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Diffstat (limited to 'core/include/mm/tee_mmu_types.h')
| -rw-r--r-- | core/include/mm/tee_mmu_types.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/core/include/mm/tee_mmu_types.h b/core/include/mm/tee_mmu_types.h new file mode 100644 index 0000000..891f254 --- /dev/null +++ b/core/include/mm/tee_mmu_types.h @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2014, STMicroelectronics International N.V. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. 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. + * + * 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 TEE_MMU_TYPES_H +#define TEE_MMU_TYPES_H + +#include <stdint.h> + +#define TEE_MATTR_VALID_BLOCK (1 << 0) +#define TEE_MATTR_HIDDEN_BLOCK (1 << 1) +#define TEE_MATTR_HIDDEN_DIRTY_BLOCK (1 << 2) +#define TEE_MATTR_TABLE (1 << 3) +#define TEE_MATTR_PR (1 << 4) +#define TEE_MATTR_PW (1 << 5) +#define TEE_MATTR_PX (1 << 6) +#define TEE_MATTR_PRW (TEE_MATTR_PR | TEE_MATTR_PW) +#define TEE_MATTR_PRX (TEE_MATTR_PR | TEE_MATTR_PX) +#define TEE_MATTR_PRWX (TEE_MATTR_PRW | TEE_MATTR_PX) +#define TEE_MATTR_UR (1 << 7) +#define TEE_MATTR_UW (1 << 8) +#define TEE_MATTR_UX (1 << 9) +#define TEE_MATTR_URW (TEE_MATTR_UR | TEE_MATTR_UW) +#define TEE_MATTR_URX (TEE_MATTR_UR | TEE_MATTR_UX) +#define TEE_MATTR_URWX (TEE_MATTR_URW | TEE_MATTR_UX) + +#define TEE_MATTR_GLOBAL (1 << 10) +#define TEE_MATTR_SECURE (1 << 11) + +#define TEE_MATTR_CACHE_MASK 0x7 +#define TEE_MATTR_CACHE_SHIFT 12 +/* These are shifted TEE_MATTR_CACHE_SHIFT */ +#define TEE_MATTR_CACHE_NONCACHE 0 +#define TEE_MATTR_CACHE_CACHED 1 + +#define TEE_MATTR_LOCKED (1 << 15) + +#define TEE_MMU_UMAP_STACK_IDX 0 +#define TEE_MMU_UMAP_CODE_IDX 1 +#define TEE_MMU_UMAP_NUM_CODE_SEGMENTS 3 + +#define TEE_MMU_UMAP_PARAM_IDX (TEE_MMU_UMAP_CODE_IDX + \ + TEE_MMU_UMAP_NUM_CODE_SEGMENTS) +#define TEE_MMU_UMAP_MAX_ENTRIES (TEE_MMU_UMAP_PARAM_IDX + \ + TEE_NUM_PARAMS) + +struct tee_mmap_region { + unsigned int type; /* enum teecore_memtypes */ + unsigned int region_size; + paddr_t pa; + vaddr_t va; + size_t size; + uint32_t attr; /* TEE_MATTR_* above */ +}; + +struct tee_ta_region { + struct mobj *mobj; + size_t offset; + vaddr_t va; + size_t size; + uint32_t attr; /* TEE_MATTR_* above */ +}; + +struct tee_mmu_info { + struct tee_ta_region regions[TEE_MMU_UMAP_MAX_ENTRIES]; + vaddr_t ta_private_vmem_start; + vaddr_t ta_private_vmem_end; +}; + +#endif |