C++ (Cpp) rmodule_calc_region 예제들

예제 #1

파일: rmodule.c 프로젝트: AdriDlu/coreboot

int rmodule_stage_load(struct rmod_stage_load *rsl)
{
	struct rmodule rmod_stage;
	size_t region_size;
	char *stage_region;
	int rmodule_offset;
	int load_offset;
	struct cbfs_stage stage;
	void *rmod_loc;
	struct region_device *fh;

	if (rsl->prog == NULL || prog_name(rsl->prog) == NULL)
		return -1;

	fh = prog_rdev(rsl->prog);

	if (rdev_readat(fh, &stage, 0, sizeof(stage)) != sizeof(stage))
		return -1;

	rmodule_offset =
		rmodule_calc_region(DYN_CBMEM_ALIGN_SIZE,
		                    stage.memlen, &region_size, &load_offset);

	stage_region = cbmem_add(rsl->cbmem_id, region_size);

	if (stage_region == NULL)
		return -1;

	rmod_loc = &stage_region[rmodule_offset];

	printk(BIOS_INFO, "Decompressing stage %s @ 0x%p (%d bytes)\n",
	       prog_name(rsl->prog), rmod_loc, stage.memlen);

	if (!cbfs_load_and_decompress(fh, sizeof(stage), stage.len, rmod_loc,
				      stage.memlen, stage.compression))
		return -1;

	if (rmodule_parse(rmod_loc, &rmod_stage))
		return -1;

	if (rmodule_load(&stage_region[load_offset], &rmod_stage))
		return -1;

	prog_set_area(rsl->prog, rmod_stage.location,
			rmodule_memory_size(&rmod_stage));
	prog_set_entry(rsl->prog, rmodule_entry(&rmod_stage), NULL);

	/* Allow caller to pick up parameters, if available. */
	rsl->params = rmodule_parameters(&rmod_stage);

	return 0;
}

예제 #2

파일: rmodule.c 프로젝트: tidatida/coreboot

int rmodule_stage_load(struct rmod_stage_load *rsl, struct cbfs_stage *stage)
{
	struct rmodule rmod_stage;
	size_t region_size;
	char *stage_region;
	int rmodule_offset;
	int load_offset;

	if (stage == NULL || rsl->prog == NULL || rsl->prog->name == NULL)
		return -1;

	rmodule_offset =
		rmodule_calc_region(DYN_CBMEM_ALIGN_SIZE,
		                    stage->memlen, &region_size, &load_offset);

	stage_region = cbmem_add(rsl->cbmem_id, region_size);

	if (stage_region == NULL)
		return -1;

	printk(BIOS_INFO, "Decompressing stage %s @ 0x%p (%d bytes)\n",
	       rsl->prog->name, &stage_region[rmodule_offset], stage->memlen);

	if (!cbfs_decompress(stage->compression, &stage[1],
	                    &stage_region[rmodule_offset], stage->len))
		return -1;

	if (rmodule_parse(&stage_region[rmodule_offset], &rmod_stage))
		return -1;

	if (rmodule_load(&stage_region[load_offset], &rmod_stage))
		return -1;

	prog_set_area(rsl->prog, rmod_stage.location,
			rmodule_memory_size(&rmod_stage));
	prog_set_entry(rsl->prog, rmodule_entry(&rmod_stage), NULL);

	return 0;
}