diff options
Diffstat (limited to 'package/libs/wolfssl')
| -rw-r--r-- | package/libs/wolfssl/patches/001-Maths-x86-asm-change-asm-snippets-to-get-compiling.patch | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/package/libs/wolfssl/patches/001-Maths-x86-asm-change-asm-snippets-to-get-compiling.patch b/package/libs/wolfssl/patches/001-Maths-x86-asm-change-asm-snippets-to-get-compiling.patch new file mode 100644 index 0000000000..091b241285 --- /dev/null +++ b/package/libs/wolfssl/patches/001-Maths-x86-asm-change-asm-snippets-to-get-compiling.patch @@ -0,0 +1,123 @@ +From fa8f23284d4689c2a737204b337b58d966dcbd8c Mon Sep 17 00:00:00 2001 +From: Sean Parkinson <sean@wolfssl.com> +Date: Fri, 20 Aug 2021 10:23:38 +1000 +Subject: [PATCH] Maths x86 asm: change asm snippets to get compiling + +TFM: + Use register or memory for c0, c1, c2 in SQRADD and SQRADD2. +SP: + Use register or memory for vl, vh, vo in SP_ASM_MUL_ADD, +SP_ASM_MUL_ADD2 and SP_ASM_SQR_ADD. +--- + wolfcrypt/src/asm.c | 29 ++++++++++++++++++++--------- + wolfcrypt/src/sp_int.c | 6 +++--- + 2 files changed, 23 insertions(+), 12 deletions(-) + +diff --git a/wolfcrypt/src/asm.c b/wolfcrypt/src/asm.c +index b7f53d073..a37e75e02 100644 +--- a/wolfcrypt/src/asm.c ++++ b/wolfcrypt/src/asm.c +@@ -698,33 +698,39 @@ __asm__( \ + + #define SQRADD(i, j) \ + __asm__( \ +- "movl %6,%%eax \n\t" \ ++ "movl %3,%%eax \n\t" \ + "mull %%eax \n\t" \ + "addl %%eax,%0 \n\t" \ + "adcl %%edx,%1 \n\t" \ + "adcl $0,%2 \n\t" \ +- :"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "m"(i) :"%eax","%edx","cc"); ++ :"+rm"(c0), "+rm"(c1), "+rm"(c2) \ ++ : "m"(i) \ ++ :"%eax","%edx","cc"); + + #define SQRADD2(i, j) \ + __asm__( \ +- "movl %6,%%eax \n\t" \ +- "mull %7 \n\t" \ ++ "movl %3,%%eax \n\t" \ ++ "mull %4 \n\t" \ + "addl %%eax,%0 \n\t" \ + "adcl %%edx,%1 \n\t" \ + "adcl $0,%2 \n\t" \ + "addl %%eax,%0 \n\t" \ + "adcl %%edx,%1 \n\t" \ + "adcl $0,%2 \n\t" \ +- :"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "m"(i), "m"(j) :"%eax","%edx", "cc"); ++ :"+rm"(c0), "+rm"(c1), "+rm"(c2) \ ++ : "m"(i), "m"(j) \ ++ :"%eax","%edx", "cc"); + + #define SQRADDSC(i, j) \ +-__asm__( \ ++__asm__( \ + "movl %3,%%eax \n\t" \ + "mull %4 \n\t" \ + "movl %%eax,%0 \n\t" \ + "movl %%edx,%1 \n\t" \ + "xorl %2,%2 \n\t" \ +- :"=r"(sc0), "=r"(sc1), "=r"(sc2): "g"(i), "g"(j) :"%eax","%edx","cc"); ++ :"=r"(sc0), "=r"(sc1), "=r"(sc2) \ ++ : "g"(i), "g"(j) \ ++ :"%eax","%edx","cc"); + + #define SQRADDAC(i, j) \ + __asm__( \ +@@ -733,7 +739,9 @@ __asm__( \ + "addl %%eax,%0 \n\t" \ + "adcl %%edx,%1 \n\t" \ + "adcl $0,%2 \n\t" \ +- :"=r"(sc0), "=r"(sc1), "=r"(sc2): "0"(sc0), "1"(sc1), "2"(sc2), "g"(i), "g"(j) :"%eax","%edx","cc"); ++ :"=r"(sc0), "=r"(sc1), "=r"(sc2) \ ++ : "0"(sc0), "1"(sc1), "2"(sc2), "g"(i), "g"(j) \ ++ :"%eax","%edx","cc"); + + #define SQRADDDB \ + __asm__( \ +@@ -743,7 +751,10 @@ __asm__( \ + "addl %6,%0 \n\t" \ + "adcl %7,%1 \n\t" \ + "adcl %8,%2 \n\t" \ +- :"=r"(c0), "=r"(c1), "=r"(c2) : "0"(c0), "1"(c1), "2"(c2), "r"(sc0), "r"(sc1), "r"(sc2) : "cc"); ++ :"=r"(c0), "=r"(c1), "=r"(c2) \ ++ : "0"(c0), "1"(c1), "2"(c2), "r"(sc0), "r"(sc1), \ ++ "r"(sc2) \ ++ : "cc"); + + #elif defined(TFM_X86_64) + /* x86-64 optimized */ +diff --git a/wolfcrypt/src/sp_int.c b/wolfcrypt/src/sp_int.c +index 6070faaa9..d26702e47 100644 +--- a/wolfcrypt/src/sp_int.c ++++ b/wolfcrypt/src/sp_int.c +@@ -477,7 +477,7 @@ static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo, + "addl %%eax, %[l] \n\t" \ + "adcl %%edx, %[h] \n\t" \ + "adcl $0 , %[o] \n\t" \ +- : [l] "+r" (vl), [h] "+r" (vh), [o] "+r" (vo) \ ++ : [l] "+rm" (vl), [h] "+rm" (vh), [o] "+rm" (vo) \ + : [a] "r" (va), [b] "r" (vb) \ + : "eax", "edx", "cc" \ + ) +@@ -503,7 +503,7 @@ static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo, + "addl %%eax, %[l] \n\t" \ + "adcl %%edx, %[h] \n\t" \ + "adcl $0 , %[o] \n\t" \ +- : [l] "+r" (vl), [h] "+r" (vh), [o] "+r" (vo) \ ++ : [l] "+rm" (vl), [h] "+rm" (vh), [o] "+rm" (vo) \ + : [a] "r" (va), [b] "r" (vb) \ + : "eax", "edx", "cc" \ + ) +@@ -542,7 +542,7 @@ static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo, + "addl %%eax, %[l] \n\t" \ + "adcl %%edx, %[h] \n\t" \ + "adcl $0 , %[o] \n\t" \ +- : [l] "+r" (vl), [h] "+r" (vh), [o] "+r" (vo) \ ++ : [l] "+rm" (vl), [h] "+rm" (vh), [o] "+rm" (vo) \ + : [a] "m" (va) \ + : "eax", "edx", "cc" \ + ) +-- +2.31.1 + |