* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <errno.h>
+#include "sconfig.h"
-enum devtype { chip, device };
+static struct device *cur_parent, *cur_bus;
-struct resource;
-struct resource {
- int type;
- int index;
- int base;
- struct resource *next;
-};
-
-struct reg;
-struct reg {
- char *key;
- char *value;
- struct reg *next;
-};
-
-struct device;
-struct device {
- int id;
- int enabled;
- int used;
- int multidev;
- int link;
- int rescnt;
- int chiph_exists;
- char *ops;
- char *name;
- char *aliased_name;
- char *name_underscore;
- char *path;
- int path_a;
- int path_b;
- int bustype;
- enum devtype type;
- struct device *parent;
- struct device *bus;
- struct device *next;
- struct device *nextdev;
- struct device *children;
- struct device *latestchild;
- struct device *next_sibling;
- struct device *sibling;
- struct device *chip;
- struct resource *res;
- struct reg *reg;
-} *head, *lastdev, *cur_parent, *cur_bus, root;
-
-struct header;
-struct header {
- char *name;
- struct header *next;
-} headers;
-
-int devcount = 0;
-
-struct device *new_dev() {
- struct device *dev = malloc(sizeof(struct device));
- memset(dev, 0, sizeof(struct device));
- dev->id = ++devcount;
- dev->parent = cur_parent;
- dev->bus = cur_bus;
- head->next = dev;
- head = dev;
- return dev;
-}
-
-int device_match(struct device *a, struct device *b) {
- if ((a->bustype == b->bustype) && (a->bus == b->bus) && (a->path_a == b->path_a) && (a->path_b == b->path_b))
- return 1;
- return 0;
-}
-
-void fold_in(struct device *parent) {
- struct device *child = parent->children;
- struct device *latest = 0;
- while (child != latest) {
- if (child->children) {
- if (!latest) latest = child->children;
- parent->latestchild->next_sibling = child->children;
- parent->latestchild = child->latestchild;
- }
- child = child->next_sibling;
- }
-}
-
-int yywrap(void) {
- return 1;
-}
-
-void yyerror (char const *str)
-{
- fprintf (stderr, "%s\n", str);
-}
%}
%union {
struct device *device;
char *string;
int number;
}
-%token CHIP DEVICE REGISTER BOOL BUS RESOURCE END EQUALS HEX STRING PCI PNP I2C APIC APIC_CLUSTER PCI_DOMAIN IRQ DRQ IO NUMBER
-%%
-devtree: devchip {
- root.next_sibling = root.children;
- root.next_sibling->next_sibling = root.next_sibling->children;
-
- struct device *dev = &root;
- while (dev) {
- /* skip "chip" elements in children chain */
- while (dev->children && (dev->children->type == chip)) dev->children = dev->children->children;
- /* skip "chip" elements and functions of the same device in sibling chain */
- while (dev->sibling && dev->sibling->used) dev->sibling = dev->sibling->sibling;
- /* If end of chain, and parent is a chip, move on */
- if (!dev->sibling && (dev->parent->type == chip)) dev->sibling = dev->parent->sibling;
- /* skip chips */
- while (dev->sibling && dev->sibling->type == chip) dev->sibling = dev->sibling->children;
- /* skip duplicate function elements in nextdev chain */
- while (dev->nextdev && dev->nextdev->used) dev->nextdev = dev->nextdev->nextdev;
- dev = dev->next_sibling;
- }
- };
-devchip: chip | device ;
+%token CHIP DEVICE REGISTER BOOL BUS RESOURCE END EQUALS HEX STRING PCI PNP I2C APIC APIC_CLUSTER PCI_DOMAIN IRQ DRQ IO NUMBER SUBSYSTEMID INHERIT
+%%
+devtree: { cur_parent = cur_bus = head; } chip { postprocess_devtree(); } ;
-devices: devices devchip | devices registers | ;
+chipchildren: chipchildren device | chipchildren chip | chipchildren registers | /* empty */ ;
