diff options
Diffstat (limited to 'firmware/lib/vboot_common.c')
| -rw-r--r-- | firmware/lib/vboot_common.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/firmware/lib/vboot_common.c b/firmware/lib/vboot_common.c index abba130b..edc6e163 100644 --- a/firmware/lib/vboot_common.c +++ b/firmware/lib/vboot_common.c @@ -381,6 +381,10 @@ int VerifyKernelPreamble(const VbKernelPreambleHeader* preamble, int VbSharedDataInit(VbSharedDataHeader* header, uint64_t size) { + + VBDEBUG(("VbSharedDataInit, %d bytes, header %d bytes\n", (int)size, + sizeof(VbSharedDataHeader))); + if (size < sizeof(VbSharedDataHeader)) { VBDEBUG(("Not enough data for header.\n")); return VBOOT_SHARED_DATA_INVALID; @@ -397,10 +401,12 @@ int VbSharedDataInit(VbSharedDataHeader* header, uint64_t size) { Memset(header, 0, sizeof(VbSharedDataHeader)); /* Initialize fields */ + header->magic = VB_SHARED_DATA_MAGIC; header->struct_version = VB_SHARED_DATA_VERSION; header->struct_size = sizeof(VbSharedDataHeader); header->data_size = size; header->data_used = sizeof(VbSharedDataHeader); + header->firmware_index = 0xFF; /* Success */ return VBOOT_SUCCESS; @@ -410,6 +416,8 @@ int VbSharedDataInit(VbSharedDataHeader* header, uint64_t size) { uint64_t VbSharedDataReserve(VbSharedDataHeader* header, uint64_t size) { uint64_t offs = header->data_used; + VBDEBUG(("VbSharedDataReserve %d bytes at %d\n", (int)size, (int)offs)); + if (!header || size > header->data_size - header->data_used) { VBDEBUG(("VbSharedData buffer out of space.\n")); return 0; /* Not initialized, or not enough space left. */ |