summaryrefslogtreecommitdiffstats
path: root/scripts/mod/file2alias.c
diff options
context:
space:
mode:
Diffstat (limited to 'scripts/mod/file2alias.c')
-rw-r--r--scripts/mod/file2alias.c167
1 files changed, 153 insertions, 14 deletions
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 40e0045876ee..5758aab0d8bb 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);
}
}
@@ -657,6 +726,15 @@ 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;
@@ -718,6 +796,51 @@ static int do_platform_entry(const char *filename,
return 1;
}
+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;
+}
+
+/* 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;
+}
+
+/* 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;
+}
+
/* Ignore any prefix, eg. some architectures prepend _ */
static inline int sym_is(const char *symbol, const char *name)
{
@@ -726,7 +849,7 @@ static inline int sym_is(const char *symbol, const char *name)
match = strstr(symbol, name);
if (!match)
return 0;
- return match[strlen(symbol)] == '\0';
+ return match[strlen(name)] == '\0';
}
static void do_table(void *symval, unsigned long size,
@@ -853,6 +976,10 @@ 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",
@@ -861,6 +988,18 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
do_table(symval, sym->st_size,
sizeof(struct platform_device_id), "platform",
do_platform_entry, mod);
+ 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);
+ 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);
+ 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);
free(zeros);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-11 17:19:03 +0000