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scripts/mod/file2alias.c
29.6 KB
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/* 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" /* 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; |
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#define BITS_PER_LONG 32 |
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#else typedef Elf64_Addr kernel_ulong_t; |
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#define BITS_PER_LONG 64 |
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#endif #ifdef __sun__ #include <inttypes.h> #else #include <stdint.h> #endif |
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#include <ctype.h> |
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typedef uint32_t __u32; typedef uint16_t __u16; typedef unsigned char __u8; /* Big exception to the "don't include kernel headers into userspace, which |
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* even potentially has different endianness and word sizes, since |
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* we handle those differences explicitly below */ #include "../../include/linux/mod_devicetable.h" #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) |
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/* Always 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, "*"); } |
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unsigned int cross_build = 0; |
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/** * 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. |
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* Also verify that the final entry in the table is all zeros. |
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* Ignore both checks if build host differ from target host and size differs. |
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**/ |
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static void device_id_check(const char *modname, const char *device_id, unsigned long size, unsigned long id_size, void *symval) |
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{ |
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int i; |
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if (size % id_size || size < id_size) { |
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if (cross_build != 0) return; |
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fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo " "of the size of section __mod_%s_device_table=%lu. " "Fix definition of struct %s_device_id " "in mod_devicetable.h ", modname, device_id, id_size, device_id, size, device_id); } |
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/* 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: ", 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," "); fatal("%s: struct %s_device_id is not terminated " "with a NULL entry! ", modname, device_id); } } |
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} |
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/* USB is special because the bcdDevice can be matched against a numeric range */ /* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipN" */ static void do_usb_entry(struct usb_device_id *id, unsigned int bcdDevice_initial, int bcdDevice_initial_digits, unsigned char range_lo, unsigned char range_hi, |
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unsigned char max, struct module *mod) |
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{ |
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char alias[500]; |
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strcpy(alias, "usb:"); ADD(alias, "v", id->match_flags&USB_DEVICE_ID_MATCH_VENDOR, id->idVendor); ADD(alias, "p", id->match_flags&USB_DEVICE_ID_MATCH_PRODUCT, id->idProduct); |
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strcat(alias, "d"); if (bcdDevice_initial_digits) sprintf(alias + strlen(alias), "%0*X", bcdDevice_initial_digits, bcdDevice_initial); if (range_lo == range_hi) |
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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_lo); } } |
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if (bcdDevice_initial_digits < (sizeof(id->bcdDevice_lo) * 2 - 1)) strcat(alias, "*"); |
