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authorWerner Koch <wk@gnupg.org>1998-05-26 13:37:59 +0000
committerWerner Koch <wk@gnupg.org>1998-05-26 13:37:59 +0000
commit525b0bc632ccfef3b5d5b5829a082f5a2b6150ff (patch)
tree5ca7ba86848678c3198daadc917de67891e81798 /mpi/m68k
parent17e97734857f1032785583d760f19d0f23a431f7 (diff)
downloadlibgcrypt-525b0bc632ccfef3b5d5b5829a082f5a2b6150ff.tar.gz
add-key works
Diffstat (limited to 'mpi/m68k')
-rw-r--r--mpi/m68k/distfiles3
-rw-r--r--mpi/m68k/mpih-lshift.S (renamed from mpi/m68k/mpih-shift.S)142
-rw-r--r--mpi/m68k/mpih-rshift.S156
3 files changed, 165 insertions, 136 deletions
diff --git a/mpi/m68k/distfiles b/mpi/m68k/distfiles
index c69629e7..4c0967b8 100644
--- a/mpi/m68k/distfiles
+++ b/mpi/m68k/distfiles
@@ -1,5 +1,6 @@
syntax.h
-mpih-shift.S
+mpih-lshift.S
+mpih-rshift.S
mpih-add1.S
mpih-sub1.S
diff --git a/mpi/m68k/mpih-shift.S b/mpi/m68k/mpih-lshift.S
index 09b1bcd5..af305c84 100644
--- a/mpi/m68k/mpih-shift.S
+++ b/mpi/m68k/mpih-lshift.S
@@ -1,15 +1,15 @@
-/* mc68020 __mpn_lshift -- Shift left a low-level natural-number integer.
+/* mc68020 lshift -- Shift left a low-level natural-number integer.
-Copyright (C) 1996 Free Software Foundation, Inc.
+Copyright (C) 1996, 1998 Free Software Foundation, Inc.
-This file is part of the GNU MP Library.
+This file is part of GNUPG.
-The GNU MP Library is free software; you can redistribute it and/or modify
+GNUPG is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
-The GNU MP Library is distributed in the hope that it will be useful, but
+GNUPG is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
License for more details.
@@ -17,7 +17,8 @@ License for more details.
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
-MA 02111-1307, USA. */
+MA 02111-1307, USA.
+*/
#include "sysdep.h"
#include "asm-syntax.h"
@@ -154,133 +155,4 @@ EPILOG(mpihelp_lshift)
-/*******************
- * mpi_limb_t
- * mpihelp_rshift( mpi_ptr_t wp, (sp + 4)
- * mpi_ptr_t up, (sp + 8)
- * mpi_size_t usize, (sp + 12)
- * unsigned cnt) (sp + 16)
- */
-
-#define res_ptr a1
-#define s_ptr a0
-#define s_size d6
-#define cnt d4
-
- TEXT
- ALIGN
- GLOBL C_SYMBOL_NAME(mpihelp_rshift)
-
-C_SYMBOL_NAME(mpihelp_rshift:)
-PROLOG(mpihelp_rshift)
- /* Save used registers on the stack. */
- moveml R(d2)-R(d6)/R(a2),MEM_PREDEC(sp)
-
- /* Copy the arguments to registers. */
- movel MEM_DISP(sp,28),R(res_ptr)
- movel MEM_DISP(sp,32),R(s_ptr)
- movel MEM_DISP(sp,36),R(s_size)
- movel MEM_DISP(sp,40),R(cnt)
-
- moveql #1,R(d5)
- cmpl R(d5),R(cnt)
- bne L(Rnormal)
- cmpl R(res_ptr),R(s_ptr)
- bls L(Rspecial) /* jump if res_ptr >= s_ptr */
-#if (defined (__mc68020__) || defined (__NeXT__) || defined(mc68020))
- lea MEM_INDX1(res_ptr,s_size,l,4),R(a2)
-#else /* not mc68020 */
- movel R(s_size),R(d0)
- asll #2,R(d0)
- lea MEM_INDX(res_ptr,d0,l),R(a2)
-#endif
