- bootloader prepared for use mit mips debugger

- changed address of debugger entry
- mips_dbg: no use om memset and memcpy

git-svn-id: http://moon:8086/svn/mips@120 a8ebac50-d88d-4704-bea3-6648445a41b3

src/libsys/boards/denano/board.c

@@ -20,7 +20,7 @@ int gdb_stub(struct xcptcontext * xcp)
 	return 0;
 }
 #ifdef WITH_ROM_GDBSTUB
-const fp_xcpt_t dbg_func = (fp_xcpt_t)0xbfc01f00;
+const fp_xcpt_t dbg_func = (fp_xcpt_t)0xbfc01fc0;
 #else
 const fp_xcpt_t dbg_func = (fp_xcpt_t)gdb_stub;
 #endif

src/libsys/boards/ml402/board.c

@@ -20,7 +20,7 @@ int gdb_stub(struct xcptcontext * xcp)
 	return 0;
 }
 #ifdef WITH_ROM_GDBSTUB
-const fp_xcpt_t dbg_func = (fp_xcpt_t)0xbfc01f00;
+const fp_xcpt_t dbg_func = (fp_xcpt_t)0xbfc01fc0;
 #else
 const fp_xcpt_t dbg_func = (fp_xcpt_t)gdb_stub;
 #endif

src/libsys/gdb_stub.c

@@ -120,16 +120,29 @@ void dbg_strcpy(char *pDst, const char *pSrc)
 	*pDst = *pSrc;
 }
 
-void* dbg_memset(void *pBuffer, int value, size_t size)
+void* dbg_memset(void *pDst, int value, size_t size)
 {
-	char *pData = (char*)pBuffer;
+	char *dst = (char*)pDst;
 	
 	while(size)
 	{
-		*(pData++) = (char)value;
+		*(dst++) = (char)value;
 		size--;
 	}
-	return (void*)pData;
+	return (void*)dst;
+}
+
+void* dbg_memcpy(void *pDst, const void *pSrc, size_t size )
+{
+	char *dst = (char*)pDst;
+	char *src = (char*)pSrc;
+	
+	while(size)
+	{
+		*(dst++) = *(src++);
+		size--;
+	}
+	return (void*)dst;
 }
 
 /************************************************************************/

src/libsys/mips_dbg.c

@@ -58,7 +58,6 @@ static bp_t mgmt_bp_ru[2];
 static int g_is_ss;
 static int g_bp_count;
 
-#if 1
 extern void dbg_putchar(char c);
 extern char dbg_getchar();
 
@@ -148,7 +147,39 @@ void dbg_print_word_d(int word)
 	}
 }
 
-#endif
+void dbg_strcpy(char *pDst, const char *pSrc)
+{
+	while(*pSrc)
+	{
+		*(pDst++) = *(pSrc++);
+	}
+	*pDst = *pSrc;
+}
+
+void* dbg_memset(void *pDst, int value, size_t size)
+{
+	char *dst = (char*)pDst;
+	
+	while(size)
+	{
+		*(dst++) = (char)value;
+		size--;
+	}
+	return (void*)dst;
+}
+
+void* dbg_memcpy(void *pDst, const void *pSrc, size_t size )
+{
+	char *dst = (char*)pDst;
+	char *src = (char*)pSrc;
+	
+	while(size)
+	{
+		*(dst++) = *(src++);
+		size--;
+	}
+	return (void*)dst;
+}
 
 int IsBreak(uint32_t instr)
 {
@@ -303,7 +334,7 @@ int dbg_handler(struct xcptcontext * xcp)
 
 	if (g_state = STATE_INIT)
 	{
-		memset(&xcp_last, 0, sizeof(EXCEPTION_CONTEXT));
+		dbg_memset(&xcp_last, 0, sizeof(EXCEPTION_CONTEXT));
 	}
 
 	dbg_puts_d("\n");dbg_puts_d(g_state_names[g_state]);dbg_puts_d("\n");
@@ -585,7 +616,7 @@ int dbg_handler(struct xcptcontext * xcp)
 		}
 	} while (!leave_isr);
 
-	memcpy(&xcp_last, xcp, sizeof(EXCEPTION_CONTEXT));
+	dbg_memcpy(&xcp_last, xcp, sizeof(EXCEPTION_CONTEXT));
 	
 	return 0;
 }