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/* -------------------------------------------
Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved.
------------------------------------------- */
#include <libfdt/libfdt_env.h>
#include <libfdt/libfdt.h>
/***********************************************************************************/
/* @brief FDT error reporting system */
/***********************************************************************************/
/// @brief Error information structure.
struct fdt_err
{
const char* e_str;
};
#define fdt_error(VAL) \
[(VAL)] = { \
.e_str = #VAL, \
}
static struct fdt_err cb_fdtErrTbl[] = {
fdt_error(FDT_ERR_NOTFOUND),
fdt_error(FDT_ERR_EXISTS),
fdt_error(FDT_ERR_NOSPACE),
fdt_error(FDT_ERR_BADOFFSET),
fdt_error(FDT_ERR_BADPATH),
fdt_error(FDT_ERR_BADPHANDLE),
fdt_error(FDT_ERR_BADSTATE),
fdt_error(FDT_ERR_TRUNCATED),
fdt_error(FDT_ERR_BADMAGIC),
fdt_error(FDT_ERR_BADVERSION),
fdt_error(FDT_ERR_BADSTRUCTURE),
fdt_error(FDT_ERR_BADLAYOUT),
fdt_error(FDT_ERR_INTERNAL),
fdt_error(FDT_ERR_BADNCELLS),
fdt_error(FDT_ERR_BADVALUE),
fdt_error(FDT_ERR_BADOVERLAY),
fdt_error(FDT_ERR_NOPHANDLES),
fdt_error(FDT_ERR_BADFLAGS),
fdt_error(FDT_ERR_ALIGNMENT),
};
#define fdt_error_length() mpux_array_size(cb_fdtErrTbl)
/// @brief Returns the error value as a string.
/// @param errval
/// @return
const char* fdt_strerror(int32_t errval)
{
if (errval > 0)
{
return ("<valid offset/length>");
}
else if (errval == 0)
{
return ("<no error>");
}
else if (-errval < fdt_error_length())
{
const char* serr = cb_fdtErrTbl[errval].e_str;
if (serr != null)
{
return serr;
}
}
return ("<unknown error>");
}
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