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ADD(alias, "dc", id->match_flags&USB_DEVICE_ID_MATCH_DEV_CLASS, id->bDeviceClass); ADD(alias, "dsc", id->match_flags&USB_DEVICE_ID_MATCH_DEV_SUBCLASS, id->bDeviceSubClass); ADD(alias, "dp", id->match_flags&USB_DEVICE_ID_MATCH_DEV_PROTOCOL, id->bDeviceProtocol); ADD(alias, "ic", id->match_flags&USB_DEVICE_ID_MATCH_INT_CLASS, id->bInterfaceClass); ADD(alias, "isc", id->match_flags&USB_DEVICE_ID_MATCH_INT_SUBCLASS, id->bInterfaceSubClass); ADD(alias, "ip", id->match_flags&USB_DEVICE_ID_MATCH_INT_PROTOCOL, id->bInterfaceProtocol); |
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add_wildcard(alias); |
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buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\"); ", alias); } |
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/* 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; } |
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static void do_usb_entry_multi(struct usb_device_id *id, struct module *mod) { unsigned int devlo, devhi; |
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unsigned char chi, clo, max; |
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int ndigits; id->match_flags = TO_NATIVE(id->match_flags); id->idVendor = TO_NATIVE(id->idVendor); id->idProduct = TO_NATIVE(id->idProduct); devlo = id->match_flags & USB_DEVICE_ID_MATCH_DEV_LO ? TO_NATIVE(id->bcdDevice_lo) : 0x0U; devhi = id->match_flags & USB_DEVICE_ID_MATCH_DEV_HI ? TO_NATIVE(id->bcdDevice_hi) : ~0x0U; |
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/* Figure out if this entry is in bcd or hex format */ max = 0x9; /* Default to decimal format */ for (ndigits = 0 ; ndigits < sizeof(id->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; } } |
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/* * Some modules (visor) have empty slots as placeholder for * run-time specification that results in catch-all alias */ |
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if (!(id->idVendor | id->idProduct | id->bDeviceClass | id->bInterfaceClass)) |
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return; /* Convert numeric bcdDevice range into fnmatch-able pattern(s) */ for (ndigits = sizeof(id->bcdDevice_lo) * 2 - 1; devlo <= devhi; ndigits--) { clo = devlo & 0xf; chi = devhi & 0xf; |
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if (chi > max) /* If we are in bcd mode, truncate if necessary */ chi = max; |
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devlo >>= 4; devhi >>= 4; if (devlo == devhi || !ndigits) { |
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do_usb_entry(id, devlo, ndigits, clo, chi, max, mod); |
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break; } |
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if (clo > 0x0) |
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do_usb_entry(id, incbcd(&devlo, 1, max, sizeof(id->bcdDevice_lo) * 2), ndigits, clo, max, max, mod); |
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if (chi < max) |
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do_usb_entry(id, incbcd(&devhi, -1, max, sizeof(id->bcdDevice_lo) * 2), ndigits, 0x0, chi, max, mod); |
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} } static void do_usb_table(void *symval, unsigned long size, struct module *mod) { unsigned int i; const unsigned long id_size = sizeof(struct usb_device_id); |
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device_id_check(mod->name, "usb", size, id_size, symval); |
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/* 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); |
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} |
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/* Looks like: hid:bNvNpN */ static int do_hid_entry(const char *filename, struct hid_device_id *id, char *alias) { |
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id->bus = TO_NATIVE(id->bus); |
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id->vendor = TO_NATIVE(id->vendor); id->product = TO_NATIVE(id->product); sprintf(alias, "hid:b%04X", id->bus); ADD(alias, "v", id->vendor != HID_ANY_ID, id->vendor); ADD(alias, "p", id->product != HID_ANY_ID, id->product); return 1; } |
