_memranges = 1; + + lib_sysinfo.memrange[0].base = 0x80000000u; + lib_sysinfo.memrange[0].size = 1024 * 1024; + lib_sysinfo.memrange[0].type = CB_MEM_RAM; + } + + return ret; +} + +void lib_sysinfo_get_memranges(struct memrange **ranges, + uint64_t *nranges) +{ + *ranges = &lib_sysinfo.memrange[0]; + *nranges = lib_sysinfo.n_memranges; +} diff --git a/payloads/libpayload/arch/riscv/timer.c b/payloads/libpayload/arch/riscv/timer.c new file mode 100644 index 0000000..d233ddc --- /dev/null +++ b/payloads/libpayload/arch/riscv/timer.c @@ -0,0 +1,54 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2008 Advanced Micro Devices, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/** + * @file riscv/timer.c + * RISC-V specific timer routines + */ + +#include <libpayload.h> + +/** + * @ingroup arch + * Global variable containing the speed of the processor in KHz. + */ +u32 cpu_khz; + +/** + * Calculate the speed of the processor for use in delays. + * + * @return The CPU speed in kHz. + */ +unsigned int get_cpu_speed(void) +{ + /* FIXME */ + cpu_khz = 1000000U; + + return cpu_khz; +} diff --git a/payloads/libpayload/arch/riscv/util.S b/payloads/libpayload/arch/riscv/util.S new file mode 100644 index 0000000..dde2099 --- /dev/null +++ b/payloads/libpayload/arch/riscv/util.S @@ -0,0 +1,35 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2012 Google, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <arch/asm.h> + +/* This function puts the system into a halt. */ +ENTRY(halt) + j halt +ENDPROC(halt) diff --git a/payloads/libpayload/arch/riscv/virtual.c b/payloads/libpayload/arch/riscv/virtual.c new file mode 100644 index 0000000..c3f4aa7 --- /dev/null +++ b/payloads/libpayload/arch/riscv/virtual.c @@ -0,0 +1,40 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2008 coresystems GmbH + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <libpayload.h> +#include <assert.h> +#include <die.h> +#include <stdlib.h> +#include <unistd.h> +#include <arch/cache.h> +#include <arch/virtual.h> +#include <arch/io.h> + +unsigned long virtual_offset = 0; +extern char _end[]; diff --git a/payloads/libpayload/bin/lpgcc b/payloads/libpayload/bin/lpgcc index b3ef342..2faf113 100755 --- a/payloads/libpayload/bin/lpgcc +++ b/payloads/libpayload/bin/lpgcc @@ -86,6 +86,12 @@ _ARCHEXTRA="" _ARCH=mips fi +if [ "$CONFIG_LP_ARCH_RISCV" = "y" ]; then + _ARCHINCDIR=$_INCDIR/riscv + _ARCHLIBDIR=$_LIBDIR/riscv + _ARCHEXTRA="" + _ARCH=riscv +fi if [ "$CONFIG_LP_ARCH_X86" = "y" ]; then _ARCHINCDIR=$_INCDIR/x86 _ARCHLIBDIR=$_LIBDIR/x86 diff --git a/payloads/libpayload/configs/config.riscv b/payloads/libpayload/configs/config.riscv new file mode 100644 index 0000000..7982b4a --- /dev/null +++ b/payloads/libpayload/configs/config.riscv @@ -0,0 +1,81 @@ +# +# Automatically generated file; DO NOT EDIT. +# Libpayload Configuration +# + +# +# Generic Options +# +# CONFIG_LP_GPL is not set +# CONFIG_LP_EXPERIMENTAL is not set +# CONFIG_LP_DEVELOPER is not set +# CONFIG_LP_CHROMEOS is not set +CONFIG_LP_COMPILER_GCC=y +# CONFIG_LP_COMPILER_LLVM_CLANG is not set +# CONFIG_LP_MEMMAP_RAM_ONLY is not set + +# +# Architecture Options +# +# CONFIG_LP_ARCH_ARM is not set +# CONFIG_LP_ARCH_X86 is not set +# CONFIG_LP_ARCH_ARM64 is not set +# CONFIG_LP_ARCH_MIPS is not set +CONFIG_LP_ARCH_RISCV=y +CONFIG_LP_HEAP_SIZE=131072 +CONFIG_LP_STACK_SIZE=16384 +CONFIG_LP_BASE_ADDRESS=0x80100000 + +# +# Standard Libraries +# +CONFIG_LP_LIBC=y +# CONFIG_LP_CURSES is not set +CONFIG_LP_CBFS=y +CONFIG_LP_LZMA=y +CONFIG_LP_LZ4=y + +# +# Console Options +# +# CONFIG_LP_SKIP_CONSOLE_INIT is not set +CONFIG_LP_CBMEM_CONSOLE=y +# CONFIG_LP_SERIAL_CONSOLE is not set +CONFIG_LP_VIDEO_CONSOLE=y +# CONFIG_LP_COREBOOT_VIDEO_CONSOLE is not set +# CONFIG_LP_PC_I8042 is not set +# CONFIG_LP_PC_MOUSE is not set +# CONFIG_LP_PC_KEYBOARD is not set + +# +# Drivers +# +# CONFIG_LP_MOUSE_CURSOR is not set +# CONFIG_LP_RTC_PORT_EXTENDED_VIA is not set +CONFIG_LP_TIMER_NONE=y +# CONFIG_LP_TIMER_MCT is not set +# CONFIG_LP_TIMER_TEGRA_1US is not set +# CONFIG_LP_TIMER_IPQ806X is not set +# CONFIG_LP_TIMER_ARMADA38X is not set +# CONFIG_LP_TIMER_IPQ40XX is not set +# CONFIG_LP_TIMER_ARM64_ARCH is not set +# CONFIG_LP_TIMER_RK3288 is not set +# CONFIG_LP_TIMER_RK3399 is not set +# CONFIG_LP_TIMER_CYGNUS is not set +# CONFIG_LP_TIMER_IMG_PISTACHIO is not set +# CONFIG_LP_TIMER_MTK is not set +# CONFIG_LP_TIMER_MVMAP2315 is not set +CONFIG_LP_TIMER_GENERIC_HZ=100000 +CONFIG_LP_TIMER_GENERIC_REG=0x0 +CONFIG_LP_TIMER_GENERIC_HIGH_REG=0x0 +CONFIG_LP_STORAGE=y +# CONFIG_LP_STORAGE_64BIT_LBA is not set +CONFIG_LP_STORAGE_ATA=y +CONFIG_LP_STORAGE_ATAPI=y +# CONFIG_LP_USB is not set +# CONFIG_LP_USB_GEN_HUB is not set +# CONFIG_LP_UDC is not set +# CONFIG_LP_BIG_ENDIAN is not set +CONFIG_LP_LITTLE_ENDIAN=y +# CONFIG_LP_IO_ADDRESS_SPACE is not set +CONFIG_LP_ARCH_SPECIFIC_OPTIONS=y diff --git a/payloads/libpayload/configs/defconfig-riscv b/payloads/libpayload/configs/defconfig-riscv new file mode 100644 index 0000000..2ce2bc5 --- /dev/null +++ b/payloads/libpayload/configs/defconfig-riscv @@ -0,0 +1,3 @@ +CONFIG_LP_ARCH_RISCV=y +CONFIG_LP_TINYCURSES=n +CONFIG_LP_USB=n diff --git a/payloads/libpayload/include/riscv/arch/asm.h b/payloads/libpayload/include/riscv/arch/asm.h new file mode 100644 index 0000000..842fb0d --- /dev/null +++ b/payloads/libpayload/include/riscv/arch/asm.h @@ -0,0 +1,29 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2013 Google Inc. + * + */ + +#ifndef __RISCV_ASM_H +#define __RISCV_ASM_H + +# define RISCV(x...) x +# define W(instr) instr + +#define ALIGN .align 2 + +#define ENDPROC(name) \ + .type name, %function; \ + END(name) + +#define ENTRY(name) \ + .section .text.name, "ax", %progbits; \ + .global name; \ + ALIGN; \ + name: + +#define END(name) \ + .size name, .-name + +#endif /* __RISCV_ASM_H */ diff --git a/payloads/libpayload/include/riscv/arch/barrier.h b/payloads/libpayload/include/riscv/arch/barrier.h new file mode 100644 index 0000000..0b55df6 --- /dev/null +++ b/payloads/libpayload/include/riscv/arch/barrier.h @@ -0,0 +1,61 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * Copyright (C) 2003-2004 Olivier Houchard + * Copyright (C) 1994-1997 Mark Brinicombe + * Copyright (C) 1994 Brini + * All rights reserved. + * + * This code is derived from software written for Brini by Mark Brinicombe + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ + +#ifndef __ARCH_BARRIER_H_ +#define __ARCH_BARRIER_H__ + +#include <arch/cache.h> + +/* + * Description of different memory barriers introduced: + * + * Memory barrier(mb) - Guarantees that all memory