Use `SMALL_CRC` to enable smaller CRC versions.

@xobs created a smaller code size version of the CRC functions. Enable these if someone uses the `SMALL_CRC` define.
2019-09-02 14:48:30 -07:00 · 2019-09-02 14:48:30 -07:00 · 2a41f0d2a4
parent 083337441a
commit 2a41f0d2a4
2 changed files with 4 additions and 3 deletions
--- a/litex/soc/software/libbase/crc16.c
+++ b/litex/soc/software/libbase/crc16.c
@ -1,5 +1,6 @@
 #include <crc.h>
-#ifdef CRC16_FAST
+
+#ifndef SMALL_CRC
 static const unsigned int crc16_table[256] = {
 	0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
 	0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
--- a/litex/soc/software/libbase/crc32.c
+++ b/litex/soc/software/libbase/crc32.c
@ -5,7 +5,7 @@

 #include <crc.h>

-#ifdef CRC32_FAST
+#ifndef SMALL_CRC
 static const unsigned int crc_table[256] = {
 	0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
 	0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,