commit b88dbdded6bdfdcc0549a193bdd3988267b24da6
author Kazuyuki Kimura <k-kimura@sisynergy.com> Mon May 31 17:07:28 2021 +0900
committer Dave Rodgman <dave.rodgman@arm.com> Mon May 30 17:55:07 2022 +0100
tree 81016ec6b71519331574bb932f38486a0dff6f06
parent a3344f7bacd803e487012c0ad0cfef5316edf036

fix issue #2020
Fixed a bug that the little-endian Microblaze does not work when MBEDTLS_HAVE_ASM is defined.

Signed-off-by: Kazuyuki Kimura <kim@wing.ocn.ne.jp>
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>

library/bn_mul.h

diff --git a/library/bn_mul.h b/library/bn_mul.h
index 962d7a9..4066f00 100644
--- a/library/bn_mul.h
+++ b/library/bn_mul.h
@@ -566,10 +566,20 @@
         "andi  r7,   r6, 0xffff \n\t"   \
         "bsrli r6,   r6, 16     \n\t"
 
-#define MULADDC_X1_CORE                 \
+#if(__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
+#define MULADDC_LHUI                    \
+        "lhui  r9,   r3,   0    \n\t"   \
+        "addi  r3,   r3,   2    \n\t"   \
+        "lhui  r8,   r3,   0    \n\t"
+#else
+#define MULADDC_LHUI                    \
         "lhui  r8,   r3,   0    \n\t"   \
         "addi  r3,   r3,   2    \n\t"   \
-        "lhui  r9,   r3,   0    \n\t"   \
+        "lhui  r9,   r3,   0    \n\t"
+#endif
+
+#define MULADDC_X1_CORE                    \
+        MULADDC_LHUI                    \
         "addi  r3,   r3,   2    \n\t"   \
         "mul   r10,  r9,  r6    \n\t"   \
         "mul   r11,  r8,  r7    \n\t"   \