diff options
Diffstat (limited to 'scripts/dtc/fdtdump.c')
| -rw-r--r-- | scripts/dtc/fdtdump.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/scripts/dtc/fdtdump.c b/scripts/dtc/fdtdump.c deleted file mode 100644 index 7d460a50b513..000000000000 --- a/scripts/dtc/fdtdump.c +++ /dev/null @@ -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; -} |