mirror of
https://github.com/revyos/thead-kernel.git
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321 lines
7.4 KiB
C
321 lines
7.4 KiB
C
/****************************************************************************
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2014 - 2021 Vivante Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*****************************************************************************
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*
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* The GPL License (GPL)
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*
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* Copyright (C) 2014 - 2021 Vivante Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*****************************************************************************
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*
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* Note: This software is released under dual MIT and GPL licenses. A
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* recipient may use this file under the terms of either the MIT license or
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* GPL License. If you wish to use only one license not the other, you can
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* indicate your decision by deleting one of the above license notices in your
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* version of this file.
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*
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*****************************************************************************/
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#include "gc_hal_kernel_precomp.h"
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#define _GC_OBJ_ZONE gcvZONE_KERNEL
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#if gcdENABLE_TRUST_APPLICATION
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/*
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** Open a security service channel.
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*/
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gceSTATUS
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gckKERNEL_SecurityOpen(
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IN gckKERNEL Kernel,
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IN gctUINT32 GPU,
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OUT gctUINT32 *Channel
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)
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{
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gceSTATUS status;
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gcmkONERROR(gckOS_OpenSecurityChannel(Kernel->os, Kernel->core, Channel));
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gcmkONERROR(gckOS_InitSecurityChannel(*Channel));
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return gcvSTATUS_OK;
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OnError:
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return status;
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}
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/*
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** Close a security service channel
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*/
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gceSTATUS
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gckKERNEL_SecurityClose(
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IN gctUINT32 Channel
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)
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{
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return gcvSTATUS_OK;
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}
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/*
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** Security service interface.
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*/
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gceSTATUS
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gckKERNEL_SecurityCallService(
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IN gctUINT32 Channel,
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IN OUT gcsTA_INTERFACE * Interface
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)
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{
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gceSTATUS status;
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gcmkHEADER();
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gcmkVERIFY_ARGUMENT(Interface != gcvNULL);
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gckOS_CallSecurityService(Channel, Interface);
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status = Interface->result;
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gcmkONERROR(status);
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gcmkFOOTER_NO();
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return gcvSTATUS_OK;
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OnError:
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gcmkFOOTER();
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return status;
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}
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gceSTATUS
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gckKERNEL_SecurityStartCommand(
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IN gckKERNEL Kernel,
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IN gctUINT32 Address,
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IN gctUINT32 Bytes
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)
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{
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gceSTATUS status;
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gcsTA_INTERFACE iface;
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gcmkHEADER();
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iface.command = KERNEL_START_COMMAND;
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iface.u.StartCommand.gpu = Kernel->core;
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iface.u.StartCommand.address = Address;
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iface.u.StartCommand.bytes = Bytes;
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gcmkONERROR(gckKERNEL_SecurityCallService(Kernel->securityChannel, &iface));
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gcmkFOOTER_NO();
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return gcvSTATUS_OK;
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OnError:
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gcmkFOOTER();
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return status;
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}
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gceSTATUS
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gckKERNEL_SecurityAllocateSecurityMemory(
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IN gckKERNEL Kernel,
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IN gctUINT32 Bytes,
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OUT gctUINT32 * Handle
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)
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{
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gceSTATUS status;
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gcsTA_INTERFACE iface;
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gcmkHEADER();
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iface.command = KERNEL_ALLOCATE_SECRUE_MEMORY;
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iface.u.AllocateSecurityMemory.bytes = Bytes;
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gcmkONERROR(gckKERNEL_SecurityCallService(Kernel->securityChannel, &iface));
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*Handle = iface.u.AllocateSecurityMemory.memory_handle;
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gcmkFOOTER_NO();
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return gcvSTATUS_OK;
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OnError:
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gcmkFOOTER();
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return status;
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}
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gceSTATUS
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gckKERNEL_SecurityMapMemory(
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IN gckKERNEL Kernel,
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IN gctUINT32 *PhysicalArray,
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IN gctPHYS_ADDR_T Physical,
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IN gctUINT32 PageCount,
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OUT gctUINT32 * GPUAddress
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)
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{
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gceSTATUS status;
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gcsTA_INTERFACE iface;
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gcmkHEADER();
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iface.command = KERNEL_MAP_MEMORY;
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iface.u.MapMemory.physicals = PhysicalArray;
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iface.u.MapMemory.physical = Physical;
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iface.u.MapMemory.pageCount = PageCount;
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iface.u.MapMemory.gpuAddress = *GPUAddress;
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gcmkONERROR(gckKERNEL_SecurityCallService(Kernel->securityChannel, &iface));
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gcmkFOOTER_NO();
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return gcvSTATUS_OK;
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OnError:
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gcmkFOOTER();
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return status;
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}
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gceSTATUS
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gckKERNEL_SecurityDumpMMUException(
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IN gckKERNEL Kernel
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)
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{
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gceSTATUS status;
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gcsTA_INTERFACE iface;
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gcmkHEADER();
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iface.command = KERNEL_DUMP_MMU_EXCEPTION;
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gcmkONERROR(gckKERNEL_SecurityCallService(Kernel->securityChannel, &iface));
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gcmkFOOTER_NO();
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return gcvSTATUS_OK;
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OnError:
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gcmkFOOTER();
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return status;
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}
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gceSTATUS
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gckKERNEL_SecurityUnmapMemory(
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IN gckKERNEL Kernel,
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IN gctUINT32 GPUAddress,
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IN gctUINT32 PageCount
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)
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{
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gceSTATUS status;
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gcsTA_INTERFACE iface;
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gcmkHEADER();
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iface.command = KERNEL_UNMAP_MEMORY;
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iface.u.UnmapMemory.gpuAddress = GPUAddress;
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iface.u.UnmapMemory.pageCount = PageCount;
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gcmkONERROR(gckKERNEL_SecurityCallService(Kernel->securityChannel, &iface));
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gcmkFOOTER_NO();
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return gcvSTATUS_OK;
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OnError:
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gcmkFOOTER();
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return status;
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}
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gceSTATUS
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gckKERNEL_ReadMMUException(
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IN gckKERNEL Kernel,
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IN gctUINT32_PTR MMUStatus,
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IN gctUINT32_PTR MMUException
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)
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{
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gceSTATUS status;
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gcsTA_INTERFACE iface;
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gcmkHEADER();
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iface.command = KERNEL_READ_MMU_EXCEPTION;
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gcmkONERROR(gckKERNEL_SecurityCallService(Kernel->securityChannel, &iface));
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*MMUStatus = iface.u.ReadMMUException.mmuStatus;
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*MMUException = iface.u.ReadMMUException.mmuException;
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gcmkFOOTER_NO();
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return gcvSTATUS_OK;
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OnError:
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gcmkFOOTER();
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return status;
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}
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gceSTATUS
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gckKERNEL_HandleMMUException(
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IN gckKERNEL Kernel,
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IN gctUINT32 MMUStatus,
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IN gctPHYS_ADDR_T Physical,
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IN gctUINT32 GPUAddress
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)
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{
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gceSTATUS status;
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gcsTA_INTERFACE iface;
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gcmkHEADER();
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iface.command = KERNEL_HANDLE_MMU_EXCEPTION;
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iface.u.HandleMMUException.mmuStatus = MMUStatus;
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iface.u.HandleMMUException.physical = Physical;
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iface.u.HandleMMUException.gpuAddress = GPUAddress;
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gcmkONERROR(gckKERNEL_SecurityCallService(Kernel->securityChannel, &iface));
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gcmkFOOTER_NO();
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return gcvSTATUS_OK;
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OnError:
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gcmkFOOTER();
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return status;
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}
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#endif
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