diff options
| -rw-r--r-- | hw/arm/virt.c | 21 | ||||
| -rw-r--r-- | include/hw/arm/virt.h | 56 |
2 files changed, 57 insertions, 20 deletions
diff --git a/hw/arm/virt.c b/hw/arm/virt.c index a7f9a10..8959d0c 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -31,6 +31,7 @@ #include "hw/sysbus.h" #include "hw/arm/arm.h" #include "hw/arm/primecell.h" +#include "hw/arm/virt.h" #include "hw/devices.h" #include "net/net.h" #include "sysemu/block-backend.h" @@ -44,8 +45,6 @@ #include "qemu/error-report.h" #include "hw/pci-host/gpex.h" -#define NUM_VIRTIO_TRANSPORTS 32 - /* Number of external interrupt lines to configure the GIC with */ #define NUM_IRQS 128 @@ -60,24 +59,6 @@ #define GIC_FDT_IRQ_PPI_CPU_START 8 #define GIC_FDT_IRQ_PPI_CPU_WIDTH 8 -enum { - VIRT_FLASH, - VIRT_MEM, - VIRT_CPUPERIPHS, - VIRT_GIC_DIST, - VIRT_GIC_CPU, - VIRT_UART, - VIRT_MMIO, - VIRT_RTC, - VIRT_FW_CFG, - VIRT_PCIE, -}; - -typedef struct MemMapEntry { - hwaddr base; - hwaddr size; -} MemMapEntry; - typedef struct VirtBoardInfo { struct arm_boot_info bootinfo; const char *cpu_model; diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h new file mode 100644 index 0000000..2fe0d2e --- /dev/null +++ b/include/hw/arm/virt.h @@ -0,0 +1,56 @@ +/* + * + * Copyright (c) 2015 Linaro Limited + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + * + * Emulate a virtual board which works by passing Linux all the information + * it needs about what devices are present via the device tree. + * There are some restrictions about what we can do here: + * + we can only present devices whose Linux drivers will work based + * purely on the device tree with no platform data at all + * + we want to present a very stripped-down minimalist platform, + * both because this reduces the security attack surface from the guest + * and also because it reduces our exposure to being broken when + * the kernel updates its device tree bindings and requires further + * information in a device binding that we aren't providing. + * This is essentially the same approach kvmtool uses. + */ + +#ifndef QEMU_ARM_VIRT_H +#define QEMU_ARM_VIRT_H + +#include "qemu-common.h" + +#define NUM_VIRTIO_TRANSPORTS 32 + +enum { + VIRT_FLASH, + VIRT_MEM, + VIRT_CPUPERIPHS, + VIRT_GIC_DIST, + VIRT_GIC_CPU, + VIRT_UART, + VIRT_MMIO, + VIRT_RTC, + VIRT_FW_CFG, + VIRT_PCIE, +}; + +typedef struct MemMapEntry { + hwaddr base; + hwaddr size; +} MemMapEntry; + + +#endif |