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https://github.com/trezor/trezor-firmware.git
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65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TREZORHAL_TRUSTZONE
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#define TREZORHAL_TRUSTZONE
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#include <trezor_types.h>
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#ifdef BOARDLOADER
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// Provides initial security configuration of CPU and GTZC
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// in the board-loader
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void tz_init_boardloader(void);
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#endif // BOARDLOADER
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// Alters configuration of GTZC in the kernel
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void tz_init_kernel(void);
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// Alignment required by MCPBB/GTZC for SRAM regions
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#define TZ_SRAM_ALIGNMENT 512
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// Set unprivileged access to an SRAM address range at the
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// MCPBB/GTZC level. The region's start and end are automatically aligned to
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// 512B to cover the entire specified range.
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void tz_set_sram_unpriv(uint32_t start, uint32_t size, bool unpriv);
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// Alignment required by GTZC for FLASH regions
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#define TZ_FLASH_ALIGNMENT 8192
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// Sets unprivileged access to a FLASH address range at the
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// MCPBB/GTZC level. The region's start and end are automatically aligned to
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// 8KB to cover the entire specified range.
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void tz_set_flash_unpriv(uint32_t start, uint32_t size, bool unpriv);
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// Sets unprivileged access to the SAES peripheral.
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void tz_set_saes_unpriv(bool unpriv);
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// Sets unprivileged access to the TAMP peripheral.
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void tz_set_tamper_unpriv(bool unpriv);
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// Sets unprivileged access to the DMA2D peripheral.
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void tz_set_dma2d_unpriv(bool unpriv);
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// Sets unprivileged access to the GFXMMU peripheral.
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void tz_set_gfxmmu_unpriv(bool unpriv);
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#endif // TREZORHAL_TRUSTZONE
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