X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=common%2Fimage-android.c;h=5ad3a1fa38a7d32daec1bb967a403a6da96ac90f;hb=ed286bc80e9d237dd1732ced037427e7d9a277a0;hp=6ded7e2c97ef6d0925895b3439d0f18c694e6562;hpb=c534d2fdcf7aa80230a0f1ed54d5e3164ba595eb;p=people%2Fms%2Fu-boot.git diff --git a/common/image-android.c b/common/image-android.c index 6ded7e2c97..5ad3a1fa38 100644 --- a/common/image-android.c +++ b/common/image-android.c @@ -7,12 +7,52 @@ #include #include #include +#include +#include + +#define ANDROID_IMAGE_DEFAULT_KERNEL_ADDR 0x10008000 static char andr_tmp_str[ANDR_BOOT_ARGS_SIZE + 1]; +static ulong android_image_get_kernel_addr(const struct andr_img_hdr *hdr) +{ + /* + * All the Android tools that generate a boot.img use this + * address as the default. + * + * Even though it doesn't really make a lot of sense, and it + * might be valid on some platforms, we treat that adress as + * the default value for this field, and try to execute the + * kernel in place in such a case. + * + * Otherwise, we will return the actual value set by the user. + */ + if (hdr->kernel_addr == ANDROID_IMAGE_DEFAULT_KERNEL_ADDR) + return (ulong)hdr + hdr->page_size; + + return hdr->kernel_addr; +} + +/** + * android_image_get_kernel() - processes kernel part of Android boot images + * @hdr: Pointer to image header, which is at the start + * of the image. + * @verify: Checksum verification flag. Currently unimplemented. + * @os_data: Pointer to a ulong variable, will hold os data start + * address. + * @os_len: Pointer to a ulong variable, will hold os data length. + * + * This function returns the os image's start address and length. Also, + * it appends the kernel command line to the bootargs env variable. + * + * Return: Zero, os start address and length on success, + * otherwise on failure. + */ int android_image_get_kernel(const struct andr_img_hdr *hdr, int verify, ulong *os_data, ulong *os_len) { + u32 kernel_addr = android_image_get_kernel_addr(hdr); + /* * Not all Android tools use the id field for signing the image with * sha1 (or anything) so we don't check it. It is not obvious that the @@ -24,17 +64,33 @@ int android_image_get_kernel(const struct andr_img_hdr *hdr, int verify, printf("Android's image name: %s\n", andr_tmp_str); printf("Kernel load addr 0x%08x size %u KiB\n", - hdr->kernel_addr, DIV_ROUND_UP(hdr->kernel_size, 1024)); - strncpy(andr_tmp_str, hdr->cmdline, ANDR_BOOT_ARGS_SIZE); - andr_tmp_str[ANDR_BOOT_ARGS_SIZE] = '\0'; - if (strlen(andr_tmp_str)) { - printf("Kernel command line: %s\n", andr_tmp_str); - setenv("bootargs", andr_tmp_str); + kernel_addr, DIV_ROUND_UP(hdr->kernel_size, 1024)); + + int len = 0; + if (*hdr->cmdline) { + printf("Kernel command line: %s\n", hdr->cmdline); + len += strlen(hdr->cmdline); + } + + char *bootargs = env_get("bootargs"); + if (bootargs) + len += strlen(bootargs); + + char *newbootargs = malloc(len + 2); + if (!newbootargs) { + puts("Error: malloc in android_image_get_kernel failed!