mkflashimage to build flash images.

util/mkflashimg/Makefile

@@ -0,0 +1,29 @@
+PROG	= mkflashimg
+OBJS	= mkflashimg.o
+
+INCLUDES=
+
+BIN	= ../bin
+
+CC	= gcc
+STRIP	= strip
+CHMOD	= chmod
+RM	= rm -f
+CP	= cp -fp
+
+all: $(PROG)
+
+$(PROG): $(OBJS)
+	$(CC) -o $(PROG) $(OBJS)
+	$(STRIP) $(PROG)
+
+install: $(PROG)
+	$(CP) $(PROG) $(BIN)
+	$(CHMOD) 775 $(BIN)/$(PROG)
+
+clean:
+	$(RM) $(BIN)/$(PROG) $(PROG) *.o *~
+
+.c.o:
+	$(CC) $(CFLAGS) $(DEFINES) $(INCLUDES) -c -o $*.o $<
+

util/mkflashimg/mkflashimg.c

@@ -0,0 +1,60 @@
+#include <stdio.h>
+
+
+unsigned char buffer[65536];
+
+
+int main(int argc, char *argv[])
+{
+	FILE *lb;
+	FILE *ipl;
+	FILE *out;
+	int i;
+	int blocks, size;
+
+	if(argc<4) {
+		printf("%s <docipl> <linuxbios.strip> <target> [<size in K 64,128,256,512>]\n",argv[0]);
+		printf("Where docipl is the output from ipl.S\n");
+		printf("linuxbios.strip is a linuxbios stripped but not run through mkrom\n");
+		printf("target is the result. It should be flashed to the rom.\n");
+		return(-1);
+	}
+
+	if(!(ipl = fopen(argv[1],"rb"))) {
+		fprintf(stderr,"Cannot open %s for reading\n",argv[1]);
+		return(-2);
+	}
+
+	if(!(lb = fopen(argv[2],"rb"))) {
+		fprintf(stderr,"Cannot open %s for reading\n",argv[2]);
+		return(-2);
+	}
+
+	if(!(out = fopen(argv[3],"wb"))) {
+		fprintf(stderr,"Cannot open %s for write\n",argv[3]);
+		return(-3);
+	}
+
+	if(argc == 5)
+		size = atoi(argv[4]);
+	else
+		size = 256;
+
+	blocks = ((size + 64)/64)-1;
+
+	blocks -=1;	// We always write the payload block!
+
+	for(i=0; i<blocks; i++)
+		fwrite(buffer,1,sizeof(buffer), out);
+
+	fseek(ipl,-512, SEEK_END);
+
+	i = fread(buffer,1,sizeof(buffer),lb);
+	i = fread(buffer + ( sizeof(buffer) - 512),1, 512, ipl);
+
+	
+	fwrite(buffer,1,sizeof(buffer), out);
+
+	return(0);
+}
+