| // SPDX-License-Identifier: BSD-2-Clause |
| /* |
| * Copyright (c) 2014, STMicroelectronics International N.V. |
| */ |
| |
| #include "mpa.h" |
| |
| /* |
| * mpa_init_static |
| */ |
| void mpa_init_static(mpanum src, uint32_t len) |
| { |
| src->alloc = U32_TO_ASIZE(len - MPA_NUMBASE_METADATA_SIZE_IN_U32); |
| src->size = 0; |
| if (src->alloc > 0) |
| src->d[0] = 0; |
| } |
| |
| /*------------------------------------------------------------ |
| * |
| * mpa_InitStaticFMMContext |
| * |
| */ |
| void mpa_init_static_fmm_context(mpa_fmm_context_base *context, uint32_t len) |
| { |
| mpa_asize_t m_alloc; |
| |
| m_alloc = |
| U32_TO_ASIZE((mpa_asize_t) len - |
| (mpa_asize_t) MPA_FMM_CONTEXT_METADATA_SIZE_IN_U32); |
| /* clear the array before halfing into r and r2 */ |
| mpa_memset(context->m, 0, m_alloc * BYTES_PER_WORD); |
| m_alloc /= 2; |
| |
| /* setup context content */ |
| context->n_inv = 0; |
| |
| context->r_ptr = (void *)context->m; |
| context->r_ptr->alloc = |
| m_alloc - U32_TO_ASIZE(MPA_NUMBASE_METADATA_SIZE_IN_U32); |
| context->r_ptr->size = 0; |
| |
| context->r2_ptr = (void *)(context->m + m_alloc); |
| context->r2_ptr->alloc = |
| m_alloc - U32_TO_ASIZE(MPA_NUMBASE_METADATA_SIZE_IN_U32); |
| context->r2_ptr->size = 0; |
| } |