From: Stefan Huber <stefan.hu...@oth-regensburg.de>
add necessary files for developing tiny-demo inmate. Consists of
modified copies from x86/arm.
Signed-off-by: Stefan Huber <stefan.hu...@oth-regensburg.de>
Signed-off-by: Ralf Ramsauer <ralf.ramsa...@oth-regensburg.de>
---
.gitignore | 1 +
inmates/demos/riscv/Makefile | 19 ++++
inmates/demos/riscv/tiny-demo.c | 19 ++++
inmates/lib/include/inmate_common.h | 1 +
inmates/lib/riscv/Makefile | 46 ++++++++
inmates/lib/riscv/Makefile.lib | 64 ++++++++++++
inmates/lib/riscv/header.S | 44 ++++++++
inmates/lib/riscv/include/inmate.h | 157 ++++++++++++++++++++++++++++
inmates/lib/riscv/inmate.lds.S | 74 +++++++++++++
inmates/lib/riscv/printk.c | 61 +++++++++++
inmates/lib/riscv/setup.c | 43 ++++++++
inmates/lib/riscv/uart.c | 47 +++++++++
12 files changed, 576 insertions(+)
create mode 100644 inmates/demos/riscv/tiny-demo.c
create mode 100644 inmates/lib/riscv/Makefile.lib
create mode 100644 inmates/lib/riscv/header.S
create mode 100644 inmates/lib/riscv/include/inmate.h
create mode 100644 inmates/lib/riscv/inmate.lds.S
create mode 100644 inmates/lib/riscv/printk.c
create mode 100644 inmates/lib/riscv/setup.c
create mode 100644 inmates/lib/riscv/uart.c
diff --git a/.gitignore b/.gitignore
index 245733cb..80224289 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,6 +20,7 @@ include/jailhouse/config.h
hypervisor/hypervisor.lds
inmates/lib/arm/inmate.lds
inmates/lib/arm64/inmate.lds
+inmates/lib/riscv/inmate.lds
pyjailhouse/pci_defs.py
tools/demos/cache-timings
tools/demos/ivshmem-demo
diff --git a/inmates/demos/riscv/Makefile b/inmates/demos/riscv/Makefile
index e69de29b..2f0bac84 100644
--- a/inmates/demos/riscv/Makefile
+++ b/inmates/demos/riscv/Makefile
@@ -0,0 +1,19 @@
+#
+# Jailhouse, a Linux-based partitioning hypervisor
+#
+# Copyright (c) Siemens AG, 2013, 2014
+#
+# Authors:
+# Jan Kiszka <jan.kis...@siemens.com>
+#
+# This work is licensed under the terms of the GNU GPL, version 2. See
+# the COPYING file in the top-level directory.
+#
+
+include $(INMATES_LIB)/Makefile.lib
+
+INMATES := tiny-demo.bin
+
+tiny-demo-y := tiny-demo.o
+
+$(eval $(call DECLARE_TARGETS,$(INMATES)))
diff --git a/inmates/demos/riscv/tiny-demo.c b/inmates/demos/riscv/tiny-demo.c
new file mode 100644
index 00000000..e4af2642
--- /dev/null
+++ b/inmates/demos/riscv/tiny-demo.c
@@ -0,0 +1,19 @@
+/*
+ * Jailhouse, a Linux-based partitioning hypervisor
+ *
+ * Copyright (c) OTH Regensburg, 2022
+ *
+ * Authors:
+ * Ralf Ramsauer <ralf.ramsa...@oth-regensburg.de>
+ * Stefan Huber <stefan.hu...@oth-regensburg.de>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ */
+
+#include <inmate.h>
+
+void inmate_main(void)
+{
+ printk("Hello from this tiny cell!\n");
+}
diff --git a/inmates/lib/include/inmate_common.h
b/inmates/lib/include/inmate_common.h
index 1c20a0af..8f474264 100644
--- a/inmates/lib/include/inmate_common.h
+++ b/inmates/lib/include/inmate_common.h
@@ -72,6 +72,7 @@
#define MSIX_CTRL_FMASK 0x4000
#ifndef __ASSEMBLY__
+
typedef s8 __s8;
typedef u8 __u8;
diff --git a/inmates/lib/riscv/Makefile b/inmates/lib/riscv/Makefile
index e69de29b..9ff57721 100644
--- a/inmates/lib/riscv/Makefile
+++ b/inmates/lib/riscv/Makefile
@@ -0,0 +1,46 @@
+#
+# Jailhouse, a Linux-based partitioning hypervisor
+#
+# Copyright (c) Siemens AG, 2015, 2016
+#
+# Authors:
+# Jan Kiszka <jan.kis...@siemens.com>
+#
+# This work is licensed under the terms of the GNU GPL, version 2. See
+# the COPYING file in the top-level directory.