-devicesorresources: devicesorresources devchip | devicesorresources resource | ;
+devicechildren: devicechildren device | devicechildren chip | devicechildren resource | devicechildren subsystemid | /* empty */ ;
chip: CHIP STRING /* == path */ {
- $<device>$ = new_dev();
- $<device>$->chiph_exists = 1;
- $<device>$->name = $<string>2;
- $<device>$->name_underscore = strdup($<device>$->name);
- char *c;
- for (c = $<device>$->name_underscore; *c; c++) {
- if (*c == '/') *c = '_';
- if (*c == '-') *c = '_';
- }
- $<device>$->type = chip;
- $<device>$->chip = $<device>$;
-
- struct stat st;
- char *chip_h = malloc(strlen($<string>2)+12);
- sprintf(chip_h, "src/%s/chip.h", $<string>2);
- if ((stat(chip_h, &st) == -1) && (errno == ENOENT))
- $<device>$->chiph_exists = 0;
-
- if (cur_parent->latestchild) {
- cur_parent->latestchild->next_sibling = $<device>$;
- cur_parent->latestchild->sibling = $<device>$;
- }
- cur_parent->latestchild = $<device>$;
- if (!cur_parent->children)
- cur_parent->children = $<device>$;
-
+ $<device>$ = new_chip(cur_parent, cur_bus, $<string>2);
cur_parent = $<device>$;
}
- devices END {
+ chipchildren END {
cur_parent = $<device>3->parent;
-
fold_in($<device>3);
-
- if ($<device>3->chiph_exists) {
- int include_exists = 0;
- struct header *h = &headers;
- while (h->next) {
- int result = strcmp($<device>3->name, h->next->name);
- if (result == 0) {
- include_exists = 1;
- break;
- }
- if (result < 0) break;
- h = h->next;
- }
- if (!include_exists) {
- struct header *tmp = h->next;
- h->next = malloc(sizeof(struct header));
- memset(h->next, 0, sizeof(struct header));
- h->next->name = $<device>3->name;
- h->next->next = tmp;
- break;
- }
- }
+ add_header($<device>3);
};
device: DEVICE BUS NUMBER /* == devnum */ BOOL {
- $<device>$ = new_dev();
- $<device>$->bustype = $<number>2;
-
- char *tmp;
- $<device>$->path_a = strtol(strdup($<string>3), &tmp, 16);
- if (*tmp == '.') {
- tmp++;
- $<device>$->path_b = strtol(tmp, NULL, 16);
- }
-
- char *name = malloc(10);
- sprintf(name, "_dev%d", $<device>$->id);
- $<device>$->name = name;
- $<device>$->name_underscore = name; // shouldn't be necessary, but avoid 0-ptr
- $<device>$->type = device;
- $<device>$->enabled = $<number>4;
- $<device>$->chip = $<device>$->parent->chip;
-
- if (cur_parent->latestchild) {
- cur_parent->latestchild->next_sibling = $<device>$;
- cur_parent->latestchild->sibling = $<device>$;
- }
- cur_parent->latestchild = $<device>$;
- if (!cur_parent->children)
- cur_parent->children = $<device>$;
-
- lastdev->nextdev = $<device>$;
- lastdev = $<device>$;
- if ($<number>2 == PCI) {
- $<device>$->path = ".type=DEVICE_PATH_PCI,{.pci={ .devfn = PCI_DEVFN(0x%x,%d)}}";
- }
- if ($<number>2 == PNP) {
- $<device>$->path = ".type=DEVICE_PATH_PNP,{.pnp={ .port = 0x%x, .device = 0x%x }}";
- }
- if ($<number>2 == I2C) {
- $<device>$->path = ".type=DEVICE_PATH_I2C,{.i2c={ .device = 0x%x }}";
- }
- if ($<number>2 == APIC) {
- $<device>$->path = ".type=DEVICE_PATH_APIC,{.apic={ .apic_id = 0x%x }}";
- }
- if ($<number>2 == APIC_CLUSTER) {
- $<device>$->path = ".type=DEVICE_PATH_APIC_CLUSTER,{.apic_cluster={ .cluster = 0x%x }}";
- }
- if ($<number>2 == PCI_DOMAIN) {
- $<device>$->path = ".type=DEVICE_PATH_PCI_DOMAIN,{.pci_domain={ .domain = 0x%x }}";
- }
+ $<device>$ = new_device(cur_parent, cur_bus, $<number>2, $<string>3, $<number>4);
cur_parent = $<device>$;
cur_bus = $<device>$;
}
- devicesorresources END {
+ devicechildren END {
cur_parent = $<device>5->parent;
cur_bus = $<device>5->bus;
-
fold_in($<device>5);
