mcf_uart: convert to memory API

Signed-off-by: Benoît Canet <benoit.canet@gmail.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

hw/mcf.h

@@ -5,11 +5,14 @@
 struct MemoryRegion;
 
 /* mcf_uart.c */
-uint32_t mcf_uart_read(void *opaque, target_phys_addr_t addr);
-void mcf_uart_write(void *opaque, target_phys_addr_t addr, uint32_t val);
+uint64_t mcf_uart_read(void *opaque, target_phys_addr_t addr,
+                       unsigned size);
+void mcf_uart_write(void *opaque, target_phys_addr_t addr,
+                    uint64_t val, unsigned size);
 void *mcf_uart_init(qemu_irq irq, CharDriverState *chr);
-void mcf_uart_mm_init(target_phys_addr_t base, qemu_irq irq,
-                      CharDriverState *chr);
+void mcf_uart_mm_init(struct MemoryRegion *sysmem,
+                      target_phys_addr_t base,
+                      qemu_irq irq, CharDriverState *chr);
 
 /* mcf_intc.c */
 qemu_irq *mcf_intc_init(target_phys_addr_t base, CPUState *env);

hw/mcf5206.c

@@ -263,16 +263,17 @@ static void m5206_mbar_reset(m5206_mbar_state *s)
     s->par = 0;
 }
 
-static uint32_t m5206_mbar_read(m5206_mbar_state *s, uint32_t offset)
+static uint64_t m5206_mbar_read(m5206_mbar_state *s,
+                                uint64_t offset, unsigned size)
 {
     if (offset >= 0x100 && offset < 0x120) {
         return m5206_timer_read(s->timer[0], offset - 0x100);
     } else if (offset >= 0x120 && offset < 0x140) {
         return m5206_timer_read(s->timer[1], offset - 0x120);
     } else if (offset >= 0x140 && offset < 0x160) {
-        return mcf_uart_read(s->uart[0], offset - 0x140);
+        return mcf_uart_read(s->uart[0], offset - 0x140, size);
     } else if (offset >= 0x180 && offset < 0x1a0) {
-        return mcf_uart_read(s->uart[1], offset - 0x180);
+        return mcf_uart_read(s->uart[1], offset - 0x180, size);
     }
     switch (offset) {
     case 0x03: return s->scr;
@@ -301,7 +302,7 @@ static uint32_t m5206_mbar_read(m5206_mbar_state *s, uint32_t offset)
 }
 
 static void m5206_mbar_write(m5206_mbar_state *s, uint32_t offset,
-                             uint32_t value)
+                             uint64_t value, unsigned size)
 {
     if (offset >= 0x100 && offset < 0x120) {
         m5206_timer_write(s->timer[0], offset - 0x100, value);
@@ -310,10 +311,10 @@ static void m5206_mbar_write(m5206_mbar_state *s, uint32_t offset,
         m5206_timer_write(s->timer[1], offset - 0x120, value);
         return;
     } else if (offset >= 0x140 && offset < 0x160) {
-        mcf_uart_write(s->uart[0], offset - 0x140, value);
+        mcf_uart_write(s->uart[0], offset - 0x140, value, size);
         return;
     } else if (offset >= 0x180 && offset < 0x1a0) {
-        mcf_uart_write(s->uart[1], offset - 0x180, value);
+        mcf_uart_write(s->uart[1], offset - 0x180, value, size);
         return;
     }
     switch (offset) {
@@ -387,7 +388,7 @@ static uint32_t m5206_mbar_readb(void *opaque, target_phys_addr_t offset)
         }
         return val & 0xff;
     }
-    return m5206_mbar_read(s, offset);
+    return m5206_mbar_read(s, offset, 1);
 }
 
 static uint32_t m5206_mbar_readw(void *opaque, target_phys_addr_t offset)
@@ -411,7 +412,7 @@ static uint32_t m5206_mbar_readw(void *opaque, target_phys_addr_t offset)
         val |= m5206_mbar_readb(opaque, offset + 1);
         return val;
     }
-    return m5206_mbar_read(s, offset);
+    return m5206_mbar_read(s, offset, 2);
 }
 
 static uint32_t m5206_mbar_readl(void *opaque, target_phys_addr_t offset)
@@ -429,7 +430,7 @@ static uint32_t m5206_mbar_readl(void *opaque, target_phys_addr_t offset)
         val |= m5206_mbar_readw(opaque, offset + 2);
         return val;
     }
-    return m5206_mbar_read(s, offset);
+    return m5206_mbar_read(s, offset, 4);
 }
 