- cmpl R(s_ptr),R(a2)
- bls L(Rspecial) /* jump if s_ptr >= res_ptr + s_size */
-
-L(Rnormal:)
- moveql #32,R(d5)
- subl R(cnt),R(d5)
- movel MEM_POSTINC(s_ptr),R(d2)
- movel R(d2),R(d0)
- lsll R(d5),R(d0) /* compute carry limb */
-
- lsrl R(cnt),R(d2)
- movel R(d2),R(d1)
- subql #1,R(s_size)
- beq L(Rend)
- lsrl #1,R(s_size)
- bcs L(R1)
- subql #1,R(s_size)
-
-L(Roop:)
- movel MEM_POSTINC(s_ptr),R(d2)
- movel R(d2),R(d3)
- lsll R(d5),R(d3)
- orl R(d3),R(d1)
- movel R(d1),MEM_POSTINC(res_ptr)
- lsrl R(cnt),R(d2)
-L(R1:)
- movel MEM_POSTINC(s_ptr),R(d1)
- movel R(d1),R(d3)
- lsll R(d5),R(d3)
- orl R(d3),R(d2)
- movel R(d2),MEM_POSTINC(res_ptr)
- lsrl R(cnt),R(d1)
-
- dbf R(s_size),L(Roop)
- subl #0x10000,R(s_size)
- bcc L(Roop)
-
-L(Rend:)
- movel R(d1),MEM(res_ptr) /* store most significant limb */
-
-/* Restore used registers from stack frame. */
- moveml MEM_POSTINC(sp),R(d2)-R(d6)/R(a2)
- rts
-
-/* We loop from most significant end of the arrays, which is only
- permissable if the source and destination don't overlap, since the
- function is documented to work for overlapping source and destination. */
-
-L(Rspecial:)
-#if (defined (__mc68020__) || defined (__NeXT__) || defined(mc68020))
- lea MEM_INDX1(s_ptr,s_size,l,4),R(s_ptr)
- lea MEM_INDX1(res_ptr,s_size,l,4),R(res_ptr)
-#else /* not mc68000 */
- movel R(s_size),R(d0)
- asll #2,R(d0)
- addl R(s_size),R(s_ptr)
- addl R(s_size),R(res_ptr)
-#endif
-
- clrl R(d0) /* initialize carry */
- eorw #1,R(s_size)
- lsrl #1,R(s_size)
- bcc L(LR1)
- subql #1,R(s_size)
-
-L(LRoop:)
- movel MEM_PREDEC(s_ptr),R(d2)
- roxrl #1,R(d2)
- movel R(d2),MEM_PREDEC(res_ptr)
-L(LR1:)
- movel MEM_PREDEC(s_ptr),R(d2)
- roxrl #1,R(d2)
- movel R(d2),MEM_PREDEC(res_ptr)
-
- dbf R(s_size),L(LRoop)
- roxrl #1,R(d0) /* save cy in msb */
- subl #0x10000,R(s_size)
- bcs L(LRend)
- addl R(d0),R(d0) /* restore cy */
- bra L(LRoop)
-
-L(LRend:)
-/* Restore used registers from stack frame. */
- moveml MEM_POSTINC(sp),R(d2)-R(d6)/R(a2)
- rts
-EPILOG(mpihelp_rshift)
-
-
-
diff --git a/mpi/m68k/mpih-rshift.S b/mpi/m68k/mpih-rshift.S
new file mode 100644
index 00000000..5670888c
--- /dev/null
+++ b/mpi/m68k/mpih-rshift.S
@@ -0,0 +1,156 @@
+/* mc68020 rshift -- Shift right a low-level natural-number integer.
+
+Copyright (C) 1996, 1998 Free Software Foundation, Inc.
+
+This file is part of GNUPG.
+
+GNUPG is free software; you can redistribute it and/or modify
+it under the terms of the GNU Library General Public License as published by
+the Free Software Foundation; either version 2 of the License, or (at your
+option) any later version.
+
+GNUPG is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
+License for more details.
+
+You should have received a copy of the GNU Library General Public License
+along with the GNU MP Library; see the file COPYING.LIB. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA.
