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accel/tcg: Report unaligned load/store for user-only 

Use the new cpu_loop_exit_sigbus for cpu_mmu_lookup.

Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
master
Richard Henderson 2021-10-13 15:55:24 -07:00
parent fce3f47430
commit 9395cd0a38
1 changed files with 6 additions and 1 deletions
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7
accel/tcg/user-exec.c
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@ -218,9 +218,14 @@ static void validate_memop(MemOpIdx oi, MemOp expected)
static void *cpu_mmu_lookup(CPUArchState *env, target_ulong addr,
MemOpIdx oi, uintptr_t ra, MMUAccessType type)
{
MemOp mop = get_memop(oi);
int a_bits = get_alignment_bits(mop);
void *ret;
/* TODO: Enforce guest required alignment. */
/* Enforce guest required alignment. */
if (unlikely(addr & ((1 << a_bits) - 1))) {
cpu_loop_exit_sigbus(env_cpu(env), addr, type, ra);
}
ret = g2h(env_cpu(env), addr);
set_helper_retaddr(ra);