linux-kernel - Re: [PATCH 9/9] RISC-V: Build Infastructure

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Message-ID: <mhng-1f78b59f-b5ef-4b2d-a622-9255581d21c8@palmer-si-x1c4>
Date:   Thu, 29 Jun 2017 15:11:41 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     james.hogan@...tec.com
CC:     albert@...ive.com
Subject:     Re: [PATCH 9/9] RISC-V: Build Infastructure

On Wed, 28 Jun 2017 15:54:42 PDT (-0700), james.hogan@...tec.com wrote:
> On Wed, Jun 28, 2017 at 11:55:38AM -0700, Palmer Dabbelt wrote:
>> diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile
>> new file mode 100644
>> index 000000000000..7f58cd251ab8
>> --- /dev/null
>> +++ b/arch/riscv/kernel/Makefile
>> @@ -0,0 +1,16 @@
>> +#
>> +# Makefile for the RISC-V Linux kernel
>> +#
>> +
>> +extra-y := head.o vmlinux.lds
>> +
>> +obj-y	:= cpu.o entry.o irq.o process.o ptrace.o reset.o setup.o \
>> +	   signal.o syscall_table.o sys_riscv.o time.o traps.o \
>> +	   riscv_ksyms.o stacktrace.o vdso.o cacheinfo.o vdso/
>
> I would suggest splitting these sort of things onto separate lines.
> It'll make later changes much more readable (especially when you're
> escaping newlines) as well as avoiding conflicts.
>
>> +
>> +CFLAGS_setup.o := -mcmodel=medany
>> +
>> +obj-$(CONFIG_SMP)		+= smpboot.o smp.o
>
> same here
>
>> +obj-$(CONFIG_MODULES)		+= module.o
>> +
>> +clean:
>
>> diff --git a/arch/riscv/lib/Makefile b/arch/riscv/lib/Makefile
>> new file mode 100644
>> index 000000000000..120c38e77a46
>> --- /dev/null
>> +++ b/arch/riscv/lib/Makefile
>> @@ -0,0 +1,5 @@
>> +lib-y	:= delay.o memcpy.o memset.o uaccess.o
>
> and here
>
>> +
>> +ifeq ($(CONFIG_64BIT),)
>> +lib-y += udivdi3.o
>> +endif
>
> Would this work?
>
> lib-$(CONFIG_32BIT) += udivdi3.o
>
>> diff --git a/arch/riscv/mm/Makefile b/arch/riscv/mm/Makefile
>> new file mode 100644
>> index 000000000000..36ebe6feb5d6
>> --- /dev/null
>> +++ b/arch/riscv/mm/Makefile
>> @@ -0,0 +1 @@
>> +obj-y := init.o fault.o extable.o ioremap.o
>
> and here

Sounds good.  I'll include this in the v4

  https://github.com/riscv/riscv-linux/commit/e5a3eee8cd3e493dcd9b81509b1aa9e0302b72da