diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2014-04-16 03:59:03 +0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-05-21 13:12:51 +0400 |
| commit | e7e9cae5db78030abc73fd3daa93f7cc005177db (patch) | |
| tree | 1fc9338e381dcec645fc90842ae402e0d8fed3b2 /arch/mips/math-emu/cp1emu.c | |
| parent | 5a7ebbf89395392f16cb5dd342b7edd154ca2d11 (diff) | |
| download | linux-e7e9cae5db78030abc73fd3daa93f7cc005177db.tar.xz | |
MIPS: math-emu: Use helpers to manipulate CAUSEF_BD flag.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/math-emu/cp1emu.c')
| -rw-r--r-- | arch/mips/math-emu/cp1emu.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index d670e3973bf1..eabbbd9ff942 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -933,17 +933,17 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx, int pc_inc; /* XXX NEC Vr54xx bug workaround */ - if (xcp->cp0_cause & CAUSEF_BD) { + if (delay_slot(xcp)) { if (dec_insn.micro_mips_mode) { if (!mm_isBranchInstr(xcp, dec_insn, &contpc)) - xcp->cp0_cause &= ~CAUSEF_BD; + clear_delay_slot(xcp); } else { if (!isBranchInstr(xcp, dec_insn, &contpc)) - xcp->cp0_cause &= ~CAUSEF_BD; + clear_delay_slot(xcp); } } - if (xcp->cp0_cause & CAUSEF_BD) { + if (delay_slot(xcp)) { /* * The instruction to be emulated is in a branch delay slot * which means that we have to emulate the branch instruction @@ -1178,7 +1178,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx, case bc_op:{ int likely = 0; - if (xcp->cp0_cause & CAUSEF_BD) + if (delay_slot(xcp)) return SIGILL; #if __mips >= 4 @@ -1201,7 +1201,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx, return SIGILL; } - xcp->cp0_cause |= CAUSEF_BD; + set_delay_slot(xcp); if (cond) { /* branch taken: emulate dslot * instruction @@ -1321,7 +1321,7 @@ sigill: /* we did it !! */ xcp->cp0_epc = contpc; - xcp->cp0_cause &= ~CAUSEF_BD; + clear_delay_slot(xcp); return 0; } |