[PATCH v4 08/16] powerpc: Use an accessor for word instructions
Balamuruhan S
bala24 at linux.ibm.com
Tue Mar 24 17:22:59 AEDT 2020
On Tue, 2020-03-24 at 14:18 +1100, Jordan Niethe wrote:
> On Mon, Mar 23, 2020 at 10:13 PM Balamuruhan S <bala24 at linux.ibm.com> wrote:
> > On Fri, 2020-03-20 at 16:18 +1100, Jordan Niethe wrote:
> > > In preparation for prefixed instructions where all instructions are no
> > > longer words, use an accessor for getting a word instruction as a u32
> > > from the instruction data type.
> > >
> > > Signed-off-by: Jordan Niethe <jniethe5 at gmail.com>
> > > ---
> > > v4: New to series
> > > ---
> > > arch/powerpc/kernel/align.c | 2 +-
> > > arch/powerpc/kernel/kprobes.c | 2 +-
> > > arch/powerpc/kernel/trace/ftrace.c | 16 +-
> > > arch/powerpc/lib/code-patching.c | 2 +-
> > > arch/powerpc/lib/feature-fixups.c | 4 +-
> > > arch/powerpc/lib/sstep.c | 270 ++++++++++++++-------------
> > > arch/powerpc/lib/test_emulate_step.c | 4 +-
> > > arch/powerpc/xmon/xmon.c | 4 +-
> > > 8 files changed, 153 insertions(+), 151 deletions(-)
> > >
> > > diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c
> > > index 77c49dfdc1b4..b246ca124931 100644
> > > --- a/arch/powerpc/kernel/align.c
> > > +++ b/arch/powerpc/kernel/align.c
> > > @@ -309,7 +309,7 @@ int fix_alignment(struct pt_regs *regs)
> > > /* We don't handle PPC little-endian any more... */
> > > if (cpu_has_feature(CPU_FTR_PPC_LE))
> > > return -EIO;
> > > - instr = PPC_INST(swab32(instr));
> > > + instr = PPC_INST(swab32(ppc_inst_word(instr)));
> > > }
> > >
> > > #ifdef CONFIG_SPE
> > > diff --git a/arch/powerpc/kernel/kprobes.c
> > > b/arch/powerpc/kernel/kprobes.c
> > > index 4c2b656615a6..0c600b6e4ead 100644
> > > --- a/arch/powerpc/kernel/kprobes.c
> > > +++ b/arch/powerpc/kernel/kprobes.c
> > > @@ -242,7 +242,7 @@ static int try_to_emulate(struct kprobe *p, struct
> > > pt_regs *regs)
> > > * So, we should never get here... but, its still
> > > * good to catch them, just in case...
> > > */
> > > - printk("Can't step on instruction %x\n", insn);
> > > + printk("Can't step on instruction %x\n",
> > > ppc_inst_word(insn));
> > > BUG();
> > > } else {
> > > /*
> > > diff --git a/arch/powerpc/kernel/trace/ftrace.c
> > > b/arch/powerpc/kernel/trace/ftrace.c
> > > index b3645b664819..7614a9f537fd 100644
> > > --- a/arch/powerpc/kernel/trace/ftrace.c
> > > +++ b/arch/powerpc/kernel/trace/ftrace.c
> > > @@ -74,7 +74,7 @@ ftrace_modify_code(unsigned long ip, ppc_inst old,
> > > ppc_inst
> > > new)
> > > /* Make sure it is what we expect it to be */
> > > if (!ppc_inst_equal(replaced, old)) {
> > > pr_err("%p: replaced (%#x) != old (%#x)",
> > > - (void *)ip, replaced, old);
> > > + (void *)ip, ppc_inst_word(replaced), ppc_inst_word(old));
> > > return -EINVAL;
> > > }
> > >
> > > @@ -136,7 +136,7 @@ __ftrace_make_nop(struct module *mod,
> > >
> > > /* Make sure that that this is still a 24bit jump */
> > > if (!is_bl_op(op)) {
> > > - pr_err("Not expected bl: opcode is %x\n", op);
> > > + pr_err("Not expected bl: opcode is %x\n",
> > > ppc_inst_word(op));
> > > return -EINVAL;
> > > }
> > >
> > > @@ -171,7 +171,7 @@ __ftrace_make_nop(struct module *mod,
> > > /* We expect either a mflr r0, or a std r0, LRSAVE(r1) */
> > > if (!ppc_inst_equal(op, PPC_INST(PPC_INST_MFLR)) &&
> > > !ppc_inst_equal(op, PPC_INST(PPC_INST_STD_LR))) {
> > > - pr_err("Unexpected instruction %08x around bl _mcount\n",
> > > op);
> > > + pr_err("Unexpected instruction %08x around bl _mcount\n",
> > > ppc_inst_word(op));
> > > return -EINVAL;
> > > }
> > > #else
> > > @@ -201,7 +201,7 @@ __ftrace_make_nop(struct module *mod,
> > > }
> > >
> > > if (!ppc_inst_equal(op, PPC_INST(PPC_INST_LD_TOC))) {
> > > - pr_err("Expected %08x found %08x\n", PPC_INST_LD_TOC, op);
> > > + pr_err("Expected %08x found %08x\n", PPC_INST_LD_TOC,
> > > ppc_inst_word(op));
> > > return -EINVAL;
> > > }
> > > #endif /* CONFIG_MPROFILE_KERNEL */
> > > @@ -401,7 +401,7 @@ static int __ftrace_make_nop_kernel(struct dyn_ftrace
> > > *rec, unsigned long addr)
> > >
> > > /* Make sure that that this is still a 24bit jump */
> > > if (!is_bl_op(op)) {
> > > - pr_err("Not expected bl: opcode is %x\n", op);
> > > + pr_err("Not expected bl: opcode is %x\n",
> > > ppc_inst_word(op));
> > > return -EINVAL;
> > > }
> > >
