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authorMarkos Chandras <markos.chandras@imgtec.com>2015-01-08 11:55:20 (GMT)
committerMarkos Chandras <markos.chandras@imgtec.com>2015-02-17 15:37:35 (GMT)
commit28d6f93d201d20ce47a9e8414655569a78f0353c (patch)
tree6e5465688702428258d063ab763a33f685d8dc1a /arch/mips/math-emu/cp1emu.c
parent69b9a2fd05a308b9b1e1f282f3b772491603c582 (diff)
downloadlinux-28d6f93d201d20ce47a9e8414655569a78f0353c.tar.xz
MIPS: Emulate the new MIPS R6 BNEZC and JIALC instructions
MIPS R6 uses the <R6 sdc2 opcode for the new BNEZC and JIALC instructions Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Diffstat (limited to 'arch/mips/math-emu/cp1emu.c')
-rw-r--r--arch/mips/math-emu/cp1emu.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index f00af84..6e7920b 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -686,6 +686,15 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
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:
case cop1_op: