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Message-Id: <cover.1530465325.git.ren_guo@c-sky.com>
Date: Mon, 2 Jul 2018 01:30:03 +0800
From: Guo Ren <ren_guo@...ky.com>
To: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
tglx@...utronix.de, daniel.lezcano@...aro.org,
jason@...edaemon.net, arnd@...db.de
Cc: c-sky_gcc_upstream@...ky.com, gnu-csky@...tor.com,
thomas.petazzoni@...tlin.com, wbx@...ibc-ng.org, ren_guo@...ky.com,
green.hu@...il.com
Subject: [PATCH V2 00/19] C-SKY(csky) Linux Kernel Port
This is the 2th version patchset to add the Linux kernel port for C-SKY(csky).
Thanks to everyone who provided feedback on the previous version.
This patchset adds architecture support to Linux for C-SKY's 32-bit embedded
CPU cores and the patches are based on linux-4.16.2.
There are two ABI versions with several CPU cores in this patchset:
ABIv1: ck610 (16-bit instruction, 32-bit data path, VIPT Cache ...)
ABIv2: ck807 ck810 ck860 (16/32-bit variable length instruction, PIPT Cache,
SMP ...)
More information: http://en.c-sky.com
I'm from Hangzhou,China C-SKY Microsystems and responsible for C-SKY Linux
port. The development repo is
https://github.com/c-sky/csky-linux
We use buildroot as our CI-test enviornment. "LTP, Lmbench, uclibc-ng-test ..."
will be tested for every commit. See here for more details:
https://gitlab.com/c-sky/buildroot/pipelines
You can try C-SKY linux in a few steps:
$ git clone https://github.com/c-sky/buildroot.git
$ cd buildroot
$ make qemu_csky_ck807_uclibc_bt_defconfig
$ make
It will download "linux uclibc-ng gcc binutils qemu busybox" source code and build
them into one image. How to run, See:
https://github.com/c-sky/buildroot/blob/master/board/qemu/csky/readme.txt
I've finished uClibc-ng.org upstream and "gcc glibc binutils qemu ..." upstream is
on going and the source code is here:
https://github.com/c-sky
Any feedback is welcome.
Changes in v2:
a29bfc8 csky: add pre_mmu_init, move misc mmu setup to mm/init.c
4eab702 csky: no need kmap for !VM_EXEC.
6770eec csky: Use TEE as the name of CPU Trusted Execution Enviornment.
a56c8c7 csky: update the cache flush api.
1a48a95 csky: add C-SKY Trust Zone.
b7a0a44 csky: use CONFIG_RAM_BASE as the same in memory of dts.
15adf81 csky: remove unused code.
35c0d97 csky: bugfix lost a cacheline flush when start isn't cacheline-aligned.
4e82c8d csky: use tlbi.alls for ck860 smp temporary.
ae7149e csky: bugfix use kmap_atomic() to prevent no mapped addr.
5538795 csky: bugfix user access in kernel space.
a7aa591 csky: add 16bit user space bkpt.
0de70ec csky: add sync.is for cmpxchg in SMP.
c5c08a1 csky: seperate sync.is and sync for SMP and Non-SMP.
dbbf4dc csky: use sync.is for ck860 mb().
f33f8da csky: rewrite the alignment implement.
68152c7 csky: bugfix alignment pt_regs error.
d618d43 csky: support set_affinity for irq balance in SMP
ebf86c9 csky: bugfix compile error without CONFIG_SMP.
8537eea csky: remove debug code.
4ebc051 csky: bugfix compile error with linux-4.9.56
75a938e csky: C-SKY SMP supported.
0eebc07 csky: use internal function for map_sg.
3d29751 csky: bugfix can't support highmem
b545d2a csky: bugfix r26 is the link reg for jsri_to_jsr.
9e3313a csky: bugfix sync tls for abiv1 in ptrace.
