diff options
Diffstat (limited to 'sys/dev/bhnd/nvram/nvram_subr.c')
| -rw-r--r-- | sys/dev/bhnd/nvram/nvram_subr.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/sys/dev/bhnd/nvram/nvram_subr.c b/sys/dev/bhnd/nvram/nvram_subr.c deleted file mode 100644 index 8465af845961..000000000000 --- a/sys/dev/bhnd/nvram/nvram_subr.c +++ /dev/null @@ -1,149 +0,0 @@ -/*- - * Copyright (c) 2016 Landon Fuller <landon@landonf.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any - * redistribution must be conditioned upon including a substantially - * similar Disclaimer requirement for further binary redistribution. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY - * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL - * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, - * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER - * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - * THE POSSIBILITY OF SUCH DAMAGES. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/types.h> -#include <sys/systm.h> - -#include "bhnd_nvram_map_data.h" - -/* - * CRC-8 lookup table used to checksum SPROM and NVRAM data via - * bhnd_nvram_crc8(). - * - * Generated with following parameters: - * polynomial: CRC-8 (x^8 + x^7 + x^6 + x^4 + x^2 + 1) - * reflected bits: false - * reversed: true - */ -const uint8_t bhnd_nvram_crc8_tab[] = { - 0x00, 0xf7, 0xb9, 0x4e, 0x25, 0xd2, 0x9c, 0x6b, 0x4a, 0xbd, 0xf3, - 0x04, 0x6f, 0x98, 0xd6, 0x21, 0x94, 0x63, 0x2d, 0xda, 0xb1, 0x46, - 0x08, 0xff, 0xde, 0x29, 0x67, 0x90, 0xfb, 0x0c, 0x42, 0xb5, 0x7f, - 0x88, 0xc6, 0x31, 0x5a, 0xad, 0xe3, 0x14, 0x35, 0xc2, 0x8c, 0x7b, - 0x10, 0xe7, 0xa9, 0x5e, 0xeb, 0x1c, 0x52, 0xa5, 0xce, 0x39, 0x77, - 0x80, 0xa1, 0x56, 0x18, 0xef, 0x84, 0x73, 0x3d, 0xca, 0xfe, 0x09, - 0x47, 0xb0, 0xdb, 0x2c, 0x62, 0x95, 0xb4, 0x43, 0x0d, 0xfa, 0x91, - 0x66, 0x28, 0xdf, 0x6a, 0x9d, 0xd3, 0x24, 0x4f, 0xb8, 0xf6, 0x01, - 0x20, 0xd7, 0x99, 0x6e, 0x05, 0xf2, 0xbc, 0x4b, 0x81, 0x76, 0x38, - 0xcf, 0xa4, 0x53, 0x1d, 0xea, 0xcb, 0x3c, 0x72, 0x85, 0xee, 0x19, - 0x57, 0xa0, 0x15, 0xe2, 0xac, 0x5b, 0x30, 0xc7, 0x89, 0x7e, 0x5f, - 0xa8, 0xe6, 0x11, 0x7a, 0x8d, 0xc3, 0x34, 0xab, 0x5c, 0x12, 0xe5, - 0x8e, 0x79, 0x37, 0xc0, 0xe1, 0x16, 0x58, 0xaf, 0xc4, 0x33, 0x7d, - 0x8a, 0x3f, 0xc8, 0x86, 0x71, 0x1a, 0xed, 0xa3, 0x54, 0x75, 0x82, - 0xcc, 0x3b, 0x50, 0xa7, 0xe9, 0x1e, 0xd4, 0x23, 0x6d, 0x9a, 0xf1, - 0x06, 0x48, 0xbf, 0x9e, 0x69, 0x27, 0xd0, 0xbb, 0x4c, 0x02, 0xf5, - 0x40, 0xb7, 0xf9, 0x0e, 0x65, 0x92, 0xdc, 0x2b, 0x0a, 0xfd, 0xb3, - 0x44, 0x2f, 0xd8, 0x96, 0x61, 0x55, 0xa2, 0xec, 0x1b, 0x70, 0x87, - 0xc9, 0x3e, 0x1f, 0xe8, 0xa6, 0x51, 0x3a, 0xcd, 0x83, 0x74, 0xc1, - 0x36, 0x78, 0x8f, 0xe4, 0x13, 0x5d, 0xaa, 0x8b, 0x7c, 0x32, 0xc5, - 0xae, 0x59, 0x17, 0xe0, 0x2a, 0xdd, 0x93, 0x64, 0x0f, 0xf8, 0xb6, - 0x41, 0x60, 0x97, 0xd9, 0x2e, 0x45, 0xb2, 0xfc, 0x0b, 0xbe, 0x49, - 0x07, 0xf0, 0x9b, 0x6c, 0x22, 0xd5, 0xf4, 0x03, 0x4d, 0xba, 0xd1, - 0x26, 0x68, 0x9f -}; - - -/** - * Return the size of type @p dt. - * - * @param dt NVRAM data type. - * @result the byte width of @p dt. - */ -size_t -bhnd_nvram_type_width(bhnd_nvram_dt dt) -{ - switch (dt) { - case BHND_NVRAM_DT_INT8: - case BHND_NVRAM_DT_UINT8: - case BHND_NVRAM_DT_CHAR: - return (sizeof(uint8_t)); - - case BHND_NVRAM_DT_INT16: - case BHND_NVRAM_DT_UINT16: - return (sizeof(uint16_t)); - - case BHND_NVRAM_DT_INT32: - case BHND_NVRAM_DT_UINT32: - return (sizeof(uint32_t)); - } - - /* Quiesce gcc4.2 */ - panic("bhnd nvram data type %u unknown", dt); -} - - -/** - * Return the variable definition for @p varname, if any. - * - * @param varname variable name - * - * @retval bhnd_nvram_var If a valid definition for @p varname is found. - * @retval NULL If no definition for @p varname is found. - */ -const struct bhnd_nvram_var * -bhnd_nvram_var_defn(const char *varname) -{ - size_t min, mid, max; - int order; - - /* - * Locate the requested variable using a binary search. - * - * The variable table is guaranteed to be sorted in lexicographical - * order (using the 'C' locale for collation rules) - */ - min = 0; - mid = 0; - max = nitems(bhnd_nvram_vars) - 1; - - while (max >= min) { - /* Select midpoint */ - mid = (min + max) / 2; - - /* Determine which side of the partition to search */ - order = strcmp(bhnd_nvram_vars[mid].name, varname); - if (order < 0) { - /* Search upper partition */ - min = mid + 1; - } else if (order > 0) { - /* Search lower partition */ - max = mid - 1; - } else if (order == 0) { - /* Match found */ - return (&bhnd_nvram_vars[mid]); - } - } - - /* Not found */ - return (NULL); -} |