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authorSimon Glass <sjg@chromium.org>2021-07-18 23:17:59 +0300
committerSimon Glass <sjg@chromium.org>2021-08-01 18:05:24 +0300
commitf9143c12003aabbad3a2485f8ad305f5dff5fae9 (patch)
tree022b47f8b13fe5bb488a3a853ed68850db5a038b /drivers/tpm/tpm_tis_sandbox.c
parent1db235a186c001a50e5f5db9b587bbaa4e397ee7 (diff)
downloadu-boot-f9143c12003aabbad3a2485f8ad305f5dff5fae9.tar.xz
sandbox: tpm: Support the define-space command
Add support for this command, moving away from the previous approach of hard-coding the initial data in the driver, now that the kernel-space data has to be set up by the higher-level vboot code. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/tpm/tpm_tis_sandbox.c')
-rw-r--r--drivers/tpm/tpm_tis_sandbox.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/tpm/tpm_tis_sandbox.c b/drivers/tpm/tpm_tis_sandbox.c
index f22ed846f0..85b22afa4d 100644
--- a/drivers/tpm/tpm_tis_sandbox.c
+++ b/drivers/tpm/tpm_tis_sandbox.c
@@ -210,6 +210,17 @@ static int sandbox_tpm_xfer(struct udevice *dev, const uint8_t *sendbuf,
memset(recvbuf, '\0', *recv_len);
break;
case TPM_CMD_NV_DEFINE_SPACE:
+ index = get_unaligned_be32(sendbuf + 12);
+ length = get_unaligned_be32(sendbuf + 77);
+ seq = sb_tpm_index_to_seq(index);
+ if (seq < 0)
+ return -EINVAL;
+ printf("tpm: define_space index=%#02x, len=%#02x, seq=%#02x\n",
+ index, length, seq);
+ sb_tpm_define_data(tpm->nvdata, seq, length);
+ *recv_len = 12;
+ memset(recvbuf, '\0', *recv_len);
+ break;
case 0x15: /* pcr read */
case 0x5d: /* force clear */
case 0x6f: /* physical enable */