diff options
| author | Joachim StroĢmbergson <joachim@secworks.se> | 2018-11-23 12:55:36 +0100 |
|---|---|---|
| committer | Joachim StroĢmbergson <joachim@secworks.se> | 2018-11-23 12:55:36 +0100 |
| commit | e8fb3bbedca650c3b5fdf0e620bdc231bc85fd55 (patch) | |
| tree | 5b042d59daf25989273334a2fd02111407b76af0 /src/rtl/keywrap_mkmif.v | |
| parent | f67001b76c6b6a7764bbea7fdec5d5d0e3ce9792 (diff) | |
Added ability observe mkmif state. Realized that the write operation handler was under read operation handling. Fixed this and now status write works. We can observe 0xdeadbeef in the memory after status write operation.
Diffstat (limited to 'src/rtl/keywrap_mkmif.v')
| -rw-r--r-- | src/rtl/keywrap_mkmif.v | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/src/rtl/keywrap_mkmif.v b/src/rtl/keywrap_mkmif.v index e2b9302..88af6f8 100644 --- a/src/rtl/keywrap_mkmif.v +++ b/src/rtl/keywrap_mkmif.v @@ -282,27 +282,33 @@ module keywrap_mkmif ( keywrap_mkmif_ctrl_new = CTRL_READ_STATUS_WAIT; keywrap_mkmif_ctrl_we = 1'h1; end + end + + if (write) + begin + ready_new = 1'h0; + ready_we = 1'h1; - if (write) - if (key_status) - begin - key_word_ctr_rst = 1'h1; - keywrap_mkmif_ctrl_new = CTRL_WRITE_KEY; - keywrap_mkmif_ctrl_we = 1'h1; - end - else - begin - mkm_write_op = 1'h1; - mkm_addr_new = MKM_STATUS_WORD; - mkm_addr_we = 1'h1; - mkm_write_data_new = wr_status; - mkm_write_data_we = 1'h1; - keywrap_mkmif_ctrl_new = CTRL_WAIT; - keywrap_mkmif_ctrl_we = 1'h1; - end + if (key_status) + begin + key_word_ctr_rst = 1'h1; + keywrap_mkmif_ctrl_new = CTRL_WRITE_KEY; + keywrap_mkmif_ctrl_we = 1'h1; + end + else + begin + mkm_write_op = 1'h1; + mkm_addr_new = MKM_STATUS_WORD; + mkm_addr_we = 1'h1; + mkm_write_data_new = wr_status; + mkm_write_data_we = 1'h1; + keywrap_mkmif_ctrl_new = CTRL_WAIT; + keywrap_mkmif_ctrl_we = 1'h1; + end end end + CTRL_WAIT: begin if (mkm_ready) |