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Add names for AES instructions #32

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Jul 2, 2024
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Add names for AES instructions #32

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11 changes: 11 additions & 0 deletions model/riscv_insts_zkn.sail
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,7 @@ function clause execute (SHA256SUM1(rs1, rd)) = {
* ----------------------------------------------------------------------
*/

$[name "AES middle round encrypt (RV32)"]
union clause ast = AES32ESMI : (bits(2), regidx, regidx, regidx)

mapping clause encdec = AES32ESMI (bs, rs2, rs1, rd) if extension("Zkne") & sizeof(xlen) == 32
Expand All @@ -95,6 +96,7 @@ function clause execute (AES32ESMI (bs, rs2, rs1, rd)) = {
RETIRE_SUCCESS
}

$[name "AES final round encrypt (RV32)"]
union clause ast = AES32ESI : (bits(2), regidx, regidx, regidx)

mapping clause encdec = AES32ESI (bs, rs2, rs1, rd) if extension("Zkne") & sizeof(xlen) == 32
Expand All @@ -117,6 +119,7 @@ function clause execute (AES32ESI (bs, rs2, rs1, rd)) = {
* ----------------------------------------------------------------------
*/

$[name "AES middle round decrypt (RV32)"]
union clause ast = AES32DSMI : (bits(2), regidx, regidx, regidx)

mapping clause encdec = AES32DSMI (bs, rs2, rs1, rd) if extension("Zknd") & sizeof(xlen) == 32
Expand All @@ -135,6 +138,7 @@ function clause execute (AES32DSMI (bs, rs2, rs1, rd)) = {
RETIRE_SUCCESS
}

$[name "AES final round decrypt (RV32)"]
union clause ast = AES32DSI : (bits(2), regidx, regidx, regidx)

mapping clause encdec = AES32DSI (bs, rs2, rs1, rd) if extension("Zknd") & sizeof(xlen) == 32
Expand Down Expand Up @@ -247,12 +251,19 @@ function clause execute (SHA512SUM1R(rs2, rs1, rd)) = {
* ----------------------------------------------------------------------
*/

$[name "AES Key Schedule Instruction 1 (RV64)"]
union clause ast = AES64KS1I : (bits(4), regidx, regidx)
$[name "AES Key Schedule Instruction 2 (RV64)"]
union clause ast = AES64KS2 : (regidx, regidx, regidx)
$[name "AES Decrypt KeySchedule MixColumns (RV64)"]
union clause ast = AES64IM : (regidx, regidx)
$[name "AES encrypt middle round instruction (RV64)"]
union clause ast = AES64ESM : (regidx, regidx, regidx)
$[name "AES encrypt final round instruction (RV64)"]
union clause ast = AES64ES : (regidx, regidx, regidx)
$[name "AES decrypt middle round (RV64)"]
union clause ast = AES64DSM : (regidx, regidx, regidx)
$[name "AES decrypt final round (RV64)"]
union clause ast = AES64DS : (regidx, regidx, regidx)

mapping clause encdec = AES64KS1I (rnum, rs1, rd) if (extension("Zkne") | extension("Zknd")) & (sizeof(xlen) == 64) & (rnum <_u 0xB)
Expand Down