arm: add uart echo app

arm/hal/lib/common/xdebug.h

@@ -0,0 +1,73 @@
+/******************************************************************************
+* Copyright (C) 2002 - 2021 Xilinx, Inc.  All rights reserved.
+* SPDX-License-Identifier: MIT
+******************************************************************************/
+
+
+#ifndef XDEBUG
+#define XDEBUG
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(DEBUG) && !defined(NDEBUG)
+
+#ifndef XDEBUG_WARNING
+#define XDEBUG_WARNING
+#warning DEBUG is enabled
+#endif
+
+int printf(const char *format, ...);
+
+#define XDBG_DEBUG_ERROR             0x00000001U    /* error  condition messages */
+#define XDBG_DEBUG_GENERAL           0x00000002U    /* general debug  messages */
+#define XDBG_DEBUG_ALL               0xFFFFFFFFU    /* all debugging data */
+
+#define XDBG_DEBUG_FIFO_REG          0x00000100U    /* display register reads/writes */
+#define XDBG_DEBUG_FIFO_RX           0x00000101U    /* receive debug messages */
+#define XDBG_DEBUG_FIFO_TX           0x00000102U    /* transmit debug messages */
+#define XDBG_DEBUG_FIFO_ALL          0x0000010FU    /* all fifo debug messages */
+
+#define XDBG_DEBUG_TEMAC_REG         0x00000400U    /* display register reads/writes */
+#define XDBG_DEBUG_TEMAC_RX          0x00000401U    /* receive debug messages */
+#define XDBG_DEBUG_TEMAC_TX          0x00000402U    /* transmit debug messages */
+#define XDBG_DEBUG_TEMAC_ALL         0x0000040FU    /* all temac  debug messages */
+
+#define XDBG_DEBUG_TEMAC_ADPT_RX     0x00000800U    /* receive debug messages */
+#define XDBG_DEBUG_TEMAC_ADPT_TX     0x00000801U    /* transmit debug messages */
+#define XDBG_DEBUG_TEMAC_ADPT_IOCTL  0x00000802U    /* ioctl debug messages */
+#define XDBG_DEBUG_TEMAC_ADPT_MISC   0x00000803U    /* debug msg for other routines */
+#define XDBG_DEBUG_TEMAC_ADPT_ALL    0x0000080FU    /* all temac adapter debug messages */
+
+
+#define xdbg_current_types (XDBG_DEBUG_GENERAL | XDBG_DEBUG_ERROR | XDBG_DEBUG_TEMAC_REG | XDBG_DEBUG_FIFO_RX | XDBG_DEBUG_FIFO_TX | XDBG_DEBUG_FIFO_REG)
+
+#define xdbg_stmnt(x)  x
+
+/* In VxWorks, if _WRS_GNU_VAR_MACROS is defined, special syntax is needed for
+ * macros that accept variable number of arguments
+ */
+#if defined(XENV_VXWORKS) && defined(_WRS_GNU_VAR_MACROS)
+#define xdbg_printf(type, args...) (((type) & xdbg_current_types) ? printf (## args) : 0)
+#else /* ANSI Syntax */
+#define xdbg_printf(type, ...) (((type) & xdbg_current_types) ? printf (__VA_ARGS__) : 0)
+#endif
+
+#else /* defined(DEBUG) && !defined(NDEBUG) */
+
+#define xdbg_stmnt(x)
+
+/* See VxWorks comments above */
+#if defined(XENV_VXWORKS) && defined(_WRS_GNU_VAR_MACROS)
+#define xdbg_printf(type, args...)
+#else /* ANSI Syntax */
+#define xdbg_printf(...)
+#endif
+#endif /* defined(DEBUG) && !defined(NDEBUG) */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* XDEBUG */