static int do_bootm_aimage(struct image_data *data)
{
struct resource *snd_stage_res;
int fd, ret;
struct android_header __header, *header;
void *buf;
int to_read;
struct android_header_comp *cmp;
unsigned long mem_free;
unsigned long mem_start, mem_size;
ret = sdram_start_and_size(&mem_start, &mem_size);
if (ret)
return ret;
fd = open(data->os_file, O_RDONLY);
if (fd < 0) {
perror("open");
return 1;
}
header = &__header;
ret = read(fd, header, sizeof(*header));
if (ret < sizeof(*header)) {
printf("could not read %s\n", data->os_file);
goto err_out;
}
printf("Android Image for '%s'\n", header->name);
/*
* As on tftp we do not support lseek and we will just have to seek
* for the size of a page - 1 max just buffer instead to read to dummy
* data
*/
buf = xmalloc(header->page_size);
to_read = header->page_size - sizeof(*header);
ret = read_full(fd, buf, to_read);
if (ret < 0) {
printf("could not read dummy %d from %s\n", to_read, data->os_file);
goto err_out;
}
cmp = &header->kernel;
data->os_res = request_sdram_region("akernel", cmp->load_addr, cmp->size);
if (!data->os_res) {
pr_err("Cannot request region 0x%08x - 0x%08x, using default load address\n",
cmp->load_addr, cmp->size);
data->os_address = mem_start + PAGE_ALIGN(cmp->size * 4);
data->os_res = request_sdram_region("akernel", data->os_address, cmp->size);
if (!data->os_res) {
pr_err("Cannot request region 0x%08x - 0x%08x\n",
cmp->load_addr, cmp->size);
ret = -ENOMEM;
goto err_out;
}
}
ret = aimage_load_resource(fd, data->os_res, buf, header->page_size);
if (ret < 0) {
perror("could not read kernel");
goto err_out;
}
/*
* fastboot always expect a ramdisk
* in barebox we can be less restrictive
*/
cmp = &header->ramdisk;
if (cmp->size) {
data->initrd_res = request_sdram_region("ainitrd", cmp->load_addr, cmp->size);
if (!data->initrd_res) {
ret = -ENOMEM;
goto err_out;
}
ret = aimage_load_resource(fd, data->initrd_res, buf, header->page_size);
if (ret < 0) {
perror("could not read initrd");
goto err_out;
}
}
if (!getenv("aimage_noverwrite_bootargs"))
linux_bootargs_overwrite(header->cmdline);
if (!getenv("aimage_noverwrite_tags"))
armlinux_set_bootparams((void*)header->tags_addr);
cmp = &header->second_stage;
if (cmp->size) {
void (*second)(void);
snd_stage_res = request_sdram_region("asecond", cmp->load_addr, cmp->size);
if (!snd_stage_res) {
ret = -ENOMEM;
goto err_out;
}
ret = aimage_load_resource(fd, snd_stage_res, buf, header->page_size);
if (ret < 0) {
perror("could not read initrd");
goto err_out;
}
second = (void*)snd_stage_res->start;
shutdown_barebox();
second();
restart_machine();
}
close(fd);
/*
* Put devicetree right after initrd if present or after the kernel
* if not.
*/
if (data->initrd_res)
mem_free = PAGE_ALIGN(data->initrd_res->end);
else
mem_free = PAGE_ALIGN(data->os_res->end + SZ_1M);
return __do_bootm_linux(data, mem_free, 0);
err_out:
linux_bootargs_overwrite(NULL);
close(fd);
return ret;
}
static int do_bootm_aimage(struct image_data *data)
{
struct resource *snd_stage_res;
int fd, ret;
struct android_header __header, *header;
void *buf;
int to_read;
struct android_header_comp *cmp;
fd = open(data->os_file, O_RDONLY);
if (fd < 0) {
perror("open");
return 1;
}
header = &__header;
ret = read(fd, header, sizeof(*header));
if (ret < sizeof(*header)) {
printf("could not read %s\n", data->os_file);
goto err_out;
}
printf("Android Image for '%s'\n", header->name);
/*
* As on tftp we do not support lseek and we will just have to seek
* for the size of a page - 1 max just buffer instead to read to dummy
* data
*/
buf = xmalloc(header->page_size);
to_read = header->page_size - sizeof(*header);
ret = read_full(fd, buf, to_read);
if (ret < 0) {
printf("could not read dummy %d from %s\n", to_read, data->os_file);
goto err_out;
}
cmp = &header->kernel;
data->os_res = request_sdram_region("akernel", cmp->load_addr, cmp->size);
if (!data->os_res) {
ret = -ENOMEM;
goto err_out;
}
ret = aimage_load_resource(fd, data->os_res, buf, header->page_size);
if (ret < 0) {
perror("could not read kernel");
goto err_out;
}
/*
* fastboot always expect a ramdisk
* in barebox we can be less restrictive
*/
cmp = &header->ramdisk;
if (cmp->size) {
data->initrd_res = request_sdram_region("ainitrd", cmp->load_addr, cmp->size);
if (!data->initrd_res) {
ret = -ENOMEM;
goto err_out;
}
ret = aimage_load_resource(fd, data->initrd_res, buf, header->page_size);
if (ret < 0) {
perror("could not read initrd");
goto err_out;
}
}
if (!getenv("aimage_noverwrite_bootargs"))
linux_bootargs_overwrite(header->cmdline);
if (!getenv("aimage_noverwrite_tags"))
armlinux_set_bootparams((void*)header->tags_addr);
cmp = &header->second_stage;
if (cmp->size) {
void (*second)(void);
snd_stage_res = request_sdram_region("asecond", cmp->load_addr, cmp->size);
if (!snd_stage_res) {
ret = -ENOMEM;
goto err_out;
}
ret = aimage_load_resource(fd, snd_stage_res, buf, header->page_size);
if (ret < 0) {
perror("could not read initrd");
goto err_out;
}
second = (void*)snd_stage_res->start;
shutdown_barebox();
second();
reset_cpu(0);
}
close(fd);
return __do_bootm_linux(data, 0);
err_out:
linux_bootargs_overwrite(NULL);
close(fd);
return ret;
}