diff options
Diffstat (limited to 'roms/u-boot/lib/asm-offsets.c')
-rw-r--r-- | roms/u-boot/lib/asm-offsets.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/roms/u-boot/lib/asm-offsets.c b/roms/u-boot/lib/asm-offsets.c new file mode 100644 index 000000000..c69106633 --- /dev/null +++ b/roms/u-boot/lib/asm-offsets.c @@ -0,0 +1,47 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c + * + * This program is used to generate definitions needed by + * assembly language modules. + * + * We use the technique used in the OSF Mach kernel code: + * generate asm statements containing #defines, + * compile this file to assembler, and then extract the + * #defines from the assembly-language output. + */ + +#include <common.h> +#include <asm-offsets.h> +#include <asm/global_data.h> + +#include <linux/kbuild.h> + +int main(void) +{ + /* Round up to make sure size gives nice stack alignment */ + DEFINE(GENERATED_GBL_DATA_SIZE, + (sizeof(struct global_data) + 15) & ~15); + + DEFINE(GENERATED_BD_INFO_SIZE, + (sizeof(struct bd_info) + 15) & ~15); + + DEFINE(GD_SIZE, sizeof(struct global_data)); + + DEFINE(GD_BD, offsetof(struct global_data, bd)); +#if CONFIG_VAL(SYS_MALLOC_F_LEN) + DEFINE(GD_MALLOC_BASE, offsetof(struct global_data, malloc_base)); +#endif + + DEFINE(GD_RELOCADDR, offsetof(struct global_data, relocaddr)); + + DEFINE(GD_RELOC_OFF, offsetof(struct global_data, reloc_off)); + + DEFINE(GD_START_ADDR_SP, offsetof(struct global_data, start_addr_sp)); + + DEFINE(GD_NEW_GD, offsetof(struct global_data, new_gd)); + + DEFINE(GD_ENV_ADDR, offsetof(struct global_data, env_addr)); + + return 0; +} |