DESTDIR ?= /usr/local/bin
-all: $(obj)/cbfstool $(obj)/tools/rom-mkpayload $(obj)/tools/rom-mkstage
+all: $(obj)/cbfstool $(obj)/tools/cbfs-mkpayload $(obj)/tools/cbfs-mkstage
$(obj)/cbfstool: $(patsubst %,$(obj)/%,$(OBJ))
$(CC) -o $@ $(patsubst %,$(obj)/%,$(OBJ))
$(obj)/%.o: %.c $(INC)
$(CC) $(CFLAGS) -c -o $@ $<
-install: $(obj)/cbfstool $(obj)/tools/rom-mkpayload $(obj)/tools/rom-mkstage
+install: $(obj)/cbfstool $(obj)/tools/cbfs-mkpayload $(obj)/tools/cbfs-mkstage
@ install -d $(DESTDIR)
@ install -m 0755 $(obj)/cbfstool $(DESTDIR)/cbfstool
- @ install -m 0755 $(obj)/tools/rom-mkstage $(DESTDIR)/rom-mkstage
- @ install -m 0755 $(obj)/tools/rom-mkpayload $(DESTDIR)/rom-mkpayload
+ @ install -m 0755 $(obj)/tools/cbfs-mkstage $(DESTDIR)/cbfs-mkstage
+ @ install -m 0755 $(obj)/tools/cbfs-mkpayload $(DESTDIR)/cbfs-mkpayload
tags:
ctags *.[ch] */*.[ch]
return toolpath;
}
-/* Invoke the rom-mkpayload utility */
+/* Invoke the cbfs-mkpayload utility */
int add_payload_handler(struct rom *rom, int argc, char **argv)
{
return -1;
}
- return fork_tool_and_add(rom, find_tool("rom-mkpayload"), argv[0],
+ return fork_tool_and_add(rom, find_tool("cbfs-mkpayload"), argv[0],
argv[1], CBFS_COMPONENT_PAYLOAD, argc - 2,
argc > 2 ? &argv[2] : NULL);
}
-/* Invoke the rom-mkstage utility */
+/* Invoke the cbfs-mkstage utility */
int add_stage_handler(struct rom *rom, int argc, char **argv)
{
return -1;
}
- return fork_tool_and_add(rom, find_tool("rom-mkstage"), argv[0],
+ return fork_tool_and_add(rom, find_tool("cbfs-mkstage"), argv[0],
argv[1], CBFS_COMPONENT_STAGE, argc - 2,
argc > 2 ? &argv[2] : NULL);
}
tobj ?= $(shell pwd)
tsrc ?= $(shell pwd)
-TARGETS += $(tobj)/rom-mkstage $(tobj)/rom-mkpayload
+TARGETS += $(tobj)/cbfs-mkstage $(tobj)/cbfs-mkpayload
-tools: $(tobj)/rom-mkstage $(tobj)/rom-mkpayload
+tools: $(tobj)/cbfs-mkstage $(tobj)/cbfs-mkpayload
include $(tsrc)/lzma/Makefile
COMMON = common.o compress.o $(LZMA_OBJ)
-$(tobj)/rom-mkstage: $(tobj)/rom-mkstage.o $(patsubst %,$(tobj)/%,$(COMMON))
+$(tobj)/cbfs-mkstage: $(tobj)/cbfs-mkstage.o $(patsubst %,$(tobj)/%,$(COMMON))
$(CXX) $(CFLAGS) -o $@ $^
-$(tobj)/rom-mkpayload: $(tobj)/rom-mkpayload.o $(patsubst %,$(tobj)/%,$(COMMON))
+$(tobj)/cbfs-mkpayload: $(tobj)/cbfs-mkpayload.o $(patsubst %,$(tobj)/%,$(COMMON))
$(CXX) $(CFLAGS) -o $@ $^
$(tobj)/%.o: %.c
$(CC) $(CFLAGS) -c -o $@ $<
tools-clean:
- rm -f $(tobj)/rom-mkpayload.o $(tobj)/rom-mkstage.o $(patsubst %,$(tobj)/%,$(COMMON))
- rm -f $(tobj)/rom-mkpayload $(tobj)/rom-mkstage
+ rm -f $(tobj)/cbfs-mkpayload.o $(tobj)/cbfs-mkstage.o $(patsubst %,$(tobj)/%,$(COMMON))
+ rm -f $(tobj)/cbfs-mkpayload $(tobj)/cbfs-mkstage
--- /dev/null
+/*
+ * cbfs-mkpayload
+ *
+ * Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "elf.h"
+#include <fcntl.h>
+#include <getopt.h>
+#include <sys/stat.h>
+#include <arpa/inet.h>
+
+#include "common.h"
+#include "../cbfs.h"
+
+int parse_elf(unsigned char *input, unsigned char **output, int algo,
+ void (*compress) (char *, int, char *, int *))
