On Thu, Jul 13, 2017 at 01:43:53AM -0500, Segher Boessenkool wrote:
> On Thu, Jul 13, 2017 at 01:51:30PM +1000, Andrew Donnellan wrote:
> > On 13/07/17 13:25, Matt Brown wrote:
> > >@@ -1049,6 +1066,13 @@ int analyse_instr(struct instruction_op *op, struct
> > >pt_regs *regs,
> > >
On Thu, Jul 13, 2017 at 01:25:44PM +1000, Matt Brown wrote:
> +static nokprobe_inline void do_cmpb(struct pt_regs *regs, unsigned long v1,
> + unsigned long v2, int rd)
> +{
> + unsigned long out_val, mask;
> + int i;
> +
> + out_val = 0;
> + for (i = 0;
On Thu, Jul 13, 2017 at 01:51:30PM +1000, Andrew Donnellan wrote:
> On 13/07/17 13:25, Matt Brown wrote:
> >@@ -1049,6 +1066,13 @@ int analyse_instr(struct instruction_op *op, struct
> >pt_regs *regs,
> > do_cmp_unsigned(regs, val, val2, rd >> 2);
> > goto i
On 13/07/17 13:25, Matt Brown wrote:
@@ -1049,6 +1066,13 @@ int analyse_instr(struct instruction_op *op, struct
pt_regs *regs,
do_cmp_unsigned(regs, val, val2, rd >> 2);
goto instr_done;
+ case 19173952: /* cmpb */
This looks wrong
This patch adds emulation of the cmpb instruction, enabling xmon to
emulate this instruction.
Signed-off-by: Matt Brown
---
arch/powerpc/lib/sstep.c | 24
1 file changed, 24 insertions(+)
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index 33117f8..f3
