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