| /* Simple code to turn various tables in an ELF file into alias definitions. | |
| * This deals with kernel datastructures where they should be | |
| * dealt with: in the kernel source. | |
| * | |
| * Copyright 2002-2003 Rusty Russell, IBM Corporation | |
| * 2003 Kai Germaschewski | |
| * | |
| * | |
| * This software may be used and distributed according to the terms | |
| * of the GNU General Public License, incorporated herein by reference. | |
| */ | |
| #include "modpost.h" | |
| #include "devicetable-offsets.h" | |
| /* We use the ELF typedefs for kernel_ulong_t but bite the bullet and | |
| * use either stdint.h or inttypes.h for the rest. */ | |
| #if KERNEL_ELFCLASS == ELFCLASS32 | |
| typedef Elf32_Addr kernel_ulong_t; | |
| #define BITS_PER_LONG 32 | |
| #else | |
| typedef Elf64_Addr kernel_ulong_t; | |
| #define BITS_PER_LONG 64 | |
| #endif | |
| #ifdef __sun__ | |
| #include <inttypes.h> | |
| #else | |
| #include <stdint.h> | |
| #endif | |
| #include <ctype.h> | |
| #include <stdbool.h> | |
| typedef uint32_t __u32; | |
| typedef uint16_t __u16; | |
| typedef unsigned char __u8; | |
| typedef struct { | |
| __u8 b[16]; | |
| } uuid_le; | |
| /* Big exception to the "don't include kernel headers into userspace, which | |
| * even potentially has different endianness and word sizes, since | |
| * we handle those differences explicitly below */ | |
| #include "../../include/linux/mod_devicetable.h" | |
| /* This array collects all instances that use the generic do_table */ | |
| struct devtable { | |
| const char *device_id; /* name of table, __mod_<name>__*_device_table. */ | |
| unsigned long id_size; | |
| int (*do_entry)(const char *filename, void *symval, char *alias); | |
| }; | |
| /* Define a variable f that holds the value of field f of struct devid | |
| * based at address m. | |
| */ | |
| #define DEF_FIELD(m, devid, f) \ | |
| typeof(((struct devid *)0)->f) f = TO_NATIVE(*(typeof(f) *)((m) + OFF_##devid##_##f)) | |
| /* Define a variable f that holds the address of field f of struct devid | |
| * based at address m. Due to the way typeof works, for a field of type | |
| * T[N] the variable has type T(*)[N], _not_ T*. | |
| */ | |
| #define DEF_FIELD_ADDR(m, devid, f) \ | |
| typeof(((struct devid *)0)->f) *f = ((m) + OFF_##devid##_##f) | |
| #define ADD(str, sep, cond, field) \ | |
| do { \ | |
| strcat(str, sep); \ | |
| if (cond) \ | |
| sprintf(str + strlen(str), \ | |
| sizeof(field) == 1 ? "%02X" : \ | |
| sizeof(field) == 2 ? "%04X" : \ | |
| sizeof(field) == 4 ? "%08X" : "", \ | |
| field); \ | |
| else \ | |
| sprintf(str + strlen(str), "*"); \ | |
| } while(0) | |
| /* End in a wildcard, for future extension */ | |
| static inline void add_wildcard(char *str) | |
| { | |
| int len = strlen(str); | |
| if (str[len - 1] != '*') | |
| strcat(str + len, "*"); | |
| } | |
| static inline void add_uuid(char *str, uuid_le uuid) | |
| { | |
| int len = strlen(str); | |
| sprintf(str + len, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", | |
| uuid.b[3], uuid.b[2], uuid.b[1], uuid.b[0], | |
| uuid.b[5], uuid.b[4], uuid.b[7], uuid.b[6], | |
| uuid.b[8], uuid.b[9], uuid.b[10], uuid.b[11], | |
| uuid.b[12], uuid.b[13], uuid.b[14], uuid.b[15]); | |
| } | |
| /** | |
| * Check that sizeof(device_id type) are consistent with size of section | |
| * in .o file. If in-consistent then userspace and kernel does not agree | |
| * on actual size which is a bug. | |
| * Also verify that the final entry in the table is all zeros. | |
| * Ignore both checks if build host differ from target host and size differs. | |
| **/ | |
| static void device_id_check(const char *modname, const char *device_id, | |
| unsigned long size, unsigned long id_size, | |
| void *symval) | |
| { | |
| int i; | |
| if (size % id_size || size < id_size) { | |
| fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo " | |
| "of the size of " | |
| "section __mod_%s__<identifier>_device_table=%lu.\n" | |
| "Fix definition of struct %s_device_id " | |
| "in mod_devicetable.h\n", | |
| modname, device_id, id_size, device_id, size, device_id); | |
| } | |
| /* Verify last one is a terminator */ | |
| for (i = 0; i < id_size; i++ ) { | |
| if (*(uint8_t*)(symval+size-id_size+i)) { | |
| fprintf(stderr,"%s: struct %s_device_id is %lu bytes. " | |
| "The last of %lu is:\n", | |
| modname, device_id, id_size, size / id_size); | |
| for (i = 0; i < id_size; i++ ) | |
| fprintf(stderr,"0x%02x ", | |
| *(uint8_t*)(symval+size-id_size+i) ); | |
| fprintf(stderr,"\n"); | |
| fatal("%s: struct %s_device_id is not terminated " | |
| "with a NULL entry!\n", modname, device_id); | |
| } | |
| } | |
| } | |
| /* USB is special because the bcdDevice can be matched against a numeric range */ | |
| /* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipNinN" */ | |
| static void do_usb_entry(void *symval, | |
| unsigned int bcdDevice_initial, int bcdDevice_initial_digits, | |
| unsigned char range_lo, unsigned char range_hi, | |
| unsigned char max, struct module *mod) | |
| { | |
| char alias[500]; | |
| DEF_FIELD(symval, usb_device_id, match_flags); | |
| DEF_FIELD(symval, usb_device_id, idVendor); | |
| DEF_FIELD(symval, usb_device_id, idProduct); | |
| DEF_FIELD(symval, usb_device_id, bcdDevice_lo); | |
| DEF_FIELD(symval, usb_device_id, bDeviceClass); | |
| DEF_FIELD(symval, usb_device_id, bDeviceSubClass); | |
| DEF_FIELD(symval, usb_device_id, bDeviceProtocol); | |
| DEF_FIELD(symval, usb_device_id, bInterfaceClass); | |
| DEF_FIELD(symval, usb_device_id, bInterfaceSubClass); | |
| DEF_FIELD(symval, usb_device_id, bInterfaceProtocol); | |
| DEF_FIELD(symval, usb_device_id, bInterfaceNumber); | |
| strcpy(alias, "usb:"); | |
| ADD(alias, "v", match_flags&USB_DEVICE_ID_MATCH_VENDOR, | |
| idVendor); | |
| ADD(alias, "p", match_flags&USB_DEVICE_ID_MATCH_PRODUCT, | |
| idProduct); | |
| strcat(alias, "d"); | |
| if (bcdDevice_initial_digits) | |
| sprintf(alias + strlen(alias), "%0*X", | |
| bcdDevice_initial_digits, bcdDevice_initial); | |
| if (range_lo == range_hi) | |
| sprintf(alias + strlen(alias), "%X", range_lo); | |
| else if (range_lo > 0 || range_hi < max) { | |
| if (range_lo > 0x9 || range_hi < 0xA) | |
| sprintf(alias + strlen(alias), | |
| "[%X-%X]", | |
| range_lo, | |
| range_hi); | |
| else { | |
| sprintf(alias + strlen(alias), | |
| range_lo < 0x9 ? "[%X-9" : "[%X", | |
| range_lo); | |
| sprintf(alias + strlen(alias), | |
| range_hi > 0xA ? "A-%X]" : "%X]", | |
| range_hi); | |
| } | |
| } | |
| if (bcdDevice_initial_digits < (sizeof(bcdDevice_lo) * 2 - 1)) | |
| strcat(alias, "*"); | |
| ADD(alias, "dc", match_flags&USB_DEVICE_ID_MATCH_DEV_CLASS, | |
| bDeviceClass); | |
| ADD(alias, "dsc", match_flags&USB_DEVICE_ID_MATCH_DEV_SUBCLASS, | |
| bDeviceSubClass); | |
| ADD(alias, "dp", match_flags&USB_DEVICE_ID_MATCH_DEV_PROTOCOL, | |
| bDeviceProtocol); | |
| ADD(alias, "ic", match_flags&USB_DEVICE_ID_MATCH_INT_CLASS, | |
| bInterfaceClass); | |
| ADD(alias, "isc", match_flags&USB_DEVICE_ID_MATCH_INT_SUBCLASS, | |
| bInterfaceSubClass); | |
| ADD(alias, "ip", match_flags&USB_DEVICE_ID_MATCH_INT_PROTOCOL, | |
| bInterfaceProtocol); | |
| ADD(alias, "in", match_flags&USB_DEVICE_ID_MATCH_INT_NUMBER, | |
| bInterfaceNumber); | |
| add_wildcard(alias); | |
| buf_printf(&mod->dev_table_buf, | |
| "MODULE_ALIAS(\"%s\");\n", alias); | |
| } | |
| /* Handles increment/decrement of BCD formatted integers */ | |
| /* Returns the previous value, so it works like i++ or i-- */ | |
| static unsigned int incbcd(unsigned int *bcd, | |
| int inc, | |
| unsigned char max, | |
| size_t chars) | |
| { | |
| unsigned int init = *bcd, i, j; | |
| unsigned long long c, dec = 0; | |
| /* If bcd is not in BCD format, just increment */ | |
| if (max > 0x9) { | |
| *bcd += inc; | |
| return init; | |
| } | |
| /* Convert BCD to Decimal */ | |
| for (i=0 ; i < chars ; i++) { | |
| c = (*bcd >> (i << 2)) & 0xf; | |
| c = c > 9 ? 9 : c; /* force to bcd just in case */ | |
| for (j=0 ; j < i ; j++) | |
| c = c * 10; | |
| dec += c; | |
| } | |
| /* Do our increment/decrement */ | |
| dec += inc; | |
| *bcd = 0; | |
| /* Convert back to BCD */ | |
| for (i=0 ; i < chars ; i++) { | |
| for (c=1,j=0 ; j < i ; j++) | |
| c = c * 10; | |
| c = (dec / c) % 10; | |
| *bcd += c << (i << 2); | |
| } | |
| return init; | |
| } | |
| static void do_usb_entry_multi(void *symval, struct module *mod) | |
| { | |
| unsigned int devlo, devhi; | |
| unsigned char chi, clo, max; | |
| int ndigits; | |
| DEF_FIELD(symval, usb_device_id, match_flags); | |
| DEF_FIELD(symval, usb_device_id, idVendor); | |
| DEF_FIELD(symval, usb_device_id, idProduct); | |
| DEF_FIELD(symval, usb_device_id, bcdDevice_lo); | |
| DEF_FIELD(symval, usb_device_id, bcdDevice_hi); | |
| DEF_FIELD(symval, usb_device_id, bDeviceClass); | |
| DEF_FIELD(symval, usb_device_id, bInterfaceClass); | |
| devlo = match_flags & USB_DEVICE_ID_MATCH_DEV_LO ? | |
| bcdDevice_lo : 0x0U; | |
| devhi = match_flags & USB_DEVICE_ID_MATCH_DEV_HI ? | |
| bcdDevice_hi : ~0x0U; | |
| /* Figure out if this entry is in bcd or hex format */ | |
| max = 0x9; /* Default to decimal format */ | |
| for (ndigits = 0 ; ndigits < sizeof(bcdDevice_lo) * 2 ; ndigits++) { | |
| clo = (devlo >> (ndigits << 2)) & 0xf; | |
| chi = ((devhi > 0x9999 ? 0x9999 : devhi) >> (ndigits << 2)) & 0xf; | |
| if (clo > max || chi > max) { | |
| max = 0xf; | |
| break; | |
| } | |
| } | |
| /* | |
| * Some modules (visor) have empty slots as placeholder for | |
| * run-time specification that results in catch-all alias | |
| */ | |
| if (!(idVendor | idProduct | bDeviceClass | bInterfaceClass)) | |
| return; | |
| /* Convert numeric bcdDevice range into fnmatch-able pattern(s) */ | |
| for (ndigits = sizeof(bcdDevice_lo) * 2 - 1; devlo <= devhi; ndigits--) { | |
| clo = devlo & 0xf; | |
| chi = devhi & 0xf; | |
| if (chi > max) /* If we are in bcd mode, truncate if necessary */ | |
| chi = max; | |
| devlo >>= 4; | |
| devhi >>= 4; | |
| if (devlo == devhi || !ndigits) { | |
| do_usb_entry(symval, devlo, ndigits, clo, chi, max, mod); | |
| break; | |
| } | |
| if (clo > 0x0) | |
| do_usb_entry(symval, | |
| incbcd(&devlo, 1, max, | |
| sizeof(bcdDevice_lo) * 2), | |
| ndigits, clo, max, max, mod); | |
| if (chi < max) | |
| do_usb_entry(symval, | |
| incbcd(&devhi, -1, max, | |
| sizeof(bcdDevice_lo) * 2), | |
| ndigits, 0x0, chi, max, mod); | |
| } | |
| } | |
| static void do_usb_table(void *symval, unsigned long size, | |
| struct module *mod) | |
| { | |
| unsigned int i; | |
| const unsigned long id_size = SIZE_usb_device_id; | |
| device_id_check(mod->name, "usb", size, id_size, symval); | |
| /* Leave last one: it's the terminator. */ | |
| size -= id_size; | |
| for (i = 0; i < size; i += id_size) | |
| do_usb_entry_multi(symval + i, mod); | |
| } | |
| static void do_of_entry_multi(void *symval, struct module *mod) | |
| { | |
| char alias[500]; | |
