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-rw-r--r--qemu/dtc/fdtdump.c227
1 files changed, 0 insertions, 227 deletions
diff --git a/qemu/dtc/fdtdump.c b/qemu/dtc/fdtdump.c
deleted file mode 100644
index 723770d6d..000000000
--- a/qemu/dtc/fdtdump.c
+++ /dev/null
@@ -1,227 +0,0 @@
-/*
- * fdtdump.c - Contributed by Pantelis Antoniou <pantelis.antoniou AT gmail.com>
- */
-
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-
-#include <libfdt.h>
-#include <libfdt_env.h>
-#include <fdt.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 const char *tagname(uint32_t tag)
-{
- static const char * const names[] = {
-#define TN(t) [t] #t
- TN(FDT_BEGIN_NODE),
- TN(FDT_END_NODE),
- TN(FDT_PROP),
- TN(FDT_NOP),
- TN(FDT_END),
-#undef TN
- };
- if (tag < ARRAY_SIZE(names))
- if (names[tag])
- return names[tag];
- return "FDT_???";
-}
-
-#define dumpf(fmt, args...) \
- do { if (debug) printf("// " fmt, ## args); } while (0)
-
-static void dump_blob(void *blob, bool debug)
-{
- uintptr_t blob_off = (uintptr_t)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) {
-
- dumpf("%04zx: tag: 0x%08x (%s)\n",
- (uintptr_t)p - blob_off - 4, tag, tagname(tag));
-
- 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);
-
- dumpf("%04zx: string: %s\n", (uintptr_t)s - blob_off, s);
- dumpf("%04zx: value\n", (uintptr_t)t - blob_off);
- printf("%*s%s", depth * shift, "", s);
- utilfdt_print_data(t, sz);
- printf(";\n");
- }
-}
-
-/* Usage related data. */
-static const char usage_synopsis[] = "fdtdump [options] <file>";
-static const char usage_short_opts[] = "ds" USAGE_COMMON_SHORT_OPTS;
-static struct option const usage_long_opts[] = {
- {"debug", no_argument, NULL, 'd'},
- {"scan", no_argument, NULL, 's'},
- USAGE_COMMON_LONG_OPTS
-};
-static const char * const usage_opts_help[] = {
- "Dump debug information while decoding the file",
- "Scan for an embedded fdt in file",
- USAGE_COMMON_OPTS_HELP
-};
-
-int main(int argc, char *argv[])
-{
- int opt;
- const char *file;
- char *buf;
- bool debug = false;
- bool scan = false;
- off_t len;
-
- while ((opt = util_getopt_long()) != EOF) {
- switch (opt) {
- case_USAGE_COMMON_FLAGS
-
- case 'd':
- debug = true;
- break;
- case 's':
- scan = true;
- break;
- }
- }
- if (optind != argc - 1)
- usage("missing input filename");
- file = argv[optind];
-
- buf = utilfdt_read_len(file, &len);
- if (!buf)
- die("could not read: %s\n", file);
-
- /* try and locate an embedded fdt in a bigger blob */
- if (scan) {
- unsigned char smagic[4];
- char *p = buf;
- char *endp = buf + len;
-
- fdt_set_magic(smagic, FDT_MAGIC);
-
- /* poor man's memmem */
- while (true) {
- p = memchr(p, smagic[0], endp - p - 4);
- if (!p)
- break;
- if (fdt_magic(p) == FDT_MAGIC) {
- /* try and validate the main struct */
- off_t this_len = endp - p;
- fdt32_t max_version = 17;
- if (fdt_version(p) <= max_version &&
- fdt_last_comp_version(p) < max_version &&
- fdt_totalsize(p) < this_len &&
- fdt_off_dt_struct(p) < this_len &&
- fdt_off_dt_strings(p) < this_len)
- break;
- if (debug)
- printf("%s: skipping fdt magic at offset %#zx\n",
- file, p - buf);
- }
- ++p;
- }
- if (!p)
- die("%s: could not locate fdt magic\n", file);
- printf("%s: found fdt at offset %#zx\n", file, p - buf);
- buf = p;
- }
-
- dump_blob(buf, debug);
-
- return 0;
-}