-
- struct device *d = $<device>5->children;
- while (d) {
- int link = 0;
- struct device *cmp = d->next_sibling;
- while (cmp && (cmp->bus == d->bus) && (cmp->path_a == d->path_a) && (cmp->path_b == d->path_b)) {
- if (cmp->type==device && !cmp->used) {
- if (device_match(d, cmp)) {
- d->multidev = 1;
-
- cmp->aliased_name = malloc(12);
- sprintf(cmp->aliased_name, "_dev%d", cmp->id);
- cmp->id = d->id;
- cmp->name = d->name;
- cmp->used = 1;
- cmp->link = ++link;
- }
- }
- cmp = cmp->next_sibling;
- }
- d = d->next_sibling;
- }
+ alias_siblings($<device>5->children);
};
resource: RESOURCE NUMBER /* == resnum */ EQUALS NUMBER /* == resval */
- {
- struct resource *r = malloc(sizeof(struct resource));
- memset (r, 0, sizeof(struct resource));
- r->type = $<number>1;
- r->index = strtol($<string>2, NULL, 0);
- r->base = strtol($<string>4, NULL, 0);
- if (cur_parent->res) {
- struct resource *head = cur_parent->res;
- while (head->next) head = head->next;
- head->next = r;
- } else {
- cur_parent->res = r;
- }
- cur_parent->rescnt++;
- }
- ;
+ { add_resource(cur_parent, $<number>1, strtol($<string>2, NULL, 0), strtol($<string>4, NULL, 0)); } ;
registers: REGISTER STRING /* == regname */ EQUALS STRING /* == regval */
- {
- struct reg *r = malloc(sizeof(struct reg));
- memset (r, 0, sizeof(struct reg));
- r->key = $<string>2;
- r->value = $<string>4;
- if (cur_parent->reg) {
- struct reg *head = cur_parent->reg;
- // sorting to be equal to sconfig's behaviour
- int sort = strcmp(r->key, head->key);
- if (sort == 0) {
- printf("ERROR: duplicate 'register' key.\n");
- exit(1);
- }
- if (sort<0) {
- r->next = head;
- cur_parent->reg = r;
- } else {
- while ((head->next) && (strcmp(head->next->key, r->key)<0)) head = head->next;
- r->next = head->next;
- head->next = r;
- }
- } else {
- cur_parent->reg = r;
- }
- }
- ;
-
-%%
-void pass0(FILE *fil, struct device *ptr) {
- if ((ptr->type == device) && (ptr->id != 0) && (!ptr->used))
- fprintf(fil, "struct device %s;\n", ptr->name);
- if ((ptr->type == device) && (ptr->id != 0) && ptr->used)
- fprintf(fil, "struct device %s;\n", ptr->aliased_name);
-}
-
-void pass1(FILE *fil, struct device *ptr) {
- if (!ptr->used && (ptr->type == device)) {
- fprintf(fil, "struct device %s = {\n", ptr->name);
- fprintf(fil, "\t.ops = %s,\n", (ptr->ops)?(ptr->ops):"0");
- fprintf(fil, "\t.bus = &%s.link[%d],\n", ptr->bus->name, ptr->bus->link);
- fprintf(fil, "\t.path = {");
- fprintf(fil, ptr->path, ptr->path_a, ptr->path_b);
- fprintf(fil, "},\n");
- fprintf(fil, "\t.enabled = %d,\n", ptr->enabled);
- fprintf(fil, "\t.on_mainboard = 1,\n");
- if (ptr->rescnt > 0) {
- fprintf(fil, "\t.resources = %d,\n", ptr->rescnt);
- fprintf(fil, "\t.resource = {\n");
- struct resource *r = ptr->res;
- while (r) {
- fprintf(fil, "\t\t{ .flags=IORESOURCE_FIXED | IORESOURCE_ASSIGNED | IORESOURCE_");
- if (r->type == IRQ) fprintf(fil, "IRQ");
- if (r->type == DRQ) fprintf(fil, "DRQ");
- if (r->type == IO) fprintf(fil, "IO");
- fprintf(fil, ", .index=0x%x, .base=0x%x},\n", r->index, r->base);
- r = r->next;
- }
- fprintf(fil, "\t },\n");
- }
- int link = 0;
- fprintf(fil, "\t.link = {\n");
- if (ptr->multidev) {
- struct device *d = ptr;
- while (d) {
- if (device_match(d, ptr)) {
- fprintf(fil, "\t\t[%d] = {\n", d->link);
- fprintf(fil, "\t\t\t.link = %d,\n", d->link);
- fprintf(fil, "\t\t\t.dev = &%s,\n", d->name);
- if (d->children)
- fprintf(fil, "\t\t\t.children = &%s,\n", d->children->name);
- fprintf(fil, "\t\t},\n");
- link++;
