[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/scripts/mod/file2alias.c b/ap/os/linux/linux-3.4.x/scripts/mod/file2alias.c
new file mode 100644
index 0000000..ea243fe
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/scripts/mod/file2alias.c
@@ -0,0 +1,1157 @@
+/* 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;
+#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;
+
+/* 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;
+ void *function;
+};
+
+#define ___cat(a,b) a ## b
+#define __cat(a,b) ___cat(a,b)
+
+/* we need some special handling for this host tool running eventually on
+ * Darwin. The Mach-O section handling is a bit different than ELF section
+ * handling. The differnces in detail are:
+ * a) we have segments which have sections
+ * b) we need a API call to get the respective section symbols */
+#if defined(__MACH__)
+#include <mach-o/getsect.h>
+
+#define INIT_SECTION(name) do { \
+ unsigned long name ## _len; \
+ char *__cat(pstart_,name) = getsectdata("__TEXT", \
+ #name, &__cat(name,_len)); \
+ char *__cat(pstop_,name) = __cat(pstart_,name) + \
+ __cat(name, _len); \
+ __cat(__start_,name) = (void *)__cat(pstart_,name); \
+ __cat(__stop_,name) = (void *)__cat(pstop_,name); \
+ } while (0)
+#define SECTION(name) __attribute__((section("__TEXT, " #name)))
+
+struct devtable **__start___devtable, **__stop___devtable;
+#else
+#define INIT_SECTION(name) /* no-op for ELF */
+#define SECTION(name) __attribute__((section(#name)))
+
+/* We construct a table of pointers in an ELF section (pointers generally
+ * go unpadded by gcc). ld creates boundary syms for us. */
+extern struct devtable *__start___devtable[], *__stop___devtable[];
+#endif /* __MACH__ */
+
+#if __GNUC__ == 3 && __GNUC_MINOR__ < 3
+# define __used __attribute__((__unused__))
+#else
+# define __used __attribute__((__used__))
+#endif
+
+/* Add a table entry. We test function type matches while we're here. */
+#define ADD_TO_DEVTABLE(device_id, type, function) \
+ static struct devtable __cat(devtable,__LINE__) = { \
+ device_id + 0*sizeof((function)((const char *)NULL, \
+ (type *)NULL, \
+ (char *)NULL)), \
+ sizeof(type), (function) }; \
+ static struct devtable *SECTION(__devtable) __used \
+ __cat(devtable_ptr,__LINE__) = &__cat(devtable,__LINE__)
+
+#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)
+
+/* 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, "*");
+}
+
+unsigned int cross_build = 0;
+/**
+ * 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) {
+ if (cross_build != 0)
+ return;
+ fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo "
+ "of the size of section __mod_%s_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: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,
+ unsigned char max, struct module *mod)
+{
+ char alias[500];
+ 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);
+
+ 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(id->bcdDevice_lo) * 2 - 1))
+ strcat(alias, "*");
+
+ 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);
+
+ 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(struct usb_device_id *id, struct module *mod)
+{
+ unsigned int devlo, devhi;
+ unsigned char chi, clo, max;
+ 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;
+
+ /* 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;
+ }
+ }
+
+ /*
+ * Some modules (visor) have empty slots as placeholder for
+ * run-time specification that results in catch-all alias
+ */
+ if (!(id->idVendor | id->idProduct | id->bDeviceClass | id->bInterfaceClass))
+ 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;
