bsps/aarch64: Add Xen BSP

bsps/aarch64/xen/console/console.c

@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64Xen
+ *
+ * @brief This source file contains the console configuration.
+ */
+
+/*
+ * Copyright (C) 2025 On-Line Applications Research Corporation (OAR)
+ * Written by Kinsey Moore <kinsey.moore@oarcorp.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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 COPYRIGHT OWNER OR CONTRIBUTORS 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 <rtems/bspIo.h>
+
+#include <bsp.h>
+#include <dev/serial/arm-pl011.h>
+#include <bsp/console-termios.h>
+#include <bsp/irq-generic.h>
+
+#include <bspopts.h>
+
+arm_pl011_context xen_vpl011_context = {
+  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("PL011"),
+  .regs = (arm_pl011_uart *) BSP_XEN_VPL011_BASE,
+  .irq = BSP_XEN_VPL011_SPI,
+  .initial_baud = 115200,
+  .clock = 24000000
+};
+
+const console_device console_device_table[] = {
+  {
+    .device_file = "/dev/ttyS0",
+    .probe = console_device_probe_default,
+    .handler = &arm_pl011_fns,
+    .context = &xen_vpl011_context.base
+  }
+};
+
+const size_t console_device_count = RTEMS_ARRAY_SIZE(console_device_table);
+
+static void output_char( char c )
+{
+  arm_pl011_write_polled(&xen_vpl011_context.base, c);
+}
+
+BSP_output_char_function_type BSP_output_char = output_char;
+
+BSP_polling_getchar_function_type BSP_poll_char = NULL;

bsps/aarch64/xen/include/bsp.h

@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64Xen
+ *
+ * @brief This source file contains the base BSP definitions.
+ */
+
+/*
+ * Copyright (C) 2025 On-Line Applications Research Corporation (OAR)
+ * Written by Kinsey Moore <kinsey.moore@oarcorp.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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 COPYRIGHT OWNER OR CONTRIBUTORS 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 LIBBSP_AARCH64_XEN_BSP_H
+#define LIBBSP_AARCH64_XEN_BSP_H
+
+/**
+ * @addtogroup RTEMSBSPsARM
+ *
+ * @{
+ */
+
+#include <bspopts.h>
+
+#define BSP_FEATURE_IRQ_EXTENSION
+
+#define BSP_START_IMAGE_HEADER_LOAD_OFFSET BSP_XEN_LOAD_OFFSET
+
+#ifndef ASM
+
+#include <bsp/default-initial-extension.h>
+#include <bsp/start.h>
+
+#include <rtems.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define BSP_ARM_GIC_CPUIF_BASE 0x03002000
+#define BSP_ARM_GIC_CPUIF_LENGTH 0x2000
+
+#define BSP_ARM_GIC_DIST_BASE 0x03001000
+#define BSP_ARM_GIC_DIST_LENGTH 0x1000
+
+#define BSP_XEN_VPL011_BASE 0x22000000
+#define BSP_XEN_VPL011_LENGTH 0x1000
+
+BSP_START_TEXT_SECTION void xen_setup_mmu_and_cache( void );
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* ASM */
+
+/** @} */
+
+#endif /* LIBBSP_AARCH64_XEN_BSP_H */

bsps/aarch64/xen/include/bsp/irq.h

@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64Xen
+ *
+ * @brief This source file contains the BSP IRQ definitions.
+ */
+
+/*
+ * Copyright (C) 2025 On-Line Applications Research Corporation (OAR)
+ * Written by Kinsey Moore <kinsey.moore@oarcorp.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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 COPYRIGHT OWNER OR CONTRIBUTORS 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 LIBBSP_AARCH64_XEN_IRQ_H
+#define LIBBSP_AARCH64_XEN_IRQ_H
+
+#ifndef ASM
+
+#include <rtems/irq.h>
+#include <rtems/irq-extension.h>
+
+#include <dev/irq/arm-gic-irq.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define BSP_INTERRUPT_VECTOR_COUNT 1019
+
+#define BSP_TIMER_VIRT_PPI 27
+#define BSP_TIMER_PHYS_S_PPI 29
+#define BSP_TIMER_PHYS_NS_PPI 30
+#define BSP_XEN_EVTCHN_PPI 31
+#define BSP_XEN_VPL011_SPI 32
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* ASM */
+
+#endif /* LIBBSP_AARCH64_XEN_IRQ_H */

