C++ (Cpp) kexec_reinit Examples

Example #1

File: machine_kexec.c Project: 0TK0/muZic_kernel_ivoryss

void machine_kexec(struct kimage *image)
{
	unsigned long page_list;
	unsigned long reboot_code_buffer_phys;
	void *reboot_code_buffer;


	page_list = image->head & PAGE_MASK;

	/* we need both effective and real address here */
	reboot_code_buffer_phys =
	    page_to_pfn(image->control_code_page) << PAGE_SHIFT;
	reboot_code_buffer = page_address(image->control_code_page);

	/* Prepare parameters for reboot_code_buffer*/
	kexec_start_address = image->start;
	kexec_indirection_page = page_list;
	kexec_mach_type = machine_arch_type;
	kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;

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


	flush_icache_range((unsigned long) reboot_code_buffer,
			   (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
	printk(KERN_INFO "Bye!\n");

	if (kexec_reinit)
		kexec_reinit();

	arm_machine_reset(reboot_code_buffer_phys);
}

Example #2

File: machine_kexec.c Project: Clumsy-Kernel-Development/M8_Kernel

void machine_kexec(struct kimage *image)
{
	unsigned long page_list;
	unsigned long reboot_code_buffer_phys;
	void *reboot_code_buffer;

	arch_kexec();

	page_list = image->head & PAGE_MASK;

	/* we need both effective and real address here */
	reboot_code_buffer_phys =
	    page_to_pfn(image->control_code_page) << PAGE_SHIFT;
	reboot_code_buffer = page_address(image->control_code_page);

	/* Prepare parameters for reboot_code_buffer*/

#ifdef CONFIG_KEXEC_HARDBOOT
	mem_text_write_kernel_word(&kexec_start_address, image->start);
	mem_text_write_kernel_word(&kexec_indirection_page, page_list);
	mem_text_write_kernel_word(&kexec_mach_type, machine_arch_type);
	if (!kexec_boot_atags)
		mem_text_write_kernel_word(&kexec_boot_atags, image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET);
	mem_text_write_kernel_word(&kexec_hardboot, image->hardboot);
#else

	kexec_start_address = image->start;
	kexec_indirection_page = page_list;
	kexec_mach_type = machine_arch_type;
	kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
#endif

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


	flush_icache_range((unsigned long) reboot_code_buffer,
			   (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
	printk(KERN_INFO "Bye!\n");

	if (kexec_reinit)
		kexec_reinit();

#ifdef CONFIG_KEXEC_HARDBOOT
	/* Run any final machine-specific shutdown code. */
	if (image->hardboot && kexec_hardboot_hook)
		kexec_hardboot_hook();
#endif

	soft_restart(reboot_code_buffer_phys);
}

Example #3

File: machine_kexec.c Project: invisiblek/android_kernel_samsung_jaspervzw

void machine_kexec(struct kimage *image)
{
	unsigned long page_list;
	unsigned long reboot_code_buffer_phys;
	void *reboot_code_buffer;

	arch_kexec();

	page_list = image->head & PAGE_MASK;

	/* we need both effective and real address here */
	reboot_code_buffer_phys =
	    page_to_pfn(image->control_code_page) << PAGE_SHIFT;
	reboot_code_buffer = page_address(image->control_code_page);

	/* Prepare parameters for reboot_code_buffer*/
	mem_text_write_kernel_word(&kexec_start_address, image->start);
	mem_text_write_kernel_word(&kexec_indirection_page, page_list);
	mem_text_write_kernel_word(&kexec_mach_type, machine_arch_type);
	mem_text_write_kernel_word(&kexec_boot_atags, image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET);

#ifdef CONFIG_KEXEC_HARDBOOT
	mem_text_write_kernel_word(&kexec_hardboot, image->hardboot);
#endif

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


	flush_icache_range((unsigned long) reboot_code_buffer,
			   (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
	printk(KERN_INFO "Bye!\n");

	if (kexec_reinit)
		kexec_reinit();
	local_irq_disable();
	local_fiq_disable();
	setup_mm_for_reboot(0); /* mode is not used, so just pass 0*/
#ifdef CONFIG_KEXEC_HARDBOOT
	if (image->hardboot && kexec_hardboot_hook)
		/* Run any final machine-specific shutdown code. */
		kexec_hardboot_hook();
#endif
	flush_cache_all();
	outer_flush_all();
	outer_disable();
	cpu_proc_fin();
	outer_inv_all();
	flush_cache_all();
	__virt_to_phys(cpu_reset)(reboot_code_buffer_phys);
}

Example #4

File: machine_kexec.c Project: tigartist/Vindicator

void machine_kexec(struct kimage *image)
{
    unsigned long page_list;
    unsigned long reboot_code_buffer_phys;
    unsigned long reboot_entry = (unsigned long)relocate_new_kernel;
    unsigned long reboot_entry_phys;
    void *reboot_code_buffer;

    if (num_online_cpus() > 1) {
        pr_err("kexec: error: multiple CPUs still online\n");
        return;
    }

    page_list = image->head & PAGE_MASK;

    /* we need both effective and real address here */
    reboot_code_buffer_phys =
        page_to_pfn(image->control_code_page) << PAGE_SHIFT;
    reboot_code_buffer = page_address(image->control_code_page);

