diff options
Diffstat (limited to 'core/tee/tee_svc.c')
| -rw-r--r-- | core/tee/tee_svc.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/core/tee/tee_svc.c b/core/tee/tee_svc.c index 93177d0..b321d85 100644 --- a/core/tee/tee_svc.c +++ b/core/tee/tee_svc.c @@ -33,6 +33,7 @@ #include <utee_types.h> #include <tee/tee_svc.h> #include <tee/tee_cryp_utl.h> +#include <tee/tee_cryp_provider.h> #include <mm/tee_mmu.h> #include <mm/tee_mm.h> #include <kernel/tee_rpc.h> @@ -44,6 +45,8 @@ #include <kernel/trace_ta.h> #include <kernel/chip_services.h> +#define MAX_BASE64_BUFFER_SIZE 120 + #if (CFG_TRACE_LEVEL == TRACE_FLOW) void tee_svc_trace_syscall(int num) { @@ -120,6 +123,10 @@ TEE_Result tee_svc_sys_get_property(uint32_t prop, tee_uaddr_t buf, size_t blen) static const uint32_t ta_time_prot_lvl = 100; struct tee_ta_session *sess; TEE_Result res; + uint8_t base64_buf[MAX_BASE64_BUFFER_SIZE]; + uint32_t base64_buf_size = MAX_BASE64_BUFFER_SIZE; + struct generic_timer_info timer_info; + bool ret; res = tee_ta_get_current_session(&sess); if (res != TEE_SUCCESS) @@ -194,6 +201,23 @@ TEE_Result tee_svc_sys_get_property(uint32_t prop, tee_uaddr_t buf, size_t blen) &ta_time_prot_lvl, sizeof(ta_time_prot_lvl)); + case UTEE_PROP_TEE_GENERIC_TIMER_INFO: + if (blen < sizeof(timer_info)) + return TEE_ERROR_SHORT_BUFFER; + + ret = tee_time_get_generic_timer_info(&timer_info); + if (ret != 0) + return TEE_ERROR_BAD_PARAMETERS; + + res = crypto_ops.codec.base64_encode((uint8_t *)&timer_info, + sizeof(timer_info), base64_buf, &base64_buf_size); + + if (ret != 0) + return TEE_ERROR_SHORT_BUFFER; + else + return tee_svc_copy_to_user(sess, (void *)buf, + base64_buf, base64_buf_size); + case UTEE_PROP_CLIENT_ID: if (blen < sizeof(TEE_Identity)) return TEE_ERROR_SHORT_BUFFER; |