kopia lustrzana https://github.com/espressif/esp-idf
127 wiersze
2.4 KiB
C
127 wiersze
2.4 KiB
C
/*
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* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "hal/mpi_hal.h"
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#include "hal/mpi_ll.h"
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#include "sdkconfig.h"
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size_t mpi_hal_calc_hardware_words(size_t words)
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{
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return mpi_ll_calculate_hardware_words(words);
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}
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void mpi_hal_enable_hardware_hw_op(void)
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{
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mpi_ll_clear_power_control_bit();
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while (mpi_ll_check_memory_init_complete()) {
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}
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// Note: from enabling RSA clock to here takes about 1.3us
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#if !CONFIG_IDF_TARGET_ESP32
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mpi_ll_disable_interrupt();
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#endif
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}
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void mpi_hal_disable_hardware_hw_op(void)
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{
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mpi_ll_set_power_control_bit();
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}
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void mpi_hal_interrupt_enable(bool enable)
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{
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if (enable){
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mpi_ll_enable_interrupt();
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}
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else {
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mpi_ll_disable_interrupt();
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}
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}
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void mpi_hal_clear_interrupt(void)
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{
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mpi_ll_clear_interrupt();
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}
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void mpi_hal_set_mode(size_t num_words)
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{
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mpi_ll_set_mode(num_words);
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}
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void mpi_hal_write_to_mem_block(mpi_param_t param, size_t offset, const uint32_t* p, size_t n, size_t num_words)
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{
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mpi_ll_write_to_mem_block(param, offset, p, n, num_words);
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}
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void mpi_hal_write_at_offset(mpi_param_t param, int offset, uint32_t value)
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{
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mpi_ll_write_at_offset(param, offset, value);
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}
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void mpi_hal_write_m_prime(uint32_t Mprime)
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{
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mpi_ll_write_m_prime(Mprime);
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}
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void mpi_hal_write_rinv(uint32_t rinv)
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{
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mpi_ll_write_rinv(rinv);
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}
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// Acceleration options
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#if !CONFIG_IDF_TARGET_ESP32
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void mpi_hal_enable_constant_time(bool enable)
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{
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if (enable){
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mpi_ll_enable_constant_time();
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}
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else {
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mpi_ll_disable_constant_time();
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}
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}
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void mpi_hal_enable_search(bool enable)
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{
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if (enable){
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mpi_ll_enable_search();
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}
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else {
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mpi_ll_disable_search();
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}
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}
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void mpi_hal_set_search_position(size_t position)
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{
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mpi_ll_set_search_position(position);
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}
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#endif /* !CONFIG_IDF_TARGET_ESP32 */
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/* Begin an RSA operation.
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*/
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void mpi_hal_start_op(mpi_op_t op)
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{
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/* Clear interrupt status */
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mpi_hal_clear_interrupt();
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mpi_ll_start_op(op);
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}
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/* Wait for an RSA operation to complete.
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*/
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void mpi_hal_wait_op_complete(void)
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{
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while (mpi_ll_get_int_status())
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{ }
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/* Clear interrupt status */
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mpi_hal_clear_interrupt();
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}
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void mpi_hal_read_result_hw_op(uint32_t* p, size_t n, size_t z_words)
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{
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/* Wait for an RSA operation to complete. */
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mpi_hal_wait_op_complete();
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mpi_ll_read_from_mem_block(p, n, z_words);
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}
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