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/* Looks like: ieee1394:venNmoNspNverN */ static int do_ieee1394_entry(const char *filename, struct ieee1394_device_id *id, char *alias) { id->match_flags = TO_NATIVE(id->match_flags); id->vendor_id = TO_NATIVE(id->vendor_id); id->model_id = TO_NATIVE(id->model_id); id->specifier_id = TO_NATIVE(id->specifier_id); id->version = TO_NATIVE(id->version); strcpy(alias, "ieee1394:"); ADD(alias, "ven", id->match_flags & IEEE1394_MATCH_VENDOR_ID, id->vendor_id); ADD(alias, "mo", id->match_flags & IEEE1394_MATCH_MODEL_ID, id->model_id); ADD(alias, "sp", id->match_flags & IEEE1394_MATCH_SPECIFIER_ID, id->specifier_id); ADD(alias, "ver", id->match_flags & IEEE1394_MATCH_VERSION, id->version); |
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add_wildcard(alias); |
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return 1; } /* Looks like: pci:vNdNsvNsdNbcNscNiN. */ static int do_pci_entry(const char *filename, struct pci_device_id *id, char *alias) { /* Class field can be divided into these three. */ unsigned char baseclass, subclass, interface, baseclass_mask, subclass_mask, interface_mask; id->vendor = TO_NATIVE(id->vendor); id->device = TO_NATIVE(id->device); id->subvendor = TO_NATIVE(id->subvendor); id->subdevice = TO_NATIVE(id->subdevice); id->class = TO_NATIVE(id->class); id->class_mask = TO_NATIVE(id->class_mask); strcpy(alias, "pci:"); ADD(alias, "v", id->vendor != PCI_ANY_ID, id->vendor); ADD(alias, "d", id->device != PCI_ANY_ID, id->device); ADD(alias, "sv", id->subvendor != PCI_ANY_ID, id->subvendor); ADD(alias, "sd", id->subdevice != PCI_ANY_ID, id->subdevice); baseclass = (id->class) >> 16; baseclass_mask = (id->class_mask) >> 16; subclass = (id->class) >> 8; subclass_mask = (id->class_mask) >> 8; interface = id->class; interface_mask = id->class_mask; if ((baseclass_mask != 0 && baseclass_mask != 0xFF) || (subclass_mask != 0 && subclass_mask != 0xFF) || (interface_mask != 0 && interface_mask != 0xFF)) { |
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warn("Can't handle masks in %s:%04X ", filename, id->class_mask); |
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return 0; } ADD(alias, "bc", baseclass_mask == 0xFF, baseclass); ADD(alias, "sc", subclass_mask == 0xFF, subclass); ADD(alias, "i", interface_mask == 0xFF, interface); |
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add_wildcard(alias); |
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return 1; } |
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/* looks like: "ccw:tNmNdtNdmN" */ |
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static int do_ccw_entry(const char *filename, struct ccw_device_id *id, char *alias) { id->match_flags = TO_NATIVE(id->match_flags); id->cu_type = TO_NATIVE(id->cu_type); id->cu_model = TO_NATIVE(id->cu_model); id->dev_type = TO_NATIVE(id->dev_type); id->dev_model = TO_NATIVE(id->dev_model); strcpy(alias, "ccw:"); ADD(alias, "t", id->match_flags&CCW_DEVICE_ID_MATCH_CU_TYPE, id->cu_type); ADD(alias, "m", id->match_flags&CCW_DEVICE_ID_MATCH_CU_MODEL, id->cu_model); ADD(alias, "dt", id->match_flags&CCW_DEVICE_ID_MATCH_DEVICE_TYPE, id->dev_type); |
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ADD(alias, "dm", id->match_flags&CCW_DEVICE_ID_MATCH_DEVICE_MODEL, |
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id->dev_model); |
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add_wildcard(alias); |
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return 1; } |
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/* looks like: "ap:tN" */ static int do_ap_entry(const char *filename, struct ap_device_id *id, char *alias) { |
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sprintf(alias, "ap:t%02X*", id->dev_type); |
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return 1; } |
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/* looks like: "css:tN" */ static int do_css_entry(const char *filename, struct css_device_id *id, char *alias) { sprintf(alias, "css:t%01X", id->type); return 1; } |
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/* Looks like: "serio:tyNprNidNexN" */ static int do_serio_entry(const char *filename, struct serio_device_id *id, char *alias) { id->type = TO_NATIVE(id->type); id->proto = TO_NATIVE(id->proto); id->id = TO_NATIVE(id->id); id->extra = TO_NATIVE(id->extra); strcpy(alias, "serio:"); ADD(alias, "ty", id->type != SERIO_ANY, id->type); ADD(alias, "pr", id->proto != SERIO_ANY, id->proto); ADD(alias, "id", id->id != SERIO_ANY, id->id); ADD(alias, "ex", id->extra != SERIO_ANY, id->extra); |
