%{ /* * sconfig, coreboot device tree compiler * * Copyright (C) 2010 coresystems GmbH * written by Patrick Georgi <patrick.georgi@coresystems.de> * * 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. */ #include "sconfig.h" static struct device *cur_parent, *cur_bus; %} %union { struct device *device; char *string; int number; } %token CHIP DEVICE REGISTER BOOL BUS RESOURCE END EQUALS HEX STRING PCI PNP I2C APIC CPU_CLUSTER CPU DOMAIN IRQ DRQ IO NUMBER SUBSYSTEMID INHERIT IOAPIC_IRQ IOAPIC PCIINT %% devtree: { cur_parent = cur_bus = head; } chip { postprocess_devtree(); } ; chipchildren: chipchildren device | chipchildren chip | chipchildren registers | /* empty */ ; devicechildren: devicechildren device | devicechildren chip | devicechildren resource | devicechildren subsystemid | devicechildren ioapic_irq | /* empty */ ; chip: CHIP STRING /* == path */ { $<device>$ = new_chip(cur_parent, cur_bus, $<string>2); cur_parent = $<device>$; } chipchildren END { cur_parent = $<device>3->parent; fold_in($<device>3); add_header($<device>3); }; device: DEVICE BUS NUMBER /* == devnum */ BOOL { $<device>$ = new_device(cur_parent, cur_bus, $<number>2, $<string>3, $<number>4); cur_parent = $<device>$; cur_bus = $<device>$; } devicechildren END { cur_parent = $<device>5->parent; cur_bus = $<device>5->bus; fold_in($<device>5); alias_siblings($<device>5->children); }; resource: RESOURCE NUMBER /* == resnum */ EQUALS NUMBER /* == resval */ { add_resource(cur_parent, $<number>1, strtol($<string>2, NULL, 0), strtol($<string>4, NULL, 0)); } ; registers: REGISTER STRING /* == regname */ EQUALS STRING /* == regval */ { add_register(cur_parent, $<string>2, $<string>4); } ; subsystemid: SUBSYSTEMID NUMBER NUMBER { add_pci_subsystem_ids(cur_parent, strtol($<string>2, NULL, 16), strtol($<string>3, NULL, 16), 0); }; subsystemid: SUBSYSTEMID NUMBER NUMBER INHERIT { add_pci_subsystem_ids(cur_parent, strtol($<string>2, NULL, 16), strtol($<string>3, NULL, 16), 1); }; ioapic_irq: IOAPIC_IRQ NUMBER PCIINT NUMBER { add_ioapic_info(cur_parent, strtol($<string>2, NULL, 16), $<string>3, strtol($<string>4, NULL, 16)); }; %%