587a0d2 csky: use __NR_rt_sigreturn in asm-generic.
f562b46 csky: bugfix gpr_set & fpr_set
f57266f csky: bugfix fpu_fpe_helper excute mtcr mfcr.
c676669 csky: bugfix ave is default enable on reset.
d40d34d csky: remove unused sc_mask in sigcontext.h.
274b7a2 csky: redesign the signal's api
7501771 csky: bugfix forget restore usp.
923e2ca csky: re-struct the pt_regs for regset.
2a1e499 csky: fixup config.
ada81ec csky: bugfix abiv1 compile error.
e34acb9 csky: bugfix abiv1 couldn't support -mno-stack-size.
ec53560 csky: change irq map, reserve soft_irq&private_irq space.
c7576f7 csky: bugfix modpost warning with -mno-stack-size
c8ff9d4 csky: support csky mp timer alpha version.
deabaaf csky: update .gitignore.
574815c csky: bugfix compile error with abiv1 in 4.15
0b426a7 csky: bugfix format of cpu verion id.
083435f csky: irq-csky-v2 alpha init.
21209e5 csky: add .gitignore
73e19b4 csky: remove FMFS_FPU_REGS/FMTS_FPU_REGS
07e8fac csky: add fpu regset in ptrace.c
cac779d csky: add CSKY_VECIRQ_LEGENCY for SOC bug.
54bab1d csky: move usp into pt_regs.
b167422 csky: support regset for ptrace.
a098d4c csky: remove ARCH_WANT_IPC_PARSE_VERSION
fe61a84 csky: add timer-of support.
27702e2 csky: bugfix boot error.
ebe3edb csky: bugfix gx6605s boot failed - add __HEAD to head.section for head.S - move INIT_SECTION together to fix compile warning.
7138cae csky: coding convension for timer-nationalchip.c
fa7f9bb csky: use ffs instead of fls.
ddc9e81 csky: change to generic irq chip for irq-csky.c
e9be8b9 irqchip: add generic irq chip for irq-nationalchip
2ee83fe csky: add set_handle_irq(), ref from openrisc & arm.
74181d6 csky: use irq_domain_add_linear instead of leagcy.
fa45ae4 csky: bugfix setup stroge order for uncached.
eb8030f csky: add HIGHMEM config in Kconfig
4f983d4 csky: remove "default n" in Kconfig
2467575 csky: use asm-generic/signal.h
77438e5 csky: coding conventions for irq.c
2e4a2b4 csky: optimize the cache flush ops.
96e1c58 csky: add CONFIG_CPU_ASID_BITS.
9339666 csky: add cprcr() cpwcr() for abiv1
ff05be4 csky: add THREAD_SHIFT define in asm/page.h
52ab022 csky: add mfcr() mtcr() in asm/reg_ops.h
bdcd8f3 csky: revert back Kconfig select.
590c7e6 csky: bugfix compile error with CONFIG_AUDIT
1989292 csky: revert some back with cleanup unistd.h
f1454fe csky: cleanup unistd.h
5d2985f csky: cleanup Kconfig and Makefile.