+{
+ Elf32_Phdr *phdr;
+ Elf32_Ehdr *ehdr;
+ Elf32_Shdr *shdr;
+ char *header;
+ char *strtab;
+ unsigned char *sptr;
+ int headers;
+ int segments = 1;
+ int isize = 0, osize = 0;
+ int doffset = 0;
+ struct cbfs_payload_segment *segs;
+ int i;
+
+ ehdr = (Elf32_Ehdr *) input;
+ headers = ehdr->e_phnum;
+ header = (char *)ehdr;
+
+ phdr = (Elf32_Phdr *) & (header[ehdr->e_phoff]);
+ shdr = (Elf32_Shdr *) & (header[ehdr->e_shoff]);
+
+ strtab = &header[shdr[ehdr->e_shstrndx].sh_offset];
+
+ /* Count the number of headers - look for the .notes.pinfo
+ * section */
+
+ for (i = 0; i < ehdr->e_shnum; i++) {
+ char *name;
+
+ if (i == ehdr->e_shstrndx)
+ continue;
+
+ if (shdr[i].sh_size == 0)
+ continue;
+
+ name = (char *)(strtab + shdr[i].sh_name);
+
+ if (!strcmp(name, ".note.pinfo"))
+ segments++;
+ }
+
+ /* Now, regular headers - we only care about PT_LOAD headers,
+ * because thats what we're actually going to load
+ */
+
+ for (i = 0; i < headers; i++) {
+ if (phdr[i].p_type != PT_LOAD)
+ continue;
+
+ /* Empty segments are never interesting */
+ if (phdr[i].p_memsz == 0)
+ continue;
+
+ isize += phdr[i].p_filesz;
+
+ segments++;
+ }
+
+ /* Allocate a block of memory to store the data in */
+
+ sptr =
+ calloc((segments * sizeof(struct cbfs_payload_segment)) + isize,
+ 1);
+ doffset = (segments * sizeof(struct cbfs_payload_segment));
+
+ if (sptr == NULL)
+ goto err;
+
+ segs = (struct cbfs_payload_segment *)sptr;
+ segments = 0;
+
+ for (i = 0; i < ehdr->e_shnum; i++) {
+ char *name;
+
+ if (i == ehdr->e_shstrndx)
+ continue;
+
+ if (shdr[i].sh_size == 0)
+ continue;
+
+ name = (char *)(strtab + shdr[i].sh_name);
+
+ if (!strcmp(name, ".note.pinfo")) {
+ segs[segments].type = PAYLOAD_SEGMENT_PARAMS;
+ segs[segments].load_addr = 0;
+ segs[segments].len = (unsigned int)shdr[i].sh_size;
+ segs[segments].offset = doffset;
+
+ memcpy((unsigned long *)(sptr + doffset),
+ &header[shdr[i].sh_offset], shdr[i].sh_size);
+
+ doffset += segs[segments].len;
+ osize += segs[segments].len;
+
+ segments++;
+ }
+ }
+
+ for (i = 0; i < headers; i++) {
+ if (phdr[i].p_type != PT_LOAD)
+ continue;
+
+ if (phdr[i].p_memsz == 0)
+ continue;
+
+ if (phdr[i].p_filesz == 0) {
+ segs[segments].type = PAYLOAD_SEGMENT_BSS;
+ segs[segments].load_addr =
+ (unsigned long long)htonl(phdr[i].p_paddr);
+ segs[segments].mem_len = (unsigned int)htonl(phdr[i].p_memsz);
+ segs[segments].offset = htonl(doffset);
+
+ segments++;
+ continue;
+ }
+
+ segs[segments].type = PAYLOAD_SEGMENT_DATA;
+ segs[segments].load_addr = (unsigned int)htonl(phdr[i].p_paddr);
+ segs[segments].mem_len = (unsigned int)htonl(phdr[i].p_memsz);
+ segs[segments].compression = htonl(algo);
+ segs[segments].offset = htonl(doffset);
+
+ int len;
+ compress((char *)&header[phdr[i].p_offset],
+ phdr[i].p_filesz,
+ (char *)(sptr + doffset), &len);
+ segs[segments].len = htonl(len);
+
+ /* If the compressed section is larger, then use the
+ original stuff */
+
+ if ((unsigned int)len > phdr[i].p_filesz) {
+ segs[segments].compression = 0;
