[bsp] k230添加Vector配置

RT-Thread · Oct 16, 2024 · 9c31948 · 9c31948
1 parent 49b6614
commit 9c31948
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Showing 4 changed files with 36 additions and 4 deletions.
diff --git a/bsp/k230/.config b/bsp/k230/.config
@@ -98,6 +98,7 @@ CONFIG_ARCH_MM_MMU=y
 CONFIG_KERNEL_VADDR_START=0xFFFFFFC000220000
 CONFIG_ARCH_RISCV=y
 CONFIG_ARCH_RISCV_FPU=y
+# CONFIG_ARCH_RISCV_VECTOR is not set
 CONFIG_ARCH_RISCV_FPU_D=y
 CONFIG_ARCH_RISCV64=y
 CONFIG_ARCH_USING_NEW_CTX_SWITCH=y

diff --git a/bsp/k230/Kconfig b/bsp/k230/Kconfig
@@ -30,12 +30,16 @@ config BOARD_fpgac908
     select ARCH_REMAP_KERNEL if RT_USING_SMART
     default y
 
+config ARCH_RISCV_VECTOR
+    bool "Enable RISCV Vector"
+    default n
+
 config __STACKSIZE__
     int "stack size for interrupt"
     default 4096
 
 config C908_PLIC_PHY_ADDR
-    int "PLIC base address"
+    hex "PLIC base address"
     default 0xF00000000
 
 config BSP_ROOTFS_TYPE_CROMFS

diff --git a/bsp/k230/README.md b/bsp/k230/README.md
@@ -8,6 +8,15 @@ source ~/.env/env.sh
 pkgs --update
 ```
 
+## 编译器
+
+通用版(rv64imafdc-lp64):
+https://download.rt-thread.org/download/rt-smart/toolchains/riscv64gc-linux-musleabi_for_x86_64-pc-linux-gnu_222725-8a397096c1.tar.bz2
+
+V指令版(rv64imafdcv-lp64d):
+https://download.rt-thread.org/rt-smart/riscv64/riscv64-unknown-linux-musl-rv64imafdcv-lp64d-20230608.tar.bz2
+
+
 ## 将根文件系统编译进内核
 
 为了方便测试，这里将根文件系统制作成CROMFS格式转换成C代码编译进内核。
@@ -36,3 +45,14 @@ export RTT_EXEC_PATH=/mnt/e/tools/riscv64gc/bin # 你自己的编译器路径
 
 scons -j8
 ```
+
+### 自定义-march与-mabi参数
+
+默认-march=rv64imafdc,-mabi=lp64。
+如果你想修改他们可以在执行scons时传入参数，如:
+```
+export RTT_EXEC_PATH=~/.tools/gnu_gcc/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu/bin
+
+scons -j8 march=rv64imafdcv mabi=lp64d
+```
+备注：使用V扩展需要使用`scons --menuconfig`开启内核对它的支持
diff --git a/bsp/k230/rtconfig.py b/bsp/k230/rtconfig.py
@@ -1,4 +1,5 @@
 import os
+from SCons.Script import ARGUMENTS
 
 # toolchains options
 ARCH        ='risc-v'
@@ -20,7 +21,13 @@
 
 EXEC_PATH = os.getenv('RTT_EXEC_PATH', EXEC_PATH)
 
-BUILD = 'debug'
+if ARGUMENTS.get('debug', 1):
+    BUILD = 'debug'
+else:
+    BUILD = 'release'
+
+MARCH = ARGUMENTS.get('march', 'rv64imafdc')
+MABI = ARGUMENTS.get('mabi', 'lp64')
 
 if PLATFORM == 'gcc':
     # toolchains
@@ -36,15 +43,15 @@
     OBJDUMP = PREFIX + 'objdump'
     OBJCPY  = PREFIX + 'objcopy'
 
-    DEVICE  = ' -mcmodel=medany -march=rv64imafdc -mabi=lp64'
+    DEVICE  = fr' -mcmodel=medany -march={MARCH} -mabi={MABI}'
     CFLAGS  = DEVICE + ' -Wno-cpp -fvar-tracking -ffreestanding -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -D_POSIX_SOURCE '
     AFLAGS  = ' -c' + DEVICE + ' -x assembler-with-cpp -D__ASSEMBLY__'
     LFLAGS  = DEVICE + ' -nostartfiles -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,_start -T link.lds' + ' -lsupc++ -lgcc -static'
     CPATH   = ''
     LPATH   = ''
 
     if BUILD == 'debug':
-        CFLAGS += ' -O2 -g -gdwarf-2'
+        CFLAGS += ' -O0 -g -gdwarf-2'
         AFLAGS += ' -g -gdwarf-2'
     else:
         CFLAGS += ' -O2 -g -gdwarf-2'