示例#1
0
void __init i386_start_kernel(void)
{
	reserve_trampoline_memory();

	reserve_early(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS");

#ifndef CONFIG_XEN
#ifdef CONFIG_BLK_DEV_INITRD
	/* Reserve INITRD */
	if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
		u64 ramdisk_image = boot_params.hdr.ramdisk_image;
		u64 ramdisk_size  = boot_params.hdr.ramdisk_size;
		u64 ramdisk_end   = ramdisk_image + ramdisk_size;
		reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
	}
#endif

	/* Call the subarch specific early setup function */
	switch (boot_params.hdr.hardware_subarch) {
	case X86_SUBARCH_MRST:
		x86_mrst_early_setup();
		break;
	default:
		i386_default_early_setup();
		break;
	}
#else
	{
		int max_cmdline;

		if ((max_cmdline = MAX_GUEST_CMDLINE) > COMMAND_LINE_SIZE)
			max_cmdline = COMMAND_LINE_SIZE;
		memcpy(boot_command_line, xen_start_info->cmd_line, max_cmdline);
		boot_command_line[max_cmdline-1] = '\0';
	}

	i386_default_early_setup();
	xen_start_kernel();
#endif

	/*
	 * At this point everything still needed from the boot loader
	 * or BIOS or kernel text should be early reserved or marked not
	 * RAM in e820. All other memory is free game.
	 */

	start_kernel();
}
示例#2
0
void __init i386_start_kernel(void)
{
	reserve_trampoline_memory();

	reserve_early(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS");

#ifdef CONFIG_BLK_DEV_INITRD
	/* Reserve INITRD */
	if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
		u64 ramdisk_image = boot_params.hdr.ramdisk_image;
		u64 ramdisk_size  = boot_params.hdr.ramdisk_size;
		u64 ramdisk_end   = ramdisk_image + ramdisk_size;
		reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
	}
#endif

	/* Call the subarch specific early setup function */
	switch (boot_params.hdr.hardware_subarch) {
	case X86_SUBARCH_MRST:
		x86_mrst_early_setup();
		break;
	default:
		i386_default_early_setup();
		break;
	}

	/*
	 * At this point everything still needed from the boot loader
	 * or BIOS or kernel text should be early reserved or marked not
	 * RAM in e820. All other memory is free game.
	 */

	start_kernel();
}
示例#3
0
void __init i386_start_kernel(void)
{
	sanitize_boot_params(&boot_params);

	/* Call the subarch specific early setup function */
	switch (boot_params.hdr.hardware_subarch) {
	case X86_SUBARCH_MRST:
		x86_mrst_early_setup();
		break;
	case X86_SUBARCH_CE4100:
		x86_ce4100_early_setup();
		break;
	default:
		i386_default_early_setup();
		break;
	}

	start_kernel();
}
示例#4
0
void __init i386_start_kernel(void)
{
#ifdef CONFIG_X86_TRAMPOLINE
	/*
	 * But first pinch a few for the stack/trampoline stuff
	 * FIXME: Don't need the extra page at 4K, but need to fix
	 * trampoline before removing it. (see the GDT stuff)
	 */
	reserve_early_overlap_ok(PAGE_SIZE, PAGE_SIZE + PAGE_SIZE,
					 "EX TRAMPOLINE");
#endif

	reserve_early(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS");

#ifdef CONFIG_BLK_DEV_INITRD
	/* Reserve INITRD */
	if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
		/* Assume only end is not page aligned */
		u64 ramdisk_image = boot_params.hdr.ramdisk_image;
		u64 ramdisk_size  = boot_params.hdr.ramdisk_size;
		u64 ramdisk_end   = PAGE_ALIGN(ramdisk_image + ramdisk_size);
		reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
	}
#endif

	/* Call the subarch specific early setup function */
	switch (boot_params.hdr.hardware_subarch) {
	case X86_SUBARCH_MRST:
		x86_mrst_early_setup();
		break;
	default:
		i386_default_early_setup();
		break;
	}

	/*
	 * At this point everything still needed from the boot loader
	 * or BIOS or kernel text should be early reserved or marked not
	 * RAM in e820. All other memory is free game.
	 */

	start_kernel();
}
示例#5
0
void __init i386_start_kernel(void)
{
	memblock_init();

	memblock_x86_reserve_range(LOAD_PHYSICAL_ADDR, __pa_symbol(&__bss_stop), "TEXT DATA BSS");

#ifdef CONFIG_BLK_DEV_INITRD
	/* Reserve INITRD */
	if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
		/* Assume only end is not page aligned */
		u64 ramdisk_image = boot_params.hdr.ramdisk_image;
		u64 ramdisk_size  = boot_params.hdr.ramdisk_size;
		u64 ramdisk_end   = PAGE_ALIGN(ramdisk_image + ramdisk_size);
		memblock_x86_reserve_range(ramdisk_image, ramdisk_end, "RAMDISK");
	}
#endif

	/* Call the subarch specific early setup function */
	switch (boot_params.hdr.hardware_subarch) {
	case X86_SUBARCH_MRST:
		x86_mrst_early_setup();
		break;
	case X86_SUBARCH_CE4100:
		x86_ce4100_early_setup();
		break;
	default:
		i386_default_early_setup();
		break;
	}

	/*
	 * At this point everything still needed from the boot loader
	 * or BIOS or kernel text should be early reserved or marked not
	 * RAM in e820. All other memory is free game.
	 */

	start_kernel();
}