target/mips: Convert to CPUClass::tlb_fill

Note that env->active_tc.PC is removed from the qemu_log as that value
is garbage.  The PC isn't recovered until cpu_restore_state, called from
cpu_loop_exit_restore, called from do_raise_exception_err.

Cc: Aleksandar Markovic <amarkovic@wavecomp.com>
Cc: Aleksandar Rikalo <arikalo@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 24 insertions, 21 deletions

diff --git a/target/mips/helper.c b/target/mips/helper.c
index 86e622efb8..3a4917ce7b 100644
--- a/target/mips/helper.c
+++ b/target/mips/helper.c
@@ -874,31 +874,25 @@ refill:
 #endif
 #endif
 
-int mips_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw,
-                              int mmu_idx)
+bool mips_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
+                       MMUAccessType access_type, int mmu_idx,
+                       bool probe, uintptr_t retaddr)
 {
     MIPSCPU *cpu = MIPS_CPU(cs);
     CPUMIPSState *env = &cpu->env;
 #if !defined(CONFIG_USER_ONLY)
     hwaddr physical;
     int prot;
-    int access_type;
+    int mips_access_type;
 #endif
     int ret = TLBRET_BADADDR;
 
-#if 0
-    log_cpu_state(cs, 0);
-#endif
-    qemu_log_mask(CPU_LOG_MMU,
-              "%s pc " TARGET_FMT_lx " ad %" VADDR_PRIx " rw %d mmu_idx %d\n",
-              __func__, env->active_tc.PC, address, rw, mmu_idx);
-
     /* data access */
 #if !defined(CONFIG_USER_ONLY)
     /* XXX: put correct access by using cpu_restore_state() correctly */
-    access_type = ACCESS_INT;
-    ret = get_physical_address(env, &physical, &prot,
-                               address, rw, access_type, mmu_idx);
+    mips_access_type = ACCESS_INT;
+    ret = get_physical_address(env, &physical, &prot, address,
+                               access_type, mips_access_type, mmu_idx);
     switch (ret) {
     case TLBRET_MATCH:
         qemu_log_mask(CPU_LOG_MMU,
@@ -915,7 +909,7 @@ int mips_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw,
         tlb_set_page(cs, address & TARGET_PAGE_MASK,
                      physical & TARGET_PAGE_MASK, prot | PAGE_EXEC,
                      mmu_idx, TARGET_PAGE_SIZE);
-        return 0;
+        return true;
     }
 #if !defined(TARGET_MIPS64)
     if ((ret == TLBRET_NOMATCH) && (env->tlb->nb_tlb > 1)) {
@@ -926,27 +920,36 @@ int mips_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw,
         int mode = (env->hflags & MIPS_HFLAG_KSU);
         bool ret_walker;
         env->hflags &= ~MIPS_HFLAG_KSU;
-        ret_walker = page_table_walk_refill(env, address, rw, mmu_idx);
+        ret_walker = page_table_walk_refill(env, address, access_type, mmu_idx);
         env->hflags |= mode;
         if (ret_walker) {
-            ret = get_physical_address(env, &physical, &prot,
-                                       address, rw, access_type, mmu_idx);
+            ret = get_physical_address(env, &physical, &prot, address,
+                                       access_type, mips_access_type, mmu_idx);
             if (ret == TLBRET_MATCH) {
                 tlb_set_page(cs, address & TARGET_PAGE_MASK,
                              physical & TARGET_PAGE_MASK, prot | PAGE_EXEC,
                              mmu_idx, TARGET_PAGE_SIZE);
-                return 0;
+                return true;
             }
         }
     }
 #endif
+    if (probe) {
+        return false;
+    }
 #endif
 
-    raise_mmu_exception(env, address, rw, ret);
-    return 1;
+    raise_mmu_exception(env, address, access_type, ret);
+    do_raise_exception_err(env, cs->exception_index, env->error_code, retaddr);
+}
+
+#ifndef CONFIG_USER_ONLY
+void tlb_fill(CPUState *cs, target_ulong addr, int size,
+              MMUAccessType access_type, int mmu_idx, uintptr_t retaddr)
+{
+    mips_cpu_tlb_fill(cs, addr, size, access_type, mmu_idx, false, retaddr);
 }
 
-#if !defined(CONFIG_USER_ONLY)
 hwaddr cpu_mips_translate_address(CPUMIPSState *env, target_ulong address, int rw)
 {
     hwaddr physical;