bcm63xx/u-boot/arch/riscv/config.mk, branch master

riscv: qemu: define standalone load address

2019-01-15T01:36:31Z

We need to define the standalone load address to use standalone application on qemu-riscv. Define it and set it equal to CONFIG_SYS_LOAD_ADDR. To not overwrite it, change the assigned of CONFIG_STANDALONE_LOAD_ADDR in arch/riscv/config.mk to a conditional one. Signed-off-by: Lukas Auer Reviewed-by: Bin Meng Tested-by: Bin Meng

riscv: remove RISC-V standalone linker script

2019-01-15T01:36:31Z

Standalone applications do not require a separate linker script and can use the default linker script of the compiler instead. Remove the RISC-V standalone linker script. Signed-off-by: Lukas Auer Reviewed-by: Bin Meng Tested-by: Bin Meng

riscv: enable -fdata-sections

2018-11-26T05:57:29Z

Enable the -fdata-sections compiler option for RISC-V. Buildman reports the binary size decrease from this as 8365.3 bytes. Signed-off-by: Lukas Auer Reviewed-by: Bin Meng Reviewed-by: Rick Chen

riscv: set -march and -mabi based on the Kconfig configuration

2018-11-26T05:57:29Z

Use the new Kconfig entries to construct the ISA string for the -march compiler flag. The -mabi compiler flag is selected based on the base integer instruction set. With this change, the C (compressed instructions) ISA extension is now enabled for all boards with CONFIG_RISCV_ISA_C set. Buildman reports a decrease in binary size of 71590 bytes. Signed-off-by: Lukas Auer Reviewed-by: Bin Meng

Kbuild: add LDFLAGS_STANDALONE

2018-11-18T15:02:23Z

Introduce a new Makefile variable for passing LDFLAGS to standalone programs. Currently the variable CONFIG_STANDALONE_LOAD_ADDR is misued on some archs to pass a specific linker script. Signed-off-by: Daniel Schwierzeck Reviewed-by: Tom Rini Reviewed-by: Rick Chen

riscv: allow native compilation

2018-10-03T09:49:44Z

If environment variable CROSS_COMPILE is not set, this indicates native compilation. In this case we should not set an arbitrary value which is not applicable for 64bit anyway. Signed-off-by: Heinrich Schuchardt

riscv: Explicitly pass -march and -mabi to the compiler

2018-10-03T09:47:43Z

At present the compiler flag against which architecture and abi variant the riscv image is built for is not explicitly indicated which means the default compiler configuration is used. But this does not work if we want to build a different target (eg: 32-bit riscv images using a toolchain configured for 64-bit riscv). Fix this by explicitly passing -march and -mabi to the compiler. Since generically we don't use floating point in U-Boot, specify the RV[32|64]IMA ISA and software floating ABI. This also fix some alignment coding style issues. Signed-off-by: Bin Meng Reviewed-by: Lukas Auer

config.mk: Remove duplicated -fno-strict-aliasing

2018-09-26T01:50:34Z

Now that we already disable the "strict-aliasing" globally, remove the duplicates in the nds32/riscv/x86 arch-specific Makefiles. Signed-off-by: Bin Meng Reviewed-by: Rick Chen Reviewed-by: Simon Glass

riscv: Add EFI application infrastructure

2018-05-29T06:43:12Z

The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf

riscv: Enable function sections

2018-05-29T06:43:12Z

The linker can remove sections that are never addressed, so it makes a lot of sense to declare every function as an individual section. This reduces the output U-Boot code size by ~30kb for me. Signed-off-by: Alexander Graf