> > > @@ -525,7 +525,7 @@ __ftrace_make_call(struct dyn_ftrace *rec, unsigned
> > > long
> > > addr)
> > >
> > > if (!expected_nop_sequence(ip, op[0], op[1])) {
> > > pr_err("Unexpected call sequence at %p: %x %x\n",
> > > - ip, op[0], op[1]);
> > > + ip, ppc_inst_word(op[0]), ppc_inst_word(op[1]));
> > > return -EINVAL;
> > > }
> > >
> > > @@ -644,7 +644,7 @@ static int __ftrace_make_call_kernel(struct
> > > dyn_ftrace
> > > *rec, unsigned long addr)
> > > }
> > >
> > > if (!ppc_inst_equal(op, PPC_INST(PPC_INST_NOP))) {
> > > - pr_err("Unexpected call sequence at %p: %x\n", ip, op);
> > > + pr_err("Unexpected call sequence at %p: %x\n", ip,
> > > ppc_inst_word(op));
> > > return -EINVAL;
> > > }
> > >
> > > @@ -723,7 +723,7 @@ __ftrace_modify_call(struct dyn_ftrace *rec, unsigned
> > > long old_addr,
> > >
> > > /* Make sure that that this is still a 24bit jump */
> > > if (!is_bl_op(op)) {
> > > - pr_err("Not expected bl: opcode is %x\n", op);
> > > + pr_err("Not expected bl: opcode is %x\n",
> > > ppc_inst_word(op));
> > > return -EINVAL;
> > > }
> > >
> > > diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-
> > > patching.c
> > > index ec3abe1a6927..849eee63df3d 100644
> > > --- a/arch/powerpc/lib/code-patching.c
> > > +++ b/arch/powerpc/lib/code-patching.c
> > > @@ -233,7 +233,7 @@ bool is_conditional_branch(ppc_inst instr)
> > > if (opcode == 16) /* bc, bca, bcl, bcla */
> > > return true;
> > > if (opcode == 19) {
> > > - switch ((instr >> 1) & 0x3ff) {
> > > + switch ((ppc_inst_word(instr) >> 1) & 0x3ff) {
> > > case 16: /* bclr, bclrl */
> > > case 528: /* bcctr, bcctrl */
> > > case 560: /* bctar, bctarl */
> > > diff --git a/arch/powerpc/lib/feature-fixups.c
> > > b/arch/powerpc/lib/feature-
> > > fixups.c
> > > index 552106d1f64a..fe8ec099aa96 100644
> > > --- a/arch/powerpc/lib/feature-fixups.c
> > > +++ b/arch/powerpc/lib/feature-fixups.c
> > > @@ -54,8 +54,8 @@ static int patch_alt_instruction(unsigned int *src,
> > > unsigned int *dest,
> > >
> > > /* Branch within the section doesn't need translating */
> > > if (target < alt_start || target > alt_end) {
> > > - instr = translate_branch(dest, src);
> > > - if (ppc_inst_null(instr))
> > > + instr = ppc_inst_word(translate_branch((ppc_inst
> > > *)dest, (ppc_inst *)src));
> > > + if (!instr)
> > > return 1;
> > > }
> > > }
> > > diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
> > > index 1d9c766a89fe..bae878a83fa5 100644
> > > --- a/arch/powerpc/lib/sstep.c
> > > +++ b/arch/powerpc/lib/sstep.c
> > > @@ -1169,26 +1169,28 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > unsigned long int imm;
> > > unsigned long int val, val2;
> > > unsigned int mb, me, sh;
> > > + unsigned int word;
> > > long ival;
> > >
> > > + word = ppc_inst_word(instr);
> > > op->type = COMPUTE;
> > >
> > > - opcode = instr >> 26;
> > > + opcode = word >> 26;
> > > switch (opcode) {
> > > case 16: /* bc */
> > > op->type = BRANCH;
> > > - imm = (signed short)(instr & 0xfffc);
> > > - if ((instr & 2) == 0)
> > > + imm = (signed short)(word & 0xfffc);
> > > + if ((word & 2) == 0)
> > > imm += regs->nip;
> > > op->val = truncate_if_32bit(regs->msr, imm);
> > > - if (instr & 1)
> > > + if (word & 1)
> > > op->type |= SETLK;
> > > - if (branch_taken(instr, regs, op))
> > > + if (branch_taken(word, regs, op))
> > > op->type |= BRTAKEN;
> > > return 1;
> > > #ifdef CONFIG_PPC64
> > > case 17: /* sc */
> > > - if ((instr & 0xfe2) == 2)
> > > + if ((word & 0xfe2) == 2)
> > > op->type = SYSCALL;
> > > else
> > > op->type = UNKNOWN;
> > > @@ -1196,21 +1198,21 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > #endif
> > > case 18: /* b */
> > > op->type = BRANCH | BRTAKEN;
> > > - imm = instr & 0x03fffffc;
> > > + imm = word & 0x03fffffc;
> > > if (imm & 0x02000000)
> > > imm -= 0x04000000;
> > > - if ((instr & 2) == 0)
> > > + if ((word & 2) == 0)
> > > imm += regs->nip;
> > > op->val = truncate_if_32bit(regs->msr, imm);
> > > - if (instr & 1)
> > > + if (word & 1)
> > > op->type |= SETLK;
> > > return 1;
> > > case 19:
> > > - switch ((instr >> 1) & 0x3ff) {
> > > + switch ((word >> 1) & 0x3ff) {
> > > case 0: /* mcrf */
> > > op->type = COMPUTE + SETCC;
> > > - rd = 7 - ((instr >> 23) & 0x7);
> > > - ra = 7 - ((instr >> 18) & 0x7);
> > > + rd = 7 - ((word >> 23) & 0x7);
> > > + ra = 7 - ((word >> 18) & 0x7);
