include/hw/arm/virt.h

   1 /*
   2  *
   3  * Copyright (c) 2015 Linaro Limited
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2 or later, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  * Emulate a virtual board which works by passing Linux all the information
  18  * it needs about what devices are present via the device tree.
  19  * There are some restrictions about what we can do here:
  20  *  + we can only present devices whose Linux drivers will work based
  21  *    purely on the device tree with no platform data at all
  22  *  + we want to present a very stripped-down minimalist platform,
  23  *    both because this reduces the security attack surface from the guest
  24  *    and also because it reduces our exposure to being broken when
  25  *    the kernel updates its device tree bindings and requires further
  26  *    information in a device binding that we aren't providing.
  27  * This is essentially the same approach kvmtool uses.
  28  */
  29
  30 #ifndef QEMU_ARM_VIRT_H
  31 #define QEMU_ARM_VIRT_H
  32
  33 #include "qemu-common.h"
  34 #include "exec/hwaddr.h"
  35
  36 #define NUM_GICV2M_SPIS       64
  37 #define NUM_VIRTIO_TRANSPORTS 32
  38
  39 #define ARCH_TIMER_VIRT_IRQ   11
  40 #define ARCH_TIMER_S_EL1_IRQ  13
  41 #define ARCH_TIMER_NS_EL1_IRQ 14
  42 #define ARCH_TIMER_NS_EL2_IRQ 10
  43
  44 #define VIRTUAL_PMU_IRQ 7
  45
  46 #define PPI(irq) ((irq) + 16)
  47
  48 enum {
  49     VIRT_FLASH,
  50     VIRT_MEM,
  51     VIRT_CPUPERIPHS,
  52     VIRT_GIC_DIST,
  53     VIRT_GIC_CPU,
  54     VIRT_GIC_V2M,
  55     VIRT_GIC_ITS,
  56     VIRT_GIC_REDIST,
  57     VIRT_UART,
  58     VIRT_MMIO,
  59     VIRT_RTC,
  60     VIRT_FW_CFG,
  61     VIRT_PCIE,
  62     VIRT_PCIE_MMIO,
  63     VIRT_PCIE_PIO,
  64     VIRT_PCIE_ECAM,
  65     VIRT_PLATFORM_BUS,
  66     VIRT_PCIE_MMIO_HIGH,
  67     VIRT_GPIO,
  68     VIRT_SECURE_UART,
  69     VIRT_SECURE_MEM,
  70 };
  71
  72 typedef struct MemMapEntry {
  73     hwaddr base;
  74     hwaddr size;
  75 } MemMapEntry;
  76
  77
  78 #endif