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Software for White Rabbit PTP Core
Commit 8656d5f8 authored by Wesley W. Terpstra's avatar Wesley W. Terpstra Committed by Tomasz Wlostowski
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Added a 'size' option to genramvhd to support pad generation.

parent 804009a9
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Showing with 41 additions and 13 deletions
Makefile
View file @ 8656d5f8
......@@ -59,7 +59,7 @@ all: $(OBJS)
${OBJCOPY} -O binary $(OUTPUT).elf $(OUTPUT).bin
${OBJDUMP} -d $(OUTPUT).elf > $(OUTPUT)_disasm.S
./tools/genraminit $(OUTPUT).bin 0 > $(OUTPUT).ram
./tools/genramvhd $(OUTPUT).bin > $(OUTPUT).vhd
./tools/genramvhd -s 65536 $(OUTPUT).bin > $(OUTPUT).vhd
clean:
rm -f $(OBJS) $(OUTPUT).elf $(OUTPUT).bin $(OUTPUT).ram
......
tools/genramvhd.c
View file @ 8656d5f8
......@@ -17,6 +17,7 @@ void help() {
fprintf(stderr, "\n");
fprintf(stderr, " -w <width> width of values in bytes [1/2/4/8/16] (4)\n");
fprintf(stderr, " -p <package> name of the output package (filename)\n");
fprintf(stderr, " -s <size> pad the output up to size bytes (filesize)\n");
fprintf(stderr, " -b big-endian operation (*)\n");
fprintf(stderr, " -l little-endian operation \n");
fprintf(stderr, " -v verbose operation\n");
......@@ -37,7 +38,7 @@ inline int my_isok(char c) {
int main(int argc, char **argv) {
int j, opt, error, i_width;
long i, elements, columns, entry_width;
long i, elements, size, columns, entry_width;
char* value_end;
unsigned char x[16]; /* Up to 128 bit */
char buf[100];
......@@ -49,9 +50,10 @@ int main(int argc, char **argv) {
width = 4;
bigendian = 1;
verbose = 0;
size = -1; /* file size */
/* Process the command-line */
while ((opt = getopt(argc, argv, "w:p:blvh")) != -1) {
while ((opt = getopt(argc, argv, "w:p:s:blvh")) != -1) {
switch (opt) {
case 'w':
width = strtol(optarg, &value_end, 0);
......@@ -66,6 +68,13 @@ int main(int argc, char **argv) {
case 'p':
package = optarg;
break;
case 's':
size = strtol(optarg, &value_end, 0);
if (*value_end) {
fprintf(stderr, "%s: invalid value size -- '%s'\n", program, optarg);
error = 1;
}
break;
case 'b':
bigendian = 1;
break;
......@@ -106,12 +115,27 @@ int main(int argc, char **argv) {
elements = ftell(f);
rewind(f);
if (size == -1) {
size = elements;
}
if (size < elements) {
fprintf(stderr, "%s: length of initialization file '%s' (%ld) exceeds specified size (%ld)\n", program, filename, elements, size);
return 1;
}
if (elements % width != 0) {
fprintf(stderr, "%s: initialization file '%s' is not a multiple of %ld bytes\n", program, filename, width);
return 1;
}
elements /= width;
if (size % width != 0) {
fprintf(stderr, "%s: specified size '%ld' is not a multiple of %ld bytes\n", program, size, width);
return 1;
}
size /= width;
/* Find a suitable package name */
if (package == 0) {
if (strlen(filename) >= sizeof(buf)-5) {
......@@ -151,9 +175,9 @@ int main(int argc, char **argv) {
}
}
/* Find how many digits it takes to fit 'elements' */
/* Find how many digits it takes to fit 'size' */
i_width = 1;
for (i = 10; i <= elements; i *= 10)
for (i = 10; i <= size; i *= 10)
++i_width;
/* How wide is an entry of the table? */
......@@ -170,15 +194,19 @@ int main(int argc, char **argv) {
printf("\n");
printf("package %s_pkg is\n", package);
printf(" constant %s_init : t_meminit_array(%ld downto 0, %ld downto 0) := (\n", package, elements-1, (width*4)-1);
printf(" constant %s_init : t_meminit_array(%ld downto 0, %ld downto 0) := (\n", package, size-1, (width*8)-1);
for (i = 1; i <= elements; ++i) {
if (i % columns == 1) printf(" ");
for (i = 0; i < size; ++i) {
if (i % columns == 0) printf(" ");
if (i < elements) {
if (fread(x, 1, width, f) != width) {
perror("fread");
return 1;
}
} else {
memset(x, 0, sizeof(x));
}
printf("%*ld => x\"", i_width, i);
if (bigendian) {
......@@ -190,8 +218,8 @@ int main(int argc, char **argv) {
}
printf("\"");
if (i == elements) printf(");\n");
else if (i % columns == 0) printf(",\n");
if ((i+1) == size) printf(");\n");
else if ((i+1) % columns == 0) printf(",\n");
else printf(", ");
}
fclose(f);
......
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