bsps/aarch64/xen/include/tm27.h

@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64Xen
+ *
+ * @brief This source file contains the TM27 test definitions.
+ */
+
+/*
+ * Copyright (C) 2025 On-Line Applications Research Corporation (OAR)
+ * Written by Kinsey Moore <kinsey.moore@oarcorp.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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 COPYRIGHT OWNER OR CONTRIBUTORS 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 _RTEMS_TMTEST27
+#error "This is an RTEMS internal file you must not include directly."
+#endif
+
+#ifndef __tm27_h
+#define __tm27_h
+
+#include <dev/irq/arm-gic-tm27.h>
+
+#endif /* __tm27_h */

bsps/aarch64/xen/start/bspstart.c

@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64Xen
+ *
+ * @brief This source file contains the implementation of start hooks.
+ */
+
+/*
+ * Copyright (C) 2025 On-Line Applications Research Corporation (OAR)
+ * Written by Kinsey Moore <kinsey.moore@oarcorp.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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 COPYRIGHT OWNER OR CONTRIBUTORS 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 <bsp.h>
+#include <bsp/bootcard.h>
+#include <bsp/irq-generic.h>
+#include <bsp/linker-symbols.h>
+#include <dev/clock/arm-generic-timer.h>
+
+#include <rtems/score/aarch64-system-registers.h>
+
+void bsp_start( void )
+{
+  bsp_interrupt_initialize();
+  rtems_cache_coherent_add_area(
+    bsp_section_nocacheheap_begin,
+    (uintptr_t) bsp_section_nocacheheap_size
+  );
+}

bsps/aarch64/xen/start/bspstarthooks.c

@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64Xen
+ *
+ * @brief This source file contains the implementation of start hooks.
+ */
+
+/*
+ * Copyright (C) 2025 On-Line Applications Research Corporation (OAR)
+ * Written by Kinsey Moore <kinsey.moore@oarcorp.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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 COPYRIGHT OWNER OR CONTRIBUTORS 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 <bsp.h>
+#include <bsp/start.h>
+
+BSP_START_TEXT_SECTION void bsp_start_hook_1( void )
+{
+  AArch64_start_set_vector_base();
+  xen_setup_mmu_and_cache();
+  bsp_start_clear_bss();
+}

bsps/aarch64/xen/start/bspstartmmu.c

@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64Xen
+ *
+ * @brief This source file contains the default MMU tables and setup.
+ */
+
+/*
+ * Copyright (C) 2025 On-Line Applications Research Corporation (OAR)
+ * Written by Kinsey Moore <kinsey.moore@oarcorp.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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 COPYRIGHT OWNER OR CONTRIBUTORS 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 <bsp.h>
+#include <bsp/aarch64-mmu.h>
+#include <libcpu/mmu-vmsav8-64.h>
+
+#include <rtems/malloc.h>
+#include <rtems/sysinit.h>
+
+BSP_START_TEXT_SECTION void
+xen_setup_mmu_and_cache( void )
+{
+  aarch64_mmu_control *control = &aarch64_mmu_instance;
+
+  aarch64_mmu_setup();
+
+  aarch64_mmu_setup_translation_table(
+    control,
+    &aarch64_mmu_config_table[ 0 ],
+    aarch64_mmu_config_table_size
+  );
+
+  aarch64_mmu_enable( control );
+}

