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// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
// Distributed under the Apache Software License, Version 2.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.apache.org/licenses/LICENSE-2.0)
// Official repository: https://github.com/ne-foss-org/neboot
#include <libfdt/libfdt.h>
#include <libfdt/libfdt_env.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 nb_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(nb_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 = nb_fdtErrTbl[errval].e_str;
if (serr != null) {
return serr;
}
}
return ("<unknown error>");
}
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