Merge remote-tracking branch 'riku/linux-user-for-upstream' into staging

[qemu.git] / hw / omap_l4.c

diff --git a/hw/omap_l4.c b/hw/omap_l4.c
index ebec8747a9d46d8ca9921609c568ca76f8e02bf9..dbad7f67a8f38abc5d76c07f57cd8cfea549ec88 100644 (file)
--- a/hw/omap_l4.c
+++ b/hw/omap_l4.c
@@ -20,25 +20,20 @@
 #include "hw.h"
 #include "omap.h"
 
-int l4_register_io_memory(CPUReadMemoryFunc * const *mem_read,
-                          CPUWriteMemoryFunc * const *mem_write,
-                          void *opaque)
-{
-    return cpu_register_io_memory(mem_read, mem_write, opaque,
-                                  DEVICE_NATIVE_ENDIAN);
-}
-
 struct omap_l4_s {
+    MemoryRegion *address_space;
     target_phys_addr_t base;
     int ta_num;
     struct omap_target_agent_s ta[0];
 };
 
-struct omap_l4_s *omap_l4_init(target_phys_addr_t base, int ta_num)
+struct omap_l4_s *omap_l4_init(MemoryRegion *address_space,
+                               target_phys_addr_t base, int ta_num)
 {
     struct omap_l4_s *bus = g_malloc0(
                     sizeof(*bus) + ta_num * sizeof(*bus->ta));
 
+    bus->address_space = address_space;
     bus->ta_num = ta_num;
     bus->base = base;
 
@@ -51,10 +46,21 @@ target_phys_addr_t omap_l4_region_base(struct omap_target_agent_s *ta,
     return ta->bus->base + ta->start[region].offset;
 }
 
-static uint32_t omap_l4ta_read(void *opaque, target_phys_addr_t addr)
+target_phys_addr_t omap_l4_region_size(struct omap_target_agent_s *ta,
+                                       int region)
+{
+    return ta->start[region].size;
+}
+
+static uint64_t omap_l4ta_read(void *opaque, target_phys_addr_t addr,
+                               unsigned size)
 {
     struct omap_target_agent_s *s = (struct omap_target_agent_s *) opaque;
 
+    if (size != 2) {
+        return omap_badwidth_read16(opaque, addr);
+    }
+
     switch (addr) {
     case 0x00: /* COMPONENT */
         return s->component;
@@ -71,10 +77,14 @@ static uint32_t omap_l4ta_read(void *opaque, target_phys_addr_t addr)
 }
 
 static void omap_l4ta_write(void *opaque, target_phys_addr_t addr,
-                uint32_t value)
+                            uint64_t value, unsigned size)
 {
     struct omap_target_agent_s *s = (struct omap_target_agent_s *) opaque;
 
+    if (size != 4) {
+        return omap_badwidth_write32(opaque, addr, value);
+    }
+
     switch (addr) {
     case 0x00: /* COMPONENT */
     case 0x28: /* AGENT_STATUS */
@@ -92,16 +102,10 @@ static void omap_l4ta_write(void *opaque, target_phys_addr_t addr,
     }
 }
 
-static CPUReadMemoryFunc * const omap_l4ta_readfn[] = {
-    omap_badwidth_read16,
-    omap_l4ta_read,
-    omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc * const omap_l4ta_writefn[] = {
-    omap_badwidth_write32,
-    omap_badwidth_write32,
-    omap_l4ta_write,
+static const MemoryRegionOps omap_l4ta_ops = {
+    .read = omap_l4ta_read,
+    .write = omap_l4ta_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
 struct omap_target_agent_s *omap_l4ta_get(struct omap_l4_s *bus,
@@ -109,7 +113,7 @@ struct omap_target_agent_s *omap_l4ta_get(struct omap_l4_s *bus,
        const struct omap_l4_agent_info_s *agents,
        int cs)
 {
-    int i, iomemtype;
+    int i;
     struct omap_target_agent_s *ta = NULL;
     const struct omap_l4_agent_info_s *info = NULL;
 
@@ -132,18 +136,17 @@ struct omap_target_agent_s *omap_l4ta_get(struct omap_l4_s *bus,
     ta->status = 0x00000000;
     ta->control = 0x00000200;  /* XXX 01000200 for L4TAO */
 
-    iomemtype = l4_register_io_memory(omap_l4ta_readfn,
-                    omap_l4ta_writefn, ta);
-    ta->base = omap_l4_attach(ta, info->ta_region, iomemtype);
+    memory_region_init_io(&ta->iomem, &omap_l4ta_ops, ta, "omap.l4ta",
+                          omap_l4_region_size(ta, info->ta_region));
+    omap_l4_attach(ta, info->ta_region, &ta->iomem);
 
     return ta;
 }
 
-target_phys_addr_t omap_l4_attach(struct omap_target_agent_s *ta, int region,
-                int iotype)
+target_phys_addr_t omap_l4_attach(struct omap_target_agent_s *ta,
+                                         int region, MemoryRegion *mr)
 {
     target_phys_addr_t base;
-    ssize_t size;
 
     if (region < 0 || region >= ta->regions) {
         fprintf(stderr, "%s: bad io region (%i)\n", __FUNCTION__, region);
@@ -151,9 +154,8 @@ target_phys_addr_t omap_l4_attach(struct omap_target_agent_s *ta, int region,
     }
 
     base = ta->bus->base + ta->start[region].offset;
-    size = ta->start[region].size;
-    if (iotype) {
-        cpu_register_physical_memory(base, size, iotype);
+    if (mr) {
+        memory_region_add_subregion(ta->bus->address_space, base, mr);
     }
 
     return base;