+ 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(id, devlo, ndigits, clo, chi, max, mod);
+ break;
+ }
+
+ if (clo > 0x0)
+ do_usb_entry(id,
+ incbcd(&devlo, 1, max,
+ sizeof(id->bcdDevice_lo) * 2),
+ ndigits, clo, max, max, mod);
+
+ if (chi < max)
+ do_usb_entry(id,
+ incbcd(&devhi, -1, max,
+ sizeof(id->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 = sizeof(struct 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);
+}
+
+/* Looks like: hid:bNvNpN */
+static int do_hid_entry(const char *filename,
+ struct hid_device_id *id, char *alias)
+{
+ id->bus = TO_NATIVE(id->bus);
+ 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;
+}
+ADD_TO_DEVTABLE("hid", struct hid_device_id, do_hid_entry);
+
+/* 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);
+
+ add_wildcard(alias);
+ return 1;
+}
+ADD_TO_DEVTABLE("ieee1394", struct ieee1394_device_id, do_ieee1394_entry);
+
+/* 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)) {
+ warn("Can't handle masks in %s:%04X\n",
+ filename, id->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;
+}
+ADD_TO_DEVTABLE("pci", struct pci_device_id, do_pci_entry);
+
+/* looks like: "ccw:tNmNdtNdmN" */
+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);
+ ADD(alias, "dm", id->match_flags&CCW_DEVICE_ID_MATCH_DEVICE_MODEL,
+ id->dev_model);
+ add_wildcard(alias);
+ return 1;
+}
+ADD_TO_DEVTABLE("ccw", struct ccw_device_id, do_ccw_entry);
+
+/* looks like: "ap:tN" */
+static int do_ap_entry(const char *filename,
+ struct ap_device_id *id, char *alias)
+{
+ sprintf(alias, "ap:t%02X*", id->dev_type);
+ return 1;
+}
+ADD_TO_DEVTABLE("ap", struct ap_device_id, do_ap_entry);
+
+/* 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;
+}
+ADD_TO_DEVTABLE("css", struct css_device_id, do_css_entry);
+
+/* 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);
+
+ add_wildcard(alias);
+ return 1;
+}
+ADD_TO_DEVTABLE("serio", struct serio_device_id, do_serio_entry);
+
+/* 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)
+{
+ sprintf(alias, "acpi*:%s:*", id->id);
+ return 1;
+}
+ADD_TO_DEVTABLE("acpi", struct acpi_device_id, do_acpi_entry);
+
+/* looks like: "pnp:dD" */
+static void do_pnp_device_entry(void *symval, unsigned long size,
+ struct module *mod)
+{
+ const unsigned long id_size = sizeof(struct pnp_device_id);
+ const unsigned int count = (size / id_size)-1;
+ const struct pnp_device_id *devs = symval;
+ unsigned int i;
+
+ device_id_check(mod->name, "pnp", size, id_size, symval);
+
+ for (i = 0; i < count; i++) {
+ const char *id = (char *)devs[i].id;
+ char acpi_id[sizeof(devs[0].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 = 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;
+
+ 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 */
+ if (!dup) {
+ char acpi_id[sizeof(card->devs[0].id)];
+ 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,
+ struct pcmcia_device_id *id, char *alias)
+{
+ unsigned int i;
+
+ id->match_flags = TO_NATIVE(id->match_flags);
+ 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);
+
+ 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]);
+
+ add_wildcard(alias);
+ return 1;
+}
+ADD_TO_DEVTABLE("pcmcia", struct pcmcia_device_id, do_pcmcia_entry);
+
+static int do_of_entry (const char *filename, struct of_device_id *of, char *alias)
+{
+ int len;
+ char *tmp;
+ len = sprintf (alias, "of:N%sT%s",
+ of->name[0] ? of->name : "*",
+ of->type[0] ? of->type : "*");
+
+ if (of->compatible[0])
+ sprintf (&alias[len], "%sC%s",
+ of->type[0] ? "*" : "",
+ of->compatible);
+
+ /* Replace all whitespace with underscores */
+ for (tmp = alias; tmp && *tmp; tmp++)
+ if (isspace (*tmp))
