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2019-10-02Makefile: Minor fix in OPENSBI_VERSION_GITAnup Patel1-1/+1
Currently, if someone has forked OpenSBI repo quite sometime back and this fork is not having updated tags from upstream riscv/opensbi repo then "git describe" command can fail. To tackle this, we redirect error output of "git describe" to /dev/null. Signed-off-by: Anup Patel <anup.pate@wdc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-08-19Include `git describe` in OpenSBIPalmer Dabbelt1-0/+4
OpenSBI includes a version, but that is only updated when tagged. For users that are using the git releases we instead end up with an ambiguous version number, which makes it hard to figure out what everyone is using. This patch checks for a git directory and prints out the result of `git describe`, which is a mix of pretty and unambiguous. Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
2019-06-29include: Add version info to struct sbi_platformAbner Chang1-2/+2
Add version control of sbi_platform structure - Add opensbi_version, this gives information of opensbi revision on which the sbi_platform table was created. - Add platform_version field in sbi_platform structure for platform level version control. Signed-off-by: Abner Chang <abner.chang@hpe.com> Acked-by: Anup Patel <anup.patel@wdc.com>
2019-06-19platform: Move platform common to lib/utils.Atish Patra1-10/+19
Currently, platform/common contains platform/non-platform specific common minimal drivers and libraries. This is helpful is all platforms are built within opensbi framework. Move them to lib/utils so that any external platform code also can reuse the minimalistic drivers or other common libraries. This patch doesn't introduce any functional changes. Signed-off-by: Atish Patra <atish.patra@wdc.com> Acked-by: Anup Patel <anup.patel@wdc.com>
2019-06-19lib: Move sbi core library to lib/sbiAtish Patra1-7/+7
Signed-off-by: Atish Patra <atish.patra@wdc.com> Acked-by: Anup Patel <anup.patel@wdc.com>
2019-04-30Makefile: explicitly disable PIEKarsten Merker1-0/+1
The various available RISC-V toolchains differ in their default configuration regarding PIE, e.g. the buildroot RISC-V toolchain has PIE disabled by default while the Debian toolchain has it enabled by default. OpenSBI currently doesn't support being built with PIE enabled, therefore disable it explicitly by passing "-fno-pie -no-pie" in CFLAGS. Signed-off-by: Karsten Merker <merker@debian.org> Acked-by: Anup Patel <anup.patel@wdc.com>
2019-04-09TOP: Allow building platform out-of-treeAnup Patel1-25/+49
This patch extends our current build-system for building platform sources which are not part of OpenSBI sources. For example: Let's say we have out-of-tree ABC platform sources. We place these sources under <XYZ>/ABC directory along with its config.mk and objects.mk. To build out-of-tree ABC platform from OpenSBI directory: $ make PLATFORM_DIR=<XYZ>/ABC OR $ make PLATFORM_DIR=<XYZ> PLATFORM=ABC To build out-of-tree ABC platform from <XYZ>/ABC directory: $ make PLATFORM_DIR=<XYZ>/ABC -C <path_to_opensbi> OR $ make PLATFORM_DIR=<XYZ> PLATFORM=ABC -C <path_to_opensbi> Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
2019-02-28Fix missing quotes in MakefileAndreas Schwab1-1/+1
2019-02-28Fix makefile dependency generationAndreas Schwab1-2/+2
2019-02-26Makefile: Set the platform variables before parsing the platformsAlistair Francis1-8/+10
Ensure the platform variable PLATFORM_RISCV_XLEN is set before we parse the platform files. This fixes the 32-bit openSBI FW_JUMP_ADDR. Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2019-02-22Makefile: Rename compile_ld() to compile_elf()Anup Patel1-7/+7
The compile_ld() is actually used to create ELF files so the name is misleading hence this patch renames it to compile_elf(). We also rename LDFLAGS to ELFFLAGS because these will be used for ELF creation only. Signed-off-by: Anup Patel <anup.patel@wdc.com>
2019-02-19Makefile: Use sed instead of awk to parse OpenSBI versionAnup Patel1-2/+2
This patch replaces use of awk with sed in top-level makefile to parse OpenSBI version from include/sbi/sbi_version.h. Signed-off-by: Anup Patel <anup.patel@wdc.com>
2019-02-19Makefile: Fix error evaluating OPENSBI_CC_XLENAnup Patel1-25/+25
We get following error evaluating OPENSBI_CC_XLEN on Ubuntu-18.04: /bin/sh: 1: Bad substitution This patch fixes above error by using "awk" in string assigned to OPENSBI_CC_XLEN and it also moves "Setup compilation commands" before OPENSBI_CC_XLEN. Signed-off-by: Anup Patel <anup.patel@wdc.com>
2019-02-17Makefile: Fix the assignment of OPENSBI_CC_XLENAlistair Francis1-3/+3
Previously OPENSBI_CC_XLEN was not being correctly assigned either 32 or 64. It also was not assigned before config.mk was parsed. Ensure that it will always be assigned. Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2019-02-15Makefile: Add 'make run' command for platform specific runOlof Johansson1-0/+15
