mirror of
https://github.com/u-boot/u-boot.git
synced 2024-12-05 18:43:27 +08:00
9485a80be1
Fix typo.
Fixes: 1979063264
("binman: Support accessing binman tables at run time")
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
93 lines
3.0 KiB
C
93 lines
3.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Symbol access for symbols set up by binman as part of the build.
|
|
*
|
|
* This allows C code to access the position of a particular part of the image
|
|
* assembled by binman.
|
|
*
|
|
* Copyright (c) 2017 Google, Inc
|
|
*/
|
|
|
|
#ifndef __BINMAN_SYM_H
|
|
#define __BINMAN_SYM_H
|
|
|
|
#define BINMAN_SYM_MISSING (-1UL)
|
|
|
|
#ifdef CONFIG_BINMAN
|
|
|
|
/**
|
|
* binman_symname() - Internal function to get a binman symbol name
|
|
*
|
|
* @entry_name: Name of the entry to look for (e.g. 'u_boot_spl')
|
|
* @_prop_name: Property value to get from that entry (e.g. 'pos')
|
|
* @returns name of the symbol for that entry and property
|
|
*/
|
|
#define binman_symname(_entry_name, _prop_name) \
|
|
_binman_ ## _entry_name ## _prop_ ## _prop_name
|
|
|
|
/**
|
|
* binman_sym_declare() - Declare a symbol that will be used at run-time
|
|
*
|
|
* @_type: Type f the symbol (e.g. unsigned long)
|
|
* @entry_name: Name of the entry to look for (e.g. 'u_boot_spl')
|
|
* @_prop_name: Property value to get from that entry (e.g. 'pos')
|
|
*/
|
|
#define binman_sym_declare(_type, _entry_name, _prop_name) \
|
|
_type binman_symname(_entry_name, _prop_name) \
|
|
__attribute__((aligned(4), unused, section(".binman_sym")))
|
|
|
|
/**
|
|
* binman_sym_extern() - Declare a extern symbol that will be used at run-time
|
|
*
|
|
* @_type: Type f the symbol (e.g. unsigned long)
|
|
* @entry_name: Name of the entry to look for (e.g. 'u_boot_spl')
|
|
* @_prop_name: Property value to get from that entry (e.g. 'pos')
|
|
*/
|
|
#define binman_sym_extern(_type, _entry_name, _prop_name) \
|
|
extern _type binman_symname(_entry_name, _prop_name) \
|
|
__attribute__((aligned(4), unused, section(".binman_sym")))
|
|
|
|
/**
|
|
* binman_sym_declare_optional() - Declare an optional symbol
|
|
*
|
|
* If this symbol cannot be provided by binman, an error will not be generated.
|
|
* Instead the image will be assigned the value BINMAN_SYM_MISSING.
|
|
*
|
|
* @_type: Type f the symbol (e.g. unsigned long)
|
|
* @entry_name: Name of the entry to look for (e.g. 'u_boot_spl')
|
|
* @_prop_name: Property value to get from that entry (e.g. 'pos')
|
|
*/
|
|
#define binman_sym_declare_optional(_type, _entry_name, _prop_name) \
|
|
_type binman_symname(_entry_name, _prop_name) \
|
|
__attribute__((aligned(4), weak, unused, \
|
|
section(".binman_sym")))
|
|
|
|
/**
|
|
* binman_sym() - Access a previously declared symbol
|
|
*
|
|
* This is used to get the value of a symbol. E.g.:
|
|
*
|
|
* ulong address = binman_sym(ulong, u_boot_spl, pos);
|
|
*
|
|
* @_type: Type f the symbol (e.g. unsigned long)
|
|
* @entry_name: Name of the entry to look for (e.g. 'u_boot_spl')
|
|
* @_prop_name: Property value to get from that entry (e.g. 'pos')
|
|
* @returns value of that property (filled in by binman)
|
|
*/
|
|
#define binman_sym(_type, _entry_name, _prop_name) \
|
|
(*(_type *)&binman_symname(_entry_name, _prop_name))
|
|
|
|
#else /* !BINMAN */
|
|
|
|
#define binman_sym_declare(_type, _entry_name, _prop_name)
|
|
|
|
#define binman_sym_declare_optional(_type, _entry_name, _prop_name)
|
|
|
|
#define binman_sym_extern(_type, _entry_name, _prop_name)
|
|
|
|
#define binman_sym(_type, _entry_name, _prop_name) BINMAN_SYM_MISSING
|
|
|
|
#endif /* BINMAN */
|
|
|
|
#endif
|