20 #define BIOS32_SIGNATURE	(('_' << 0) + ('3' << 8) + ('2' << 16) + ('_' << 24))
23 #define PCI_SIGNATURE		(('P' << 0) + ('C' << 8) + ('I' << 16) + (' ' << 24))
26 #define PCI_SERVICE		(('$' << 0) + ('P' << 8) + ('C' << 16) + ('I' << 24))
29 #define PCIBIOS_HW_TYPE1		0x01
30 #define PCIBIOS_HW_TYPE2		0x02
31 #define PCIBIOS_HW_TYPE1_SPEC		0x10
32 #define PCIBIOS_HW_TYPE2_SPEC		0x20
51  * We could make the 0xe0000-0x100000 range rox, but this can break
80 		unsigned char revision;		/* Revision level, 0 */
98 } bios32_indirect __initdata = { 0, __KERNEL_CS };
118 		: "0" (service),  in bios32_service()
119 		  "1" (0),  in bios32_service()
124 		case 0:  in bios32_service()
126 		case 0x80:	/* Not present */  in bios32_service()
127 			printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service);  in bios32_service()
128 			return 0;  in bios32_service()
130 			printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n",  in bios32_service()
132 			return 0;  in bios32_service()
140 	.address = 0,
171 		hw_mech = eax & 0xff;  in check_pcibios()
172 		major_ver = (ebx >> 8) & 0xff;  in check_pcibios()
173 		minor_ver = ebx & 0xff;  in check_pcibios()
174 		if (pcibios_last_bus < 0)  in check_pcibios()
175 			pcibios_last_bus = ecx & 0xff;  in check_pcibios()
181 			return 0;  in check_pcibios()
183 		printk(KERN_INFO "PCI: PCI BIOS revision %x.%02x entry at 0x%lx, last bus=%d\n",  in check_pcibios()
193 	return 0;  in check_pcibios()
199 	unsigned long result = 0;  in pci_bios_read()
202 	u16 number = 0, mask = 0;  in pci_bios_read()
213 		mask = 0xff;  in pci_bios_read()
217 		mask = 0xffff;  in pci_bios_read()
249 	unsigned long result = 0;  in pci_bios_write()
252 	u16 number = 0;  in pci_bios_write()
277 		: "0" (number),  in pci_bios_write()
311 	 * 0xe0000 through 0xfffff for a valid BIOS32 structure.  in pci_find_bios()
314 	for (check = (union bios32 *) __va(0xe0000);  in pci_find_bios()
315 	     check <= (union bios32 *) __va(0xffff0);  in pci_find_bios()
326 		sum = 0;  in pci_find_bios()
327 		for (i = 0; i < length ; ++i)  in pci_find_bios()
329 		if (sum != 0)  in pci_find_bios()
331 		if (check->fields.revision != 0) {  in pci_find_bios()
332 			printk("PCI: unsupported BIOS32 revision %d at 0x%p\n",  in pci_find_bios()
336 		DBG("PCI: BIOS32 Service Directory structure at 0x%p\n", check);  in pci_find_bios()
337 		if (check->fields.entry >= 0x100000) {  in pci_find_bios()
338 			printk("PCI: BIOS32 entry (0x%p) in high memory, "  in pci_find_bios()
343 			DBG("PCI: BIOS32 Service Directory entry at 0x%lx\n",  in pci_find_bios()
394 		: "0" (PCIBIOS_GET_ROUTING_OPTIONS),  in pcibios_get_irq_routing_table()
395 		  "1" (0),  in pcibios_get_irq_routing_table()
407 			memset(rt, 0, sizeof(struct irq_routing_table));  in pcibios_get_irq_routing_table()
428 		: "0" (PCIBIOS_SET_PCI_HW_INT),  in pcibios_set_irq_routing()