Makes for easy and quick build-run one-stop command. For now only added for qemu targets. It can be added for any platform having simulator/emulator (such as QEMU). Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Anup Patel <anup.patel@wdc.com>
2019-02-15Makefile: Make sure ld is always aware of the target abi/emulationNick Kossifidis1-1/+3
On Makefile merge_objs calls ld without providing any hints on the target so on a multilib toolchain for example it will always pick the default one (elf64-littleriscv) which will then result a failure when compiling on RV32 since the objects will be 32bits and the target will be 64bits. The same happens on compile_ld that calls gcc without CFLAGS so it doesn't get mabi/march. With this patch OpenSBI compiles on RV32 (PLATFORM_RISCV_XLEN=32), I tested fw_jump.elf on qemu (but it doesn't boot the kernel yet -bbl also doesn't boot the kernel so it may be something else). Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
2019-02-12Makefile: Set ABI, ISA and Code Model in top-level makeAnup Patel1-0/+26
This patch introduces following optional PLATFORM options: PLATFORM_RISCV_XLEN -> RISC-V register width PLATFORM_RISCV_ABI -> RISC-V GCC ABI PLATFORM_RISCV_ISA -> RISC-V GCC ISA string PLATFORM_RISCV_CODE_MODEL -> RISC-V GCC Code Model If the above options are not provided by platform config.mk or by command-line parameters then: 1. PLATFORM_RISCV_XLEN will be determined using toolchain capability 2. PLATFORM_RISCV_ABI, PLATFORM_RISCV_ISA, and PLATFORM_RISCV_CODE_MODEL is set to value best suited for generic libsbi.a As a result of these optional PLATFORM options, the platform-cflags-y and platform-asflags-y is further simplified for platform config.mk. Signed-off-by: Anup Patel <anup.patel@wdc.com>
2019-02-08Makefile: Ensure lgcc is includedAlistair Francis1-1/+1
This fixes errors like this: undefined reference to `__umoddi3' when buildilng for 32-bit systems Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2019-02-08platform/qemu/virt: Dynamically calculate xlenAlistair Francis1-0/+3
The QEMU virt machine can be either 32 or 66 bit. Don't hard code the CPU bit length and instead let the compiler determine it. Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2019-02-06Makefile: don't disable built-in variablesAndreas Schwab1-2/+2
Signed-off-by: Andreas Schwab <schwab@suse.de>
2019-02-05Makefile: Don't rely on "echo -n"Olof Johansson1-2/+2
Turns out it doesn't behave as expected on MacOS, it doesn't honor -n and echoes that to the file instead. Add a slash and just let the newline be there instead. Signed-off-by: Olof Johansson <olof@lixom.net>
2019-01-25include: Add separate header for OpenSBI versionAnup Patel1-8/+6
Currently, the OpenSBI version is in top-level Makefile so firmware linking to OpenSBI static library have no-way to know OpenSBI version. This patch moves OpenSBI version from top-level Makefile to sbi/sbi_version.h header which provides OPENSBI_VERSION_MAJOR and OPENSBI_VERSION_MINOR defines. NOTE: the SBI spec (or SBI ecall interface) version is different. The SBI spec version is provided by functions sbi_ecall_version_major() and sbi_ecall_version_minor(). Signed-off-by: Anup Patel <anup.patel@wdc.com>
2019-01-24all: Update copyright header in all filesAnup patel1-3/+3
This patch updates copyright header in all files as follows: 1. Makes "SPDX-License-Identifier: BSD-2-Clause" as first line 2. Change copyright year to 2019 for Western Digital Signed-off-by: Anup Patel <anup.patel@wdc.com>
2019-01-22Makefile: Don't install generic headers under <install_dir>/platformAnup Patel1-1/+0
We don't need to install generic headers separately for every platforn under <install_dir>/platform. It is unnecessary duplication of files hence updating install_libplatsbi in top-level makefile. Signed-off-by: Anup Patel <anup.patel@wdc.com>
2019-01-22docs: Add OpenSBI version to doxygen.cfgAnup Patel1-1/+1
The PDF document generated by doxygen should have OpenSBI version hence this patch adds OpenSBI version to doxygen.cfg. Signed-off-by: Anup Patel <anup.patel@wdc.com>
2019-01-21Makefile: Improve readabilityDamien Le Moal1-24/+13
Repeating "ifdef CROSS_COMPILE" multiple times does not help with readability. Simplify by grouping compilation command setup under a single ifdef statement. Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
2019-01-21Makefile: Add support for device tree compilationDamien Le Moal1-0/+11
Add rules to compile dts files into dtb files using the device tree compiler (dtc). A platform can specify the DTS file to compile using the platform-dtb-y variable. The flattened device tree binary file to be used for building the final polatform firmware can be specified using the new FW_PAYLOAD_FDT firmware configuration option to point to the automatically compiled FDT file. Using the existing FW_PAYLOAD_FDT_PATH configuration option is still possible and will take precedence over the FW_PAYLOAD_FDT definition. Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
2019-01-18platform: Include libfdt & libc.Atish Patra1-0/+1
