linux-kernel - Re: [PATCH v4 04/36] nds32: Kernel booting and initialization

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Message-ID: <CAEbi=3cyccwHNurEmXFC1nfVzEc9FZMp5bxNi8un4c3w4xA7Sg@mail.gmail.com>
Date:   Wed, 20 Dec 2017 10:35:30 +0800
From:   Greentime Hu <green.hu@...il.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Greentime <greentime@...estech.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        linux-arch <linux-arch@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        Rob Herring <robh+dt@...nel.org>,
        netdev <netdev@...r.kernel.org>,
        Vincent Chen <deanbo422@...il.com>,
        DTML <devicetree@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        David Howells <dhowells@...hat.com>,
        Will Deacon <will.deacon@....com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        linux-serial@...r.kernel.org,
        Geert Uytterhoeven <geert.uytterhoeven@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mark Rutland <mark.rutland@....com>, Greg KH <greg@...ah.com>,
        Guo Ren <ren_guo@...ky.com>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Vincent Chen <vincentc@...estech.com>
Subject: Re: [PATCH v4 04/36] nds32: Kernel booting and initialization

2017-12-20 6:01 GMT+08:00 Randy Dunlap <rdunlap@...radead.org>:
> On 12/17/2017 10:46 PM, Greentime Hu wrote:
>> From: Greentime Hu <greentime@...estech.com>
>>
>> This patch includes the kernel startup code. It can get dtb pointer
>> passed from bootloader. It will create a temp mapping by tlb
>> instructions at beginning and goto start_kernel.
>>
>> Signed-off-by: Vincent Chen <vincentc@...estech.com>
>> Signed-off-by: Greentime Hu <greentime@...estech.com>
>> ---
>>  arch/nds32/kernel/head.S  |  189 ++++++++++++++++++++++
>>  arch/nds32/kernel/setup.c |  383 +++++++++++++++++++++++++++++++++++++++++++++
>>  2 files changed, 572 insertions(+)
>>  create mode 100644 arch/nds32/kernel/head.S
>>  create mode 100644 arch/nds32/kernel/setup.c
>>
>
>> diff --git a/arch/nds32/kernel/setup.c b/arch/nds32/kernel/setup.c
>> new file mode 100644
>> index 0000000..7718c58
>> --- /dev/null
>> +++ b/arch/nds32/kernel/setup.c
>> @@ -0,0 +1,383 @@
>> +// SPDX-License-Identifier: GPL-2.0
>> +// Copyright (C) 2005-2017 Andes Technology Corporation
>> +
>
> [snip]
>
>> +struct cache_info L1_cache_info[2];
>> +static void __init dump_cpu_info(int cpu)
>> +{
>> +     int i, p = 0;
>> +     char str[sizeof(hwcap_str) + 16];
>> +
>> +     for (i = 0; hwcap_str[i]; i++) {
>> +             if (elf_hwcap & (1 << i)) {
>> +                     sprintf(str + p, "%s ", hwcap_str[i]);
>> +                     p += strlen(hwcap_str[i]) + 1;
>> +             }
>> +     }
>> +
>> +     pr_info("CPU%d Featuretures: %s\n", cpu, str);
>
>                        Features:
>

Thanks Randy. I will fix this typo.