+ segs[segments].len = htonl(phdr[i].p_filesz);
+
+ memcpy((char *)(sptr + doffset),
+ &header[phdr[i].p_offset], phdr[i].p_filesz);
+ }
+
+ doffset += ntohl(segs[segments].len);
+ osize += ntohl(segs[segments].len);
+
+ segments++;
+ }
+
+ segs[segments].type = PAYLOAD_SEGMENT_ENTRY;
+ segs[segments++].load_addr = (unsigned long long)htonl(ehdr->e_entry);
+
+ *output = sptr;
+
+ return (segments * sizeof(struct cbfs_payload_segment)) + osize;
+
+err:
+ return -1;
+}
+
+int main(int argc, char **argv)
+{
+ void (*compress) (char *, int, char *, int *);
+ int algo;
+
+ char *output = NULL;
+ char *input = NULL;
+
+ unsigned char *buffer, *obuffer;
+ int size, osize;
+
+ while (1) {
+ int option_index;
+ static struct option longopt[] = {
+ {"output", 1, 0, 'o'},
+ {"lzma", 0, 0, 'l'},
+ {"nocompress", 0, 0, 'n'},
+ };
+
+ signed char ch = getopt_long(argc, argv, "o:ln",
+ longopt, &option_index);
+
+ if (ch == -1)
+ break;
+
+ switch (ch) {
+ case 'o':
+ output = optarg;
+ break;
+ case 'l':
+ algo = CBFS_COMPRESS_LZMA;
+ break;
+ case 'n':
+ algo = CBFS_COMPRESS_NONE;
+ break;
+ default:
+ //usage();
+ return -1;
+ }
+ }
+
+ if (optind < argc)
+ input = argv[optind];
+
+ if (input == NULL || !strcmp(input, "-"))
+ buffer = file_read_to_buffer(STDIN_FILENO, &size);
+ else {
+ printf("Reading from %s\n", input);
+ buffer = file_read(input, &size);
+ }
+
+ if (!iself(buffer)) {
+ fprintf(stderr, "E: This does not appear to be an ELF file\n");
+ return -1;
+ }
+
+ switch (algo) {
+ case CBFS_COMPRESS_NONE:
+ compress = none_compress;
+ break;
+ case CBFS_COMPRESS_LZMA:
+ compress = lzma_compress;
+ break;
+ }
+
+ osize = parse_elf(buffer, &obuffer, algo, compress);
+
+ if (osize == -1) {
+ fprintf(stderr, "E: Error while converting the payload\n");
+ return -1;
+ }
+
+ if (output == NULL || !strcmp(output, "-"))
+ file_write_from_buffer(STDOUT_FILENO, obuffer, osize);
+ else
+ file_write(output, obuffer, osize);
+
+ return 0;
+}
--- /dev/null
+/*
+ * cbfs-mkstage
+ *
+ * Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "elf.h"
+#include <fcntl.h>
+#include <getopt.h>
+#include <sys/stat.h>
+
+#include "common.h"
+#include "../cbfs.h"
+
+int parse_elf(unsigned char *input, unsigned char **output,
+ int mode, void (*compress) (char *, int, char *, int *))
+{
+ Elf32_Phdr *phdr;
+ Elf32_Ehdr *ehdr = (Elf32_Ehdr *) input;
+ Elf32_Shdr *shdr;
+ char *header, *buffer;
+ unsigned char *out;
+
+ int headers;
+ int i;
+ struct cbfs_stage *stage;
+ unsigned int data_start, data_end, mem_end;
+
+ headers = ehdr->e_phnum;
+ header = (char *)ehdr;
+
+ phdr = (Elf32_Phdr *) & (header[ehdr->e_phoff]);
+ shdr = (Elf32_Shdr *) & (header[ehdr->e_shoff]);
+
+ /* Now, regular headers - we only care about PT_LOAD headers,
+ * because thats what we're actually going to load
+ */
+
+ data_start = 0xFFFFFFFF;
+ data_end = 0;
+ mem_end = 0;
+
+ for (i = 0; i < headers; i++) {
+ unsigned int start, mend, rend;
+
+ if (phdr[i].p_type != PT_LOAD)
+ continue;
+
