// SPDX-License-Identifier: BSD-2-Clause
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/*
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* Copyright (c) 2014, STMicroelectronics International N.V.
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*/
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#include <compiler.h>
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#include <tee_ta_api.h>
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#include <tee_internal_api_extensions.h>
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#include <trace.h>
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#include <user_ta_header.h>
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#include <user_ta_header_defines.h>
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#include <utee_syscalls.h>
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int trace_level = TRACE_LEVEL;
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const char trace_ext_prefix[] = "TA";
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#ifndef TA_VERSION
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#define TA_VERSION "Undefined version"
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#endif
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#ifndef TA_DESCRIPTION
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#define TA_DESCRIPTION "Undefined description"
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#endif
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/* exprted to user_ta_header.c, built within TA */
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struct utee_params;
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#ifdef ARM32
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#define _C_FUNCTION(name) name##_c
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#else
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#define _C_FUNCTION(name) name
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#endif /* ARM32 */
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/* From libutee */
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TEE_Result __utee_entry(unsigned long func, unsigned long session_id,
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struct utee_params *up, unsigned long cmd_id);
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void __noreturn _C_FUNCTION(__ta_entry)(unsigned long func,
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unsigned long session_id,
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struct utee_params *up,
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unsigned long cmd_id);
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void __noreturn _C_FUNCTION(__ta_entry)(unsigned long func,
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unsigned long session_id,
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struct utee_params *up,
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unsigned long cmd_id)
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{
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TEE_Result res = __utee_entry(func, session_id, up, cmd_id);
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#if defined(CFG_FTRACE_SUPPORT)
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/*
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* __ta_entry is the first TA API called from TEE core. As it being
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* __noreturn API, we need to call ftrace_return in this API just
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* before _utee_return syscall to get proper ftrace call graph.
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*/
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ftrace_return();
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#endif
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_utee_return(res);
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}
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/*
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* According to GP Internal API, TA_STACK_SIZE corresponds to the stack
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* size used by the TA code itself and does not include stack space
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* possibly used by the Trusted Core Framework.
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* Hence, stack_size which is the size of the stack to use,
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* must be enlarged
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* It has been set to 2048 to include trace framework and invoke commands
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*/
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#define TA_FRAMEWORK_STACK_SIZE 2048
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const struct ta_head ta_head __section(".ta_head") = {
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/* UUID, unique to each TA */
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.uuid = TA_UUID,
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/*
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* According to GP Internal API, TA_FRAMEWORK_STACK_SIZE corresponds to
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* the stack size used by the TA code itself and does not include stack
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* space possibly used by the Trusted Core Framework.
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* Hence, stack_size which is the size of the stack to use,
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* must be enlarged
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*/
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.stack_size = TA_STACK_SIZE + TA_FRAMEWORK_STACK_SIZE,
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.flags = TA_FLAGS,
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/*
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* The TA entry doesn't go via this field any longer, to be able to
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* reliably check that an old TA isn't loaded set this field to a
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* fixed value.
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*/
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.depr_entry = UINT64_MAX,
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};
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/* Keeping the heap in bss */
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uint8_t ta_heap[TA_DATA_SIZE];
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const size_t ta_heap_size = sizeof(ta_heap);
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const struct user_ta_property ta_props[] = {
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{TA_PROP_STR_SINGLE_INSTANCE, USER_TA_PROP_TYPE_BOOL,
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&(const bool){(TA_FLAGS & TA_FLAG_SINGLE_INSTANCE) != 0}},
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{TA_PROP_STR_MULTI_SESSION, USER_TA_PROP_TYPE_BOOL,
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&(const bool){(TA_FLAGS & TA_FLAG_MULTI_SESSION) != 0}},
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{TA_PROP_STR_KEEP_ALIVE, USER_TA_PROP_TYPE_BOOL,
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&(const bool){(TA_FLAGS & TA_FLAG_INSTANCE_KEEP_ALIVE) != 0}},
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{TA_PROP_STR_DATA_SIZE, USER_TA_PROP_TYPE_U32,
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&(const uint32_t){TA_DATA_SIZE}},
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{TA_PROP_STR_STACK_SIZE, USER_TA_PROP_TYPE_U32,
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&(const uint32_t){TA_STACK_SIZE}},
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{TA_PROP_STR_VERSION, USER_TA_PROP_TYPE_STRING,
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TA_VERSION},
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{TA_PROP_STR_DESCRIPTION, USER_TA_PROP_TYPE_STRING,
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TA_DESCRIPTION},
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/*
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* Extended propietary properties, name of properties must not begin with
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* "gpd."
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*/
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#ifdef TA_CURRENT_TA_EXT_PROPERTIES
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TA_CURRENT_TA_EXT_PROPERTIES
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#endif
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};
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const size_t ta_num_props = sizeof(ta_props) / sizeof(ta_props[0]);
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#ifdef CFG_FTRACE_SUPPORT
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struct __ftrace_info __ftrace_info = {
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#ifdef __ILP32__
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.buf_start.ptr32 = { .lo = (uint32_t)&__ftrace_buf_start },
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.buf_end.ptr32 = { .lo = (uint32_t)__ftrace_buf_end },
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.ret_ptr.ptr32 = { .lo = (uint32_t)&__ftrace_return },
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#else
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.buf_start.ptr64 = (uint64_t)&__ftrace_buf_start,
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.buf_end.ptr64 = (uint64_t)__ftrace_buf_end,
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.ret_ptr.ptr64 = (uint64_t)&__ftrace_return,
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#endif
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};
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#endif
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int tahead_get_trace_level(void)
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{
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/*
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* Store trace level in TA head structure, as ta_head.prop_tracelevel
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*/
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return TRACE_LEVEL;
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}
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