423d97e csky: cancel subdirectories
cae2af4 csky: use asm-generic/fcntl.h
Guo Ren (19):
csky: Build infrastructure
csky: defconfig
csky: Kernel booting
csky: Exception handling
csky: System Call
csky: Cache and TLB routines
csky: MMU and page table management
csky: Process management and Signal
csky: VDSO and rt_sigreturn
csky: IRQ handling
csky: Atomic operations
csky: ELF and module probe
csky: Library functions
csky: User access
csky: Debug and Ptrace GDB
csky: SMP support
csky: Misc headers
clocksource: add C-SKY clocksource drivers
irqchip: add C-SKY irqchip drivers
arch/csky/Kconfig | 211 ++++++++++++
arch/csky/Kconfig.debug | 29 ++
arch/csky/Makefile | 92 ++++++
arch/csky/abiv1/Makefile | 8 +
arch/csky/abiv1/alignment.c | 332 +++++++++++++++++++
arch/csky/abiv1/bswapdi.c | 18 +
arch/csky/abiv1/bswapsi.c | 15 +
arch/csky/abiv1/cacheflush.c | 51 +++
arch/csky/abiv1/inc/abi/cacheflush.h | 42 +++
arch/csky/abiv1/inc/abi/ckmmu.h | 80 +++++
arch/csky/abiv1/inc/abi/entry.h | 152 +++++++++
arch/csky/abiv1/inc/abi/page.h | 26 ++
arch/csky/abiv1/inc/abi/pgtable-bits.h | 36 ++
arch/csky/abiv1/inc/abi/reg_ops.h | 47 +++
arch/csky/abiv1/inc/abi/regdef.h | 15 +
arch/csky/abiv1/inc/abi/tlb.h | 11 +
arch/csky/abiv1/inc/abi/vdso.h | 17 +
arch/csky/abiv1/memcpy.S | 344 +++++++++++++++++++
arch/csky/abiv1/mmap.c | 65 ++++
arch/csky/abiv2/Makefile | 4 +
arch/csky/abiv2/cacheflush.c | 55 ++++
arch/csky/abiv2/fpu.c | 242 ++++++++++++++
arch/csky/abiv2/inc/abi/cacheflush.h | 38 +++
arch/csky/abiv2/inc/abi/ckmmu.h | 88 +++++
arch/csky/abiv2/inc/abi/entry.h | 149 +++++++++
arch/csky/abiv2/inc/abi/fpu.h | 219 ++++++++++++
arch/csky/abiv2/inc/abi/page.h | 14 +
arch/csky/abiv2/inc/abi/pgtable-bits.h | 36 ++
arch/csky/abiv2/inc/abi/reg_ops.h | 38 +++
arch/csky/abiv2/inc/abi/regdef.h | 15 +
arch/csky/abiv2/inc/abi/tlb.h | 12 +
arch/csky/abiv2/inc/abi/vdso.h | 18 +
arch/csky/abiv2/memcpy.c | 43 +++
arch/csky/boot/Makefile | 25 ++
arch/csky/boot/dts/Makefile | 14 +
arch/csky/boot/dts/include/dt-bindings | 1 +
arch/csky/configs/gx66xx_defconfig | 549 +++++++++++++++++++++++++++++++
arch/csky/configs/qemu_ck807_defconfig | 541 ++++++++++++++++++++++++++++++
arch/csky/include/asm/Kbuild | 72 ++++
arch/csky/include/asm/addrspace.h | 10 +
arch/csky/include/asm/barrier.h | 19 ++
arch/csky/include/asm/bitops.h | 277 ++++++++++++++++
arch/csky/include/asm/cache.h | 29 ++
arch/csky/include/asm/cacheflush.h | 9 +
arch/csky/include/asm/checksum.h | 77 +++++
arch/csky/include/asm/cmpxchg.h | 68 ++++
arch/csky/include/asm/dma-mapping.h | 13 +
arch/csky/include/asm/elf.h | 149 +++++++++
arch/csky/include/asm/fixmap.h | 65 ++++
arch/csky/include/asm/highmem.h | 50 +++
arch/csky/include/asm/io.h | 23 ++
arch/csky/include/asm/irq.h | 10 +
arch/csky/include/asm/irqflags.h | 49 +++
arch/csky/include/asm/mmu.h | 11 +
arch/csky/include/asm/mmu_context.h | 158 +++++++++
arch/csky/include/asm/page.h | 104 ++++++
arch/csky/include/asm/pgalloc.h | 108 ++++++
