fec_nic_drv: arm_64 support

Fixes #3446

repos/dde_linux/lib/mk/spec/arm_64/lx_kit_setjmp.mk

@@ -0,0 +1,5 @@
+SRC_S += setjmp.S
+
+vpath %.S  $(REP_DIR)/src/lx_kit/spec/arm_64
+
+CC_CXX_WARN_STRICT =

repos/dde_linux/src/drivers/nic/fec/platform_device/platform_device.h

@@ -0,0 +1,81 @@
+/*
+ * \brief  Platform_device implementation for ARM
+ * \author Sebastian Sumpf
+ * \date   2016-04-25
+ *
+ * Note: Throw away when there exists a plaform device implementation for ARM
+ * in generic code
+ */
+
+/*
+ * Copyright (C) 2016-2017 Genode Labs GmbH
+ *
+ * This file is distributed under the terms of the GNU General Public License
+ * version 2.
+ */
+
+#ifndef _ARM__PLATFORM_DEVICE__PLATFORM_DEVICE_H_
+#define _ARM__PLATFORM_DEVICE__PLATFORM_DEVICE_H_
+
+
+#include <lx_emul/extern_c_begin.h>
+#include <lx_emul/printf.h>
+#include <lx_emul/extern_c_end.h>
+
+#include <lx_kit/malloc.h>
+#include <platform_device/device.h>
+
+#include <irq_session/connection.h>
+#include <util/list.h>
+#include <util/reconstructible.h>
+
+
+namespace Platform { struct Device; }
+
+struct Platform::Device : Platform::Abstract_device, Genode::List<Device>::Element
+{
+	Genode::Env &env;
+
+	unsigned                                      irq_num;
+	Genode::Constructible<Genode::Irq_connection> irq_connection;
+
+	Device(Genode::Env &env, unsigned irq) : env(env), irq_num(irq) { }
+
+	unsigned vendor_id() { return ~0U; }
+	unsigned device_id() { return ~0U; }
+
+	Genode::Irq_session_capability irq(Genode::uint8_t) override
+	{
+		irq_connection.construct(env, irq_num);
+		return irq_connection->cap();
+	}
+
+	Genode::Io_mem_session_capability io_mem(Genode::uint8_t,
+	                                         Genode::Cache_attribute,
+	                                         Genode::addr_t, Genode::size_t) override
+	{
+		lx_printf("%s: not implemented\n", __PRETTY_FUNCTION__);
+		return Genode::Io_mem_session_capability();
+	}
+
+	static Genode::List<Device> &list()
+	{
+		static Genode::List<Device> l;
+		return l;
+	}
+
+	static Device &create(Genode::Env &env, unsigned irq_num)
+	{
+		Device *d;
+		for (d = list().first(); d; d = d->next())
+			if (d->irq_num == irq_num)
+				return *d;
+
+		d = new (Lx::Malloc::mem()) Device(env, irq_num);
+		list().insert(d);
+
+		return *d;
+	}
+};
+
+#endif /* _ARM__PLATFORM_DEVICE__PLATFORM_DEVICE_H_ */

repos/dde_linux/src/drivers/nic/fec/spec/arm_64/target.mk

@@ -0,0 +1,6 @@
+REQUIRES = arm_64
+
+include $(REP_DIR)/src/drivers/nic/fec/target.inc
+
+# lx_kit
+INC_DIR += $(REP_DIR)/src/include/spec/arm_64

repos/dde_linux/src/drivers/nic/fec/spec/arm_v7/target.mk

@@ -0,0 +1,7 @@
+REQUIRES = arm_v7
+
+include $(REP_DIR)/src/drivers/nic/fec/target.inc
+
+# lx_kit
+INC_DIR += $(REP_DIR)/src/include/spec/arm
+INC_DIR += $(REP_DIR)/src/include/spec/arm_v7

repos/dde_linux/src/drivers/nic/fec/target.inc

@@ -1,17 +1,12 @@
-REQUIRES = arm_v7
-
 TARGET   = fec_nic_drv
 LIBS     = base lx_kit_setjmp fec_nic_include
 SRC_CC   = main.cc platform.cc lx_emul.cc component.cc
 SRC_C   += dummy.c lxc.c
-INC_DIR += $(PRG_DIR)
+INC_DIR += $(PRG_DIR)/../..
 
