openclaw/adsp219x-re
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Add Type 8 decode: Compute with Dreg move

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This commit is contained in:
Dr. Christian Giessen
2026-04-22 19:30:15 +00:00
parent 8e14238f90
commit d08d32203f
1 changed files with 18 additions and 0 deletions
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18
r2plugin/asm_adsp219x.c
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@@ -113,6 +113,24 @@ decode (RArchSession *as, RAnalOp *op, RAnalOpMask mask)
return true; return true;
} }
/* Type 8: Compute | Dreg1 <- Dreg2 (00101Z) */
/* Bits 23-18 = 001010 (Z=0) or 001011 (Z=1) */
if ((ins >> 18) == 0x0A || (ins >> 18) == 0x0B)
{
ut32 z = (ins >> 18) & 1;
ut32 amf = (ins >> 12) & 0x1F;
const char *f = (amf < 16) ? amf_mac[amf] : amf_alu[amf-16];
/* DDREG = bits 8-6 (dest), SDREG = bits 5-0 (src, masked) */
ut32 ddreg = (ins >> 6) & 0x7;
ut32 sdreg = ins & 0x3F;
/* For NONE=ALU case: SDREG = 0x2A (101010) */
if (sdreg == 0x2A)
op->mnemonic = r_str_newf ("NONE = %s", f);
else
op->mnemonic = r_str_newf ("%s, %s = %s", f, xop_alu[ddreg], reg0[sdreg & 0xF]);
return true;
}
/* Type 6/7/IO/System (010xxx / 011xxx) */ /* Type 6/7/IO/System (010xxx / 011xxx) */
if (b23_22 == 1) if (b23_22 == 1)
{ {