From 114e7b2990cd2b64956ddb271638646ef5108d54 Mon Sep 17 00:00:00 2001 From: Patrick Georgi Date: Wed, 5 May 2010 11:19:50 +0000 Subject: Split C code in sconfig's parser into a separate file. Update generated parser files. Add proper include path for utils. Signed-off-by: Patrick Georgi Acked-by: Peter Stuge git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5523 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- util/sconfig/main.c | 417 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 417 insertions(+) create mode 100755 util/sconfig/main.c (limited to 'util/sconfig/main.c') diff --git a/util/sconfig/main.c b/util/sconfig/main.c new file mode 100755 index 0000000000..00d0e5a5b2 --- /dev/null +++ b/util/sconfig/main.c @@ -0,0 +1,417 @@ +/* + * sconfig, coreboot device tree compiler + * + * Copyright (C) 2010 coresystems GmbH + * written by Patrick Georgi + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA + */ + +#include "sconfig.h" +#include "sconfig.tab.h" + +struct device *head, *lastdev; + +struct header headers; + +static int devcount = 0; + +static struct device root; +static struct device mainboard = { + .name = "mainboard", + .name_underscore = "mainboard", + .id = 0, + .chip = &mainboard, + .type = chip, + .chiph_exists = 1, + .children = &root +}; + +static 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 +}; + +static 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; +} + +static 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); +} + +void postprocess_devtree(void) { + 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; + } +} + +struct device *new_chip(char *path) { + struct device *new_chip = new_dev(); + new_chip->chiph_exists = 1; + new_chip->name = path; + new_chip->name_underscore = strdup(new_chip->name); + char *c; + for (c = new_chip->name_underscore; *c; c++) { + if (*c == '/') *c = '_'; + if (*c == '-') *c = '_'; + } + new_chip->type = chip; + new_chip->chip = new_chip; + + struct stat st; + char *chip_h = malloc(strlen(path)+12); + sprintf(chip_h, "src/%s/chip.h", path); + if ((stat(chip_h, &st) == -1) && (errno == ENOENT)) + new_chip->chiph_exists = 0; + + if (cur_parent->latestchild) { + cur_parent->latestchild->next_sibling = new_chip; + cur_parent->latestchild->sibling = new_chip; + } + cur_parent->latestchild = new_chip; + if (!cur_parent->children) + cur_parent->children = new_chip; + return new_chip; +} + +void add_header(struct device *dev) { + if (dev->chiph_exists) { + int include_exists = 0; + struct header *h = &headers; + while (h->next) { + int result = strcmp(dev->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 = dev->name; + h->next->next = tmp; + } + } +} + +struct device *new_device(const int bus, const char *devnum, int enabled) { + struct device *new_d = new_dev(); + new_d->bustype = bus; + + char *tmp; + new_d->path_a = strtol(strdup(devnum), &tmp, 16); + if (*tmp == '.') { + tmp++; + new_d->path_b = strtol(tmp, NULL, 16); + } + + char *name = malloc(10); + sprintf(name, "_dev%d", new_d->id); + new_d->name = name; + new_d->name_underscore = name; // shouldn't be necessary, but avoid 0-ptr + new_d->type = device; + new_d->enabled = enabled; + new_d->chip = new_d->parent->chip; + + if (cur_parent->latestchild) { + cur_parent->latestchild->next_sibling = new_d; + cur_parent->latestchild->sibling = new_d; + } + cur_parent->latestchild = new_d; + if (!cur_parent->children) + cur_parent->children = new_d; + + lastdev->nextdev = new_d; + lastdev = new_d; + if (bus == PCI) { + new_d->path = ".type=DEVICE_PATH_PCI,{.pci={ .devfn = PCI_DEVFN(0x%x,%d)}}"; + } + if (bus == PNP) { + new_d->path = ".type=DEVICE_PATH_PNP,{.pnp={ .port = 0x%x, .device = 0x%x }}"; + } + if (bus == I2C) { + new_d->path = ".type=DEVICE_PATH_I2C,{.i2c={ .device = 0x%x }}"; + } + if (bus == APIC) { + new_d->path = ".type=DEVICE_PATH_APIC,{.apic={ .apic_id = 0x%x }}"; + } + if (bus == APIC_CLUSTER) { + new_d->path = ".type=DEVICE_PATH_APIC_CLUSTER,{.apic_cluster={ .cluster = 0x%x }}"; + } + if (bus == PCI_DOMAIN) { + new_d->path = ".type=DEVICE_PATH_PCI_DOMAIN,{.pci_domain={ .domain = 0x%x }}"; + } + return new_d; +} + +void alias_siblings(struct device *d) { + 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; + } +} + +void add_resource(int type, int index, int base) { + struct resource *r = malloc(sizeof(struct resource)); + memset (r, 0, sizeof(struct resource)); + r->type = type; + r->index = index; + r->base = base; + 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++; +} + +void add_register(char *name, char *val) { + struct reg *r = malloc(sizeof(struct reg)); + memset (r, 0, sizeof(struct reg)); + r->key = name; + r->value = val; + 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; + } +} + +static 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); +} + +static 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); + } + } +} + +static 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); +} + +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); + + headers.next = malloc(sizeof(struct header)); + headers.next->name = malloc(strlen(mainboard)+12); + headers.next->next = 0; + sprintf(headers.next->name, "mainboard/%s", mainboard); + + 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 \n"); + fprintf(staticc, "#include \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; +} -- cgit v1.2.3