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target/hexagon: Remove hexagon_cpu_tlb_fill

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

Remove the code from cpu_loop that raises SIGSEGV.

Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-09-14 16:32:17 -07:00
parent 5753605412
commit 70863887a8
2 changed files with 1 additions and 46 deletions
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24
linux-user/hexagon/cpu_loop.c
View file

@ -28,8 +28,7 @@
void cpu_loop(CPUHexagonState *env)
{
CPUState *cs = env_cpu(env);
int trapnr, signum, sigcode;
target_ulong sigaddr;
int trapnr;
target_ulong syscallnum;
target_ulong ret;
@ -39,10 +38,6 @@ void cpu_loop(CPUHexagonState *env)
cpu_exec_end(cs);
process_queued_cpu_work(cs);
signum = 0;
sigcode = 0;
sigaddr = 0;
switch (trapnr) {
case EXCP_INTERRUPT:
/* just indicate that signals should be handled asap */
@ -65,12 +60,6 @@ void cpu_loop(CPUHexagonState *env)
env->gpr[0] = ret;
}
break;
case HEX_EXCP_FETCH_NO_UPAGE:
case HEX_EXCP_PRIV_NO_UREAD:
case HEX_EXCP_PRIV_NO_UWRITE:
signum = TARGET_SIGSEGV;
sigcode = TARGET_SEGV_MAPERR;
break;
case EXCP_ATOMIC:
cpu_exec_step_atomic(cs);
break;
@ -79,17 +68,6 @@ void cpu_loop(CPUHexagonState *env)
trapnr);
exit(EXIT_FAILURE);
}
if (signum) {
target_siginfo_t info = {
.si_signo = signum,
.si_errno = 0,
.si_code = sigcode,
._sifields._sigfault._addr = sigaddr
};
queue_signal(env, info.si_signo, QEMU_SI_KILL, &info);
}
process_pending_signals(env);
}
}