openkylin
/
qemu
mirror of https://gitee.com/openkylin/qemu.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

tpm: CRB: query backend for TPM established flag 

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Stefan Berger 2018-03-20 16:31:50 -04:00
parent de4a22d0fa
commit ffbf24bdb2
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
hw/tpm/tpm_crb.c
View File

@ -84,6 +84,12 @@ static uint64_t tpm_crb_mmio_read(void *opaque, hwaddr addr,
unsigned offset = addr & 3; unsigned offset = addr & 3;
uint32_t val = *(uint32_t *)regs >> (8 * offset); 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); trace_tpm_crb_mmio_read(addr, size, val);
return val; return val;