SoC/evalsoc: Fix undeclared exc_entry when CFG_HAS_TRAP_CSR macro def…

…ined

Error like this error: 'exc_entry' undeclared (first use in this function)

Signed-off-by: Huaqi Fang <[email protected]>

SoC/evalsoc/Common/Include/cpufeature.h

@@ -26,6 +26,10 @@ extern "C" {
 // EXCP is the exception module, if not defined, it means not present
 // If not present, you need to remove .exception section in linker script
 #define CFG_HAS_EXCP
+
+// Define it when you have TRAP related CSR such as MTVT and MTVEC
+//#define CFG_HAS_TRAP_CSR
+
 // PMONITOR is the mcycle and minsret counter, if not defined, it means not present
 #define CFG_HAS_PMONITOR
 

SoC/evalsoc/Common/Source/system_evalsoc.c

@@ -36,6 +36,10 @@
 #define SYSTEM_CLOCK    (16000000UL)
 #endif
 
+#ifdef CFG_HAS_EXCP
+extern void exc_entry(void);
+#endif
+
 /**
  * \defgroup  NMSIS_Core_SystemConfig       System Device Configuration
  * \brief Functions for system and clock setup available in system_<device>.c.