\n"); + return -ENOMEM; + } + *newbootargs = '\0'; + + if (bootargs) { + strcpy(newbootargs, bootargs); + strcat(newbootargs, " "); } - if (hdr->ramdisk_size) - printf("RAM disk load addr 0x%08x size %u KiB\n", - hdr->ramdisk_addr, - DIV_ROUND_UP(hdr->ramdisk_size, 1024)); + if (*hdr->cmdline) + strcat(newbootargs, hdr->cmdline); + + env_set("bootargs", newbootargs); if (os_data) { *os_data = (ulong)hdr; @@ -52,29 +108,36 @@ int android_image_check_header(const struct andr_img_hdr *hdr) ulong android_image_get_end(const struct andr_img_hdr *hdr) { - u32 size = 0; + ulong end; /* * The header takes a full page, the remaining components are aligned * on page boundary */ - size += hdr->page_size; - size += ALIGN(hdr->kernel_size, hdr->page_size); - size += ALIGN(hdr->ramdisk_size, hdr->page_size); - size += ALIGN(hdr->second_size, hdr->page_size); + end = (ulong)hdr; + end += hdr->page_size; + end += ALIGN(hdr->kernel_size, hdr->page_size); + end += ALIGN(hdr->ramdisk_size, hdr->page_size); + end += ALIGN(hdr->second_size, hdr->page_size); - return size; + return end; } ulong android_image_get_kload(const struct andr_img_hdr *hdr) { - return hdr->kernel_addr; + return android_image_get_kernel_addr(hdr); } int android_image_get_ramdisk(const struct andr_img_hdr *hdr, ulong *rd_data, ulong *rd_len) { - if (!hdr->ramdisk_size) + if (!hdr->ramdisk_size) { + *rd_data = *rd_len = 0; return -1; + } + + printf("RAM disk load addr 0x%08x size %u KiB\n", + hdr->ramdisk_addr, DIV_ROUND_UP(hdr->ramdisk_size, 1024)); + *rd_data = (unsigned long)hdr; *rd_data += hdr->page_size; *rd_data += ALIGN(hdr->kernel_size, hdr->page_size); @@ -82,3 +145,60 @@ int android_image_get_ramdisk(const struct andr_img_hdr *hdr, *rd_len = hdr->ramdisk_size; return 0; } + +int android_image_get_second(const struct andr_img_hdr *hdr, + ulong *second_data, ulong *second_len) +{ + if (!hdr->second_size) { + *second_data = *second_len = 0; + return -1; + } + + *second_data = (unsigned long)hdr; + *second_data += hdr->page_size; + *second_data += ALIGN(hdr->kernel_size, hdr->page_size); + *second_data += ALIGN(hdr->ramdisk_size, hdr->page_size); + + printf("second address is 0x%lx\n",*second_data); + + *second_len = hdr->second_size; + return 0; +} + +#if !defined(CONFIG_SPL_BUILD) +/** + * android_print_contents - prints out the contents of the Android format image + * @hdr: pointer to the Android format image header + * + * android_print_contents() formats a multi line Android image contents + * description. + * The routine prints out Android image properties + * + * returns: + * no returned results + */ +void android_print_contents(const struct andr_img_hdr *hdr) +{ + const char * const p = IMAGE_INDENT_STRING; + /* os_version = ver << 11 | lvl */ + u32 os_ver = hdr->os_version >> 11; + u32 os_lvl = hdr->os_version & ((1U << 11) - 1); + + printf("%skernel size: %x\n", p, hdr->kernel_size); + printf("%skernel address: %x\n", p, hdr->kernel_addr); + printf("%sramdisk size: %x\n", p, hdr->ramdisk_size); + printf("%sramdisk addrress: %x\n", p, hdr->ramdisk_addr); + printf("%ssecond size: %x\n", p, hdr->second_size); + printf("%ssecond address: %x\n", p, hdr->second_addr); + printf("%stags address: %x\n", p, hdr->tags_addr); + printf("%spage size: %x\n", p, hdr->page_size); + /* ver = A << 14 | B << 7 | C (7 bits for each of A, B, C) + * lvl = ((Y - 2000) & 127) << 4 | M (7 bits for Y, 4 bits for M) */ + printf("%sos_version: %x (ver: %u.%u.%u, level: %u.%u)\n", + p, hdr->os_version, + (os_ver >> 7) & 0x7F, (os_ver >> 14) & 0x7F, os_ver & 0x7F, + (os_lvl >> 4) + 2000, os_lvl & 0x0F); + printf("%sname: %s\n", p, hdr->name); + printf("%scmdline: %s\n", p, hdr->cmdline); +} +#endif