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https://github.com/AsahiLinux/u-boot
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185f812c41
Sphinx expects Return: and not @return to indicate a return value.
find . -name '*.c' -exec \
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Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
/* SPDX-License-Identifier: Intel */
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/*
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* Access to binman information at runtime
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*
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* Copyright 2019 Google LLC
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#ifndef _BINMAN_H_
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#define _BINMAN_H_
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#include <dm/ofnode.h>
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/**
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*struct binman_entry - information about a binman entry
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*
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* @image_pos: Position of entry in the image
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* @size: Size of entry
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*/
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struct binman_entry {
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u32 image_pos;
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u32 size;
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};
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/**
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* binman_entry_map() - Look up the address of an entry in memory
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*
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* @parent: Parent binman node
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* @name: Name of entry
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* @bufp: Returns a pointer to the entry
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* @sizep: Returns the size of the entry
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* Return: 0 on success, -EPERM if the ROM offset is not set, -ENOENT if the
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* entry cannot be found, other error code other error
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*/
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int binman_entry_map(ofnode parent, const char *name, void **bufp, int *sizep);
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/**
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* binman_set_rom_offset() - Set the ROM memory-map offset
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*
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* @rom_offset: Offset from an image_pos to the memory-mapped address. This
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* tells binman that ROM image_pos x can be addressed at rom_offset + x
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*/
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void binman_set_rom_offset(int rom_offset);
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/**
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* binman_get_rom_offset() - Get the ROM memory-map offset
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*
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* @returns offset from an image_pos to the memory-mapped address
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*/
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int binman_get_rom_offset(void);
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/**
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* binman_entry_find() - Find a binman symbol
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*
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* This searches the binman information in the device tree for a symbol of the
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* given name
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*
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* @name: Path to entry to examine (e.g. "/read-only/u-boot")
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* @entry: Returns information about the entry
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* Return: 0 if OK, -ENOENT if the path is not found, other -ve value if the
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* binman information is invalid (missing image-pos or size)
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*/
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int binman_entry_find(const char *name, struct binman_entry *entry);
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/**
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* binman_section_find_node() - Find a binman node
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*
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* @name: Name of node to look for
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* Return: Node that was found, ofnode_null() if not found
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*/
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ofnode binman_section_find_node(const char *name);
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/**
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* binman_select_subnode() - Select a subnode to use to find entries
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*
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* Normally binman selects the top-level node for future entry requests, such as
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* binman_entry_find(). This function allows a subnode to be chosen instead.
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*
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* @name: Name of subnode, typically a section. This must be in the top-level
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* binman node
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* Return: 0 if OK, -EINVAL if there is no /binman node, -ECHILD if multiple
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* images are being used but the first image is not available, -ENOENT if
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* the requested subnode cannot be found
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*/
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int binman_select_subnode(const char *name);
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/**
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* binman_init() - Set up the binman symbol information
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*
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* This locates the binary symbol information in the device tree ready for use
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*
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* Return: 0 if OK, -ENOMEM if out of memory, -EINVAL if there is no binman node
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*/
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int binman_init(void);
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#endif
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