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add_wildcard(alias); |
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return 1; } |
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/* looks like: "acpi:ACPI0003 or acpi:PNP0C0B" or "acpi:LNXVIDEO" */ static int do_acpi_entry(const char *filename, struct acpi_device_id *id, char *alias) { |
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sprintf(alias, "acpi*:%s:*", id->id); |
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return 1; } |
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/* looks like: "pnp:dD" */ |
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static void do_pnp_device_entry(void *symval, unsigned long size, struct module *mod) |
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{ |
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const unsigned long id_size = sizeof(struct pnp_device_id); |
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const unsigned int count = (size / id_size)-1; const struct pnp_device_id *devs = symval; unsigned int i; |
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device_id_check(mod->name, "pnp", size, id_size, symval); |
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for (i = 0; i < count; i++) { const char *id = (char *)devs[i].id; |
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char acpi_id[sizeof(devs[0].id)]; int j; |
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buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"pnp:d%s*\"); ", id); |
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/* fix broken pnp bus lowercasing */ for (j = 0; j < sizeof(acpi_id); j++) acpi_id[j] = toupper(id[j]); |
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buf_printf(&mod->dev_table_buf, |
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"MODULE_ALIAS(\"acpi*:%s:*\"); ", acpi_id); |
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} |
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} |
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/* looks like: "pnp:dD" for every device of the card */ static void do_pnp_card_entries(void *symval, unsigned long size, struct module *mod) |
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{ |
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const unsigned long id_size = sizeof(struct pnp_card_device_id); const unsigned int count = (size / id_size)-1; const struct pnp_card_device_id *cards = symval; unsigned int i; |
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device_id_check(mod->name, "pnp", size, id_size, symval); for (i = 0; i < count; i++) { unsigned int j; const struct pnp_card_device_id *card = &cards[i]; for (j = 0; j < PNP_MAX_DEVICES; j++) { const char *id = (char *)card->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++) { const struct pnp_card_device_id *card2 = &cards[i2]; for (j2 = 0; j2 < PNP_MAX_DEVICES; j2++) { const char *id2 = (char *)card2->devs[j2].id; if (!id2[0]) break; if (!strcmp(id, id2)) { dup = 1; break; } } } /* add an individual alias for every device entry */ |
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if (!dup) { |
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char acpi_id[sizeof(card->devs[0].id)]; int k; |
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buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"pnp:d%s*\"); ", id); |
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/* fix broken pnp bus lowercasing */ for (k = 0; k < sizeof(acpi_id); k++) acpi_id[k] = toupper(id[k]); |
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buf_printf(&mod->dev_table_buf, |
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"MODULE_ALIAS(\"acpi*:%s:*\"); ", acpi_id); |
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} |
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} |
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} |
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} |
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/* Looks like: pcmcia:mNcNfNfnNpfnNvaNvbNvcNvdN. */ static int do_pcmcia_entry(const char *filename, struct pcmcia_device_id *id, char *alias) { unsigned int i; |
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id->match_flags = TO_NATIVE(id->match_flags); |