+ /* Empty segments are never interesting */
+ if (phdr[i].p_memsz == 0)
+ continue;
+
+ /* BSS */
+
+ start = phdr[i].p_paddr;
+
+ mend = start + phdr[i].p_memsz;
+ rend = start + phdr[i].p_filesz;
+
+ if (start < data_start)
+ data_start = start;
+
+ if (rend > data_end)
+ data_end = rend;
+
+ if (mend > mem_end)
+ mem_end = mend;
+ }
+
+ /* allocate an intermediate buffer for the data */
+ buffer = calloc(data_end - data_start, 1);
+
+ if (buffer == NULL) {
+ fprintf(stderr, "E: Unable to allocate memory: %m\n");
+ return -1;
+ }
+
+ /* Copy the file data into the buffer */
+
+ for (i = 0; i < headers; i++) {
+
+ if (phdr[i].p_type != PT_LOAD)
+ continue;
+
+ if (phdr[i].p_memsz == 0)
+ continue;
+
+ memcpy(buffer + (phdr[i].p_paddr - data_start),
+ &header[phdr[i].p_offset], phdr[i].p_filesz);
+ }
+
+ /* Now make the output buffer */
+ out = calloc(sizeof(struct cbfs_stage) + data_end - data_start, 1);
+
+ if (out == NULL) {
+ fprintf(stderr, "E: Unable to allocate memory: %m\n");
+ return -1;
+ }
+
+ stage = (struct cbfs_stage *)out;
+
+ stage->load = data_start;
+ stage->memlen = mem_end - data_start;
+ stage->compression = mode;
+ stage->entry = ehdr->e_entry;
+
+ compress(buffer, data_end - data_start,
+ (char *)(out + sizeof(struct cbfs_stage)),
+ (int *)&stage->len);
+
+ *output = out;
+
+ return sizeof(struct cbfs_stage) + stage->len;
+}
+
+int main(int argc, char **argv)
+{
+ void (*compress) (char *, int, char *, int *);
+ int algo = CBFS_COMPRESS_LZMA;
+
+ char *output = NULL;
+ char *input = NULL;
+
+ unsigned char *buffer, *obuffer;
+ int size, osize;
+
+ while (1) {
+ int option_index;
+ static struct option longopt[] = {
+ {"output", 1, 0, 'o'},
+ {"lzma", 0, 0, 'l'},
+ {"nocompress", 0, 0, 'n'},
+ };
+
+ signed char ch = getopt_long(argc, argv, "o:ln",
+ longopt, &option_index);
+
+ if (ch == -1)
+ break;
+
+ switch (ch) {
+ case 'o':
+ output = optarg;
+ break;
+ case 'l':
+ algo = CBFS_COMPRESS_LZMA;
+ break;
+ case 'n':
+ algo = CBFS_COMPRESS_NONE;
+ break;
+ default:
+ //usage();
+ return -1;
+ }
+ }
+
+ if (optind < argc)
+ input = argv[optind];
+
+ if (input == NULL || !strcmp(input, "-"))
+ buffer = file_read_to_buffer(STDIN_FILENO, &size);
+ else
+ buffer = file_read(input, &size);
+
+ if (!iself(buffer)) {
+ fprintf(stderr, "E: The incoming file is not an ELF\n");
+ return -1;
+ }
+
+ switch (algo) {
+ case CBFS_COMPRESS_NONE:
+ compress = none_compress;
+ break;
+ case CBFS_COMPRESS_LZMA:
+ compress = lzma_compress;
+ break;
+ }
+
+ osize = parse_elf(buffer, &obuffer, algo, compress);
+
+ if (osize == -1) {
+ fprintf(stderr, "E: Error while converting the ELF\n");
+ return -1;
+ }
+
+ if (output == NULL || !strcmp(output, "-"))
+ file_write_from_buffer(STDOUT_FILENO, obuffer, osize);
+ else
+ file_write(output, obuffer, osize);
+
+ return 0;
+}
+++ /dev/null
-/*
- * rom-mkpayload
- *
- * Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include "elf.h"
-#include <fcntl.h>
-#include <getopt.h>
-#include <sys/stat.h>
-#include <arpa/inet.h>
-
