cpu: Turn cpu_handle_mmu_fault() into a CPUClass hook

Note that while such functions may exist both for *-user and softmmu,
only *-user uses the CPUState hook, while softmmu reuses the prototype
for calling it directly.

Signed-off-by: Andreas Färber <afaerber@suse.de>

4 files changed, 19 insertions, 13 deletions

diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c
index 5dac322..993d924 100644
--- a/target-s390x/cpu.c
+++ b/target-s390x/cpu.c
@@ -247,7 +247,9 @@ static void s390_cpu_class_init(ObjectClass *oc, void *data)
     cc->set_pc = s390_cpu_set_pc;
     cc->gdb_read_register = s390_cpu_gdb_read_register;
     cc->gdb_write_register = s390_cpu_gdb_write_register;
-#ifndef CONFIG_USER_ONLY
+#ifdef CONFIG_USER_ONLY
+    cc->handle_mmu_fault = s390_cpu_handle_mmu_fault;
+#else
     cc->get_phys_page_debug = s390_cpu_get_phys_page_debug;
     cc->write_elf64_note = s390_cpu_write_elf64_note;
     cc->write_elf64_qemunote = s390_cpu_write_elf64_qemunote;
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index 8b4a5c0..f332d41 100644
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -320,9 +320,8 @@ int cpu_s390x_exec(CPUS390XState *s);
    is returned if the signal was handled by the virtual CPU.  */
 int cpu_s390x_signal_handler(int host_signum, void *pinfo,
                            void *puc);
-int cpu_s390x_handle_mmu_fault (CPUS390XState *env, target_ulong address, int rw,
-                                int mmu_idx);
-#define cpu_handle_mmu_fault cpu_s390x_handle_mmu_fault
+int s390_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int rw,
+                              int mmu_idx);
 
 #include "ioinst.h"
 
diff --git a/target-s390x/helper.c b/target-s390x/helper.c
index 0bae0a3..e71e5fd 100644
--- a/target-s390x/helper.c
+++ b/target-s390x/helper.c
@@ -91,14 +91,16 @@ void s390_cpu_do_interrupt(CPUState *cs)
     env->exception_index = -1;
 }
 
-int cpu_s390x_handle_mmu_fault(CPUS390XState *env, target_ulong address,
-                               int rw, int mmu_idx)
+int s390_cpu_handle_mmu_fault(CPUState *cs, vaddr address,
+                              int rw, int mmu_idx)
 {
-    env->exception_index = EXCP_PGM;
-    env->int_pgm_code = PGM_ADDRESSING;
+    S390CPU *cpu = S390_CPU(cs);
+
+    cpu->env.exception_index = EXCP_PGM;
+    cpu->env.int_pgm_code = PGM_ADDRESSING;
     /* On real machines this value is dropped into LowMem.  Since this
        is userland, simply put this someplace that cpu_loop can find it.  */
-    env->__excp_addr = address;
+    cpu->env.__excp_addr = address;
     return 1;
 }
 
@@ -379,14 +381,16 @@ int mmu_translate(CPUS390XState *env, target_ulong vaddr, int rw, uint64_t asc,
     return r;
 }
 
-int cpu_s390x_handle_mmu_fault(CPUS390XState *env, target_ulong orig_vaddr,
-                               int rw, int mmu_idx)
+int s390_cpu_handle_mmu_fault(CPUState *cs, vaddr orig_vaddr,
+                              int rw, int mmu_idx)
 {
+    S390CPU *cpu = S390_CPU(cs);
+    CPUS390XState *env = &cpu->env;
     uint64_t asc = env->psw.mask & PSW_MASK_ASC;
     target_ulong vaddr, raddr;
     int prot;
 
-    DPRINTF("%s: address 0x%" PRIx64 " rw %d mmu_idx %d\n",
+    DPRINTF("%s: address 0x%" VADDR_PRIx " rw %d mmu_idx %d\n",
             __func__, orig_vaddr, rw, mmu_idx);
 
     orig_vaddr &= TARGET_PAGE_MASK;
diff --git a/target-s390x/mem_helper.c b/target-s390x/mem_helper.c
index db673cf..d9dc8ae 100644
--- a/target-s390x/mem_helper.c
+++ b/target-s390x/mem_helper.c
@@ -47,9 +47,10 @@
 void tlb_fill(CPUS390XState *env, target_ulong addr, int is_write, int mmu_idx,
               uintptr_t retaddr)
 {
+    S390CPU *cpu = s390_env_get_cpu(env);
     int ret;
 
-    ret = cpu_s390x_handle_mmu_fault(env, addr, is_write, mmu_idx);
+    ret = s390_cpu_handle_mmu_fault(CPU(cpu), addr, is_write, mmu_idx);
     if (unlikely(ret != 0)) {
         if (likely(retaddr)) {
             /* now we have a real cpu fault */