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mldsa pcr signing #670

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merged 20 commits into from
Jan 6, 2025
Merged

mldsa pcr signing #670

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499ffc9
added pcr_mldsa_key to KV
mojtaba-bisheh Dec 10, 2024
2ccaed6
updated pcr signing hash with SHA512 mode
mojtaba-bisheh Dec 11, 2024
bf89b9a
updated ECC pcr smoke tests for SHA512
mojtaba-bisheh Dec 11, 2024
1ef4051
added mldsa pcr injection to services_tb
mojtaba-bisheh Dec 12, 2024
25df63e
merged with main
mojtaba-bisheh Dec 17, 2024
e94d7ee
Merge branch 'main' into mojtaba-mldsa-pcr
mojtaba-bisheh Dec 19, 2024
2ccb96d
re-enabled mldsa smoke tests
mojtaba-bisheh Dec 19, 2024
d59ab46
updated test vector
mojtaba-bisheh Dec 19, 2024
51bcfaa
updated reg files
mojtaba-bisheh Dec 19, 2024
22c62e2
wait for mldsa zeroize
mojtaba-bisheh Dec 23, 2024
1385ac4
resolved conflict
mojtaba-bisheh Dec 23, 2024
4c7d7ee
fixed typo
mojtaba-bisheh Dec 23, 2024
38a0dfc
updated pv_sign_and_hash smoke test for mldsa
mojtaba-bisheh Jan 2, 2025
d179d3d
fixed offset rollover bug
mojtaba-bisheh Jan 2, 2025
03ecf97
updated mldsa submodule to include pcr
mojtaba-bisheh Jan 2, 2025
914bb38
MICROSOFT AUTOMATED PIPELINE: Stamp 'mojtaba-mldsa-pcr' with updated …
calebofearth Jan 3, 2025
675d048
reduced PCR bus based on requried key size
mojtaba-bisheh Jan 6, 2025
e48d3a0
Merge branch 'mojtaba-mldsa-pcr' of ssh://github.com/chipsalliance/ca…
mojtaba-bisheh Jan 6, 2025
561b549
fixed port mismatch
mojtaba-bisheh Jan 6, 2025
8ac92a7
MICROSOFT AUTOMATED PIPELINE: Stamp 'mojtaba-mldsa-pcr' with updated …
mojtaba-bisheh Jan 6, 2025
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2 changes: 1 addition & 1 deletion .github/workflow_metadata/pr_hash
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@@ -1 +1 @@
c8e06113e37e54e9876411db9113dde467573ddcdfa04c21e4aabed77398465566c22fc6db80017342843e5b55280e45
7c0a50d75a42e1d849cc58053c0ab8a1be77e4cabd7a0b7003cd2b349fd5302ee61b6421fc89b916c5829d4d04c6f513
2 changes: 1 addition & 1 deletion .github/workflow_metadata/pr_timestamp
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@@ -1 +1 @@
1734986966
1736184745
2 changes: 1 addition & 1 deletion src/ecc/formal/properties/fv_ecc_dsa_ctrl.sv
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Expand Up @@ -693,7 +693,7 @@ module fv_ecc_dsa_ctrl_m
hwif_out.ECC_CTRL.PCR_SIGN.value
|->
hwif_in.ECC_MSG[word].MSG.we == !(fv_zeroize) &&
hwif_in.ECC_PRIVKEY_IN[word].PRIVKEY_IN.next == pcr_signing_data.pcr_signing_privkey[word] &&
hwif_in.ECC_PRIVKEY_IN[word].PRIVKEY_IN.next == pcr_signing_data.pcr_ecc_signing_privkey[word] &&
hwif_in.ECC_PRIVKEY_IN[word].PRIVKEY_IN.we == !(fv_zeroize)
;
endproperty
Expand Down
2 changes: 1 addition & 1 deletion src/ecc/rtl/ecc_dsa_ctrl.sv
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Expand Up @@ -357,7 +357,7 @@ module ecc_dsa_ctrl
//don't store the private key generated in sw accessible register if it's going to keyvault
privkey_reg[dword] = hwif_out.ECC_PRIVKEY_IN[11-dword].PRIVKEY_IN.value;
hwif_in.ECC_PRIVKEY_IN[dword].PRIVKEY_IN.we = (pcr_sign_mode | (kv_privkey_write_en & (kv_privkey_write_offset == dword))) & !zeroize_reg;
hwif_in.ECC_PRIVKEY_IN[dword].PRIVKEY_IN.next = pcr_sign_mode ? pcr_signing_data.pcr_signing_privkey[dword] :
hwif_in.ECC_PRIVKEY_IN[dword].PRIVKEY_IN.next = pcr_sign_mode ? pcr_signing_data.pcr_ecc_signing_privkey[dword] :
kv_privkey_write_en ? kv_privkey_write_data :
read_reg[11-dword];
hwif_in.ECC_PRIVKEY_IN[dword].PRIVKEY_IN.hwclr = zeroize_reg | kv_key_data_present_reset | (kv_privkey_error == KV_READ_FAIL);
Expand Down
10 changes: 10 additions & 0 deletions src/integration/rtl/caliptra_reg.h
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Expand Up @@ -4272,6 +4272,14 @@
#define SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_10 (0x660)
#define CLP_SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_11 (0x10020664)
#define SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_11 (0x664)
#define CLP_SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_12 (0x10020668)
#define SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_12 (0x668)
#define CLP_SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_13 (0x1002066c)
#define SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_13 (0x66c)
#define CLP_SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_14 (0x10020670)
#define SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_14 (0x670)
#define CLP_SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_15 (0x10020674)