Signed-off-by: Atish Patra <atish.patra@wdc.com>
2019-01-16Makefile: Add make targets to build and install documentationAnup Patel1-0/+17
This patch extends top-level makefile to build and install documentation. The 'docs' make target is for building the documentation PDF whereas 'install_docs' make target is for installing the documentation PDF. Signed-off-by: Anup Patel <anup.patel@wdc.com>
2019-01-05Makefile: Use '=' instead of '?=' for make variablesAnup Patel1-6/+26
The '?=' will not assign value if the target make variable is overriden via command-line or is set in environment variable. On other hand, '=' will not assign value only if variable is overriden via command-line parameter. It is quite common to have CC, AS, CPP, LD, etc to be set as environment variables pointing to native compiler and binutils. If '-rR' option is not set in MAKEFLAGS then this results in compile error because '?=' will use the native compiler and binutils. If '-rR' option is set in MAKEFLAGS then this again results in compile error because CC, AS, CPP, etc are set to empty strings which causes '?=' to use empty string as compiler and binutils. To handle this, we use '?=' only when CROSS_COMPILE is not defined and we use '=' when CROSS_COMPILE is defined. Signed-off-by: Anup Patel <anup.patel@wdc.com>
2019-01-04Makefile: Force GCC to preprocess the linker fileAlistair Francis1-1/+1
To avoid this message (and subsequent errors): warning: linker input file unused because linking not done force GCC to treat the linker script preprocessing as a C file. Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2019-01-04Makefile: Convert to a more standard formatAlistair Francis1-38/+41
Convert the Makefile to a more standard format and don't forcefully overwrite a users enviroment. Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2019-01-04Makefile: Use generic flags for the firmwareAlistair Francis1-0/+1
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2019-01-04Makefile: Use generic flags for the platformAlistair Francis1-7/+10
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2019-01-04Makefile: Support verbosity using standard V=1Alistair Francis1-36/+26
Instead of using a confusing and custom option, allow verbose Makefile with the standard V=1. Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2019-01-03Makefile: Fix messagesDamien Le Moal1-7/+7
Instead of printing the generic "<build_directory>" and "<install_directory>" strings, print the actual paths for the build and install directories during "make clean" and "make distclean". Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
2018-12-27top: Improve 'clean' and 'distclean' makefile targetsAnup Patel1-7/+14
This improves 'clean' and 'distclean' makefile target as follows: 1. Remove only .o, .a, .elf, and .bin files for 'clean' 2. Remove .dep in-addition to what 'clean' does for 'distclean' 3. Remove default build and install directory for 'distclean' Signed-off-by: Anup Patel <anup.patel@wdc.com>
2018-12-27top: Improve inst_file_list() in Makefile for payloads installationAnup Patel1-7/+11
We now have payloads sub-directory under firmware directory which means payload BINs and ELFs should be installed under firmware/payloads. This patch improves inst_file_list() to handle payloads sub-directory under firmware installation directory. Signed-off-by: Anup Patel <anup.patel@wdc.com>
2018-12-27firmware: Use dummy payload for FW_PAYLOADAnup Patel1-1/+4
We use recently added separate dummy payload for FW_PAYLOAD when FW_PAYLOAD_PATH is not specified. Signed-off-by: Anup Patel <anup.patel@wdc.com>
2018-12-26top: Rename back CROSS_COMPILE_PREFIX to CROSS_COMPILEAnup Patel1-7/+7
The name CROSS_COMPILE is an industry standard used across open-source project to specify cross-compiler prefix. In fact, distro build systems such as buildroot and yocto assume CROSS_COMPILE to be supported by projects added as packages to these build systems. This patch rename back CROSS_COMPILE_PREFIX to CROSS_COMPILE. Signed-off-by: Anup Patel <anup.patel@wdc.com>
2018-12-25Makefile: Fix cleanDamien Le Moal1-1/+1
Clean was doing nothing. Fix it to remove all compiled files, leaving only dependency files. Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
2018-12-25Makefile: Rename CROSS_COMPILE to CROSS_COMPILE_PREFIXDamien Le Moal1-7/+7
Make it clear what this environment variable defines and update the README.md file to explain that. Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
2018-12-21top: Rename "plat" to "platform" everywhereAnup Patel1-40/+40
This patch renames "plat" to "platform" everywhere for better readablility. Signed-off-by: Anup Patel <anup.patel@wdc.com>
2018-12-21top: Rename "blob" to "firmware" everywhereAnup Patel1-17/+17
This patch renames "blob" to "firmware" everywhere for better and intutive naming. Signed-off-by: Anup Patel <anup@brainfault.org>
2018-12-11Initial commit.Anup Patel1-0/+296
Signed-off-by: Anup Patel <anup.patel@wdc.com>
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