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# Copyright (C) 2006-2013 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

mainmenu "OpenWrt Configuration"

config MODULES
	option modules
	bool
	default y

config HAVE_DOT_CONFIG
	bool
	default y

source "target/Config.in"

source "config/Config-images.in"

source "config/Config-build.in"

source "config/Config-devel.in"

source "toolchain/Config.in"

source "target/imagebuilder/Config.in"

source "target/sdk/Config.in"

source "target/toolchain/Config.in"

source "tmp/.config-package.in"
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-09 00:08:33 +0000
/ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
/*
 * machine_kexec.c - handle transition of Linux booting another kernel
 * Copyright (C) 2002-2003 Eric Biederman  <ebiederm@xmission.com>
 *
 * GameCube/ppc32 port Copyright (C) 2004 Albert Herranz
 * LANDISK/sh4 supported by kogiidena
 *
 * This source code is licensed under the GNU General Public License,
 * Version 2.  See the file COPYING for more details.
 */
#include <linux/mm.h>
#include <linux/kexec.h>
#include <linux/delay.h>
#include <linux/reboot.h>
#include <linux/numa.h>
#include <linux/ftrace.h>
#include <linux/suspend.h>
#include <linux/memblock.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
#include <asm/mmu_context.h>
#include <asm/io.h>
#include <asm/cacheflush.h>
#include <asm/sh_bios.h>
#include <asm/reboot.h>

typedef void (*relocate_new_kernel_t)(unsigned long indirection_page,
				      unsigned long reboot_code_buffer,
				      unsigned long start_address);

extern const unsigned char relocate_new_kernel[];
extern const unsigned int relocate_new_kernel_size;
extern void *vbr_base;

void native_machine_crash_shutdown(struct pt_regs *regs)
{
	/* Nothing to do for UP, but definitely broken for SMP.. */
}

/*
 * Do what every setup is needed on image and the
 * reboot code buffer to allow us to avoid allocations
 * later.
 */
int machine_kexec_prepare(struct kimage *image)
{
	return 0;
}

void machine_kexec_cleanup(struct kimage *image)
{
}

static void kexec_info(struct kimage *image)
{
        int i;
	printk("kexec information\n");
	for (i = 0; i < image->nr_segments; i++) {
	        printk("  segment[%d]: 0x%08x - 0x%08x (0x%08x)\n",
		       i,
		       (unsigned int)image->segment[i].mem,
		       (unsigned int)image->segment[i].mem +
				     image->segment[i].memsz,
		       (unsigned int)image->segment[i].memsz);
	}
	printk("  start     : 0x%08x\n\n", (unsigned int)image->start);
}

/*
 * Do not allocate memory (or fail in any way) in machine_kexec().
 * We are past the point of no return, committed to rebooting now.
 */
void machine_kexec(struct kimage *image)
{
	unsigned long page_list;
	unsigned long reboot_code_buffer;
	relocate_new_kernel_t rnk;
	unsigned long entry;
	unsigned long *ptr;
	int save_ftrace_enabled;

	/*
	 * Nicked from the mips version of machine_kexec():
	 * The generic kexec code builds a page list with physical
	 * addresses. Use phys_to_virt() to convert them to virtual.
	 */
	for (ptr = &image->head; (entry = *ptr) && !(entry & IND_DONE);
	     ptr = (entry & IND_INDIRECTION) ?
	       phys_to_virt(entry & PAGE_MASK) : ptr + 1) {
		if (*ptr & IND_SOURCE || *ptr & IND_INDIRECTION ||
		    *ptr & IND_DESTINATION)
			*ptr = (unsigned long) phys_to_virt(*ptr);
	}

#ifdef CONFIG_KEXEC_JUMP
	if (image->preserve_context)
		save_processor_state();
#endif

	save_ftrace_enabled = __ftrace_enabled_save();

	/* Interrupts aren't acceptable while we reboot */
	local_irq_disable();

	page_list = image->head;

	/* we need both effective and real address here */
	reboot_code_buffer =
			(unsigned long)page_address(image->control_code_page);

	/* copy our kernel relocation code to the control code page */
	memcpy((void *)reboot_code_buffer, relocate_new_kernel,
						relocate_new_kernel_size);

	kexec_info(image);
	flush_cache_all();

	sh_bios_vbr_reload();

	/* now call it */
	rnk = (relocate_new_kernel_t) reboot_code_buffer;
	(*rnk)(page_list, reboot_code_buffer,
	       (unsigned long)phys_to_virt(image->start));

#ifdef CONFIG_KEXEC_JUMP
	asm volatile("ldc %0, vbr" : : "r" (&vbr_base) : "memory");

	if (image->preserve_context)
		restore_processor_state();

	/* Convert page list back to physical addresses, what a mess. */
	for (ptr = &image->head; (entry = *ptr) && !(entry & IND_DONE);
	     ptr = (*ptr & IND_INDIRECTION) ?
	       phys_to_virt(*ptr & PAGE_MASK) : ptr + 1) {
		if (*ptr & IND_SOURCE || *ptr & IND_INDIRECTION ||
		    *ptr & IND_DESTINATION)
			*ptr = virt_to_phys(*ptr);
	}
#endif

	__ftrace_enabled_restore(save_ftrace_enabled);
}

void arch_crash_save_vmcoreinfo(void)
{
#ifdef CONFIG_NUMA
	VMCOREINFO_SYMBOL(node_data);
	VMCOREINFO_LENGTH(node_data, MAX_NUMNODES);
#endif
#ifdef CONFIG_X2TLB
	VMCOREINFO_CONFIG(X2TLB);
#endif
}

void __init reserve_crashkernel(void)
{
	unsigned long long crash_size, crash_base;
	int ret;

	/* this is necessary because of memblock_phys_mem_size() */
	memblock_analyze();

	ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(),
			&crash_size, &crash_base);
	if (ret == 0 && crash_size > 0) {
		crashk_res.start = crash_base;
		crashk_res.end = crash_base + crash_size - 1;
	}

	if (crashk_res.end == crashk_res.start)
		goto disable;

	crash_size = PAGE_ALIGN(crashk_res.end - crashk_res.start + 1);
	if (!crashk_res.start) {
		unsigned long max = memblock_end_of_DRAM() - memory_limit;
		crashk_res.start = __memblock_alloc_base(crash_size, PAGE_SIZE, max);
		if (!crashk_res.start) {
			pr_err("crashkernel allocation failed\n");
			goto disable;
		}
	} else {
		ret = memblock_reserve(crashk_res.start, crash_size);
		if (unlikely(ret < 0)) {
			pr_err("crashkernel reservation failed - "
			       "memory is in use\n");
			goto disable;
		}
	}

	crashk_res.end = crashk_res.start + crash_size - 1;

	/*
	 * Crash kernel trumps memory limit
	 */
	if ((memblock_end_of_DRAM() - memory_limit) <= crashk_res.end) {
		memory_limit = 0;
		pr_info("Disabled memory limit for crashkernel\n");
	}

	pr_info("Reserving %ldMB of memory at 0x%08lx "
		"for crashkernel (System RAM: %ldMB)\n",
		(unsigned long)(crash_size >> 20),
		(unsigned long)(crashk_res.start),
		(unsigned long)(memblock_phys_mem_size() >> 20));

	return;

disable:
	crashk_res.start = crashk_res.end = 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-09 00:08:33 +0000