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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 <[email protected]>
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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 <[email protected]>
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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 <[email protected]>
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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 <[email protected]>
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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 <[email protected]>
Signed-off-by: Anup Patel <[email protected]>
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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 <[email protected]>
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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 <[email protected]>
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This fixes errors like this:
undefined reference to `__umoddi3'
when buildilng for 32-bit systems
Signed-off-by: Alistair Francis <[email protected]>
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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 <[email protected]>
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Signed-off-by: Andreas Schwab <[email protected]>
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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 <[email protected]>
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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 <[email protected]>
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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 <[email protected]>
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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 <[email protected]>
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The PDF document generated by doxygen should have OpenSBI version
hence this patch adds OpenSBI version to doxygen.cfg.
Signed-off-by: Anup Patel <[email protected]>
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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 <[email protected]>
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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 <[email protected]>
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Signed-off-by: Atish Patra <[email protected]>
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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 <[email protected]>
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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 <[email protected]>
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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 <[email protected]>
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Convert the Makefile to a more standard format and don't forcefully
overwrite a users enviroment.
Signed-off-by: Alistair Francis <[email protected]>
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Signed-off-by: Alistair Francis <[email protected]>
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Signed-off-by: Alistair Francis <[email protected]>
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Instead of using a confusing and custom option, allow verbose Makefile
with the standard V=1.
Signed-off-by: Alistair Francis <[email protected]>
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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 <[email protected]>
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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 <[email protected]>
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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 <[email protected]>
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We use recently added separate dummy payload for FW_PAYLOAD
when FW_PAYLOAD_PATH is not specified.
Signed-off-by: Anup Patel <[email protected]>
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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 <[email protected]>
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Clean was doing nothing. Fix it to remove all compiled files, leaving
only dependency files.
Signed-off-by: Damien Le Moal <[email protected]>
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Make it clear what this environment variable defines and update
the README.md file to explain that.
Signed-off-by: Damien Le Moal <[email protected]>
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This patch renames "plat" to "platform" everywhere for better
readablility.
Signed-off-by: Anup Patel <[email protected]>
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This patch renames "blob" to "firmware" everywhere for better
and intutive naming.
Signed-off-by: Anup Patel <[email protected]>
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Signed-off-by: Anup Patel <[email protected]>
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