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authorAhmad Draidi <ar2000jp@gmail.com>2014-10-23 20:50:07 +0300
committerTom Rini <trini@ti.com>2014-10-27 17:54:12 -0400
commit86f4695bd0dd82913936540593bfa8e74fdb98f3 (patch)
tree2cceda3c79eaae173679b019195f3cf3eb9fdbf2 /common/image-android.c
parent11ab5be89df51889c407462b5289eddc2abe9c27 (diff)
image: Fix Android boot image support
This patch makes the following changes: - Set kernel entry point correctly - Append bootargs from image to global bootargs instead of replacing them - Return end address instead of size from android_image_get_end() - Give correct parameter to genimg_get_format() in boot_get_ramdisk() - Move ramdisk message printing from android_image_get_kernel() to android_image_get_ramdisk() Signed-off-by: Ahmad Draidi <ar2000jp@gmail.com> Cc: Tom Rini <trini@ti.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'common/image-android.c')
-rw-r--r--common/image-android.c68
1 files changed, 53 insertions, 15 deletions
diff --git a/common/image-android.c b/common/image-android.c
index 6ded7e2c97..59079fc32b 100644
--- a/common/image-android.c
+++ b/common/image-android.c
@@ -7,9 +7,26 @@
#include <common.h>
#include <image.h>
#include <android_image.h>
+#include <malloc.h>
+#include <errno.h>
static char andr_tmp_str[ANDR_BOOT_ARGS_SIZE + 1];
+/**
+ * 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)
{
@@ -25,16 +42,32 @@ int android_image_get_kernel(const struct andr_img_hdr *hdr, int verify,
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);
+
+ int len = 0;
+ if (*hdr->cmdline) {
+ printf("Kernel command line: %s\n", hdr->cmdline);
+ len += strlen(hdr->cmdline);
+ }
+
+ char *bootargs = getenv("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);
+
+ setenv("bootargs", newbootargs);
if (os_data) {
*os_data = (ulong)hdr;
@@ -52,17 +85,18 @@ 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)
@@ -75,6 +109,10 @@ int android_image_get_ramdisk(const struct andr_img_hdr *hdr,
{
if (!hdr->ramdisk_size)
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);