71 lines
2.2 KiB
Plaintext
Executable File
71 lines
2.2 KiB
Plaintext
Executable File
%{
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/*
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* sconfig, coreboot device tree compiler
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*
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* Copyright (C) 2010 coresystems GmbH
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* written by Patrick Georgi <patrick.georgi@coresystems.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
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*/
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#include "sconfig.h"
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static struct device *cur_parent, *cur_bus;
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%}
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%union {
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struct device *device;
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char *string;
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int number;
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}
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%token CHIP DEVICE REGISTER BOOL BUS RESOURCE END EQUALS HEX STRING PCI PNP I2C APIC APIC_CLUSTER PCI_DOMAIN IRQ DRQ IO NUMBER
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%%
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devtree: { cur_parent = cur_bus = head; } devchip { postprocess_devtree(); } ;
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devchip: chip | device ;
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devices: devices devchip | devices registers | ;
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devicesorresources: devicesorresources devchip | devicesorresources resource | ;
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chip: CHIP STRING /* == path */ {
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$<device>$ = new_chip(cur_parent, cur_bus, $<string>2);
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cur_parent = $<device>$;
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}
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devices END {
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cur_parent = $<device>3->parent;
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fold_in($<device>3);
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add_header($<device>3);
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};
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device: DEVICE BUS NUMBER /* == devnum */ BOOL {
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$<device>$ = new_device(cur_parent, cur_bus, $<number>2, $<string>3, $<number>4);
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cur_parent = $<device>$;
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cur_bus = $<device>$;
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}
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devicesorresources END {
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cur_parent = $<device>5->parent;
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cur_bus = $<device>5->bus;
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fold_in($<device>5);
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alias_siblings($<device>5->children);
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};
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resource: RESOURCE NUMBER /* == resnum */ EQUALS NUMBER /* == resval */
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{ add_resource(cur_parent, $<number>1, strtol($<string>2, NULL, 0), strtol($<string>4, NULL, 0)); } ;
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registers: REGISTER STRING /* == regname */ EQUALS STRING /* == regval */
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{ add_register(cur_parent, $<string>2, $<string>4); } ;
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%%
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