From eb0544c847f6cb84b6990165ed473d509d821beb Mon Sep 17 00:00:00 2001
From: bigamgic <zhaofujin@rt-thread.com>
Date: Thu, 18 Jun 2020 22:27:43 +0800
Subject: [PATCH] fix loongson 2k1000 libc

---
 bsp/ls2kdev/.config     | 17 ++++++++++++++++-
 bsp/ls2kdev/rtconfig.h  |  7 +++++++
 bsp/ls2kdev/rtconfig.py |  2 +-
 3 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/bsp/ls2kdev/.config b/bsp/ls2kdev/.config
index e841744dfc..904e3c848d 100644
--- a/bsp/ls2kdev/.config
+++ b/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
 
 #
diff --git a/bsp/ls2kdev/rtconfig.h b/bsp/ls2kdev/rtconfig.h
index a75d0ca015..c18aef3d38 100644
--- a/bsp/ls2kdev/rtconfig.h
+++ b/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 */
 
diff --git a/bsp/ls2kdev/rtconfig.py b/bsp/ls2kdev/rtconfig.py
index c8490a382f..d932bf985b 100644
--- a/bsp/ls2kdev/rtconfig.py
+++ b/bsp/ls2kdev/rtconfig.py
@@ -40,7 +40,7 @@ OBJDUMP = PREFIX + 'objdump'
 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'