73 lines
2.5 KiB
Plaintext
Executable File
73 lines
2.5 KiB
Plaintext
Executable File
%{
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/* sconfig, coreboot device tree compiler */
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/* SPDX-License-Identifier: GPL-2.0-only */
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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 bus *cur_parent;
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static struct chip_instance *cur_chip_instance;
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%}
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%union {
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struct device *dev;
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struct chip_instance *chip_instance;
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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 STATUS MANDATORY BUS RESOURCE END EQUALS HEX STRING PCI PNP I2C APIC CPU_CLUSTER CPU DOMAIN IRQ DRQ SLOT_DESC IO NUMBER SUBSYSTEMID INHERIT IOAPIC_IRQ IOAPIC PCIINT GENERIC SPI USB MMIO
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%%
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devtree: { cur_parent = root_parent; } chip;
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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 | devicechildren smbios_slot_desc | devicechildren registers | /* empty */ ;
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chip: CHIP STRING /* == path */ {
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$<chip_instance>$ = new_chip_instance($<string>2);
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chip_enqueue_tail(cur_chip_instance);
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cur_chip_instance = $<chip_instance>$;
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}
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chipchildren END {
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cur_chip_instance = chip_dequeue_tail();
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};
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device: DEVICE BUS NUMBER /* == devnum */ status {
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$<dev>$ = new_device(cur_parent, cur_chip_instance, $<number>2, $<string>3, $<number>4);
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cur_parent = $<dev>$->last_bus;
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}
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devicechildren END {
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cur_parent = $<dev>5->parent;
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};
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status: BOOL | STATUS ;
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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_instance, $<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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smbios_slot_desc: SLOT_DESC STRING STRING STRING STRING
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{ add_slot_desc(cur_parent, $<string>2, $<string>3, $<string>4, $<string>5); };
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smbios_slot_desc: SLOT_DESC STRING STRING STRING
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{ add_slot_desc(cur_parent, $<string>2, $<string>3, $<string>4, NULL); };
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smbios_slot_desc: SLOT_DESC STRING STRING
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{ add_slot_desc(cur_parent, $<string>2, $<string>3, NULL, NULL); };
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%%
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