[PATCH 0/3] Add support for RISC-V 32-bit

[Alistair Francis]

On Fri, Feb 14, 2020 at 11:47 AM Alistair Francis
<alistair.francis at wdc.com> wrote:
>
> This adds initial support for 32-bit RISC-V. RV32 is a 32-bit architecture
> with a 64-bit time_t. It requires the kernel 5.4+ and the glibc support
> is currently being upstreamed.
>
> This is the result from make check on RV32, so there are some errors that
> need to be fixed:
>
> FAIL: clock.gen
> FAIL: ioctl_v4l2.gen
> FAIL: ipc_msg.gen
> FAIL: ipc_msg-Xabbrev.gen
> FAIL: ipc_msg-Xraw.gen
> FAIL: ipc_msg-Xverbose.gen
> FAIL: ipc_sem.gen
> FAIL: ipc_sem-Xabbrev.gen
> FAIL: ipc_sem-Xraw.gen
> FAIL: ipc_sem-Xverbose.gen
> FAIL: ksysent.gen
> FAIL: mmap-Xabbrev.gen
> FAIL: mmap-Xraw.gen
> FAIL: mmap-Xverbose.gen
> FAIL: mmap64.gen
> FAIL: mmap64-Xabbrev.gen
> FAIL: mmap64-Xraw.gen
> FAIL: mmap64-Xverbose.gen
> FAIL: printpath-umovestr.gen
> FAIL: regex.gen
> FAIL: sched.gen
> FAIL: semop.gen
> FAIL: semtimedop.gen
> FAIL: sockopt-timestamp.gen
> FAIL: trace_creds.gen
> FAIL: trace_fstat.gen
> FAIL: trace_fstatfs.gen
> FAIL: trace_lstat.gen
> FAIL: trace_personality_32.gen
> FAIL: trace_personality_regex_32.gen
> FAIL: trace_question.gen
> FAIL: trace_stat.gen
> FAIL: trace_stat_like.gen
> FAIL: trace_statfs.gen
> FAIL: trace_statfs_like.gen
> FAIL: wait4.gen
> FAIL: wait4-v.gen
> FAIL: xetitimer.gen
> FAIL: mmap
> FAIL: delay
> FAIL: filtering_syscall-syntax
> FAIL: qual_fault-syscall
> FAIL: qual_fault
> FAIL: strace-k
> FAIL: strace-k-p
>
> # TOTAL: 732
> # PASS:  471
> # SKIP:  216
> # XFAIL: 0
> # FAIL:  45
> # XPASS: 0
> # ERROR: 0
>
> Alistair Francis (3):
>   linux/32: Split 32-bit time_t syscalls into a seperate header
>   tests/clock_nanosleep: Skip test if __NR_clock_nanosleep isn't defined
>   riscv: Add support for 32-bit RISC-V

Ping!

Alistair

>
>  Makefile.am                                 | 20 +++++++-------
>  configure.ac                                |  6 ++++-
>  dist/INSTALL                                |  2 +-
>  linux/32/syscallent.h                       | 26 +++---------------
>  linux/riscv/arch_defs_.h                    | 16 +++++++++++
>  linux/{riscv64 => riscv}/arch_regs.c        |  0
>  linux/riscv/asm_stat.h                      | 26 ++++++++++++++++++
>  linux/{riscv64 => riscv}/get_error.c        |  0
>  linux/{riscv64 => riscv}/get_scno.c         |  0
>  linux/{riscv64 => riscv}/get_syscall_args.c |  0
>  linux/{riscv64 => riscv}/ioctls_arch0.h     |  0
>  linux/riscv/ioctls_inc0.h                   |  7 +++++
>  linux/{riscv64 => riscv}/raw_syscall.h      |  0
>  linux/{riscv64 => riscv}/set_error.c        |  0
>  linux/{riscv64 => riscv}/set_scno.c         |  0
>  linux/{riscv64 => riscv}/syscallent.h       |  8 +++++-
>  linux/riscv64/ioctls_inc0.h                 |  1 -
>  linux/syscallent-common-time32.h            | 30 +++++++++++++++++++++
>  riscv.c                                     |  4 +--
>  tests/clock_nanosleep.c                     |  9 +++++++
>  20 files changed, 116 insertions(+), 39 deletions(-)
>  create mode 100644 linux/riscv/arch_defs_.h
>  rename linux/{riscv64 => riscv}/arch_regs.c (100%)
>  create mode 100644 linux/riscv/asm_stat.h
>  rename linux/{riscv64 => riscv}/get_error.c (100%)
>  rename linux/{riscv64 => riscv}/get_scno.c (100%)
>  rename linux/{riscv64 => riscv}/get_syscall_args.c (100%)
>  rename linux/{riscv64 => riscv}/ioctls_arch0.h (100%)
>  create mode 100644 linux/riscv/ioctls_inc0.h
>  rename linux/{riscv64 => riscv}/raw_syscall.h (100%)
>  rename linux/{riscv64 => riscv}/set_error.c (100%)
>  rename linux/{riscv64 => riscv}/set_scno.c (100%)
>  rename linux/{riscv64 => riscv}/syscallent.h (64%)
>  delete mode 100644 linux/riscv64/ioctls_inc0.h
>  create mode 100644 linux/syscallent-common-time32.h
>
> --
> 2.25.0
>