+*/
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+/*******************
+ * mpi_limb_t
+ * mpihelp_rshift( mpi_ptr_t wp, (sp + 4)
+ * mpi_ptr_t up, (sp + 8)
+ * mpi_size_t usize, (sp + 12)
+ * unsigned cnt) (sp + 16)
+ */
+
+#define res_ptr a1
+#define s_ptr a0
+#define s_size d6
+#define cnt d4
+
+ TEXT
+ ALIGN
+ GLOBL C_SYMBOL_NAME(mpihelp_rshift)
+
+C_SYMBOL_NAME(mpihelp_rshift:)
+PROLOG(mpihelp_rshift)
+ /* Save used registers on the stack. */
+ moveml R(d2)-R(d6)/R(a2),MEM_PREDEC(sp)
+
+ /* Copy the arguments to registers. */
+ movel MEM_DISP(sp,28),R(res_ptr)
+ movel MEM_DISP(sp,32),R(s_ptr)
+ movel MEM_DISP(sp,36),R(s_size)
+ movel MEM_DISP(sp,40),R(cnt)
+
+ moveql #1,R(d5)
+ cmpl R(d5),R(cnt)
+ bne L(Rnormal)
+ cmpl R(res_ptr),R(s_ptr)
+ bls L(Rspecial) /* jump if res_ptr >= s_ptr */
+#if (defined (__mc68020__) || defined (__NeXT__) || defined(mc68020))
+ lea MEM_INDX1(res_ptr,s_size,l,4),R(a2)
+#else /* not mc68020 */
+ movel R(s_size),R(d0)
+ asll #2,R(d0)
+ lea MEM_INDX(res_ptr,d0,l),R(a2)
+#endif
+ cmpl R(s_ptr),R(a2)
+ bls L(Rspecial) /* jump if s_ptr >= res_ptr + s_size */
+
+L(Rnormal:)
+ moveql #32,R(d5)
+ subl R(cnt),R(d5)
+ movel MEM_POSTINC(s_ptr),R(d2)
+ movel R(d2),R(d0)
+ lsll R(d5),R(d0) /* compute carry limb */
+
+ lsrl R(cnt),R(d2)
+ movel R(d2),R(d1)
+ subql #1,R(s_size)
+ beq L(Rend)
+ lsrl #1,R(s_size)
+ bcs L(R1)
+ subql #1,R(s_size)
+
+L(Roop:)
+ movel MEM_POSTINC(s_ptr),R(d2)
+ movel R(d2),R(d3)
+ lsll R(d5),R(d3)
+ orl R(d3),R(d1)
+ movel R(d1),MEM_POSTINC(res_ptr)
+ lsrl R(cnt),R(d2)
+L(R1:)
+ movel MEM_POSTINC(s_ptr),R(d1)
+ movel R(d1),R(d3)
+ lsll R(d5),R(d3)
+ orl R(d3),R(d2)
+ movel R(d2),MEM_POSTINC(res_ptr)
+ lsrl R(cnt),R(d1)
+
+ dbf R(s_size),L(Roop)
+ subl #0x10000,R(s_size)
+ bcc L(Roop)
+
+L(Rend:)
+ movel R(d1),MEM(res_ptr) /* store most significant limb */
+
+/* Restore used registers from stack frame. */
+ moveml MEM_POSTINC(sp),R(d2)-R(d6)/R(a2)
+ rts
+
+/* We loop from most significant end of the arrays, which is only
+ permissable if the source and destination don't overlap, since the
+ function is documented to work for overlapping source and destination. */
+
+L(Rspecial:)
+#if (defined (__mc68020__) || defined (__NeXT__) || defined(mc68020))
+ lea MEM_INDX1(s_ptr,s_size,l,4),R(s_ptr)
+ lea MEM_INDX1(res_ptr,s_size,l,4),R(res_ptr)
+#else /* not mc68000 */
+ movel R(s_size),R(d0)
+ asll #2,R(d0)
+ addl R(s_size),R(s_ptr)
+ addl R(s_size),R(res_ptr)
+#endif
+
+ clrl R(d0) /* initialize carry */
+ eorw #1,R(s_size)
+ lsrl #1,R(s_size)
+ bcc L(LR1)
+ subql #1,R(s_size)
+
+L(LRoop:)
+ movel MEM_PREDEC(s_ptr),R(d2)
+ roxrl #1,R(d2)
+ movel R(d2),MEM_PREDEC(res_ptr)
+L(LR1:)
+ movel MEM_PREDEC(s_ptr),R(d2)
+ roxrl #1,R(d2)
+ movel R(d2),MEM_PREDEC(res_ptr)
+
+ dbf R(s_size),L(LRoop)
+ roxrl #1,R(d0) /* save cy in msb */
+ subl #0x10000,R(s_size)
+ bcs L(LRend)
+ addl R(d0),R(d0) /* restore cy */
+ bra L(LRoop)
+
+L(LRend:)
+/* Restore used registers from stack frame. */
+ moveml MEM_POSTINC(sp),R(d2)-R(d6)/R(a2)
+ rts
+EPILOG(mpihelp_rshift)
+
+
+
+