| James Kuszmaul | 6439136 | 2021-01-17 11:32:00 -0800 | [diff] [blame^] | 1 | #include "crc32c.h" |
| 2 | #include "software.h" |
| 3 | #include "../main/main.h" |
| 4 | #include <rawrtcdc/config.h> |
| 5 | #include <re.h> |
| 6 | |
| 7 | #if RAWRTCDC_ENABLE_SSE42_CRC32C |
| 8 | # include "sse42.h" |
| 9 | #endif |
| 10 | |
| 11 | #define DEBUG_MODULE "crc32c" |
| 12 | //#define RAWRTC_DEBUG_MODULE_LEVEL 7 // Note: Uncomment this to debug this module only |
| 13 | #include <rawrtcc/debug.h> |
| 14 | |
| 15 | /* |
| 16 | * Initialise CRC32-C. |
| 17 | */ |
| 18 | void rawrtc_crc32c_init(void) { |
| 19 | #if RAWRTCDC_ENABLE_SSE42_CRC32C |
| 20 | if (rawrtc_crc32c_sse42_supported()) { |
| 21 | rawrtc_crc32c_init_sse42(); |
| 22 | rawrtcdc_global.crc32c_handler = rawrtc_crc32c_sse42; |
| 23 | DEBUG_PRINTF("Initialised CRC32-C (sse42)\n"); |
| 24 | return; |
| 25 | } |
| 26 | #endif |
| 27 | rawrtcdc_global.crc32c_handler = rawrtc_crc32c_software; |
| 28 | DEBUG_PRINTF("Initialised CRC32-C (software)\n"); |
| 29 | } |
| 30 | |
| 31 | /* |
| 32 | * Compute CRC-32C using whatever method has been established. |
| 33 | */ |
| 34 | uint32_t rawrtc_crc32c(void const* buffer, size_t length) { |
| 35 | return rawrtcdc_global.crc32c_handler(buffer, length); |
| 36 | } |