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id->manf_id = TO_NATIVE(id->manf_id); id->card_id = TO_NATIVE(id->card_id); id->func_id = TO_NATIVE(id->func_id); id->function = TO_NATIVE(id->function); id->device_no = TO_NATIVE(id->device_no); |
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for (i=0; i<4; i++) { id->prod_id_hash[i] = TO_NATIVE(id->prod_id_hash[i]); } strcpy(alias, "pcmcia:"); ADD(alias, "m", id->match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID, id->manf_id); ADD(alias, "c", id->match_flags & PCMCIA_DEV_ID_MATCH_CARD_ID, id->card_id); ADD(alias, "f", id->match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID, id->func_id); ADD(alias, "fn", id->match_flags & PCMCIA_DEV_ID_MATCH_FUNCTION, id->function); ADD(alias, "pfn", id->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO, id->device_no); ADD(alias, "pa", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1, id->prod_id_hash[0]); ADD(alias, "pb", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2, id->prod_id_hash[1]); ADD(alias, "pc", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3, id->prod_id_hash[2]); ADD(alias, "pd", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4, id->prod_id_hash[3]); |
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add_wildcard(alias); |
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return 1; } |
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static int do_of_entry (const char *filename, struct of_device_id *of, char *alias) { |
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int len; |
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char *tmp; |
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len = sprintf (alias, "of:N%sT%s", |
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of->name[0] ? of->name : "*", |
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of->type[0] ? of->type : "*"); if (of->compatible[0]) sprintf (&alias[len], "%sC%s", of->type[0] ? "*" : "", of->compatible); |
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/* Replace all whitespace with underscores */ for (tmp = alias; tmp && *tmp; tmp++) if (isspace (*tmp)) *tmp = '_'; |
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add_wildcard(alias); |
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return 1; } |
fb120da67
|
549 550 551 552 553 554 555 556 557 558 559 560 |
static int do_vio_entry(const char *filename, struct vio_device_id *vio, char *alias) { char *tmp; sprintf(alias, "vio:T%sS%s", vio->type[0] ? vio->type : "*", vio->compat[0] ? vio->compat : "*"); /* Replace all whitespace with underscores */ for (tmp = alias; tmp && *tmp; tmp++) if (isspace (*tmp)) *tmp = '_'; |
ac5518289
|
561 |
add_wildcard(alias); |
fb120da67
|
562 563 |
return 1; } |
1d8f430c1
|
564 565 566 567 568 569 |
#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; |
ddc5d3414
|
570 571 |
for (i = min; i < max; i++) |
e0e926327
|
572 |
if (arr[i / BITS_PER_LONG] & (1L << (i%BITS_PER_LONG))) |
ddc5d3414
|
573 |
sprintf(alias + strlen(alias), "%X,*", i); |
1d8f430c1
|
574 575 576 577 578 579 580 |
} /* input:b0v0p0e0-eXkXrXaXmXlXsXfXwX where X is comma-separated %02X. */ static int do_input_entry(const char *filename, struct input_device_id *id, char *alias) { sprintf(alias, "input:"); |
ddc5d3414
|
581 582 583 584 |
ADD(alias, "b", id->flags & INPUT_DEVICE_ID_MATCH_BUS, id->bustype); ADD(alias, "v", id->flags & INPUT_DEVICE_ID_MATCH_VENDOR, id->vendor); ADD(alias, "p", id->flags & INPUT_DEVICE_ID_MATCH_PRODUCT, id->product); ADD(alias, "e", id->flags & INPUT_DEVICE_ID_MATCH_VERSION, id->version); |
1d8f430c1
|
585 586 |
sprintf(alias + strlen(alias), "-e*"); |
ddc5d3414
|
587 |
if (id->flags & INPUT_DEVICE_ID_MATCH_EVBIT) |
dc24f0e70
|
588 |
do_input(alias, id->evbit, 0, INPUT_DEVICE_ID_EV_MAX); |
1d8f430c1
|
589 |
sprintf(alias + strlen(alias), "k*"); |
ddc5d3414
|
590 |
if (id->flags & INPUT_DEVICE_ID_MATCH_KEYBIT) |
dc24f0e70
|
591 592 593 |
do_input(alias, id->keybit, INPUT_DEVICE_ID_KEY_MIN_INTERESTING, INPUT_DEVICE_ID_KEY_MAX); |
1d8f430c1
|
594 |
sprintf(alias + strlen(alias), "r*"); |
ddc5d3414
|
595 |
if (id->flags & INPUT_DEVICE_ID_MATCH_RELBIT) |
dc24f0e70
|
596 |
do_input(alias, id->relbit, 0, INPUT_DEVICE_ID_REL_MAX); |
1d8f430c1
|
597 |
sprintf(alias + strlen(alias), "a*"); |
ddc5d3414
|
598 |
if (id->flags & INPUT_DEVICE_ID_MATCH_ABSBIT) |
dc24f0e70
|
599 |
do_input(alias, id->absbit, 0, INPUT_DEVICE_ID_ABS_MAX); |
1d8f430c1
