openpic: unify memory api subregions

The only difference between the "openpic" and "mpic" memory api subregion
descriptors is the endianness. Unify them as openpic accessors with explicit
endianness markers in their names.
Signed-off-by: NAlexander Graf <agraf@suse.de>

hw/openpic.c

@@ -867,7 +867,7 @@ static uint64_t openpic_cpu_read(void *opaque, hwaddr addr, unsigned len)
     return openpic_cpu_read_internal(opaque, addr, (addr & 0x1f000) >> 12);
 }
 
-static const MemoryRegionOps openpic_glb_ops = {
+static const MemoryRegionOps openpic_glb_ops_le = {
     .write = openpic_gbl_write,
     .read  = openpic_gbl_read,
     .endianness = DEVICE_LITTLE_ENDIAN,
@@ -877,7 +877,17 @@ static const MemoryRegionOps openpic_glb_ops = {
     },
 };
 
-static const MemoryRegionOps openpic_tmr_ops = {
+static const MemoryRegionOps openpic_glb_ops_be = {
+    .write = openpic_gbl_write,
+    .read  = openpic_gbl_read,
+    .endianness = DEVICE_BIG_ENDIAN,
+    .impl = {
+        .min_access_size = 4,
+        .max_access_size = 4,
+    },
+};
+
+static const MemoryRegionOps openpic_tmr_ops_le = {
     .write = openpic_timer_write,
     .read  = openpic_timer_read,
     .endianness = DEVICE_LITTLE_ENDIAN,
@@ -887,7 +897,17 @@ static const MemoryRegionOps openpic_tmr_ops = {
     },
 };
 
-static const MemoryRegionOps openpic_cpu_ops = {
+static const MemoryRegionOps openpic_tmr_ops_be = {
+    .write = openpic_timer_write,
+    .read  = openpic_timer_read,
+    .endianness = DEVICE_BIG_ENDIAN,
+    .impl = {
+        .min_access_size = 4,
+        .max_access_size = 4,
+    },
+};
+
+static const MemoryRegionOps openpic_cpu_ops_le = {
     .write = openpic_cpu_write,
     .read  = openpic_cpu_read,
     .endianness = DEVICE_LITTLE_ENDIAN,
@@ -897,7 +917,17 @@ static const MemoryRegionOps openpic_cpu_ops = {
     },
 };
 
-static const MemoryRegionOps openpic_src_ops = {
+static const MemoryRegionOps openpic_cpu_ops_be = {
+    .write = openpic_cpu_write,
+    .read  = openpic_cpu_read,
+    .endianness = DEVICE_BIG_ENDIAN,
+    .impl = {
+        .min_access_size = 4,
+        .max_access_size = 4,
+    },
+};
+
+static const MemoryRegionOps openpic_src_ops_le = {
     .write = openpic_src_write,
     .read  = openpic_src_read,
     .endianness = DEVICE_LITTLE_ENDIAN,
@@ -907,6 +937,16 @@ static const MemoryRegionOps openpic_src_ops = {
     },
 };
 
+static const MemoryRegionOps openpic_src_ops_be = {
+    .write = openpic_src_write,
+    .read  = openpic_src_read,
+    .endianness = DEVICE_BIG_ENDIAN,
+    .impl = {
+        .min_access_size = 4,
+        .max_access_size = 4,
+    },
+};
+
 static void openpic_save_IRQ_queue(QEMUFile* f, IRQ_queue_t *q)
 {
     unsigned int i;
@@ -1026,10 +1066,14 @@ qemu_irq *openpic_init (MemoryRegion **pmem, int nb_cpus,
         hwaddr      start_addr;
         ram_addr_t              size;
     } const list[] = {
-        {"glb", &openpic_glb_ops, OPENPIC_GLB_REG_START, OPENPIC_GLB_REG_SIZE},
-        {"tmr", &openpic_tmr_ops, OPENPIC_TMR_REG_START, OPENPIC_TMR_REG_SIZE},
-        {"src", &openpic_src_ops, OPENPIC_SRC_REG_START, OPENPIC_SRC_REG_SIZE},
-        {"cpu", &openpic_cpu_ops, OPENPIC_CPU_REG_START, OPENPIC_CPU_REG_SIZE},
+        {"glb", &openpic_glb_ops_le, OPENPIC_GLB_REG_START,
+                                     OPENPIC_GLB_REG_SIZE},
+        {"tmr", &openpic_tmr_ops_le, OPENPIC_TMR_REG_START,
+                                     OPENPIC_TMR_REG_SIZE},
+        {"src", &openpic_src_ops_le, OPENPIC_SRC_REG_START,
+                                     OPENPIC_SRC_REG_SIZE},
+        {"cpu", &openpic_cpu_ops_le, OPENPIC_CPU_REG_START,
+                                     OPENPIC_CPU_REG_SIZE},
     };
 
