aboutsummaryrefslogtreecommitdiff
path: root/devel/avr-gcc/files/patch-zz-atmega256x
blob: 0fcaf7b3e43fe80e05b0d50f5b9e4cd9e6867b02 (plain) (blame)
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
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
Index: gcc/config/avr/avr.c
===================================================================
--- gcc/config/avr/avr.c	(revision 124356)
+++ gcc/config/avr/avr.c	(working copy)
@@ -129,22 +129,27 @@
 /* Core have 'MOVW' and 'LPM Rx,Z' instructions.  */
 int avr_have_movw_lpmx_p = 0;
 
+/* Core have 'EIJMP' and 'EICALL' instructions.  */
+int avr_have_eijmp_eicall_p = 0;
+
 struct base_arch_s {
   int asm_only;
   int enhanced;
   int mega;
   int have_movw_lpmx;
+  int have_eijmp_eicall;
   const char *const macro;
 };
 
 static const struct base_arch_s avr_arch_types[] = {
-  { 1, 0, 0, 0,  NULL },  /* unknown device specified */
-  { 1, 0, 0, 0, "__AVR_ARCH__=1" },
-  { 0, 0, 0, 0, "__AVR_ARCH__=2" },
-  { 0, 0, 0, 1, "__AVR_ARCH__=25"},
-  { 0, 0, 1, 0, "__AVR_ARCH__=3" },
-  { 0, 1, 0, 1, "__AVR_ARCH__=4" },
-  { 0, 1, 1, 1, "__AVR_ARCH__=5" }
+  { 1, 0, 0, 0, 0,  NULL },  /* unknown device specified */
+  { 1, 0, 0, 0, 0, "__AVR_ARCH__=1" },
+  { 0, 0, 0, 0, 0, "__AVR_ARCH__=2" },
+  { 0, 0, 0, 1, 0, "__AVR_ARCH__=25"},
+  { 0, 0, 1, 0, 0, "__AVR_ARCH__=3" },
+  { 0, 1, 0, 1, 0, "__AVR_ARCH__=4" },
+  { 0, 1, 1, 1, 0, "__AVR_ARCH__=5" },
+  { 0, 1, 1, 1, 1, "__AVR_ARCH__=6" }
 };
 
 /* These names are used as the index into the avr_arch_types[] table 
@@ -158,7 +163,8 @@
   ARCH_AVR25,
   ARCH_AVR3,
   ARCH_AVR4,
-  ARCH_AVR5
+  ARCH_AVR5,
+  ARCH_AVR6
 };
 
 struct mcu_type_s {
@@ -269,6 +275,10 @@
   { "at90usb1286",  ARCH_AVR5, "__AVR_AT90USB1286__" },
   { "at90usb1287",  ARCH_AVR5, "__AVR_AT90USB1287__" },
   { "at94k",        ARCH_AVR5, "__AVR_AT94K__" },
+    /* 3-Byte PC */
+  { "avr6",         ARCH_AVR6, NULL },
+  { "atmega2560",   ARCH_AVR6, "__AVR_ATmega2560__" },
+  { "atmega2561",   ARCH_AVR6, "__AVR_ATmega2561__" },
     /* Assembler only.  */
   { "avr1",         ARCH_AVR1, NULL },
   { "at90s1200",    ARCH_AVR1, "__AVR_AT90S1200__" },
@@ -351,6 +361,7 @@
   avr_enhanced_p = base->enhanced;
   avr_mega_p = base->mega;
   avr_have_movw_lpmx_p = base->have_movw_lpmx;
+  avr_have_eijmp_eicall_p = base->have_eijmp_eicall;
   avr_base_arch_macro = base->macro;
   avr_extra_arch_macro = t->macro;
 
@@ -480,9 +491,10 @@
   else
     {
       int offset = frame_pointer_needed ? 2 : 0;
+      int avr_pc_size = avr_have_eijmp_eicall_p ? 3 : 2;
 
       offset += avr_regs_to_save (NULL);
-      return get_frame_size () + 2 + 1 + offset;
+      return get_frame_size () + (avr_pc_size) + 1 + offset;
     }
 }
 
