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-rw-r--r--hw/hppa/machine.c5
-rw-r--r--hw/ppc/rs6000_mc.c15
-rw-r--r--hw/sparc64/niagara.c25
-rw-r--r--hw/xtensa/Kconfig6
-rw-r--r--hw/xtensa/Makefile.objs1
-rw-r--r--hw/xtensa/sim.c41
-rw-r--r--hw/xtensa/virt.c135
-rw-r--r--hw/xtensa/xtensa_sim.h34
8 files changed, 227 insertions, 35 deletions
diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c
index 7e23675429..953d454f48 100644
--- a/hw/hppa/machine.c
+++ b/hw/hppa/machine.c
@@ -161,9 +161,8 @@ static void machine_hppa_init(MachineState *machine)
     g_free(firmware_filename);
 
     rom_region = g_new(MemoryRegion, 1);
-    memory_region_allocate_system_memory(rom_region, OBJECT(machine),
-                                         "firmware",
-                                         (FIRMWARE_END - FIRMWARE_START));
+    memory_region_init_ram(rom_region, NULL, "firmware",
+                           (FIRMWARE_END - FIRMWARE_START), &error_fatal);
     memory_region_add_subregion(addr_space, FIRMWARE_START, rom_region);
 
     /* Load kernel */
diff --git a/hw/ppc/rs6000_mc.c b/hw/ppc/rs6000_mc.c
index df7c0006fc..66b14db5fa 100644
--- a/hw/ppc/rs6000_mc.c
+++ b/hw/ppc/rs6000_mc.c
@@ -144,6 +144,7 @@ static void rs6000mc_realize(DeviceState *dev, Error **errp)
     RS6000MCState *s = RS6000MC_DEVICE(dev);
     int socket = 0;
     unsigned int ram_size = s->ram_size / MiB;
+    Error *local_err = NULL;
 
     while (socket < 6) {
         if (ram_size >= 64) {
@@ -165,19 +166,21 @@ static void rs6000mc_realize(DeviceState *dev, Error **errp)
         if (s->simm_size[socket]) {
             char name[] = "simm.?";
             name[5] = socket + '0';
-            memory_region_allocate_system_memory(&s->simm[socket], OBJECT(dev),
-                                                 name,
-                                                 s->simm_size[socket] * MiB);
+            memory_region_init_ram(&s->simm[socket], OBJECT(dev), name,
+                                   s->simm_size[socket] * MiB, &local_err);
+            if (local_err) {
+                goto out;
+            }
             memory_region_add_subregion_overlap(get_system_memory(), 0,
                                                 &s->simm[socket], socket);
         }
     }
     if (ram_size) {
         /* unable to push all requested RAM in SIMMs */
-        error_setg(errp, "RAM size incompatible with this board. "
+        error_setg(&local_err, "RAM size incompatible with this board. "
                    "Try again with something else, like %" PRId64 " MB",
                    s->ram_size / MiB - ram_size);
-        return;
+        goto out;
     }
 
     if (s->autoconfigure) {
@@ -193,6 +196,8 @@ static void rs6000mc_realize(DeviceState *dev, Error **errp)
 
     isa_register_portio_list(ISA_DEVICE(dev), &s->portio, 0x0,
                              rs6000mc_port_list, s, "rs6000mc");
+out:
+    error_propagate(errp, local_err);
 }
 
 static const VMStateDescription vmstate_rs6000mc = {
diff --git a/hw/sparc64/niagara.c b/hw/sparc64/niagara.c
index 167143bffe..5987693659 100644
--- a/hw/sparc64/niagara.c
+++ b/hw/sparc64/niagara.c
@@ -36,6 +36,7 @@
 #include "qemu/error-report.h"
 #include "sysemu/qtest.h"
 #include "sysemu/sysemu.h"
+#include "qapi/error.h"
 