+ *tmp = '_';
+
+ add_wildcard(alias);
+ return 1;
+}
+ADD_TO_DEVTABLE("of", struct of_device_id, do_of_entry);
+
+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 = '_';
+
+ add_wildcard(alias);
+ return 1;
+}
+ADD_TO_DEVTABLE("vio", struct vio_device_id, do_vio_entry);
+
+#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; 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, struct input_device_id *id,
+ char *alias)
+{
+ sprintf(alias, "input:");
+
+ 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);
+
+ sprintf(alias + strlen(alias), "-e*");
+ if (id->flags & INPUT_DEVICE_ID_MATCH_EVBIT)
+ do_input(alias, id->evbit, 0, INPUT_DEVICE_ID_EV_MAX);
+ sprintf(alias + strlen(alias), "k*");
+ if (id->flags & INPUT_DEVICE_ID_MATCH_KEYBIT)
+ do_input(alias, id->keybit,
+ INPUT_DEVICE_ID_KEY_MIN_INTERESTING,
+ INPUT_DEVICE_ID_KEY_MAX);
+ sprintf(alias + strlen(alias), "r*");
+ if (id->flags & INPUT_DEVICE_ID_MATCH_RELBIT)
+ do_input(alias, id->relbit, 0, INPUT_DEVICE_ID_REL_MAX);
+ sprintf(alias + strlen(alias), "a*");
+ if (id->flags & INPUT_DEVICE_ID_MATCH_ABSBIT)
+ do_input(alias, id->absbit, 0, INPUT_DEVICE_ID_ABS_MAX);
+ sprintf(alias + strlen(alias), "m*");
+ if (id->flags & INPUT_DEVICE_ID_MATCH_MSCIT)
+ do_input(alias, id->mscbit, 0, INPUT_DEVICE_ID_MSC_MAX);
+ sprintf(alias + strlen(alias), "l*");
+ if (id->flags & INPUT_DEVICE_ID_MATCH_LEDBIT)
+ do_input(alias, id->ledbit, 0, INPUT_DEVICE_ID_LED_MAX);
+ sprintf(alias + strlen(alias), "s*");
+ if (id->flags & INPUT_DEVICE_ID_MATCH_SNDBIT)
+ do_input(alias, id->sndbit, 0, INPUT_DEVICE_ID_SND_MAX);
+ sprintf(alias + strlen(alias), "f*");
+ if (id->flags & INPUT_DEVICE_ID_MATCH_FFBIT)
+ do_input(alias, id->ffbit, 0, INPUT_DEVICE_ID_FF_MAX);
+ sprintf(alias + strlen(alias), "w*");
+ if (id->flags & INPUT_DEVICE_ID_MATCH_SWBIT)
+ do_input(alias, id->swbit, 0, INPUT_DEVICE_ID_SW_MAX);
+ return 1;
+}
+ADD_TO_DEVTABLE("input", struct input_device_id, do_input_entry);
+
+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);
+ else
+ strcat(alias, "*");
+ return 1;
+}
+ADD_TO_DEVTABLE("eisa", struct eisa_device_id, do_eisa_entry);
+
+/* 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:");
+ 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);
+
+ add_wildcard(alias);
+ return 1;
+}
+ADD_TO_DEVTABLE("parisc", struct parisc_device_id, do_parisc_entry);
+
+/* 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);
+ add_wildcard(alias);
+ return 1;
+}
+ADD_TO_DEVTABLE("sdio", struct sdio_device_id, do_sdio_entry);
+
+/* 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);
+
+ 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);
+ add_wildcard(alias);
+ return 1;
+}
+ADD_TO_DEVTABLE("ssb", struct ssb_device_id, do_ssb_entry);
+
+/* Looks like: bcma:mNidNrevNclN. */
+static int do_bcma_entry(const char *filename,
+ struct bcma_device_id *id, char *alias)
+{
+ id->manuf = TO_NATIVE(id->manuf);
+ id->id = TO_NATIVE(id->id);
+ id->rev = TO_NATIVE(id->rev);
+ id->class = TO_NATIVE(id->class);
+
+ strcpy(alias, "bcma:");
+ ADD(alias, "m", id->manuf != BCMA_ANY_MANUF, id->manuf);
+ ADD(alias, "id", id->id != BCMA_ANY_ID, id->id);
+ ADD(alias, "rev", id->rev != BCMA_ANY_REV, id->rev);
+ ADD(alias, "cl", id->class != BCMA_ANY_CLASS, id->class);
+ add_wildcard(alias);
+ return 1;
+}
+ADD_TO_DEVTABLE("bcma", struct bcma_device_id, do_bcma_entry);
+
+/* 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:");
+ ADD(alias, "d", id->device != VIRTIO_DEV_ANY_ID, id->device);
+ ADD(alias, "v", id->vendor != VIRTIO_DEV_ANY_ID, id->vendor);
+
+ add_wildcard(alias);
+ return 1;
+}
+ADD_TO_DEVTABLE("virtio", struct virtio_device_id, do_virtio_entry);