@@ -1103,7 +1115,7 @@
 	  && ((GET_CODE (addr) == SYMBOL_REF && SYMBOL_REF_FUNCTION_P (addr))
 	      || GET_CODE (addr) == LABEL_REF))
 	{
-	  fprintf (file, "pm(");
+	  fprintf (file, "gs(");
 	  output_addr_const (file,addr);
 	  fprintf (file ,")");
 	}
@@ -1128,6 +1140,11 @@
       if (!AVR_MEGA)
 	fputc ('r', file);
     }
+  else if (code == '!')
+    {
+      if (AVR_HAVE_EIJMP_EICALL)
+	fputc ('e', file);
+    }
   else if (REG_P (x))
     {
       if (x == zero_reg_rtx)
@@ -4524,7 +4541,7 @@
       && ((GET_CODE (x) == SYMBOL_REF && SYMBOL_REF_FUNCTION_P (x))
 	  || GET_CODE (x) == LABEL_REF))
     {
-      fputs ("\t.word\tpm(", asm_out_file);
+      fputs ("\t.word\tgs(", asm_out_file);
       output_addr_const (asm_out_file, x);
       fputs (")\n", asm_out_file);
       return true;
@@ -5898,7 +5915,7 @@
 {
   switch_to_section (progmem_section);
   if (AVR_MEGA)
-    fprintf (stream, "\t.word pm(.L%d)\n", value);
+    fprintf (stream, "\t.word gs(.L%d)\n", value);
   else
     fprintf (stream, "\trjmp .L%d\n", value);
 
--- gcc/config/avr/avr.h.orig	Sun Oct 28 00:13:49 2007
+++ gcc/config/avr/avr.h	Sun Oct 28 00:15:29 2007
@@ -36,6 +36,12 @@
 	builtin_define ("__AVR_HAVE_LPMX__");	\
       if (avr_asm_only_p)			\
 	builtin_define ("__AVR_ASM_ONLY__");	\
+      if (!avr_have_eijmp_eicall_p)		\
+	builtin_define ("__AVR_2_BYTE_PC__");	\
+      if (avr_have_eijmp_eicall_p)		\
+	builtin_define ("__AVR_3_BYTE_PC__");	\
+      if (avr_have_eijmp_eicall_p)		\
+	builtin_define ("__AVR_HAVE_EIJMP_EICALL__");	\
       if (avr_enhanced_p)			\
 	builtin_define ("__AVR_ENHANCED__");	\
       if (avr_enhanced_p)			\
@@ -53,6 +59,8 @@
 extern int avr_enhanced_p;
 extern int avr_asm_only_p;
 extern int avr_have_movw_lpmx_p;
+extern int avr_have_eijmp_eicall_p;
+
 #ifndef IN_LIBGCC2
 extern GTY(()) section *progmem_section;
 #endif
@@ -60,6 +68,7 @@
 #define AVR_MEGA (avr_mega_p && !TARGET_SHORT_CALLS)
 #define AVR_ENHANCED (avr_enhanced_p)
 #define AVR_HAVE_MOVW (avr_have_movw_lpmx_p)
+#define AVR_HAVE_EIJMP_EICALL (avr_have_eijmp_eicall_p)
 
 #define TARGET_VERSION fprintf (stderr, " (GNU assembler syntax)");
 
@@ -633,7 +642,7 @@
 
 #define PRINT_OPERAND(STREAM, X, CODE) print_operand (STREAM, X, CODE)
 
-#define PRINT_OPERAND_PUNCT_VALID_P(CODE) ((CODE) == '~')
+#define PRINT_OPERAND_PUNCT_VALID_P(CODE) ((CODE) == '~' || (CODE) == '!')
 
