1 /*-------------------------------------------------------------------------
2 lkmem.c - Create a memory summary file with extension .mem
4 Written By - Jesus Calvino-Fraga, jesusc@ieee.org (2002)
6 This program is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 -------------------------------------------------------------------------*/
27 int summary(struct area * areap)
29 #define EQ(A,B) !as_strcmpi((A),(B))
31 #define REPORT_ERROR(A, H) \
33 fprintf(of, "%s%s", (H)?"*** ERROR: ":"", (A)); \
34 fprintf(stderr, "%s%s", (H)?"\n?ASlink-Error-":"",(A)); \
38 #define REPORT_WARNING(A, H) \
40 fprintf(of, "%s%s", (H)?"*** WARNING: ":"", (A)); \
41 fprintf(stderr, "%s%s",(H)?"\n?ASlink-Warning-":"", (A)); \
46 unsigned int Total_Last=0, k;
51 /*Artifacts used for printing*/
52 char start[15], end[15], size[15], max[15];
53 char format[]=" %-16.16s %-8.8s %-8.8s %-8.8s %-8.8s\n";
54 char line[]="---------------------";
65 unsigned int dram[0x100];
67 {0, 0, 0, "REG_BANK_0", 0x0001},
68 {0x0, 0, 0, "REG_BANK_1", 0x0002},
69 {0x0, 0, 0, "REG_BANK_2", 0x0004},
70 {0x0, 0, 0, "REG_BANK_3", 0x0008},
71 {0x0, 0, 0, "BSEG_BYTES", 0x0010},
72 {0, 0, 256, "UNUSED", 0x0000},
73 {0xff, 0, 256, "DATA", 0x0020},
74 {0, 0, 256, "TOTAL:", 0x0000}
77 _Mem IRam= {0xff, 0, 0, "INDIRECT RAM", 0x0080};
78 _Mem Stack={0xff, 0, 1, "STACK", 0x0000};
79 _Mem XRam= {0xffff, 0, 65536, "EXTERNAL RAM", 0x0100};
80 _Mem Rom= {0xffff, 0, 65536, "ROM/EPROM/FLASH", 0x0200};
83 if(rflag) /*For the DS390*/
85 XRam.Max=0x1000000; /*24 bits*/
91 if((iram_size<=0)||(iram_size>0x100)) /*Default: 8052 like memory*/
99 else if(iram_size<0x80)
101 Ram[5].Max=iram_size;
102 Ram[6].Max=iram_size;
103 Ram[7].Max=iram_size;
111 IRam.Max=iram_size-0x80;
115 for(j=0; j<(int)iram_size; j++) dram[j]=0;
116 for(; j<0x100; j++) dram[j]=0x8000; /*Memory not available*/
118 /* Open Memory Summary File*/
119 of = afile(linkp->f_idp, "mem", 1);
128 /**/ if (EQ(xp->a_id, "REG_BANK_0"))
130 Ram[0].Size=xp->a_size;
132 else if (EQ(xp->a_id, "REG_BANK_1"))
134 Ram[1].Size=xp->a_size;
136 else if (EQ(xp->a_id, "REG_BANK_2"))
138 Ram[2].Size=xp->a_size;
140 else if (EQ(xp->a_id, "REG_BANK_3"))
142 Ram[3].Size=xp->a_size;
144 else if (EQ(xp->a_id, "BSEG_BYTES"))
146 Ram[4].Size=xp->a_size;
148 else if ( EQ(xp->a_id, "DSEG") || EQ(xp->a_id, "OSEG") )
150 Ram[6].Size+=xp->a_size;
151 if(xp->a_addr<Ram[6].Start) Ram[6].Start=xp->a_addr;
154 else if( EQ(xp->a_id, "CSEG") || EQ(xp->a_id, "GSINIT") ||
155 EQ(xp->a_id, "GSFINAL") || EQ(xp->a_id, "HOME") )
157 Rom.Size+=xp->a_size;
158 if(xp->a_addr<Rom.Start) Rom.Start=xp->a_addr;
161 else if (EQ(xp->a_id, "SSEG"))
163 Stack.Size+=xp->a_size;
164 if(xp->a_addr<Stack.Start) Stack.Start=xp->a_addr;
167 else if (EQ(xp->a_id, "XSEG") || EQ(xp->a_id, "XISEG"))
169 XRam.Size+=xp->a_size;
170 if(xp->a_addr<XRam.Start) XRam.Start=xp->a_addr;
173 else if (EQ(xp->a_id, "ISEG"))
175 IRam.Size+=xp->a_size;
176 if(xp->a_addr<IRam.Start) IRam.Start=xp->a_addr;
182 for(k=Ram[j].Start; (k<(Ram[j].Start+Ram[j].Size))&&(k<0x100); k++)
183 dram[k]|=Ram[j].flag; /*Mark as used*/
186 for(k=IRam.Start; (k<(IRam.Start+IRam.Size))&&(k<0x100); k++)
187 dram[k]|=IRam.flag; /*Mark as used*/
190 /*Compute the amount of unused memory in direct data Ram. This is the
191 gap between the last register bank or bit segment and the data segment.*/
192 for(k=Ram[6].Start-1; (dram[k]==0) && (k>0); k--);
194 Ram[5].Size=Ram[6].Start-Ram[5].Start; /*It may be zero (which is good!)*/
196 /*Compute the data Ram totals*/
199 if(Ram[7].Start>Ram[j].Start) Ram[7].Start=Ram[j].Start;
200 Ram[7].Size+=Ram[j].Size;
202 Total_Last=Ram[6].Size+Ram[6].Start-1;
204 /*Report the Ram totals*/
205 fprintf(of, "Direct Internal RAM:\n");