| int len; | |
| char *tmp; | |
| DEF_FIELD_ADDR(symval, of_device_id, name); | |
| DEF_FIELD_ADDR(symval, of_device_id, type); | |
| DEF_FIELD_ADDR(symval, of_device_id, compatible); | |
| len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*", | |
| (*type)[0] ? *type : "*"); | |
| if ((*compatible)[0]) | |
| sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "", | |
| *compatible); | |
| /* Replace all whitespace with underscores */ | |
| for (tmp = alias; tmp && *tmp; tmp++) | |
| if (isspace(*tmp)) | |
| *tmp = '_'; | |
| buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias); | |
| strcat(alias, "C"); | |
| add_wildcard(alias); | |
| buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias); | |
| } | |
| static void do_of_table(void *symval, unsigned long size, | |
| struct module *mod) | |
| { | |
| unsigned int i; | |
| const unsigned long id_size = SIZE_of_device_id; | |
| device_id_check(mod->name, "of", size, id_size, symval); | |
| /* Leave last one: it's the terminator. */ | |
| size -= id_size; | |
| for (i = 0; i < size; i += id_size) | |
| do_of_entry_multi(symval + i, mod); | |
| } | |
| /* Looks like: hid:bNvNpN */ | |
| static int do_hid_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, hid_device_id, bus); | |
| DEF_FIELD(symval, hid_device_id, group); | |
| DEF_FIELD(symval, hid_device_id, vendor); | |
| DEF_FIELD(symval, hid_device_id, product); | |
| sprintf(alias, "hid:"); | |
| ADD(alias, "b", bus != HID_BUS_ANY, bus); | |
| ADD(alias, "g", group != HID_GROUP_ANY, group); | |
| ADD(alias, "v", vendor != HID_ANY_ID, vendor); | |
| ADD(alias, "p", product != HID_ANY_ID, product); | |
| return 1; | |
| } | |
| /* Looks like: ieee1394:venNmoNspNverN */ | |
| static int do_ieee1394_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, ieee1394_device_id, match_flags); | |
| DEF_FIELD(symval, ieee1394_device_id, vendor_id); | |
| DEF_FIELD(symval, ieee1394_device_id, model_id); | |
| DEF_FIELD(symval, ieee1394_device_id, specifier_id); | |
| DEF_FIELD(symval, ieee1394_device_id, version); | |
| strcpy(alias, "ieee1394:"); | |
| ADD(alias, "ven", match_flags & IEEE1394_MATCH_VENDOR_ID, | |
| vendor_id); | |
| ADD(alias, "mo", match_flags & IEEE1394_MATCH_MODEL_ID, | |
| model_id); | |
| ADD(alias, "sp", match_flags & IEEE1394_MATCH_SPECIFIER_ID, | |
| specifier_id); | |
| ADD(alias, "ver", match_flags & IEEE1394_MATCH_VERSION, | |
| version); | |
| add_wildcard(alias); | |
| return 1; | |
| } | |
| /* Looks like: pci:vNdNsvNsdNbcNscNiN. */ | |
| static int do_pci_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| /* Class field can be divided into these three. */ | |
| unsigned char baseclass, subclass, interface, | |
| baseclass_mask, subclass_mask, interface_mask; | |
| DEF_FIELD(symval, pci_device_id, vendor); | |
| DEF_FIELD(symval, pci_device_id, device); | |
| DEF_FIELD(symval, pci_device_id, subvendor); | |
| DEF_FIELD(symval, pci_device_id, subdevice); | |
| DEF_FIELD(symval, pci_device_id, class); | |
| DEF_FIELD(symval, pci_device_id, class_mask); | |
| strcpy(alias, "pci:"); | |
| ADD(alias, "v", vendor != PCI_ANY_ID, vendor); | |
| ADD(alias, "d", device != PCI_ANY_ID, device); | |
| ADD(alias, "sv", subvendor != PCI_ANY_ID, subvendor); | |
| ADD(alias, "sd", subdevice != PCI_ANY_ID, subdevice); | |
| baseclass = (class) >> 16; | |
| baseclass_mask = (class_mask) >> 16; | |
| subclass = (class) >> 8; | |
| subclass_mask = (class_mask) >> 8; | |
| interface = class; | |
| interface_mask = class_mask; | |
| if ((baseclass_mask != 0 && baseclass_mask != 0xFF) | |
| || (subclass_mask != 0 && subclass_mask != 0xFF) | |
| || (interface_mask != 0 && interface_mask != 0xFF)) { | |
| warn("Can't handle masks in %s:%04X\n", | |
| filename, class_mask); | |
| return 0; | |
| } | |
| ADD(alias, "bc", baseclass_mask == 0xFF, baseclass); | |
| ADD(alias, "sc", subclass_mask == 0xFF, subclass); | |
| ADD(alias, "i", interface_mask == 0xFF, interface); | |
| add_wildcard(alias); | |
| return 1; | |
| } | |
| /* looks like: "ccw:tNmNdtNdmN" */ | |
| static int do_ccw_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, ccw_device_id, match_flags); | |
| DEF_FIELD(symval, ccw_device_id, cu_type); | |
| DEF_FIELD(symval, ccw_device_id, cu_model); | |
| DEF_FIELD(symval, ccw_device_id, dev_type); | |
| DEF_FIELD(symval, ccw_device_id, dev_model); | |
| strcpy(alias, "ccw:"); | |
| ADD(alias, "t", match_flags&CCW_DEVICE_ID_MATCH_CU_TYPE, | |
| cu_type); | |
| ADD(alias, "m", match_flags&CCW_DEVICE_ID_MATCH_CU_MODEL, | |
| cu_model); | |
| ADD(alias, "dt", match_flags&CCW_DEVICE_ID_MATCH_DEVICE_TYPE, | |
| dev_type); | |
| ADD(alias, "dm", match_flags&CCW_DEVICE_ID_MATCH_DEVICE_MODEL, | |
| dev_model); | |
| add_wildcard(alias); | |
| return 1; | |
| } | |
| /* looks like: "ap:tN" */ | |
| static int do_ap_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, ap_device_id, dev_type); | |
| sprintf(alias, "ap:t%02X*", dev_type); | |
| return 1; | |
| } | |
| /* looks like: "css:tN" */ | |
| static int do_css_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, css_device_id, type); | |
| sprintf(alias, "css:t%01X", type); | |
| return 1; | |
| } | |
| /* Looks like: "serio:tyNprNidNexN" */ | |
| static int do_serio_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, serio_device_id, type); | |
| DEF_FIELD(symval, serio_device_id, proto); | |
| DEF_FIELD(symval, serio_device_id, id); | |
| DEF_FIELD(symval, serio_device_id, extra); | |
