diff options
| author |   Ralf Baechle <ralf@linux-mips.org> | 2014-04-16 01:59:03 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-05-21 11:12:51 +0200 |
| commit | e7e9cae5db78030abc73fd3daa93f7cc005177db (patch) | |
| tree | 1fc9338e381dcec645fc90842ae402e0d8fed3b2 /arch/mips/math-emu | |
| parent | MIPS: branch: New helpers to modify branch delay slot flag in struct pt_regs (diff) | |
| download | linux-dev-e7e9cae5db78030abc73fd3daa93f7cc005177db.tar.xz linux-dev-e7e9cae5db78030abc73fd3daa93f7cc005177db.zip | |
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')
| -rw-r--r-- | arch/mips/math-emu/cp1emu.c | 14 | ||||
| -rw-r--r-- | arch/mips/math-emu/dsemul.c | 2 |
2 files changed, 8 insertions, 8 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; } diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c index 7ea622ab8dad..cd047fe6d9ef 100644 --- a/arch/mips/math-emu/dsemul.c +++ b/arch/mips/math-emu/dsemul.c @@ -59,7 +59,7 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc) (ir == 0)) { /* NOP is easy */ regs->cp0_epc = cpc; - regs->cp0_cause &= ~CAUSEF_BD; + clear_delay_slot(regs); return 0; } #ifdef DSEMUL_TRACE |