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git-svn-id: http://moon:8086/svn/vhdl/trunk@272 cc03376c-175c-47c8-b038-4cd826a8556b

lib/CPUs/MIPS/bsp/examples/xcpt.h

@@ -0,0 +1,34 @@
+#ifndef XCPT_H
+#define XCPT_H
+
+typedef enum
+{
+	Int = 0, Mod = 1, TLBL = 2, TLBS = 3, AdEL = 4, AdES = 5,
+	IBE = 6, DBE = 7, Syscall = 8, Bp = 9, RI = 10, CpU = 11,
+	Ov = 12, TRAP = 13, VCEI = 14, FPE = 15, C2E = 16, Watch = 23, VCED = 31
+
+} EXCEPTION_CODE;
+
+typedef unsigned int reg_t;
+
+typedef struct xcptcontext
+{
+	/* This is the exception context frame that is passed to the exception
+	handlers. It gets filled in by the low-level exception handler in
+	"machine.S". An assembler version of this structure can be found at the
+	bottom of "machine.H".*/
+	reg_t sr;					/* Status Register */
+	reg_t cr;					/* Cause Register */
+	reg_t epc;					/* PC at time of exception. */
+	reg_t baddr;
+	reg_t regs[32];				/* Copy of all general purpose registers */
+	reg_t mdlo;					/* HI/LO registers (used for memory management) */
+	reg_t mdhi;
+	reg_t count;				/* Timer registers */
+	reg_t compare;
+	struct xcptcontext * prev;	/* To link exceptions. (unused for now) */
+	unsigned xclass;			/* Priority class of this exception. (unused for now). */
+
+} EXCEPTION_CONTEXT;
+
+#endif // XCPT_H