diff --git a/libcpu/xilinx/microblaze/microblaze.inc b/libcpu/xilinx/microblaze/microblaze.inc
new file mode 100755
index 0000000000..19128df3fc
--- /dev/null
+++ b/libcpu/xilinx/microblaze/microblaze.inc
@@ -0,0 +1,116 @@
+/*
+ * File      : microblaze.inc
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2011-12-17     nl1031       first implementation for MicroBlaze.
+ *
+ */
+
+
+
+.equ    STACK_RMSR,   	0x00
+.equ    STACK_R02,    	0x04
+.equ    STACK_R03,    	0x08
+.equ    STACK_R04,    	0x0C
+.equ    STACK_R05,    	0x10
+.equ    STACK_R06,    	0x14
+.equ    STACK_R07,    	0x18
+.equ    STACK_R08,    	0x1C
+.equ    STACK_R09,    	0x20
+.equ    STACK_R10,    	0x24
+.equ    STACK_R11,    	0x28
+.equ    STACK_R12,    	0x2C
+.equ    STACK_R13,    	0x30
+.equ    STACK_R14,    	0x34
+.equ    STACK_R15,    	0x38
+.equ    STACK_R17,    	0x3C
+.equ    STACK_R18,    	0x40
+.equ    STACK_R19,    	0x44
+.equ    STACK_R20,    	0x48
+.equ    STACK_R21,    	0x4C
+.equ    STACK_R22,    	0x50
+.equ    STACK_R23,    	0x54
+.equ    STACK_R24,    	0x58
+.equ    STACK_R25,    	0x5C
+.equ    STACK_R26,    	0x60
+.equ    STACK_R27,    	0x64
+.equ    STACK_R28,    	0x68
+.equ    STACK_R29,    	0x6C
+.equ    STACK_R30,    	0x70
+.equ    STACK_R31,    	0x74
+
+.equ    STACK_SIZE,   	0x78
+.equ    IE_BIT,       	0x02
+
+.macro PUSH_ALL 
+    ADDIK   r1,  r1, -STACK_SIZE
+    SWI     r2,  r1,  STACK_R02
+    SWI     r3,  r1,  STACK_R03
+    SWI     r4,  r1,  STACK_R04
+    SWI     r5,  r1,  STACK_R05
+    SWI     r6,  r1,  STACK_R06
+    SWI     r7,  r1,  STACK_R07
+    SWI     r8,  r1,  STACK_R08
+    SWI     r9,  r1,  STACK_R09
+    SWI     r10, r1,  STACK_R10
+    SWI     r11, r1,  STACK_R11
+    SWI     r12, r1,  STACK_R12
+    SWI     r13, r1,  STACK_R13
+    SWI     r14, r1,  STACK_R14
+    SWI     r15, r1,  STACK_R15
+    SWI     r17, r1,  STACK_R17
+    SWI     r18, r1,  STACK_R18
+    SWI     r19, r1,  STACK_R19
+    SWI     r20, r1,  STACK_R20
+    SWI     r21, r1,  STACK_R21
+    SWI     r22, r1,  STACK_R22
+    SWI     r23, r1,  STACK_R23
+    SWI     r24, r1,  STACK_R24
+    SWI     r25, r1,  STACK_R25
+    SWI     r26, r1,  STACK_R26
+    SWI     r27, r1,  STACK_R27
+    SWI     r28, r1,  STACK_R28
+    SWI     r29, r1,  STACK_R29
+    SWI     r30, r1,  STACK_R30
+    SWI     r31, r1,  STACK_R31
+.endm
+
+.macro POP_ALL
+    LWI     r31, r1, STACK_R31
+    LWI     r30, r1, STACK_R30
+    LWI     r29, r1, STACK_R29
+    LWI     r28, r1, STACK_R28
+    LWI     r27, r1, STACK_R27
+    LWI     r26, r1, STACK_R26
+    LWI     r25, r1, STACK_R25
+    LWI     r24, r1, STACK_R24
+    LWI     r23, r1, STACK_R23
+    LWI     r22, r1, STACK_R22
+    LWI     r21, r1, STACK_R21
+    LWI     r20, r1, STACK_R20
+    LWI     r19, r1, STACK_R19
+    LWI     r18, r1, STACK_R18
+    LWI     r17, r1, STACK_R17
+    LWI     r15, r1, STACK_R15
+    LWI     r14, r1, STACK_R14
+    LWI     r13, r1, STACK_R13
+    LWI     r12, r1, STACK_R12
+    LWI     r11, r1, STACK_R11
+    LWI     r10, r1, STACK_R10
+    LWI     r9,  r1, STACK_R09
+    LWI     r8,  r1, STACK_R08
+    LWI     r7,  r1, STACK_R07
+    LWI     r6,  r1, STACK_R06
+    LWI     r5,  r1, STACK_R05
+    LWI     r4,  r1, STACK_R04
+    LWI     r3,  r1, STACK_R03
+    LWI     r2,  r1, STACK_R02
+.endm
+