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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2013 The Chromium OS Authors.
*/
#include <efi.h>
#include <initcall.h>
#include <log.h>
#include <relocate.h>
#include <asm/global_data.h>
DECLARE_GLOBAL_DATA_PTR;
static ulong calc_reloc_ofs(void)
{
#ifdef CONFIG_EFI_APP
return (ulong)image_base;
#endif
/*
* Sandbox is relocated by the OS, so symbols always appear at
* the relocated address.
*/
if (IS_ENABLED(CONFIG_SANDBOX) || (gd->flags & GD_FLG_RELOC))
return gd->reloc_off;
return 0;
}
/**
* initcall_is_event() - Get the event number for an initcall
*
* func: Function pointer to check
* Return: Event number, if this is an event, else 0
*/
static int initcall_is_event(init_fnc_t func)
{
ulong val = (ulong)func;
if ((val & INITCALL_IS_EVENT) == INITCALL_IS_EVENT)
return val & INITCALL_EVENT_TYPE;
return 0;
}
/*
* To enable debugging. add #define DEBUG at the top of the including file.
*
* To find a symbol, use grep on u-boot.map
*/
int initcall_run_list(const init_fnc_t init_sequence[])
{
ulong reloc_ofs = calc_reloc_ofs();
const init_fnc_t *ptr;
enum event_t type;
init_fnc_t func;
int ret = 0;
for (ptr = init_sequence; func = *ptr, !ret && func; ptr++) {
type = initcall_is_event(func);
if (type) {
if (!CONFIG_IS_ENABLED(EVENT))
continue;
debug("initcall: event %d/%s\n", type,
event_type_name(type));
} else if (reloc_ofs) {
debug("initcall: %p (relocated to %p)\n",
(char *)func - reloc_ofs, (char *)func);
} else {
debug("initcall: %p\n", (char *)func - reloc_ofs);
}
ret = type ? event_notify_null(type) : func();
}
if (ret) {
if (CONFIG_IS_ENABLED(EVENT)) {
char buf[60];
/* don't worry about buf size as we are dying here */
if (type) {
sprintf(buf, "event %d/%s", type,
event_type_name(type));
} else {
sprintf(buf, "call %p", func);
}
printf("initcall failed at %s (err=%dE)\n", buf, ret);
} else {
printf("initcall failed at call %p (err=%d)\n",
(char *)func - reloc_ofs, ret);
}
return ret;
}
return 0;
}
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