When debugging, it is welcome to get more information about what the TPM returns. Add the possibility to print the packets received to show their exact content.
Signed-off-by: Miquel Raynal miquel.raynal@bootlin.com Reviewed-by: Simon Glass sjg@chromium.org --- lib/tpm-common.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/lib/tpm-common.c b/lib/tpm-common.c index 0812b73220..57832debf3 100644 --- a/lib/tpm-common.c +++ b/lib/tpm-common.c @@ -154,6 +154,7 @@ u32 tpm_sendrecv_command(const void *command, void *response, size_t *size_ptr) int err, ret; u8 response_buffer[COMMAND_BUFFER_SIZE]; size_t response_length; + int i;
if (response) { response_length = *size_ptr; @@ -173,7 +174,14 @@ u32 tpm_sendrecv_command(const void *command, void *response, size_t *size_ptr) if (size_ptr) *size_ptr = response_length;
- return tpm_return_code(response); + ret = tpm_return_code(response); + + log(LOGC_NONE, LOGL_DEBUG, "TPM response [ret:%d]: ", ret); + for (i = 0; i < response_length; i++) + log(LOGC_NONE, LOGL_DEBUG, "%02x ", ((u8 *)response)[i]); + log(LOGC_NONE, LOGL_DEBUG, "\n"); + + return ret; }
int tpm_init(void)