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zcash-fpga
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Update to timeout value

This commit is contained in:
bsdevlin 2019-04-11 17:06:57 -04:00
parent 4f6ce27d32
commit ca899c7d17
1 changed files with 11 additions and 10 deletions
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21
zcash_fpga/src/rtl/secp256k1/secp256k1_top.sv
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@ -34,16 +34,16 @@ logic pt_mult1_in_val, pt_mult1_in_rdy, pt_mult1_out_rdy, pt_mult1_out_val, pt_m
// Global timeout in case we get stuck somewhere, we send a failed message back to host
logic [(USE_ENDOMORPH == "YES" ? 14 : 15):0] timeout;
// Controlling state machine
typedef enum {IDLE,
GET_INDEX,
VERIFY_SECP256K1_SIG_PARSE,
CALC_S_INV,
CALC_U1_U2,
CALC_X,
CALC_X_AFFINE,
CHECK_IN_JB,
IGNORE,
FINISHED} secp256k1_state_t;
typedef enum {IDLE = 0,
GET_INDEX = 1,
VERIFY_SECP256K1_SIG_PARSE = 2,
CALC_S_INV = 3,
CALC_U1_U2 = 4,
CALC_X = 5,
CALC_X_AFFINE = 6,
CHECK_IN_JB = 7,
IGNORE = 8,
FINISHED = 9} secp256k1_state_t;
(* mark_debug = "true" *) secp256k1_state_t secp256k1_state;
header_t header, header_l;
@ -389,6 +389,7 @@ always_ff @ (posedge i_clk) begin
// Something went wrong - send a message back to host
if (&timeout) begin
secp256k1_ver.TIMEOUT_FAIL <= 1;
timeout <= timeout;
end
if (secp256k1_ver.TIMEOUT_FAIL) begin
secp256k1_ver.TIMEOUT_FAIL <= 0;