#define SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_15 (0x674)
#define CLP_SHA512_REG_INTR_BLOCK_RF_START (0x10020800)
#define CLP_SHA512_REG_INTR_BLOCK_RF_GLOBAL_INTR_EN_R (0x10020800)
#define SHA512_REG_INTR_BLOCK_RF_GLOBAL_INTR_EN_R (0x800)
Expand Down Expand Up @@ -4542,6 +4550,8 @@
#define MLDSA_REG_MLDSA_CTRL_CTRL_MASK (0x7)
#define MLDSA_REG_MLDSA_CTRL_ZEROIZE_LOW (3)
#define MLDSA_REG_MLDSA_CTRL_ZEROIZE_MASK (0x8)
#define MLDSA_REG_MLDSA_CTRL_PCR_SIGN_LOW (4)
#define MLDSA_REG_MLDSA_CTRL_PCR_SIGN_MASK (0x10)
#define CLP_MLDSA_REG_MLDSA_STATUS (0x10030014)
#define MLDSA_REG_MLDSA_STATUS (0x14)
#define MLDSA_REG_MLDSA_STATUS_READY_LOW (0)
Expand Down
10 changes: 10 additions & 0 deletions src/integration/rtl/caliptra_reg_defines.svh
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Expand Up @@ -4272,6 +4272,14 @@
`define SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_10 (32'h660)
`define CLP_SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_11 (32'h10020664)
`define SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_11 (32'h664)
`define CLP_SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_12 (32'h10020668)
`define SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_12 (32'h668)
`define CLP_SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_13 (32'h1002066c)
`define SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_13 (32'h66c)
`define CLP_SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_14 (32'h10020670)
`define SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_14 (32'h670)
`define CLP_SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_15 (32'h10020674)
`define SHA512_REG_SHA512_GEN_PCR_HASH_DIGEST_15 (32'h674)
`define CLP_SHA512_REG_INTR_BLOCK_RF_START (32'h10020800)
`define CLP_SHA512_REG_INTR_BLOCK_RF_GLOBAL_INTR_EN_R (32'h10020800)
`define SHA512_REG_INTR_BLOCK_RF_GLOBAL_INTR_EN_R (32'h800)
Expand Down Expand Up @@ -4542,6 +4550,8 @@
`define MLDSA_REG_MLDSA_CTRL_CTRL_MASK (32'h7)
`define MLDSA_REG_MLDSA_CTRL_ZEROIZE_LOW (3)
`define MLDSA_REG_MLDSA_CTRL_ZEROIZE_MASK (32'h8)
`define MLDSA_REG_MLDSA_CTRL_PCR_SIGN_LOW (4)
`define MLDSA_REG_MLDSA_CTRL_PCR_SIGN_MASK (32'h10)
`define CLP_MLDSA_REG_MLDSA_STATUS (32'h10030014)
`define MLDSA_REG_MLDSA_STATUS (32'h14)
`define MLDSA_REG_MLDSA_STATUS_READY_LOW (0)
Expand Down
36 changes: 19 additions & 17 deletions src/integration/rtl/caliptra_top.sv
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Expand Up @@ -973,23 +973,24 @@ mldsa_top #(
.AHB_DATA_WIDTH(`CALIPTRA_AHB_HDATA_SIZE),
.AHB_ADDR_WIDTH(`CALIPTRA_SLAVE_ADDR_WIDTH(`CALIPTRA_SLAVE_SEL_MLDSA))
) mldsa (
.clk (clk_cg),
.rst_b (cptra_noncore_rst_b),
.clk (clk_cg),
.rst_b (cptra_noncore_rst_b),
//TODO: pwrgood
.haddr_i (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].haddr[`CALIPTRA_SLAVE_ADDR_WIDTH(`CALIPTRA_SLAVE_SEL_MLDSA)-1:0]),
.hwdata_i (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hwdata),
.hsel_i (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hsel),
.hwrite_i (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hwrite),
.hready_i (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hready),
.htrans_i (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].htrans),
.hsize_i (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hsize),
.hresp_o (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hresp),
.hreadyout_o (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hreadyout),
.hrdata_o (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hrdata),
.kv_read (kv_read[2]),
.kv_rd_resp (kv_rd_resp[2]),
.error_intr (mldsa_error_intr),
.notif_intr (mldsa_notif_intr)
.haddr_i (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].haddr[`CALIPTRA_SLAVE_ADDR_WIDTH(`CALIPTRA_SLAVE_SEL_MLDSA)-1:0]),
.hwdata_i (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hwdata),
.hsel_i (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hsel),
.hwrite_i (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hwrite),
.hready_i (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hready),
.htrans_i (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].htrans),
.hsize_i (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hsize),
.hresp_o (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hresp),
.hreadyout_o (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hreadyout),
.hrdata_o (responder_inst[`CALIPTRA_SLAVE_SEL_MLDSA].hrdata),
.kv_read (kv_read[2]),
.kv_rd_resp (kv_rd_resp[2]),
.pcr_signing_data (pcr_signing_data),
.error_intr (mldsa_error_intr),
.notif_intr (mldsa_notif_intr)
);

