xref: /OK3568_Linux_fs/u-boot/lib/asm-offsets.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * This program is used to generate definitions needed by
5*4882a593Smuzhiyun  * assembly language modules.
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * We use the technique used in the OSF Mach kernel code:
8*4882a593Smuzhiyun  * generate asm statements containing #defines,
9*4882a593Smuzhiyun  * compile this file to assembler, and then extract the
10*4882a593Smuzhiyun  * #defines from the assembly-language output.
11*4882a593Smuzhiyun  *
12*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
13*4882a593Smuzhiyun  */
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #include <common.h>
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #include <linux/kbuild.h>
18*4882a593Smuzhiyun 
main(void)19*4882a593Smuzhiyun int main(void)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun 	/* Round up to make sure size gives nice stack alignment */
22*4882a593Smuzhiyun 	DEFINE(GENERATED_GBL_DATA_SIZE,
23*4882a593Smuzhiyun 		(sizeof(struct global_data) + 15) & ~15);
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun 	DEFINE(GENERATED_BD_INFO_SIZE,
26*4882a593Smuzhiyun 		(sizeof(struct bd_info) + 15) & ~15);
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun 	DEFINE(GD_SIZE, sizeof(struct global_data));
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun 	DEFINE(GD_BD, offsetof(struct global_data, bd));
31*4882a593Smuzhiyun #if CONFIG_VAL(SYS_MALLOC_F_LEN)
32*4882a593Smuzhiyun 	DEFINE(GD_MALLOC_BASE, offsetof(struct global_data, malloc_base));
33*4882a593Smuzhiyun #endif
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun 	DEFINE(GD_RELOCADDR, offsetof(struct global_data, relocaddr));
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun 	DEFINE(GD_RELOC_OFF, offsetof(struct global_data, reloc_off));
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun 	DEFINE(GD_START_ADDR_SP, offsetof(struct global_data, start_addr_sp));
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun 	DEFINE(PM_CTX_SIZE, sizeof(struct pm_ctx));
42*4882a593Smuzhiyun 	DEFINE(PM_CTX_PHYS, offsetof(struct global_data, pm_ctx_phys));
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun 	DEFINE(GD_NEW_GD, offsetof(struct global_data, new_gd));
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun 	return 0;
47*4882a593Smuzhiyun }
48