33  * relative to setup_base (which is 0x90000 currently)
35  *	0x0000-0x7FFF	Real mode kernel
36  *	0x8000-0x8FFF	Stack and heap
37  *	0x9000-0x90FF	Kernel command line
39 #define DEFAULT_SETUP_BASE	0x90000
40 #define COMMAND_LINE_OFFSET	0x9000
41 #define HEAP_END_OFFSET		0x8e00
49 	command_line[0] = '\0';  in build_command_line()
76 			"(found 0x%04x, expected 0x%04x)\n",  in kernel_magic_ok()
78 		return 0;  in kernel_magic_ok()
93 		return 0x0100;  in get_boot_protocol()
112 		return 0;  in load_zimage()
115 	if (0 == hdr->setup_sects) {  in load_zimage()
116 		printf("Setup Sectors = 0 (defaulting to 4)\n");  in load_zimage()
122 	printf("Setup Size = 0x%8.8lx\n", (ulong)setup_size);  in load_zimage()
131 	       (bootproto & 0xff00) >> 8, bootproto & 0xff);  in load_zimage()
133 	if (bootproto >= 0x0200) {  in load_zimage()
137 				hdr->kernel_version + 0x200);  in load_zimage()
145 	big_image = (bootproto >= 0x0200) &&  in load_zimage()
154 	printf("Building boot_params at 0x%8.8lx\n", (ulong)setup_base);  in load_zimage()
155 	memset(setup_base, 0, sizeof(*setup_base));  in load_zimage()
158 	if (bootproto >= 0x0204)  in load_zimage()
163 	if (bootproto == 0x0100) {  in load_zimage()
166 		 * loaded at 0x90000  in load_zimage()
168 		if ((ulong)setup_base != 0x90000) {  in load_zimage()
170 			memmove((void *)0x90000, setup_base, setup_size);  in load_zimage()
173 			memmove((void *)0x99000,  in load_zimage()
178 			setup_base = (struct boot_params *)0x90000;  in load_zimage()
182 		memset((u8 *)0x90000 + setup_size, 0,  in load_zimage()
191 			return 0;  in load_zimage()
196 		return 0;  in load_zimage()
216 	if (bootproto == 0x0100) {  in setup_zimage()
220 	if (bootproto >= 0x0200) {  in setup_zimage()
225 			       "0x%08lx, size %ld bytes\n",  in setup_zimage()
233 	if (bootproto >= 0x0201) {  in setup_zimage()
239 		if (bootproto >= 0x0202) {  in setup_zimage()
241 		} else if (bootproto >= 0x0200) {  in setup_zimage()
246 			hdr->setup_move_size = 0x9100;  in setup_zimage()
259 	return 0;  in setup_zimage()
275 	ulong bzImage_size = 0;  in do_zboot()
276 	ulong initrd_addr = 0;  in do_zboot()
277 	ulong initrd_size = 0;  in do_zboot()
312 			0, initrd_addr, initrd_size)) {  in do_zboot()
322 	zboot, 5, 0,	do_zboot,