bsps/aarch64/xen/start/mmu-config.c

@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64Xen
+ *
+ * @brief This source file contains the definition of ::aarch64_mmu_config_table
+ *   and ::aarch64_mmu_config_table_size.
+ */
+
+/*
+ * Copyright (C) 2025 On-Line Applications Research Corporation (OAR)
+ * Written by Kinsey Moore <kinsey.moore@oarcorp.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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 COPYRIGHT OWNER OR CONTRIBUTORS 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 <bsp.h>
+#include <bsp/aarch64-mmu.h>
+#include <bsp/start.h>
+#include <libcpu/mmu-vmsav8-64.h>
+
+BSP_START_DATA_SECTION const aarch64_mmu_config_entry
+aarch64_mmu_config_table[] = {
+  AARCH64_MMU_DEFAULT_SECTIONS,
+  {
+    .begin = 0xf9000000U,
+    .end = 0xf9100000U,
+    .flags = AARCH64_MMU_DEVICE
+  }, {
+    .begin = 0xfd000000U,
+    .end = 0xffc00000U,
+    .flags = AARCH64_MMU_DEVICE
+  }, {
+    .begin = BSP_XEN_VPL011_BASE,
+    .end = BSP_XEN_VPL011_BASE + BSP_XEN_VPL011_LENGTH,
+    .flags = AARCH64_MMU_DEVICE
+  }, {
+    .begin = BSP_ARM_GIC_CPUIF_BASE,
+    .end = BSP_ARM_GIC_CPUIF_BASE + BSP_ARM_GIC_CPUIF_LENGTH,
+    .flags = AARCH64_MMU_DEVICE
+  }, {
+    .begin = BSP_ARM_GIC_DIST_BASE,
+    .end = BSP_ARM_GIC_DIST_BASE + BSP_ARM_GIC_DIST_LENGTH,
+    .flags = AARCH64_MMU_DEVICE
+  }
+};
+
+BSP_START_DATA_SECTION const size_t aarch64_mmu_config_table_size =
+  RTEMS_ARRAY_SIZE(aarch64_mmu_config_table);

spec/build/bsps/aarch64/optstartel3.yml

@@ -6,7 +6,9 @@ build-type: option
 copyrights:
 - Copyright (C) 2024 embedded brains GmbH & Co. KG
 default:
-- enabled-by: bsps/aarch64/xilinx-zynqmp
+- enabled-by:
+  - bsps/aarch64/xilinx-zynqmp
+  - bsps/aarch64/xen
   value: false
 - enabled-by: true
   value: true

spec/build/bsps/aarch64/xen/abi.yml

@@ -0,0 +1,21 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-string: null
+- split: null
+- env-append: null
+build-type: option
+copyrights:
+- Copyright (C) 2025 On-Line Applications Research (OAR)
+default:
+- enabled-by: true
+  value:
+  - -mno-outline-atomics
+  - -mcpu=cortex-a53
+  - -mfix-cortex-a53-835769
+  - -mfix-cortex-a53-843419
+description: |
+  ABI flags
+enabled-by: true
+links: []
+name: ABI_FLAGS
+type: build

spec/build/bsps/aarch64/xen/bspxen.yml

@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+arch: aarch64
+bsp: xen
+build-type: bsp
+cflags: []
+copyrights:
+- Copyright (C) 2025 On-Line Applications Research
+cppflags: []
+enabled-by: true
+family: xen
+includes: []
+install: []
+links:
+- role: build-dependency
+  uid: grp
+- role: build-dependency
+  uid: linkcmds
+source: []
+type: build

spec/build/bsps/aarch64/xen/grp.yml

@@ -0,0 +1,61 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+build-type: group
+cflags: []
+copyrights:
+- Copyright (C) 2025 On-Line Applications Research (OAR)
+cppflags: []
+cxxflags: []
+enabled-by: true
+includes: []
+install: []
+ldflags: []
+links:
+- role: build-dependency
+  uid: abi
+- role: build-dependency
+  uid: obj
+- role: build-dependency
+  uid: optloadoff
+- role: build-dependency
+  uid: optnocachelen
+- role: build-dependency
+  uid: optramlen
+- role: build-dependency
+  uid: optramori
+- role: build-dependency
+  uid: ../../optgentmunmask
+- role: build-dependency
+  uid: ../optimghdr
+- role: build-dependency
+  uid: ../grp
+- role: build-dependency
+  uid: ../objclockarmgenerictimer
+- role: build-dependency
+  uid: ../optgtusevirt
+- role: build-dependency
+  uid: ../optmmupabits
+- role: build-dependency
+  uid: ../optmmupages
+- role: build-dependency
+  uid: ../start
+- role: build-dependency
+  uid: ../../bspopts
+- role: build-dependency
+  uid: ../../dev/irq/objarmgicv2
+- role: build-dependency
+  uid: ../../obj
+- role: build-dependency
+  uid: ../../objirq
+- role: build-dependency
+  uid: ../../objmem
+- role: build-dependency
+  uid: ../../optcachedata
+- role: build-dependency
+  uid: ../../optcacheinst
+- role: build-dependency
+  uid: ../../opto2
+- role: build-dependency
+  uid: ../../objdevserialarmpl011
+type: build
+use-after: []
+use-before: []