> > > rd *= 4;
> > > ra *= 4;
> > > val = (regs->ccr >> ra) & 0xf;
> > > @@ -1220,11 +1222,11 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > case 16: /* bclr */
> > > case 528: /* bcctr */
> > > op->type = BRANCH;
> > > - imm = (instr & 0x400)? regs->ctr: regs->link;
> > > + imm = (word & 0x400)? regs->ctr: regs->link;
> > > op->val = truncate_if_32bit(regs->msr, imm);
> > > - if (instr & 1)
> > > + if (word & 1)
> > > op->type |= SETLK;
> > > - if (branch_taken(instr, regs, op))
> > > + if (branch_taken(word, regs, op))
> > > op->type |= BRTAKEN;
> > > return 1;
> > >
> > > @@ -1247,23 +1249,23 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > case 417: /* crorc */
> > > case 449: /* cror */
> > > op->type = COMPUTE + SETCC;
> > > - ra = (instr >> 16) & 0x1f;
> > > - rb = (instr >> 11) & 0x1f;
> > > - rd = (instr >> 21) & 0x1f;
> > > + ra = (word >> 16) & 0x1f;
> > > + rb = (word >> 11) & 0x1f;
> > > + rd = (word >> 21) & 0x1f;
> >
> > can't we use your accessors for all these operations ?
> I felt that since we are doing so many bit operations here it was
> simpliest to just leave these as uints.
Okay :+1:
-- Bala
> > > ra = (regs->ccr >> (31 - ra)) & 1;
> > > rb = (regs->ccr >> (31 - rb)) & 1;
> > > - val = (instr >> (6 + ra * 2 + rb)) & 1;
> > > + val = (word >> (6 + ra * 2 + rb)) & 1;
> > > op->ccval = (regs->ccr & ~(1UL << (31 - rd))) |
> > > (val << (31 - rd));
> > > return 1;
> > > }
> > > break;
> > > case 31:
> > > - switch ((instr >> 1) & 0x3ff) {
> > > + switch ((word >> 1) & 0x3ff) {
> > > case 598: /* sync */
> > > op->type = BARRIER + BARRIER_SYNC;
> > > #ifdef __powerpc64__
> > > - switch ((instr >> 21) & 3) {
> > > + switch ((word >> 21) & 3) {
> > > case 1: /* lwsync */
> > > op->type = BARRIER + BARRIER_LWSYNC;
> > > break;
> > > @@ -1285,20 +1287,20 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > if (!FULL_REGS(regs))
> > > return -1;
> > >
> > > - rd = (instr >> 21) & 0x1f;
> > > - ra = (instr >> 16) & 0x1f;
> > > - rb = (instr >> 11) & 0x1f;
> > > - rc = (instr >> 6) & 0x1f;
> > > + rd = (word >> 21) & 0x1f;
> > > + ra = (word >> 16) & 0x1f;
> > > + rb = (word >> 11) & 0x1f;
> > > + rc = (word >> 6) & 0x1f;
> >
> > same here and in similar such places.
> >
> > -- Bala
> > > switch (opcode) {
> > > #ifdef __powerpc64__
> > > case 2: /* tdi */
> > > - if (rd & trap_compare(regs->gpr[ra], (short) instr))
> > > + if (rd & trap_compare(regs->gpr[ra], (short) word))
> > > goto trap;
> > > return 1;
> > > #endif
> > > case 3: /* twi */
> > > - if (rd & trap_compare((int)regs->gpr[ra], (short) instr))
> > > + if (rd & trap_compare((int)regs->gpr[ra], (short) word))
> > > goto trap;
> > > return 1;
> > >
> > > @@ -1307,7 +1309,7 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > > if (!cpu_has_feature(CPU_FTR_ARCH_300))
> > > return -1;
> > >
> > > - switch (instr & 0x3f) {
> > > + switch (word & 0x3f) {
> > > case 48: /* maddhd */
> > > asm volatile(PPC_MADDHD(%0, %1, %2, %3) :
> > > "=r" (op->val) : "r" (regs->gpr[ra]),
> > > @@ -1335,16 +1337,16 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > #endif
> > >
> > > case 7: /* mulli */
> > > - op->val = regs->gpr[ra] * (short) instr;
> > > + op->val = regs->gpr[ra] * (short) word;
> > > goto compute_done;
> > >
> > > case 8: /* subfic */
> > > - imm = (short) instr;
> > > + imm = (short) word;
> > > add_with_carry(regs, op, rd, ~regs->gpr[ra], imm, 1);
> > > return 1;
> > >
> > > case 10: /* cmpli */
> > > - imm = (unsigned short) instr;
> > > + imm = (unsigned short) word;
> > > val = regs->gpr[ra];
> > > #ifdef __powerpc64__
> > > if ((rd & 1) == 0)
> > > @@ -1354,7 +1356,7 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > > return 1;
> > >
> > > case 11: /* cmpi */
> > > - imm = (short) instr;
> > > + imm = (short) word;
> > > val = regs->gpr[ra];
> > > #ifdef __powerpc64__
> > > if ((rd & 1) == 0)
> > > @@ -1364,35 +1366,35 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > return 1;
> > >
> > > case 12: /* addic */
> > > - imm = (short) instr;
> > > + imm = (short) word;
> > > add_with_carry(regs, op, rd, regs->gpr[ra], imm, 0);
> > > return 1;
> > >
> > > case 13: /* addic. */
> > > - imm = (short) instr;
> > > + imm = (short) word;
> > > add_with_carry(regs, op, rd, regs->gpr[ra], imm, 0);
> > > set_cr0(regs, op);
> > > return 1;