 typedef struct NiagaraBoardState {
     MemoryRegion hv_ram;
@@ -106,8 +107,8 @@ static void niagara_init(MachineState *machine)
     /* init CPUs */
     sparc64_cpu_devinit(machine->cpu_type, NIAGARA_PROM_BASE);
     /* set up devices */
-    memory_region_allocate_system_memory(&s->hv_ram, NULL, "sun4v-hv.ram",
-                                         NIAGARA_HV_RAM_SIZE);
+    memory_region_init_ram(&s->hv_ram, NULL, "sun4v-hv.ram",
+                           NIAGARA_HV_RAM_SIZE, &error_fatal);
     memory_region_add_subregion(sysmem, NIAGARA_HV_RAM_BASE, &s->hv_ram);
 
     memory_region_allocate_system_memory(&s->partition_ram, NULL,
@@ -116,17 +117,17 @@ static void niagara_init(MachineState *machine)
     memory_region_add_subregion(sysmem, NIAGARA_PARTITION_RAM_BASE,
                                 &s->partition_ram);
 
-    memory_region_allocate_system_memory(&s->nvram, NULL,
-                                         "sun4v.nvram", NIAGARA_NVRAM_SIZE);
+    memory_region_init_ram(&s->nvram, NULL, "sun4v.nvram", NIAGARA_NVRAM_SIZE,
+                           &error_fatal);
     memory_region_add_subregion(sysmem, NIAGARA_NVRAM_BASE, &s->nvram);
-    memory_region_allocate_system_memory(&s->md_rom, NULL,
-                                         "sun4v-md.rom", NIAGARA_MD_ROM_SIZE);
+    memory_region_init_ram(&s->md_rom, NULL, "sun4v-md.rom",
+                           NIAGARA_MD_ROM_SIZE, &error_fatal);
     memory_region_add_subregion(sysmem, NIAGARA_MD_ROM_BASE, &s->md_rom);
-    memory_region_allocate_system_memory(&s->hv_rom, NULL,
-                                         "sun4v-hv.rom", NIAGARA_HV_ROM_SIZE);
+    memory_region_init_ram(&s->hv_rom, NULL, "sun4v-hv.rom",
+                           NIAGARA_HV_ROM_SIZE, &error_fatal);
     memory_region_add_subregion(sysmem, NIAGARA_HV_ROM_BASE, &s->hv_rom);
-    memory_region_allocate_system_memory(&s->prom, NULL,
-                                         "sun4v.prom", PROM_SIZE_MAX);
+    memory_region_init_ram(&s->prom, NULL, "sun4v.prom", PROM_SIZE_MAX,
+                           &error_fatal);
     memory_region_add_subregion(sysmem, NIAGARA_PROM_BASE, &s->prom);
 
     add_rom_or_fail("nvram1", NIAGARA_NVRAM_BASE);
@@ -143,8 +144,8 @@ static void niagara_init(MachineState *machine)
         BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
         int size = blk_getlength(blk);
         if (size > 0) {
-            memory_region_allocate_system_memory(&s->vdisk_ram, NULL,
-                                                 "sun4v_vdisk.ram", size);
+            memory_region_init_ram(&s->vdisk_ram, NULL, "sun4v_vdisk.ram", size,
+                                   &error_fatal);
             memory_region_add_subregion(get_system_memory(),
                                         NIAGARA_VDISK_BASE, &s->vdisk_ram);
             dinfo->is_default = 1;
diff --git a/hw/xtensa/Kconfig b/hw/xtensa/Kconfig
index d72817d012..0740657ea5 100644
--- a/hw/xtensa/Kconfig
+++ b/hw/xtensa/Kconfig
@@ -1,6 +1,12 @@
 config XTENSA_SIM
     bool
 
+config XTENSA_VIRT
+    bool
+    select XTENSA_SIM
+    select PCI_EXPRESS_GENERIC_BRIDGE
+    select PCI_DEVICES
+
 config XTENSA_XTFPGA
     bool
     select OPENCORES_ETH
diff --git a/hw/xtensa/Makefile.objs b/hw/xtensa/Makefile.objs
index 0bbfccd6de..2b40e1b60a 100644
--- a/hw/xtensa/Makefile.objs
+++ b/hw/xtensa/Makefile.objs
@@ -2,4 +2,5 @@ obj-y += mx_pic.o
 obj-y += pic_cpu.o
 obj-y += xtensa_memory.o
 obj-$(CONFIG_XTENSA_SIM) += sim.o
+obj-$(CONFIG_XTENSA_VIRT) += virt.o
 obj-$(CONFIG_XTENSA_XTFPGA) += xtfpga.o
diff --git a/hw/xtensa/sim.c b/hw/xtensa/sim.c
index 981dbb7bbe..a22743a3d6 100644
--- a/hw/xtensa/sim.c
+++ b/hw/xtensa/sim.c
@@ -37,6 +37,7 @@
 #include "exec/address-spaces.h"
 #include "qemu/error-report.h"
 #include "xtensa_memory.h"
+#include "xtensa_sim.h"
 
 static uint64_t translate_phys_addr(void *opaque, uint64_t addr)
 {
@@ -52,12 +53,11 @@ static void sim_reset(void *opaque)
     cpu_reset(CPU(cpu));
 }
 
-static void xtensa_sim_init(MachineState *machine)
+XtensaCPU *xtensa_sim_common_init(MachineState *machine)
 {
     XtensaCPU *cpu = NULL;
     CPUXtensaState *env = NULL;
     ram_addr_t ram_size = machine->ram_size;
-    const char *kernel_filename = machine->kernel_filename;
     int n;
 
     for (n = 0; n < machine->smp.cpus; n++) {
@@ -89,30 +89,41 @@ static void xtensa_sim_init(MachineState *machine)
         xtensa_create_memory_regions(&sysram, "xtensa.sysram",
                                      get_system_memory());
     }
-
     if (serial_hd(0)) {
         xtensa_sim_open_console(serial_hd(0));
     }
-    if (kernel_filename) {
-        uint64_t elf_entry;
-        uint64_t elf_lowaddr;
+    return cpu;
+}
+
+void xtensa_sim_load_kernel(XtensaCPU *cpu, MachineState *machine)
+{
+    const char *kernel_filename = machine->kernel_filename;
 #ifdef TARGET_WORDS_BIGENDIAN
-        int success = load_elf(kernel_filename, NULL,
-                               translate_phys_addr, cpu,
-                               &elf_entry, &elf_lowaddr,
-                               NULL, 1, EM_XTENSA, 0, 0);
+    int big_endian = true;
 #else
-        int success = load_elf(kernel_filename, NULL,
-                               translate_phys_addr, cpu,
-                               &elf_entry, &elf_lowaddr,
-                               NULL, 0, EM_XTENSA, 0, 0);
+    int big_endian = false;
 #endif
+
+    if (kernel_filename) {
+        uint64_t elf_entry;
+        uint64_t elf_lowaddr;
+        int success = load_elf(kernel_filename, NULL, translate_phys_addr, cpu,
+                               &elf_entry, &elf_lowaddr, NULL, big_endian,
+                               EM_XTENSA, 0, 0);
+
         if (success > 0) {
-            env->pc = elf_entry;
+            cpu->env.pc = elf_entry;
         }
     }
 }
 