spec/build/bsps/aarch64/xen/linkcmds.yml

@@ -0,0 +1,94 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+build-type: config-file
+content: |
+  /* SPDX-License-Identifier: BSD-2-Clause */
+
+  /*
+   * Copyright (C) 2025 On-Line Applications Research Corporation (OAR)
+   * Written by Kinsey Moore <kinsey.moore@oarcorp.com>
+   *
+   * Redistribution and use in source and binary forms, with or without
+   * modification, are permitted provided that the following conditions
+   * are met:
+   * 1. Redistributions of source code must retain the above copyright
+   *    notice, this list of conditions and the following disclaimer.
+   * 2. 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.
+   *
+   * 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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
+   */
+
+  DDRMC_REGION_0_BASE = 0x00000000000;
+  DDRMC_REGION_0_LENGTH = 0x00080000000;
+
+  BSP_RAM_BASE = ${BSP_XEN_RAM_BASE};
+
+  BSP_R0_RAM_BASE = DDRMC_REGION_0_BASE;
+  BSP_R0_RAM_LENGTH =
+     ${BSP_XEN_RAM_LENGTH} >= DDRMC_REGION_0_LENGTH ?
+         DDRMC_REGION_0_LENGTH - BSP_RAM_BASE : ${BSP_XEN_RAM_LENGTH};
+  BSP_R0_RAM_END = BSP_RAM_BASE + BSP_R0_RAM_LENGTH;
+
+  AARCH64_MMU_TT_PAGES_SIZE = 0x1000 * ${AARCH64_MMU_TRANSLATION_TABLE_PAGES};
+
+  MEMORY {
+    RAM       : ORIGIN = BSP_RAM_BASE + ${BSP_XEN_LOAD_OFFSET},
+                LENGTH = BSP_R0_RAM_LENGTH - ${BSP_XEN_LOAD_OFFSET} - ${BSP_XEN_NOCACHE_LENGTH} - AARCH64_MMU_TT_PAGES_SIZE
+    NOCACHE   : ORIGIN = BSP_RAM_BASE + BSP_R0_RAM_LENGTH - AARCH64_MMU_TT_PAGES_SIZE - ${BSP_XEN_NOCACHE_LENGTH},
+                LENGTH = ${BSP_XEN_NOCACHE_LENGTH}
+    RAM_MMU   : ORIGIN = BSP_R0_RAM_END - AARCH64_MMU_TT_PAGES_SIZE,
+                LENGTH = AARCH64_MMU_TT_PAGES_SIZE
+  }
+
+  REGION_ALIAS ("REGION_START",          RAM);
+  REGION_ALIAS ("REGION_VECTOR",         RAM);
+  REGION_ALIAS ("REGION_TEXT",           RAM);
+  REGION_ALIAS ("REGION_TEXT_LOAD",      RAM);
+  REGION_ALIAS ("REGION_RODATA",         RAM);
+  REGION_ALIAS ("REGION_RODATA_LOAD",    RAM);
+  REGION_ALIAS ("REGION_DATA",           RAM);
+  REGION_ALIAS ("REGION_DATA_LOAD",      RAM);
+  REGION_ALIAS ("REGION_FAST_TEXT",      RAM);
+  REGION_ALIAS ("REGION_FAST_TEXT_LOAD", RAM);
+  REGION_ALIAS ("REGION_FAST_DATA",      RAM);
+  REGION_ALIAS ("REGION_FAST_DATA_LOAD", RAM);
+  REGION_ALIAS ("REGION_BSS",            RAM);
+  REGION_ALIAS ("REGION_WORK",           RAM);
+  REGION_ALIAS ("REGION_STACK",          RAM);
+  REGION_ALIAS ("REGION_NOCACHE",        NOCACHE);
+  REGION_ALIAS ("REGION_NOCACHE_LOAD",   NOCACHE);
+
+  bsp_stack_exception_size = DEFINED (bsp_stack_exception_size) ? bsp_stack_exception_size : 1024;
+
+  bsp_section_rwbarrier_align = DEFINED (bsp_section_rwbarrier_align) ? bsp_section_rwbarrier_align : 1M;
+
+  bsp_vector_table_in_start_section = 1;
+
+  bsp_r0_ram_base = DDRMC_REGION_0_BASE;
+  bsp_r0_ram_end = ORIGIN (RAM) + LENGTH (RAM);
+
+  bsp_translation_table_base = ORIGIN (RAM_MMU);
+  bsp_translation_table_end = ORIGIN (RAM_MMU) + LENGTH (RAM_MMU);
+
+  OUTPUT_FORMAT ("elf64-littleaarch64")
+  OUTPUT_ARCH (aarch64)
+
+  INCLUDE linkcmds.base
+copyrights:
+- Copyright (C) 2025 On-Line Applications Research (OAR)
+enabled-by: true
+install-path: ${BSP_LIBDIR}
+links: []
+target: linkcmds
+type: build

