mirror of https://github.com/YosysHQ/icestorm.git
icebin2nvcm: tool to generate .nvcm file from iCE40 .bin
This commit is contained in:
Peter Lawrence
parent
da52117ccd
commit
538b745f4e
|
|
@ -16,21 +16,28 @@ LDLIBS += $(shell for pkg in libftdi1 libftdi; do $(PKG_CONFIG) --silence-errors
|
|||
CFLAGS += $(shell for pkg in libftdi1 libftdi; do $(PKG_CONFIG) --silence-errors --cflags $$pkg && exit; done; )
|
||||
endif
|
||||
|
||||
all: $(PROGRAM_PREFIX)iceprog$(EXE)
|
||||
all: $(PROGRAM_PREFIX)iceprog$(EXE) $(PROGRAM_PREFIX)icebin2nvcm$(EXE)
|
||||
|
||||
$(PROGRAM_PREFIX)iceprog$(EXE): iceprog.o mpsse.o
|
||||
$(CC) -o $@ $(LDFLAGS) $^ $(LDLIBS)
|
||||
|
||||
$(PROGRAM_PREFIX)icebin2nvcm$(EXE): icebin2nvcm.o
|
||||
$(CC) -o $@ $(LDFLAGS) $^ $(LDLIBS)
|
||||
|
||||
install: all
|
||||
mkdir -p $(DESTDIR)$(PREFIX)/bin
|
||||
cp $(PROGRAM_PREFIX)iceprog$(EXE) $(DESTDIR)$(PREFIX)/bin/$(PROGRAM_PREFIX)iceprog$(EXE)
|
||||
cp $(PROGRAM_PREFIX)icebin2nvcm$(EXE) $(DESTDIR)$(PREFIX)/bin/$(PROGRAM_PREFIX)icebin2nvcm$(EXE)
|
||||
|
||||
uninstall:
|
||||
rm -f $(DESTDIR)$(PREFIX)/bin/$(PROGRAM_PREFIX)iceprog$(EXE)
|
||||
rm -f $(DESTDIR)$(PREFIX)/bin/$(PROGRAM_PREFIX)icebin2nvcm$(EXE)
|
||||
|
||||
clean:
|
||||
rm -f $(PROGRAM_PREFIX)iceprog
|
||||
rm -f $(PROGRAM_PREFIX)iceprog.exe
|
||||
rm -f $(PROGRAM_PREFIX)icebin2nvcm
|
||||
rm -f $(PROGRAM_PREFIX)icebin2nvcm.exe
|
||||
rm -f *.o *.d
|
||||
|
||||
-include *.d
|
||||
|
|
|
|||
|
|
@ -0,0 +1,140 @@
|
|||
/*
|
||||
* icebin2nvcm -- tool to generate .nvcm file from iCE40 family .bin file
|
||||
*
|
||||
* Copyright (C) 2020 Peter Lawrence
|
||||
*
|
||||
* Permission to use, copy, modify, and/or distribute this software for any
|
||||
* purpose with or without fee is hereby granted, provided that the above
|
||||
* copyright notice and this permission notice appear in all copies.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
#include <malloc.h>
|
||||
#include <string.h>
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
FILE *input, *output;
|
||||
int pos, origin = -1;
|
||||
int nvcm_addr;
|
||||
const uint8_t zeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
|
||||
uint8_t data[sizeof(zeros)];
|
||||
int len;
|
||||
uint32_t preamble;
|
||||
char *header;
|
||||
const char *device_name = NULL, *part_type = NULL;
|
||||
|
||||
if (argc < 3)
|
||||
{
|
||||
fprintf(stderr, "%s <bin_file> <nvcm_file>\n", argv[0]);
|
||||
return -3;
|
||||
}
|
||||
|
||||
/* look for preamble signature in .bin file */
|
||||
|
||||
input = fopen(argv[1], "rb");
|
||||
|
||||
if (!input) return -1;
|
||||
|
||||
for (pos = 1, preamble = 0; ; pos++)
|
||||
{
|
||||
int byte = fgetc(input);
|
||||
if (byte < 0) break;
|
||||
|
||||
preamble = (preamble << 8) | byte;
|
||||
|
||||
if (0x7EAA997E == preamble)
|
||||
{
|
||||
origin = pos - 4;
|
||||
}
|
||||
}
|
||||
|
||||
if (origin < 0)
|
||||
{
|
||||
fprintf(stderr, "ERROR: unable to find signature in .bin file (%s)\n", argv[1]);
|
||||
return -4;
|
||||
}
|
||||
|
||||
/* load comment header into RAM to mine for metadata */
|
||||
|
||||
header = (char *)malloc(origin + 1 /* extra byte for NUL terminator */);
|
||||
|
||||
if (!header)
|
||||
{
|
||||
fprintf(stderr, "ERROR: unable to malloc memory for header\n");
|
||||
return -5;
|
||||
}
|
||||
|
||||
rewind(input);
|
||||
if (origin != fread(header, 1, origin, input))
|
||||
{
|
||||
fprintf(stderr, "ERROR: unable to read .bin header\n");
|
||||
return -6;
|
||||
}
|
||||
header[origin] = '\0'; /* hopefully extra NUL terminator */
|
||||
|
||||
/* parse comments, searching for the metadata that we need */
|
||||
|
||||
for (int i = 0; i < origin; i += len + 1)
|
||||
{
|
||||
len = strlen(header + i);
|
||||
if (!len) break;
|
||||
|
||||
char *pnt = strstr(header + i, "Part: ");
|
||||
if (pnt)
|
||||
{
|
||||
device_name = header + i + 6;
|
||||
pnt = strchr(device_name, '-');
|
||||
if (pnt)
|
||||
{
|
||||
part_type = pnt + 1;
|
||||
*pnt = '\0';
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
output = fopen(argv[2], "wb");
|
||||
|
||||
if (!output) return -2;
|
||||
|
||||
if (device_name) fprintf(output, "#DN %s\n", device_name);
|
||||
if (part_type) fprintf(output, "#PT %s\n", part_type);
|
||||
|
||||
fprintf(output, "06\n"); /* write enable */
|
||||
|
||||
for (pos = 0; ; pos += sizeof(zeros))
|
||||
{
|
||||
memset(data, 0, sizeof(data));
|
||||
len = fread(data, 1, sizeof(data), input);
|
||||
|
||||
/* .nvcm only contains blocks with non-zeros */
|
||||
if (memcmp(data, zeros, sizeof(zeros)))
|
||||
{
|
||||
/* translate .bin address into NVCM address */
|
||||
nvcm_addr = (pos / 328) * 4096 + (pos % 328);
|
||||
|
||||
/* page program */
|
||||
fprintf(output, "02 %02x %02x %02x ", (uint8_t)(nvcm_addr >> 16), (uint8_t)(nvcm_addr >> 8), (uint8_t)(nvcm_addr >> 0));
|
||||
for (int i = 0; i < sizeof(zeros); i++) fprintf(output, "%02x ", data[i]);
|
||||
fprintf(output, "\n");
|
||||
}
|
||||
|
||||
if (len < sizeof(data)) break;
|
||||
}
|
||||
|
||||
fprintf(output, "04\n"); /* write disable */
|
||||
fclose(output);
|
||||
|
||||
free(header);
|
||||
fclose(input);
|
||||
}
|
||||
Loading…
Reference in New Issue