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| author | Markos Chandras <markos.chandras@imgtec.com> | 2014-11-26 18:43:11 +0300 |
|---|---|---|
| committer | Markos Chandras <markos.chandras@imgtec.com> | 2015-02-17 18:37:35 +0300 |
| commit | 84fef630127aa90ef547ddd018d3dc47b1e79a1e (patch) | |
| tree | 0331c9646f7c6b25aeb46e0fcece9046d420a1d1 /arch/mips/math-emu | |
| parent | 10d962d5342e84630b258dbd89668c359549b5b5 (diff) | |
| download | linux-84fef630127aa90ef547ddd018d3dc47b1e79a1e.tar.xz | |
MIPS: Emulate the new MIPS R6 BALC instruction
MIPS R6 uses the <R6 swc2 opcode for the new BALC instructions.
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Diffstat (limited to 'arch/mips/math-emu')
| -rw-r--r-- | arch/mips/math-emu/cp1emu.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index 0d8407b51470..d732100c99f0 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -671,6 +671,14 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, dec_insn.next_pc_inc; return 1; + case balc6_op: + if (!cpu_has_mips_r6) + break; + 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: |