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target/xtensa: Make xtensa_cpu_tlb_fill sysemu only

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

Remove the code from cpu_loop that raised SIGSEGV.

Acked-by: Max Filippov <jcmvbkbc@gmail.com>
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 08:09:38 -07:00
parent caac44a52a
commit 6407f64fcf
4 changed files with 3 additions and 32 deletions
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22
target/xtensa/helper.c
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@ -242,27 +242,7 @@ void xtensa_cpu_list(void)
}
}
#ifdef CONFIG_USER_ONLY
bool xtensa_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
MMUAccessType access_type, int mmu_idx,
bool probe, uintptr_t retaddr)
{
XtensaCPU *cpu = XTENSA_CPU(cs);
CPUXtensaState *env = &cpu->env;
qemu_log_mask(CPU_LOG_INT,
"%s: rw = %d, address = 0x%08" VADDR_PRIx ", size = %d\n",
__func__, access_type, address, size);
env->sregs[EXCVADDR] = address;
env->sregs[EXCCAUSE] = (access_type == MMU_DATA_STORE ?
STORE_PROHIBITED_CAUSE : LOAD_PROHIBITED_CAUSE);
cs->exception_index = EXC_USER;
cpu_loop_exit_restore(cs, retaddr);
}
#else /* !CONFIG_USER_ONLY */
#ifndef CONFIG_USER_ONLY
void xtensa_cpu_do_unaligned_access(CPUState *cs,
vaddr addr, MMUAccessType access_type,
int mmu_idx, uintptr_t retaddr)