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[Qemu-devel] [PULL v1 4/4] tpm: CRB: query backend for TPM established f
From: |
Stefan Berger |
Subject: |
[Qemu-devel] [PULL v1 4/4] tpm: CRB: query backend for TPM established flag |
Date: |
Wed, 21 Mar 2018 08:07:51 -0400 |
Signed-off-by: Stefan Berger <address@hidden>
Reviewed-by: Marc-André Lureau <address@hidden>
---
hw/tpm/tpm_crb.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/hw/tpm/tpm_crb.c b/hw/tpm/tpm_crb.c
index e8c42f6..ef8b80e 100644
--- a/hw/tpm/tpm_crb.c
+++ b/hw/tpm/tpm_crb.c
@@ -84,6 +84,12 @@ static uint64_t tpm_crb_mmio_read(void *opaque, hwaddr addr,
unsigned offset = addr & 3;
uint32_t val = *(uint32_t *)regs >> (8 * offset);
+ switch (addr) {
+ case A_CRB_LOC_STATE:
+ val |= !tpm_backend_get_tpm_established_flag(s->tpmbe);
+ break;
+ }
+
trace_tpm_crb_mmio_read(addr, size, val);
return val;
--
2.5.5