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31 ******************************************************************************/
32 /*****************************************************************************/
37 * This file contains assert related functions.
40 * MODIFICATION HISTORY:
42 * Ver Who Date Changes
43 * ----- ---- -------- -------------------------------------------------------
44 * 1.00a hbm 07/14/09 First release
47 ******************************************************************************/
49 #ifndef XIL_ASSERT_H /* prevent circular inclusions */
50 #define XIL_ASSERT_H /* by using protection macros */
52 #include "xil_types.h"
59 /***************************** Include Files *********************************/
62 /************************** Constant Definitions *****************************/
64 #define XIL_ASSERT_NONE 0U
65 #define XIL_ASSERT_OCCURRED 1U
68 extern u32 Xil_AssertStatus;
69 extern void Xil_Assert(const char8 *File, s32 Line);
70 void XNullHandler(void *NullParameter);
73 * This data type defines a callback to be invoked when an
74 * assert occurs. The callback is invoked only when asserts are enabled
76 typedef void (*Xil_AssertCallback) (const char8 *File, s32 Line);
78 /***************** Macros (Inline Functions) Definitions *********************/
82 /*****************************************************************************/
84 * This assert macro is to be used for functions that do not return anything
85 * (void). This in conjunction with the Xil_AssertWait boolean can be used to
86 * accomodate tests so that asserts which fail allow execution to continue.
88 * @param Expression is the expression to evaluate. If it evaluates to
89 * false, the assert occurs.
91 * @return Returns void unless the Xil_AssertWait variable is true, in which
92 * case no return is made and an infinite loop is entered.
96 ******************************************************************************/
97 #define Xil_AssertVoid(Expression) \
100 Xil_AssertStatus = XIL_ASSERT_NONE; \
102 Xil_Assert(__FILE__, __LINE__); \
103 Xil_AssertStatus = XIL_ASSERT_OCCURRED; \
108 /*****************************************************************************/
110 * This assert macro is to be used for functions that do return a value. This in
111 * conjunction with the Xil_AssertWait boolean can be used to accomodate tests
112 * so that asserts which fail allow execution to continue.
114 * @param Expression is the expression to evaluate. If it evaluates to false,
117 * @return Returns 0 unless the Xil_AssertWait variable is true, in which
118 * case no return is made and an infinite loop is entered.
122 ******************************************************************************/
123 #define Xil_AssertNonvoid(Expression) \
126 Xil_AssertStatus = XIL_ASSERT_NONE; \
128 Xil_Assert(__FILE__, __LINE__); \
129 Xil_AssertStatus = XIL_ASSERT_OCCURRED; \
134 /*****************************************************************************/
136 * Always assert. This assert macro is to be used for functions that do not
137 * return anything (void). Use for instances where an assert should always
140 * @return Returns void unless the Xil_AssertWait variable is true, in which
141 * case no return is made and an infinite loop is entered.
145 ******************************************************************************/
146 #define Xil_AssertVoidAlways() \
148 Xil_Assert(__FILE__, __LINE__); \
149 Xil_AssertStatus = XIL_ASSERT_OCCURRED; \
153 /*****************************************************************************/
155 * Always assert. This assert macro is to be used for functions that do return
156 * a value. Use for instances where an assert should always occur.
158 * @return Returns void unless the Xil_AssertWait variable is true, in which
159 * case no return is made and an infinite loop is entered.
163 ******************************************************************************/
164 #define Xil_AssertNonvoidAlways() \
166 Xil_Assert(__FILE__, __LINE__); \
167 Xil_AssertStatus = XIL_ASSERT_OCCURRED; \
174 #define Xil_AssertVoid(Expression)
175 #define Xil_AssertVoidAlways()
176 #define Xil_AssertNonvoid(Expression)
177 #define Xil_AssertNonvoidAlways()
181 /************************** Function Prototypes ******************************/
183 void Xil_AssertSetCallback(Xil_AssertCallback Routine);
189 #endif /* end of protection macro */