diff --git a/components/finsh/SConscript b/components/finsh/SConscript
index 9c5bd0c37e54b9802bbdf4fb072fbf7b307a2fe2..8eeb67df38eb854d8c4042fb4dcd011b707ffb4f 100644
--- a/components/finsh/SConscript
+++ b/components/finsh/SConscript
@@ -5,10 +5,10 @@ from building import *
 src	= Glob('*.c')
 CPPPATH = [RTT_ROOT + '/components/finsh']
 if rtconfig.CROSS_TOOL == 'keil':
-    LINKFLAGS = ' --keep __fsym_* --keep __vsym_*'
+    LINKFLAGS = ' --keep __fsym_* --keep __vsym_* '
 else:
-    LINKFLAGS = ''
+    LINKFLAGS = '' 
 
-group = DefineGroup('finsh', src, depend = ['RT_USING_FINSH'], CPPPATH = CPPPATH, LINKFLAGS = LINKFLAGS)
+group = DefineGroup('finsh', src, depend = ['RT_USING_FINSH'], CPPPATH = CPPPATH, LINKFLAGS = LINKFLAGS, LIBRARY = '')
 
 Return('group')
diff --git a/libcpu/arm/s3c24x0/start_rvds.S b/libcpu/arm/s3c24x0/start_rvds.S
index 5ca6f94022b58f406b2ee36fda701cd23ecbe961..89fca25c39d0fdd3cc89eb0326cc786f97ea6a29 100644
--- a/libcpu/arm/s3c24x0/start_rvds.S
+++ b/libcpu/arm/s3c24x0/start_rvds.S
@@ -1137,7 +1137,7 @@ rt_hw_context_switch_interrupt_do   PROC
                 MRS     r3,  spsr       ; get cpsr of interrupt thread
 
                 ; switch to SVC mode and no interrupt
-                MSR     cpsr_c, #I_Bit|F_Bit|Mode_SVC
+				MSR 	cpsr_c, #I_Bit:OR:F_Bit:OR:Mode_SVC
 
                 STMFD   sp!, {r2}       ; push old task's pc
                 STMFD   sp!, {r4-r12,lr}; push old task's lr,r12-r4
diff --git a/src/SConscript b/src/SConscript
index 01bd92942543d00e34af4d39f18ae3366450a1a8..77018f4d2c5e1b0674bdfd13f6be6d20c5ac6505 100644
--- a/src/SConscript
+++ b/src/SConscript
@@ -1,8 +1,13 @@
 Import('RTT_ROOT')
+Import('rtconfig')
 from building import *
 
 src     = Glob('*.c')
 CPPPATH = [RTT_ROOT + '/include']
-group   = DefineGroup('Kernel', src, depend = [''], CPPPATH = CPPPATH)
+if rtconfig.CROSS_TOOL == 'keil' and GetDepend('RT_USING_MODULE') == True:
+    LINKFLAGS = ' --keep __rtmsym_* '
+else:
+    LINKFLAGS = '' 
+group   = DefineGroup('Kernel', src, depend = [''], CPPPATH = CPPPATH, LINKFLAGS = LINKFLAGS)
 
 Return('group')