/******************************************************************************
Function: load_done
Description: 全部镜像发送完毕开始校验
Input:
cmd_id - 传送给安全OS的cmd_id
Output: none
Return: 0: OK 其他: ERROR码
******************************************************************************/
static s32 load_done(TEEC_Session *session, SECBOOT_CMD_ID cmd_id)
{
TEEC_Result result;
TEEC_Operation operation;
u32 origin;
mutex_lock(&trans_lock);
operation.started = 1;
operation.cancel_flag = 0;
operation.paramTypes = TEEC_PARAM_TYPES(
TEEC_NONE,
TEEC_NONE,
TEEC_NONE,
TEEC_NONE);
result = TEEK_InvokeCommand(
session,
cmd_id,
&operation,
&origin);
if (result != TEEC_SUCCESS) {
sec_print_err("invoke failed!\n");
result = SEC_ERROR;
}
mutex_unlock(&trans_lock);
return result;
}
/******************************************************************************
Function: TEEK_cmd_session
Description: 传入命令到安全OS
Input:
cmd_id - 传送给安全OS的cmd_id
func_cmd - 调用函数命令字
param - 函数入参
Output: none
Return: 0: OK 其他: ERROR码
******************************************************************************/
static int TEEK_cmd_session(TEEC_Session *session,
SECBOOT_CMD_ID cmd_id,
FUNC_CMD_ID func_cmd,
const unsigned int param)
{
TEEC_Result result;
TEEC_Operation operation;
unsigned int origin;
operation.started = 1;
operation.cancel_flag = 0;
operation.paramTypes = TEEC_PARAM_TYPES(
TEEC_VALUE_INPUT,
TEEC_NONE,
TEEC_NONE,
TEEC_NONE);
operation.params[0].value.a = (unsigned int)func_cmd;
operation.params[0].value.b = param;
result = TEEK_InvokeCommand(
session,
cmd_id,
&operation,
&origin);
if (result != TEEC_SUCCESS) {
sec_print_err("invoke failed!result = 0x%x!\n",result);
result = BSP_ERROR;
}
return BSP_OK;
}
/*Do the SecureOs locally for modem only*/
static s32 TEEK_start_modem()
{
s32 ret_os = SEC_ERROR;
TEEC_Session session;
TEEC_Context context;
u32 origin;
TEEC_Operation operation;
TEEC_Result result;
/*TEEK_init do prepare for start SecureOs*/
ret_os = TEEK_init(&session, &context);
if(SEC_ERROR == ret_os)
{
printk(KERN_ERR "%s:TEEK_InitializeContext failed!\n",__FUNCTION__);
return ret_os;
}
memset(&operation, 0, sizeof(TEEC_Operation));
operation.started = 1;
operation.cancel_flag = 0;
/*Configure the local checking parameters*/
operation.paramTypes = TEEC_PARAM_TYPES(
TEEC_VALUE_INPUT,
TEEC_NONE,
TEEC_NONE,
TEEC_NONE);
operation.params[0].value.a = MODEM;
operation.params[1].value.a = NULL;
operation.params[2].value.a = NULL;
/*TEEK_InvokeCommand do the local checking for modem*/
result = TEEK_InvokeCommand(
&session,
SECBOOT_CMD_ID_VERIFY_DATA_TYPE_LOCAL,
&operation,
&origin);
/*When finish TEEK_CloseSession try to close the tee session*/
TEEK_CloseSession(&session);
/*When finish TEEK_FinalizeContext try to close the tee context*/
TEEK_FinalizeContext(&context);
return result;
}
/******************************************************************************
Function: bsp_trans_to_os
Description: 从指定偏移开始传送指定大小的镜像
Input:
cmd_id - 传送给安全OS的cmd_id
*buf - 输入参数，存放要传送到安全os中的值
size - 输入参数，要写入的镜像的bytes大小
offset - 镜像需要写入的偏移地址
Output: none
Return: 0: OK 其他: ERROR码
******************************************************************************/
static s32 bsp_trans_to_os(TEEC_Session *session,
SECBOOT_CMD_ID cmd_id,
void * buf,
const unsigned int offset,
const unsigned int size)
{
TEEC_Result result;
TEEC_Operation operation;
u32 origin;
mutex_lock(&trans_lock);
operation.started = 1;
operation.cancel_flag = 0;
operation.paramTypes = TEEC_PARAM_TYPES(
TEEC_VALUE_INPUT,
TEEC_MEMREF_TEMP_INPUT,
TEEC_VALUE_INPUT,
TEEC_NONE);
operation.params[0].value.a = trans_data.image_addr;
operation.params[0].value.b = offset;
operation.params[1].tmpref.buffer = (void *)g_vrl_P;
operation.params[1].tmpref.size = SECBOOT_VRL_SIZE;
operation.params[2].value.a = (u32)virt_to_phys(buf);
operation.params[2].value.b = size;
result = TEEK_InvokeCommand(
session,
cmd_id,
&operation,
&origin);
if (result != TEEC_SUCCESS) {
sec_print_err("invoke failed!\n");
result = SEC_ERROR;
}
mutex_unlock(&trans_lock);
return result;
}