> > >
> > > case 14: /* addi */
> > > - imm = (short) instr;
> > > + imm = (short) word;
> > > if (ra)
> > > imm += regs->gpr[ra];
> > > op->val = imm;
> > > goto compute_done;
> > >
> > > case 15: /* addis */
> > > - imm = ((short) instr) << 16;
> > > + imm = ((short) word) << 16;
> > > if (ra)
> > > imm += regs->gpr[ra];
> > > op->val = imm;
> > > goto compute_done;
> > >
> > > case 19:
> > > - if (((instr >> 1) & 0x1f) == 2) {
> > > + if (((word >> 1) & 0x1f) == 2) {
> > > /* addpcis */
> > > - imm = (short) (instr & 0xffc1); /* d0 + d2 fields
> > > */
> > > - imm |= (instr >> 15) & 0x3e; /* d1 field */
> > > + imm = (short) (word & 0xffc1); /* d0 + d2 fields
> > > */
> > > + imm |= (word >> 15) & 0x3e; /* d1 field */
> > > op->val = regs->nip + (imm << 16) + 4;
> > > goto compute_done;
> > > }
> > > @@ -1400,65 +1402,65 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > return 0;
> > >
> > > case 20: /* rlwimi */
> > > - mb = (instr >> 6) & 0x1f;
> > > - me = (instr >> 1) & 0x1f;
> > > + mb = (word >> 6) & 0x1f;
> > > + me = (word >> 1) & 0x1f;
> > > val = DATA32(regs->gpr[rd]);
> > > imm = MASK32(mb, me);
> > > op->val = (regs->gpr[ra] & ~imm) | (ROTATE(val, rb) & imm);
> > > goto logical_done;
> > >
> > > case 21: /* rlwinm */
> > > - mb = (instr >> 6) & 0x1f;
> > > - me = (instr >> 1) & 0x1f;
> > > + mb = (word >> 6) & 0x1f;
> > > + me = (word >> 1) & 0x1f;
> > > val = DATA32(regs->gpr[rd]);
> > > op->val = ROTATE(val, rb) & MASK32(mb, me);
> > > goto logical_done;
> > >
> > > case 23: /* rlwnm */
> > > - mb = (instr >> 6) & 0x1f;
> > > - me = (instr >> 1) & 0x1f;
> > > + mb = (word >> 6) & 0x1f;
> > > + me = (word >> 1) & 0x1f;
> > > rb = regs->gpr[rb] & 0x1f;
> > > val = DATA32(regs->gpr[rd]);
> > > op->val = ROTATE(val, rb) & MASK32(mb, me);
> > > goto logical_done;
> > >
> > > case 24: /* ori */
> > > - op->val = regs->gpr[rd] | (unsigned short) instr;
> > > + op->val = regs->gpr[rd] | (unsigned short) word;
> > > goto logical_done_nocc;
> > >
> > > case 25: /* oris */
> > > - imm = (unsigned short) instr;
> > > + imm = (unsigned short) word;
> > > op->val = regs->gpr[rd] | (imm << 16);
> > > goto logical_done_nocc;
> > >
> > > case 26: /* xori */
> > > - op->val = regs->gpr[rd] ^ (unsigned short) instr;
> > > + op->val = regs->gpr[rd] ^ (unsigned short) word;
> > > goto logical_done_nocc;
> > >
> > > case 27: /* xoris */
> > > - imm = (unsigned short) instr;
> > > + imm = (unsigned short) word;
> > > op->val = regs->gpr[rd] ^ (imm << 16);
> > > goto logical_done_nocc;
> > >
> > > case 28: /* andi. */
> > > - op->val = regs->gpr[rd] & (unsigned short) instr;
> > > + op->val = regs->gpr[rd] & (unsigned short) word;
> > > set_cr0(regs, op);
> > > goto logical_done_nocc;
> > >
> > > case 29: /* andis. */
> > > - imm = (unsigned short) instr;
> > > + imm = (unsigned short) word;
> > > op->val = regs->gpr[rd] & (imm << 16);
> > > set_cr0(regs, op);
> > > goto logical_done_nocc;
> > >
> > > #ifdef __powerpc64__
> > > case 30: /* rld* */
> > > - mb = ((instr >> 6) & 0x1f) | (instr & 0x20);
> > > + mb = ((word >> 6) & 0x1f) | (word & 0x20);
> > > val = regs->gpr[rd];
> > > - if ((instr & 0x10) == 0) {
> > > - sh = rb | ((instr & 2) << 4);
> > > + if ((word & 0x10) == 0) {
> > > + sh = rb | ((word & 2) << 4);
> > > val = ROTATE(val, sh);
> > > - switch ((instr >> 2) & 3) {
> > > + switch ((word >> 2) & 3) {
> > > case 0: /* rldicl */
> > > val &= MASK64_L(mb);
> > > break;
> > > @@ -1478,7 +1480,7 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > > } else {
> > > sh = regs->gpr[rb] & 0x3f;
> > > val = ROTATE(val, sh);
> > > - switch ((instr >> 1) & 7) {
> > > + switch ((word >> 1) & 7) {
> > > case 0: /* rldcl */
> > > op->val = val & MASK64_L(mb);
> > > goto logical_done;
> > > @@ -1493,8 +1495,8 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > >
> > > case 31:
> > > /* isel occupies 32 minor opcodes */
> > > - if (((instr >> 1) & 0x1f) == 15) {
> > > - mb = (instr >> 6) & 0x1f; /* bc field */
> > > + if (((word >> 1) & 0x1f) == 15) {
> > > + mb = (word >> 6) & 0x1f; /* bc field */
> > > val = (regs->ccr >> (31 - mb)) & 1;
> > > val2 = (ra) ? regs->gpr[ra] : 0;
> > >
> > > @@ -1502,7 +1504,7 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > > goto compute_done;
> > > }
> > >
> > > - switch ((instr >> 1) & 0x3ff) {
