/*
 * Copyright (c) 2025, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2025-08-16     Rbb666       Configuration file for mCoreDump
 */

#ifndef __MCD_CFG_H__
#define __MCD_CFG_H__

/*
 * ===============================================================
 * Operating System Detection and Abstraction Layer
 * ===============================================================
 */

/* Auto-detect operating system */
#ifdef __RTTHREAD__
    #define MCD_OS_RTTHREAD    1
    #include <rtthread.h>
#else
    #define MCD_OS_BAREMETAL   1
    #include <stdint.h>
    #include <stdbool.h>
#endif

#define MCD_ALIGN(x, y)  (((x - 1) / y + 1) * y)

/*
 * ===============================================================
 * Print configuration - Printf function abstraction
 * ===============================================================
 */

/* OS-specific print function abstraction */
#ifdef MCD_OS_RTTHREAD
/* RT-Thread print functions */
#ifndef RT_USING_ULOG
/* Use rt_kprintf directly */
#define mcd_println(...)               rt_kprintf(__VA_ARGS__);rt_kprintf("\r\n")
#define mcd_print(...)                 rt_kprintf(__VA_ARGS__)
#else /* RT_USING_ULOG */
/* Use ulog for unified logging */
#include <ulog.h>
#define MCD_LOG_TAG                    "mcd"
#define mcd_println(...)               ulog_e(MCD_LOG_TAG, __VA_ARGS__);ulog_flush()
#define mcd_print(...)                 ulog_raw(__VA_ARGS__)
#endif /* RT_USING_ULOG */
#else
/* Bare metal - use standard printf or define custom */
#include <stdio.h>
#define mcd_println(...)               printf(__VA_ARGS__);printf("\r\n")
#define mcd_print(...)                 printf(__VA_ARGS__)
#endif /* MCD_OS_RTTHREAD */

/*
 * ===============================================================
 * Memory management abstraction
 * ===============================================================
 */

#ifdef MCD_OS_RTTHREAD
#define mcd_malloc(size)               rt_malloc(size)
#define mcd_free(ptr)                  rt_free(ptr)
#define mcd_memset(ptr, val, size)     rt_memset(ptr, val, size)
#define mcd_memcpy(dst, src, size)     rt_memcpy(dst, src, size)
#else
/* Standard C library */
#include <stdlib.h>
#include <string.h>
#define mcd_malloc(size)               malloc(size)
#define mcd_free(ptr)                  free(ptr)
#define mcd_memset(ptr, val, size)     memset(ptr, val, size)
#define mcd_memcpy(dst, src, size)     memcpy(dst, src, size)
#endif

/*
 * ===============================================================
 * Interrupt control abstraction
 * ===============================================================
 */

#ifdef MCD_OS_RTTHREAD
typedef rt_base_t mcd_irq_state_t;
#define mcd_irq_disable()              rt_hw_interrupt_disable()
#define mcd_irq_enable(state)          rt_hw_interrupt_enable(state)
#else
/* Bare metal - define as needed for specific platform */
typedef uint32_t mcd_irq_state_t;
#define mcd_irq_disable()              __disable_irq();
#define mcd_irq_enable(state)          __enable_irq()
#endif

/*
 * ===============================================================
 * Command export abstraction
 * ===============================================================
 */

#ifdef MCD_OS_RTTHREAD
#define MCD_CMD_EXPORT(cmd, desc)      MSH_CMD_EXPORT(cmd, desc)
#else
/* Other OS or bare metal */
#define MCD_CMD_EXPORT(cmd, desc)      /* No command export */
#endif

/*
 * ===============================================================
 * Boolean type abstraction
 * ===============================================================
 */

#ifdef MCD_OS_RTTHREAD
#define mcd_bool_t                     rt_bool_t
#define MCD_TRUE                       RT_TRUE
#define MCD_FALSE                      RT_FALSE
#else
#include <stdbool.h>
#define mcd_bool_t                     bool
#define MCD_TRUE                       true
#define MCD_FALSE                      false
#endif

