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Re: [Qemu-devel] [PATCH V5 2/7] nios2: Add architecture emulation suppor
From: |
Marek Vasut |
Subject: |
Re: [Qemu-devel] [PATCH V5 2/7] nios2: Add architecture emulation support |
Date: |
Tue, 25 Oct 2016 17:58:01 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Icedove/45.4.0 |
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
- Re: [Qemu-devel] [PATCH V3 2/7] nios2: Add architecture emulation support, (continued)
- Re: [Qemu-devel] [PATCH V3 2/7] nios2: Add architecture emulation support, Marek Vasut, 2016/10/18
- Re: [Qemu-devel] [PATCH V3 2/7] nios2: Add architecture emulation support, Richard Henderson, 2016/10/19
- Re: [Qemu-devel] [PATCH V3 2/7] nios2: Add architecture emulation support, Marek Vasut, 2016/10/19
- Re: [Qemu-devel] [PATCH V3 2/7] nios2: Add architecture emulation support, Richard Henderson, 2016/10/20
- Re: [Qemu-devel] [PATCH V3 2/7] nios2: Add architecture emulation support, Marek Vasut, 2016/10/20
[Qemu-devel] [PATCH V4 2/7] nios2: Add architecture emulation support, Marek Vasut, 2016/10/18
[Qemu-devel] [PATCH V6 2/7] nios2: Add architecture emulation support, Marek Vasut, 2016/10/25
[Qemu-devel] [PATCH V3 6/7] nios2: Add Altera 10M50 GHRD emulation, Marek Vasut, 2016/10/18