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scripts: dtc: Remove the unused fdtdump.c file

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This was copied from external DTC repository long back and isn't used
anymore. Over that the dtc tool can be used to generate the dts source
back from the dtb. Remove the unused fdtdump.c file.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/7ea1a9e7fd5d75b7adfc2a4c40dde2d4ea3fddf8.1611904394.git.viresh.kumar@linaro.org
This commit is contained in:
Viresh Kumar 2021-01-29 12:54:07 +05:30 committed by Rob Herring
parent 0da6bcd9fc
commit 59b48a7151
1 changed files with 0 additions and 163 deletions
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163
scripts/dtc/fdtdump.c
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@ -1,163 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
/*
* fdtdump.c - Contributed by Pantelis Antoniou <pantelis.antoniou AT gmail.com>
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <fdt.h>
#include <libfdt_env.h>
#include "util.h"
#define ALIGN(x, a) (((x) + ((a) - 1)) & ~((a) - 1))
#define PALIGN(p, a) ((void *)(ALIGN((unsigned long)(p), (a))))
#define GET_CELL(p) (p += 4, *((const uint32_t *)(p-4)))
static void print_data(const char *data, int len)
{
int i;
const char *p = data;
/* no data, don't print */
if (len == 0)
return;
if (util_is_printable_string(data, len)) {
printf(" = \"%s\"", (const char *)data);
} else if ((len % 4) == 0) {
printf(" = <");
for (i = 0; i < len; i += 4)
printf("0x%08x%s", fdt32_to_cpu(GET_CELL(p)),
i < (len - 4) ? " " : "");
printf(">");
} else {
printf(" = [");
for (i = 0; i < len; i++)
printf("%02x%s", *p++, i < len - 1 ? " " : "");
printf("]");
}
}
static void dump_blob(void *blob)
{
struct fdt_header *bph = blob;
uint32_t off_mem_rsvmap = fdt32_to_cpu(bph->off_mem_rsvmap);
uint32_t off_dt = fdt32_to_cpu(bph->off_dt_struct);
uint32_t off_str = fdt32_to_cpu(bph->off_dt_strings);
struct fdt_reserve_entry *p_rsvmap =
(struct fdt_reserve_entry *)((char *)blob + off_mem_rsvmap);
const char *p_struct = (const char *)blob + off_dt;
const char *p_strings = (const char *)blob + off_str;
uint32_t version = fdt32_to_cpu(bph->version);
uint32_t totalsize = fdt32_to_cpu(bph->totalsize);
uint32_t tag;
const char *p, *s, *t;
int depth, sz, shift;
int i;
uint64_t addr, size;
depth = 0;
shift = 4;
printf("/dts-v1/;\n");
printf("// magic:\t\t0x%x\n", fdt32_to_cpu(bph->magic));
printf("// totalsize:\t\t0x%x (%d)\n", totalsize, totalsize);
printf("// off_dt_struct:\t0x%x\n", off_dt);
printf("// off_dt_strings:\t0x%x\n", off_str);
printf("// off_mem_rsvmap:\t0x%x\n", off_mem_rsvmap);
printf("// version:\t\t%d\n", version);
printf("// last_comp_version:\t%d\n",
fdt32_to_cpu(bph->last_comp_version));
if (version >= 2)
printf("// boot_cpuid_phys:\t0x%x\n",
fdt32_to_cpu(bph->boot_cpuid_phys));
if (version >= 3)
printf("// size_dt_strings:\t0x%x\n",
fdt32_to_cpu(bph->size_dt_strings));
if (version >= 17)
printf("// size_dt_struct:\t0x%x\n",
fdt32_to_cpu(bph->size_dt_struct));
printf("\n");
for (i = 0; ; i++) {
addr = fdt64_to_cpu(p_rsvmap[i].address);
size = fdt64_to_cpu(p_rsvmap[i].size);
if (addr == 0 && size == 0)
break;
printf("/memreserve/ %llx %llx;\n",
(unsigned long long)addr, (unsigned long long)size);
}
p = p_struct;
while ((tag = fdt32_to_cpu(GET_CELL(p))) != FDT_END) {
/* printf("tag: 0x%08x (%d)\n", tag, p - p_struct); */
if (tag == FDT_BEGIN_NODE) {
s = p;
p = PALIGN(p + strlen(s) + 1, 4);
if (*s == '\0')
s = "/";
printf("%*s%s {\n", depth * shift, "", s);
depth++;
continue;
}
if (tag == FDT_END_NODE) {
depth--;
printf("%*s};\n", depth * shift, "");
continue;
}
if (tag == FDT_NOP) {
printf("%*s// [NOP]\n", depth * shift, "");
continue;
}
if (tag != FDT_PROP) {
fprintf(stderr, "%*s ** Unknown tag 0x%08x\n", depth * shift, "", tag);
break;
}
sz = fdt32_to_cpu(GET_CELL(p));
s = p_strings + fdt32_to_cpu(GET_CELL(p));
if (version < 16 && sz >= 8)
p = PALIGN(p, 8);
t = p;
p = PALIGN(p + sz, 4);
printf("%*s%s", depth * shift, "", s);
print_data(t, sz);
printf(";\n");
}
}
int main(int argc, char *argv[])
{
char *buf;
if (argc < 2) {
fprintf(stderr, "supply input filename\n");
return 5;
}
buf = utilfdt_read(argv[1]);
if (buf)
dump_blob(buf);
else
return 10;
return 0;
}