imx: hab: Check if CSF is valid before authenticating image

[people/ms/u-boot.git] / common / image-android.c

diff --git a/common/image-android.c b/common/image-android.c
index ee03b96aaa83d55df3292ce5407850a62e82d1c5..5ad3a1fa38a7d32daec1bb967a403a6da96ac90f 100644 (file)
--- a/common/image-android.c
+++ b/common/image-android.c
@@ -72,7 +72,7 @@ int android_image_get_kernel(const struct andr_img_hdr *hdr, int verify,
                len += strlen(hdr->cmdline);
        }
 
-       char *bootargs = getenv("bootargs");
+       char *bootargs = env_get("bootargs");
        if (bootargs)
                len += strlen(bootargs);
 
@@ -90,7 +90,7 @@ int android_image_get_kernel(const struct andr_img_hdr *hdr, int verify,
        if (*hdr->cmdline)
                strcat(newbootargs, hdr->cmdline);
 
-       setenv("bootargs", newbootargs);
+       env_set("bootargs", newbootargs);
 
        if (os_data) {
                *os_data = (ulong)hdr;
@@ -146,6 +146,25 @@ int android_image_get_ramdisk(const struct andr_img_hdr *hdr,
        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
@@ -161,6 +180,9 @@ int android_image_get_ramdisk(const struct andr_img_hdr *hdr,
 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);
@@ -170,6 +192,12 @@ void android_print_contents(const struct andr_img_hdr *hdr)
        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);
 }