| strcpy(alias, "serio:"); | |
| ADD(alias, "ty", type != SERIO_ANY, type); | |
| ADD(alias, "pr", proto != SERIO_ANY, proto); | |
| ADD(alias, "id", id != SERIO_ANY, id); | |
| ADD(alias, "ex", extra != SERIO_ANY, extra); | |
| add_wildcard(alias); | |
| return 1; | |
| } | |
| /* looks like: "acpi:ACPI0003" or "acpi:PNP0C0B" or "acpi:LNXVIDEO" or | |
| * "acpi:bbsspp" (bb=base-class, ss=sub-class, pp=prog-if) | |
| * | |
| * NOTE: Each driver should use one of the following : _HID, _CIDs | |
| * or _CLS. Also, bb, ss, and pp can be substituted with ?? | |
| * as don't care byte. | |
| */ | |
| static int do_acpi_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD_ADDR(symval, acpi_device_id, id); | |
| DEF_FIELD_ADDR(symval, acpi_device_id, cls); | |
| DEF_FIELD_ADDR(symval, acpi_device_id, cls_msk); | |
| if (id && strlen((const char *)*id)) | |
| sprintf(alias, "acpi*:%s:*", *id); | |
| else if (cls) { | |
| int i, byte_shift, cnt = 0; | |
| unsigned int msk; | |
| sprintf(&alias[cnt], "acpi*:"); | |
| cnt = 6; | |
| for (i = 1; i <= 3; i++) { | |
| byte_shift = 8 * (3-i); | |
| msk = (*cls_msk >> byte_shift) & 0xFF; | |
| if (msk) | |
| sprintf(&alias[cnt], "%02x", | |
| (*cls >> byte_shift) & 0xFF); | |
| else | |
| sprintf(&alias[cnt], "??"); | |
| cnt += 2; | |
| } | |
| sprintf(&alias[cnt], ":*"); | |
| } | |
| return 1; | |
| } | |
| /* looks like: "pnp:dD" */ | |
| static void do_pnp_device_entry(void *symval, unsigned long size, | |
| struct module *mod) | |
| { | |
| const unsigned long id_size = SIZE_pnp_device_id; | |
| const unsigned int count = (size / id_size)-1; | |
| unsigned int i; | |
| device_id_check(mod->name, "pnp", size, id_size, symval); | |
| for (i = 0; i < count; i++) { | |
| DEF_FIELD_ADDR(symval + i*id_size, pnp_device_id, id); | |
| char acpi_id[sizeof(*id)]; | |
| int j; | |
| buf_printf(&mod->dev_table_buf, | |
| "MODULE_ALIAS(\"pnp:d%s*\");\n", *id); | |
| /* fix broken pnp bus lowercasing */ | |
| for (j = 0; j < sizeof(acpi_id); j++) | |
| acpi_id[j] = toupper((*id)[j]); | |
| buf_printf(&mod->dev_table_buf, | |
| "MODULE_ALIAS(\"acpi*:%s:*\");\n", acpi_id); | |
| } | |
| } | |
| /* looks like: "pnp:dD" for every device of the card */ | |
| static void do_pnp_card_entries(void *symval, unsigned long size, | |
| struct module *mod) | |
| { | |
| const unsigned long id_size = SIZE_pnp_card_device_id; | |
| const unsigned int count = (size / id_size)-1; | |
| unsigned int i; | |
| device_id_check(mod->name, "pnp", size, id_size, symval); | |
| for (i = 0; i < count; i++) { | |
| unsigned int j; | |
| DEF_FIELD_ADDR(symval + i*id_size, pnp_card_device_id, devs); | |
| for (j = 0; j < PNP_MAX_DEVICES; j++) { | |
| const char *id = (char *)(*devs)[j].id; | |
| int i2, j2; | |
| int dup = 0; | |
| if (!id[0]) | |
| break; | |
| /* find duplicate, already added value */ | |
| for (i2 = 0; i2 < i && !dup; i2++) { | |
| DEF_FIELD_ADDR(symval + i2*id_size, pnp_card_device_id, devs); | |
| for (j2 = 0; j2 < PNP_MAX_DEVICES; j2++) { | |
| const char *id2 = (char *)(*devs)[j2].id; | |
| if (!id2[0]) | |
| break; | |
| if (!strcmp(id, id2)) { | |
| dup = 1; | |
| break; | |
| } | |
| } | |
| } | |
| /* add an individual alias for every device entry */ | |
| if (!dup) { | |
| char acpi_id[PNP_ID_LEN]; | |
| int k; | |
| buf_printf(&mod->dev_table_buf, | |
| "MODULE_ALIAS(\"pnp:d%s*\");\n", id); | |
| /* fix broken pnp bus lowercasing */ | |
| for (k = 0; k < sizeof(acpi_id); k++) | |
| acpi_id[k] = toupper(id[k]); | |
| buf_printf(&mod->dev_table_buf, | |
| "MODULE_ALIAS(\"acpi*:%s:*\");\n", acpi_id); | |
| } | |
| } | |
| } | |
| } | |
| /* Looks like: pcmcia:mNcNfNfnNpfnNvaNvbNvcNvdN. */ | |
| static int do_pcmcia_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| unsigned int i; | |
| DEF_FIELD(symval, pcmcia_device_id, match_flags); | |
| DEF_FIELD(symval, pcmcia_device_id, manf_id); | |
| DEF_FIELD(symval, pcmcia_device_id, card_id); | |
| DEF_FIELD(symval, pcmcia_device_id, func_id); | |
| DEF_FIELD(symval, pcmcia_device_id, function); | |
| DEF_FIELD(symval, pcmcia_device_id, device_no); | |
| DEF_FIELD_ADDR(symval, pcmcia_device_id, prod_id_hash); | |
| for (i=0; i<4; i++) { | |
| (*prod_id_hash)[i] = TO_NATIVE((*prod_id_hash)[i]); | |
| } | |
| strcpy(alias, "pcmcia:"); | |
| ADD(alias, "m", match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID, | |
| manf_id); | |
| ADD(alias, "c", match_flags & PCMCIA_DEV_ID_MATCH_CARD_ID, | |
| card_id); | |
| ADD(alias, "f", match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID, | |
| func_id); | |
| ADD(alias, "fn", match_flags & PCMCIA_DEV_ID_MATCH_FUNCTION, | |
| function); | |
| ADD(alias, "pfn", match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO, | |
| device_no); | |
| ADD(alias, "pa", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1, (*prod_id_hash)[0]); | |
| ADD(alias, "pb", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2, (*prod_id_hash)[1]); | |
| ADD(alias, "pc", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3, (*prod_id_hash)[2]); | |
| ADD(alias, "pd", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4, (*prod_id_hash)[3]); | |
| add_wildcard(alias); | |
| return 1; | |
| } | |
| static int do_vio_entry(const char *filename, void *symval, | |
| char *alias) | |
| { | |
| char *tmp; | |
| DEF_FIELD_ADDR(symval, vio_device_id, type); | |
| DEF_FIELD_ADDR(symval, vio_device_id, compat); | |
