Re: [Qemu-devel] [PATCH V5 2/7] nios2: Add architecture emulation support

[Marek Vasut <marex@denx.de>]

On 10/23/2016 06:20 AM, Richard Henderson wrote:
> On 10/22/2016 08:01 PM, Marek Vasut wrote:
>>> For signed division, you have to protect against 0x80000000 / -1 as
>>> well, which raises an overflow exception on the x86 host.
>>
>> You mean similar to what mips does on OPC_DIV vs OPC_DIVU , right ?
> 
> Yes.
> 
>>> No CPU_LOG_TB_IN_ASM disassembly?  I thought patch 1 added a nios2
>>> disassembler.
>>
>> Nope, I removed it in V4, maybe i misunderstood the review comment?
>> "
>>> +    /* Dump the CPU state to the log */
>>> +    if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
>>> +        qemu_log("--------------\n");
>>> +        log_cpu_state(cs, 0);
>>> +    }
>>
>> Cpu state is dumped by -d cpu generically.
>> "
> 
> CPU state != disassembly.  I mean
> 
>     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)
>         && qemu_log_in_addr_range(pc_start)) {
>         qemu_log("IN: %s\n", lookup_symbol(pc_start));
>         log_target_disas(cs, pc_start, ctx.pc - pc_start, 1);
>         qemu_log("\n");
>     }
> 
> 
> r~
> 
Both added, thanks!

-- 
Best regards,
Marek Vasut