    /* Prepare parameters for reboot_code_buffer*/
    mem_text_write_kernel_word(&kexec_start_address, image->start);
    mem_text_write_kernel_word(&kexec_indirection_page, page_list);
    mem_text_write_kernel_word(&kexec_mach_type, machine_arch_type);
    if (!kexec_boot_atags)
        mem_text_write_kernel_word(&kexec_boot_atags, image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET);
#ifdef CONFIG_KEXEC_HARDBOOT
    mem_text_write_kernel_word(&kexec_hardboot, image->hardboot);
#endif

    /* copy our kernel relocation code to the control code page */
    reboot_entry = fncpy(reboot_code_buffer,
                         reboot_entry,
                         relocate_new_kernel_size);
    reboot_entry_phys = (unsigned long)reboot_entry +
                        (reboot_code_buffer_phys - (unsigned long)reboot_code_buffer);

    printk(KERN_INFO "Bye!\n");

    if (kexec_reinit)
        kexec_reinit();

#ifdef CONFIG_KEXEC_HARDBOOT
    /* Run any final machine-specific shutdown code. */
    if (image->hardboot && kexec_hardboot_hook)
        kexec_hardboot_hook();
#endif

    soft_restart(reboot_code_buffer_phys);
}

Example #5

File: machine_kexec.c Project: gingerboy92/ph85-p880-kernel-project

void machine_kexec(struct kimage *image)
{
	unsigned long page_list;
	unsigned long reboot_code_buffer_phys;
	void *reboot_code_buffer;

	if (num_online_cpus() > 1) {
		pr_err("kexec: error: multiple CPUs still online\n");
		return;
	}

	page_list = image->head & PAGE_MASK;

	/* we need both effective and real address here */
	reboot_code_buffer_phys =
	    page_to_pfn(image->control_code_page) << PAGE_SHIFT;
	reboot_code_buffer = page_address(image->control_code_page);

	/* Prepare parameters for reboot_code_buffer*/
	kexec_start_address = image->start;
	kexec_indirection_page = page_list;
	kexec_mach_type = machine_arch_type;
	kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;

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


	flush_icache_range((unsigned long) reboot_code_buffer,
			   (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
	printk(KERN_INFO "Bye!\n");

	if (kexec_reinit)
		kexec_reinit();
	local_irq_disable();
	local_fiq_disable();
	setup_mm_for_reboot(0); /* mode is not used, so just pass 0*/
	flush_cache_all();
	outer_flush_all();
	outer_disable();
	cpu_proc_fin();
	outer_inv_all();
	flush_cache_all();
	cpu_reset(reboot_code_buffer_phys);
}

Example #6

File: machine_kexec.c Project: HUANG-YI-CHEN/linux-xlnx

void machine_kexec(struct kimage *image)
{
	unsigned long page_list;
	unsigned long reboot_code_buffer_phys;
	unsigned long reboot_entry = (unsigned long)relocate_new_kernel;
	unsigned long reboot_entry_phys;
	void *reboot_code_buffer;

	/*
	 * This can only happen if machine_shutdown() failed to disable some
	 * CPU, and that can only happen if the checks in
	 * machine_kexec_prepare() were not correct. If this fails, we can't
	 * reliably kexec anyway, so BUG_ON is appropriate.
	 */
	BUG_ON(num_online_cpus() > 1);

	page_list = image->head & PAGE_MASK;

	/* we need both effective and real address here */
	reboot_code_buffer_phys =
	    page_to_pfn(image->control_code_page) << PAGE_SHIFT;
	reboot_code_buffer = page_address(image->control_code_page);

	/* Prepare parameters for reboot_code_buffer*/
	set_kernel_text_rw();
	kexec_start_address = image->start;
	kexec_indirection_page = page_list;
	kexec_mach_type = machine_arch_type;
	kexec_boot_atags = dt_mem ?: image->start - KEXEC_ARM_ZIMAGE_OFFSET
				     + KEXEC_ARM_ATAGS_OFFSET;

	/* copy our kernel relocation code to the control code page */
	reboot_entry = fncpy(reboot_code_buffer,
			     reboot_entry,
			     relocate_new_kernel_size);
	reboot_entry_phys = (unsigned long)reboot_entry +
		(reboot_code_buffer_phys - (unsigned long)reboot_code_buffer);

	pr_info("Bye!\n");

	if (kexec_reinit)
		kexec_reinit();

	soft_restart(reboot_entry_phys);
}

Example #7

File: machine_kexec.c Project: SuperPichu/shield-tablet-kernel

void machine_kexec(struct kimage *image)
{
	unsigned long page_list;
	unsigned long reboot_code_buffer_phys;
	void *reboot_code_buffer;

	if (num_online_cpus() > 1) {
		pr_err("kexec: error: multiple CPUs still online\n");
		return;
	}

	page_list = image->head & PAGE_MASK;

	/* we need both effective and real address here */
	reboot_code_buffer_phys =
	    page_to_pfn(image->control_code_page) << PAGE_SHIFT;
	reboot_code_buffer = page_address(image->control_code_page);

	/* Prepare parameters for reboot_code_buffer*/
	kexec_start_address = image->start;
	kexec_indirection_page = page_list;
	kexec_mach_type = machine_arch_type;
	if (!kexec_boot_atags)
		kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
#ifdef CONFIG_KEXEC_HARDBOOT
	kexec_hardboot = image->hardboot;
#endif

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


	flush_icache_range((unsigned long) reboot_code_buffer,
			   (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
	printk(KERN_INFO "Bye!\n");

	if (kexec_reinit)
		kexec_reinit();

	soft_restart(reboot_code_buffer_phys);
}