Commit 4259a820 authored by Peter Maydell's avatar Peter Maydell Committed by Riku Voipio
Browse files

user-exec: Delete now-unused hppa and m68k cpu_signal_handler() code 



Now that configure blocks attempts to build user-mode code on hppa
and m68k hosts, we can delete the cpu_signal_handler() implementations
for those architectures.

Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: default avatarLaurent Vivier <laurent@vivier.eu>
Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Signed-off-by: default avatarRiku Voipio <riku.voipio@linaro.org>
parent affc88cc

user-exec.c

+0 −60
Original line number Diff line number Diff line
@@ -494,24 +494,6 @@ int cpu_signal_handler(int host_signum, void *pinfo, void *puc) 
                             is_write, &uc->uc_sigmask);

}



#elif defined(__mc68000)



int cpu_signal_handler(int host_signum, void *pinfo,

                       void *puc)

{

    siginfo_t *info = pinfo;

    struct ucontext *uc = puc;

    unsigned long pc;

    int is_write;



    pc = uc->uc_mcontext.gregs[16];

    /* XXX: compute is_write */

    is_write = 0;

    return handle_cpu_signal(pc, (unsigned long)info->si_addr,

                             is_write,

                             &uc->uc_sigmask);

}



#elif defined(__ia64)



#ifndef __ISR_VALID
@@ -616,48 +598,6 @@ int cpu_signal_handler(int host_signum, void *pinfo, 
                             is_write, &uc->uc_sigmask);

}



#elif defined(__hppa__)



int cpu_signal_handler(int host_signum, void *pinfo,

                       void *puc)

{

    siginfo_t *info = pinfo;

    struct ucontext *uc = puc;

    unsigned long pc = uc->uc_mcontext.sc_iaoq[0];

    uint32_t insn = *(uint32_t *)pc;

    int is_write = 0;



    /* XXX: need kernel patch to get write flag faster.  */

    switch (insn >> 26) {

    case 0x1a: /* STW */

    case 0x19: /* STH */

    case 0x18: /* STB */

    case 0x1b: /* STWM */

        is_write = 1;

        break;



    case 0x09: /* CSTWX, FSTWX, FSTWS */

    case 0x0b: /* CSTDX, FSTDX, FSTDS */

        /* Distinguish from coprocessor load ... */

        is_write = (insn >> 9) & 1;

        break;



    case 0x03:

        switch ((insn >> 6) & 15) {

        case 0xa: /* STWS */

        case 0x9: /* STHS */

        case 0x8: /* STBS */

        case 0xe: /* STWAS */

        case 0xc: /* STBYS */

            is_write = 1;

        }

        break;

    }



    return handle_cpu_signal(pc, (unsigned long)info->si_addr,

                             is_write, &uc->uc_sigmask);

}



#else



#error host CPU specific signal handler needed