+static void xtensa_sim_init(MachineState *machine)
+{
+    XtensaCPU *cpu = xtensa_sim_common_init(machine);
+
+    xtensa_sim_load_kernel(cpu, machine);
+}
+
 static void xtensa_sim_machine_init(MachineClass *mc)
 {
     mc->desc = "sim machine (" XTENSA_DEFAULT_CPU_MODEL ")";
diff --git a/hw/xtensa/virt.c b/hw/xtensa/virt.c
new file mode 100644
index 0000000000..b22dcf938a
--- /dev/null
+++ b/hw/xtensa/virt.c
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2019, Max Filippov, Open Source and Linux Lab.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the Open Source and Linux Lab nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "cpu.h"
+#include "sysemu/reset.h"
+#include "sysemu/sysemu.h"
+#include "hw/boards.h"
+#include "hw/loader.h"
+#include "hw/pci-host/gpex.h"
+#include "net/net.h"
+#include "elf.h"
+#include "exec/memory.h"
+#include "exec/address-spaces.h"
+#include "qemu/error-report.h"
+#include "xtensa_memory.h"
+#include "xtensa_sim.h"
+
+static void create_pcie(CPUXtensaState *env, int irq_base, hwaddr addr_base)
+{
+    hwaddr base_ecam = addr_base + 0x00100000;
+    hwaddr size_ecam =             0x03f00000;
+    hwaddr base_pio  = addr_base + 0x00000000;
+    hwaddr size_pio  =             0x00010000;
+    hwaddr base_mmio = addr_base + 0x04000000;
+    hwaddr size_mmio =             0x08000000;
+
+    MemoryRegion *ecam_alias;
+    MemoryRegion *ecam_reg;
+    MemoryRegion *pio_alias;
+    MemoryRegion *pio_reg;
+    MemoryRegion *mmio_alias;
+    MemoryRegion *mmio_reg;
+
+    DeviceState *dev;
+    PCIHostState *pci;
+    qemu_irq *extints;
+    int i;
+
+    dev = qdev_create(NULL, TYPE_GPEX_HOST);
+    qdev_init_nofail(dev);
+
+    /* Map only the first size_ecam bytes of ECAM space. */
+    ecam_alias = g_new0(MemoryRegion, 1);
+    ecam_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
+    memory_region_init_alias(ecam_alias, OBJECT(dev), "pcie-ecam",
+                             ecam_reg, 0, size_ecam);
+    memory_region_add_subregion(get_system_memory(), base_ecam, ecam_alias);
+
+    /*
+     * Map the MMIO window into system address space so as to expose
+     * the section of PCI MMIO space which starts at the same base address
+     * (ie 1:1 mapping for that part of PCI MMIO space visible through
+     * the window).
+     */
+    mmio_alias = g_new0(MemoryRegion, 1);
+    mmio_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1);
+    memory_region_init_alias(mmio_alias, OBJECT(dev), "pcie-mmio",
+                             mmio_reg, base_mmio, size_mmio);
+    memory_region_add_subregion(get_system_memory(), base_mmio, mmio_alias);
+
+    /* Map IO port space. */
+    pio_alias = g_new0(MemoryRegion, 1);
+    pio_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 2);
+    memory_region_init_alias(pio_alias, OBJECT(dev), "pcie-pio",
+                             pio_reg, 0, size_pio);
+    memory_region_add_subregion(get_system_memory(), base_pio, pio_alias);
+
+    /* Connect IRQ lines. */
+    extints = xtensa_get_extints(env);
+
+    for (i = 0; i < GPEX_NUM_IRQS; i++) {
+        void *q = extints[irq_base + i];
+
+        sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, q);
+        gpex_set_irq_num(GPEX_HOST(dev), i, irq_base + i);
+    }
+
+    pci = PCI_HOST_BRIDGE(dev);
+    if (pci->bus) {
+        for (i = 0; i < nb_nics; i++) {
+            NICInfo *nd = &nd_table[i];
+
+            if (!nd->model) {
+                nd->model = g_strdup("virtio");
+            }
+
+            pci_nic_init_nofail(nd, pci->bus, nd->model, NULL);
+        }
+    }
+}
+
+static void xtensa_virt_init(MachineState *machine)
+{
+    XtensaCPU *cpu = xtensa_sim_common_init(machine);
+    CPUXtensaState *env = &cpu->env;
+
+    create_pcie(env, 0, 0xf0000000);
+    xtensa_sim_load_kernel(cpu, machine);
+}
+
+static void xtensa_virt_machine_init(MachineClass *mc)
+{
+    mc->desc = "virt machine (" XTENSA_DEFAULT_CPU_MODEL ")";
+    mc->init = xtensa_virt_init;
+    mc->max_cpus = 32;
+    mc->default_cpu_type = XTENSA_DEFAULT_CPU_TYPE;
+}
+
+DEFINE_MACHINE("virt", xtensa_virt_machine_init)
diff --git a/hw/xtensa/xtensa_sim.h b/hw/xtensa/xtensa_sim.h
new file mode 100644
index 0000000000..bdc92f3d2c
--- /dev/null
+++ b/hw/xtensa/xtensa_sim.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2019, Max Filippov, Open Source and Linux Lab.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the Open Source and Linux Lab nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef XTENSA_SIM_H
+#define XTENSA_SIM_H
+
+XtensaCPU *xtensa_sim_common_init(MachineState *machine);
+void xtensa_sim_load_kernel(XtensaCPU *cpu, MachineState *machine);
+
+#endif