aes_clp_wrapper #(
Expand Down Expand Up @@ -1052,7 +1053,8 @@ key_vault1
.kv_write (kv_write),
.kv_rd_resp (kv_rd_resp),
.kv_wr_resp (kv_wr_resp),
.pcr_signing_key (pcr_signing_data.pcr_signing_privkey)
.pcr_ecc_signing_key (pcr_signing_data.pcr_ecc_signing_privkey),
.pcr_mldsa_signing_key (pcr_signing_data.pcr_mldsa_signing_seed)
);

pv #(
Expand Down
43 changes: 27 additions & 16 deletions src/integration/tb/caliptra_top_tb_services.sv
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Expand Up @@ -444,21 +444,29 @@ module caliptra_top_tb_services
//inject privkey value to key reg
else if((WriteData[7:0] == 8'h90) && mailbox_write) begin
inject_ecc_privkey <= 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_SIGNING].dest_valid.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_SIGNING].dest_valid.next = 5'b1000;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_SIGNING].last_dword.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_SIGNING].last_dword.next = 'd11;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_ENTRY[KV_ENTRY_FOR_SIGNING][dword_i].data.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_ENTRY[KV_ENTRY_FOR_SIGNING][dword_i].data.next = ecc_privkey_tb[dword_i][31 : 0];
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_ECC_SIGNING].dest_valid.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_ECC_SIGNING].dest_valid.next = 5'b1000;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_ECC_SIGNING].last_dword.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_ECC_SIGNING].last_dword.next = 'd11;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_ENTRY[KV_ENTRY_FOR_ECC_SIGNING][dword_i].data.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_ENTRY[KV_ENTRY_FOR_ECC_SIGNING][dword_i].data.next = ecc_privkey_tb[dword_i][31 : 0];

inject_mldsa_seed <= 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_MLDSA_SIGNING].dest_valid.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_MLDSA_SIGNING].dest_valid.next = 5'b100;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_MLDSA_SIGNING].last_dword.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_MLDSA_SIGNING].last_dword.next = 'd7;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_ENTRY[KV_ENTRY_FOR_MLDSA_SIGNING][dword_i].data.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_ENTRY[KV_ENTRY_FOR_MLDSA_SIGNING][dword_i].data.next = mldsa_seed_tb[dword_i][31 : 0];
end
else if((WriteData[7:0] == 8'h91) && mailbox_write) begin
inject_ecc_privkey <= 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_SIGNING].dest_valid.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_SIGNING].dest_valid.next = 5'b1000;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_SIGNING].last_dword.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_SIGNING].last_dword.next = 'd11;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_ENTRY[KV_ENTRY_FOR_SIGNING][dword_i].data.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_ENTRY[KV_ENTRY_FOR_SIGNING][dword_i].data.next = ecc_privkey_random[dword_i][31 : 0];
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_ECC_SIGNING].dest_valid.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_ECC_SIGNING].dest_valid.next = 5'b1000;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_ECC_SIGNING].last_dword.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_CTRL[KV_ENTRY_FOR_ECC_SIGNING].last_dword.next = 'd11;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_ENTRY[KV_ENTRY_FOR_ECC_SIGNING][dword_i].data.we = 1'b1;
force caliptra_top_dut.key_vault1.kv_reg_hwif_in.KEY_ENTRY[KV_ENTRY_FOR_ECC_SIGNING][dword_i].data.next = ecc_privkey_random[dword_i][31 : 0];
end
//inject valid hmac_key dest and zero hmac_key value to key reg
else if(((WriteData[7:0]) == 8'ha8) && mailbox_write) begin
Expand Down Expand Up @@ -1072,17 +1080,20 @@ endgenerate //IV_NO
end
endtask

logic [0:11][31:0] ecc_msg_tb = 384'hC8F518D4F3AA1BD46ED56C1C3C9E16FB800AF504DB98843548C5F623EE115F73D4C62ABC06D303B5D90D9A175087290D;
logic [0:15][31:0] pcr_to_be_signed = 512'h_C8F518D4F3AA1BD46ED56C1C3C9E16FB800AF504DB98843548C5F623EE115F73D4C62ABC06D303B5D90D9A175087290D_16e6009644e2a5f2c41fed22e703fb78;
logic [0:15][31:0] ecc_random_msg;
always_comb ecc_random_msg = {ecc_test_vector.hashed_msg, 128'h00000000000000000000000000000000};

generate
for (genvar dword = 0; dword < 12; dword++) begin
for (genvar dword = 0; dword < 16; dword++) begin
always@(posedge clk) begin
if((WriteData[7:0] == 8'h90) && mailbox_write) begin
force caliptra_top_dut.sha512.sha512_inst.pcr_sign_we = 1'b1;
force caliptra_top_dut.sha512.sha512_inst.pcr_sign[dword] = ecc_msg_tb[11-dword][31 : 0];
force caliptra_top_dut.sha512.sha512_inst.pcr_sign[dword] = pcr_to_be_signed[15-dword][31 : 0];
end
else if((WriteData[7:0] == 8'h91) && mailbox_write) begin
force caliptra_top_dut.sha512.sha512_inst.pcr_sign_we = 1'b1;
force caliptra_top_dut.sha512.sha512_inst.pcr_sign[dword] = ecc_test_vector.hashed_msg[11-dword][31 : 0];
force caliptra_top_dut.sha512.sha512_inst.pcr_sign[dword] = ecc_random_msg[15-dword][31 : 0];
end
else begin
release caliptra_top_dut.sha512.sha512_inst.pcr_sign_we;
Expand Down
5 changes: 5 additions & 0 deletions src/integration/test_suites/libs/mldsa/mldsa.c
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Expand Up @@ -39,6 +39,11 @@ void wait_for_mldsa_intr(){
void mldsa_zeroize(){
printf("MLDSA zeroize flow.\n");
lsu_write_32(CLP_MLDSA_REG_MLDSA_CTRL, (1 << MLDSA_REG_MLDSA_CTRL_ZEROIZE_LOW) & MLDSA_REG_MLDSA_CTRL_ZEROIZE_MASK);

// wait for MLDSA to be ready
printf("Waiting for mldsa status ready\n");
while((lsu_read_32(CLP_MLDSA_REG_MLDSA_STATUS) & MLDSA_REG_MLDSA_STATUS_READY_MASK) == 0);

}


Expand Down
15 changes: 14 additions & 1 deletion src/integration/test_suites/pv_hash_and_sign/caliptra_isr.h
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Expand Up @@ -236,7 +236,20 @@ inline void service_sha512_acc_notif_intr() {
}

inline void service_mldsa_error_intr() {return;}
inline void service_mldsa_notif_intr() {return;}
inline void service_mldsa_notif_intr() {
uint32_t * reg = (uint32_t *) (CLP_MLDSA_REG_INTR_BLOCK_RF_NOTIF_INTERNAL_INTR_R);
uint32_t sts = *reg;
/* Write 1 to Clear the pending interrupt */
if (sts & MLDSA_REG_INTR_BLOCK_RF_NOTIF_INTERNAL_INTR_R_NOTIF_CMD_DONE_STS_MASK) {
*reg = MLDSA_REG_INTR_BLOCK_RF_NOTIF_INTERNAL_INTR_R_NOTIF_CMD_DONE_STS_MASK;
cptra_intr_rcv.mldsa_notif |= MLDSA_REG_INTR_BLOCK_RF_NOTIF_INTERNAL_INTR_R_NOTIF_CMD_DONE_STS_MASK;
}
if (sts == 0) {
VPRINTF(ERROR,"bad mldsa_notif_intr sts:%x\n", sts);
SEND_STDOUT_CTRL(0x1);
while(1);
}
}
inline void service_axi_dma_error_intr() {return;}
inline void service_axi_dma_notif_intr() {return;}

Expand Down
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