From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:35066) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T1aNd-0001M4-30 for qemu-devel@nongnu.org; Wed, 15 Aug 2012 05:59:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1T1aNa-0006uc-43 for qemu-devel@nongnu.org; Wed, 15 Aug 2012 05:59:12 -0400 From: Alexander Graf Date: Wed, 15 Aug 2012 11:58:44 +0200 Message-Id: <1345024742-18394-7-git-send-email-agraf@suse.de> In-Reply-To: <1345024742-18394-1-git-send-email-agraf@suse.de> References: <1345024742-18394-1-git-send-email-agraf@suse.de> Subject: [Qemu-devel] [PATCH 06/24] PPC: e500: add generic e500 platform List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-ppc Mailing List Cc: Blue Swirl , Scott Wood , qemu-devel qemu-devel , Aurelien Jarno From: Scott Wood 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 [agraf: conditionalize on CONFIG_FDT] Signed-off-by: Alexander Graf --- hw/ppc/Makefile.objs | 2 +- hw/ppc/e500plat.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 61 insertions(+), 1 deletions(-) create mode 100644 hw/ppc/e500plat.c diff --git a/hw/ppc/Makefile.objs b/hw/ppc/Makefile.objs index 99fe837..951e407 100644 --- a/hw/ppc/Makefile.objs +++ b/hw/ppc/Makefile.objs @@ -27,4 +27,4 @@ obj-y += xilinx_ethlite.o obj-y := $(addprefix ../,$(obj-y)) -obj-$(CONFIG_FDT) += e500.o mpc8544ds.o +obj-$(CONFIG_FDT) += e500.o mpc8544ds.o e500plat.o diff --git a/hw/ppc/e500plat.c b/hw/ppc/e500plat.c new file mode 100644 index 0000000..60a5cb3 --- /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 ppce500"; + 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 = "ppce500", + .desc = "generic paravirt e500 platform", + .init = e500plat_init, + .max_cpus = 15, +}; + +static void e500plat_machine_init(void) +{ + qemu_register_machine(&e500plat_machine); +} + +machine_init(e500plat_machine_init); -- 1.6.0.2