diff options
Diffstat (limited to 'util/sconfig')
| -rw-r--r-- | util/sconfig/main.c | 55 |
1 files changed, 32 insertions, 23 deletions
diff --git a/util/sconfig/main.c b/util/sconfig/main.c index 2a7fa15faf..b293c5d08a 100644 --- a/util/sconfig/main.c +++ b/util/sconfig/main.c @@ -20,6 +20,7 @@ extern int linenum; +/* Maintains list of all the unique chip structures for the board. */ static struct chip chip_header; /* @@ -43,8 +44,8 @@ typedef enum { * * * +------------------------+ +----------------------+ - * | | | Mainboard | - * +---------+ Root device (root_dev) +--------------->+ instance + + * | Root device | | Mainboard | + * +---------+ (base_root_dev) +--------------->+ instance + * | | | chip_instance | (mainboard_instance)| * | +------------------------+ | | * | | +----------------------+ @@ -52,7 +53,7 @@ typedef enum { * | parent v | * | +-------------------+ | * | | Root bus | | - * +----------->+ (root_bus) | | + * +----------->+ (base_root_bus) | | * | | | * +-------------------+ | * | | @@ -74,23 +75,23 @@ typedef enum { * * */ -static struct device root_dev; +static struct device base_root_dev; static struct chip_instance mainboard_instance; -static struct bus root_bus = { +static struct bus base_root_bus = { .id = 0, - .dev = &root_dev, + .dev = &base_root_dev, }; -static struct device root_dev = { +static struct device base_root_dev = { .name = "dev_root", .id = 0, .chip_instance = &mainboard_instance, .path = " .type = DEVICE_PATH_ROOT ", .ops = "&default_dev_ops_root", - .parent = &root_bus, + .parent = &base_root_bus, .enabled = 1, - .bus = &root_bus, + .bus = &base_root_bus, }; static struct chip mainboard_chip = { @@ -105,7 +106,7 @@ static struct chip_instance mainboard_instance = { }; /* This is the parent of all devices added by parsing the devicetree file. */ -struct bus *root_parent = &root_bus; +struct bus *root_parent; struct queue_entry { void *data; @@ -581,7 +582,7 @@ static int dev_has_children(struct device *dev) static void pass0(FILE *fil, struct device *ptr, struct device *next) { - if (ptr == &root_dev) { + if (ptr == &base_root_dev) { fprintf(fil, "DEVTREE_CONST struct bus %s_links[];\n", ptr->name); return; @@ -670,7 +671,7 @@ static void pass1(FILE *fil, struct device *ptr, struct device *next) struct chip_instance *chip_ins = ptr->chip_instance; int has_children = dev_has_children(ptr); - if (ptr != &root_dev) + if (ptr != &base_root_dev) fprintf(fil, "static "); fprintf(fil, "DEVTREE_CONST struct device %s = {\n", ptr->name); fprintf(fil, "#if !DEVTREE_EARLY\n"); @@ -867,15 +868,9 @@ enum { #define ARG_COUNT 3 -int main(int argc, char **argv) +static void parse_devicetree(const char *file, struct bus *parent) { - if (argc != ARG_COUNT) - usage(); - - char *devtree = argv[DEVICEFILE_ARG]; - char *outputc = argv[OUTPUTFILE_ARG]; - - FILE *filec = fopen(devtree, "r"); + FILE *filec = fopen(file, "r"); if (!filec) { perror(NULL); exit(1); @@ -883,9 +878,23 @@ int main(int argc, char **argv) yyrestart(filec); + root_parent = parent; + linenum = 0; + yyparse(); fclose(filec); +} + +int main(int argc, char **argv) +{ + if (argc != ARG_COUNT) + usage(); + + char *base_devtree = argv[DEVICEFILE_ARG]; + char *outputc = argv[OUTPUTFILE_ARG]; + + parse_devicetree(base_devtree, &base_root_bus); FILE *autogen = fopen(outputc, "w"); if (!autogen) { @@ -897,11 +906,11 @@ int main(int argc, char **argv) emit_chips(autogen); - walk_device_tree(autogen, &root_dev, inherit_subsystem_ids); + walk_device_tree(autogen, &base_root_dev, inherit_subsystem_ids); fprintf(autogen, "\n/* pass 0 */\n"); - walk_device_tree(autogen, &root_dev, pass0); + walk_device_tree(autogen, &base_root_dev, pass0); fprintf(autogen, "\n/* pass 1 */\n"); - walk_device_tree(autogen, &root_dev, pass1); + walk_device_tree(autogen, &base_root_dev, pass1); fclose(autogen); |