diff options
| author | Tom Rini <trini@konsulko.com> | 2022-04-15 08:04:16 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-04-15 08:04:16 -0400 |
| commit | 74ae732d80f54540d3a244e0e28e66d263e6a57e (patch) | |
| tree | e0ac006d78607573b9e00c1213a8e7bb56cf15a0 /include/tables_csum.h | |
| parent | 42a2d90cf51acea56bf19006ed5688c93c099ff0 (diff) | |
| parent | b8617df6d5c8afb74ae8bb4b732a8b56b4f5e9ee (diff) | |
Merge branch '2022-04-14-assorted-updates'
- Apple M1 Ultra support, TI power domain fix, atsha204a big endian
support, LED cleanups and support for default-state, increase malloc
pool on sandbox, ubifs bugfix, further serial cleanup / semihost
support, fix a few cases around enabling/disabling FS support in SPL,
clean up duplication of table_compute_checksum()
Diffstat (limited to 'include/tables_csum.h')
| -rw-r--r-- | include/tables_csum.h | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/include/tables_csum.h b/include/tables_csum.h index 5f7edc419ba..4812333093a 100644 --- a/include/tables_csum.h +++ b/include/tables_csum.h @@ -6,16 +6,17 @@ #ifndef _TABLES_CSUM_H_ #define _TABLES_CSUM_H_ -static inline u8 table_compute_checksum(void *v, int len) -{ - u8 *bytes = v; - u8 checksum = 0; - int i; - - for (i = 0; i < len; i++) - checksum -= bytes[i]; - - return checksum; -} +/** + * table_compute_checksum() - Compute a table checksum + * + * This computes an 8-bit checksum for the configuration table. + * All bytes in the configuration table, including checksum itself and + * reserved bytes must add up to zero. + * + * @v: configuration table base address + * @len: configuration table size + * @return: the 8-bit checksum + */ +u8 table_compute_checksum(void *v, int len); #endif |