ARM: adjust arm-smccc code for use in U-Boot
Adjust ARM SMC Calling Convention code for U-Boot:
- Replace the license block with SPDX
- Change path to asm-offsets.h
- Define UNWIND() as no-op
- Add Kconfig entry
- Add asm-offsets
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile
index 02e8778..3a9913a 100644
--- a/arch/arm/cpu/armv7/Makefile
+++ b/arch/arm/cpu/armv7/Makefile
@@ -18,6 +18,7 @@
endif
endif
+obj-$(CONFIG_ARM_SMCCC) += smccc-call.o
obj-$(CONFIG_ARMV7_NONSEC) += nonsec_virt.o virt-v7.o virt-dt.o
obj-$(CONFIG_ARMV7_PSCI) += psci.o psci-common.o
diff --git a/arch/arm/cpu/armv7/smccc-call.S b/arch/arm/cpu/armv7/smccc-call.S
index e5d4306..c2fdbad 100644
--- a/arch/arm/cpu/armv7/smccc-call.S
+++ b/arch/arm/cpu/armv7/smccc-call.S
@@ -1,22 +1,14 @@
/*
* Copyright (c) 2015, Linaro Limited
*
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
+ * SPDX-License-Identifier: GPL-2.0
*/
#include <linux/linkage.h>
#include <asm/opcodes-sec.h>
#include <asm/opcodes-virt.h>
-#include <asm/unwind.h>
+#define UNWIND(x...)
/*
* Wrap c macros in asm macros to delay expansion until after the
* SMCCC asm macro is expanded.
diff --git a/arch/arm/cpu/armv8/Makefile b/arch/arm/cpu/armv8/Makefile
index 65915ee..c447085 100644
--- a/arch/arm/cpu/armv8/Makefile
+++ b/arch/arm/cpu/armv8/Makefile
@@ -16,6 +16,8 @@
obj-y += transition.o
obj-y += fwcall.o
obj-y += cpu-dt.o
+obj-$(CONFIG_ARM_SMCCC) += smccc-call.o
+
ifndef CONFIG_SPL_BUILD
obj-$(CONFIG_ARMV8_SPIN_TABLE) += spin_table.o spin_table_v8.o
endif
diff --git a/arch/arm/cpu/armv8/smccc-call.S b/arch/arm/cpu/armv8/smccc-call.S
index 6252234..bbb6cba 100644
--- a/arch/arm/cpu/armv8/smccc-call.S
+++ b/arch/arm/cpu/armv8/smccc-call.S
@@ -1,19 +1,11 @@
/*
* Copyright (c) 2015, Linaro Limited
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License Version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
+ * SPDX-License-Identifier: GPL-2.0
*/
#include <linux/linkage.h>
#include <linux/arm-smccc.h>
-#include <asm/asm-offsets.h>
+#include <generated/asm-offsets.h>
.macro SMCCC instr
.cfi_startproc