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Diffstat (limited to 'src/arch/arm/isa/formats/crypto64.isa')
-rw-r--r--src/arch/arm/isa/formats/crypto64.isa26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/arch/arm/isa/formats/crypto64.isa b/src/arch/arm/isa/formats/crypto64.isa
index 8975c2d93..d155b0421 100644
--- a/src/arch/arm/isa/formats/crypto64.isa
+++ b/src/arch/arm/isa/formats/crypto64.isa
@@ -40,6 +40,9 @@
let {{
header_output = '''
StaticInstPtr
+ decodeCryptoAES(ExtMachInst machInst);
+
+ StaticInstPtr
decodeCryptoThreeRegSHA(ExtMachInst machInst);
StaticInstPtr
@@ -49,6 +52,29 @@ let {{
decoder_output = '''
StaticInstPtr
+ decodeCryptoAES(ExtMachInst machInst)
+ {
+ const auto opcode = bits(machInst, 16, 12);
+ const auto size = bits(machInst, 23, 22);
+
+ IntRegIndex rd = (IntRegIndex) (uint8_t) bits(machInst, 4, 0);
+ IntRegIndex rn = (IntRegIndex) (uint8_t) bits(machInst, 9, 5);
+
+ if (size) {
+ // UNALLOCATED
+ return new Unknown64(machInst);
+ } else {
+ switch (opcode) {
+ case 0x4: return new AESE64(machInst, rd, rd, rn);
+ case 0x5: return new AESD64(machInst, rd, rd, rn);
+ case 0x6: return new AESMC64(machInst, rd, rn);
+ case 0x7: return new AESIMC64(machInst, rd, rn);
+ default: return new Unknown64(machInst);
+ }
+ }
+ }
+
+ StaticInstPtr
decodeCryptoTwoRegSHA(ExtMachInst machInst)
{
const auto opcode = bits(machInst, 16, 12);