xref: /linux/include/linux/initrd.h (revision 9a6b55ac)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 #define INITRD_MINOR 250 /* shouldn't collide with /dev/ram* too soon ... */
4 
5 /* 1 = load ramdisk, 0 = don't load */
6 extern int rd_doload;
7 
8 /* 1 = prompt for ramdisk, 0 = don't prompt */
9 extern int rd_prompt;
10 
11 /* starting block # of image */
12 extern int rd_image_start;
13 
14 /* size of a single RAM disk */
15 extern unsigned long rd_size;
16 
17 /* 1 if it is not an error if initrd_start < memory_start */
18 extern int initrd_below_start_ok;
19 
20 /* free_initrd_mem always gets called with the next two as arguments.. */
21 extern unsigned long initrd_start, initrd_end;
22 extern void free_initrd_mem(unsigned long, unsigned long);
23 
24 extern phys_addr_t phys_initrd_start;
25 extern unsigned long phys_initrd_size;
26 
27 extern unsigned int real_root_dev;
28 
29 extern char __initramfs_start[];
30 extern unsigned long __initramfs_size;
31 
32 void console_on_rootfs(void);
33