+
+/*
+ * 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, struct hv_vmbus_device_id *id,
+ char *alias)
+{
+ int i;
+ char guid_name[((sizeof(id->guid) + 1)) * 2];
+
+ for (i = 0; i < (sizeof(id->guid) * 2); i += 2)
+ sprintf(&guid_name[i], "%02x", id->guid[i/2]);
+
+ strcpy(alias, "vmbus:");
+ strcat(alias, guid_name);
+
+ return 1;
+}
+ADD_TO_DEVTABLE("vmbus", struct hv_vmbus_device_id, do_vmbus_entry);
+
+/* 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;
+}
+ADD_TO_DEVTABLE("i2c", struct i2c_device_id, do_i2c_entry);
+
+/* Looks like: spi:S */
+static int do_spi_entry(const char *filename, struct spi_device_id *id,
+ char *alias)
+{
+ sprintf(alias, SPI_MODULE_PREFIX "%s", id->name);
+
+ return 1;
+}
+ADD_TO_DEVTABLE("spi", struct spi_device_id, do_spi_entry);
+
+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;
+}
+ADD_TO_DEVTABLE("dmi", struct dmi_system_id, do_dmi_entry);
+
+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;
+}
+ADD_TO_DEVTABLE("platform", struct platform_device_id, do_platform_entry);
+
+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;
+}
+ADD_TO_DEVTABLE("mdio", struct mdio_device_id, do_mdio_entry);
+
+/* 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;
+}
+ADD_TO_DEVTABLE("zorro", struct zorro_device_id, do_zorro_entry);
+
+/* 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;
+}
+ADD_TO_DEVTABLE("isapnp", struct isapnp_device_id, do_isapnp_entry);
+
+/*
+ * 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,
+ struct amba_id *id, char *alias)
+{
+ unsigned int digit;
+ char *p = alias;
+
+ if ((id->id & id->mask) != id->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->id, id->mask);
+
+ p += sprintf(alias, "amba:d");
+ for (digit = 0; digit < 8; digit++)
+ append_nibble_mask(&p,
+ (id->id >> (4 * (7 - digit))) & 0xf,
+ (id->mask >> (4 * (7 - digit))) & 0xf);
+
+ return 1;
+}
+ADD_TO_DEVTABLE("amba", struct amba_id, do_amba_entry);
+
+/* LOOKS like x86cpu:vendor:VVVV:family:FFFF:model:MMMM: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, struct x86_cpu_id *id,
+ char *alias)
+{
+ id->feature = TO_NATIVE(id->feature);
+ id->family = TO_NATIVE(id->family);
+ id->model = TO_NATIVE(id->model);
+ id->vendor = TO_NATIVE(id->vendor);
+
+ strcpy(alias, "x86cpu:");
+ ADD(alias, "vendor:", id->vendor != X86_VENDOR_ANY, id->vendor);
+ ADD(alias, ":family:", id->family != X86_FAMILY_ANY, id->family);
+ ADD(alias, ":model:", id->model != X86_MODEL_ANY, id->model);
+ strcat(alias, ":feature:*");
+ if (id->feature != X86_FEATURE_ANY)
+ sprintf(alias + strlen(alias), "%04X*", id->feature);
+ return 1;
+}
+ADD_TO_DEVTABLE("x86cpu", struct x86_cpu_id, do_x86cpu_entry);
+
+/* 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,
+ void *function,
+ struct module *mod)
+{
+ unsigned int i;
+ char alias[500];
+ int (*do_entry)(const char *, void *entry, char *alias) = function;
+
+ 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);
+ }
+ }
+}
+
+/* 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;
+ 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_XXX_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;
+ namelen -= strlen("_device_table");
+
+ /* 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);
+ 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 {
+ struct devtable **p;
+ INIT_SECTION(__devtable);
+
+ for (p = __start___devtable; p < __stop___devtable; p++) {
+ if (sym_is(name, namelen, (*p)->device_id)) {
+ do_table(symval, sym->st_size, (*p)->id_size,
+ (*p)->device_id, (*p)->function, 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);
+}