/*
 * ===============================================================
 * ASSERT type abstraction
 * ===============================================================
 */

#ifdef MCD_OS_RTTHREAD
#define mcd_assert(expr)               RT_ASSERT(expr)
#else
#include <assert.h>
#define mcd_assert(expr)               assert(expr)
#endif /* MCD_OS_RTTHREAD */

/*
 * ===============================================================
 * Weak attribute abstraction
 * ===============================================================
 */

#ifdef MCD_OS_RTTHREAD
#ifndef RT_WEAK
#define MCD_WEAK                   rt_weak
#else
#define MCD_WEAK                   RT_WEAK
#endif /* RT_WEAK */
#else
/* Standard GCC weak attribute */
#define MCD_WEAK                       __attribute__((weak))
#endif /* MCD_OS_RTTHREAD */

/*
 * ===============================================================
 * Floating Point Unit (FPU) configuration
 * ===============================================================
 */

/* Automatic FPU detection - based on compiler definitions */
#if	/* ARMCC */ (  (defined ( __CC_ARM ) && defined ( __TARGET_FPU_VFP ))    \
	/* Clang */ || (defined ( __clang__ ) && defined ( __VFP_FP__ ) && !defined(__SOFTFP__)) \
	/* IAR */   || (defined ( __ICCARM__ ) && defined ( __ARMVFP__ ))        \
	/* GNU */   || (defined ( __GNUC__ ) && defined ( __VFP_FP__ ) && !defined(__SOFTFP__)) )
#define MCD_FPU_SUPPORT          1    /* FPU supported and enabled */
#else
#define MCD_FPU_SUPPORT          0    /* No FPU support */
#endif

/*
 * ===============================================================
 * Memory configuration
 * ===============================================================
 */

/* Default memory buffer size (can be overridden by Kconfig) */
#ifndef PKG_MCOREDUMP_MEMORY_SIZE
#define MCD_DEFAULT_MEMORY_SIZE           (8 * 1024)    /* Default 8KB */
#else
#define MCD_DEFAULT_MEMORY_SIZE           PKG_MCOREDUMP_MEMORY_SIZE
#endif /* PKG_MCOREDUMP_MEMORY_SIZE */

/*
 * ===============================================================
 * Filesystem configuration
 * ===============================================================
 */

#ifdef PKG_USING_MCOREDUMP_FILESYSTEM
/* Default filesystem settings */
#ifndef PKG_MCOREDUMP_FILESYSTEM_DIR
#define MCD_DEFAULT_COREDUMP_DIR      "/sdcard"
#else
#define MCD_DEFAULT_COREDUMP_DIR      PKG_MCOREDUMP_FILESYSTEM_DIR
#endif /* PKG_MCOREDUMP_FILESYSTEM_DIR*/

#ifndef PKG_MCOREDUMP_FILESYSTEM_PREFIX
#define MCD_DEFAULT_COREDUMP_PREFIX   "core_"
#else
#define MCD_DEFAULT_COREDUMP_PREFIX   PKG_MCOREDUMP_FILESYSTEM_PREFIX
#endif /* PKG_MCOREDUMP_FILESYSTEM_PREFIX */

#define MCD_DEFAULT_COREDUMP_EXT          ".elf"
#endif /* PKG_USING_MCOREDUMP_FILESYSTEM */

/*
 * ===============================================================
 * Output mode definitions
 * ===============================================================
 */

/* Coredump output modes */
typedef enum {
    MCD_OUTPUT_SERIAL = 0,                /* Output via serial port */
    MCD_OUTPUT_MEMORY,                    /* Store in memory buffer */
    MCD_OUTPUT_FILESYSTEM,                /* Save to filesystem */
    MCD_OUTPUT_FLASH                      /* Store in flash (reserved) */
} mcd_output_mode_t;

/* Return codes */
enum {
    MCD_ERROR = -1,
    MCD_OK = 0,
};

#endif /* __MCD_CFG_H__ */