| sprintf(alias, "vio:T%sS%s", (*type)[0] ? *type : "*", | |
| (*compat)[0] ? *compat : "*"); | |
| /* Replace all whitespace with underscores */ | |
| for (tmp = alias; tmp && *tmp; tmp++) | |
| if (isspace (*tmp)) | |
| *tmp = '_'; | |
| add_wildcard(alias); | |
| return 1; | |
| } | |
| #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) | |
| static void do_input(char *alias, | |
| kernel_ulong_t *arr, unsigned int min, unsigned int max) | |
| { | |
| unsigned int i; | |
| for (i = min / BITS_PER_LONG; i < max / BITS_PER_LONG + 1; i++) | |
| arr[i] = TO_NATIVE(arr[i]); | |
| for (i = min; i < max; i++) | |
| if (arr[i / BITS_PER_LONG] & (1L << (i%BITS_PER_LONG))) | |
| sprintf(alias + strlen(alias), "%X,*", i); | |
| } | |
| /* input:b0v0p0e0-eXkXrXaXmXlXsXfXwX where X is comma-separated %02X. */ | |
| static int do_input_entry(const char *filename, void *symval, | |
| char *alias) | |
| { | |
| DEF_FIELD(symval, input_device_id, flags); | |
| DEF_FIELD(symval, input_device_id, bustype); | |
| DEF_FIELD(symval, input_device_id, vendor); | |
| DEF_FIELD(symval, input_device_id, product); | |
| DEF_FIELD(symval, input_device_id, version); | |
| DEF_FIELD_ADDR(symval, input_device_id, evbit); | |
| DEF_FIELD_ADDR(symval, input_device_id, keybit); | |
| DEF_FIELD_ADDR(symval, input_device_id, relbit); | |
| DEF_FIELD_ADDR(symval, input_device_id, absbit); | |
| DEF_FIELD_ADDR(symval, input_device_id, mscbit); | |
| DEF_FIELD_ADDR(symval, input_device_id, ledbit); | |
| DEF_FIELD_ADDR(symval, input_device_id, sndbit); | |
| DEF_FIELD_ADDR(symval, input_device_id, ffbit); | |
| DEF_FIELD_ADDR(symval, input_device_id, swbit); | |
| sprintf(alias, "input:"); | |
| ADD(alias, "b", flags & INPUT_DEVICE_ID_MATCH_BUS, bustype); | |
| ADD(alias, "v", flags & INPUT_DEVICE_ID_MATCH_VENDOR, vendor); | |
| ADD(alias, "p", flags & INPUT_DEVICE_ID_MATCH_PRODUCT, product); | |
| ADD(alias, "e", flags & INPUT_DEVICE_ID_MATCH_VERSION, version); | |
| sprintf(alias + strlen(alias), "-e*"); | |
| if (flags & INPUT_DEVICE_ID_MATCH_EVBIT) | |
| do_input(alias, *evbit, 0, INPUT_DEVICE_ID_EV_MAX); | |
| sprintf(alias + strlen(alias), "k*"); | |
| if (flags & INPUT_DEVICE_ID_MATCH_KEYBIT) | |
| do_input(alias, *keybit, | |
| INPUT_DEVICE_ID_KEY_MIN_INTERESTING, | |
| INPUT_DEVICE_ID_KEY_MAX); | |
| sprintf(alias + strlen(alias), "r*"); | |
| if (flags & INPUT_DEVICE_ID_MATCH_RELBIT) | |
| do_input(alias, *relbit, 0, INPUT_DEVICE_ID_REL_MAX); | |
| sprintf(alias + strlen(alias), "a*"); | |
| if (flags & INPUT_DEVICE_ID_MATCH_ABSBIT) | |
| do_input(alias, *absbit, 0, INPUT_DEVICE_ID_ABS_MAX); | |
| sprintf(alias + strlen(alias), "m*"); | |
| if (flags & INPUT_DEVICE_ID_MATCH_MSCIT) | |
| do_input(alias, *mscbit, 0, INPUT_DEVICE_ID_MSC_MAX); | |
| sprintf(alias + strlen(alias), "l*"); | |
| if (flags & INPUT_DEVICE_ID_MATCH_LEDBIT) | |
| do_input(alias, *ledbit, 0, INPUT_DEVICE_ID_LED_MAX); | |
| sprintf(alias + strlen(alias), "s*"); | |
| if (flags & INPUT_DEVICE_ID_MATCH_SNDBIT) | |
| do_input(alias, *sndbit, 0, INPUT_DEVICE_ID_SND_MAX); | |
| sprintf(alias + strlen(alias), "f*"); | |
| if (flags & INPUT_DEVICE_ID_MATCH_FFBIT) | |
| do_input(alias, *ffbit, 0, INPUT_DEVICE_ID_FF_MAX); | |
| sprintf(alias + strlen(alias), "w*"); | |
| if (flags & INPUT_DEVICE_ID_MATCH_SWBIT) | |
| do_input(alias, *swbit, 0, INPUT_DEVICE_ID_SW_MAX); | |
| return 1; | |
| } | |
| static int do_eisa_entry(const char *filename, void *symval, | |
| char *alias) | |
| { | |
| DEF_FIELD_ADDR(symval, eisa_device_id, sig); | |
| if (sig[0]) | |
| sprintf(alias, EISA_DEVICE_MODALIAS_FMT "*", *sig); | |
| else | |
| strcat(alias, "*"); | |
| return 1; | |
| } | |
| /* Looks like: parisc:tNhvNrevNsvN */ | |
| static int do_parisc_entry(const char *filename, void *symval, | |
| char *alias) | |
| { | |
| DEF_FIELD(symval, parisc_device_id, hw_type); | |
| DEF_FIELD(symval, parisc_device_id, hversion); | |
| DEF_FIELD(symval, parisc_device_id, hversion_rev); | |
| DEF_FIELD(symval, parisc_device_id, sversion); | |
| strcpy(alias, "parisc:"); | |
| ADD(alias, "t", hw_type != PA_HWTYPE_ANY_ID, hw_type); | |
| ADD(alias, "hv", hversion != PA_HVERSION_ANY_ID, hversion); | |
| ADD(alias, "rev", hversion_rev != PA_HVERSION_REV_ANY_ID, hversion_rev); | |
| ADD(alias, "sv", sversion != PA_SVERSION_ANY_ID, sversion); | |
| add_wildcard(alias); | |
| return 1; | |
| } | |
| /* Looks like: sdio:cNvNdN. */ | |
| static int do_sdio_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, sdio_device_id, class); | |
| DEF_FIELD(symval, sdio_device_id, vendor); | |
| DEF_FIELD(symval, sdio_device_id, device); | |
| strcpy(alias, "sdio:"); | |
| ADD(alias, "c", class != (__u8)SDIO_ANY_ID, class); | |
| ADD(alias, "v", vendor != (__u16)SDIO_ANY_ID, vendor); | |
| ADD(alias, "d", device != (__u16)SDIO_ANY_ID, device); | |
| add_wildcard(alias); | |
| return 1; | |
| } | |
| /* Looks like: ssb:vNidNrevN. */ | |
| static int do_ssb_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, ssb_device_id, vendor); | |
| DEF_FIELD(symval, ssb_device_id, coreid); | |
| DEF_FIELD(symval, ssb_device_id, revision); | |
| strcpy(alias, "ssb:"); | |
| ADD(alias, "v", vendor != SSB_ANY_VENDOR, vendor); | |
| ADD(alias, "id", coreid != SSB_ANY_ID, coreid); | |
| ADD(alias, "rev", revision != SSB_ANY_REV, revision); | |
| add_wildcard(alias); | |
| return 1; | |
| } | |
| /* Looks like: bcma:mNidNrevNclN. */ | |
| static int do_bcma_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, bcma_device_id, manuf); | |
