diff options
Diffstat (limited to 'drivers/staging/tidspbridge/gen/uuidutil.c')
| -rw-r--r-- | drivers/staging/tidspbridge/gen/uuidutil.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/drivers/staging/tidspbridge/gen/uuidutil.c b/drivers/staging/tidspbridge/gen/uuidutil.c new file mode 100644 index 000000000000..ce9319de3e39 --- /dev/null +++ b/drivers/staging/tidspbridge/gen/uuidutil.c @@ -0,0 +1,223 @@ +/* + * uuidutil.c + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * This file contains the implementation of UUID helper functions. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/* ----------------------------------- Host OS */ +#include <dspbridge/host_os.h> + +/* ----------------------------------- DSP/BIOS Bridge */ +#include <dspbridge/std.h> +#include <dspbridge/dbdefs.h> + +/* ----------------------------------- Trace & Debug */ +#include <dspbridge/dbc.h> + +/* ----------------------------------- This */ +#include <dspbridge/uuidutil.h> + +/* + * ======== uuid_uuid_to_string ======== + * Purpose: + * Converts a struct dsp_uuid to a string. + * Note: snprintf format specifier is: + * %[flags] [width] [.precision] [{h | l | I64 | L}]type + */ +void uuid_uuid_to_string(IN struct dsp_uuid *uuid_obj, OUT char *pszUuid, + IN s32 size) +{ + s32 i; /* return result from snprintf. */ + + DBC_REQUIRE(uuid_obj && pszUuid); + + i = snprintf(pszUuid, size, + "%.8X_%.4X_%.4X_%.2X%.2X_%.2X%.2X%.2X%.2X%.2X%.2X", + uuid_obj->ul_data1, uuid_obj->us_data2, uuid_obj->us_data3, + uuid_obj->uc_data4, uuid_obj->uc_data5, + uuid_obj->uc_data6[0], uuid_obj->uc_data6[1], + uuid_obj->uc_data6[2], uuid_obj->uc_data6[3], + uuid_obj->uc_data6[4], uuid_obj->uc_data6[5]); + + DBC_ENSURE(i != -1); +} + +/* + * ======== htoi ======== + * Purpose: + * Converts a hex value to a decimal integer. + */ + +static int htoi(char c) +{ + switch (c) { + case '0': + return 0; + case '1': + return 1; + case '2': + return 2; + case '3': + return 3; + case '4': + return 4; + case '5': + return 5; + case '6': + return 6; + case '7': + return 7; + case '8': + return 8; + case '9': + return 9; + case 'A': + return 10; + case 'B': + return 11; + case 'C': + return 12; + case 'D': + return 13; + case 'E': + return 14; + case 'F': + return 15; + case 'a': + return 10; + case 'b': + return 11; + case 'c': + return 12; + case 'd': + return 13; + case 'e': + return 14; + case 'f': + return 15; + } + return 0; +} + +/* + * ======== uuid_uuid_from_string ======== + * Purpose: + * Converts a string to a struct dsp_uuid. + */ +void uuid_uuid_from_string(IN char *pszUuid, OUT struct dsp_uuid *uuid_obj) +{ + char c; + s32 i, j; + s32 result; + char *temp = pszUuid; + + result = 0; + for (i = 0; i < 8; i++) { + /* Get first character in string */ + c = *temp; + + /* Increase the results by new value */ + result *= 16; + result += htoi(c); + + /* Go to next character in string */ + temp++; + } + uuid_obj->ul_data1 = result; + + /* Step over underscore */ + temp++; + + result = 0; + for (i = 0; i < 4; i++) { + /* Get first character in string */ + c = *temp; + + /* Increase the results by new value */ + result *= 16; + result += htoi(c); + + /* Go to next character in string */ + temp++; + } + uuid_obj->us_data2 = (u16) result; + + /* Step over underscore */ + temp++; + + result = 0; + for (i = 0; i < 4; i++) { + /* Get first character in string */ + c = *temp; + + /* Increase the results by new value */ + result *= 16; + result += htoi(c); + + /* Go to next character in string */ + temp++; + } + uuid_obj->us_data3 = (u16) result; + + /* Step over underscore */ + temp++; + + result = 0; + for (i = 0; i < 2; i++) { + /* Get first character in string */ + c = *temp; + + /* Increase the results by new value */ + result *= 16; + result += htoi(c); + + /* Go to next character in string */ + temp++; + } + uuid_obj->uc_data4 = (u8) result; + + result = 0; + for (i = 0; i < 2; i++) { + /* Get first character in string */ + c = *temp; + + /* Increase the results by new value */ + result *= 16; + result += htoi(c); + + /* Go to next character in string */ + temp++; + } + uuid_obj->uc_data5 = (u8) result; + + /* Step over underscore */ + temp++; + + for (j = 0; j < 6; j++) { + result = 0; + for (i = 0; i < 2; i++) { + /* Get first character in string */ + c = *temp; + + /* Increase the results by new value */ + result *= 16; + result += htoi(c); + + /* Go to next character in string */ + temp++; + } + uuid_obj->uc_data6[j] = (u8) result; + } +} |