-#include "common.h"
-#include "../cbfs.h"
-
-int parse_elf(unsigned char *input, unsigned char **output, int algo,
- void (*compress) (char *, int, char *, int *))
-{
- Elf32_Phdr *phdr;
- Elf32_Ehdr *ehdr;
- Elf32_Shdr *shdr;
- char *header;
- char *strtab;
- unsigned char *sptr;
- int headers;
- int segments = 1;
- int isize = 0, osize = 0;
- int doffset = 0;
- struct cbfs_payload_segment *segs;
- int i;
-
- ehdr = (Elf32_Ehdr *) input;
- headers = ehdr->e_phnum;
- header = (char *)ehdr;
-
- phdr = (Elf32_Phdr *) & (header[ehdr->e_phoff]);
- shdr = (Elf32_Shdr *) & (header[ehdr->e_shoff]);
-
- strtab = &header[shdr[ehdr->e_shstrndx].sh_offset];
-
- /* Count the number of headers - look for the .notes.pinfo
- * section */
-
- for (i = 0; i < ehdr->e_shnum; i++) {
- char *name;
-
- if (i == ehdr->e_shstrndx)
- continue;
-
- if (shdr[i].sh_size == 0)
- continue;
-
- name = (char *)(strtab + shdr[i].sh_name);
-
- if (!strcmp(name, ".note.pinfo"))
- segments++;
- }
-
- /* Now, regular headers - we only care about PT_LOAD headers,
- * because thats what we're actually going to load
- */
-
- for (i = 0; i < headers; i++) {
- if (phdr[i].p_type != PT_LOAD)
- continue;
-
- /* Empty segments are never interesting */
- if (phdr[i].p_memsz == 0)
- continue;
-
- isize += phdr[i].p_filesz;
-
- segments++;
- }
-
- /* Allocate a block of memory to store the data in */
-
- sptr =
- calloc((segments * sizeof(struct cbfs_payload_segment)) + isize,
- 1);
- doffset = (segments * sizeof(struct cbfs_payload_segment));
-
- if (sptr == NULL)
- goto err;
-
- segs = (struct cbfs_payload_segment *)sptr;
- segments = 0;
-
- for (i = 0; i < ehdr->e_shnum; i++) {
- char *name;
-
- if (i == ehdr->e_shstrndx)
- continue;
-
- if (shdr[i].sh_size == 0)
- continue;
-
- name = (char *)(strtab + shdr[i].sh_name);
-
- if (!strcmp(name, ".note.pinfo")) {
- segs[segments].type = PAYLOAD_SEGMENT_PARAMS;
- segs[segments].load_addr = 0;
- segs[segments].len = (unsigned int)shdr[i].sh_size;
- segs[segments].offset = doffset;
-
- memcpy((unsigned long *)(sptr + doffset),
- &header[shdr[i].sh_offset], shdr[i].sh_size);
-
- doffset += segs[segments].len;
- osize += segs[segments].len;
-
- segments++;
- }
- }
-
- for (i = 0; i < headers; i++) {
- if (phdr[i].p_type != PT_LOAD)
- continue;
-
- if (phdr[i].p_memsz == 0)
- continue;
-
- if (phdr[i].p_filesz == 0) {
- segs[segments].type = PAYLOAD_SEGMENT_BSS;
- segs[segments].load_addr =
- (unsigned long long)htonl(phdr[i].p_paddr);
- segs[segments].mem_len = (unsigned int)htonl(phdr[i].p_memsz);
- segs[segments].offset = htonl(doffset);
-
- segments++;
- continue;
- }
-
- segs[segments].type = PAYLOAD_SEGMENT_DATA;
- segs[segments].load_addr = (unsigned int)htonl(phdr[i].p_paddr);
- segs[segments].mem_len = (unsigned int)htonl(phdr[i].p_memsz);
- segs[segments].compression = htonl(algo);
- segs[segments].offset = htonl(doffset);
-
- int len;
- compress((char *)&header[phdr[i].p_offset],
- phdr[i].p_filesz,
- (char *)(sptr + doffset), &len);
- segs[segments].len = htonl(len);
