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target/sparc: Make sparc_cpu_tlb_fill sysemu only

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The fallback code in cpu_loop_exit_sigsegv is sufficient
for sparc linux-user.

This makes all of the code in mmu_helper.c sysemu only, so remove
the ifdefs and move the file to sparc_softmmu_ss.  Remove the code
from cpu_loop that handled TT_DFAULT and TT_TFAULT.

Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-09-15 08:05:53 -07:00
parent cac720ec54
commit caac44a52a
4 changed files with 2 additions and 52 deletions
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25
linux-user/sparc/cpu_loop.c
View file

@ -219,17 +219,6 @@ void cpu_loop (CPUSPARCState *env)
case TT_WIN_UNF: /* window underflow */
restore_window(env);
break;
case TT_TFAULT:
case TT_DFAULT:
{
info.si_signo = TARGET_SIGSEGV;
info.si_errno = 0;
/* XXX: check env->error_code */
info.si_code = TARGET_SEGV_MAPERR;
info._sifields._sigfault._addr = env->mmuregs[4];
queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
}
break;
#else
case TT_SPILL: /* window overflow */
save_window(env);
@ -237,20 +226,6 @@ void cpu_loop (CPUSPARCState *env)
case TT_FILL: /* window underflow */
restore_window(env);
break;
case TT_TFAULT:
case TT_DFAULT:
{
info.si_signo = TARGET_SIGSEGV;
info.si_errno = 0;
/* XXX: check env->error_code */
info.si_code = TARGET_SEGV_MAPERR;
if (trapnr == TT_DFAULT)
info._sifields._sigfault._addr = env->dmmu.mmuregs[4];
else
info._sifields._sigfault._addr = cpu_tsptr(env)->tpc;
queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
}
break;
#ifndef TARGET_ABI32
case 0x16e:
flush_windows(env);