18 #define BIOS32_SIGNATURE	(('_' << 0) + ('3' << 8) + ('2' << 16) + ('_' << 24))
21 #define PCI_SIGNATURE		(('P' << 0) + ('C' << 8) + ('I' << 16) + (' ' << 24))
24 #define PCI_SERVICE		(('$' << 0) + ('P' << 8) + ('C' << 16) + ('I' << 24))
27 #define PCIBIOS_HW_TYPE1		0x01
28 #define PCIBIOS_HW_TYPE2		0x02
29 #define PCIBIOS_HW_TYPE1_SPEC		0x10
30 #define PCIBIOS_HW_TYPE2_SPEC		0x20
38  * We could make the 0xe0000-0x100000 range rox, but this can break
67 		unsigned char revision;		/* Revision level, 0 */
85 } bios32_indirect __initdata = { 0, __KERNEL_CS };
105 		: "0" (service),  in bios32_service()
106 		  "1" (0),  in bios32_service()
111 		case 0:  in bios32_service()
113 		case 0x80:	/* Not present */  in bios32_service()
114 			printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service);  in bios32_service()
115 			return 0;  in bios32_service()
117 			printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n",  in bios32_service()
119 			return 0;  in bios32_service()
127 	.address = 0,
157 		status = (eax >> 8) & 0xff;  in check_pcibios()
158 		hw_mech = eax & 0xff;  in check_pcibios()
159 		major_ver = (ebx >> 8) & 0xff;  in check_pcibios()
160 		minor_ver = ebx & 0xff;  in check_pcibios()
161 		if (pcibios_last_bus < 0)  in check_pcibios()
162 			pcibios_last_bus = ecx & 0xff;  in check_pcibios()
168 			return 0;  in check_pcibios()
170 		printk(KERN_INFO "PCI: PCI BIOS revision %x.%02x entry at 0x%lx, last bus=%d\n",  in check_pcibios()
180 	return 0;  in check_pcibios()
186 	unsigned long result = 0;  in pci_bios_read()
189 	u16 number = 0, mask = 0;  in pci_bios_read()
200 		mask = 0xff;  in pci_bios_read()
204 		mask = 0xffff;  in pci_bios_read()
230 	return (int)((result & 0xff00) >> 8);  in pci_bios_read()
236 	unsigned long result = 0;  in pci_bios_write()
239 	u16 number = 0;  in pci_bios_write()
264 		: "0" (number),  in pci_bios_write()
272 	return (int)((result & 0xff00) >> 8);  in pci_bios_write()
298 	 * 0xe0000 through 0xfffff for a valid BIOS32 structure.  in pci_find_bios()
301 	for (check = (union bios32 *) __va(0xe0000);  in pci_find_bios()
302 	     check <= (union bios32 *) __va(0xffff0);  in pci_find_bios()
313 		sum = 0;  in pci_find_bios()
314 		for (i = 0; i < length ; ++i)  in pci_find_bios()
316 		if (sum != 0)  in pci_find_bios()
318 		if (check->fields.revision != 0) {  in pci_find_bios()
319 			printk("PCI: unsupported BIOS32 revision %d at 0x%p\n",  in pci_find_bios()
323 		DBG("PCI: BIOS32 Service Directory structure at 0x%p\n", check);  in pci_find_bios()
324 		if (check->fields.entry >= 0x100000) {  in pci_find_bios()
325 			printk("PCI: BIOS32 entry (0x%p) in high memory, "  in pci_find_bios()
330 			DBG("PCI: BIOS32 Service Directory entry at 0x%lx\n",  in pci_find_bios()
381 		: "0" (PCIBIOS_GET_ROUTING_OPTIONS),  in pcibios_get_irq_routing_table()
382 		  "1" (0),  in pcibios_get_irq_routing_table()
388 	if (ret & 0xff00)  in pcibios_get_irq_routing_table()
389 		printk(KERN_ERR "PCI: Error %02x when fetching IRQ routing table.\n", (ret >> 8) & 0xff);  in pcibios_get_irq_routing_table()
393 			memset(rt, 0, sizeof(struct irq_routing_table));  in pcibios_get_irq_routing_table()
414 		: "0" (PCIBIOS_SET_PCI_HW_INT),  in pcibios_set_irq_routing()
418 	return !(ret & 0xff00);  in pcibios_set_irq_routing()