-
- /* If the compressed section is larger, then use the
- original stuff */
-
- if ((unsigned int)len > phdr[i].p_filesz) {
- segs[segments].compression = 0;
- segs[segments].len = htonl(phdr[i].p_filesz);
-
- memcpy((char *)(sptr + doffset),
- &header[phdr[i].p_offset], phdr[i].p_filesz);
- }
-
- doffset += ntohl(segs[segments].len);
- osize += ntohl(segs[segments].len);
-
- segments++;
- }
-
- segs[segments].type = PAYLOAD_SEGMENT_ENTRY;
- segs[segments++].load_addr = (unsigned long long)htonl(ehdr->e_entry);
-
- *output = sptr;
-
- return (segments * sizeof(struct cbfs_payload_segment)) + osize;
-
-err:
- return -1;
-}
-
-int main(int argc, char **argv)
-{
- void (*compress) (char *, int, char *, int *);
- int algo;
-
- char *output = NULL;
- char *input = NULL;
-
- unsigned char *buffer, *obuffer;
- int size, osize;
-
- while (1) {
- int option_index;
- static struct option longopt[] = {
- {"output", 1, 0, 'o'},
- {"lzma", 0, 0, 'l'},
- {"nocompress", 0, 0, 'n'},
- };
-
- signed char ch = getopt_long(argc, argv, "o:ln",
- longopt, &option_index);
-
- if (ch == -1)
- break;
-
- switch (ch) {
- case 'o':
- output = optarg;
- break;
- case 'l':
- algo = CBFS_COMPRESS_LZMA;
- break;
- case 'n':
- algo = CBFS_COMPRESS_NONE;
- break;
- default:
- //usage();
- return -1;
- }
- }
-
- if (optind < argc)
- input = argv[optind];
-
- if (input == NULL || !strcmp(input, "-"))
- buffer = file_read_to_buffer(STDIN_FILENO, &size);
- else {
- printf("Reading from %s\n", input);
- buffer = file_read(input, &size);
- }
-
- if (!iself(buffer)) {
- fprintf(stderr, "E: This does not appear to be an ELF file\n");
- return -1;
- }
-
- switch (algo) {
- case CBFS_COMPRESS_NONE:
- compress = none_compress;
- break;
- case CBFS_COMPRESS_LZMA:
- compress = lzma_compress;
- break;
- }
-
- osize = parse_elf(buffer, &obuffer, algo, compress);
-
- if (osize == -1) {
- fprintf(stderr, "E: Error while converting the payload\n");
- return -1;
- }
-
- if (output == NULL || !strcmp(output, "-"))
- file_write_from_buffer(STDOUT_FILENO, obuffer, osize);
- else
- file_write(output, obuffer, osize);
-
- return 0;
-}
+++ /dev/null
-/*
- * rom-mkstage
- *
- * Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include "elf.h"
-#include <fcntl.h>
-#include <getopt.h>
-#include <sys/stat.h>
-
-#include "common.h"
-#include "../cbfs.h"
-
-int parse_elf(unsigned char *input, unsigned char **output,
- int mode, void (*compress) (char *, int, char *, int *))
-{
- Elf32_Phdr *phdr;
- Elf32_Ehdr *ehdr = (Elf32_Ehdr *) input;
- Elf32_Shdr *shdr;
- char *header, *buffer;
- unsigned char *out;
-
- int headers;
- int i;
- struct cbfs_stage *stage;
- unsigned int data_start, data_end, mem_end;
-
- headers = ehdr->e_phnum;
- header = (char *)ehdr;
-
- phdr = (Elf32_Phdr *) & (header[ehdr->e_phoff]);
- shdr = (Elf32_Shdr *) & (header[ehdr->e_shoff]);
-
- /* Now, regular headers - we only care about PT_LOAD headers,
- * because thats what we're actually going to load
- */
-
- data_start = 0xFFFFFFFF;
