diff mbox series

[v3,36/41] target/s390x: Use probe_access_flags in s390_probe_access

Message ID 20211001171151.1739472-37-richard.henderson@linaro.org
State Superseded
Headers show
Series linux-user: Streamline handling of SIGSEGV | expand

Commit Message

Richard Henderson Oct. 1, 2021, 5:11 p.m. UTC 
Not sure why the user-only code wasn't rewritten to use
probe_access_flags at the same time that the sysemu code
was converted.  For the purpose of user-only, this is an
exact replacement.

Cc: qemu-s390x@nongnu.org
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/s390x/tcg/mem_helper.c | 18 +++++-------------
 1 file changed, 5 insertions(+), 13 deletions(-)

-- 
2.25.1
diff mbox series

Patch

diff --git a/target/s390x/tcg/mem_helper.c b/target/s390x/tcg/mem_helper.c
index 0bf775a37d..596270e45d 100644
--- a/target/s390x/tcg/mem_helper.c
+++ b/target/s390x/tcg/mem_helper.c
@@ -142,20 +142,12 @@  static int s390_probe_access(CPUArchState *env, target_ulong addr, int size,
                              MMUAccessType access_type, int mmu_idx,
                              bool nonfault, void **phost, uintptr_t ra)
 {
+#if defined(CONFIG_USER_ONLY)
+    return probe_access_flags(env, addr, access_type, mmu_idx,
+                              nonfault, phost, ra);
+#else
     int flags;
 
-#if defined(CONFIG_USER_ONLY)
-    flags = page_get_flags(addr);
-    if (!(flags & (access_type == MMU_DATA_LOAD ?  PAGE_READ : PAGE_WRITE_ORG))) {
-        env->__excp_addr = addr;
-        flags = (flags & PAGE_VALID) ? PGM_PROTECTION : PGM_ADDRESSING;
-        if (nonfault) {
-            return flags;
-        }
-        tcg_s390_program_interrupt(env, flags, ra);
-    }
-    *phost = g2h(env_cpu(env), addr);
-#else
     /*
      * For !CONFIG_USER_ONLY, we cannot rely on TLB_INVALID_MASK or haddr==NULL
      * to detect if there was an exception during tlb_fill().
@@ -174,8 +166,8 @@  static int s390_probe_access(CPUArchState *env, target_ulong addr, int size,
                              (access_type == MMU_DATA_STORE
                               ? BP_MEM_WRITE : BP_MEM_READ), ra);
     }
-#endif
     return 0;
+#endif
 }
 
 static int access_prepare_nf(S390Access *access, CPUS390XState *env,