> > > + switch ((word >> 1) & 0x3ff) {
> > > case 4: /* tw */
> > > if (rd == 0x1f ||
> > > (rd & trap_compare((int)regs->gpr[ra],
> > > @@ -1536,17 +1538,17 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > op->reg = rd;
> > > /* only MSR_EE and MSR_RI get changed if bit 15 set
> > > */
> > > /* mtmsrd doesn't change MSR_HV, MSR_ME or MSR_LE
> > > */
> > > - imm = (instr & 0x10000)? 0x8002:
> > > 0xefffffffffffeffeUL;
> > > + imm = (word & 0x10000)? 0x8002:
> > > 0xefffffffffffeffeUL;
> > > op->val = imm;
> > > return 0;
> > > #endif
> > >
> > > case 19: /* mfcr */
> > > imm = 0xffffffffUL;
> > > - if ((instr >> 20) & 1) {
> > > + if ((word >> 20) & 1) {
> > > imm = 0xf0000000UL;
> > > for (sh = 0; sh < 8; ++sh) {
> > > - if (instr & (0x80000 >> sh))
> > > + if (word & (0x80000 >> sh))
> > > break;
> > > imm >>= 4;
> > > }
> > > @@ -1560,7 +1562,7 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > > val = regs->gpr[rd];
> > > op->ccval = regs->ccr;
> > > for (sh = 0; sh < 8; ++sh) {
> > > - if (instr & (0x80000 >> sh))
> > > + if (word & (0x80000 >> sh))
> > > op->ccval = (op->ccval & ~imm) |
> > > (val & imm);
> > > imm >>= 4;
> > > @@ -1568,7 +1570,7 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > > return 1;
> > >
> > > case 339: /* mfspr */
> > > - spr = ((instr >> 16) & 0x1f) | ((instr >> 6) &
> > > 0x3e0);
> > > + spr = ((word >> 16) & 0x1f) | ((word >> 6) &
> > > 0x3e0);
> > > op->type = MFSPR;
> > > op->reg = rd;
> > > op->spr = spr;
> > > @@ -1578,7 +1580,7 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > > return 0;
> > >
> > > case 467: /* mtspr */
> > > - spr = ((instr >> 16) & 0x1f) | ((instr >> 6) &
> > > 0x3e0);
> > > + spr = ((word >> 16) & 0x1f) | ((word >> 6) &
> > > 0x3e0);
> > > op->type = MTSPR;
> > > op->val = regs->gpr[rd];
> > > op->spr = spr;
> > > @@ -1948,7 +1950,7 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > > case 826: /* sradi with sh_5 = 0 */
> > > case 827: /* sradi with sh_5 = 1 */
> > > op->type = COMPUTE + SETREG + SETXER;
> > > - sh = rb | ((instr & 2) << 4);
> > > + sh = rb | ((word & 2) << 4);
> > > ival = (signed long int) regs->gpr[rd];
> > > op->val = ival >> sh;
> > > op->xerval = regs->xer;
> > > @@ -1964,7 +1966,7 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > > if (!cpu_has_feature(CPU_FTR_ARCH_300))
> > > return -1;
> > > op->type = COMPUTE + SETREG;
> > > - sh = rb | ((instr & 2) << 4);
> > > + sh = rb | ((word & 2) << 4);
> > > val = (signed int) regs->gpr[rd];
> > > if (sh)
> > > op->val = ROTATE(val, sh) & MASK64(0, 63 -
> > > sh);
> > > @@ -1979,34 +1981,34 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > */
> > > case 54: /* dcbst */
> > > op->type = MKOP(CACHEOP, DCBST, 0);
> > > - op->ea = xform_ea(instr, regs);
> > > + op->ea = xform_ea(word, regs);
> > > return 0;
> > >
> > > case 86: /* dcbf */
> > > op->type = MKOP(CACHEOP, DCBF, 0);
> > > - op->ea = xform_ea(instr, regs);
> > > + op->ea = xform_ea(word, regs);
> > > return 0;
> > >
> > > case 246: /* dcbtst */
> > > op->type = MKOP(CACHEOP, DCBTST, 0);
> > > - op->ea = xform_ea(instr, regs);
> > > + op->ea = xform_ea(word, regs);
> > > op->reg = rd;
> > > return 0;
> > >
> > > case 278: /* dcbt */
> > > op->type = MKOP(CACHEOP, DCBTST, 0);
> > > - op->ea = xform_ea(instr, regs);
> > > + op->ea = xform_ea(word, regs);
> > > op->reg = rd;
> > > return 0;
> > >
> > > case 982: /* icbi */
> > > op->type = MKOP(CACHEOP, ICBI, 0);
> > > - op->ea = xform_ea(instr, regs);
> > > + op->ea = xform_ea(word, regs);
> > > return 0;
> > >
> > > case 1014: /* dcbz */
> > > op->type = MKOP(CACHEOP, DCBZ, 0);
> > > - op->ea = xform_ea(instr, regs);
> > > + op->ea = xform_ea(word, regs);
> > > return 0;
> > > }
> > > break;
> > > @@ -2019,14 +2021,14 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > op->update_reg = ra;
> > > op->reg = rd;
> > > op->val = regs->gpr[rd];
> > > - u = (instr >> 20) & UPDATE;
> > > + u = (word >> 20) & UPDATE;
> > > op->vsx_flags = 0;
> > >
> > > switch (opcode) {
> > > case 31:
> > > - u = instr & UPDATE;
> > > - op->ea = xform_ea(instr, regs);
> > > - switch ((instr >> 1) & 0x3ff) {
> > > + u = word & UPDATE;
> > > + op->ea = xform_ea(word, regs);
> > > + switch ((word >> 1) & 0x3ff) {
> > > case 20: /* lwarx */
> > > op->type = MKOP(LARX, 0, 4);
> > > break;