+#
+# Alternatively, you can use or redistribute this file under the following
+# BSD license:
+#
+# 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 HOLDER 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 $(INMATES_LIB)/Makefile.lib
+
+always-y := lib.a inmate.lds
+
+lib-y := $(common-objs-y)
+lib-y += header.o printk.o setup.o uart.o
+
+lib-y += ../cmdline.o ../printk.o ../setup.o ../string.o ../uart-8250.o
diff --git a/inmates/lib/riscv/Makefile.lib b/inmates/lib/riscv/Makefile.lib
new file mode 100644
index 00000000..9a87d8ff
--- /dev/null
+++ b/inmates/lib/riscv/Makefile.lib
@@ -0,0 +1,64 @@
+#
+# Jailhouse, a Linux-based partitioning hypervisor
+#
+# Copyright (c) Siemens AG, 2013, 2014
+#
+# Authors:
+# Jan Kiszka <jan.kis...@siemens.com>
+#
+# This work is licensed under the terms of the GNU GPL, version 2. See
+# the COPYING file in the top-level directory.
+#
+# Alternatively, you can use or redistribute this file under the following
+# BSD license:
+#
+# 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 HOLDER 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 $(ALWAYS_COMPAT_MK)
+
+-include $(GEN_CONFIG_MK)
+
+#KBUILD_CFLAGS += -m64 -mno-red-zone
+LINUXINCLUDE += -I$(INMATES_LIB)/include
+
+define DECLARE_TARGETS =
+ _TARGETS = $(1)
+ always-y := $$(_TARGETS)
+ # $(NAME-y) NAME-linked.o NAME.bin
+ targets += $$(foreach t,$$(_TARGETS:.bin=-y),$$($$t)) \
+ $$(_TARGETS:.bin=-linked.o) $$(_TARGETS)
+endef
+
+# prevent deleting intermediate files which would cause rebuilds
+.SECONDARY: $(addprefix $(obj)/,$(targets))
+
+# obj/NAME-linked.o: ... obj/$(NAME-y) lib/lib[32].a
+.SECONDEXPANSION:
+$(obj)/%-linked.o: $(INMATES_LIB)/inmate.lds $$(addprefix $$(obj)/,$$($$*-y)) \
+ $(INMATES_LIB)/$$(if $$($$*_32),lib32.a,lib.a) FORCE
+ $(call if_changed,ld)
+
+$(obj)/%.bin: $(obj)/%-linked.o FORCE
+ $(call if_changed,objcopy)
diff --git a/inmates/lib/riscv/header.S b/inmates/lib/riscv/header.S
new file mode 100644
index 00000000..3a12f51f
--- /dev/null
+++ b/inmates/lib/riscv/header.S
@@ -0,0 +1,44 @@
+/*
+ * Jailhouse, a Linux-based partitioning hypervisor
+ *
+ * Copyright (c) OTH Regensburg, 2022
+ *
+ * Authors:
+ * Ralf Ramsauer <ralf.ramsa...@oth-regensburg.de>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ *
+ * Alternatively, you can use or redistribute this file under the following
+ * BSD license:
+ *
+ * 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 HOLDER 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.
