This script is needed for targets based on asm-generic syscall numbers generation
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
scripts/gensyscalls.sh | 94 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 94 insertions(+)
create mode 100755 scripts/gensyscalls.sh
diff --git a/scripts/gensyscalls.sh b/scripts/gensyscalls.sh
new file mode 100755
index 000000000000..3b549a665d0f
--- /dev/null
+++ b/scripts/gensyscalls.sh
@@ -0,0 +1,94 @@
+#!/bin/sh
+
+linux="$1"
+output="$2"
+
+TMP=$(mktemp -d)
+
+if [ "$linux" = "" ] ; then
+ echo "Needs path to linux source tree" 1>&2
+ exit 1
+fi
+
+if [ "$output" = "" ] ; then
+ output="$PWD"
+fi
+
+upper()
+{
+ echo "$1" | tr "[:lower:]" "[:upper:]" | tr "[:punct:]" "_"
+}
+
+qemu_arch()
+{
+ case "$1" in
+ arm64)
+ echo "aarch64"
+ ;;
+ *)
+ upper "$1"
+ ;;
+ esac
+}
+
+read_includes()
+{
+ arch=$1
+ bits=$2
+
+ cpp -P -nostdinc -fdirectives-only \
+ -D_UAPI_ASM_$(upper ${arch})_BITSPERLONG_H \
+ -D__BITS_PER_LONG=${bits} \
+ -I${linux}/arch/${arch}/include/uapi/ \
+ -I${linux}/include/uapi \
+ -I${TMP} \
+ "${linux}/arch/${arch}/include/uapi/asm/unistd.h"
+}
+
+filter_defines()
+{
+ grep -e "#define __NR_" -e "#define __NR3264"
+}
+
+rename_defines()
+{
+ sed "s/ __NR_/ TARGET_NR_/g;s/(__NR_/(TARGET_NR_/g"
+}
+
+evaluate_values()
+{
+ sed "s/#define TARGET_NR_/QEMU TARGET_NR_/" | \
+ cpp -P -nostdinc | \
+ sed "s/^QEMU /#define /"
+}
+
+generate_syscall_nr()
+{
+ arch=$1
+ bits=$2
+ file="$3"
+ guard="$(upper LINUX_USER_$(qemu_arch $arch)_$(basename "$file"))"
+
+ (echo "/*"
+ echo " * This file contains the system call numbers."
+ echo " */"
+ echo "#ifndef ${guard}"
+ echo "#define ${guard}"
+ echo
+ read_includes $arch $bits | filter_defines | rename_defines | \
+ evaluate_values | sort -n -k 3
+ echo
+ echo "#endif /* ${guard} */"
+ echo) > "$file"
+}
+
+mkdir "$TMP/asm"
+> "$TMP/asm/bitsperlong.h"
+
+generate_syscall_nr arm64 64 "$output/linux-user/aarch64/syscall_nr.h"
+generate_syscall_nr nios2 32 "$output/linux-user/nios2/syscall_nr.h"
+generate_syscall_nr openrisc 32 "$output/linux-user/openrisc/syscall_nr.h"
+
+generate_syscall_nr riscv 32 "$output/linux-user/riscv/syscall32_nr.h"
+generate_syscall_nr riscv 64 "$output/linux-user/riscv/syscall64_nr.h"
+rm -fr "$TMP"
--
2.24.1
On Tue, Mar 10, 2020 at 4:08 AM Laurent Vivier <laurent@vivier.eu> wrote: > > This script is needed for targets based on asm-generic syscall numbers generation > > Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Alistair > --- > scripts/gensyscalls.sh | 94 ++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 94 insertions(+) > create mode 100755 scripts/gensyscalls.sh > > diff --git a/scripts/gensyscalls.sh b/scripts/gensyscalls.sh > new file mode 100755 > index 000000000000..3b549a665d0f > --- /dev/null > +++ b/scripts/gensyscalls.sh > @@ -0,0 +1,94 @@ > +#!/bin/sh > + > +linux="$1" > +output="$2" > + > +TMP=$(mktemp -d) > + > +if [ "$linux" = "" ] ; then > + echo "Needs path to linux source tree" 1>&2 > + exit 1 > +fi > + > +if [ "$output" = "" ] ; then > + output="$PWD" > +fi > + > +upper() > +{ > + echo "$1" | tr "[:lower:]" "[:upper:]" | tr "[:punct:]" "_" > +} > + > +qemu_arch() > +{ > + case "$1" in > + arm64) > + echo "aarch64" > + ;; > + *) > + upper "$1" > + ;; > + esac > +} > + > +read_includes() > +{ > + arch=$1 > + bits=$2 > + > + cpp -P -nostdinc -fdirectives-only \ > + -D_UAPI_ASM_$(upper ${arch})_BITSPERLONG_H \ > + -D__BITS_PER_LONG=${bits} \ > + -I${linux}/arch/${arch}/include/uapi/ \ > + -I${linux}/include/uapi \ > + -I${TMP} \ > + "${linux}/arch/${arch}/include/uapi/asm/unistd.h" > +} > + > +filter_defines() > +{ > + grep -e "#define __NR_" -e "#define __NR3264" > +} > + > +rename_defines() > +{ > + sed "s/ __NR_/ TARGET_NR_/g;s/(__NR_/(TARGET_NR_/g" > +} > + > +evaluate_values() > +{ > + sed "s/#define TARGET_NR_/QEMU TARGET_NR_/" | \ > + cpp -P -nostdinc | \ > + sed "s/^QEMU /#define /" > +} > + > +generate_syscall_nr() > +{ > + arch=$1 > + bits=$2 > + file="$3" > + guard="$(upper LINUX_USER_$(qemu_arch $arch)_$(basename "$file"))" > + > + (echo "/*" > + echo " * This file contains the system call numbers." > + echo " */" > + echo "#ifndef ${guard}" > + echo "#define ${guard}" > + echo > + read_includes $arch $bits | filter_defines | rename_defines | \ > + evaluate_values | sort -n -k 3 > + echo > + echo "#endif /* ${guard} */" > + echo) > "$file" > +} > + > +mkdir "$TMP/asm" > +> "$TMP/asm/bitsperlong.h" > + > +generate_syscall_nr arm64 64 "$output/linux-user/aarch64/syscall_nr.h" > +generate_syscall_nr nios2 32 "$output/linux-user/nios2/syscall_nr.h" > +generate_syscall_nr openrisc 32 "$output/linux-user/openrisc/syscall_nr.h" > + > +generate_syscall_nr riscv 32 "$output/linux-user/riscv/syscall32_nr.h" > +generate_syscall_nr riscv 64 "$output/linux-user/riscv/syscall64_nr.h" > +rm -fr "$TMP" > -- > 2.24.1 > >
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> > -----Original Message----- > From: Qemu-devel <qemu-devel- > bounces+tsimpson=quicinc.com@nongnu.org> On Behalf Of Laurent Vivier > Sent: Tuesday, March 10, 2020 6:08 AM > To: qemu-devel@nongnu.org > Cc: Marek Vasut <marex@denx.de>; Peter Maydell > <peter.maydell@linaro.org>; Jia Liu <proljc@gmail.com>; Riku Voipio > <riku.voipio@iki.fi>; Laurent Vivier <laurent@vivier.eu>; Alistair Francis > <alistair.francis@wdc.com> > Subject: [PATCH 1/4] scripts: add a script to generate syscall_nr.h > > This script is needed for targets based on asm-generic syscall numbers > generation > > Signed-off-by: Laurent Vivier <laurent@vivier.eu> > --- > scripts/gensyscalls.sh | 94 > ++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 94 insertions(+) > create mode 100755 scripts/gensyscalls.sh > > diff --git a/scripts/gensyscalls.sh b/scripts/gensyscalls.sh > new file mode 100755 > index 000000000000..3b549a665d0f > --- /dev/null > +++ b/scripts/gensyscalls.sh > @@ -0,0 +1,94 @@ > +#!/bin/sh > + Include the license > +linux="$1" > +output="$2" > + > +TMP=$(mktemp -d) > + > +if [ "$linux" = "" ] ; then > + echo "Needs path to linux source tree" 1>&2 > + exit 1 > +fi > + > +if [ "$output" = "" ] ; then > + output="$PWD" > +fi > + > +upper() > +{ > + echo "$1" | tr "[:lower:]" "[:upper:]" | tr "[:punct:]" "_" > +} > + > +qemu_arch() > +{ > + case "$1" in > + arm64) > + echo "aarch64" > + ;; > + *) > + upper "$1" > + ;; > + esac > +} > + > +read_includes() > +{ > + arch=$1 > + bits=$2 > + > + cpp -P -nostdinc -fdirectives-only \ > + -D_UAPI_ASM_$(upper ${arch})_BITSPERLONG_H \ > + -D__BITS_PER_LONG=${bits} \ > + -I${linux}/arch/${arch}/include/uapi/ \ > + -I${linux}/include/uapi \ > + -I${TMP} \ > + "${linux}/arch/${arch}/include/uapi/asm/unistd.h" > +} > + > +filter_defines() > +{ > + grep -e "#define __NR_" -e "#define __NR3264" > +} > + > +rename_defines() > +{ > + sed "s/ __NR_/ TARGET_NR_/g;s/(__NR_/(TARGET_NR_/g" > +} > + > +evaluate_values() > +{ > + sed "s/#define TARGET_NR_/QEMU TARGET_NR_/" | \ > + cpp -P -nostdinc | \ > + sed "s/^QEMU /#define /" > +} > + > +generate_syscall_nr() > +{ > + arch=$1 > + bits=$2 > + file="$3" > + guard="$(upper LINUX_USER_$(qemu_arch $arch)_$(basename > "$file"))" > + > + (echo "/*" > + echo " * This file contains the system call numbers." echo " * Do not modify." echo " * This file is generated by: <qemu>/scripts/gensyscalls.sh ${linux} ${output}" > + echo " */" > + echo "#ifndef ${guard}" > + echo "#define ${guard}" > + echo > + read_includes $arch $bits | filter_defines | rename_defines | \ > + evaluate_values | sort -n -k 3 > + echo > + echo "#endif /* ${guard} */" > + echo) > "$file" > +} > + > +mkdir "$TMP/asm" > +> "$TMP/asm/bitsperlong.h" > + > +generate_syscall_nr arm64 64 "$output/linux-user/aarch64/syscall_nr.h" > +generate_syscall_nr nios2 32 "$output/linux-user/nios2/syscall_nr.h" > +generate_syscall_nr openrisc 32 "$output/linux-user/openrisc/syscall_nr.h" > + > +generate_syscall_nr riscv 32 "$output/linux-user/riscv/syscall32_nr.h" > +generate_syscall_nr riscv 64 "$output/linux-user/riscv/syscall64_nr.h" > +rm -fr "$TMP" > -- > 2.24.1 > >
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