|
600 |
sprintf(alias + strlen(alias), "m*"); |
ddc5d3414
|
601 |
if (id->flags & INPUT_DEVICE_ID_MATCH_MSCIT) |
dc24f0e70
|
602 |
do_input(alias, id->mscbit, 0, INPUT_DEVICE_ID_MSC_MAX); |
1d8f430c1
|
603 |
sprintf(alias + strlen(alias), "l*"); |
ddc5d3414
|
604 |
if (id->flags & INPUT_DEVICE_ID_MATCH_LEDBIT) |
dc24f0e70
|
605 |
do_input(alias, id->ledbit, 0, INPUT_DEVICE_ID_LED_MAX); |
1d8f430c1
|
606 |
sprintf(alias + strlen(alias), "s*"); |
ddc5d3414
|
607 |
if (id->flags & INPUT_DEVICE_ID_MATCH_SNDBIT) |
dc24f0e70
|
608 |
do_input(alias, id->sndbit, 0, INPUT_DEVICE_ID_SND_MAX); |
1d8f430c1
|
609 |
sprintf(alias + strlen(alias), "f*"); |
ddc5d3414
|
610 |
if (id->flags & INPUT_DEVICE_ID_MATCH_FFBIT) |
dc24f0e70
|
611 |
do_input(alias, id->ffbit, 0, INPUT_DEVICE_ID_FF_MAX); |
1d8f430c1
|
612 |
sprintf(alias + strlen(alias), "w*"); |
ddc5d3414
|
613 |
if (id->flags & INPUT_DEVICE_ID_MATCH_SWBIT) |
dc24f0e70
|
614 |
do_input(alias, id->swbit, 0, INPUT_DEVICE_ID_SW_MAX); |
1d8f430c1
|
615 616 |
return 1; } |
07563c711
|
617 618 619 620 621 |
static int do_eisa_entry(const char *filename, struct eisa_device_id *eisa, char *alias) { if (eisa->sig[0]) sprintf(alias, EISA_DEVICE_MODALIAS_FMT "*", eisa->sig); |
ac5518289
|
622 623 |
else strcat(alias, "*"); |
07563c711
|
624 625 |
return 1; } |
f3cf26733
|
626 627 628 629 630 631 632 633 634 635 |
/* Looks like: parisc:tNhvNrevNsvN */ static int do_parisc_entry(const char *filename, struct parisc_device_id *id, char *alias) { id->hw_type = TO_NATIVE(id->hw_type); id->hversion = TO_NATIVE(id->hversion); id->hversion_rev = TO_NATIVE(id->hversion_rev); id->sversion = TO_NATIVE(id->sversion); strcpy(alias, "parisc:"); |
f354ef8ab
|
636 637 638 639 |
ADD(alias, "t", id->hw_type != PA_HWTYPE_ANY_ID, id->hw_type); ADD(alias, "hv", id->hversion != PA_HVERSION_ANY_ID, id->hversion); ADD(alias, "rev", id->hversion_rev != PA_HVERSION_REV_ANY_ID, id->hversion_rev); ADD(alias, "sv", id->sversion != PA_SVERSION_ANY_ID, id->sversion); |
f3cf26733
|
640 |
|
ac5518289
|
641 |
add_wildcard(alias); |
f3cf26733
|
642 643 |
return 1; } |
d59b66c7a
|
644 645 646 647 648 649 650 651 652 653 654 655 |
/* Looks like: sdio:cNvNdN. */ static int do_sdio_entry(const char *filename, struct sdio_device_id *id, char *alias) { id->class = TO_NATIVE(id->class); id->vendor = TO_NATIVE(id->vendor); id->device = TO_NATIVE(id->device); strcpy(alias, "sdio:"); ADD(alias, "c", id->class != (__u8)SDIO_ANY_ID, id->class); ADD(alias, "v", id->vendor != (__u16)SDIO_ANY_ID, id->vendor); ADD(alias, "d", id->device != (__u16)SDIO_ANY_ID, id->device); |
ac5518289
|
656 |
add_wildcard(alias); |
038a5008b
|
657 658 |
return 1; } |
61e115a56
|
659 660 661 662 663 664 665 |
/* Looks like: ssb:vNidNrevN. */ static int do_ssb_entry(const char *filename, struct ssb_device_id *id, char *alias) { id->vendor = TO_NATIVE(id->vendor); id->coreid = TO_NATIVE(id->coreid); id->revision = TO_NATIVE(id->revision); |
d59b66c7a
|
666 |
|
61e115a56
|
667 668 669 670 |
strcpy(alias, "ssb:"); ADD(alias, "v", id->vendor != SSB_ANY_VENDOR, id->vendor); ADD(alias, "id", id->coreid != SSB_ANY_ID, id->coreid); ADD(alias, "rev", id->revision != SSB_ANY_REV, id->revision); |
ac5518289
|
671 |
add_wildcard(alias); |
d59b66c7a
|
672 673 |
return 1; } |
b01d9f286
|
674 675 676 677 678 679 680 681 |
/* Looks like: virtio:dNvN */ static int do_virtio_entry(const char *filename, struct virtio_device_id *id, char *alias) { id->device = TO_NATIVE(id->device); id->vendor = TO_NATIVE(id->vendor); strcpy(alias, "virtio:"); |
e33538537
|
682 |
ADD(alias, "d", id->device != VIRTIO_DEV_ANY_ID, id->device); |
b01d9f286
|
683 |
ADD(alias, "v", id->vendor != VIRTIO_DEV_ANY_ID, id->vendor); |
ac5518289
|
684 |
add_wildcard(alias); |
b01d9f286
|
685 686 |
return 1; } |
d2653e927
|
687 688 689 690 691 692 693 694 |
/* Looks like: i2c:S */ static int do_i2c_entry(const char *filename, struct i2c_device_id *id, char *alias) { sprintf(alias, I2C_MODULE_PREFIX "%s", id->name); return 1; } |
e0626e384
|
695 |
/* Looks like: spi:S */ |
75368bf6c
|
696 697 698 |
static int do_spi_entry(const char *filename, struct spi_device_id *id, char *alias) { |
e0626e384
|
699 |
sprintf(alias, SPI_MODULE_PREFIX "%s", id->name); |
75368bf6c
|
700 701 702 |
return 1; } |
d945b697d
|
703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 |
