On Tue, 8 Mar 2022 at 07:20, Richard Henderson <richard.hender...@linaro.org> wrote: > > The only thing this struct is used for is passing startup values > from elfload.c to the cpu. We do not need all registers to be > represented, we do not need the kernel internal stack slots. > > The userland argc, argv, and envp values are passed on > the stack, so only SP and PC need updating. > > Signed-off-by: Richard Henderson <richard.hender...@linaro.org> > --- > linux-user/nios2/target_syscall.h | 25 ++----------------------- > linux-user/elfload.c | 3 +-- > linux-user/nios2/cpu_loop.c | 24 +----------------------- > 3 files changed, 4 insertions(+), 48 deletions(-)
Well, I guess we're not using it for anything else currently, but if you do this then it's not the target arch's pt_regs struct any more. And all our other target archs seem to define the struct to follow the kernel definition even if we don't happen to use it all. -- PMM
