76 lines
2.5 KiB
Plaintext
Executable File
76 lines
2.5 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-clan.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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#include "sconfig.h"
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int yylex();
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void yyerror(const char *s);
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static struct device *cur_parent;
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static struct chip *cur_chip;
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%}
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%union {
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struct device *device;
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struct chip *chip;
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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 CPU_CLUSTER CPU DOMAIN IRQ DRQ IO NUMBER SUBSYSTEMID INHERIT IOAPIC_IRQ IOAPIC PCIINT GENERIC SPI USB MMIO
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%%
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devtree: { cur_parent = head; } chip { postprocess_devtree(); } ;
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chipchildren: chipchildren device | chipchildren chip | chipchildren registers | /* empty */ ;
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devicechildren: devicechildren device | devicechildren chip | devicechildren resource | devicechildren subsystemid | devicechildren ioapic_irq | /* empty */ ;
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chip: CHIP STRING /* == path */ {
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$<chip>$ = new_chip($<string>2);
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chip_enqueue_tail(cur_chip);
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cur_chip = $<chip>$;
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}
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chipchildren END {
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cur_chip = chip_dequeue_tail();
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};
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device: DEVICE BUS NUMBER /* == devnum */ BOOL {
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$<device>$ = new_device(cur_parent, cur_chip, $<number>2, $<string>3, $<number>4);
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cur_parent = $<device>$;
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}
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devicechildren END {
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cur_parent = $<device>5->parent;
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fold_in($<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_chip, $<string>2, $<string>4); } ;
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subsystemid: SUBSYSTEMID NUMBER NUMBER
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{ add_pci_subsystem_ids(cur_parent, strtol($<string>2, NULL, 16), strtol($<string>3, NULL, 16), 0); };
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subsystemid: SUBSYSTEMID NUMBER NUMBER INHERIT
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{ add_pci_subsystem_ids(cur_parent, strtol($<string>2, NULL, 16), strtol($<string>3, NULL, 16), 1); };
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ioapic_irq: IOAPIC_IRQ NUMBER PCIINT NUMBER
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{ add_ioapic_info(cur_parent, strtol($<string>2, NULL, 16), $<string>3, strtol($<string>4, NULL, 16)); };
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%%
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