suppressed explicit access type and use the exception routine to infer it from the micro operation

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@529 c046a42c-6fe2-441c-8c8c-71466251a162

suppressed explicit access type and use the exception routine to infer it from the micro operation
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@529 c046a42c-6fe2-441c-8c8c-71466251a162
bellard
1 parent 9a64fbe4
Showing 4 changed files with 41 additions and 46 deletions
target-ppc/cpu.h
target-ppc/helper.c
target-ppc/op_helper_mem.h
target-ppc/op_mem.h
@@ -153,6 +153,8 @@ typedef struct CPUPPCState {
     jmp_buf jmp_env;
     int exception_index;
     int error_code;
+    int access_type; /* when a memory exception occurs, the access
+                        type is stored here */
     uint32_t exceptions; /* exception queue */
     uint32_t errors[16];
     int user_mode_only; /* user mode only simulation */
@@ -512,7 +512,7 @@ int cpu_ppc_handle_mmu_fault (CPUState *env, uint32_t address, int rw,
 //    printf("%s 0\n", __func__);
     is_user = flags & 0x01;
-    access_type = flags & ~0x01;
+    access_type = env->access_type;
     if (env->user_mode_only) {
         /* user mode only emulation */
         ret = -1;
@@ -8,14 +8,14 @@ void glue(do_lsw, MEMSUFFIX) (int dst)
                 __func__, T0, T1, dst);
     }
     for (; T1 > 3; T1 -= 4, T0 += 4) {
-        ugpr(dst++) = glue(_ldl, MEMSUFFIX)((void *)T0, ACCESS_INT);
+        ugpr(dst++) = glue(ldl, MEMSUFFIX)((void *)T0);
         if (dst == 32)
             dst = 0;
     }
     if (T1 > 0) {
         tmp = 0;
         for (sh = 24; T1 > 0; T1--, T0++, sh -= 8) {
-            tmp |= glue(_ldub, MEMSUFFIX)((void *)T0, ACCESS_INT) << sh;
+            tmp |= glue(ldub, MEMSUFFIX)((void *)T0) << sh;
         }
         ugpr(dst) = tmp;
     }
@@ -30,14 +30,13 @@ void glue(do_stsw, MEMSUFFIX) (int src)
                 __func__, T0, T1, src);
     }
     for (; T1 > 3; T1 -= 4, T0 += 4) {
-        glue(_stl, MEMSUFFIX)((void *)T0, ugpr(src++), ACCESS_INT);
+        glue(stl, MEMSUFFIX)((void *)T0, ugpr(src++));
         if (src == 32)
             src = 0;
     }
     if (T1 > 0) {
         for (sh = 24; T1 > 0; T1--, T0++, sh -= 8)
-            glue(_stb, MEMSUFFIX)((void *)T0, (ugpr(src) >> sh) & 0xFF,
-                                  ACCESS_INT);
+            glue(stb, MEMSUFFIX)((void *)T0, (ugpr(src) >> sh) & 0xFF);
     }
 }
@@ -2,68 +2,62 @@
 void glue(do_lsw, MEMSUFFIX) (int dst);
 void glue(do_stsw, MEMSUFFIX) (int src);
-/* Internal helpers for sign extension and byte-reverse */
-static inline uint32_t glue(_ld16x, MEMSUFFIX) (void *EA, int type)
+static inline uint16_t glue(ld16r, MEMSUFFIX) (void *EA)
 {
-    return s_ext16(glue(_lduw, MEMSUFFIX)(EA, type));
-}
-
-static inline uint16_t glue(_ld16r, MEMSUFFIX) (void *EA, int type)
-{
-    uint16_t tmp = glue(_lduw, MEMSUFFIX)(EA, type);
+    uint16_t tmp = glue(lduw, MEMSUFFIX)(EA);
     return ((tmp & 0xFF00) >> 8) | ((tmp & 0x00FF) << 8);
 }
-static inline uint32_t glue(_ld32r, MEMSUFFIX) (void *EA, int type)
+static inline uint32_t glue(ld32r, MEMSUFFIX) (void *EA)
 {
-    uint32_t tmp = glue(_ldl, MEMSUFFIX)(EA, type);
+    uint32_t tmp = glue(ldl, MEMSUFFIX)(EA);
     return ((tmp & 0xFF000000) >> 24) | ((tmp & 0x00FF0000) >> 8) |
         ((tmp & 0x0000FF00) << 8) | ((tmp & 0x000000FF) << 24);
 }
-static inline void glue(_st16r, MEMSUFFIX) (void *EA, uint16_t data, int type)
+static inline void glue(st16r, MEMSUFFIX) (void *EA, uint16_t data)
 {
     uint16_t tmp = ((data & 0xFF00) >> 8) | ((data & 0x00FF) << 8);
-    glue(_stw, MEMSUFFIX)(EA, tmp, type);
+    glue(stw, MEMSUFFIX)(EA, tmp);
 }
-static inline void glue(_st32r, MEMSUFFIX) (void *EA, uint32_t data, int type)
+static inline void glue(st32r, MEMSUFFIX) (void *EA, uint32_t data)
 {
     uint32_t tmp = ((data & 0xFF000000) >> 24) | ((data & 0x00FF0000) >> 8) |
         ((data & 0x0000FF00) << 8) | ((data & 0x000000FF) << 24);
-    glue(_stl, MEMSUFFIX)(EA, tmp, type);
