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.ray...@bootlin.com>
---
lib/tpm.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/lib/tpm.c b/lib/tpm.c
index 2b329145be..aa46ec1693 100644
--- a/lib/tpm.c
+++ b/lib/tpm.c
@@ -249,6 +249,7 @@ static uint32_t tpm_sendrecv_command(const void *command,
int err, ret;
uint8_t response_buffer[COMMAND_BUFFER_SIZE];
size_t response_length;
+ int i;
if (response) {
response_length = *size_ptr;
@@ -260,15 +261,24 @@ static uint32_t tpm_sendrecv_command(const void *command,
ret = uclass_first_device_err(UCLASS_TPM, &dev);
if (ret)
return ret;
+
err = tpm_xfer(dev, command, tpm_command_size(command),
response, &response_length);
if (err < 0)
return TPM_LIB_ERROR;
+
if (size_ptr)
*size_ptr = response_length;
- return tpm_return_code(response);
+ ret = tpm_return_code(response);
+
+ debug("TPM response [ret:%d]: ", ret);
+ for (i = 0; i < response_length; i++)
+ debug("%02x ", ((u8 *)response)[i]);
+ debug("\n");
+
+ return ret;
}
int tpm_set_specification(int version)
--
2.14.1
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
