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57c4cd17e6
The relocation offset can change in some initcall sequences. Handle this and make sure it is used for all debugging statements in init_run_list() Update the trace test to match. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org>
103 lines
2.1 KiB
C
103 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2013 The Chromium OS Authors.
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*/
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#include <efi.h>
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#include <initcall.h>
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#include <log.h>
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#include <relocate.h>
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#include <asm/global_data.h>
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DECLARE_GLOBAL_DATA_PTR;
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static ulong calc_reloc_ofs(void)
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{
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#ifdef CONFIG_EFI_APP
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return (ulong)image_base;
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#endif
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/*
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* Sandbox is relocated by the OS, so symbols always appear at
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* the relocated address.
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*/
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if (IS_ENABLED(CONFIG_SANDBOX) || (gd->flags & GD_FLG_RELOC))
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return gd->reloc_off;
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return 0;
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}
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/**
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* initcall_is_event() - Get the event number for an initcall
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*
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* func: Function pointer to check
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* Return: Event number, if this is an event, else 0
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*/
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static int initcall_is_event(init_fnc_t func)
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{
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ulong val = (ulong)func;
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if ((val & INITCALL_IS_EVENT) == INITCALL_IS_EVENT)
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return val & INITCALL_EVENT_TYPE;
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return 0;
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}
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/*
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* To enable debugging. add #define DEBUG at the top of the including file.
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*
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* To find a symbol, use grep on u-boot.map
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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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ulong reloc_ofs;
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const init_fnc_t *ptr;
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enum event_t type;
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init_fnc_t func;
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int ret = 0;
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for (ptr = init_sequence; func = *ptr, func; ptr++) {
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reloc_ofs = calc_reloc_ofs();
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type = initcall_is_event(func);
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if (type) {
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if (!CONFIG_IS_ENABLED(EVENT))
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continue;
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debug("initcall: event %d/%s\n", type,
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event_type_name(type));
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} else if (reloc_ofs) {
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debug("initcall: %p (relocated to %p)\n",
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(char *)func - reloc_ofs, (char *)func);
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} else {
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debug("initcall: %p\n", (char *)func - reloc_ofs);
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}
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ret = type ? event_notify_null(type) : func();
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if (ret)
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break;
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}
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if (ret) {
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if (CONFIG_IS_ENABLED(EVENT)) {
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char buf[60];
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/* don't worry about buf size as we are dying here */
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if (type) {
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sprintf(buf, "event %d/%s", type,
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event_type_name(type));
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} else {
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sprintf(buf, "call %p",
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(char *)func - reloc_ofs);
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}
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printf("initcall failed at %s (err=%dE)\n", buf, ret);
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} else {
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printf("initcall failed at call %p (err=%d)\n",
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(char *)func - reloc_ofs, ret);
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}
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return ret;
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}
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return 0;
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}
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