 #define PRINT_OPERAND_ADDRESS(STREAM, X) print_operand_address(STREAM, X)
 
@@ -779,6 +788,7 @@
   mmcu=at90pwm316|\
   mmcu=at90usb*|\
   mmcu=at94k:-m avr5}\
+%{mmcu=atmega256*:-m avr6}\
 %{mmcu=atmega324*|\
   mmcu=atmega325*|\
   mmcu=atmega328p|\
@@ -804,7 +814,8 @@
   mmcu=at90usb*: -Tdata 0x800100}\
 %{mmcu=atmega640|\
   mmcu=atmega1280|\
-  mmcu=atmega1281: -Tdata 0x800200} "
+  mmcu=atmega1281|\
+  mmcu=atmega256*: -Tdata 0x800200} "
 
 #define LIB_SPEC \
   "%{!mmcu=at90s1*:%{!mmcu=attiny11:%{!mmcu=attiny12:%{!mmcu=attiny15:%{!mmcu=attiny28: -lc }}}}}"
@@ -903,6 +914,8 @@
 %{mmcu=atmega128:crtm128.o%s} \
 %{mmcu=atmega1280:crtm1280.o%s} \
 %{mmcu=atmega1281:crtm1281.o%s} \
+%{mmcu=atmega2560:crtm2560.o%s} \
+%{mmcu=atmega2561:crtm2561.o%s} \
 %{mmcu=atmega8hva:crtm8hva.o%s} \
 %{mmcu=atmega16hva:crtm16hva.o%s} \
 %{mmcu=at90can32:crtcan32.o%s} \
Index: gcc/config/avr/avr.md
===================================================================
--- gcc/config/avr/avr.md	(revision 124356)
+++ gcc/config/avr/avr.md	(working copy)
@@ -33,6 +33,7 @@
 ;;  p  POST_INC or PRE_DEC address as a pointer (X, Y, Z)
 ;;  r  POST_INC or PRE_DEC address as a register (r26, r28, r30)
 ;;  ~  Output 'r' if not AVR_MEGA.
+;;  !  Output 'e' if AVR_HAVE_EIJMP_EICALL.
 
 ;; UNSPEC usage:
 ;;  0  Length of a string, see "strlenhi".
@@ -2100,22 +2101,22 @@
   "(register_operand (operands[0], HImode) || CONSTANT_P (operands[0]))"
   "*{
   if (which_alternative==0)
-     return \"icall\";
+     return \"%!icall\";
   else if (which_alternative==1)
     {
       if (AVR_HAVE_MOVW)
 	return (AS2 (movw, r30, %0) CR_TAB
-		\"icall\");
+               \"%!icall\");
       else
 	return (AS2 (mov, r30, %A0) CR_TAB
 		AS2 (mov, r31, %B0) CR_TAB
-		\"icall\");
+		\"%!icall\");
     }
   else if (which_alternative==2)
     return AS1(%~call,%c0);
   return (AS2 (ldi,r30,lo8(%0)) CR_TAB
           AS2 (ldi,r31,hi8(%0)) CR_TAB
-          \"icall\");
+          \"%!icall\");
 }"
   [(set_attr "cc" "clobber,clobber,clobber,clobber")
    (set_attr_alternative "length"
@@ -2137,22 +2138,22 @@
   "(register_operand (operands[0], VOIDmode) || CONSTANT_P (operands[0]))"
   "*{
   if (which_alternative==0)
-     return \"icall\";
+     return \"%!icall\";
   else if (which_alternative==1)
     {
       if (AVR_HAVE_MOVW)
 	return (AS2 (movw, r30, %1) CR_TAB
-		\"icall\");
+		\"%!icall\");
       else
 	return (AS2 (mov, r30, %A1) CR_TAB
 		AS2 (mov, r31, %B1) CR_TAB
-		\"icall\");
+		\"%!icall\");
     }
   else if (which_alternative==2)
     return AS1(%~call,%c1);
   return (AS2 (ldi, r30, lo8(%1)) CR_TAB
           AS2 (ldi, r31, hi8(%1)) CR_TAB
-          \"icall\");
+          \"%!icall\");
 }"
   [(set_attr "cc" "clobber,clobber,clobber,clobber")
    (set_attr_alternative "length"
@@ -2182,13 +2183,20 @@
 ; indirect jump
 (define_insn "indirect_jump"
   [(set (pc) (match_operand:HI 0 "register_operand" "!z,*r"))]
-  ""
+  "!AVR_HAVE_EIJMP_EICALL"
   "@
 	ijmp
 	push %A0\;push %B0\;ret"
   [(set_attr "length" "1,3")
    (set_attr "cc" "none,none")])
 
