Commit aa643013 authored by Miquel Raynal's avatar Miquel Raynal Committed by Tom Rini
Browse files

tpm: add possible traces to analyze buffers returned by the TPM

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: default avatarMiquel Raynal <>
Reviewed-by: Simon Glass's avatarSimon Glass <>
Reviewed-by: Tom Rini's avatarTom Rini <>
parent f6872816
......@@ -153,6 +153,7 @@ 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;
......@@ -172,7 +173,14 @@ 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]);
return ret;
int tpm_init(void)
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