[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 4/4] PPC: e500: add generic e500 platform
From: |
Stuart Yoder |
Subject: |
Re: [Qemu-devel] [PATCH 4/4] PPC: e500: add generic e500 platform |
Date: |
Mon, 2 Jul 2012 11:33:38 -0500 |
On Wed, Jun 27, 2012 at 6:51 PM, Scott Wood <address@hidden> wrote:
> This gives the kernel a paravirtualized machine to target, without
> requiring both sides to pretend to be targeting a specific board
> that likely has little to do with the host in KVM scenarios. This
> avoids the need to add new boards to QEMU, just to be able to
> run KVM on new CPUs.
>
> Signed-off-by: Scott Wood <address@hidden>
> ---
> hw/ppc/Makefile.objs | 3 +-
> hw/ppc/e500plat.c | 60
> ++++++++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 62 insertions(+), 1 deletions(-)
> create mode 100644 hw/ppc/e500plat.c
>
> diff --git a/hw/ppc/Makefile.objs b/hw/ppc/Makefile.objs
> index 23eb8ca..58d82c9 100644
> --- a/hw/ppc/Makefile.objs
> +++ b/hw/ppc/Makefile.objs
> @@ -15,7 +15,8 @@ obj-$(CONFIG_PSERIES) += spapr_pci.o pci-hotplug.o
> spapr_iommu.o
> obj-y += ppc4xx_devs.o ppc4xx_pci.o ppc405_uc.o ppc405_boards.o
> obj-y += ppc440_bamboo.o
> # PowerPC E500 boards
> -obj-$(CONFIG_FDT) += ppc/e500.o mpc8544_guts.o ppce500_spin.o ppc/mpc8544ds.o
> +obj-$(CONFIG_FDT) += ppc/e500.o mpc8544_guts.o ppce500_spin.o
> ppc/mpc8544ds.o \
> + ppc/e500plat.o
> # PowerPC 440 Xilinx ML507 reference board.
> obj-y += virtex_ml507.o
> # PowerPC OpenPIC
> diff --git a/hw/ppc/e500plat.c b/hw/ppc/e500plat.c
> new file mode 100644
> index 0000000..a9ef5f8
> --- /dev/null
> +++ b/hw/ppc/e500plat.c
> @@ -0,0 +1,60 @@
> +/*
> + * Generic device-tree-driven paravirt PPC e500 platform
> + *
> + * Copyright 2012 Freescale Semiconductor, Inc.
> + *
> + * This is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + */
> +
> +#include "config.h"
> +#include "qemu-common.h"
> +#include "e500.h"
> +#include "../boards.h"
> +#include "device_tree.h"
> +
> +static void e500plat_fixup_devtree(PPCE500Params *params, void *fdt)
> +{
> + const char model[] = "QEMU e500plat";
> + const char compatible[] = "fsl,qemu-e500";
> +
> + qemu_devtree_setprop(fdt, "/", "model", model, sizeof(model));
> + qemu_devtree_setprop(fdt, "/", "compatible", compatible,
> + sizeof(compatible));
> +}
> +
> +static void e500plat_init(ram_addr_t ram_size,
> + const char *boot_device,
> + const char *kernel_filename,
> + const char *kernel_cmdline,
> + const char *initrd_filename,
> + const char *cpu_model)
> +{
> + PPCE500Params params = {
> + .ram_size = ram_size,
> + .boot_device = boot_device,
> + .kernel_filename = kernel_filename,
> + .kernel_cmdline = kernel_cmdline,
> + .initrd_filename = initrd_filename,
> + .cpu_model = cpu_model,
> + .fixup_devtree = e500plat_fixup_devtree,
> + };
> +
> + ppce500_init(¶ms);
> +}
> +
> +static QEMUMachine e500plat_machine = {
> + .name = "e500plat",
> + .desc = "e500plat",
> + .init = e500plat_init,
> + .max_cpus = 15,
> +};
Can we call the generic e500 machine "ppce500"? I like that better as
it denotes both the "Power/PPC" architecture and "e500". I aesthetically
like -M ppce500 over -M e500plat when running QEMU.
Stuart
- Re: [Qemu-devel] [PATCH 4/4] PPC: e500: add generic e500 platform,
Stuart Yoder <=