| DEF_FIELD(symval, bcma_device_id, id); | |
| DEF_FIELD(symval, bcma_device_id, rev); | |
| DEF_FIELD(symval, bcma_device_id, class); | |
| strcpy(alias, "bcma:"); | |
| ADD(alias, "m", manuf != BCMA_ANY_MANUF, manuf); | |
| ADD(alias, "id", id != BCMA_ANY_ID, id); | |
| ADD(alias, "rev", rev != BCMA_ANY_REV, rev); | |
| ADD(alias, "cl", class != BCMA_ANY_CLASS, class); | |
| add_wildcard(alias); | |
| return 1; | |
| } | |
| /* Looks like: virtio:dNvN */ | |
| static int do_virtio_entry(const char *filename, void *symval, | |
| char *alias) | |
| { | |
| DEF_FIELD(symval, virtio_device_id, device); | |
| DEF_FIELD(symval, virtio_device_id, vendor); | |
| strcpy(alias, "virtio:"); | |
| ADD(alias, "d", device != VIRTIO_DEV_ANY_ID, device); | |
| ADD(alias, "v", vendor != VIRTIO_DEV_ANY_ID, vendor); | |
| add_wildcard(alias); | |
| return 1; | |
| } | |
| /* | |
| * Looks like: vmbus:guid | |
| * Each byte of the guid will be represented by two hex characters | |
| * in the name. | |
| */ | |
| static int do_vmbus_entry(const char *filename, void *symval, | |
| char *alias) | |
| { | |
| int i; | |
| DEF_FIELD_ADDR(symval, hv_vmbus_device_id, guid); | |
| char guid_name[(sizeof(*guid) + 1) * 2]; | |
| for (i = 0; i < (sizeof(*guid) * 2); i += 2) | |
| sprintf(&guid_name[i], "%02x", TO_NATIVE((guid->b)[i/2])); | |
| strcpy(alias, "vmbus:"); | |
| strcat(alias, guid_name); | |
| return 1; | |
| } | |
| /* Looks like: i2c:S */ | |
| static int do_i2c_entry(const char *filename, void *symval, | |
| char *alias) | |
| { | |
| DEF_FIELD_ADDR(symval, i2c_device_id, name); | |
| sprintf(alias, I2C_MODULE_PREFIX "%s", *name); | |
| return 1; | |
| } | |
| /* Looks like: spi:S */ | |
| static int do_spi_entry(const char *filename, void *symval, | |
| char *alias) | |
| { | |
| DEF_FIELD_ADDR(symval, spi_device_id, name); | |
| sprintf(alias, SPI_MODULE_PREFIX "%s", *name); | |
| return 1; | |
| } | |
| static const struct dmifield { | |
| const char *prefix; | |
| int field; | |
| } dmi_fields[] = { | |
| { "bvn", DMI_BIOS_VENDOR }, | |
| { "bvr", DMI_BIOS_VERSION }, | |
| { "bd", DMI_BIOS_DATE }, | |
| { "svn", DMI_SYS_VENDOR }, | |
| { "pn", DMI_PRODUCT_NAME }, | |
| { "pvr", DMI_PRODUCT_VERSION }, | |
| { "rvn", DMI_BOARD_VENDOR }, | |
| { "rn", DMI_BOARD_NAME }, | |
| { "rvr", DMI_BOARD_VERSION }, | |
| { "cvn", DMI_CHASSIS_VENDOR }, | |
| { "ct", DMI_CHASSIS_TYPE }, | |
| { "cvr", DMI_CHASSIS_VERSION }, | |
| { NULL, DMI_NONE } | |
| }; | |
| static void dmi_ascii_filter(char *d, const char *s) | |
| { | |
| /* Filter out characters we don't want to see in the modalias string */ | |
| for (; *s; s++) | |
| if (*s > ' ' && *s < 127 && *s != ':') | |
| *(d++) = *s; | |
| *d = 0; | |
| } | |
| static int do_dmi_entry(const char *filename, void *symval, | |
| char *alias) | |
| { | |
| int i, j; | |
| DEF_FIELD_ADDR(symval, dmi_system_id, matches); | |
| sprintf(alias, "dmi*"); | |
| for (i = 0; i < ARRAY_SIZE(dmi_fields); i++) { | |
| for (j = 0; j < 4; j++) { | |
| if ((*matches)[j].slot && | |
| (*matches)[j].slot == dmi_fields[i].field) { | |
| sprintf(alias + strlen(alias), ":%s*", | |
| dmi_fields[i].prefix); | |
| dmi_ascii_filter(alias + strlen(alias), | |
| (*matches)[j].substr); | |
| strcat(alias, "*"); | |
| } | |
| } | |
| } | |
| strcat(alias, ":"); | |
| return 1; | |
| } | |
| static int do_platform_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD_ADDR(symval, platform_device_id, name); | |
| sprintf(alias, PLATFORM_MODULE_PREFIX "%s", *name); | |
| return 1; | |
| } | |
| static int do_mdio_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| int i; | |
| DEF_FIELD(symval, mdio_device_id, phy_id); | |
| DEF_FIELD(symval, mdio_device_id, phy_id_mask); | |
| alias += sprintf(alias, MDIO_MODULE_PREFIX); | |
| for (i = 0; i < 32; i++) { | |
| if (!((phy_id_mask >> (31-i)) & 1)) | |
| *(alias++) = '?'; | |
| else if ((phy_id >> (31-i)) & 1) | |
| *(alias++) = '1'; | |
| else | |
| *(alias++) = '0'; | |
| } | |
| /* Terminate the string */ | |
| *alias = 0; | |
| return 1; | |
| } | |
| /* Looks like: zorro:iN. */ | |
| static int do_zorro_entry(const char *filename, void *symval, | |
| char *alias) | |
| { | |
| DEF_FIELD(symval, zorro_device_id, id); | |
| strcpy(alias, "zorro:"); | |
| ADD(alias, "i", id != ZORRO_WILDCARD, id); | |
| return 1; | |
| } | |
| /* looks like: "pnp:dD" */ | |
| static int do_isapnp_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, isapnp_device_id, vendor); | |
| DEF_FIELD(symval, isapnp_device_id, function); | |
| sprintf(alias, "pnp:d%c%c%c%x%x%x%x*", | |
| 'A' + ((vendor >> 2) & 0x3f) - 1, | |
| 'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1, | |
| 'A' + ((vendor >> 8) & 0x1f) - 1, | |
| (function >> 4) & 0x0f, function & 0x0f, | |
| (function >> 12) & 0x0f, (function >> 8) & 0x0f); | |
| return 1; | |
| } | |
| /* Looks like: "ipack:fNvNdN". */ | |
| static int do_ipack_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, ipack_device_id, format); | |
| DEF_FIELD(symval, ipack_device_id, vendor); | |
| DEF_FIELD(symval, ipack_device_id, device); | |
| strcpy(alias, "ipack:"); | |
| ADD(alias, "f", format != IPACK_ANY_FORMAT, format); | |
| ADD(alias, "v", vendor != IPACK_ANY_ID, vendor); | |
| ADD(alias, "d", device != IPACK_ANY_ID, device); | |
| add_wildcard(alias); | |
| return 1; | |
| } | |
| /* | |
| * Append a match expression for a single masked hex digit. | |
