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linux-user/e2k: flush probe cache for more syscalls

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This commit is contained in:
Denis Drakhnia 2024-01-14 05:49:22 +02:00
parent c116f9e4bd
commit 5266fd6e95
1 changed files with 24 additions and 16 deletions
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40
linux-user/e2k/cpu_loop.c
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@ -60,19 +60,32 @@ static void stack_expand(CPUE2KState *env, E2KPsp *s)
s->size = new_size;
}
static void e2k_clear_probe_page_cache(void)
static void e2k_clear_probe_page_cache(uint32_t syscall)
{
CPUState *other_cpu;
start_exclusive();
CPU_FOREACH(other_cpu) {
E2KCPU *cpu = E2K_CPU(other_cpu);
CPUE2KState *env = &cpu->env;
switch (syscall) {
case TARGET_NR_execve:
case TARGET_NR_brk:
case TARGET_NR_mmap:
case TARGET_NR_munmap:
case TARGET_NR_clone:
case TARGET_NR_mmap2:
case TARGET_NR_mremap:
case TARGET_NR_remap_file_pages:
case TARGET_NR_move_pages:
case TARGET_NR_migrate_pages:
start_exclusive();
CPU_FOREACH(other_cpu) {
E2KCPU *cpu = E2K_CPU(other_cpu);
CPUE2KState *env = &cpu->env;
memset(env->probe_cache_page, 0, sizeof(env->probe_cache_page));
memset(env->probe_cache_flags, 0, sizeof(env->probe_cache_flags));
}
end_exclusive();
memset(env->probe_cache_page, 0, sizeof(env->probe_cache_page));
memset(env->probe_cache_flags, 0, sizeof(env->probe_cache_flags));
}
end_exclusive();
break;
}
}
void cpu_loop(CPUE2KState *env)
@ -105,14 +118,9 @@ void cpu_loop(CPUE2KState *env)
if (!env->enable_tags || (env->wtag[0] & E2K_TAG_MASK_32) == E2K_TAG_NUMBER32) {
args[0] = (uint32_t) args[0];
if (args[0] == TARGET_NR_brk || args[0] == TARGET_NR_mmap ||
args[0] == TARGET_NR_munmap) {
e2k_clear_probe_page_cache();
}
e2k_clear_probe_page_cache(args[0]);
ret = do_syscall(env, args[0], args[1], args[2], args[3],
args[4], args[5], args[6], args[7], args[8]);
args[4], args[5], args[6], args[7], args[8]);
} else {
ret = TARGET_ENOSYS;
}