[U-Boot] [PATCH 06/25] sandbox: tpm: Allow debugging of data packages

Simon Glass
2018-11-06T22:21:23Z

This is not normally useful, so change the code to avoid writing out every
data package. This can be enabled with #define DEBUG.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

drivers/tpm/tpm_tis_sandbox.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/tpm/tpm_tis_sandbox.c b/drivers/tpm/tpm_tis_sandbox.c
index 79517f015af..3336f559e57 100644
--- a/drivers/tpm/tpm_tis_sandbox.c
+++ b/drivers/tpm/tpm_tis_sandbox.c
@@ -187,9 +187,11 @@ static int sandbox_tpm_xfer(struct udevice *dev, const uint8_t *sendbuf,

code = get_unaligned_be32(sendbuf + sizeof(uint16_t) +
sizeof(uint32_t));
+#ifdef DEBUG
printf("tpm: %zd bytes, recv_len %zd, cmd = %x\n", send_size,
*recv_len, code);
print_buffer(0, sendbuf, 1, send_size, 0);
+#endif
switch (code) {
case TPM_CMD_GET_CAPABILITY:
type = get_unaligned_be32(sendbuf + 14);
@@ -306,6 +308,10 @@ static int sandbox_tpm_xfer(struct udevice *dev, const uint8_t *sendbuf,
printf("Unknown tpm command %02x\n", code);
return -ENOSYS;
}
+#ifdef DEBUG
+ printf("tpm: rx recv_len %zd\n", *recv_len);
+ print_buffer(0, recvbuf, 1, *recv_len, 0);
+#endif

return 0;
}
--
2.19.1.930.g4563a0d9d0-goog