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Re: [Qemu-devel] [RFC PATCH v2 13/37] hw/riscv/Makefile.objs: Create CON


From: Thomas Huth
Subject: Re: [Qemu-devel] [RFC PATCH v2 13/37] hw/riscv/Makefile.objs: Create CONFIG_* for riscv boards
Date: Wed, 16 Jan 2019 10:46:45 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

On 2019-01-15 15:10, Yang Zhong wrote:
> Add the new configs to default-configs/riscv*-sofmmu.mak.
> 
> Signed-off-by: Yang Zhong <address@hidden>
> ---
>  default-configs/riscv32-softmmu.mak |  6 ++++++
>  default-configs/riscv64-softmmu.mak |  6 ++++++
>  hw/riscv/Makefile.objs              | 22 +++++++++++-----------
>  3 files changed, 23 insertions(+), 11 deletions(-)
> 
> diff --git a/default-configs/riscv32-softmmu.mak 
> b/default-configs/riscv32-softmmu.mak
> index dbc9398284..af841839d1 100644
> --- a/default-configs/riscv32-softmmu.mak
> +++ b/default-configs/riscv32-softmmu.mak
> @@ -11,3 +11,9 @@ CONFIG_PCI_GENERIC=y
>  
>  CONFIG_VGA=y
>  CONFIG_VGA_PCI=y
> +
> +CONFIG_HTIF=y
> +CONFIG_HART=y
> +CONFIG_SIFIVE=y
> +CONFIG_SPIKE=y
> +CONFIG_RISCV_VIRTIO=y
> diff --git a/default-configs/riscv64-softmmu.mak 
> b/default-configs/riscv64-softmmu.mak
> index dbc9398284..af841839d1 100644
> --- a/default-configs/riscv64-softmmu.mak
> +++ b/default-configs/riscv64-softmmu.mak
> @@ -11,3 +11,9 @@ CONFIG_PCI_GENERIC=y
>  
>  CONFIG_VGA=y
>  CONFIG_VGA_PCI=y
> +
> +CONFIG_HTIF=y
> +CONFIG_HART=y
> +CONFIG_SIFIVE=y
> +CONFIG_SPIKE=y
> +CONFIG_RISCV_VIRTIO=y
> diff --git a/hw/riscv/Makefile.objs b/hw/riscv/Makefile.objs
> index 1dde01d39d..dde1b01f90 100644
> --- a/hw/riscv/Makefile.objs
> +++ b/hw/riscv/Makefile.objs
> @@ -1,11 +1,11 @@
> -obj-y += riscv_htif.o
> -obj-y += riscv_hart.o
> -obj-y += sifive_e.o
> -obj-y += sifive_clint.o
> -obj-y += sifive_prci.o
> -obj-y += sifive_plic.o
> -obj-y += sifive_test.o
> -obj-y += sifive_u.o
> -obj-y += sifive_uart.o
> -obj-y += spike.o
> -obj-y += virt.o
> +obj-$(CONFIG_HTIF) += riscv_htif.o

riscv_htif.o seems to belong to the spike machine, so I think you don't
need a separate config switch for that and could simply use CONFIG_SPIKE
here.

> +obj-$(CONFIG_HART) += riscv_hart.o
> +obj-$(CONFIG_SIFIVE) += sifive_e.o
> +obj-$(CONFIG_SIFIVE) += sifive_clint.o
> +obj-$(CONFIG_SIFIVE) += sifive_prci.o
> +obj-$(CONFIG_SIFIVE) += sifive_plic.o
> +obj-$(CONFIG_SIFIVE) += sifive_test.o
> +obj-$(CONFIG_SIFIVE) += sifive_u.o

Looking at the output of "qemu-system-riscv64 -M help", sifive_e and
sifive_u are two separate machines. So should we use two different
config switches here?

> +obj-$(CONFIG_SIFIVE) += sifive_uart.o
> +obj-$(CONFIG_SPIKE) += spike.o
> +obj-$(CONFIG_RISCV_VIRTIO) += virt.o

The machine is only called "virt", so I'd suggest to call the config
switch CONFIG_RISCV_VIRT only.

 Thomas



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