From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56541) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eoRfP-0002xk-NJ for qemu-devel@nongnu.org; Wed, 21 Feb 2018 05:30:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eoRfM-0002C8-I8 for qemu-devel@nongnu.org; Wed, 21 Feb 2018 05:30:27 -0500 Date: Wed, 21 Feb 2018 11:30:12 +0100 From: Igor Mammedov Message-ID: <20180221113012.2ee836fb@redhat.com> In-Reply-To: <20180220180325.29818-20-peter.maydell@linaro.org> References: <20180220180325.29818-1-peter.maydell@linaro.org> <20180220180325.29818-20-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 19/19] mps2-an505: New board model: MPS2 with AN505 Cortex-M33 FPGA image List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org, patches@linaro.org On Tue, 20 Feb 2018 18:03:25 +0000 Peter Maydell wrote: > Define a new board model for the MPS2 with an AN505 FPGA image > containing a Cortex-M33. Since the FPGA images for TrustZone > cores (AN505, and the similar AN519 for Cortex-M23) have a > significantly different layout of devices to the non-TrustZone > images, we use a new source file rather than shoehorning them > into the existing mps2.c. > > Signed-off-by: Peter Maydell > --- > hw/arm/Makefile.objs | 1 + > hw/arm/mps2-tz.c | 504 +++++++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 505 insertions(+) > create mode 100644 hw/arm/mps2-tz.c > > diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs > index 79cd30bb92..232258160a 100644 > --- a/hw/arm/Makefile.objs > +++ b/hw/arm/Makefile.objs > @@ -19,5 +19,6 @@ obj-$(CONFIG_FSL_IMX31) += fsl-imx31.o kzm.o > obj-$(CONFIG_FSL_IMX6) += fsl-imx6.o sabrelite.o > obj-$(CONFIG_ASPEED_SOC) += aspeed_soc.o aspeed.o > obj-$(CONFIG_MPS2) += mps2.o > +obj-$(CONFIG_MPS2) += mps2-tz.o > obj-$(CONFIG_MSF2) += msf2-soc.o msf2-som.o > obj-$(CONFIG_IOTKIT) += iotkit.o > diff --git a/hw/arm/mps2-tz.c b/hw/arm/mps2-tz.c > new file mode 100644 > index 0000000000..ff414c649c > --- /dev/null > +++ b/hw/arm/mps2-tz.c > @@ -0,0 +1,504 @@ > +/* > + * ARM V2M MPS2 board emulation, trustzone aware FPGA images > + * > + * Copyright (c) 2017 Linaro Limited > + * Written by Peter Maydell > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 or > + * (at your option) any later version. > + */ > + > +/* The MPS2 and MPS2+ dev boards are FPGA based (the 2+ has a bigger > + * FPGA but is otherwise the same as the 2). Since the CPU itself > + * and most of the devices are in the FPGA, the details of the board > + * as seen by the guest depend significantly on the FPGA image. > + * This source file covers the following FPGA images, for TrustZone cores: > + * "mps2-an505" -- Cortex-M33 as documented in ARM Application Note AN505 > + * > + * Links to the TRM for the board itself and to the various Application > + * Notes which document the FPGA images can be found here: > + * https://developer.arm.com/products/system-design/development-boards/fpga-prototyping-boards/mps2 > + * > + * Board TRM: > + * http://infocenter.arm.com/help/topic/com.arm.doc.100112_0200_06_en/versatile_express_cortex_m_prototyping_systems_v2m_mps2_and_v2m_mps2plus_technical_reference_100112_0200_06_en.pdf > + * Application Note AN505: > + * http://infocenter.arm.com/help/topic/com.arm.doc.dai0505b/index.html > + * > + * The AN505 defers to the Cortex-M33 processor ARMv8M IoT Kit FVP User Guide > + * (ARM ECM0601256) for the details of some of the device layout: > + * http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ecm0601256/index.html > + */ > + > +#include "qemu/osdep.h" > +#include "qapi/error.h" > +#include "qemu/error-report.h" > +#include "hw/arm/arm.h" > +#include "hw/arm/armv7m.h" > +#include "hw/or-irq.h" > +#include "hw/boards.h" > +#include "exec/address-spaces.h" > +#include "sysemu/sysemu.h" > +#include "hw/misc/unimp.h" > +#include "hw/char/cmsdk-apb-uart.h" > +#include "hw/timer/cmsdk-apb-timer.h" > +#include "hw/misc/mps2-scc.h" > +#include "hw/misc/mps2-fpgaio.h" > +#include "hw/arm/iotkit.h" > +#include "hw/devices.h" > +#include "net/net.h" > +#include "hw/core/split-irq.h" > + > +typedef enum MPS2TZFPGAType { > + FPGA_AN505, > +} MPS2TZFPGAType; > + > +typedef struct { > + MachineClass parent; > + MPS2TZFPGAType fpga_type; > + const char *cpu_model; I don't see it used in this patch, should it be removed? > + uint32_t scc_id; > +} MPS2TZMachineClass; > + [...]