diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/rtl/keywrap.v | 4 | ||||
| -rw-r--r-- | src/rtl/keywrap_core.v | 18 | ||||
| -rw-r--r-- | src/rtl/keywrap_mem.v | 2 | ||||
| -rw-r--r-- | src/tb/tb_keywrap.v | 22 |
4 files changed, 24 insertions, 22 deletions
diff --git a/src/rtl/keywrap.v b/src/rtl/keywrap.v index 3117f61..69295ed 100644 --- a/src/rtl/keywrap.v +++ b/src/rtl/keywrap.v @@ -287,7 +287,7 @@ module keywrap( if ((address >= ADDR_KEY0) && (address <= ADDR_KEY7)) key_we = 1'h1; - if (address <= ADDR_R_DATA0 && address <= ADDR_R_DATA127) + if (address >= ADDR_R_DATA0 && address <= ADDR_R_DATA127) core_api_we = 1'h1; end // if (we) @@ -320,7 +320,7 @@ module keywrap( if (address == ADDR_A1) tmp_read_data = core_a_result[31 : 0]; - if (address <= ADDR_R_DATA0 && address <= ADDR_R_DATA127) + if (address >= ADDR_R_DATA0 && address <= ADDR_R_DATA127) tmp_read_data = core_api_rd_data; end end diff --git a/src/rtl/keywrap_core.v b/src/rtl/keywrap_core.v index e7b7749..07a079b 100644 --- a/src/rtl/keywrap_core.v +++ b/src/rtl/keywrap_core.v @@ -127,6 +127,7 @@ module keywrap_core ( reg aes_init; reg aes_next; wire aes_ready; + wire aes_valid; reg [127 : 0] aes_block; wire [127 : 0] aes_result; @@ -170,7 +171,7 @@ module keywrap_core ( .ready(aes_ready), .result(aes_result), - .result_valid() + .result_valid(aes_valid) ); @@ -351,7 +352,10 @@ module keywrap_core ( ready_we = 1'h1; valid_new = 1'h0; valid_we = 1'h1; - keywrap_core_ctrl_new = CTRL_NEXT_START; + init_a = 1'h1; + block_ctr_rst = 1'h1; + iteration_ctr_rst = 1'h1; + keywrap_core_ctrl_new = CTRL_NEXT_LOOP; keywrap_core_ctrl_we = 1'h1; end end @@ -376,16 +380,6 @@ module keywrap_core ( end - CTRL_NEXT_START: - begin - init_a = 1'h1; - block_ctr_rst = 1'h1; - iteration_ctr_rst = 1'h1; - keywrap_core_ctrl_new = CTRL_NEXT_LOOP; - keywrap_core_ctrl_we = 1'h1; - end - - CTRL_NEXT_LOOP: begin aes_next = 1'h1; diff --git a/src/rtl/keywrap_mem.v b/src/rtl/keywrap_mem.v index d31c76c..dc08bab 100644 --- a/src/rtl/keywrap_mem.v +++ b/src/rtl/keywrap_mem.v @@ -81,7 +81,7 @@ module keywrap_mem ( // Assignments for ports. //---------------------------------------------------------------- assign api_rd_data = muxed_api_rd_data; - assign core_rd_data = {core_rd_data1, core_rd_data0}; + assign core_rd_data = {core_rd_data0, core_rd_data1}; //---------------------------------------------------------------- diff --git a/src/tb/tb_keywrap.v b/src/tb/tb_keywrap.v index 6b553ab..2cabca3 100644 --- a/src/tb/tb_keywrap.v +++ b/src/tb/tb_keywrap.v @@ -223,7 +223,7 @@ module tb_keywrap(); task dump_mem(integer n); begin : dump_mem integer i; - for (i = 0 ; i < n ; i = i + 2) + for (i = 0 ; i < n ; i = i + 1) $display("mem0[0x%06x] = 0x%08x mem1[0x%06x] = 0x%08x", i, dut.core.mem.mem0[i], i, dut.core.mem.mem1[i]); $display(""); @@ -247,7 +247,7 @@ module tb_keywrap(); $display("top level state:"); $display("init_reg = 0x%x next_reg = 0x%x", dut.init_reg, dut.next_reg); $display("endec_reg = 0x%x keylen_reg = 0x%x", dut.encdec_reg, dut.keylen_reg); - $display("rlen_reg = 0x%06x", dut.rlen_reg); + $display("rlen_reg = 0x%06x r_bank_reg = 0x%06x", dut.rlen_reg, dut.r_bank_reg); $display("a0_reg = 0x%08x a1_reg = 0x%08x", dut.a0_reg, dut.a1_reg); $display(""); end @@ -257,22 +257,33 @@ module tb_keywrap(); $display("core level state:"); $display("init = 0x%0x next = 0x%0x ready = 0x%0x valid = 0x%0x", dut.core.init, dut.core.next, dut.core.ready, dut.core.valid); + $display("api_we = 0x%0x api_addr = 0x%0x api_wr_data = 0x%0x api_rd_data = 0x%0x", + dut.core.api_we, dut.core.api_addr, dut.core.api_wr_data, dut.core.api_rd_data); $display("rlen = 0x%0x", dut.core.rlen); $display("key = 0x%0x", dut.core.key); $display("a_init = 0x%0x a_result = 0x%0x", dut.core.a_init, dut.core.a_result); $display(""); + $display("update_state = 0x%0x", dut.core.update_state); $display("a_reg = 0x%0x a_new = 0x%0x a_we = 0x%0x", dut.core.a_reg, dut.core.a_new, dut.core.a_we); - $display("aes_block = 0x%0x aes_result = 0x%0x", - dut.core.aes_block, dut.core.aes_result); $display("core_we = 0x%0x core_addr = 0x%0x", dut.core.core_we, dut.core.block_ctr_reg); $display("core_rd_data = 0x%0x core_wr_data = 0x%0x ", dut.core.core_rd_data, dut.core.core_wr_data); $display(""); + + $display("aes_ready = 0x%0x aes_valid = 0x%0x", + dut.core.aes_ready, dut.core.aes_valid); + $display("aes_init = 0x%0x aes_next = 0x%0x", + dut.core.aes_init, dut.core.aes_next); + $display("aes_block = 0x%0x aes_result = 0x%0x", + dut.core.aes_block, dut.core.aes_result); + $display(""); + + $display("block_ctr_reg = 0x%0x iteration_ctr_reg = 0x%0x", dut.core.block_ctr_reg, dut.core.iteration_ctr_reg); $display("keywrap_core_ctrl_reg = 0x%0x", dut.core.keywrap_core_ctrl_reg); @@ -363,9 +374,6 @@ module tb_keywrap(); write_word(ADDR_KEY3, 32'ha8d77e3d); write_word(ADDR_CONFIG, 32'h00000001); - $display("* State after key has been set:"); - dump_dut_state(); - // Initialize the AES engine (to expand the key). // Wait for init to complete. |