spec/build/bsps/aarch64/xen/obj.yml

@@ -0,0 +1,38 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+build-type: objects
+cflags: []
+copyrights:
+- Copyright (C) 2025 On-Line Applications Research (OAR)
+cppflags: []
+cxxflags: []
+enabled-by: true
+includes: []
+install:
+- destination: ${BSP_INCLUDEDIR}
+  source:
+  - bsps/aarch64/xen/include/bsp.h
+- destination: ${BSP_INCLUDEDIR}/bsp
+  source:
+  - bsps/aarch64/xen/include/bsp/irq.h
+  - bsps/aarch64/include/bsp/aarch64-mmu.h
+links: []
+source:
+- bsps/aarch64/shared/cache/cache.c
+- bsps/aarch64/shared/mmu/mmu-setup.c
+- bsps/aarch64/shared/mmu/vmsav8-64.c
+- bsps/aarch64/shared/start/start-cpu-mpidr.S
+- bsps/aarch64/xen/console/console.c
+- bsps/aarch64/xen/start/bspstart.c
+- bsps/aarch64/xen/start/bspstarthooks.c
+- bsps/aarch64/xen/start/bspstartmmu.c
+- bsps/aarch64/xen/start/mmu-config.c
+- bsps/shared/dev/btimer/btimer-cpucounter.c
+- bsps/shared/dev/getentropy/getentropy-cpucounter.c
+- bsps/shared/dev/irq/arm-gicv2-get-attributes.c
+- bsps/shared/dev/serial/console-termios-init.c
+- bsps/shared/dev/serial/console-termios.c
+- bsps/shared/irq/irq-default-handler.c
+- bsps/shared/start/bspreset-arm-psci.S
+- bsps/shared/start/gettargethash-default.c
+- bsps/shared/start/sbrk.c
+type: build

spec/build/bsps/aarch64/xen/optloadoff.yml

@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-integer: null
+- assert-uint32: null
+- env-assign: null
+- format-and-define: null
+build-type: option
+copyrights:
+- Copyright (C) 2025 On-Line Applications Research (OAR)
+default:
+- enabled-by: true
+  value: 0x00008000
+description: |
+  offset of RAM region from memory area base
+enabled-by: true
+format: '{:#010x}'
+links: []
+name: BSP_XEN_LOAD_OFFSET
+type: build

spec/build/bsps/aarch64/xen/optnocachelen.yml

@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-integer: null
+- assert-uint32: null
+- env-assign: null
+- format-and-define: null
+build-type: option
+copyrights:
+- Copyright (C) 2025 On-Line Applications Research (OAR)
+default:
+- enabled-by: true
+  value: 0x00100000
+description: |
+  length of nocache RAM region
+enabled-by: true
+format: '{:#010x}'
+links: []
+name: BSP_XEN_NOCACHE_LENGTH
+type: build

spec/build/bsps/aarch64/xen/optramlen.yml

@@ -0,0 +1,20 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-integer: null
+- assert-uint64: null
+- env-assign: null
+- format-and-define: null
+build-type: option
+copyrights:
+- Copyright (C) 2025 On-Line Applications Research (OAR)
+default:
+- enabled-by: true
+  value: 0x00800000
+description: |
+  This option defines the length in bytes of the DDR memory area which is
+  statically available to the application.
+enabled-by: true
+format: '{:#010x}'
+links: []
+name: BSP_XEN_RAM_LENGTH
+type: build

spec/build/bsps/aarch64/xen/optramori.yml

@@ -0,0 +1,20 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-integer: null
+- assert-uint64: null
+- env-assign: null
+- format-and-define: null
+build-type: option
+copyrights:
+- Copyright (C) 2025 On-Line Applications Research (OAR)
+default:
+- enabled-by: true
+  value: 0x40000000
+description: |
+  This option defines the base address of the DDR memory area which is
+  statically available to the application.
+enabled-by: true
+format: '{:#010x}'
+links: []
+name: BSP_XEN_RAM_BASE
+type: build