Package: entropy_src_pkg

Description

Copyright lowRISC contributors.
Licensed under the Apache License, Version 2.0, see LICENSE for details.
SPDX-License-Identifier: Apache-2.0

Signals

Name Type Description
entropy_src_pkg endpackage

Constants

Name Type Value Description
RNG_BUS_WIDTH int 4
CSRNG_BUS_WIDTH int 384
FIPS_BUS_WIDTH int 1
FIPS_CSRNG_BUS_WIDTH int FIPS_BUS_WIDTH + CSRNG_BUS_WIDTH
entropy_src_hw_if_req_t entropy_src_hw_if_req_t undefined
entropy_src_hw_if_rsp_t entropy_src_hw_if_rsp_t undefined
cs_aes_halt_req_t cs_aes_halt_req_t undefined
cs_aes_halt_rsp_t cs_aes_halt_rsp_t undefined
entropy_src_rng_req_t entropy_src_rng_req_t undefined
entropy_src_rng_rsp_t entropy_src_rng_rsp_t undefined
entropy_src_xht_req_t entropy_src_xht_req_t undefined
entropy_src_xht_rsp_t entropy_src_xht_rsp_t undefined

Types

Name Type Description
entropy_src_hw_if_rsp_t struct packed {
logic es_ack;
logic [CSRNG_BUS_WIDTH-1:0] es_bits;
logic [FIPS_BUS_WIDTH-1:0] es_fips;
}		 es entropy i/f
entropy_src_hw_if_req_t struct packed {
logic es_req;
}
cs_aes_halt_req_t struct packed {
logic cs_aes_halt_req;
}		 csrng block encrypt request/ack i/f
cs_aes_halt_rsp_t struct packed {
logic cs_aes_halt_ack;
}
entropy_src_rng_req_t struct packed {
logic rng_enable;
}		 ast rng i/f
entropy_src_rng_rsp_t struct packed {
logic rng_valid;
logic [RNG_BUS_WIDTH-1:0] rng_b;
}
entropy_src_xht_req_t struct packed {
logic [RNG_BUS_WIDTH-1:0] entropy_bit;
logic entropy_bit_valid;
logic clear;
logic active;
logic [15:0] thresh_hi;
logic [15:0] thresh_lo;
logic [15:0] window;
}		 external health test i/f
entropy_src_xht_rsp_t struct packed {
logic[15:0] test_cnt;
logic test_fail_hi_pulse;
logic test_fail_lo_pulse;
}