> > > @@ -2271,25 +2273,25 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > >
> > > #ifdef CONFIG_VSX
> > > case 12: /* lxsiwzx */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(LOAD_VSX, 0, 4);
> > > op->element_size = 8;
> > > break;
> > >
> > > case 76: /* lxsiwax */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(LOAD_VSX, SIGNEXT, 4);
> > > op->element_size = 8;
> > > break;
> > >
> > > case 140: /* stxsiwx */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(STORE_VSX, 0, 4);
> > > op->element_size = 8;
> > > break;
> > >
> > > case 268: /* lxvx */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(LOAD_VSX, 0, 16);
> > > op->element_size = 16;
> > > op->vsx_flags = VSX_CHECK_VEC;
> > > @@ -2298,33 +2300,33 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > case 269: /* lxvl */
> > > case 301: { /* lxvll */
> > > int nb;
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->ea = ra ? regs->gpr[ra] : 0;
> > > nb = regs->gpr[rb] & 0xff;
> > > if (nb > 16)
> > > nb = 16;
> > > op->type = MKOP(LOAD_VSX, 0, nb);
> > > op->element_size = 16;
> > > - op->vsx_flags = ((instr & 0x20) ? VSX_LDLEFT : 0) |
> > > + op->vsx_flags = ((word & 0x20) ? VSX_LDLEFT : 0) |
> > > VSX_CHECK_VEC;
> > > break;
> > > }
> > > case 332: /* lxvdsx */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(LOAD_VSX, 0, 8);
> > > op->element_size = 8;
> > > op->vsx_flags = VSX_SPLAT;
> > > break;
> > >
> > > case 364: /* lxvwsx */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(LOAD_VSX, 0, 4);
> > > op->element_size = 4;
> > > op->vsx_flags = VSX_SPLAT | VSX_CHECK_VEC;
> > > break;
> > >
> > > case 396: /* stxvx */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(STORE_VSX, 0, 16);
> > > op->element_size = 16;
> > > op->vsx_flags = VSX_CHECK_VEC;
> > > @@ -2333,118 +2335,118 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > case 397: /* stxvl */
> > > case 429: { /* stxvll */
> > > int nb;
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->ea = ra ? regs->gpr[ra] : 0;
> > > nb = regs->gpr[rb] & 0xff;
> > > if (nb > 16)
> > > nb = 16;
> > > op->type = MKOP(STORE_VSX, 0, nb);
> > > op->element_size = 16;
> > > - op->vsx_flags = ((instr & 0x20) ? VSX_LDLEFT : 0) |
> > > + op->vsx_flags = ((word & 0x20) ? VSX_LDLEFT : 0) |
> > > VSX_CHECK_VEC;
> > > break;
> > > }
> > > case 524: /* lxsspx */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(LOAD_VSX, 0, 4);
> > > op->element_size = 8;
> > > op->vsx_flags = VSX_FPCONV;
> > > break;
> > >
> > > case 588: /* lxsdx */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(LOAD_VSX, 0, 8);
> > > op->element_size = 8;
> > > break;
> > >
> > > case 652: /* stxsspx */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(STORE_VSX, 0, 4);
> > > op->element_size = 8;
> > > op->vsx_flags = VSX_FPCONV;
> > > break;
> > >
> > > case 716: /* stxsdx */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(STORE_VSX, 0, 8);
> > > op->element_size = 8;
> > > break;
> > >
> > > case 780: /* lxvw4x */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(LOAD_VSX, 0, 16);
> > > op->element_size = 4;
> > > break;
> > >
> > > case 781: /* lxsibzx */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(LOAD_VSX, 0, 1);
> > > op->element_size = 8;
> > > op->vsx_flags = VSX_CHECK_VEC;
> > > break;
> > >
> > > case 812: /* lxvh8x */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(LOAD_VSX, 0, 16);
> > > op->element_size = 2;
> > > op->vsx_flags = VSX_CHECK_VEC;
> > > break;
> > >
> > > case 813: /* lxsihzx */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(LOAD_VSX, 0, 2);
> > > op->element_size = 8;
> > > op->vsx_flags = VSX_CHECK_VEC;
> > > break;
> > >
> > > case 844: /* lxvd2x */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(LOAD_VSX, 0, 16);
> > > op->element_size = 8;
> > > break;
> > >
> > > case 876: /* lxvb16x */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(LOAD_VSX, 0, 16);
> > > op->element_size = 1;
> > > op->vsx_flags = VSX_CHECK_VEC;
> > > break;
> > >
> > > case 908: /* stxvw4x */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(STORE_VSX, 0, 16);
> > > op->element_size = 4;
> > > break;
> > >
> > > case 909: /* stxsibx */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(STORE_VSX, 0, 1);
> > > op->element_size = 8;
> > > op->vsx_flags = VSX_CHECK_VEC;
> > > break;
