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Diffstat (limited to 'include/bl31/runtime_svc.h')
| -rw-r--r-- | include/bl31/runtime_svc.h | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/include/bl31/runtime_svc.h b/include/bl31/runtime_svc.h deleted file mode 100644 index adafcee4..00000000 --- a/include/bl31/runtime_svc.h +++ /dev/null @@ -1,135 +0,0 @@ -/* - * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * Neither the name of ARM nor the names of its contributors may be used - * to endorse or promote products derived from this software without specific - * prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __RUNTIME_SVC_H__ -#define __RUNTIME_SVC_H__ - -#include <bl_common.h> /* to include exception types */ -#include <smcc_helpers.h> /* to include SMCC definitions */ - - -/******************************************************************************* - * Structure definition, typedefs & constants for the runtime service framework - ******************************************************************************/ - -/* - * Constants to allow the assembler access a runtime service - * descriptor - */ -#define RT_SVC_SIZE_LOG2 5 -#define SIZEOF_RT_SVC_DESC (1 << RT_SVC_SIZE_LOG2) -#define RT_SVC_DESC_INIT 16 -#define RT_SVC_DESC_HANDLE 24 - -/* - * The function identifier has 6 bits for the owning entity number and - * single bit for the type of smc call. When taken together these - * values limit the maximum number of runtime services to 128. - */ -#define MAX_RT_SVCS 128 - -#ifndef __ASSEMBLY__ - -/* Prototype for runtime service initializing function */ -typedef int32_t (*rt_svc_init_t)(void); - -/* - * Prototype for runtime service SMC handler function. x0 (SMC Function ID) to - * x4 are as passed by the caller. Rest of the arguments to SMC and the context - * can be accessed using the handle pointer. The cookie parameter is reserved - * for future use - */ -typedef uintptr_t (*rt_svc_handle_t)(uint32_t smc_fid, - u_register_t x1, - u_register_t x2, - u_register_t x3, - u_register_t x4, - void *cookie, - void *handle, - u_register_t flags); -typedef struct rt_svc_desc { - uint8_t start_oen; - uint8_t end_oen; - uint8_t call_type; - const char *name; - rt_svc_init_t init; - rt_svc_handle_t handle; -} rt_svc_desc_t; - -/* - * Convenience macro to declare a service descriptor - */ -#define DECLARE_RT_SVC(_name, _start, _end, _type, _setup, _smch) \ - static const rt_svc_desc_t __svc_desc_ ## _name \ - __section("rt_svc_descs") __used = { \ - .start_oen = _start, \ - .end_oen = _end, \ - .call_type = _type, \ - .name = #_name, \ - .init = _setup, \ - .handle = _smch } - -/* - * Compile time assertions related to the 'rt_svc_desc' structure to: - * 1. ensure that the assembler and the compiler view of the size - * of the structure are the same. - * 2. ensure that the assembler and the compiler see the initialisation - * routine at the same offset. - * 3. ensure that the assembler and the compiler see the handler - * routine at the same offset. - */ -CASSERT((sizeof(rt_svc_desc_t) == SIZEOF_RT_SVC_DESC), \ - assert_sizeof_rt_svc_desc_mismatch); -CASSERT(RT_SVC_DESC_INIT == __builtin_offsetof(rt_svc_desc_t, init), \ - assert_rt_svc_desc_init_offset_mismatch); -CASSERT(RT_SVC_DESC_HANDLE == __builtin_offsetof(rt_svc_desc_t, handle), \ - assert_rt_svc_desc_handle_offset_mismatch); - - -/* - * This macro combines the call type and the owning entity number corresponding - * to a runtime service to generate a unique owning entity number. This unique - * oen is used to access an entry in the 'rt_svc_descs_indices' array. The entry - * contains the index of the service descriptor in the 'rt_svc_descs' array. - */ -#define get_unique_oen(oen, call_type) ((oen & FUNCID_OEN_MASK) | \ - ((call_type & FUNCID_TYPE_MASK) \ - << FUNCID_OEN_WIDTH)) - -/******************************************************************************* - * Function & variable prototypes - ******************************************************************************/ -void runtime_svc_init(void); -extern uintptr_t __RT_SVC_DESCS_START__; -extern uintptr_t __RT_SVC_DESCS_END__; -void init_crash_reporting(void); - -#endif /*__ASSEMBLY__*/ -#endif /* __RUNTIME_SVC_H__ */ |