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Diffstat (limited to 'target/hexagon/op_helper.c')
-rw-r--r--target/hexagon/op_helper.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/target/hexagon/op_helper.c b/target/hexagon/op_helper.c
index a5ed819..085afc3 100644
--- a/target/hexagon/op_helper.c
+++ b/target/hexagon/op_helper.c
@@ -442,6 +442,17 @@ static void probe_store(CPUHexagonState *env, int slot, int mmu_idx)
}
}
+/*
+ * Called from a mem_noshuf packet to make sure the load doesn't
+ * raise an exception
+ */
+void HELPER(probe_noshuf_load)(CPUHexagonState *env, target_ulong va,
+ int size, int mmu_idx)
+{
+ uintptr_t retaddr = GETPC();
+ probe_read(env, va, size, mmu_idx, retaddr);
+}
+
/* Called during packet commit when there are two scalar stores */
void HELPER(probe_pkt_scalar_store_s0)(CPUHexagonState *env, int mmu_idx)
{
@@ -514,10 +525,12 @@ void HELPER(probe_pkt_scalar_hvx_stores)(CPUHexagonState *env, int mask,
* If the load is in slot 0 and there is a store in slot1 (that
* wasn't cancelled), we have to do the store first.
*/
-static void check_noshuf(CPUHexagonState *env, uint32_t slot)
+static void check_noshuf(CPUHexagonState *env, uint32_t slot,
+ target_ulong vaddr, int size)
{
if (slot == 0 && env->pkt_has_store_s1 &&
((env->slot_cancelled & (1 << 1)) == 0)) {
+ HELPER(probe_noshuf_load)(env, vaddr, size, MMU_USER_IDX);
HELPER(commit_store)(env, 1);
}
}
@@ -526,7 +539,7 @@ static uint8_t mem_load1(CPUHexagonState *env, uint32_t slot,
target_ulong vaddr)
{
uintptr_t ra = GETPC();
- check_noshuf(env, slot);
+ check_noshuf(env, slot, vaddr, 1);
return cpu_ldub_data_ra(env, vaddr, ra);
}
@@ -534,7 +547,7 @@ static uint16_t mem_load2(CPUHexagonState *env, uint32_t slot,
target_ulong vaddr)
{
uintptr_t ra = GETPC();
- check_noshuf(env, slot);
+ check_noshuf(env, slot, vaddr, 2);
return cpu_lduw_data_ra(env, vaddr, ra);
}
@@ -542,7 +555,7 @@ static uint32_t mem_load4(CPUHexagonState *env, uint32_t slot,
target_ulong vaddr)
{
uintptr_t ra = GETPC();
- check_noshuf(env, slot);
+ check_noshuf(env, slot, vaddr, 4);
return cpu_ldl_data_ra(env, vaddr, ra);
}
@@ -550,7 +563,7 @@ static uint64_t mem_load8(CPUHexagonState *env, uint32_t slot,
target_ulong vaddr)
{
uintptr_t ra = GETPC();
- check_noshuf(env, slot);
+ check_noshuf(env, slot, vaddr, 8);
return cpu_ldq_data_ra(env, vaddr, ra);
}