arch/csky/include/asm/pgtable.h | 301 +++++++++++++++++
arch/csky/include/asm/processor.h | 123 +++++++
arch/csky/include/asm/reg_ops.h | 16 +
arch/csky/include/asm/segment.h | 18 +
arch/csky/include/asm/shmparam.h | 10 +
arch/csky/include/asm/smp.h | 26 ++
arch/csky/include/asm/spinlock.h | 174 ++++++++++
arch/csky/include/asm/spinlock_types.h | 20 ++
arch/csky/include/asm/string.h | 19 ++
arch/csky/include/asm/syscall.h | 69 ++++
arch/csky/include/asm/syscalls.h | 14 +
arch/csky/include/asm/thread_info.h | 73 ++++
arch/csky/include/asm/tlb.h | 19 ++
arch/csky/include/asm/tlbflush.h | 22 ++
arch/csky/include/asm/traps.h | 39 +++
arch/csky/include/asm/uaccess.h | 397 ++++++++++++++++++++++
arch/csky/include/asm/unistd.h | 4 +
arch/csky/include/asm/vdso.h | 12 +
arch/csky/include/uapi/asm/Kbuild | 33 ++
arch/csky/include/uapi/asm/byteorder.h | 14 +
arch/csky/include/uapi/asm/cachectl.h | 13 +
arch/csky/include/uapi/asm/ptrace.h | 105 ++++++
arch/csky/include/uapi/asm/sigcontext.h | 13 +
arch/csky/include/uapi/asm/unistd.h | 63 ++++
arch/csky/kernel/Makefile | 8 +
arch/csky/kernel/asm-offsets.c | 85 +++++
arch/csky/kernel/atomic.S | 87 +++++
arch/csky/kernel/cpu-probe.c | 83 +++++
arch/csky/kernel/cskyksyms.c | 31 ++
arch/csky/kernel/dumpstack.c | 65 ++++
arch/csky/kernel/entry.S | 407 +++++++++++++++++++++++
arch/csky/kernel/head.S | 81 +++++
arch/csky/kernel/irq.c | 31 ++
arch/csky/kernel/module.c | 82 +++++
arch/csky/kernel/platform.c | 18 +
arch/csky/kernel/power.c | 31 ++
arch/csky/kernel/process.c | 134 ++++++++
arch/csky/kernel/ptrace.c | 288 ++++++++++++++++
arch/csky/kernel/setup.c | 148 +++++++++
arch/csky/kernel/signal.c | 350 ++++++++++++++++++++
arch/csky/kernel/smp.c | 256 ++++++++++++++
arch/csky/kernel/syscall.c | 63 ++++
arch/csky/kernel/syscall_table.c | 12 +
arch/csky/kernel/time.c | 12 +
arch/csky/kernel/traps.c | 167 ++++++++++
arch/csky/kernel/vdso.c | 89 +++++
arch/csky/kernel/vmlinux.lds.S | 65 ++++
arch/csky/lib/Makefile | 1 +
arch/csky/lib/delay.c | 40 +++
arch/csky/lib/memset.c | 38 +++
arch/csky/lib/usercopy.c | 271 +++++++++++++++
arch/csky/mm/Makefile | 13 +
arch/csky/mm/cachev1.c | 132 ++++++++
arch/csky/mm/cachev2.c | 97 ++++++
arch/csky/mm/dma-mapping.c | 216 ++++++++++++
arch/csky/mm/fault.c | 223 +++++++++++++
arch/csky/mm/highmem.c | 210 ++++++++++++
arch/csky/mm/init.c | 122 +++++++
arch/csky/mm/ioremap.c | 49 +++
arch/csky/mm/syscache.c | 29 ++
arch/csky/mm/tlb.c | 210 ++++++++++++
drivers/clocksource/Makefile | 1 +
drivers/clocksource/timer-csky-v1.c | 169 ++++++++++
drivers/clocksource/timer-nationalchip.c | 165 ++++++++++
drivers/irqchip/Makefile | 1 +
drivers/irqchip/irq-csky-v1.c | 126 +++++++
drivers/irqchip/irq-csky-v2.c | 191 +++++++++++
drivers/irqchip/irq-nationalchip.c | 131 ++++++++
125 files changed, 11618 insertions(+)
create mode 100644 arch/csky/Kconfig
create mode 100644 arch/csky/Kconfig.debug
create mode 100644 arch/csky/Makefile
