Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 85 insertions, 0 deletions

diff --git a/hw/sh4/shix.c b/hw/sh4/shix.c
new file mode 100644
index 000000000..aa812512f
--- /dev/null
+++ b/hw/sh4/shix.c
@@ -0,0 +1,85 @@
+/*
+ * SHIX 2.0 board description
+ *
+ * Copyright (c) 2005 Samuel Tardieu
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+/*
+ * Shix 2.0 board by Alexis Polti, described at
+ * https://web.archive.org/web/20070917001736/perso.enst.fr/~polti/realisations/shix20
+ *
+ * More information in target/sh4/README.sh4
+ */
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "cpu.h"
+#include "hw/sh4/sh.h"
+#include "sysemu/qtest.h"
+#include "hw/boards.h"
+#include "hw/loader.h"
+#include "qemu/error-report.h"
+
+#define BIOS_FILENAME "shix_bios.bin"
+#define BIOS_ADDRESS 0xA0000000
+
+static void shix_init(MachineState *machine)
+{
+    int ret;
+    SuperHCPU *cpu;
+    struct SH7750State *s;
+    MemoryRegion *sysmem = get_system_memory();
+    MemoryRegion *rom = g_new(MemoryRegion, 1);
+    MemoryRegion *sdram = g_new(MemoryRegion, 2);
+    const char *bios_name = machine->firmware ?: BIOS_FILENAME;
+
+    cpu = SUPERH_CPU(cpu_create(machine->cpu_type));
+
+    /* Allocate memory space */
+    memory_region_init_rom(rom, NULL, "shix.rom", 0x4000, &error_fatal);
+    memory_region_add_subregion(sysmem, 0x00000000, rom);
+    memory_region_init_ram(&sdram[0], NULL, "shix.sdram1", 0x01000000,
+                           &error_fatal);
+    memory_region_add_subregion(sysmem, 0x08000000, &sdram[0]);
+    memory_region_init_ram(&sdram[1], NULL, "shix.sdram2", 0x01000000,
+                           &error_fatal);
+    memory_region_add_subregion(sysmem, 0x0c000000, &sdram[1]);
+
+    /* Load BIOS in 0 (and access it through P2, 0xA0000000) */
+    ret = load_image_targphys(bios_name, 0, 0x4000);
+    if (ret < 0 && !qtest_enabled()) {
+        error_report("Could not load SHIX bios '%s'", bios_name);
+        exit(1);
+    }
+
+    /* Register peripherals */
+    s = sh7750_init(cpu, sysmem);
+    /* XXXXX Check success */
+    tc58128_init(s, "shix_linux_nand.bin", NULL);
+}
+
+static void shix_machine_init(MachineClass *mc)
+{
+    mc->desc = "shix card";
+    mc->init = shix_init;
+    mc->is_default = true;
+    mc->default_cpu_type = TYPE_SH7750R_CPU;
+}
+
+DEFINE_MACHINE("shix", shix_machine_init)