+ */
+
+.section ".boot", "ax"
+
+ .globl __reset_entry
+__reset_entry:
+ la sp, __stack_top
+ j c_entry
diff --git a/inmates/lib/riscv/include/inmate.h
b/inmates/lib/riscv/include/inmate.h
new file mode 100644
index 00000000..dac9f146
--- /dev/null
+++ b/inmates/lib/riscv/include/inmate.h
@@ -0,0 +1,157 @@
+/*
+ * Jailhouse, a Linux-based partitioning hypervisor
+ *
+ * Copyright (c) OTH Regensburg
+ *
+ * Authors:
+ * Ralf Ramsauer <ralf.ramsa...@oth-regensburg.de>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ *
+ * Alternatively, you can use or redistribute this file under the following
+ * BSD license:
+ *
+ * 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 HOLDER 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 _JAILHOUSE_INMATE_H
+#define _JAILHOUSE_INMATE_H
+
+#define __stringify_1(x...) #x
+#define __stringify(x...) __stringify_1(x)
+
+#define COMM_REGION_BASE 0x100000
+
+#define PAGE_SIZE (4 * 1024ULL)
+
+typedef signed char s8;
+typedef unsigned char u8;
+
+typedef signed short s16;
+typedef unsigned short u16;
+
+typedef signed int s32;
+typedef unsigned int u32;
+
+typedef signed long long s64;
+typedef unsigned long long u64;
+
+#define SR_SIE 0x00000002UL
+
+#define csr_read(csr) \
+({ \
+ register unsigned long __v; \
+ __asm__ __volatile__ ("csrr %0, " __stringify(csr) \
+ : "=r" (__v) : \
+ : "memory"); \
+ __v; \
+})
+
+#define csr_write(csr, val) \
+({ \
+ unsigned long __v = (unsigned long)(val); \
+ __asm__ __volatile__ ("csrw " __stringify(csr) ", %0" \
+ : : "rK" (__v) \
+ : "memory"); \
+})
+
+#define csr_clear(csr, val) \
+({ \
+ unsigned long __v = (unsigned long)(val); \
+ __asm__ __volatile__ ("csrc " __stringify(csr) ", %0" \
+ : : "rK" (__v) \
+ : "memory"); \
+})
+
+#define csr_set(csr, val) \
+({ \
+ unsigned long __v = (unsigned long)(val); \
+ __asm__ __volatile__ ("csrs " __stringify(csr) ", %0" \
+ : : "rK" (__v) \
+ : "memory"); \
+})
+
+static inline void disable_irqs(void)
+{
+ csr_clear(sstatus, SR_SIE);
+}
+
+static inline void cpu_relax(void)
+{
+ int dummy;
+
+ asm volatile ("div %0, %0, zero" : "=r"(dummy));
+ asm volatile ("" ::: "memory");
+}
+
+static inline void __attribute__((noreturn)) halt(void)
+{
+ while (1)
+ asm volatile ("wfi" : : : "memory");
+}
+
+static inline u8 mmio_read8(void *address)
+{
+ return *(volatile u8 *)address;
+}
+
+static inline u16 mmio_read16(void *address)
+{
+ return *(volatile u16 *)address;
+}
+
+static inline u32 mmio_read32(void *address)
+{
+ return *(volatile u32 *)address;
+}
+
+static inline u64 mmio_read64(void *address)
+{
+ return *(volatile u64 *)address;
+}
+
+static inline void mmio_write8(void *address, u8 value)
+{
+ *(volatile u8 *)address = value;
+}
+
+static inline void mmio_write16(void *address, u16 value)
+{
+ *(volatile u16 *)address = value;
+}
+
+static inline void mmio_write32(void *address, u32 value)
+{
+ *(volatile u32 *)address = value;
+}
+
+static inline void mmio_write64(void *address, u64 value)
+{
+ *(volatile u64 *)address = value;
+}
+
+#include <inmate_common.h>
+
+#endif /* !_JAILHOUSE_INMATE_H */
diff --git a/inmates/lib/riscv/inmate.lds.S b/inmates/lib/riscv/inmate.lds.S
new file mode 100644
index 00000000..cb6e7a76
--- /dev/null
+++ b/inmates/lib/riscv/inmate.lds.S
@@ -0,0 +1,74 @@
+/*
+ * Jailhouse RISC-V support
+ *
+ * Copyright (C) 2022 OTH Regensburg
+ *
+ * Authors:
