style:remove redundant code and normalize code formatting

Author: zhangjing0303

bsp/ultrarisc/drivers/SConscript

@@ -13,10 +13,4 @@ group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)
 
 objs = [group]
 
-list = os.listdir(cwd)
-
-for item in list:
-    if os.path.isfile(os.path.join(cwd, item, 'SConscript')):
-        objs = objs + SConscript(os.path.join(item, 'SConscript'))
-
 Return('objs')

bsp/ultrarisc/drivers/drv_dw_spi.c

@@ -137,8 +137,6 @@ static inline rt_uint32_t tx_max(struct dw_spi *dw_spi_dev)
     {
         return tx_left < tx_room ? tx_left : tx_room;
     }
-
-
 }
 
 static inline rt_uint32_t rx_max(struct dw_spi *dw_spi_dev)

bsp/ultrarisc/ur_dp1000_evb/.ci/attachconfig/ci.attachconfig.yml

@@ -1,38 +1,5 @@
 peripheral.MMC:
     kconfig:
-      - CONFIG_BSP_USING_DW_SPI=y
-      - CONFIG_DW_SPI_IRQ_BASE=19
-      - CONFIG_DW_SPI_BASE_ADDR=0x20320000
-      - CONFIG_DW_SPI_MAX_FREQ=62500000
-      - CONFIG_BSP_USING_MMC=y
-
-rtsmart:
-    kconfig:
-      - CONFIG_RT_USING_SMART=y
-      - CONFIG_KERNEL_VADDR_START=0xffffffc000000000
-      - CONFIG_ARCH_REMAP_KERNEL=y
-      - CONFIG_RT_USING_DFS_PTYFS=y
-      - CONFIG_RT_USING_DFS_PROCFS=y
-      - CONFIG_RT_USING_PAGECACHE=y
-      - CONFIG_RT_PAGECACHE_COUNT=4096
-      - CONFIG_RT_PAGECACHE_ASPACE_COUNT=1024
-      - CONFIG_RT_PAGECACHE_PRELOAD=4
-      - CONFIG_RT_PAGECACHE_HASH_NR=1024
-      - CONFIG_RT_PAGECACHE_GC_WORK_LEVEL=90
-      - CONFIG_RT_PAGECACHE_GC_STOP_LEVEL=70
-      - CONFIG_RT_USING_POSIX_EPOLL=y
-      - CONFIG_RT_USING_POSIX_SIGNALFD=y
-      - CONFIG_RT_SIGNALFD_MAX_NUM=10
-      - CONFIG_RT_USING_LWP=y
-      - CONFIG_LWP_USING_RUNTIME=y
-      - CONFIG_RT_LWP_MAX_NR=30
-      - CONFIG_LWP_TASK_STACK_SIZE=16384
-      - CONFIG_RT_CH_MSG_MAX_NR=1024
-      - CONFIG_LWP_TID_MAX_NR=64
-      - CONFIG_RT_LWP_SHM_MAX_NR=64
-      - CONFIG_RT_USING_LDSO=y
-      - CONFIG_LWP_USING_TERMINAL=y
-      - CONFIG_LWP_PTY_MAX_PARIS_LIMIT=64
       - CONFIG_BSP_USING_DW_SPI=y
       - CONFIG_DW_SPI_IRQ_BASE=19
       - CONFIG_DW_SPI_BASE_ADDR=0x20320000

bsp/ultrarisc/ur_dp1000_evb/README.md

@@ -88,7 +88,6 @@ scons
   ```
 
   成功运行时，串口端的输出如下：
-
   ```shell
   OpenSBI v1.6-66-gbeb27559acd
      ____                    _____ ____ _____
@@ -165,16 +164,5 @@ scons
   msh />
   / # 
   ```
-
   # 6. 联系人信息
-
-  zhangjing@ultrarisc.com。
-
-
-
-
-
-
-
-
-
+  zhangjing@ultrarisc.com

libcpu/risc-v/ultrarisc/ur-cp100/cache.c

@@ -6,6 +6,7 @@
  * Change Logs:
  * Date           Author       Notes
  * 2021-01-29     lizhirui     first version
+ * 2025-05-29     Zhang Jing   remove redundant code
  */
 
 #include <rthw.h>
@@ -14,22 +15,13 @@
 #include <riscv.h>
 #include <cache.h>
 
-rt_inline rt_uint32_t rt_cpu_icache_line_size()
-{
-    return 0;
-}
-
-rt_inline rt_uint32_t rt_cpu_dcache_line_size()
-{
-    return 0;
-}
-
 void rt_hw_cpu_icache_ops(int ops, void *addr, int size)
 {
     if (ops == RT_HW_CACHE_INVALIDATE)
     {
         rt_hw_cpu_icache_invalidate(addr, size);
     }
+    return;
 }
 
 void rt_hw_cpu_dcache_ops(int ops, void *addr, int size)
@@ -42,18 +34,12 @@ void rt_hw_cpu_dcache_ops(int ops, void *addr, int size)
     {
         rt_hw_cpu_dcache_invalidate(addr, size);
     }
-}
-
-rt_base_t rt_hw_cpu_icache_status_local()
-{
-    return 0;
-}
-
-rt_base_t rt_hw_cpu_dcache_status()
-{
-    return 0;
+    return;
 }
 
 void rt_hw_sync_cache_local(void *addr, int size)
 {
+    rt_hw_cpu_dcache_clean_local(addr, size);
+    rt_hw_cpu_icache_invalidate_local(addr, size);
+    return;
 }

libcpu/risc-v/ultrarisc/ur-cp100/cache.h

@@ -77,7 +77,9 @@ rt_always_inline void rt_hw_cpu_icache_invalidate_all_local(void)
 
 /** instruction barrier */
 static inline void rt_hw_cpu_sync(void)
-{}
+{
+    __asm__ __volatile__("fence.i" ::: "memory");
+}
 
 /**
  * @brief local cpu icahce & dcache synchronization