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author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-30 12:09:28 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-30 12:09:28 -0700 |
commit | 437d1a5b66ca60f209e25f469b395741cc10b731 (patch) | |
tree | 5d2e3579a151db15867c0a46284a01c328d74f2a /arch/xtensa/kernel/syscalls | |
parent | Merge tag 'kconfig-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild (diff) | |
parent | xtensa: ISS: add GDBIO implementation to semihosting interface (diff) | |
download | linux-dev-437d1a5b66ca60f209e25f469b395741cc10b731.tar.xz linux-dev-437d1a5b66ca60f209e25f469b395741cc10b731.zip |
Merge tag 'xtensa-20210429' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa updates from Max Filippov:
- switch to generic syscall generation scripts
- new GDBIO implementation for xtensa semihosting interface
- various small code fixes and cleanups
- a few typo fixes in comments and Kconfig help text
* tag 'xtensa-20210429' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: ISS: add GDBIO implementation to semihosting interface
xtensa: ISS: split simcall implementation from semihosting interface
xtensa: simcall.h: Change compitible to compatible
xtensa: Couple of typo fixes
xtensa: drop extraneous register load from initialize_mmu
xtensa: fix pgprot_noncached assumptions
xtensa: simplify coherent_kvaddr logic
xtensa: syscalls: switch to generic syscallhdr.sh
xtensa: syscalls: switch to generic syscalltbl.sh
xtensa: stop filling syscall array with sys_ni_syscall
xtensa: remove unneeded export in boot-elf/Makefile
xtensa: move CONFIG_CPU_*_ENDIAN defines to Kconfig
xtensa: fix warning comparing pointer to 0
xtensa: fix spelling mistake in Kconfig "wont" -> "won't"
Diffstat (limited to 'arch/xtensa/kernel/syscalls')
-rw-r--r-- | arch/xtensa/kernel/syscalls/Makefile | 14 | ||||
-rw-r--r-- | arch/xtensa/kernel/syscalls/syscallhdr.sh | 36 | ||||
-rw-r--r-- | arch/xtensa/kernel/syscalls/syscalltbl.sh | 32 |
3 files changed, 4 insertions, 78 deletions
diff --git a/arch/xtensa/kernel/syscalls/Makefile b/arch/xtensa/kernel/syscalls/Makefile index 285aaba832d9..6713c65a25e1 100644 --- a/arch/xtensa/kernel/syscalls/Makefile +++ b/arch/xtensa/kernel/syscalls/Makefile @@ -6,20 +6,14 @@ _dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \ $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)') syscall := $(src)/syscall.tbl -syshdr := $(srctree)/$(src)/syscallhdr.sh -systbl := $(srctree)/$(src)/syscalltbl.sh +syshdr := $(srctree)/scripts/syscallhdr.sh +systbl := $(srctree)/scripts/syscalltbl.sh quiet_cmd_syshdr = SYSHDR $@ - cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \ - '$(syshdr_abis_$(basetarget))' \ - '$(syshdr_pfx_$(basetarget))' \ - '$(syshdr_offset_$(basetarget))' + cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr $< $@ quiet_cmd_systbl = SYSTBL $@ - cmd_systbl = $(CONFIG_SHELL) '$(systbl)' '$<' '$@' \ - '$(systbl_abis_$(basetarget))' \ - '$(systbl_abi_$(basetarget))' \ - '$(systbl_offset_$(basetarget))' + cmd_systbl = $(CONFIG_SHELL) $(systbl) $< $@ $(uapi)/unistd_32.h: $(syscall) $(syshdr) FORCE $(call if_changed,syshdr) diff --git a/arch/xtensa/kernel/syscalls/syscallhdr.sh b/arch/xtensa/kernel/syscalls/syscallhdr.sh deleted file mode 100644 index eebfb8a8ace6..000000000000 --- a/arch/xtensa/kernel/syscalls/syscallhdr.sh +++ /dev/null @@ -1,36 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 - -in="$1" -out="$2" -my_abis=`echo "($3)" | tr ',' '|'` -prefix="$4" -offset="$5" - -fileguard=_UAPI_ASM_XTENSA_`basename "$out" | sed \ - -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \ - -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'` -grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( - printf "#ifndef %s\n" "${fileguard}" - printf "#define %s\n" "${fileguard}" - printf "\n" - - nxt=0 - while read nr abi name entry ; do - if [ -z "$offset" ]; then - printf "#define __NR_%s%s\t%s\n" \ - "${prefix}" "${name}" "${nr}" - else - printf "#define __NR_%s%s\t(%s + %s)\n" \ - "${prefix}" "${name}" "${offset}" "${nr}" - fi - nxt=$((nr+1)) - done - - printf "\n" - printf "#ifdef __KERNEL__\n" - printf "#define __NR_syscalls\t%s\n" "${nxt}" - printf "#endif\n" - printf "\n" - printf "#endif /* %s */\n" "${fileguard}" -) > "$out" diff --git a/arch/xtensa/kernel/syscalls/syscalltbl.sh b/arch/xtensa/kernel/syscalls/syscalltbl.sh deleted file mode 100644 index 85d78d9309ad..000000000000 --- a/arch/xtensa/kernel/syscalls/syscalltbl.sh +++ /dev/null @@ -1,32 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 - -in="$1" -out="$2" -my_abis=`echo "($3)" | tr ',' '|'` -my_abi="$4" -offset="$5" - -emit() { - t_nxt="$1" - t_nr="$2" - t_entry="$3" - - while [ $t_nxt -lt $t_nr ]; do - printf "__SYSCALL(%s, sys_ni_syscall, )\n" "${t_nxt}" - t_nxt=$((t_nxt+1)) - done - printf "__SYSCALL(%s, %s, )\n" "${t_nxt}" "${t_entry}" -} - -grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( - nxt=0 - if [ -z "$offset" ]; then - offset=0 - fi - - while read nr abi name entry ; do - emit $((nxt+offset)) $((nr+offset)) $entry - nxt=$((nr+1)) - done -) > "$out" |