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authorDavid Hildenbrand <david@redhat.com>2019-08-26 09:51:08 +0200
committerRichard Henderson <richard.henderson@linaro.org>2019-09-03 08:34:18 -0700
commit59e96ac6cb13951dd09afc70622858089abf3384 (patch)
treedb560c5f7a2a9b00eb223aff4d826b3342d80cbd /accel
parent46750128631eaace54b69ddd8b63683edd4606cc (diff)
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tcg: Factor out CONFIG_USER_ONLY probe_write() from s390x code
Factor it out into common code. Similar to the !CONFIG_USER_ONLY variant, let's not allow to cross page boundaries. Signed-off-by: David Hildenbrand <david@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20190826075112.25637-4-david@redhat.com> [rth: Move cpu & cc variables inside if block.] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'accel')
-rw-r--r--accel/tcg/user-exec.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c
index 897d157..86e6827 100644
--- a/accel/tcg/user-exec.c
+++ b/accel/tcg/user-exec.c
@@ -188,6 +188,20 @@ static inline int handle_cpu_signal(uintptr_t pc, siginfo_t *info,
g_assert_not_reached();
}
+void probe_write(CPUArchState *env, target_ulong addr, int size, int mmu_idx,
+ uintptr_t retaddr)
+{
+ if (!guest_addr_valid(addr) ||
+ page_check_range(addr, size, PAGE_WRITE) < 0) {
+ CPUState *cpu = env_cpu(env);
+ CPUClass *cc = CPU_GET_CLASS(cpu);
+
+ cc->tlb_fill(cpu, addr, size, MMU_DATA_STORE, MMU_USER_IDX, false,
+ retaddr);
+ g_assert_not_reached();
+ }
+}
+
#if defined(__i386__)
#if defined(__NetBSD__)