+ * Ralf Ramsauer <ralf.ramsa...@oth-regensburg.de>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ *
+ * Alternatively, you can use or redistribute this file under the following
+ * BSD license:
+ *
+ * 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 HOLDER 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 <inmate_common.h>
+
+SECTIONS {
+ . = CONFIG_INMATE_BASE;
+ .boot : { *(.boot) }
+
+ . = CONFIG_INMATE_BASE + 0x100;
+ .cmdline : {
+ *(.cmdline)
+ BYTE(0); /* empty string in case no buffer is provided */
+ }
+
+ bss_start = .;
+ .bss : {
+ *(.bss)
+ }
+
+ . = ALIGN(4);
+ .text : {
+ *(.text)
+ }
+
+ .rodata : {
+ *(.rodata)
+ }
+
+ .data : {
+ *(.data)
+ }
+
+ . = ALIGN(4096);
+ . = . + 0x1000;
+ __stack_top = .;
+}
+
+ENTRY(__reset_entry)
diff --git a/inmates/lib/riscv/printk.c b/inmates/lib/riscv/printk.c
new file mode 100644
index 00000000..5eb31537
--- /dev/null
+++ b/inmates/lib/riscv/printk.c
@@ -0,0 +1,61 @@
+/*
+ * Jailhouse, a Linux-based partitioning hypervisor
+ *
+ * Copyright (c) Siemens AG, 2013
+ *
+ * Authors:
+ * Jan Kiszka <jan.kis...@siemens.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ *
+ * Alternatively, you can use or redistribute this file under the following
+ * BSD license:
+ *
+ * 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 HOLDER 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 <inmate.h>
+#include <uart.h>
+
+static void reg_out_mmio8(struct uart_chip *chip, unsigned int reg, u32 value)
+{
+ mmio_write8(chip->base + reg, value);
+}
+
+static u32 reg_in_mmio8(struct uart_chip *chip, unsigned int reg)
+{
+ return mmio_read8(chip->base + reg);
+}
+
+void arch_console_init(struct uart_chip *chip)
+{
+ struct jailhouse_console *console = &comm_region->console;
+
+ if (cmdline_parse_bool("con-regdist-1",
+ CON_USES_REGDIST_1(console->flags))) {
+ chip->reg_out = reg_out_mmio8;
+ chip->reg_in = reg_in_mmio8;
+ }
+}
diff --git a/inmates/lib/riscv/setup.c b/inmates/lib/riscv/setup.c
new file mode 100644
index 00000000..705c5630
--- /dev/null
+++ b/inmates/lib/riscv/setup.c
@@ -0,0 +1,43 @@
+/*
+ * Jailhouse, a Linux-based partitioning hypervisor
+ *
+ * Copyright (c) OTH Regensburg, 2012
+ *
+ * Authors:
+ * Ralf Ramsauer <ralf.ramsa...@oth-regensburg.de>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ *
+ * Alternatively, you can use or redistribute this file under the following
+ * BSD license:
+ *
+ * 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 HOLDER 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 <inmate.h>
+
+void arch_init_early(void)
+{
+}
diff --git a/inmates/lib/riscv/uart.c b/inmates/lib/riscv/uart.c
new file mode 100644
index 00000000..4c394dee
--- /dev/null
+++ b/inmates/lib/riscv/uart.c
@@ -0,0 +1,47 @@
+/*
+ * Jailhouse, a Linux-based partitioning hypervisor
+ *
+ * Copyright (c) OTH Regensburg, 2018-2022
+ *
+ * Authors:
+ * Ralf Ramsauer <ralf.ramsa...@oth-regensburg.de>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ *
+ * Alternatively, you can use or redistribute this file under the following
+ * BSD license:
+ *
+ * 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 HOLDER 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 <inmate.h>
+#include <uart.h>
+
+DECLARE_UART(8250);
+
+struct uart_chip *uart_array[] = {
+ &UART_OPS_NAME(8250),
+ NULL
+};
--
2.36.1
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