diff options
| author | Xiang Wang <wxjstz@126.com> | 2018-07-12 14:56:05 +0800 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2018-07-17 18:09:43 +0000 |
| commit | 5fed693a52ed9746900ce58ec12a2b245f08202e (patch) | |
| tree | 29bc3c68250a8365e0c25134f4383b07d29bb93f /src | |
| parent | 745e58a5ee50373276924349524a2594599e8bb5 (diff) | |
riscv: add support for modifying compiler options
Each HART of a SoC like fu540 supports a different ISA. In order for the
coreboot's code can run on each core, need to modify the compile options.
So add this code.
Change-Id: Ie33edc175e612846d4a74f3cbf7520d4145cb68b
Signed-off-by: Xiang Wang <wxjstz@126.com>
Reviewed-on: https://review.coreboot.org/27442
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Philipp Hug <philipp@hug.cx>
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/riscv/Kconfig | 14 | ||||
| -rw-r--r-- | src/arch/riscv/Makefile.inc | 12 | ||||
| -rw-r--r-- | src/soc/lowrisc/lowrisc/Kconfig | 12 | ||||
| -rw-r--r-- | src/soc/sifive/fu540/Kconfig | 12 | ||||
| -rw-r--r-- | src/soc/ucb/riscv/Kconfig | 12 |
5 files changed, 50 insertions, 12 deletions
diff --git a/src/arch/riscv/Kconfig b/src/arch/riscv/Kconfig index 2513c50030..916e269b32 100644 --- a/src/arch/riscv/Kconfig +++ b/src/arch/riscv/Kconfig @@ -2,12 +2,14 @@ config ARCH_RISCV bool default n -config ARCH_RISCV_COMPRESSED - bool - default n - help - Enable this option if your RISC-V processor supports compressed - instructions (RVC). Currently, this enables RVC for all stages. +config RISCV_ARCH + string + +config RISCV_ABI + string + +config RISCV_CODEMODEL + string config ARCH_BOOTBLOCK_RISCV bool diff --git a/src/arch/riscv/Makefile.inc b/src/arch/riscv/Makefile.inc index 4b2ff035d7..90e4240468 100644 --- a/src/arch/riscv/Makefile.inc +++ b/src/arch/riscv/Makefile.inc @@ -23,15 +23,15 @@ ifeq ($(CONFIG_ARCH_RAMSTAGE_RISCV),y) check-ramstage-overlap-regions += stack endif -riscv_arch = rv64imafd +riscv_flags = -I$(src)/arch/riscv/ -mcmodel=$(CONFIG_RISCV_CODEMODEL) -march=$(CONFIG_RISCV_ARCH) -mabi=$(CONFIG_RISCV_ABI) -ifeq ($(CONFIG_ARCH_RISCV_COMPRESSED),y) - riscv_arch := $(riscv_arch)c -endif +riscv_asm_flags = -march=$(CONFIG_RISCV_ARCH) -mabi=$(CONFIG_RISCV_ABI) + +COMPILER_RT_bootblock = $(shell $(GCC_bootblock) $(riscv_flags) -print-libgcc-file-name) -riscv_flags = -I$(src)/arch/riscv/ -mcmodel=medany -march=$(riscv_arch) +COMPILER_RT_romstage = $(shell $(GCC_romstage) $(riscv_flags) -print-libgcc-file-name) -riscv_asm_flags = -march=$(riscv_arch) +COMPILER_RT_ramstage = $(shell $(GCC_ramstage) $(riscv_flags) -print-libgcc-file-name) ################################################################################ ## bootblock diff --git a/src/soc/lowrisc/lowrisc/Kconfig b/src/soc/lowrisc/lowrisc/Kconfig index 528e7444f7..71078b5c25 100644 --- a/src/soc/lowrisc/lowrisc/Kconfig +++ b/src/soc/lowrisc/lowrisc/Kconfig @@ -11,4 +11,16 @@ config SOC_LOWRISC_LOWRISC if SOC_LOWRISC_LOWRISC +config RISCV_ARCH + string + default "rv64imafd" + +config RISCV_ABI + string + default "lp64d" + +config RISCV_CODEMODEL + string + default "medany" + endif diff --git a/src/soc/sifive/fu540/Kconfig b/src/soc/sifive/fu540/Kconfig index d247c280b5..c438a10162 100644 --- a/src/soc/sifive/fu540/Kconfig +++ b/src/soc/sifive/fu540/Kconfig @@ -23,4 +23,16 @@ config SOC_SIFIVE_FU540 if SOC_SIFIVE_FU540 +config RISCV_ARCH + string + default "rv64imac" + +config RISCV_ABI + string + default "lp64" + +config RISCV_CODEMODEL + string + default "medany" + endif diff --git a/src/soc/ucb/riscv/Kconfig b/src/soc/ucb/riscv/Kconfig index ff50f6f835..2a73f5c284 100644 --- a/src/soc/ucb/riscv/Kconfig +++ b/src/soc/ucb/riscv/Kconfig @@ -10,4 +10,16 @@ config SOC_UCB_RISCV if SOC_UCB_RISCV +config RISCV_ARCH + string + default "rv64imafd" + +config RISCV_ABI + string + default "lp64d" + +config RISCV_CODEMODEL + string + default "medany" + endif |