summaryrefslogtreecommitdiff
path: root/toolchain/glibc/patches/2.38/m68k-m68040.patch
blob: 7631a00f69aebb6d752f585c405fd9e226c7fc15 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
diff -Nur glibc-2.38.orig/sysdeps/m68k/m680x0/bits/flt-eval-method.h glibc-2.38/sysdeps/m68k/m680x0/bits/flt-eval-method.h
--- glibc-2.38.orig/sysdeps/m68k/m680x0/bits/flt-eval-method.h	2023-07-31 19:54:16.000000000 +0200
+++ glibc-2.38/sysdeps/m68k/m680x0/bits/flt-eval-method.h	1970-01-01 01:00:00.000000000 +0100
@@ -1,25 +0,0 @@
-/* Define __GLIBC_FLT_EVAL_METHOD.  M68K version.
-   Copyright (C) 2016-2023 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#ifndef _MATH_H
-# error "Never use <bits/flt-eval-method.h> directly; include <math.h> instead."
-#endif
-
-/* The m68k FPUs evaluate all values in the 96-bit floating-point
-   format which is also available for the user as 'long double'.  */
-#define __GLIBC_FLT_EVAL_METHOD	2
diff -Nur glibc-2.38.orig/sysdeps/m68k/m680x0/lshift.S glibc-2.38/sysdeps/m68k/m680x0/lshift.S
--- glibc-2.38.orig/sysdeps/m68k/m680x0/lshift.S	2023-07-31 19:54:16.000000000 +0200
+++ glibc-2.38/sysdeps/m68k/m680x0/lshift.S	1970-01-01 01:00:00.000000000 +0100
@@ -1,168 +0,0 @@
-/* mc68020 __mpn_lshift -- Shift left a low-level natural-number integer.
-
-Copyright (C) 1996-2023 Free Software Foundation, Inc.
-
-This file is part of the GNU MP Library.
-
-The GNU MP Library is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 2.1 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
-WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
-License for more details.
-
-You should have received a copy of the GNU Lesser General Public License
-along with the GNU MP Library.  If not, see <https://www.gnu.org/licenses/>.  */
-
-/*
-  INPUT PARAMETERS
-  res_ptr	(sp + 4)
-  s_ptr		(sp + 8)
-  s_size	(sp + 16)
-  cnt		(sp + 12)
-*/
-
-#include "sysdep.h"
-#include "asm-syntax.h"
-
-#define res_ptr a1
-#define s_ptr a0
-#define s_size d6
-#define cnt d4
-
-	TEXT
-ENTRY(__mpn_lshift)
-
-/* Save used registers on the stack.  */
-	moveml	R(d2)-R(d6)/R(a2),MEM_PREDEC(sp)
-	cfi_adjust_cfa_offset (6*4)
-	cfi_rel_offset (R(d2), 0)
-	cfi_rel_offset (R(d3), 4)
-	cfi_rel_offset (R(d4), 8)
-	cfi_rel_offset (R(d5), 12)
-	cfi_rel_offset (R(d6), 16)
-	cfi_rel_offset (R(a2), 20)
-
-/* 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(Lnormal)
-	cmpl	R(s_ptr),R(res_ptr)
-	bls	L(Lspecial)		/* jump if s_ptr >= res_ptr */
-#if (defined (__mc68020__) || defined (__NeXT__) || defined(mc68020))
-	lea	MEM_INDX1(s_ptr,s_size,l,4),R(a2)
-#else /* not mc68020 */
-	movel	R(s_size),R(d0)
-	asll	#2,R(d0)
-	lea	MEM_INDX(s_ptr,d0,l),R(a2)
-#endif
-	cmpl	R(res_ptr),R(a2)
-	bls	L(Lspecial)		/* jump if res_ptr >= s_ptr + s_size */
-
-L(Lnormal:)
-	moveql	#32,R(d5)
-	subl	R(cnt),R(d5)
-
-#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
-	movel	MEM_PREDEC(s_ptr),R(d2)
-	movel	R(d2),R(d0)
-	lsrl	R(d5),R(d0)		/* compute carry limb */
-
-	lsll	R(cnt),R(d2)
-	movel	R(d2),R(d1)
-	subql	#1,R(s_size)
-	beq	L(Lend)
-	lsrl	#1,R(s_size)
-	bcs	L(L1)
-	subql	#1,R(s_size)
-
-L(Loop:)
-	movel	MEM_PREDEC(s_ptr),R(d2)
-	movel	R(d2),R(d3)
-	lsrl	R(d5),R(d3)
-	orl	R(d3),R(d1)
-	movel	R(d1),MEM_PREDEC(res_ptr)
-	lsll	R(cnt),R(d2)
-L(L1:)
-	movel	MEM_PREDEC(s_ptr),R(d1)
-	movel	R(d1),R(d3)
-	lsrl	R(d5),R(d3)
-	orl	R(d3),R(d2)
-	movel	R(d2),MEM_PREDEC(res_ptr)
-	lsll	R(cnt),R(d1)
-
-	dbf	R(s_size),L(Loop)
-	subl	#0x10000,R(s_size)
-	bcc	L(Loop)
-
-L(Lend:)
-	movel	R(d1),MEM_PREDEC(res_ptr) /* store least significant limb */
-
-/* Restore used registers from stack frame.  */
-	moveml	MEM_POSTINC(sp),R(d2)-R(d6)/R(a2)
-	cfi_remember_state
-	cfi_adjust_cfa_offset (-6*4)
-	cfi_restore (R(d2))
-	cfi_restore (R(d3))
-	cfi_restore (R(d4))
-	cfi_restore (R(d5))
-	cfi_restore (R(d6))
-	cfi_restore (R(a2))
-	rts
-
-/* We loop from least significant end of the arrays, which is only
-   permissible if the source and destination don't overlap, since the
-   function is documented to work for overlapping source and destination.  */
-
-	cfi_restore_state
-L(Lspecial:)
-	clrl	R(d0)			/* initialize carry */
-	eorw	#1,R(s_size)
-	lsrl	#1,R(s_size)
-	bcc	L(LL1)
-	subql	#1,R(s_size)
-
-L(LLoop:)
-	movel	MEM_POSTINC(s_ptr),R(d2)
-	addxl	R(d2),R(d2)
-	movel	R(d2),MEM_POSTINC(res_ptr)
-L(LL1:)
-	movel	MEM_POSTINC(s_ptr),R(d2)
-	addxl	R(d2),R(d2)
-	movel	R(d2),MEM_POSTINC(res_ptr)
-
-	dbf	R(s_size),L(LLoop)
-	addxl	R(d0),R(d0)		/* save cy in lsb */
-	subl	#0x10000,R(s_size)
-	bcs	L(LLend)
-	lsrl	#1,R(d0)		/* restore cy */
-	bra	L(LLoop)
-
-L(LLend:)
-/* Restore used registers from stack frame.  */
-	moveml	MEM_POSTINC(sp),R(d2)-R(d6)/R(a2)
