From 4f024b7ba9b472d1ec80b05cec49e8d41c370aa3 Mon Sep 17 00:00:00 2001 From: Paul Bakker Date: Tue, 30 Oct 2012 07:29:57 +0000 Subject: [PATCH] - Fixed for SPARC64 --- ChangeLog | 1 + include/polarssl/bn_mul.h | 90 ++++++++++++++++++++++++++++++--------- 2 files changed, 71 insertions(+), 20 deletions(-) diff --git a/ChangeLog b/ChangeLog index 2d9891135..ae404d844 100644 --- a/ChangeLog +++ b/ChangeLog @@ -61,6 +61,7 @@ Bugfix * mpi_add_abs() now correctly handles adding short numbers to long numbers with carry rollover (found by Ruslan Yushchenko) * Handle existence of OpenSSL Trust Extensions at end of X.509 DER blob + * Fixed MPI assembly for SPARC64 platform Security * Fixed potential memory corruption on miscrafted client messages (found by diff --git a/include/polarssl/bn_mul.h b/include/polarssl/bn_mul.h index 596556342..ae6e2d658 100644 --- a/include/polarssl/bn_mul.h +++ b/include/polarssl/bn_mul.h @@ -395,32 +395,82 @@ #endif /* PPC32 */ #endif /* PPC64 */ -#if defined(__sparc__) +#if defined(__sparc__) && defined(__sparc64__) #define MULADDC_INIT \ - asm( "ld %0, %%o0 " :: "m" (s)); \ - asm( "ld %0, %%o1 " :: "m" (d)); \ - asm( "ld %0, %%o2 " :: "m" (c)); \ - asm( "ld %0, %%o3 " :: "m" (b)); + asm( \ + " \ + ldx %3, %%o0; \ + ldx %4, %%o1; \ + ld %5, %%o2; \ + ld %6, %%o3; \ + " #define MULADDC_CORE \ - asm( "ld [%o0], %o4 " ); \ - asm( "inc 4, %o0 " ); \ - asm( "ld [%o1], %o5 " ); \ - asm( "umul %o3, %o4, %o4 " ); \ - asm( "addcc %o4, %o2, %o4 " ); \ - asm( "rd %y, %g1 " ); \ - asm( "addx %g1, 0, %g1 " ); \ - asm( "addcc %o4, %o5, %o4 " ); \ - asm( "st %o4, [%o1] " ); \ - asm( "addx %g1, 0, %o2 " ); \ - asm( "inc 4, %o1 " ); + " \ + ld [%%o0], %%o4; \ + inc 4, %%o0; \ + ld [%%o1], %%o5; \ + umul %%o3, %%o4, %%o4; \ + addcc %%o4, %%o2, %%o4; \ + rd %%y, %%g1; \ + addx %%g1, 0, %%g1; \ + addcc %%o4, %%o5, %%o4; \ + st %%o4, [%%o1]; \ + addx %%g1, 0, %%o2; \ + inc 4, %%o1; \ + " #define MULADDC_STOP \ - asm( "st %%o2, %0 " : "=m" (c)); \ - asm( "st %%o1, %0 " : "=m" (d)); \ - asm( "st %%o0, %0 " : "=m" (s) :: \ - "g1", "o0", "o1", "o2", "o3", "o4", "o5" ); + " \ + st %%o2, %0; \ + stx %%o1, %1; \ + stx %%o0, %2; \ + " \ + : "=m" (c), "=m" (d), "=m" (s) \ + : "m" (s), "m" (d), "m" (c), "m" (b) \ + : "g1", "o0", "o1", "o2", "o3", "o4", \ + "o5" \ + ); +#endif /* SPARCv9 */ + +#if defined(__sparc__) && !defined(__sparc64__) + +#define MULADDC_INIT \ + asm( \ + " \ + ld %3, %%o0; \ + ld %4, %%o1; \ + ld %5, %%o2; \ + ld %6, %%o3; \ + " + +#define MULADDC_CORE \ + " \ + ld [%%o0], %%o4; \ + inc 4, %%o0; \ + ld [%%o1], %%o5; \ + umul %%o3, %%o4, %%o4; \ + addcc %%o4, %%o2, %%o4; \ + rd %%y, %%g1; \ + addx %%g1, 0, %%g1; \ + addcc %%o4, %%o5, %%o4; \ + st %%o4, [%%o1]; \ + addx %%g1, 0, %%o2; \ + inc 4, %%o1; \ + " + +#define MULADDC_STOP \ + " \ + st %%o2, %0; \ + st %%o1, %1; \ + st %%o0, %2; \ + " \ + : "=m" (c), "=m" (d), "=m" (s) \ + : "m" (s), "m" (d), "m" (c), "m" (b) \ + : "g1", "o0", "o1", "o2", "o3", "o4", \ + "o5" \ + ); #endif /* SPARCv8 */