X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=blobdiff_plain;f=scripts%2Fmod%2Ffile2alias.c;h=6f426afbc52230cf01613c420994443e7bdf08af;hp=4fa1f3ad251340833a3b5d4b094dbc0c05557068;hb=f653398c86a1c104f0992bd788dd4bb065449be4;hpb=f606ddf42fd4edc558eeb48bfee66d2c591571d2 diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 4fa1f3a..6f426af 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -104,7 +104,7 @@ static void device_id_check(const char *modname, const char *device_id, 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, - struct module *mod) + unsigned char max, struct module *mod) { char alias[500]; strcpy(alias, "usb:"); @@ -118,9 +118,22 @@ static void do_usb_entry(struct usb_device_id *id, sprintf(alias + strlen(alias), "%0*X", bcdDevice_initial_digits, bcdDevice_initial); if (range_lo == range_hi) - sprintf(alias + strlen(alias), "%u", range_lo); - else if (range_lo > 0 || range_hi < 9) - sprintf(alias + strlen(alias), "[%u-%u]", 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_lo); + } + } if (bcdDevice_initial_digits < (sizeof(id->bcdDevice_lo) * 2 - 1)) strcat(alias, "*"); @@ -147,10 +160,49 @@ static void do_usb_entry(struct usb_device_id *id, "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; + unsigned char chi, clo, max; int ndigits; id->match_flags = TO_NATIVE(id->match_flags); @@ -162,6 +214,17 @@ static void do_usb_entry_multi(struct usb_device_id *id, struct module *mod) 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 @@ -173,21 +236,27 @@ static void do_usb_entry_multi(struct usb_device_id *id, struct module *mod) for (ndigits = sizeof(id->bcdDevice_lo) * 2 - 1; devlo <= devhi; ndigits--) { clo = devlo & 0xf; chi = devhi & 0xf; - if (chi > 9) /* it's bcd not hex */ - chi = 9; + 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, mod); + do_usb_entry(id, devlo, ndigits, clo, chi, max, mod); break; } - if (clo > 0) - do_usb_entry(id, devlo++, ndigits, clo, 9, mod); - - if (chi < 9) - do_usb_entry(id, devhi--, ndigits, 0, chi, mod); + 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); } } @@ -206,6 +275,21 @@ static void do_usb_table(void *symval, unsigned long 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; +} + /* Looks like: ieee1394:venNmoNspNverN */ static int do_ieee1394_entry(const char *filename, struct ieee1394_device_id *id, char *alias) @@ -344,14 +428,26 @@ 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 struct pnp_device_id *id = symval; + 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); - buf_printf(&mod->dev_table_buf, - "MODULE_ALIAS(\"pnp:d%s*\");\n", id->id); - buf_printf(&mod->dev_table_buf, - "MODULE_ALIAS(\"acpi*:%s:*\");\n", id->id); + 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 */ @@ -396,10 +492,17 @@ static void do_pnp_card_entries(void *symval, unsigned long size, /* 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", id); + "MODULE_ALIAS(\"acpi*:%s:*\");\n", acpi_id); } } } @@ -607,7 +710,7 @@ static int do_virtio_entry(const char *filename, struct virtio_device_id *id, id->vendor = TO_NATIVE(id->vendor); strcpy(alias, "virtio:"); - ADD(alias, "d", 1, id->device); + 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); @@ -623,6 +726,76 @@ static int do_i2c_entry(const char *filename, struct i2c_device_id *id, return 1; } +/* 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; +} + +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; +} + +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; +} + /* Ignore any prefix, eg. some architectures prepend _ */ static inline int sym_is(const char *symbol, const char *name) { @@ -686,6 +859,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, else if (sym_is(symname, "__mod_usb_device_table")) /* special case to handle bcdDevice ranges */ do_usb_table(symval, sym->st_size, mod); + 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); else if (sym_is(symname, "__mod_ieee1394_device_table")) do_table(symval, sym->st_size, sizeof(struct ieee1394_device_id), "ieee1394", @@ -754,6 +931,18 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, do_table(symval, sym->st_size, sizeof(struct i2c_device_id), "i2c", do_i2c_entry, mod); + 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); + 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); + 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); free(zeros); }