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, struct dmi_system_id *id, char *alias) { int i, j; sprintf(alias, "dmi*"); for (i = 0; i < ARRAY_SIZE(dmi_fields); i++) { for (j = 0; j < 4; j++) { if (id->matches[j].slot && id->matches[j].slot == dmi_fields[i].field) { sprintf(alias + strlen(alias), ":%s*", dmi_fields[i].prefix); dmi_ascii_filter(alias + strlen(alias), id->matches[j].substr); strcat(alias, "*"); } } } strcat(alias, ":"); return 1; } |
57fee4a58
|
756 757 758 759 760 761 762 |
static int do_platform_entry(const char *filename, struct platform_device_id *id, char *alias) { sprintf(alias, PLATFORM_MODULE_PREFIX "%s", id->name); return 1; } |
8626d3b43
|
763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 |
static int do_mdio_entry(const char *filename, struct mdio_device_id *id, char *alias) { int i; alias += sprintf(alias, MDIO_MODULE_PREFIX); for (i = 0; i < 32; i++) { if (!((id->phy_id_mask >> (31-i)) & 1)) *(alias++) = '?'; else if ((id->phy_id >> (31-i)) & 1) *(alias++) = '1'; else *(alias++) = '0'; } /* Terminate the string */ *alias = 0; return 1; } |
bf54a2b3c
|
784 785 786 787 788 789 790 791 792 |
/* Looks like: zorro:iN. */ static int do_zorro_entry(const char *filename, struct zorro_device_id *id, char *alias) { id->id = TO_NATIVE(id->id); strcpy(alias, "zorro:"); ADD(alias, "i", id->id != ZORRO_WILDCARD, id->id); return 1; } |
fedb3d27d
|
793 794 795 796 797 798 799 800 801 802 803 804 |
/* looks like: "pnp:dD" */ static int do_isapnp_entry(const char *filename, struct isapnp_device_id *id, char *alias) { sprintf(alias, "pnp:d%c%c%c%x%x%x%x*", 'A' + ((id->vendor >> 2) & 0x3f) - 1, 'A' + (((id->vendor & 3) << 3) | ((id->vendor >> 13) & 7)) - 1, 'A' + ((id->vendor >> 8) & 0x1f) - 1, (id->function >> 4) & 0x0f, id->function & 0x0f, (id->function >> 12) & 0x0f, (id->function >> 8) & 0x0f); return 1; } |
f606ddf42
|
805 |
/* Ignore any prefix, eg. some architectures prepend _ */ |
1da177e4c
|
806 807 808 809 810 811 812 |
static inline int sym_is(const char *symbol, const char *name) { const char *match; match = strstr(symbol, name); if (!match) return 0; |
3a5dd791a
|
813 |
return match[strlen(name)] == '\0'; |
1da177e4c
|
814 815 816 817 |
} static void do_table(void *symval, unsigned long size, unsigned long id_size, |
fb33d8161
|
818 |
const char *device_id, |
1da177e4c
|
819 820 821 822 823 824 |
void *function, struct module *mod) { unsigned int i; char alias[500]; int (*do_entry)(const char *, void *entry, char *alias) = function; |
e00498258
|
825 |
device_id_check(mod->name, device_id, size, id_size, symval); |
1da177e4c
|
826 827 828 829 830 |
/* 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)) { |
1da177e4c
|
831 832 833 834 835 836 837 838 839 840 841 842 843 844 |
buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\"); ", alias); } } } /* 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; |
e00498258
|
845 |
char *zeros = NULL; |
1da177e4c
|
846 847 |
/* We're looking for a section relative symbol */ |
1ce53adf1
|
848 |
if (!sym->st_shndx || get_secindex(info, sym) >= info->num_sections) |
1da177e4c
|
849 |
return; |
e00498258
|
850 |
/* Handle all-NULL symbols allocated into .bss */ |
1ce53adf1
|
851 |
if (info->sechdrs[get_secindex(info, sym)].sh_type & SHT_NOBITS) { |
e00498258
|
852 853 854 855 |
zeros = calloc(1, sym->st_size); symval = zeros; } else { symval = (void *)info->hdr |
1ce53adf1
|
856 |
+ info->sechdrs[get_secindex(info, sym)].sh_offset |
e00498258
|
857 858 |
+ sym->st_value; } |
1da177e4c
|
859 860 |
if (sym_is(symname, "__mod_pci_device_table")) |
fb33d8161
|
861 862 |
do_table(symval, sym->st_size, sizeof(struct pci_device_id), "pci", |
1da177e4c
|
863 864 |
do_pci_entry, mod); else if (sym_is(symname, "__mod_usb_device_table")) |
b19dcd934
|
865 866 |
/* special case to handle bcdDevice ranges */ do_usb_table(symval, sym->st_size, mod); |
e8c84f9a5
|
867 868 869 870 |
else if (sym_is(symname, "__mod_hid_device_table")) do_table(symval, sym->st_size, sizeof(struct hid_device_id), "hid", do_hid_entry, mod); |
1da177e4c
|
871 |
else if (sym_is(symname, "__mod_ieee1394_device_table")) |
fb33d8161
|
872 873 |
do_table(symval, sym->st_size, sizeof(struct ieee1394_device_id), "ieee1394", |
1da177e4c
|
874 875 |
do_ieee1394_entry, mod); else if (sym_is(symname, "__mod_ccw_device_table")) |
fb33d8161
|
876 877 |
do_table(symval, sym->st_size, sizeof(struct ccw_device_id), "ccw", |