 # lx_kit
 SRC_CC  += env.cc irq.cc malloc.cc scheduler.cc timer.cc work.cc printf.cc
 INC_DIR += $(REP_DIR)/src/include
-INC_DIR += $(REP_DIR)/src/include/spec/arm
-INC_DIR += $(REP_DIR)/src/include/spec/arm_v7
-INC_DIR += $(REP_DIR)/src/drivers/usb/include/spec/arm
 
 # contrib code
 LX_CONTRIB_DIR := $(call select_from_ports,dde_linux)/src/drivers/nic/fec
@@ -45,7 +40,8 @@ vpath %.c  $(LX_CONTRIB_DIR)/drivers/net/ethernet/freescale
 vpath %.c  $(LX_CONTRIB_DIR)/drivers/net/phy
 vpath %.c  $(LX_CONTRIB_DIR)/net/core
 vpath %.c  $(LX_CONTRIB_DIR)/net/ethernet
-vpath %.cc $(PRG_DIR)
+vpath %.c  $(PRG_DIR)/../..
+vpath %.cc $(PRG_DIR)/../..
 vpath %.cc $(REP_DIR)/src/lx_kit
 
 CC_CXX_WARN_STRICT =

repos/dde_linux/src/include/spec/arm_64/lx_kit/internal/arch_execute.h

@@ -0,0 +1,43 @@
+/**
+ * \brief  Platform specific code
+ * \author Christian Prochaska
+ * \date   2019-07-01
+ */
+
+/*
+ * Copyright (C) 2019 Genode Labs GmbH
+ *
+ * This file is distributed under the terms of the GNU General Public License
+ * version 2.
+ */
+
+#ifndef _ARCH_EXECUTE_H_
+#define _ARCH_EXECUTE_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define _JBLEN  31
+typedef struct _jmp_buf { long _jb[_JBLEN + 1]; } jmp_buf[1];
+
+void _longjmp(jmp_buf, int);
+int  _setjmp(jmp_buf);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+static inline
+void arch_execute(void *sp, void *func, void *arg)
+{
+	asm volatile ("mov x0, %2;"   /* set arg */
+	              "mov sp, %0;"   /* set stack */
+	              "mov x29, xzr;" /* clear frame pointer */
+	              "br  %1;"       /* call func */
+	              ""
+	              : : "r"(sp), "r"(func), "r"(arg) : "r0");
+}
+
+#endif /* _ARCH_EXECUTE_H_ */

repos/dde_linux/src/lx_kit/spec/arm_64/setjmp.S

@@ -0,0 +1,108 @@
+/*-
+ * Copyright (c) 2014 Andrew Turner
+ * Copyright (c) 2014 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * Portions of this software were developed by Andrew Turner
+ * under sponsorship from the FreeBSD Foundation
+ *
+ * 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 AUTHOR 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 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.
+ *
+ */
+
+/* needed parts from <machine/asm.h> */
+#define __FBSDID(x)
+#define	ENTRY(sym) .text; .globl sym; .align 2; .type sym,#function; sym:
+#define	END(sym) .size sym, . - sym
+/* end of <machine/asm.h> */
+
+__FBSDID("$FreeBSD: releng/12.0/lib/libc/aarch64/gen/setjmp.S 313146 2017-02-03 11:51:06Z andrew $");
+
+/* needed parts from <machine/setjmp.h> */
+#define	_JB_SIGMASK	22
+#define	_JB_MAGIC__SETJMP	0xfb5d25837d7ff700
+/* end of <machine/asm.h> */
+
+ENTRY(_setjmp)
+	/* Store the magic value and stack pointer */
+	ldr	x8, .Lmagic
+	mov	x9, sp
+	stp	x8, x9, [x0], #16
+
+	/* Store the general purpose registers and lr */
+	stp	x19, x20, [x0], #16
+	stp	x21, x22, [x0], #16
+	stp	x23, x24, [x0], #16
+	stp	x25, x26, [x0], #16
+	stp	x27, x28, [x0], #16
+	stp	x29, lr, [x0], #16
+
+#ifndef _STANDALONE
+	/* Store the vfp registers */
+	stp	d8, d9, [x0], #16
+	stp	d10, d11, [x0], #16
+	stp	d12, d13, [x0], #16
+	stp	d14, d15, [x0]
+#endif
+
+	/* Return value */
+	mov	x0, #0
+	ret
+	.align	3
+.Lmagic:
+	.quad	_JB_MAGIC__SETJMP
+END(_setjmp)
+
+ENTRY(_longjmp)
+	/* Check the magic value */
+	ldr	x8, [x0], #8
+	ldr	x9, .Lmagic
+	cmp	x8, x9
+	b.ne	botch
+
+	/* Restore the stack pointer */
+	ldr	x8, [x0], #8
+	mov	sp, x8
+
+	/* Restore the general purpose registers and lr */
+	ldp	x19, x20, [x0], #16
+	ldp	x21, x22, [x0], #16
+	ldp	x23, x24, [x0], #16
+	ldp	x25, x26, [x0], #16
+	ldp	x27, x28, [x0], #16
+	ldp	x29, lr, [x0], #16
+
+#ifndef _STANDALONE
+	/* Restore the vfp registers */
+	ldp	d8, d9, [x0], #16
+	ldp	d10, d11, [x0], #16
+	ldp	d12, d13, [x0], #16
+	ldp	d14, d15, [x0]
+#endif
+
+	/* Load the return value */
+	mov	x0, x1
+	ret
+
+botch:
+	b	botch
+END(_longjmp)