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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
101 lines
2.1 KiB
C
101 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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*
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* arch/xtensa/platform-iss/setup.c
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*
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* Platform specific initialization.
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*
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* Authors: Chris Zankel <chris@zankel.net>
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* Joe Taylor <joe@tensilica.com>
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*
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* Copyright 2001 - 2005 Tensilica Inc.
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* Copyright 2017 Cadence Design Systems Inc.
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*/
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#include <linux/memblock.h>
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#include <linux/stddef.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/reboot.h>
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#include <linux/kdev_t.h>
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#include <linux/types.h>
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#include <linux/major.h>
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#include <linux/blkdev.h>
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#include <linux/console.h>
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#include <linux/delay.h>
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#include <linux/stringify.h>
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#include <linux/notifier.h>
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#include <asm/platform.h>
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#include <asm/bootparam.h>
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#include <asm/setup.h>
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#include <platform/simcall.h>
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void __init platform_init(bp_tag_t* bootparam)
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{
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}
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void platform_halt(void)
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{
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pr_info(" ** Called platform_halt() **\n");
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simc_exit(0);
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}
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void platform_power_off(void)
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{
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pr_info(" ** Called platform_power_off() **\n");
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simc_exit(0);
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}
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void platform_restart(void)
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{
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/* Flush and reset the mmu, simulate a processor reset, and
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* jump to the reset vector. */
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cpu_reset();
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/* control never gets here */
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}
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void platform_heartbeat(void)
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{
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}
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static int
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iss_panic_event(struct notifier_block *this, unsigned long event, void *ptr)
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{
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simc_exit(1);
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return NOTIFY_DONE;
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}
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static struct notifier_block iss_panic_block = {
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.notifier_call = iss_panic_event,
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};
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void __init platform_setup(char **p_cmdline)
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{
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static void *argv[COMMAND_LINE_SIZE / sizeof(void *)] __initdata;
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static char cmdline[COMMAND_LINE_SIZE] __initdata;
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int argc = simc_argc();
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int argv_size = simc_argv_size();
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if (argc > 1) {
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if (argv_size > sizeof(argv)) {
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pr_err("%s: command line too long: argv_size = %d\n",
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__func__, argv_size);
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} else {
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int i;
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cmdline[0] = 0;
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simc_argv((void *)argv);
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for (i = 1; i < argc; ++i) {
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if (i > 1)
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strcat(cmdline, " ");
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strcat(cmdline, argv[i]);
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}
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*p_cmdline = cmdline;
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}
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}
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atomic_notifier_chain_register(&panic_notifier_list, &iss_panic_block);
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}
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