+(define_insn "*indirect_jump_avr6"
+  [(set (pc) (match_operand:HI 0 "register_operand" "z"))]
+  "AVR_HAVE_EIJMP_EICALL"
+  "eijmp"
+  [(set_attr "length" "1")
+   (set_attr "cc" "none")])
+
 ;; table jump
 
 ;; Table made from "rjmp" instructions for <=8K devices.
@@ -2197,7 +2205,7 @@
 			UNSPEC_INDEX_JMP))
    (use (label_ref (match_operand 1 "" "")))
    (clobber (match_dup 0))]
-  "!AVR_MEGA"
+  "(!AVR_MEGA) && (!AVR_HAVE_EIJMP_EICALL)"
   "@
 	ijmp
 	push %A0\;push %B0\;ret"
@@ -2226,7 +2234,7 @@
 	lpm __tmp_reg__,Z+
 	lpm r31,Z
 	mov r30,__tmp_reg__
-	ijmp"
+	%!ijmp"
   [(set_attr "length" "6")
    (set_attr "cc" "clobber")])
 
@@ -2235,7 +2243,7 @@
 			UNSPEC_INDEX_JMP))
    (use (label_ref (match_operand 1 "" "")))
    (clobber (match_dup 0))]
-  "AVR_MEGA"
+  "AVR_MEGA && !AVR_HAVE_EIJMP_EICALL"
   "lsl r30
 	rol r31
 	lpm
Index: gcc/config/avr/libgcc.S
===================================================================
--- gcc/config/avr/libgcc.S	(revision 124356)
+++ gcc/config/avr/libgcc.S	(working copy)
@@ -593,7 +593,12 @@
 	out	__SP_H__,r29
 	out	__SREG__,__tmp_reg__
 	out	__SP_L__,r28
+#if defined (__AVR_HAVE_EIJMP_EICALL__)
+	eijmp
+#else
 	ijmp
+#endif
+
 .endfunc
 #endif /* defined (L_prologue) */
 
@@ -672,13 +677,22 @@
 	lpm	__tmp_reg__, Z+
 	lpm	r31, Z
 	mov	r30, __tmp_reg__
+
+#if defined (__AVR_HAVE_EIJMP_EICALL__)
+	eijmp
+#else
 	ijmp
+#endif
+
 #else
 	lpm
 	adiw	r30, 1
 	push	r0
 	lpm
 	push	r0
+#if defined (__AVR_HAVE_EIJMP_EICALL__)
+        push    __zero_reg__
+#endif
 	ret
 #endif
 	.endfunc
Index: gcc/config/avr/t-avr
===================================================================
--- gcc/config/avr/t-avr	(revision 124356)
+++ gcc/config/avr/t-avr	(working copy)
@@ -37,8 +37,8 @@
 
 FPBIT = fp-bit.c
 
-MULTILIB_OPTIONS = mmcu=avr2/mmcu=avr25/mmcu=avr3/mmcu=avr4/mmcu=avr5
-MULTILIB_DIRNAMES = avr2 avr25 avr3 avr4 avr5
+MULTILIB_OPTIONS = mmcu=avr2/mmcu=avr25/mmcu=avr3/mmcu=avr4/mmcu=avr5/mmcu=avr6
+MULTILIB_DIRNAMES = avr2 avr25 avr3 avr4 avr5 avr6
 
 # The many avr2 matches are not listed here - this is the default.
 MULTILIB_MATCHES = \
@@ -111,7 +111,9 @@
 	mmcu?avr5=mmcu?at90usb647 \
 	mmcu?avr5=mmcu?at90usb1286 \
 	mmcu?avr5=mmcu?at90usb1287 \
-	mmcu?avr5=mmcu?at94k
+	mmcu?avr5=mmcu?at94k \
+	mmcu?avr6=mmcu?atmega2560 \
+	mmcu?avr6=mmcu?atmega2561
 
 MULTILIB_EXCEPTIONS =