@@ -31,7 +31,7 @@ $(call detected_var,SRCARCH)
ifneq ($(NO_SYSCALL_TABLE),1)
NO_SYSCALL_TABLE := 1
- ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc s390 mips loongarch))
+ ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc s390 mips))
NO_SYSCALL_TABLE := 0
endif
@@ -75,7 +75,6 @@ ifeq ($(SRCARCH),arm64)
endif
ifeq ($(SRCARCH),loongarch)
- CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated
LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64
endif
@@ -311,7 +311,7 @@ FEATURE_TESTS := all
endif
endif
# architectures that use the generic syscall table
-generic_syscall_table_archs := riscv arc csky arm sh sparc xtensa x86 alpha parisc arm64
+generic_syscall_table_archs := riscv arc csky arm sh sparc xtensa x86 alpha parisc arm64 loongarch
ifneq ($(filter $(SRCARCH), $(generic_syscall_table_archs)),)
include $(srctree)/tools/perf/scripts/Makefile.syscalls
endif
@@ -1,25 +1,3 @@
# SPDX-License-Identifier: GPL-2.0
PERF_HAVE_JITDUMP := 1
HAVE_KVM_STAT_SUPPORT := 1
-
-#
-# Syscall table generation for perf
-#
-
-out := $(OUTPUT)arch/loongarch/include/generated/asm
-header := $(out)/syscalls.c
-incpath := $(srctree)/tools
-sysdef := $(srctree)/tools/arch/loongarch/include/uapi/asm/unistd.h
-sysprf := $(srctree)/tools/perf/arch/loongarch/entry/syscalls/
-systbl := $(sysprf)/mksyscalltbl
-
-# Create output directory if not already present
-$(shell [ -d '$(out)' ] || mkdir -p '$(out)')
-
-$(header): $(sysdef) $(systbl)
- $(Q)$(SHELL) '$(systbl)' '$(CC)' '$(HOSTCC)' $(incpath) $(sysdef) > $@
-
-clean::
- $(call QUIET_CLEAN, loongarch) $(RM) $(header)
-
-archheaders: $(header)
new file mode 100644
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+syscall-y += syscalls_64.h
new file mode 100644
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+
+syscall_abis_64 +=
deleted file mode 100755
@@ -1,45 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0
-#
-# Generate system call table for perf. Derived from
-# powerpc script.
-#
-# Author(s): Ming Wang <wangming01@loongson.cn>
-# Author(s): Huacai Chen <chenhuacai@loongson.cn>
-# Copyright (C) 2020-2023 Loongson Technology Corporation Limited
-
-gcc=$1
-hostcc=$2
-incpath=$3
-input=$4
-
-if ! test -r $input; then
- echo "Could not read input file" >&2
- exit 1
-fi
-
-create_sc_table()
-{
- local sc nr max_nr
-
- while read sc nr; do
- printf "%s\n" " [$nr] = \"$sc\","
- max_nr=$nr
- done
-
- echo "#define SYSCALLTBL_LOONGARCH_MAX_ID $max_nr"
-}
-
-create_table()
-{
- echo "#include \"$input\""
- echo "static const char *const syscalltbl_loongarch[] = {"
- create_sc_table
- echo "};"
-}
-
-$gcc -E -dM -x c -I $incpath/include/uapi $input \
- |awk '$2 ~ "__NR" && $3 !~ "__NR3264_" {
- sub("^#define __NR(3264)?_", "");
- print | "sort -k2 -n"}' \
- |create_table
new file mode 100644
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <asm/syscall_table_64.h>
@@ -30,10 +30,6 @@ static const char *const *syscalltbl_native = syscalltbl_powerpc_32;
#include <asm/syscalls_n64.c>
const int syscalltbl_native_max_id = SYSCALLTBL_MIPS_N64_MAX_ID;
static const char *const *syscalltbl_native = syscalltbl_mips_n64;
-#elif defined(__loongarch__)
-#include <asm/syscalls.c>
-const int syscalltbl_native_max_id = SYSCALLTBL_LOONGARCH_MAX_ID;
-static const char *const *syscalltbl_native = syscalltbl_loongarch;
#elif defined(GENERIC_SYSCALL_TABLE)
#include <syscall_table.h>
const int syscalltbl_native_max_id = SYSCALLTBL_MAX_ID;
loongarch uses a syscall table, use that in perf instead of using unistd.h. Signed-off-by: Charlie Jenkins <charlie@rivosinc.com> --- tools/perf/Makefile.config | 3 +- tools/perf/Makefile.perf | 2 +- tools/perf/arch/loongarch/Makefile | 22 ----------- tools/perf/arch/loongarch/entry/syscalls/Kbuild | 2 + .../loongarch/entry/syscalls/Makefile.syscalls | 3 ++ .../arch/loongarch/entry/syscalls/mksyscalltbl | 45 ---------------------- tools/perf/arch/loongarch/include/syscall_table.h | 2 + tools/perf/util/syscalltbl.c | 4 -- 8 files changed, 9 insertions(+), 74 deletions(-)