 static void m5206_mbar_writew(void *opaque, target_phys_addr_t offset,
@@ -458,7 +459,7 @@ static void m5206_mbar_writeb(void *opaque, target_phys_addr_t offset,
         m5206_mbar_writew(opaque, offset & ~1, tmp);
         return;
     }
-    m5206_mbar_write(s, offset, value);
+    m5206_mbar_write(s, offset, value, 1);
 }
 
 static void m5206_mbar_writew(void *opaque, target_phys_addr_t offset,
@@ -486,7 +487,7 @@ static void m5206_mbar_writew(void *opaque, target_phys_addr_t offset,
         m5206_mbar_writeb(opaque, offset + 1, value & 0xff);
         return;
     }
-    m5206_mbar_write(s, offset, value);
+    m5206_mbar_write(s, offset, value, 2);
 }
 
 static void m5206_mbar_writel(void *opaque, target_phys_addr_t offset,
@@ -504,7 +505,7 @@ static void m5206_mbar_writel(void *opaque, target_phys_addr_t offset,
         m5206_mbar_writew(opaque, offset + 2, value & 0xffff);
         return;
     }
-    m5206_mbar_write(s, offset, value);
+    m5206_mbar_write(s, offset, value, 4);
 }
 
 static const MemoryRegionOps m5206_mbar_ops = {

hw/mcf5208.c

@@ -223,9 +223,9 @@ static void mcf5208evb_init(ram_addr_t ram_size,
     /* Internal peripherals.  */
     pic = mcf_intc_init(0xfc048000, env);
 
-    mcf_uart_mm_init(0xfc060000, pic[26], serial_hds[0]);
-    mcf_uart_mm_init(0xfc064000, pic[27], serial_hds[1]);
-    mcf_uart_mm_init(0xfc068000, pic[28], serial_hds[2]);
+    mcf_uart_mm_init(address_space_mem, 0xfc060000, pic[26], serial_hds[0]);
+    mcf_uart_mm_init(address_space_mem, 0xfc064000, pic[27], serial_hds[1]);
+    mcf_uart_mm_init(address_space_mem, 0xfc068000, pic[28], serial_hds[2]);
 
     mcf5208_sys_init(address_space_mem, pic);
 

hw/mcf_uart.c

@@ -8,8 +8,10 @@
 #include "hw.h"
 #include "mcf.h"
 #include "qemu-char.h"
+#include "exec-memory.h"
 
 typedef struct {
+    MemoryRegion iomem;
     uint8_t mr[2];
     uint8_t sr;
     uint8_t isr;
@@ -64,7 +66,8 @@ static void mcf_uart_update(mcf_uart_state *s)
     qemu_set_irq(s->irq, (s->isr & s->imr) != 0);
 }
 
-uint32_t mcf_uart_read(void *opaque, target_phys_addr_t addr)
+uint64_t mcf_uart_read(void *opaque, target_phys_addr_t addr,
+                       unsigned size)
 {
     mcf_uart_state *s = (mcf_uart_state *)opaque;
     switch (addr & 0x3f) {
@@ -182,7 +185,8 @@ static void mcf_do_command(mcf_uart_state *s, uint8_t cmd)
     }
 }
 
-void mcf_uart_write(void *opaque, target_phys_addr_t addr, uint32_t val)
+void mcf_uart_write(void *opaque, target_phys_addr_t addr,
+                    uint64_t val, unsigned size)
 {
     mcf_uart_state *s = (mcf_uart_state *)opaque;
     switch (addr & 0x3f) {
@@ -283,28 +287,20 @@ void *mcf_uart_init(qemu_irq irq, CharDriverState *chr)
     return s;
 }
 
-
-static CPUReadMemoryFunc * const mcf_uart_readfn[] = {
-   mcf_uart_read,
-   mcf_uart_read,
-   mcf_uart_read
-};
-
-static CPUWriteMemoryFunc * const mcf_uart_writefn[] = {
-   mcf_uart_write,
-   mcf_uart_write,
-   mcf_uart_write
+static const MemoryRegionOps mcf_uart_ops = {
+    .read = mcf_uart_read,
+    .write = mcf_uart_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
-void mcf_uart_mm_init(target_phys_addr_t base, qemu_irq irq,
+void mcf_uart_mm_init(MemoryRegion *sysmem,
+                      target_phys_addr_t base,
+                      qemu_irq irq,
                       CharDriverState *chr)
 {
     mcf_uart_state *s;
-    int iomemtype;
 
     s = mcf_uart_init(irq, chr);
-    iomemtype = cpu_register_io_memory(mcf_uart_readfn,
-                                       mcf_uart_writefn, s,
-                                       DEVICE_NATIVE_ENDIAN);
-    cpu_register_physical_memory(base, 0x40, iomemtype);
+    memory_region_init_io(&s->iomem, &mcf_uart_ops, s, "uart", 0x40);
+    memory_region_add_subregion(sysmem, base, &s->iomem);
 }