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%{
/*
* sconfig, coreboot device tree compiler
*
* Copyright (C) 2010 coresystems GmbH
* written by Patrick Georgi <patrick@georgi-clan.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"
int yylex();
void yyerror(const char *s);
static struct device *cur_parent, *cur_bus;
static struct chip *cur_chip;
%}
%union {
struct device *device;
struct chip *chip;
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 GENERIC SPI USB MMIO
%%
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 */ {
$<chip>$ = new_chip($<string>2);
chip_enqueue_tail(cur_chip);
cur_chip = $<chip>$;
}
chipchildren END {
cur_chip = chip_dequeue_tail();
};
device: DEVICE BUS NUMBER /* == devnum */ BOOL {
$<device>$ = new_device(cur_parent, cur_bus, cur_chip, $<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_chip, $<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)); };
%%
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