C++ (Cpp) walk_device_tree Examples

Example #1

File: main.c Project: B-Rich/coreboot

int main(int argc, char** argv) {
	if (argc < 3)
		usage();

	char *mainboard=argv[1];
	char *outputdir=argv[2];
	char *devtree=malloc(strlen(mainboard)+30);
	sprintf(devtree, "src/mainboard/%s/devicetree.cb", mainboard);
	char *outputc;

	if (argc == 3) {
		scan_mode = STATIC_MODE;
		outputc=malloc(strlen(outputdir)+20);
		sprintf(outputc, "%s/static.c", outputdir);
	} else if ((argc == 5) && (argv[3][0] == '-') && (argv[3][2] == 0)) {

		switch (argv[3][1]) {
		case 's':
			scan_mode = STATIC_MODE;
			break;
		case 'b':
			scan_mode = BOOTBLOCK_MODE;
			break;
		case 'k':
			scan_mode = KCONFIG_MODE;
			break;
		default:
			usage();
			break;
		}
		char *outputfile=argv[4];

		outputc=malloc(strlen(outputdir)+strlen(outputfile)+2);
		sprintf(outputc, "%s/%s", outputdir, outputfile);
	}

	headers.next = 0;
#ifdef MAINBOARDS_HAVE_CHIP_H
	if (scan_mode == STATIC_MODE) {
		headers.next = malloc(sizeof(struct header));
		headers.next->name = malloc(strlen(mainboard)+12);
		headers.next->next = 0;
		sprintf(headers.next->name, "mainboard/%s", mainboard);
	}
#endif

	FILE *filec = fopen(devtree, "r");
	if (!filec) {
		fprintf(stderr, "Could not open file '%s' for reading: ", devtree);
		perror(NULL);
		exit(1);
	}

	yyrestart(filec);

	lastdev = head = &root;

	yyparse();

	fclose(filec);

	if ((head->type == chip) && (!head->chiph_exists)) {
		struct device *tmp = head;
		head = &root;
		while (head->next != tmp) head = head->next;
	}

	FILE *autogen = fopen(outputc, "w");
	if (!autogen) {
		fprintf(stderr, "Could not open file '%s' for writing: ", outputc);
		perror(NULL);
		exit(1);
	}

	struct header *h;
	if (scan_mode == STATIC_MODE) {

		fprintf(autogen, "#include <device/device.h>\n");
		fprintf(autogen, "#include <device/pci.h>\n");
		h = &headers;
		while (h->next) {
			h = h->next;
			if (h->chiph_exists)
				fprintf(autogen, "#include \"%s/chip.h\"\n", h->name);
		}
		fprintf(autogen, "\n#ifndef __PRE_RAM__\n");
		fprintf(autogen, "__attribute__((weak)) struct chip_operations mainboard_ops = {};\n");
		h = &headers;
		while (h->next) {
			h = h->next;
			char *name_underscore = translate_name(h->name, UNSLASH);
			fprintf(autogen, "__attribute__((weak)) struct chip_operations %s_ops = {};\n", name_underscore);
			free(name_underscore);
		}
		fprintf(autogen, "#endif\n");

		walk_device_tree(autogen, &root, inherit_subsystem_ids, NULL);
		fprintf(autogen, "\n/* pass 0 */\n");
		walk_device_tree(autogen, &root, pass0, NULL);
		fprintf(autogen, "\n/* pass 1 */\n"
			    "ROMSTAGE_CONST struct device * ROMSTAGE_CONST last_dev = &%s;\n", lastdev->name);
#ifdef MAINBOARDS_HAVE_CHIP_H
		fprintf(autogen, "static ROMSTAGE_CONST struct mainboard_config ROMSTAGE_CONST mainboard_info_0;\n");
#endif
		walk_device_tree(autogen, &root, pass1, NULL);

	} else if (scan_mode == BOOTBLOCK_MODE) {
		h = &headers;
		while (h->next) {
			h = h->next;
			fprintf(autogen, "#include \"%s/bootblock.c\"\n", h->name);
		}

		fprintf(autogen, "\n#if CONFIG_HAS_MAINBOARD_BOOTBLOCK\n");
		fprintf(autogen, "#include \"mainboard/%s/bootblock.c\"\n", mainboard);
		fprintf(autogen, "#else\n");
		fprintf(autogen, "static unsigned long init_mainboard(int bsp_cpu)\n{\n");
		fprintf(autogen, "\tif (! bsp_cpu) return 0;\n");
		h = &headers;
		while (h->next) {
			h = h->next;
			char * buf = translate_name(h->name, UNSLASH);
			if (buf) {
				fprintf(autogen, "\tinit_%s();\n", buf);
				free(buf);
			}
		}

		fprintf(autogen, "\treturn 0;\n}\n");
		fprintf(autogen, "#endif\n");

	} else if (scan_mode == KCONFIG_MODE) {
		fprintf(autogen, "\nconfig MAINBOARD_DIR\n\tstring\n");
		fprintf(autogen, "\tdefault %s\n", mainboard);

		fprintf(autogen, "\nconfig MAINBOARD_DEVTREE\n\tdef_bool y\n");
		h = &headers;
		while (h->next) {
			h = h->next;
			char * buf = translate_name(h->name, TO_UPPER);
			if (buf) {
				fprintf(autogen, "\tselect %s\n", buf);
				free(buf);
			}
		}
	}

	fclose(autogen);

	return 0;
}

Example #2

File: main.c Project: siro20/coreboot

int main(int argc, char **argv)
{
	if (argc != ARG_COUNT)
		usage();

	char *devtree = argv[DEVICEFILE_ARG];
	char *outputc = argv[OUTPUTFILE_ARG];

	headers.next = 0;

	FILE *filec = fopen(devtree, "r");
	if (!filec) {
		perror(NULL);
		exit(1);
	}

	yyrestart(filec);

	lastdev = head = &root;

	yyparse();

	fclose(filec);

	if ((head->type == chip) && (!head->chiph_exists)) {
		struct device *tmp = head;
		head = &root;
		while (head->next != tmp)
			head = head->next;
	}

	FILE *autogen = fopen(outputc, "w");
	if (!autogen) {
		fprintf(stderr, "Could not open file '%s' for writing: ",
			outputc);
		perror(NULL);
		exit(1);
	}

	struct header *h;
	fprintf(autogen, "#include <device/device.h>\n");
	fprintf(autogen, "#include <device/pci.h>\n");
	h = &headers;
	while (h->next) {
		h = h->next;
		if (h->chiph_exists)
			fprintf(autogen, "#include \"%s/chip.h\"\n", h->name);
	}
	fprintf(autogen, "\n#ifndef __PRE_RAM__\n");
	fprintf(autogen,
		"__attribute__((weak)) struct chip_operations mainboard_ops = {};\n");
	h = &headers;
	while (h->next) {
		h = h->next;
		char *name_underscore = translate_name(h->name, UNSLASH);
		fprintf(autogen,
			"__attribute__((weak)) struct chip_operations %s_ops = {};\n",
			name_underscore);
		free(name_underscore);
	}
	fprintf(autogen, "#endif\n");

	walk_device_tree(autogen, &root, inherit_subsystem_ids, NULL);
	fprintf(autogen, "\n/* pass 0 */\n");
	walk_device_tree(autogen, &root, pass0, NULL);
	fprintf(autogen, "\n/* pass 1 */\n"
		"ROMSTAGE_CONST struct device * ROMSTAGE_CONST last_dev = &%s;\n",
		lastdev->name);
	walk_device_tree(autogen, &root, pass1, NULL);

	fclose(autogen);

	return 0;
}