- data_end = 0;
- mem_end = 0;
-
- for (i = 0; i < headers; i++) {
- unsigned int start, mend, rend;
-
- if (phdr[i].p_type != PT_LOAD)
- continue;
-
- /* Empty segments are never interesting */
- if (phdr[i].p_memsz == 0)
- continue;
-
- /* BSS */
-
- start = phdr[i].p_paddr;
-
- mend = start + phdr[i].p_memsz;
- rend = start + phdr[i].p_filesz;
-
- if (start < data_start)
- data_start = start;
-
- if (rend > data_end)
- data_end = rend;
-
- if (mend > mem_end)
- mem_end = mend;
- }
-
- /* allocate an intermediate buffer for the data */
- buffer = calloc(data_end - data_start, 1);
-
- if (buffer == NULL) {
- fprintf(stderr, "E: Unable to allocate memory: %m\n");
- return -1;
- }
-
- /* Copy the file data into the buffer */
-
- for (i = 0; i < headers; i++) {
-
- if (phdr[i].p_type != PT_LOAD)
- continue;
-
- if (phdr[i].p_memsz == 0)
- continue;
-
- memcpy(buffer + (phdr[i].p_paddr - data_start),
- &header[phdr[i].p_offset], phdr[i].p_filesz);
- }
-
- /* Now make the output buffer */
- out = calloc(sizeof(struct cbfs_stage) + data_end - data_start, 1);
-
- if (out == NULL) {
- fprintf(stderr, "E: Unable to allocate memory: %m\n");
- return -1;
- }
-
- stage = (struct cbfs_stage *)out;
-
- stage->load = data_start;
- stage->memlen = mem_end - data_start;
- stage->compression = mode;
- stage->entry = ehdr->e_entry;
-
- compress(buffer, data_end - data_start,
- (char *)(out + sizeof(struct cbfs_stage)),
- (int *)&stage->len);
-
- *output = out;
-
- return sizeof(struct cbfs_stage) + stage->len;
-}
-
-int main(int argc, char **argv)
-{
- void (*compress) (char *, int, char *, int *);
- int algo = CBFS_COMPRESS_LZMA;
-
- char *output = NULL;
- char *input = NULL;
-
- unsigned char *buffer, *obuffer;
- int size, osize;
-
- while (1) {
- int option_index;
- static struct option longopt[] = {
- {"output", 1, 0, 'o'},
- {"lzma", 0, 0, 'l'},
- {"nocompress", 0, 0, 'n'},
- };
-
- signed char ch = getopt_long(argc, argv, "o:ln",
- longopt, &option_index);
-
- if (ch == -1)
- break;
-
- switch (ch) {
- case 'o':
- output = optarg;
- break;
- case 'l':
- algo = CBFS_COMPRESS_LZMA;
- break;
- case 'n':
- algo = CBFS_COMPRESS_NONE;
- break;
- default:
- //usage();
- return -1;
- }
- }
-
- if (optind < argc)
- input = argv[optind];
-
- if (input == NULL || !strcmp(input, "-"))
- buffer = file_read_to_buffer(STDIN_FILENO, &size);
- else
- buffer = file_read(input, &size);
-
- if (!iself(buffer)) {
- fprintf(stderr, "E: The incoming file is not an ELF\n");
- return -1;
- }
-
- switch (algo) {
- case CBFS_COMPRESS_NONE:
- compress = none_compress;
- break;
- case CBFS_COMPRESS_LZMA:
- compress = lzma_compress;
- break;
- }
-
- osize = parse_elf(buffer, &obuffer, algo, compress);
-
- if (osize == -1) {
- fprintf(stderr, "E: Error while converting the ELF\n");
- return -1;
- }
-
- if (output == NULL || !strcmp(output, "-"))
- file_write_from_buffer(STDOUT_FILENO, obuffer, osize);
- else
- file_write(output, obuffer, osize);
-
- return 0;
-}
projects / coreboot.git / commitdiff