includes: Move *abs() declarations into `stdlib.h`

Change-Id: Id4df2d3210735bee737353d293450e59cf93bd9a
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55593
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

2 files changed, 9 insertions, 3 deletions

diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h
index a33d8bb38279..7701a052c2a7 100644
--- a/payloads/libpayload/include/libpayload.h
+++ b/payloads/libpayload/include/libpayload.h
@@ -441,9 +441,6 @@ int exec(long addr, int argc, char **argv);
  */
 int bcd2dec(int b);
 int dec2bcd(int d);
-int abs(int j);
-long int labs(long int j);
-long long int llabs(long long int j);
 u8 bin2hex(u8 b);
 u8 hex2bin(u8 h);
 void hexdump(const void *memory, size_t length);
diff --git a/payloads/libpayload/include/stdlib.h b/payloads/libpayload/include/stdlib.h
index a6bc8e8b0266..eb014f45330c 100644
--- a/payloads/libpayload/include/stdlib.h
+++ b/payloads/libpayload/include/stdlib.h
@@ -201,6 +201,15 @@ int rand(void);
 void srand(unsigned int seed);
 /** @} */
 
+/**
+ * @defgroup misc Misc functions
+ * @{
+ */
+int abs(int j);
+long int labs(long int j);
+long long int llabs(long long int j);
+/** @} */
+
 /* Enter remote GDB mode. Will initialize connection if not already up. */
 void gdb_enter(void);
 /* Disconnect existing GDB connection if one exists. */