diff options
Diffstat (limited to 'debian/patches/0001-bn_mul.h-require-at-least-ARMv6-to-enable-the-ARM-DS.patch')
| -rw-r--r-- | debian/patches/0001-bn_mul.h-require-at-least-ARMv6-to-enable-the-ARM-DS.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/debian/patches/0001-bn_mul.h-require-at-least-ARMv6-to-enable-the-ARM-DS.patch b/debian/patches/0001-bn_mul.h-require-at-least-ARMv6-to-enable-the-ARM-DS.patch new file mode 100644 index 00000000..eb3c13d6 --- /dev/null +++ b/debian/patches/0001-bn_mul.h-require-at-least-ARMv6-to-enable-the-ARM-DS.patch @@ -0,0 +1,33 @@ +From: Aurelien Jarno <aurelien@aurel32.net> +Date: Sat, 3 Nov 2018 00:46:06 +0100 +Subject: bn_mul.h: require at least ARMv6 to enable the ARM DSP code + +Commit 16b1bd89326e "bn_mul.h: add ARM DSP optimized MULADDC code" +added some ARM DSP instructions that was assumed to always be available +when __ARM_FEATURE_DSP is defined to 1. Unfortunately it appears that +the ARMv5TE architecture (GCC flag -march=armv5te) supports the DSP +instructions, but only in Thumb mode and not in ARM mode, despite +defining __ARM_FEATURE_DSP in both cases. + +This patch fixes the build issue by requiring at least ARMv6 in addition +to the DSP feature. + +[jcowgill: Cherry-picked from upstream PR #2169] +--- + include/mbedtls/bn_mul.h | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/include/mbedtls/bn_mul.h b/include/mbedtls/bn_mul.h +index c33bd8d..748975e 100644 +--- a/include/mbedtls/bn_mul.h ++++ b/include/mbedtls/bn_mul.h +@@ -642,7 +642,8 @@ + "r6", "r7", "r8", "r9", "cc" \ + ); + +-#elif defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1) ++#elif (__ARM_ARCH >= 6) && \ ++ defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1) + + #define MULADDC_INIT \ + asm( |