| * outp points to a pointer to the character at which to append. | |
| * *outp is updated on return to point just after the appended text, | |
| * to facilitate further appending. | |
| */ | |
| static void append_nibble_mask(char **outp, | |
| unsigned int nibble, unsigned int mask) | |
| { | |
| char *p = *outp; | |
| unsigned int i; | |
| switch (mask) { | |
| case 0: | |
| *p++ = '?'; | |
| break; | |
| case 0xf: | |
| p += sprintf(p, "%X", nibble); | |
| break; | |
| default: | |
| /* | |
| * Dumbly emit a match pattern for all possible matching | |
| * digits. This could be improved in some cases using ranges, | |
| * but it has the advantage of being trivially correct, and is | |
| * often optimal. | |
| */ | |
| *p++ = '['; | |
| for (i = 0; i < 0x10; i++) | |
| if ((i & mask) == nibble) | |
| p += sprintf(p, "%X", i); | |
| *p++ = ']'; | |
| } | |
| /* Ensure that the string remains NUL-terminated: */ | |
| *p = '\0'; | |
| /* Advance the caller's end-of-string pointer: */ | |
| *outp = p; | |
| } | |
| /* | |
| * looks like: "amba:dN" | |
| * | |
| * N is exactly 8 digits, where each is an upper-case hex digit, or | |
| * a ? or [] pattern matching exactly one digit. | |
| */ | |
| static int do_amba_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| unsigned int digit; | |
| char *p = alias; | |
| DEF_FIELD(symval, amba_id, id); | |
| DEF_FIELD(symval, amba_id, mask); | |
| if ((id & mask) != id) | |
| fatal("%s: Masked-off bit(s) of AMBA device ID are non-zero: " | |
| "id=0x%08X, mask=0x%08X. Please fix this driver.\n", | |
| filename, id, mask); | |
| p += sprintf(alias, "amba:d"); | |
| for (digit = 0; digit < 8; digit++) | |
| append_nibble_mask(&p, | |
| (id >> (4 * (7 - digit))) & 0xf, | |
| (mask >> (4 * (7 - digit))) & 0xf); | |
| return 1; | |
| } | |
| /* | |
| * looks like: "mipscdmm:tN" | |
| * | |
| * N is exactly 2 digits, where each is an upper-case hex digit, or | |
| * a ? or [] pattern matching exactly one digit. | |
| */ | |
| static int do_mips_cdmm_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, mips_cdmm_device_id, type); | |
| sprintf(alias, "mipscdmm:t%02X*", type); | |
| return 1; | |
| } | |
| /* LOOKS like cpu:type:x86,venVVVVfamFFFFmodMMMM:feature:*,FEAT,* | |
| * All fields are numbers. It would be nicer to use strings for vendor | |
| * and feature, but getting those out of the build system here is too | |
| * complicated. | |
| */ | |
| static int do_x86cpu_entry(const char *filename, void *symval, | |
| char *alias) | |
| { | |
| DEF_FIELD(symval, x86_cpu_id, feature); | |
| DEF_FIELD(symval, x86_cpu_id, family); | |
| DEF_FIELD(symval, x86_cpu_id, model); | |
| DEF_FIELD(symval, x86_cpu_id, vendor); | |
| strcpy(alias, "cpu:type:x86,"); | |
| ADD(alias, "ven", vendor != X86_VENDOR_ANY, vendor); | |
| ADD(alias, "fam", family != X86_FAMILY_ANY, family); | |
| ADD(alias, "mod", model != X86_MODEL_ANY, model); | |
| strcat(alias, ":feature:*"); | |
| if (feature != X86_FEATURE_ANY) | |
| sprintf(alias + strlen(alias), "%04X*", feature); | |
| return 1; | |
| } | |
| /* LOOKS like cpu:type:*:feature:*FEAT* */ | |
| static int do_cpu_entry(const char *filename, void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, cpu_feature, feature); | |
| sprintf(alias, "cpu:type:*:feature:*%04X*", feature); | |
| return 1; | |
| } | |
| /* Looks like: mei:S:uuid:N:* */ | |
| static int do_mei_entry(const char *filename, void *symval, | |
| char *alias) | |
| { | |
| DEF_FIELD_ADDR(symval, mei_cl_device_id, name); | |
| DEF_FIELD_ADDR(symval, mei_cl_device_id, uuid); | |
| DEF_FIELD(symval, mei_cl_device_id, version); | |
| sprintf(alias, MEI_CL_MODULE_PREFIX); | |
| sprintf(alias + strlen(alias), "%s:", (*name)[0] ? *name : "*"); | |
| add_uuid(alias, *uuid); | |
| ADD(alias, ":", version != MEI_CL_VERSION_ANY, version); | |
| strcat(alias, ":*"); | |
| return 1; | |
| } | |
| /* Looks like: rapidio:vNdNavNadN */ | |
| static int do_rio_entry(const char *filename, | |
| void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, rio_device_id, did); | |
| DEF_FIELD(symval, rio_device_id, vid); | |
| DEF_FIELD(symval, rio_device_id, asm_did); | |
| DEF_FIELD(symval, rio_device_id, asm_vid); | |
| strcpy(alias, "rapidio:"); | |
| ADD(alias, "v", vid != RIO_ANY_ID, vid); | |
| ADD(alias, "d", did != RIO_ANY_ID, did); | |
| ADD(alias, "av", asm_vid != RIO_ANY_ID, asm_vid); | |
| ADD(alias, "ad", asm_did != RIO_ANY_ID, asm_did); | |
| add_wildcard(alias); | |
| return 1; | |
| } | |
| /* Looks like: ulpi:vNpN */ | |
| static int do_ulpi_entry(const char *filename, void *symval, | |
| char *alias) | |
| { | |
| DEF_FIELD(symval, ulpi_device_id, vendor); | |
| DEF_FIELD(symval, ulpi_device_id, product); | |
| sprintf(alias, "ulpi:v%04xp%04x", vendor, product); | |
| return 1; | |
| } | |
| /* Looks like: hdaudio:vNrNaN */ | |
| static int do_hda_entry(const char *filename, void *symval, char *alias) | |
| { | |
| DEF_FIELD(symval, hda_device_id, vendor_id); | |
| DEF_FIELD(symval, hda_device_id, rev_id); | |
| DEF_FIELD(symval, hda_device_id, api_version); | |
| strcpy(alias, "hdaudio:"); | |
| ADD(alias, "v", vendor_id != 0, vendor_id); | |
| ADD(alias, "r", rev_id != 0, rev_id); | |
| ADD(alias, "a", api_version != 0, api_version); | |
| add_wildcard(alias); | |
| return 1; | |
| } | |
| /* Looks like: fsl-mc:vNdN */ | |
| static int do_fsl_mc_entry(const char *filename, void *symval, | |
| char *alias) | |
| { | |
