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tpm: Add debugging of request in tpm_sendrecv_command() 

The response is shown but not the request. Update the code to show both
if debugging is enabled.

Use a 'uint' type for size so it matches the register-word size on both
32- and 64-bit machines.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-02-06 14:23:34 -07:00 committed by Tom Rini
parent d5cb6687c5
commit 1a39ab87b7
1 changed files with 8 additions and 2 deletions
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10
lib/tpm-common.c
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@ -166,6 +166,7 @@ u32 tpm_sendrecv_command(struct udevice *dev, const void *command,
u8 response_buffer[COMMAND_BUFFER_SIZE];
size_t response_length;
int i;
uint size;
if (response) {
response_length = *size_ptr;
@ -174,8 +175,13 @@ u32 tpm_sendrecv_command(struct udevice *dev, const void *command,
response_length = sizeof(response_buffer);
}
err = tpm_xfer(dev, command, tpm_command_size(command),
response, &response_length);
size = tpm_command_size(command);
log_debug("TPM request [size:%d]: ", size);
for (i = 0; i < size; i++)
log_debug("%02x ", ((u8 *)command)[i]);
log_debug("\n");
err = tpm_xfer(dev, command, size, response, &response_length);
if (err < 0)
return err;