accesses specified before the + * barrier will happen before all memory accesses specified after the barrier + * + * Read memory barrier (rmb) - Guarantees that all read memory accesses + * specified before the barrier will happen before all read memory accesses + * specified after the barrier + * + * Write memory barrier (wmb) - Guarantees that all write memory accesses + * specified before the barrier will happen before all write memory accesses + * specified after the barrier + */ + +#define mb() +#define rmb() +#define wmb() + +#endif /* __ARCH_BARRIER_H__ */ diff --git a/payloads/libpayload/include/riscv/arch/cache.h b/payloads/libpayload/include/riscv/arch/cache.h new file mode 100644 index 0000000..820bee9 --- /dev/null +++ b/payloads/libpayload/include/riscv/arch/cache.h @@ -0,0 +1,83 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2013 Google Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * cache.h: Cache maintenance API for RISCV + */ + +#ifndef RISCV_CACHE_H +#define RISCV_CACHE_H + +#include <stddef.h> +#include <stdint.h> + +/* + * Cache maintenance API + */ + +/* dcache clean and invalidate all (on current level given by CCSELR) */ +void dcache_clean_invalidate_all(void); + +/* dcache clean by virtual address to PoC */ +void dcache_clean_by_mva(void const *addr, size_t len); + +/* dcache clean and invalidate by virtual address to PoC */ +void dcache_clean_invalidate_by_mva(void const *addr, size_t len); + +/* dcache invalidate by virtual address to PoC */ +void dcache_invalidate_by_mva(void const *addr, size_t len); + +void dcache_clean_all(void); + +/* dcache invalidate all (on current level given by CCSELR) */ +void dcache_invalidate_all(void); + +/* returns number of bytes per cache line */ +unsigned int dcache_line_bytes(void); + +/* dcache and MMU disable */ +void dcache_mmu_disable(void); + +/* dcache and MMU enable */ +void dcache_mmu_enable(void); + +/* perform all icache/dcache maintenance needed after loading new code */ +void cache_sync_instructions(void); + +/* Ensure that loaded program segment is synced back from cache to PoC */ +void arch_program_segment_loaded(void const *addr, size_t len); + +/* tlb invalidate all */ +void tlb_invalidate_all(void); + +/* Invalidate all of the instruction cache for PE to PoU. */ +static inline void icache_invalidate_all(void) +{ + return; +} + +#endif /* RISCV_CACHE_H */ diff --git a/payloads/libpayload/include/riscv/arch/io.h b/payloads/libpayload/include/riscv/arch/io.h new file mode 100644 index 0000000..8413b61 --- /dev/null +++ b/payloads/libpayload/include/riscv/arch/io.h @@ -0,0 +1,106 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2008 Advanced Micro Devices, Inc. + * Copyright (C) 2008 coresystems GmbH + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _ARCH_IO_H +#define _ARCH_IO_H + +#include <stdint.h> +#include <arch/cache.h> +//#include <arch/lib_helpers.h> + +/* + * readb/w/l writeb/w/l are deprecated. use read8/16/32 and write8/16/32 + * instead for future development. + * + * TODO: make the existing code use read8/16/32 and write8/16/32 then remove + * readb/w/l and writeb/w/l. + */ + +static inline uint8_t readb(volatile const void *_a) +{ + return *(volatile const uint8_t *)_a; +} + +static inline uint16_t readw(volatile const void *_a) +{ + return *(volatile const uint16_t *)_a; +} + +static inline uint32_t readl(volatile const void *_a) +{ + return *(volatile const uint32_t *)_a; +} + +static inline void writeb(uint8_t _v, volatile void *_a) +{ + *(volatile uint8_t *)_a = _v; +} + +static inline void writew(uint16_t _v, volatile void *_a) +{ + *(volatile uint16_t *)_a = _v; +} + +static inline void writel(uint32_t _v, volatile void *_a) +{ + *(volatile uint32_t *)_a = _v; +} + +static inline uint8_t read8(const void *addr) +{ + return *(volatile uint8_t *)addr; +} + +static inline uint16_t read16(const void *addr) +{ + return *(volatile uint16_t *)addr; +} + +static inline uint32_t read32(const void *addr) +{ + return *(volatile uint32_t *)addr; +} + +static inline void write8(void *addr, uint8_t val) +{ + *(volatile uint8_t *)addr = val; +} + +static inline void write16(void *addr, uint16_t val) +{ + *(volatile uint16_t *)addr = val; +} + +static inline void write32(void *addr, uint32_t val) +{ + *(volatile uint32_t *)addr = val; +} + +#endif diff --git a/payloads/libpayload/include/riscv/arch/types.h b/payloads/libpayload/include/riscv/arch/types.h new file mode 100644 index 0000000..1bd815b --- /dev/null +++ b/payloads/libpayload/include/riscv/arch/types.h @@ -0,0 +1,60 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2007 Uwe Hermann <uwe(a)hermann-uwe.de> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _ARCH_TYPES_H +#define _ARCH_TYPES_H + +typedef unsigned char uint8_t; +typedef unsigned char u8; +typedef signed char int8_t; +typedef signed char s8; + +typedef unsigned short uint16_t; +typedef unsigned short u16; +typedef signed short int16_t; +typedef signed short s16; + +typedef unsigned int uint32_t; +typedef unsigned int u32; +typedef signed int int32_t; +typedef signed int s32; + +typedef unsigned long long uint64_t; +typedef unsigned long long u64; +typedef signed long long int64_t; +typedef signed long long s64; + +typedef long time_t; +typedef long suseconds_t; + +#ifndef NULL +#define NULL ((void *)0) +#endif + +#endif diff --git a/payloads/libpayload/include/riscv/arch/virtual.h b/payloads/libpayload/include/riscv/arch/virtual.h new file mode 100644 index 0000000..dac3480 --- /dev/null +++ b/payloads/libpayload/include/riscv/arch/virtual.h @@ -0,0 +1,41 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2008 coresystems GmbH + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _ARCH_VIRTUAL_H +#define _ARCH_VIRTUAL_H + +extern unsigned long virtual_offset; + +#define virt_to_phys(virt) ((unsigned long)(virt) + virtual_offset) +#define phys_to_virt(phys) ((void *)((unsigned long)(phys)-virtual_offset)) + +#define virt_to_bus(addr) virt_to_phys(addr) +#define bus_to_virt(addr) phys_to_virt(addr) + +#endif -- To view, visit https://review.coreboot.org/c/coreboot/+/31356 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: coreboot Gerrit-Branch: master Gerrit-Change-Id: I91df02069a0f8fd8771f73de0e866e9cea05cded Gerrit-Change-Number: 31356 Gerrit-PatchSet: 1 Gerrit-Owner: Philipp Hug <philipp(a)hug.cx> Gerrit-Reviewer: Martin Roth <martinroth(a)google.com> Gerrit-Reviewer: Patrick Georgi <pgeorgi(a)google.com> Gerrit-Reviewer: Philipp Hug <philipp(a)hug.cx> Gerrit-MessageType: newchange

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coreboot-gerrit February 2020