- }
- d = d->next_sibling;
- }
- } else {
- if (ptr->children) {
- fprintf(fil, "\t\t[0] = {\n");
- fprintf(fil, "\t\t\t.link = 0,\n");
- fprintf(fil, "\t\t\t.dev = &%s,\n", ptr->name);
- fprintf(fil, "\t\t\t.children = &%s,\n", ptr->children->name);
- fprintf(fil, "\t\t},\n");
- link++;
- }
- }
- fprintf(fil, "\t},\n");
- fprintf(fil, "\t.links = %d,\n", link);
- if (ptr->sibling)
- fprintf(fil, "\t.sibling = &%s,\n", ptr->sibling->name);
- if (ptr->chip->chiph_exists) {
- fprintf(fil, "\t.chip_ops = &%s_ops,\n", ptr->chip->name_underscore);
- fprintf(fil, "\t.chip_info = &%s_info_%d,\n", ptr->chip->name_underscore, ptr->chip->id);
- }
- if (ptr->nextdev)
- fprintf(fil, "\t.next=&%s\n", ptr->nextdev->name);
- fprintf(fil, "};\n");
- }
- if ((ptr->type == chip) && (ptr->chiph_exists)) {
- if (ptr->reg) {
- fprintf(fil, "struct %s_config %s_info_%d\t= {\n", ptr->name_underscore, ptr->name_underscore, ptr->id);
- struct reg *r = ptr->reg;
- while (r) {
- fprintf(fil, "\t.%s = %s,\n", r->key, r->value);
- r = r->next;
- }
- fprintf(fil, "};\n\n");
- } else {
- fprintf(fil, "struct %s_config %s_info_%d;\n", ptr->name_underscore, ptr->name_underscore, ptr->id);
- }
- }
-}
+ { add_register(cur_parent, $<string>2, $<string>4); } ;
-void walk_device_tree(FILE *fil, struct device *ptr, void (*func)(FILE *, struct device*), struct device *chips) {
- do {
- func(fil, ptr);
- ptr = ptr->next_sibling;
- } while (ptr);
-}
-
-struct device mainboard = {
- .name = "mainboard",
- .name_underscore = "mainboard",
- .id = 0,
- .chip = &mainboard,
- .type = chip,
- .chiph_exists = 1,
- .children = &root
-};
-
-struct device root = {
- .name = "dev_root",
- .name_underscore = "dev_root",
- .id = 0,
- .chip = &mainboard,
- .type = device,
- .path = " .type = DEVICE_PATH_ROOT ",
- .ops = "&default_dev_ops_root",
- .parent = &root,
- .bus = &root,
- .enabled = 1
-};
-
-int main(int argc, char** argv) {
- if (argc != 3) {
- printf("usage: sconfig vendor/mainboard outputdir\n");
- return 1;
- }
- char *mainboard=argv[1];
- char *outputdir=argv[2];
- char *devtree=malloc(strlen(mainboard)+30);
- char *outputc=malloc(strlen(outputdir)+10);
- sprintf(devtree, "src/mainboard/%s/devicetree.cb", mainboard);
- sprintf(outputc, "%s/static.c", outputdir);
+subsystemid: SUBSYSTEMID NUMBER NUMBER
+ { add_pci_subsystem_ids(cur_parent, strtol($<string>2, NULL, 16), strtol($<string>3, NULL, 16), 0); };
- headers.next = malloc(sizeof(struct header));
- headers.next->name = malloc(strlen(mainboard)+12);
- headers.next->next = 0;
- sprintf(headers.next->name, "mainboard/%s", mainboard);
+subsystemid: SUBSYSTEMID NUMBER NUMBER INHERIT
+ { add_pci_subsystem_ids(cur_parent, strtol($<string>2, NULL, 16), strtol($<string>3, NULL, 16), 1); };
- FILE *filec = fopen(devtree, "r");
- yyrestart(filec);
- FILE *staticc = fopen(outputc, "w");
-
- cur_bus = cur_parent = 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;
- }
-
- fprintf(staticc, "#include <device/device.h>\n");
- fprintf(staticc, "#include <device/pci.h>\n");
- struct header *h = &headers;
- while (h->next) {
- h = h->next;
- fprintf(staticc, "#include \"%s/chip.h\"\n", h->name);
- }
- fprintf(staticc, "\n/* pass 0 */\n");
- walk_device_tree(staticc, &root, pass0, NULL);
- fprintf(staticc, "\n/* pass 1 */\nstruct mainboard_config mainboard_info_0;\nstruct device **last_dev_p = &%s.next;\n", lastdev->name);
- walk_device_tree(staticc, &root, pass1, NULL);
-
- fclose(staticc);
- return 0;
-}
+%%
projects / coreboot.git / blobdiff