fix loongson 2k1000 libc

Author: bigmagic123

bsp/ls2kdev/.config

@@ -104,7 +104,18 @@ CONFIG_FINSH_ARG_MAX=10
 #
 # Device virtual file system
 #
-# CONFIG_RT_USING_DFS is not set
+CONFIG_RT_USING_DFS=y
+CONFIG_DFS_USING_WORKDIR=y
+CONFIG_DFS_FILESYSTEMS_MAX=2
+CONFIG_DFS_FILESYSTEM_TYPES_MAX=2
+CONFIG_DFS_FD_MAX=16
+# CONFIG_RT_USING_DFS_MNTTABLE is not set
+# CONFIG_RT_USING_DFS_ELMFAT is not set
+CONFIG_RT_USING_DFS_DEVFS=y
+# CONFIG_RT_USING_DFS_ROMFS is not set
+# CONFIG_RT_USING_DFS_RAMFS is not set
+# CONFIG_RT_USING_DFS_UFFS is not set
+# CONFIG_RT_USING_DFS_JFFS2 is not set
 
 #
 # Device Drivers
@@ -148,6 +159,10 @@ CONFIG_RT_USING_PIN=y
 #
 CONFIG_RT_USING_LIBC=y
 # CONFIG_RT_USING_PTHREADS is not set
+CONFIG_RT_USING_POSIX=y
+# CONFIG_RT_USING_POSIX_MMAP is not set
+# CONFIG_RT_USING_POSIX_TERMIOS is not set
+# CONFIG_RT_USING_POSIX_AIO is not set
 # CONFIG_RT_USING_MODULE is not set
 
 #

bsp/ls2kdev/rtconfig.h

@@ -68,6 +68,12 @@
 
 /* Device virtual file system */
 
+#define RT_USING_DFS
+#define DFS_USING_WORKDIR
+#define DFS_FILESYSTEMS_MAX 2
+#define DFS_FILESYSTEM_TYPES_MAX 2
+#define DFS_FD_MAX 16
+#define RT_USING_DFS_DEVFS
 
 /* Device Drivers */
 
@@ -84,6 +90,7 @@
 /* POSIX layer and C standard library */
 
 #define RT_USING_LIBC
+#define RT_USING_POSIX
 
 /* Network */
 

bsp/ls2kdev/rtconfig.py

@@ -40,7 +40,7 @@
 OBJCPY = PREFIX + 'objcopy'
 READELF = PREFIX + 'readelf'
 
-DEVICE = ' -march=mips64r2 -mabi=64 -msoft-float -EL'
+DEVICE = ' -march=mips64r2 -mabi=64 -msoft-float -EL -mno-gpopt'
 CFLAGS = DEVICE + '  -G0 -mno-abicalls -fno-pic -fno-builtin -fno-exceptions -ffunction-sections -fomit-frame-pointer'
 AFLAGS = ' -c' + DEVICE + '  -fno-pic -fno-builtin -mno-abicalls -x assembler-with-cpp'
 LFLAGS = DEVICE + ' -nostartfiles -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T ls2k_ram.lds'