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[BSP][K230] Add soft-fpu option for k230

This commit is contained in:
bernard 2025-06-17 08:28:54 +08:00 committed by Rbb666
parent ad2de6e477
commit 9a8dec35c1
2 changed files with 25 additions and 4 deletions
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18
bsp/k230/Kconfig
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@ -10,14 +10,14 @@ source "$RTT_DIR/Kconfig"
source "$PKGS_DIR/Kconfig" source "$PKGS_DIR/Kconfig"
rsource "board/Kconfig" rsource "board/Kconfig"
config BOARD_fpgac908 config BOARD_C908
bool bool
select ARCH_RISCV64 select ARCH_RISCV64
select RT_USING_COMPONENTS_INIT select RT_USING_COMPONENTS_INIT
select RT_USING_USER_MAIN select RT_USING_USER_MAIN
select RT_USING_CACHE select RT_USING_CACHE
select ARCH_MM_MMU select ARCH_MM_MMU
select ARCH_RISCV_FPU_D select ARCH_RISCV_FPU
select ARCH_REMAP_KERNEL if RT_USING_SMART select ARCH_REMAP_KERNEL if RT_USING_SMART
default y default y
@ -38,3 +38,17 @@ choice BSP_ROOTFS_TYPE
select RT_USING_DFS_CROMFS select RT_USING_DFS_CROMFS
select PKG_USING_ZLIB select PKG_USING_ZLIB
endchoice endchoice
choice BSP_RISCV_USING_FPU
prompt "FPU precision"
default BSP_RISCV_FPU_D
config BSP_RISCV_FPU_SOFT
bool "Software floating-point"
select ARCH_RISCV_FPU
config BSP_RISCV_FPU_D
bool "Double-precision floating-point with Vector"
select ARCH_RISCV_FPU_D
select ARCH_RISCV_VECTOR
endchoice

11
bsp/k230/SConstruct
View File

@ -8,7 +8,6 @@ from rtconfig import RTT_ROOT
import sys import sys
def generate_ldscript(input, output): def generate_ldscript(input, output):
if not os.path.exists(input): if not os.path.exists(input):
print('Error: file', input, 'not found') print('Error: file', input, 'not found')
return return
@ -30,12 +29,20 @@ def generate_ldscript(input, output):
print(output, 'is generated from', input) print(output, 'is generated from', input)
sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')] sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
from building import * from building import *
TARGET = 'rtthread.' + rtconfig.TARGET_EXT TARGET = 'rtthread.' + rtconfig.TARGET_EXT
# apply soft-FPU config
options = LocalOptions("rtconfig.h")
soft_fpu = GetLocalDepend(options, 'BSP_RISCV_FPU_SOFT')
if soft_fpu:
rtconfig.DEVICE = rtconfig.DEVICE.replace('-march=rv64imafdcv -mabi=lp64d', '-march=rv64imafdc -mabi=lp64')
rtconfig.CFLAGS = rtconfig.CFLAGS.replace('-march=rv64imafdcv -mabi=lp64d', '-march=rv64imafdc -mabi=lp64')
rtconfig.LFLAGS = rtconfig.LFLAGS.replace('-march=rv64imafdcv -mabi=lp64d', '-march=rv64imafdc -mabi=lp64')
rtconfig.AFLAGS = rtconfig.AFLAGS.replace('-march=rv64imafdcv -mabi=lp64d', '-march=rv64imafdc -mabi=lp64')
DefaultEnvironment(tools=[]) DefaultEnvironment(tools=[])
env = Environment(tools = ['mingw'], env = Environment(tools = ['mingw'],
AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS, AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,