1da177e4c
|
878 |
do_ccw_entry, mod); |
1534c3820
|
879 880 881 882 |
else if (sym_is(symname, "__mod_ap_device_table")) do_table(symval, sym->st_size, sizeof(struct ap_device_id), "ap", do_ap_entry, mod); |
7e9db9eae
|
883 884 885 886 |
else if (sym_is(symname, "__mod_css_device_table")) do_table(symval, sym->st_size, sizeof(struct css_device_id), "css", do_css_entry, mod); |
1da177e4c
|
887 |
else if (sym_is(symname, "__mod_serio_device_table")) |
fb33d8161
|
888 889 |
do_table(symval, sym->st_size, sizeof(struct serio_device_id), "serio", |
1da177e4c
|
890 |
do_serio_entry, mod); |
29b71a1ca
|
891 892 893 894 |
else if (sym_is(symname, "__mod_acpi_device_table")) do_table(symval, sym->st_size, sizeof(struct acpi_device_id), "acpi", do_acpi_entry, mod); |
1da177e4c
|
895 |
else if (sym_is(symname, "__mod_pnp_device_table")) |
22454cb99
|
896 |
do_pnp_device_entry(symval, sym->st_size, mod); |
1da177e4c
|
897 |
else if (sym_is(symname, "__mod_pnp_card_device_table")) |
0c81eed4b
|
898 |
do_pnp_card_entries(symval, sym->st_size, mod); |
90829cfe1
|
899 |
else if (sym_is(symname, "__mod_pcmcia_device_table")) |
fb33d8161
|
900 901 |
do_table(symval, sym->st_size, sizeof(struct pcmcia_device_id), "pcmcia", |
90829cfe1
|
902 |
do_pcmcia_entry, mod); |
5e6557722
|
903 |
else if (sym_is(symname, "__mod_of_device_table")) |
fb33d8161
|
904 905 |
do_table(symval, sym->st_size, sizeof(struct of_device_id), "of", |
5e6557722
|
906 |
do_of_entry, mod); |
fb120da67
|
907 |
else if (sym_is(symname, "__mod_vio_device_table")) |
fb33d8161
|
908 909 |
do_table(symval, sym->st_size, sizeof(struct vio_device_id), "vio", |
fb120da67
|
910 |
do_vio_entry, mod); |
1d8f430c1
|
911 |
else if (sym_is(symname, "__mod_input_device_table")) |
fb33d8161
|
912 913 |
do_table(symval, sym->st_size, sizeof(struct input_device_id), "input", |
1d8f430c1
|
914 |
do_input_entry, mod); |
07563c711
|
915 916 917 918 |
else if (sym_is(symname, "__mod_eisa_device_table")) do_table(symval, sym->st_size, sizeof(struct eisa_device_id), "eisa", do_eisa_entry, mod); |
f3cf26733
|
919 920 921 922 |
else if (sym_is(symname, "__mod_parisc_device_table")) do_table(symval, sym->st_size, sizeof(struct parisc_device_id), "parisc", do_parisc_entry, mod); |
d59b66c7a
|
923 924 925 926 |
else if (sym_is(symname, "__mod_sdio_device_table")) do_table(symval, sym->st_size, sizeof(struct sdio_device_id), "sdio", do_sdio_entry, mod); |
61e115a56
|
927 928 929 930 |
else if (sym_is(symname, "__mod_ssb_device_table")) do_table(symval, sym->st_size, sizeof(struct ssb_device_id), "ssb", do_ssb_entry, mod); |
b01d9f286
|
931 932 933 934 |
else if (sym_is(symname, "__mod_virtio_device_table")) do_table(symval, sym->st_size, sizeof(struct virtio_device_id), "virtio", do_virtio_entry, mod); |
d2653e927
|
935 936 937 938 |
else if (sym_is(symname, "__mod_i2c_device_table")) do_table(symval, sym->st_size, sizeof(struct i2c_device_id), "i2c", do_i2c_entry, mod); |
75368bf6c
|
939 940 941 942 |
else if (sym_is(symname, "__mod_spi_device_table")) do_table(symval, sym->st_size, sizeof(struct spi_device_id), "spi", do_spi_entry, mod); |
d945b697d
|
943 944 945 946 |
else if (sym_is(symname, "__mod_dmi_device_table")) do_table(symval, sym->st_size, sizeof(struct dmi_system_id), "dmi", do_dmi_entry, mod); |
57fee4a58
|
947 948 949 950 |
else if (sym_is(symname, "__mod_platform_device_table")) do_table(symval, sym->st_size, sizeof(struct platform_device_id), "platform", do_platform_entry, mod); |
8626d3b43
|
951 952 953 954 |
else if (sym_is(symname, "__mod_mdio_device_table")) do_table(symval, sym->st_size, sizeof(struct mdio_device_id), "mdio", do_mdio_entry, mod); |
bf54a2b3c
|
955 956 957 958 |
else if (sym_is(symname, "__mod_zorro_device_table")) do_table(symval, sym->st_size, sizeof(struct zorro_device_id), "zorro", do_zorro_entry, mod); |
fedb3d27d
|
959 960 961 962 |
else if (sym_is(symname, "__mod_isapnp_device_table")) do_table(symval, sym->st_size, sizeof(struct isapnp_device_id), "isa", do_isapnp_entry, mod); |
e00498258
|
963 |
free(zeros); |
1da177e4c
|
964 965 966 967 968 969 970 971 972 973 |
} /* Now add out buffered information to the generated C source */ void add_moddevtable(struct buffer *buf, struct module *mod) { buf_printf(buf, " "); buf_write(buf, mod->dev_table_buf.p, mod->dev_table_buf.pos); free(mod->dev_table_buf.p); } |