+    glue(stl, MEMSUFFIX)(EA, tmp);
 }
 /***                             Integer load                              ***/
 #define PPC_LD_OP(name, op)                                                   \
 PPC_OP(glue(glue(l, name), MEMSUFFIX))                                        \
 {                                                                             \
-    T1 = glue(op, MEMSUFFIX)((void *)T0, ACCESS_INT);                         \
+    T1 = glue(op, MEMSUFFIX)((void *)T0);                                     \
     RETURN();                                                                 \
 }
 #define PPC_ST_OP(name, op)                                                   \
 PPC_OP(glue(glue(st, name), MEMSUFFIX))                                       \
 {                                                                             \
-    glue(op, MEMSUFFIX)((void *)T0, T1, ACCESS_INT);                          \
+    glue(op, MEMSUFFIX)((void *)T0, T1);                                      \
     RETURN();                                                                 \
 }
-PPC_LD_OP(bz, _ldub);
-PPC_LD_OP(ha, _ld16x);
-PPC_LD_OP(hz, _lduw);
-PPC_LD_OP(wz, _ldl);
+PPC_LD_OP(bz, ldub);
+PPC_LD_OP(ha, ldsw);
+PPC_LD_OP(hz, lduw);
+PPC_LD_OP(wz, ldl);
 /***                              Integer store                            ***/
-PPC_ST_OP(b, _stb);
-PPC_ST_OP(h, _stw);
-PPC_ST_OP(w, _stl);
+PPC_ST_OP(b, stb);
+PPC_ST_OP(h, stw);
+PPC_ST_OP(w, stl);
 /***                Integer load and store with byte reverse               ***/
-PPC_LD_OP(hbr, _ld16r);
-PPC_LD_OP(wbr, _ld32r);
-PPC_ST_OP(hbr, _st16r);
-PPC_ST_OP(wbr, _st32r);
+PPC_LD_OP(hbr, ld16r);
+PPC_LD_OP(wbr, ld32r);
+PPC_ST_OP(hbr, st16r);
+PPC_ST_OP(wbr, st32r);
 /***                    Integer load and store multiple                    ***/
 PPC_OP(glue(lmw, MEMSUFFIX))
@@ -71,7 +65,7 @@ PPC_OP(glue(lmw, MEMSUFFIX))
     int dst = PARAM(1);
     for (; dst < 32; dst++, T0 += 4) {
-        ugpr(dst) = glue(_ldl, MEMSUFFIX)((void *)T0, ACCESS_INT);
+        ugpr(dst) = glue(ldl, MEMSUFFIX)((void *)T0);
     }
     RETURN();
 }
@@ -81,7 +75,7 @@ PPC_OP(glue(stmw, MEMSUFFIX))
     int src = PARAM(1);
     for (; src < 32; src++, T0 += 4) {
-        glue(_stl, MEMSUFFIX)((void *)T0, ugpr(src), ACCESS_INT);
+        glue(stl, MEMSUFFIX)((void *)T0, ugpr(src));
     }
     RETURN();
 }
@@ -150,7 +144,7 @@ PPC_OP(glue(stwcx, MEMSUFFIX))
         if (regs->reserve != T0) {
             env->crf[0] = xer_ov;
         } else {
-            glue(_stl, MEMSUFFIX)((void *)T0, T1, ACCESS_RES);
+            glue(stl, MEMSUFFIX)((void *)T0, T1);
             env->crf[0] = xer_ov | 0x02;
         }
     }
@@ -160,27 +154,27 @@ PPC_OP(glue(stwcx, MEMSUFFIX))
 PPC_OP(glue(dcbz, MEMSUFFIX))
 {
-    glue(_stl, MEMSUFFIX)((void *)(T0 + 0x00), 0, ACCESS_INT);
-    glue(_stl, MEMSUFFIX)((void *)(T0 + 0x04), 0, ACCESS_INT);
-    glue(_stl, MEMSUFFIX)((void *)(T0 + 0x08), 0, ACCESS_INT);
-    glue(_stl, MEMSUFFIX)((void *)(T0 + 0x0C), 0, ACCESS_INT);
-    glue(_stl, MEMSUFFIX)((void *)(T0 + 0x10), 0, ACCESS_INT);
-    glue(_stl, MEMSUFFIX)((void *)(T0 + 0x14), 0, ACCESS_INT);
-    glue(_stl, MEMSUFFIX)((void *)(T0 + 0x18), 0, ACCESS_INT);
-    glue(_stl, MEMSUFFIX)((void *)(T0 + 0x1C), 0, ACCESS_INT);
+    glue(stl, MEMSUFFIX)((void *)(T0 + 0x00), 0);
+    glue(stl, MEMSUFFIX)((void *)(T0 + 0x04), 0);
+    glue(stl, MEMSUFFIX)((void *)(T0 + 0x08), 0);
+    glue(stl, MEMSUFFIX)((void *)(T0 + 0x0C), 0);
+    glue(stl, MEMSUFFIX)((void *)(T0 + 0x10), 0);
+    glue(stl, MEMSUFFIX)((void *)(T0 + 0x14), 0);
+    glue(stl, MEMSUFFIX)((void *)(T0 + 0x18), 0);
+    glue(stl, MEMSUFFIX)((void *)(T0 + 0x1C), 0);
     RETURN();
 }
 /* External access */
 PPC_OP(glue(eciwx, MEMSUFFIX))
 {
-    T1 = glue(_ldl, MEMSUFFIX)((void *)T0, ACCESS_EXT);
+    T1 = glue(ldl, MEMSUFFIX)((void *)T0);
     RETURN();
 }
 PPC_OP(glue(ecowx, MEMSUFFIX))
 {
-    glue(_stl, MEMSUFFIX)((void *)T0, T1, ACCESS_EXT);
+    glue(stl, MEMSUFFIX)((void *)T0, T1);
     RETURN();
 }