-	cfi_adjust_cfa_offset (-6*4)
-	cfi_restore (R(d2))
-	cfi_restore (R(d3))
-	cfi_restore (R(d4))
-	cfi_restore (R(d5))
-	cfi_restore (R(d6))
-	cfi_restore (R(a2))
-	rts
-END(__mpn_lshift)
diff -Nur glibc-2.38.orig/sysdeps/m68k/m680x0/m68020/wordcopy.S glibc-2.38/sysdeps/m68k/m680x0/m68020/wordcopy.S
--- glibc-2.38.orig/sysdeps/m68k/m680x0/m68020/wordcopy.S	2023-07-31 19:54:16.000000000 +0200
+++ glibc-2.38/sysdeps/m68k/m680x0/m68020/wordcopy.S	1970-01-01 01:00:00.000000000 +0100
@@ -1 +0,0 @@
-/* Empty, not needed.  */
diff -Nur glibc-2.38.orig/sysdeps/m68k/wordcopy.c glibc-2.38/sysdeps/m68k/wordcopy.c
--- glibc-2.38.orig/sysdeps/m68k/wordcopy.c	1970-01-01 01:00:00.000000000 +0100
+++ glibc-2.38/sysdeps/m68k/wordcopy.c	2023-08-10 16:23:10.972526508 +0200
@@ -0,0 +1,21 @@
+/* Definitions for memory copy functions.  Motorola 68020 version.                                                                                                                                                 
+   Copyright (C) 2023 Free Software Foundation, Inc.                                                                                                                                                               
+   This file is part of the GNU C Library.                                                                                                                                                                         
+                                                                                                                                                                                                                   
+   The GNU C Library is free software; you can redistribute it and/or                                                                                                                                              
+   modify it under the terms of the GNU Lesser General Public                                                                                                                                                      
+   License as published by the Free Software Foundation; either                                                                                                                                                    
+   version 2.1 of the License, or (at your option) any later version.                                                                                                                                              
+                                                                                                                                                                                                                   
+   The GNU C Library 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                                                                                                                                               
+   Lesser General Public License for more details.                                                                                                                                                                 
+                                                                                                                                                                                                                   
+   You should have received a copy of the GNU Lesser General Public                                                                                                                                                
+   License along with the GNU C Library.  If not, see                                                                                                                                                              
+   <https://www.gnu.org/licenses/>.  */                                                                                                                                                                            
+                                                                                                                                                                                                                   
+#if !defined(__mc68020__) && !defined(mc68020)                                                                                                                                                                     
+#include <string/wordcopy.c>                                                                                                                                                                                       
+#endif