| DEF_FIELD(symval, fsl_mc_device_id, vendor); | |
| DEF_FIELD_ADDR(symval, fsl_mc_device_id, obj_type); | |
| sprintf(alias, "fsl-mc:v%08Xd%s", vendor, *obj_type); | |
| return 1; | |
| } | |
| /* Does namelen bytes of name exactly match the symbol? */ | |
| static bool sym_is(const char *name, unsigned namelen, const char *symbol) | |
| { | |
| if (namelen != strlen(symbol)) | |
| return false; | |
| return memcmp(name, symbol, namelen) == 0; | |
| } | |
| static void do_table(void *symval, unsigned long size, | |
| unsigned long id_size, | |
| const char *device_id, | |
| int (*do_entry)(const char *filename, void *symval, char *alias), | |
| struct module *mod) | |
| { | |
| unsigned int i; | |
| char alias[500]; | |
| device_id_check(mod->name, device_id, size, id_size, symval); | |
| /* Leave last one: it's the terminator. */ | |
| size -= id_size; | |
| for (i = 0; i < size; i += id_size) { | |
| if (do_entry(mod->name, symval+i, alias)) { | |
| buf_printf(&mod->dev_table_buf, | |
| "MODULE_ALIAS(\"%s\");\n", alias); | |
| } | |
| } | |
| } | |
| static const struct devtable devtable[] = { | |
| {"hid", SIZE_hid_device_id, do_hid_entry}, | |
| {"ieee1394", SIZE_ieee1394_device_id, do_ieee1394_entry}, | |
| {"pci", SIZE_pci_device_id, do_pci_entry}, | |
| {"ccw", SIZE_ccw_device_id, do_ccw_entry}, | |
| {"ap", SIZE_ap_device_id, do_ap_entry}, | |
| {"css", SIZE_css_device_id, do_css_entry}, | |
| {"serio", SIZE_serio_device_id, do_serio_entry}, | |
| {"acpi", SIZE_acpi_device_id, do_acpi_entry}, | |
| {"pcmcia", SIZE_pcmcia_device_id, do_pcmcia_entry}, | |
| {"vio", SIZE_vio_device_id, do_vio_entry}, | |
| {"input", SIZE_input_device_id, do_input_entry}, | |
| {"eisa", SIZE_eisa_device_id, do_eisa_entry}, | |
| {"parisc", SIZE_parisc_device_id, do_parisc_entry}, | |
| {"sdio", SIZE_sdio_device_id, do_sdio_entry}, | |
| {"ssb", SIZE_ssb_device_id, do_ssb_entry}, | |
| {"bcma", SIZE_bcma_device_id, do_bcma_entry}, | |
| {"virtio", SIZE_virtio_device_id, do_virtio_entry}, | |
| {"vmbus", SIZE_hv_vmbus_device_id, do_vmbus_entry}, | |
| {"i2c", SIZE_i2c_device_id, do_i2c_entry}, | |
| {"spi", SIZE_spi_device_id, do_spi_entry}, | |
| {"dmi", SIZE_dmi_system_id, do_dmi_entry}, | |
| {"platform", SIZE_platform_device_id, do_platform_entry}, | |
| {"mdio", SIZE_mdio_device_id, do_mdio_entry}, | |
| {"zorro", SIZE_zorro_device_id, do_zorro_entry}, | |
| {"isapnp", SIZE_isapnp_device_id, do_isapnp_entry}, | |
| {"ipack", SIZE_ipack_device_id, do_ipack_entry}, | |
| {"amba", SIZE_amba_id, do_amba_entry}, | |
| {"mipscdmm", SIZE_mips_cdmm_device_id, do_mips_cdmm_entry}, | |
| {"x86cpu", SIZE_x86_cpu_id, do_x86cpu_entry}, | |
| {"cpu", SIZE_cpu_feature, do_cpu_entry}, | |
| {"mei", SIZE_mei_cl_device_id, do_mei_entry}, | |
| {"rapidio", SIZE_rio_device_id, do_rio_entry}, | |
| {"ulpi", SIZE_ulpi_device_id, do_ulpi_entry}, | |
| {"hdaudio", SIZE_hda_device_id, do_hda_entry}, | |
| {"fslmc", SIZE_fsl_mc_device_id, do_fsl_mc_entry}, | |
| }; | |
| /* Create MODULE_ALIAS() statements. | |
| * At this time, we cannot write the actual output C source yet, | |
| * so we write into the mod->dev_table_buf buffer. */ | |
| void handle_moddevtable(struct module *mod, struct elf_info *info, | |
| Elf_Sym *sym, const char *symname) | |
| { | |
| void *symval; | |
| char *zeros = NULL; | |
| const char *name, *identifier; | |
| unsigned int namelen; | |
| /* We're looking for a section relative symbol */ | |
| if (!sym->st_shndx || get_secindex(info, sym) >= info->num_sections) | |
| return; | |
| /* We're looking for an object */ | |
| if (ELF_ST_TYPE(sym->st_info) != STT_OBJECT) | |
| return; | |
| /* All our symbols are of form <prefix>__mod_<name>__<identifier>_device_table. */ | |
| name = strstr(symname, "__mod_"); | |
| if (!name) | |
| return; | |
| name += strlen("__mod_"); | |
| namelen = strlen(name); | |
| if (namelen < strlen("_device_table")) | |
| return; | |
| if (strcmp(name + namelen - strlen("_device_table"), "_device_table")) | |
| return; | |
| identifier = strstr(name, "__"); | |
| if (!identifier) | |
| return; | |
| namelen = identifier - name; | |
| /* Handle all-NULL symbols allocated into .bss */ | |
| if (info->sechdrs[get_secindex(info, sym)].sh_type & SHT_NOBITS) { | |
| zeros = calloc(1, sym->st_size); | |
| symval = zeros; | |
| } else { | |
| symval = (void *)info->hdr | |
| + info->sechdrs[get_secindex(info, sym)].sh_offset | |
| + sym->st_value; | |
| } | |
| /* First handle the "special" cases */ | |
| if (sym_is(name, namelen, "usb")) | |
| do_usb_table(symval, sym->st_size, mod); | |
| if (sym_is(name, namelen, "of")) | |
| do_of_table(symval, sym->st_size, mod); | |
| else if (sym_is(name, namelen, "pnp")) | |
| do_pnp_device_entry(symval, sym->st_size, mod); | |
| else if (sym_is(name, namelen, "pnp_card")) | |
| do_pnp_card_entries(symval, sym->st_size, mod); | |
| else { | |
| int i; | |
| for (i = 0; i < ARRAY_SIZE(devtable); i++) { | |
| const struct devtable *p = &devtable[i]; | |
| if (sym_is(name, namelen, p->device_id)) { | |
| do_table(symval, sym->st_size, p->id_size, | |
| p->device_id, p->do_entry, mod); | |
| break; | |
| } | |
| } | |
| } | |
| free(zeros); | |
| } | |
| /* Now add out buffered information to the generated C source */ | |
| void add_moddevtable(struct buffer *buf, struct module *mod) | |
| { | |
| buf_printf(buf, "\n"); | |
| buf_write(buf, mod->dev_table_buf.p, mod->dev_table_buf.pos); | |
| free(mod->dev_table_buf.p); | |
| } |