Add a header-version argument to fastboot
The argument would set the boot header
version for flash:raw and boot
commands when they are used for boot
image creation.
Bug: 77154616
Test: Dumped the created boot image and checked
the header version using unpack_bootimg
Change-Id: I2c458996817615f4351db102b4234984108d47c0
Merged-In: I2c458996817615f4351db102b4234984108d47c0
(cherry picked from commit 88de5556eccdc378084b037413bbece01ddee52d)
diff --git a/fastboot/bootimg_utils.cpp b/fastboot/bootimg_utils.cpp
index 62a26b3..23443ec 100644
--- a/fastboot/bootimg_utils.cpp
+++ b/fastboot/bootimg_utils.cpp
@@ -34,26 +34,25 @@
#include <stdlib.h>
#include <string.h>
-void bootimg_set_cmdline(boot_img_hdr* h, const char* cmdline) {
+void bootimg_set_cmdline(boot_img_hdr_v1* h, const char* cmdline) {
if (strlen(cmdline) >= sizeof(h->cmdline)) die("command line too large: %zu", strlen(cmdline));
strcpy(reinterpret_cast<char*>(h->cmdline), cmdline);
}
-boot_img_hdr* mkbootimg(void* kernel, int64_t kernel_size, off_t kernel_offset,
- void* ramdisk, int64_t ramdisk_size, off_t ramdisk_offset,
- void* second, int64_t second_size, off_t second_offset,
- size_t page_size, size_t base, off_t tags_offset,
- int64_t* bootimg_size)
-{
+boot_img_hdr_v1* mkbootimg(void* kernel, int64_t kernel_size, off_t kernel_offset, void* ramdisk,
+ int64_t ramdisk_size, off_t ramdisk_offset, void* second,
+ int64_t second_size, off_t second_offset, size_t page_size, size_t base,
+ off_t tags_offset, uint32_t header_version, int64_t* bootimg_size) {
size_t page_mask = page_size - 1;
+ int64_t header_actual = sizeof(boot_img_hdr_v1) & (~page_mask);
int64_t kernel_actual = (kernel_size + page_mask) & (~page_mask);
int64_t ramdisk_actual = (ramdisk_size + page_mask) & (~page_mask);
int64_t second_actual = (second_size + page_mask) & (~page_mask);
- *bootimg_size = page_size + kernel_actual + ramdisk_actual + second_actual;
+ *bootimg_size = header_actual + kernel_actual + ramdisk_actual + second_actual;
- boot_img_hdr* hdr = reinterpret_cast<boot_img_hdr*>(calloc(*bootimg_size, 1));
+ boot_img_hdr_v1* hdr = reinterpret_cast<boot_img_hdr_v1*>(calloc(*bootimg_size, 1));
if (hdr == nullptr) {
return hdr;
}
@@ -71,9 +70,13 @@
hdr->page_size = page_size;
+ if (header_version) {
+ hdr->header_version = header_version;
+ hdr->header_size = sizeof(boot_img_hdr_v1);
+ }
+
memcpy(hdr->magic + page_size, kernel, kernel_size);
memcpy(hdr->magic + page_size + kernel_actual, ramdisk, ramdisk_size);
memcpy(hdr->magic + page_size + kernel_actual + ramdisk_actual, second, second_size);
-
return hdr;
}