> > >
> > > case 940: /* stxvh8x */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(STORE_VSX, 0, 16);
> > > op->element_size = 2;
> > > op->vsx_flags = VSX_CHECK_VEC;
> > > break;
> > >
> > > case 941: /* stxsihx */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(STORE_VSX, 0, 2);
> > > op->element_size = 8;
> > > op->vsx_flags = VSX_CHECK_VEC;
> > > break;
> > >
> > > case 972: /* stxvd2x */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(STORE_VSX, 0, 16);
> > > op->element_size = 8;
> > > break;
> > >
> > > case 1004: /* stxvb16x */
> > > - op->reg = rd | ((instr & 1) << 5);
> > > + op->reg = rd | ((word & 1) << 5);
> > > op->type = MKOP(STORE_VSX, 0, 16);
> > > op->element_size = 1;
> > > op->vsx_flags = VSX_CHECK_VEC;
> > > @@ -2457,80 +2459,80 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > case 32: /* lwz */
> > > case 33: /* lwzu */
> > > op->type = MKOP(LOAD, u, 4);
> > > - op->ea = dform_ea(instr, regs);
> > > + op->ea = dform_ea(word, regs);
> > > break;
> > >
> > > case 34: /* lbz */
> > > case 35: /* lbzu */
> > > op->type = MKOP(LOAD, u, 1);
> > > - op->ea = dform_ea(instr, regs);
> > > + op->ea = dform_ea(word, regs);
> > > break;
> > >
> > > case 36: /* stw */
> > > case 37: /* stwu */
> > > op->type = MKOP(STORE, u, 4);
> > > - op->ea = dform_ea(instr, regs);
> > > + op->ea = dform_ea(word, regs);
> > > break;
> > >
> > > case 38: /* stb */
> > > case 39: /* stbu */
> > > op->type = MKOP(STORE, u, 1);
> > > - op->ea = dform_ea(instr, regs);
> > > + op->ea = dform_ea(word, regs);
> > > break;
> > >
> > > case 40: /* lhz */
> > > case 41: /* lhzu */
> > > op->type = MKOP(LOAD, u, 2);
> > > - op->ea = dform_ea(instr, regs);
> > > + op->ea = dform_ea(word, regs);
> > > break;
> > >
> > > case 42: /* lha */
> > > case 43: /* lhau */
> > > op->type = MKOP(LOAD, SIGNEXT | u, 2);
> > > - op->ea = dform_ea(instr, regs);
> > > + op->ea = dform_ea(word, regs);
> > > break;
> > >
> > > case 44: /* sth */
> > > case 45: /* sthu */
> > > op->type = MKOP(STORE, u, 2);
> > > - op->ea = dform_ea(instr, regs);
> > > + op->ea = dform_ea(word, regs);
> > > break;
> > >
> > > case 46: /* lmw */
> > > if (ra >= rd)
> > > break; /* invalid form, ra in range to
> > > load
> > > */
> > > op->type = MKOP(LOAD_MULTI, 0, 4 * (32 - rd));
> > > - op->ea = dform_ea(instr, regs);
> > > + op->ea = dform_ea(word, regs);
> > > break;
> > >
> > > case 47: /* stmw */
> > > op->type = MKOP(STORE_MULTI, 0, 4 * (32 - rd));
> > > - op->ea = dform_ea(instr, regs);
> > > + op->ea = dform_ea(word, regs);
> > > break;
> > >
> > > #ifdef CONFIG_PPC_FPU
> > > case 48: /* lfs */
> > > case 49: /* lfsu */
> > > op->type = MKOP(LOAD_FP, u | FPCONV, 4);
> > > - op->ea = dform_ea(instr, regs);
> > > + op->ea = dform_ea(word, regs);
> > > break;
> > >
> > > case 50: /* lfd */
> > > case 51: /* lfdu */
> > > op->type = MKOP(LOAD_FP, u, 8);
> > > - op->ea = dform_ea(instr, regs);
> > > + op->ea = dform_ea(word, regs);
> > > break;
> > >
> > > case 52: /* stfs */
> > > case 53: /* stfsu */
> > > op->type = MKOP(STORE_FP, u | FPCONV, 4);
> > > - op->ea = dform_ea(instr, regs);
> > > + op->ea = dform_ea(word, regs);
> > > break;
> > >
> > > case 54: /* stfd */
> > > case 55: /* stfdu */
> > > op->type = MKOP(STORE_FP, u, 8);
> > > - op->ea = dform_ea(instr, regs);
> > > + op->ea = dform_ea(word, regs);
> > > break;
> > > #endif
> > >
> > > @@ -2538,14 +2540,14 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > > case 56: /* lq */
> > > if (!((rd & 1) || (rd == ra)))
> > > op->type = MKOP(LOAD, 0, 16);
> > > - op->ea = dqform_ea(instr, regs);
> > > + op->ea = dqform_ea(word, regs);
> > > break;
> > > #endif
> > >
> > > #ifdef CONFIG_VSX
> > > case 57: /* lfdp, lxsd, lxssp */
> > > - op->ea = dsform_ea(instr, regs);
> > > - switch (instr & 3) {
> > > + op->ea = dsform_ea(word, regs);
> > > + switch (word & 3) {
> > > case 0: /* lfdp */
> > > if (rd & 1)
> > > break; /* reg must be even */
> > > @@ -2569,8 +2571,8 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > >
> > > #ifdef __powerpc64__
> > > case 58: /* ld[u], lwa */
> > > - op->ea = dsform_ea(instr, regs);
> > > - switch (instr & 3) {
> > > + op->ea = dsform_ea(word, regs);
> > > + switch (word & 3) {
> > > case 0: /* ld */
> > > op->type = MKOP(LOAD, 0, 8);
> > > break;