206 fprintf(of, format, "Name", "Start", "End", "Size", "Max");
210 if((j==0) || (j==7)) fprintf(of, format, line, line, line, line, line);
211 if((j!=5) || (Ram[j].Size>0))
213 sprintf(start, "0x%02lx", Ram[j].Start);
215 end[0]=0;/*Empty string*/
217 sprintf(end, "0x%02lx", j==7?Total_Last:Ram[j].Size+Ram[j].Start-1);
218 sprintf(size, "%5lu", Ram[j].Size);
219 sprintf(max, "%5lu", Ram[j].Max);
220 fprintf(of, format, Ram[j].Name, start, end, size, max);
225 for(k=Ram[6].Start; (k<(Ram[6].Start+Ram[6].Size))&&(k<0x100); k++)
227 if(dram[k]!=Ram[6].flag)
229 sprintf(buff, "Internal memory overlap starting at 0x%02x.\n", k);
230 REPORT_ERROR(buff, 1);
236 if(Ram[4].Size>Ram[4].Max)
238 k=Ram[4].Size-Ram[4].Max;
239 sprintf(buff, "Insufficient bit addressable memory. "
240 "%d byte%s short.\n", k, (k==1)?"":"s");
241 REPORT_ERROR(buff, 1);
246 sprintf(buff, "%ld bytes in data memory wasted. "
247 "SDCC link could use: --data-loc 0x%02lx\n",
248 Ram[5].Size, Ram[6].Start-Ram[5].Size);
249 REPORT_WARNING(buff, 1);
252 if((Ram[6].Start+Ram[6].Size)>Ram[6].Max)
254 k=(Ram[6].Start+Ram[6].Size)-Ram[6].Max;
255 sprintf(buff, "Insufficient space in data memory. "
256 "%d byte%s short.\n", k, (k==1)?"":"s");
257 REPORT_ERROR(buff, 1);
260 /*Report the position of the begining of the stack*/
261 fprintf(of, "\n%stack starts at: 0x%02lx (sp set to 0x%02lx)",
262 rflag ? "16 bit mode initial s" : "S", Stack.Start, Stack.Start-1);
265 /*Check that the stack pointer is landing in a safe place:*/
266 if( (dram[Stack.Start] & 0x8000) == 0x8000 )
269 sprintf(buff, "Stack set to unavailable memory.\n");
270 REPORT_ERROR(buff, 1);
272 else if(dram[Stack.Start])
275 sprintf(buff, "Stack overlaps area ");
276 REPORT_ERROR(buff, 1);
279 if(dram[Stack.Start]&Ram[j].flag)
281 sprintf(buff, "'%s'\n", Ram[j].Name);
285 if(dram[Stack.Start]&IRam.flag)
287 sprintf(buff, "'%s'\n", IRam.Name);
289 REPORT_ERROR(buff, 0);
293 for(j=Stack.Start, k=0; (j<(int)iram_size)&&(dram[j]==0); j++, k++);
294 fprintf(of, " with %d bytes available\n", k);
297 sprintf(buff, "Only %d byte%s available for stack.\n",
299 REPORT_WARNING(buff, 1);
304 fprintf(of, "\nOther memory:\n");
305 fprintf(of, format, "Name", "Start", "End", "Size", "Max");
306 fprintf(of, format, line, line, line, line, line);
308 /*Report IRam totals:*/
309 sprintf(start, "0x%02lx", IRam.Start);
311 end[0]=0;/*Empty string*/
313 sprintf(end, "0x%02lx", IRam.Size+IRam.Start-1);
314 sprintf(size, "%5lu", IRam.Size);
315 sprintf(max, "%5lu", IRam.Max);
316 fprintf(of, format, IRam.Name, start, end, size, max);
318 /*Report XRam totals:*/
319 sprintf(start, "0x%04lx", XRam.Start);
321 end[0]=0;/*Empty string*/
323 sprintf(end, "0x%04lx", XRam.Size+XRam.Start-1);
324 sprintf(size, "%5lu", XRam.Size);
325 sprintf(max, "%5lu", xram_size<0?XRam.Max:xram_size);
326 fprintf(of, format, XRam.Name, start, end, size, max);
328 /*Report Rom/Flash totals:*/
329 sprintf(start, "0x%04lx", Rom.Start);
331 end[0]=0;/*Empty string*/
333 sprintf(end, "0x%04lx", Rom.Size+Rom.Start-1);
334 sprintf(size, "%5lu", Rom.Size);
335 sprintf(max, "%5lu", code_size<0?Rom.Max:code_size);
336 fprintf(of, format, Rom.Name, start, end, size, max);
338 /*Report any excess:*/
340 if((IRam.Start+IRam.Size)>(IRam.Max+0x80))
342 sprintf(buff, "Insufficient INDIRECT RAM memory.\n");
343 REPORT_ERROR(buff, 1);
346 if( ((XRam.Start+XRam.Size)>XRam.Max) ||
347 (((int)XRam.Size>xram_size)&&(xram_size>=0)) )
349 sprintf(buff, "Insufficient EXTERNAL RAM memory.\n");
350 REPORT_ERROR(buff, 1);
352 if( ((Rom.Start+Rom.Size)>Rom.Max) ||
353 (((int)Rom.Size>code_size)&&(code_size>=0)) )
355 sprintf(buff, "Insufficient ROM/EPROM/FLASH memory.\n");
356 REPORT_ERROR(buff, 1);