diff options
Diffstat (limited to 'src/lib/tlcl.c')
| -rw-r--r-- | src/lib/tlcl.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/lib/tlcl.c b/src/lib/tlcl.c index ccf4e8004b..0a4706b164 100644 --- a/src/lib/tlcl.c +++ b/src/lib/tlcl.c @@ -14,6 +14,7 @@ * time. */ +#include <arch/early_variables.h> #include <assert.h> #include <string.h> #include <tpm_lite/tlcl.h> @@ -139,11 +140,20 @@ static uint32_t send(const uint8_t* command) { /* Exported functions. */ +static uint8_t tlcl_init_done CAR_GLOBAL; + uint32_t tlcl_lib_init(void) { + uint8_t done = car_get_var(tlcl_init_done); + if (done) + return VB2_SUCCESS; + if (tis_init()) return VB2_ERROR_UNKNOWN; if (tis_open()) return VB2_ERROR_UNKNOWN; + + car_set_var(tlcl_init_done, 1); + return VB2_SUCCESS; } |