> > > @@ -2586,16 +2588,16 @@ int analyse_instr(struct instruction_op *op,
> > > const
> > > struct pt_regs *regs,
> > >
> > > #ifdef CONFIG_VSX
> > > case 61: /* stfdp, lxv, stxsd, stxssp, stxv */
> > > - switch (instr & 7) {
> > > + switch (word & 7) {
> > > case 0: /* stfdp with LSB of DS field = 0 */
> > > case 4: /* stfdp with LSB of DS field = 1 */
> > > - op->ea = dsform_ea(instr, regs);
> > > + op->ea = dsform_ea(word, regs);
> > > op->type = MKOP(STORE_FP, 0, 16);
> > > break;
> > >
> > > case 1: /* lxv */
> > > - op->ea = dqform_ea(instr, regs);
> > > - if (instr & 8)
> > > + op->ea = dqform_ea(word, regs);
> > > + if (word & 8)
> > > op->reg = rd + 32;
> > > op->type = MKOP(LOAD_VSX, 0, 16);
> > > op->element_size = 16;
> > > @@ -2604,7 +2606,7 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > >
> > > case 2: /* stxsd with LSB of DS field = 0 */
> > > case 6: /* stxsd with LSB of DS field = 1 */
> > > - op->ea = dsform_ea(instr, regs);
> > > + op->ea = dsform_ea(word, regs);
> > > op->reg = rd + 32;
> > > op->type = MKOP(STORE_VSX, 0, 8);
> > > op->element_size = 8;
> > > @@ -2613,7 +2615,7 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > >
> > > case 3: /* stxssp with LSB of DS field = 0 */
> > > case 7: /* stxssp with LSB of DS field = 1 */
> > > - op->ea = dsform_ea(instr, regs);
> > > + op->ea = dsform_ea(word, regs);
> > > op->reg = rd + 32;
> > > op->type = MKOP(STORE_VSX, 0, 4);
> > > op->element_size = 8;
> > > @@ -2621,8 +2623,8 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > > break;
> > >
> > > case 5: /* stxv */
> > > - op->ea = dqform_ea(instr, regs);
> > > - if (instr & 8)
> > > + op->ea = dqform_ea(word, regs);
> > > + if (word & 8)
> > > op->reg = rd + 32;
> > > op->type = MKOP(STORE_VSX, 0, 16);
> > > op->element_size = 16;
> > > @@ -2634,8 +2636,8 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > >
> > > #ifdef __powerpc64__
> > > case 62: /* std[u] */
> > > - op->ea = dsform_ea(instr, regs);
> > > - switch (instr & 3) {
> > > + op->ea = dsform_ea(word, regs);
> > > + switch (word & 3) {
> > > case 0: /* std */
> > > op->type = MKOP(STORE, 0, 8);
> > > break;
> > > @@ -2663,7 +2665,7 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > > return 0;
> > >
> > > logical_done:
> > > - if (instr & 1)
> > > + if (word & 1)
> > > set_cr0(regs, op);
> > > logical_done_nocc:
> > > op->reg = ra;
> > > @@ -2671,7 +2673,7 @@ int analyse_instr(struct instruction_op *op, const
> > > struct pt_regs *regs,
> > > return 1;
> > >
> > > arith_done:
> > > - if (instr & 1)
> > > + if (word & 1)
> > > set_cr0(regs, op);
> > > compute_done:
> > > op->reg = rd;
> > > diff --git a/arch/powerpc/lib/test_emulate_step.c
> > > b/arch/powerpc/lib/test_emulate_step.c
> > > index 486e057e5be1..d6275a9b8ce6 100644
> > > --- a/arch/powerpc/lib/test_emulate_step.c
> > > +++ b/arch/powerpc/lib/test_emulate_step.c
> > > @@ -851,7 +851,7 @@ static int __init emulate_compute_instr(struct
> > > pt_regs
> > > *regs,
> > >
> > > if (analyse_instr(&op, regs, instr) != 1 ||
> > > GETTYPE(op.type) != COMPUTE) {
> > > - pr_info("emulation failed, instruction = 0x%08x\n", instr);
> > > + pr_info("emulation failed, instruction = 0x%08x\n",
> > > ppc_inst_word(instr));
> > > return -EFAULT;
> > > }
> > >
> > > @@ -871,7 +871,7 @@ static int __init execute_compute_instr(struct
> > > pt_regs
> > > *regs,
> > > /* Patch the NOP with the actual instruction */
> > > patch_instruction_site(&patch__exec_instr, instr);
> > > if (exec_instr(regs)) {
> > > - pr_info("execution failed, instruction = 0x%08x\n", instr);
> > > + pr_info("execution failed, instruction = 0x%08x\n",
> > > ppc_inst_word(instr));
> > > return -EFAULT;
> > > }
> > >
> > > diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
> > > index d045e583f1c9..dec522fa8201 100644
> > > --- a/arch/powerpc/xmon/xmon.c
> > > +++ b/arch/powerpc/xmon/xmon.c
> > > @@ -2871,9 +2871,9 @@ generic_inst_dump(unsigned long adr, long count,
> > > int
> > > praddr,
> > > dotted = 0;
> > > last_inst = inst;
> > > if (praddr)
> > > - printf(REG" %.8x", adr, inst);
> > > + printf(REG" %.8x", adr, ppc_inst_word(inst));
> > > printf("\t");
> > > - dump_func(inst, adr);
> > > + dump_func(ppc_inst_word(inst), adr);
> > > printf("\n");
> > > }
> > > return adr - first_adr;
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