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https://github.com/AsahiLinux/u-boot
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dd802467f4
Move the manual-relocation code to the initcall file. Make sure to avoid manually relocating event types. Only true function pointers should be relocated. Signed-off-by: Simon Glass <sjg@chromium.org>
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2011 The Chromium OS Authors.
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*/
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#ifndef __INITCALL_H
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#define __INITCALL_H
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#include <asm/types.h>
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#include <event.h>
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_Static_assert(EVT_COUNT < 256, "Can only support 256 event types with 8 bits");
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/**
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* init_fnc_t - Init function
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*
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* Return: 0 if OK -ve on error
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*/
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typedef int (*init_fnc_t)(void);
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/* Top bit indicates that the initcall is an event */
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#define INITCALL_IS_EVENT GENMASK(BITS_PER_LONG - 1, 8)
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#define INITCALL_EVENT_TYPE GENMASK(7, 0)
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#define INITCALL_EVENT(_type) (void *)((_type) | INITCALL_IS_EVENT)
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/**
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* initcall_run_list() - Run through a list of function calls
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*
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* This calls functions one after the other, stopping at the first error, or
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* when NULL is obtained.
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*
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* @init_sequence: NULL-terminated init sequence to run
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* Return: 0 if OK, or -ve error code from the first failure
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*/
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int initcall_run_list(const init_fnc_t init_sequence[]);
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/**
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* initcall_manual_reloc() - Do manual relocation on an initcall sequence
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*
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* @init_sequence: NULL-terminated init sequence to relocate
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*/
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void initcall_manual_reloc(init_fnc_t init_sequence[]);
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#endif
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