lib: Kconfig: Move DYNAMIC_CRC_TABLE to Kconfig

Add CONFIG prefix to DYNAMIC_CRC_TABLE and implement it in Kconfig. Signed-off-by: Faiz Abbas <[email protected]>
koenkooi · Feb 14, 2018 · 36c1877 · 36c1877
1 parent 7e63ba2
commit 36c1877
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Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/lib/Kconfig b/lib/Kconfig
@@ -15,6 +15,12 @@ config CC_OPTIMIZE_LIBS_FOR_SPEED
 
 	  If unsure, say N.
 
+config DYNAMIC_CRC_TABLE
+	bool "Enable Dynamic tables for CRC"
+	help
+	  Enable this option to calculate entries for CRC tables at runtime.
+	  This can be helpful when reducing the size of the build image
+
 config HAVE_PRIVATE_LIBGCC
 	bool
 

diff --git a/lib/crc32.c b/lib/crc32.c
@@ -26,7 +26,7 @@
 
 #define tole(x) cpu_to_le32(x)
 
-#ifdef DYNAMIC_CRC_TABLE
+#ifdef CONFIG_DYNAMIC_CRC_TABLE
 
 local int crc_table_empty = 1;
 local uint32_t crc_table[256];
@@ -157,7 +157,7 @@ tole(0xb40bbe37L), tole(0xc30c8ea1L), tole(0x5a05df1bL), tole(0x2d02ef8dL)
  */
 const uint32_t * ZEXPORT get_crc_table()
 {
-#ifdef DYNAMIC_CRC_TABLE
+#ifdef CONFIG_DYNAMIC_CRC_TABLE
   if (crc_table_empty) make_crc_table();
 #endif
   return (const uint32_t *)crc_table;
@@ -181,7 +181,7 @@ uint32_t ZEXPORT crc32_no_comp(uint32_t crc, const Bytef *buf, uInt len)
     const uint32_t *tab = crc_table;
     const uint32_t *b =(const uint32_t *)buf;
     size_t rem_len;
-#ifdef DYNAMIC_CRC_TABLE
+#ifdef CONFIG_DYNAMIC_CRC_TABLE
     if (crc_table_empty)
       make_crc_table();
 #endif