create mode 100644 arch/csky/abiv1/Makefile
create mode 100644 arch/csky/abiv1/alignment.c
create mode 100644 arch/csky/abiv1/bswapdi.c
create mode 100644 arch/csky/abiv1/bswapsi.c
create mode 100644 arch/csky/abiv1/cacheflush.c
create mode 100644 arch/csky/abiv1/inc/abi/cacheflush.h
create mode 100644 arch/csky/abiv1/inc/abi/ckmmu.h
create mode 100644 arch/csky/abiv1/inc/abi/entry.h
create mode 100644 arch/csky/abiv1/inc/abi/page.h
create mode 100644 arch/csky/abiv1/inc/abi/pgtable-bits.h
create mode 100644 arch/csky/abiv1/inc/abi/reg_ops.h
create mode 100644 arch/csky/abiv1/inc/abi/regdef.h
create mode 100644 arch/csky/abiv1/inc/abi/tlb.h
create mode 100644 arch/csky/abiv1/inc/abi/vdso.h
create mode 100644 arch/csky/abiv1/memcpy.S
create mode 100644 arch/csky/abiv1/mmap.c
create mode 100644 arch/csky/abiv2/Makefile
create mode 100644 arch/csky/abiv2/cacheflush.c
create mode 100644 arch/csky/abiv2/fpu.c
create mode 100644 arch/csky/abiv2/inc/abi/cacheflush.h
create mode 100644 arch/csky/abiv2/inc/abi/ckmmu.h
create mode 100644 arch/csky/abiv2/inc/abi/entry.h
create mode 100644 arch/csky/abiv2/inc/abi/fpu.h
create mode 100644 arch/csky/abiv2/inc/abi/page.h
create mode 100644 arch/csky/abiv2/inc/abi/pgtable-bits.h
create mode 100644 arch/csky/abiv2/inc/abi/reg_ops.h
create mode 100644 arch/csky/abiv2/inc/abi/regdef.h
create mode 100644 arch/csky/abiv2/inc/abi/tlb.h
create mode 100644 arch/csky/abiv2/inc/abi/vdso.h
create mode 100644 arch/csky/abiv2/memcpy.c
create mode 100644 arch/csky/boot/Makefile
create mode 100644 arch/csky/boot/dts/Makefile
create mode 120000 arch/csky/boot/dts/include/dt-bindings
create mode 100644 arch/csky/configs/gx66xx_defconfig
create mode 100644 arch/csky/configs/qemu_ck807_defconfig
create mode 100644 arch/csky/include/asm/Kbuild
create mode 100644 arch/csky/include/asm/addrspace.h
create mode 100644 arch/csky/include/asm/barrier.h
create mode 100644 arch/csky/include/asm/bitops.h
create mode 100644 arch/csky/include/asm/cache.h
create mode 100644 arch/csky/include/asm/cacheflush.h
create mode 100644 arch/csky/include/asm/checksum.h
create mode 100644 arch/csky/include/asm/cmpxchg.h
create mode 100644 arch/csky/include/asm/dma-mapping.h
create mode 100644 arch/csky/include/asm/elf.h
create mode 100644 arch/csky/include/asm/fixmap.h
create mode 100644 arch/csky/include/asm/highmem.h
create mode 100644 arch/csky/include/asm/io.h
create mode 100644 arch/csky/include/asm/irq.h
create mode 100644 arch/csky/include/asm/irqflags.h
create mode 100644 arch/csky/include/asm/mmu.h
create mode 100644 arch/csky/include/asm/mmu_context.h
create mode 100644 arch/csky/include/asm/page.h
create mode 100644 arch/csky/include/asm/pgalloc.h
create mode 100644 arch/csky/include/asm/pgtable.h
create mode 100644 arch/csky/include/asm/processor.h
create mode 100644 arch/csky/include/asm/reg_ops.h
create mode 100644 arch/csky/include/asm/segment.h
create mode 100644 arch/csky/include/asm/shmparam.h
