1 /* 2 * Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c 3 * 4 * This program is used to generate definitions needed by 5 * assembly language modules. 6 * 7 * We use the technique used in the OSF Mach kernel code: 8 * generate asm statements containing #defines, 9 * compile this file to assembler, and then extract the 10 * #defines from the assembly-language output. 11 * 12 * This program is free software; you can redistribute it and/or 13 * modify it under the terms of the GNU General Public License 14 * as published by the Free Software Foundation; either version 15 * 2 of the License, or (at your option) any later version. 16 */ 17 18 #include <common.h> 19 20 #include <linux/kbuild.h> 21 22 int main(void) 23 { 24 /* Round up to make sure size gives nice stack alignment */ 25 DEFINE(GENERATED_GBL_DATA_SIZE, 26 (sizeof(struct global_data) + 15) & ~15); 27 28 DEFINE(GENERATED_BD_INFO_SIZE, 29 (sizeof(struct bd_info) + 15) & ~15); 30 31 DEFINE(GD_SIZE, sizeof(struct global_data)); 32 33 DEFINE(GD_BD, offsetof(struct global_data, bd)); 34 35 #if defined(CONFIG_ARM) 36 37 DEFINE(GD_RELOCADDR, offsetof(struct global_data, relocaddr)); 38 39 DEFINE(GD_RELOC_OFF, offsetof(struct global_data, reloc_off)); 40 41 DEFINE(GD_START_ADDR_SP, offsetof(struct global_data, start_addr_sp)); 42 43 #endif 44 45 return 0; 46 } 47