     /* XXX: for now, only one CPU is supported */
@@ -1086,46 +1130,6 @@ qemu_irq *openpic_init (MemoryRegion **pmem, int nb_cpus,
     return qemu_allocate_irqs(openpic_set_irq, opp, opp->max_irq);
 }
 
-static const MemoryRegionOps mpic_glb_ops = {
-    .write = openpic_gbl_write,
-    .read  = openpic_gbl_read,
-    .endianness = DEVICE_BIG_ENDIAN,
-    .impl = {
-        .min_access_size = 4,
-        .max_access_size = 4,
-    },
-};
-
-static const MemoryRegionOps mpic_tmr_ops = {
-    .write = openpic_timer_write,
-    .read  = openpic_timer_read,
-    .endianness = DEVICE_BIG_ENDIAN,
-    .impl = {
-        .min_access_size = 4,
-        .max_access_size = 4,
-    },
-};
-
-static const MemoryRegionOps mpic_cpu_ops = {
-    .write = openpic_cpu_write,
-    .read  = openpic_cpu_read,
-    .endianness = DEVICE_BIG_ENDIAN,
-    .impl = {
-        .min_access_size = 4,
-        .max_access_size = 4,
-    },
-};
-
-static const MemoryRegionOps mpic_irq_ops = {
-    .write = openpic_src_write,
-    .read  = openpic_src_read,
-    .endianness = DEVICE_BIG_ENDIAN,
-    .impl = {
-        .min_access_size = 4,
-        .max_access_size = 4,
-    },
-};
-
 qemu_irq *mpic_init (MemoryRegion *address_space, hwaddr base,
                      int nb_cpus, qemu_irq **irqs, qemu_irq irq_out)
 {
@@ -1137,10 +1141,10 @@ qemu_irq *mpic_init (MemoryRegion *address_space, hwaddr base,
         hwaddr      start_addr;
         ram_addr_t              size;
     } const list[] = {
-        {"glb", &mpic_glb_ops, MPIC_GLB_REG_START, MPIC_GLB_REG_SIZE},
-        {"tmr", &mpic_tmr_ops, MPIC_TMR_REG_START, MPIC_TMR_REG_SIZE},
-        {"src", &mpic_irq_ops, MPIC_SRC_REG_START, MPIC_SRC_REG_SIZE},
-        {"cpu", &mpic_cpu_ops, MPIC_CPU_REG_START, MPIC_CPU_REG_SIZE},
+        {"glb", &openpic_glb_ops_be, MPIC_GLB_REG_START, MPIC_GLB_REG_SIZE},
+        {"tmr", &openpic_tmr_ops_be, MPIC_TMR_REG_START, MPIC_TMR_REG_SIZE},
+        {"src", &openpic_src_ops_be, MPIC_SRC_REG_START, MPIC_SRC_REG_SIZE},
+        {"cpu", &openpic_cpu_ops_be, MPIC_CPU_REG_START, MPIC_CPU_REG_SIZE},
     };
 
     mpp = g_malloc0(sizeof(openpic_t));