create mode 100644 arch/csky/include/asm/smp.h
create mode 100644 arch/csky/include/asm/spinlock.h
create mode 100644 arch/csky/include/asm/spinlock_types.h
create mode 100644 arch/csky/include/asm/string.h
create mode 100644 arch/csky/include/asm/syscall.h
create mode 100644 arch/csky/include/asm/syscalls.h
create mode 100644 arch/csky/include/asm/thread_info.h
create mode 100644 arch/csky/include/asm/tlb.h
create mode 100644 arch/csky/include/asm/tlbflush.h
create mode 100644 arch/csky/include/asm/traps.h
create mode 100644 arch/csky/include/asm/uaccess.h
create mode 100644 arch/csky/include/asm/unistd.h
create mode 100644 arch/csky/include/asm/vdso.h
create mode 100644 arch/csky/include/uapi/asm/Kbuild
create mode 100644 arch/csky/include/uapi/asm/byteorder.h
create mode 100644 arch/csky/include/uapi/asm/cachectl.h
create mode 100644 arch/csky/include/uapi/asm/ptrace.h
create mode 100644 arch/csky/include/uapi/asm/sigcontext.h
create mode 100644 arch/csky/include/uapi/asm/unistd.h
create mode 100644 arch/csky/kernel/Makefile
create mode 100644 arch/csky/kernel/asm-offsets.c
create mode 100644 arch/csky/kernel/atomic.S
create mode 100644 arch/csky/kernel/cpu-probe.c
create mode 100644 arch/csky/kernel/cskyksyms.c
create mode 100644 arch/csky/kernel/dumpstack.c
create mode 100644 arch/csky/kernel/entry.S
create mode 100644 arch/csky/kernel/head.S
create mode 100644 arch/csky/kernel/irq.c
create mode 100644 arch/csky/kernel/module.c
create mode 100644 arch/csky/kernel/platform.c
create mode 100644 arch/csky/kernel/power.c
create mode 100644 arch/csky/kernel/process.c
create mode 100644 arch/csky/kernel/ptrace.c
create mode 100644 arch/csky/kernel/setup.c
create mode 100644 arch/csky/kernel/signal.c
create mode 100644 arch/csky/kernel/smp.c
create mode 100644 arch/csky/kernel/syscall.c
create mode 100644 arch/csky/kernel/syscall_table.c
create mode 100644 arch/csky/kernel/time.c
create mode 100644 arch/csky/kernel/traps.c
create mode 100644 arch/csky/kernel/vdso.c
create mode 100644 arch/csky/kernel/vmlinux.lds.S
create mode 100644 arch/csky/lib/Makefile
create mode 100644 arch/csky/lib/delay.c
create mode 100644 arch/csky/lib/memset.c
create mode 100644 arch/csky/lib/usercopy.c
create mode 100644 arch/csky/mm/Makefile
create mode 100644 arch/csky/mm/cachev1.c
create mode 100644 arch/csky/mm/cachev2.c
create mode 100644 arch/csky/mm/dma-mapping.c
create mode 100644 arch/csky/mm/fault.c
create mode 100644 arch/csky/mm/highmem.c
create mode 100644 arch/csky/mm/init.c
create mode 100644 arch/csky/mm/ioremap.c
create mode 100644 arch/csky/mm/syscache.c
create mode 100644 arch/csky/mm/tlb.c
create mode 100644 drivers/clocksource/timer-csky-v1.c
create mode 100644 drivers/clocksource/timer-nationalchip.c
create mode 100644 drivers/irqchip/irq-csky-v1.c
create mode 100644 drivers/irqchip/irq-csky-v2.c
create mode 100644 drivers/irqchip/irq-nationalchip.c
--
2.7.4
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