[PATCH 1/3] powerpc/sstep: Introduce GETTYPE macro

[Ravi Bangoria]

Replace 'op->type & INSTR_TYPE_MASK' expression with GETTYPE(op->type)
macro.

Signed-off-by: Ravi Bangoria <ravi.bango...@linux.ibm.com>
---
 arch/powerpc/include/asm/sstep.h | 2 ++
 arch/powerpc/kernel/align.c      | 2 +-
 arch/powerpc/lib/sstep.c         | 6 +++---
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/include/asm/sstep.h b/arch/powerpc/include/asm/sstep.h
index ab9d849644d0..9a2dfee26f9f 100644
--- a/arch/powerpc/include/asm/sstep.h
+++ b/arch/powerpc/include/asm/sstep.h
@@ -97,6 +97,8 @@ enum instruction_type {
 #define SIZE(n)                ((n) << 12)
 #define GETSIZE(w)     ((w) >> 12)
 
+#define GETTYPE(t)     ((t) & INSTR_TYPE_MASK)
+
 #define MKOP(t, f, s)  ((t) | (f) | SIZE(s))
 
 struct instruction_op {
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c
index 3e6c0744c174..11550a3d1ac2 100644
--- a/arch/powerpc/kernel/align.c
+++ b/arch/powerpc/kernel/align.c
@@ -339,7 +339,7 @@ int fix_alignment(struct pt_regs *regs)
        if (r < 0)
                return -EINVAL;
 
-       type = op.type & INSTR_TYPE_MASK;
+       type = GETTYPE(op.type);
        if (!OP_IS_LOAD_STORE(type)) {
                if (op.type != CACHEOP + DCBZ)
                        return -EINVAL;
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index 34d68f1b1b40..db6bba259d91 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -2641,7 +2641,7 @@ void emulate_update_regs(struct pt_regs *regs, struct 
instruction_op *op)
        unsigned long next_pc;
 
        next_pc = truncate_if_32bit(regs->msr, regs->nip + 4);
-       switch (op->type & INSTR_TYPE_MASK) {
+       switch (GETTYPE(op->type)) {
        case COMPUTE:
                if (op->type & SETREG)
                        regs->gpr[op->reg] = op->val;
@@ -2739,7 +2739,7 @@ int emulate_loadstore(struct pt_regs *regs, struct 
instruction_op *op)
 
        err = 0;
        size = GETSIZE(op->type);
-       type = op->type & INSTR_TYPE_MASK;
+       type = GETTYPE(op->type);
        cross_endian = (regs->msr & MSR_LE) != (MSR_KERNEL & MSR_LE);
        ea = truncate_if_32bit(regs->msr, op->ea);
 
@@ -3001,7 +3001,7 @@ int emulate_step(struct pt_regs *regs, unsigned int instr)
        }
 
        err = 0;
-       type = op.type & INSTR_TYPE_MASK;
+       type = GETTYPE(op.type);
 
        if (OP_IS_LOAD_STORE(type)) {
                err = emulate_loadstore(regs, &op);
-- 
2.16.2