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MIPS: Emulate the new MIPS R6 BNEZC and JIALC instructions

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MIPS R6 uses the <R6 sdc2 opcode for the new BNEZC and JIALC instructions

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
This commit is contained in:
Markos Chandras
2015-01-08 11:55:20 +00:00
parent 69b9a2fd05
commit 28d6f93d20
3 changed files with 20 additions and 1 deletions
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9
arch/mips/math-emu/cp1emu.c
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@@ -685,6 +685,15 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
*contpc = regs->cp0_epc + dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
case bnezcjialc_op:
if (!cpu_has_mips_r6)
break;
if (!insn.i_format.rs)
regs->regs[31] = regs->cp0_epc + 4;
*contpc = regs->cp0_epc + dec_insn.pc_inc +
dec_insn.next_pc_inc;
return 1;
#endif
case cop0_op: