Clean up rc4030 init function

At the moment, rc4030 init function is returning some function pointers.
Mark them non-static and define them in header file instead.
Export also a function to read/write DMA memory, it will be required by
the netcard.
Signed-off-by: NHervé Poussineau <hpoussin@reactos.org>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7072 c046a42c-6fe2-441c-8c8c-71466251a162

hw/mips.h

@@ -28,9 +28,11 @@ extern void cpu_mips_clock_init(CPUState *);
 
 /* rc4030.c */
 typedef struct rc4030DMAState *rc4030_dma;
-typedef void (*rc4030_dma_function)(void *dma, uint8_t *buf, int len);
-qemu_irq *rc4030_init(qemu_irq timer, qemu_irq jazz_bus,
-                      rc4030_dma **dmas,
-                      rc4030_dma_function *dma_read, rc4030_dma_function *dma_write);
+void rc4030_dma_memory_rw(void *opaque, target_phys_addr_t addr, uint8_t *buf, int len, int is_write);
+void rc4030_dma_read(void *dma, uint8_t *buf, int len);
+void rc4030_dma_write(void *dma, uint8_t *buf, int len);
+
+void *rc4030_init(qemu_irq timer, qemu_irq jazz_bus,
+                  qemu_irq **irqs, rc4030_dma **dmas);
 
 #endif

hw/mips_jazz.c

@@ -133,7 +133,7 @@ void mips_jazz_init (ram_addr_t ram_size, int vga_ram_size,
     CPUState *env;
     qemu_irq *rc4030, *i8259;
     rc4030_dma *dmas;
-    rc4030_dma_function dma_read, dma_write;
+    void* rc4030_opaque;
     void *scsi_hba;
     int hd;
     int s_rtc, s_dma_dummy;
@@ -185,8 +185,7 @@ void mips_jazz_init (ram_addr_t ram_size, int vga_ram_size,
     cpu_mips_clock_init(env);
 
     /* Chipset */
-    rc4030 = rc4030_init(env->irq[6], env->irq[3],
-                         &dmas, &dma_read, &dma_write);
+    rc4030_opaque = rc4030_init(env->irq[6], env->irq[3], &rc4030, &dmas);
     s_dma_dummy = cpu_register_io_memory(0, dma_dummy_read, dma_dummy_write, NULL);
     cpu_register_physical_memory(0x8000d000, 0x00001000, s_dma_dummy);
 
@@ -217,7 +216,7 @@ void mips_jazz_init (ram_addr_t ram_size, int vga_ram_size,
 
     /* SCSI adapter */
     scsi_hba = esp_init(0x80002000, 0,
-                        dma_read, dma_write, dmas[0],
+                        rc4030_dma_read, rc4030_dma_write, dmas[0],
                         rc4030[5], &esp_reset);
     for (n = 0; n < ESP_MAX_DEVS; n++) {
         hd = drive_get_index(IF_SCSI, 0, n);

hw/rc4030.c

@@ -675,7 +675,7 @@ static void rc4030_save(QEMUFile *f, void *opaque)
     qemu_put_be32(f, s->itr);
 }
 
-static void rc4030_dma_memory_rw(void *opaque, target_phys_addr_t addr, uint8_t *buf, int len, int is_write)
+void rc4030_dma_memory_rw(void *opaque, target_phys_addr_t addr, uint8_t *buf, int len, int is_write)
 {
     rc4030State *s = opaque;
     target_phys_addr_t entry_addr;
@@ -766,13 +766,13 @@ struct rc4030DMAState {
     int n;
 };
 
-static void rc4030_dma_read(void *dma, uint8_t *buf, int len)
+void rc4030_dma_read(void *dma, uint8_t *buf, int len)
 {
     rc4030_dma s = dma;
     rc4030_do_dma(s->opaque, s->n, buf, len, 0);
 }
 
-static void rc4030_dma_write(void *dma, uint8_t *buf, int len)
+void rc4030_dma_write(void *dma, uint8_t *buf, int len)
 {
     rc4030_dma s = dma;
     rc4030_do_dma(s->opaque, s->n, buf, len, 1);
@@ -795,18 +795,16 @@ static rc4030_dma *rc4030_allocate_dmas(void *opaque, int n)
     return s;
 }
 
-qemu_irq *rc4030_init(qemu_irq timer, qemu_irq jazz_bus,
-                      rc4030_dma **dmas,
-                      rc4030_dma_function *dma_read, rc4030_dma_function *dma_write)
+void *rc4030_init(qemu_irq timer, qemu_irq jazz_bus,
+                  qemu_irq **irqs, rc4030_dma **dmas)
 {
     rc4030State *s;
     int s_chipset, s_jazzio;
 
     s = qemu_mallocz(sizeof(rc4030State));
 
+    *irqs = qemu_allocate_irqs(rc4030_irq_jazz_request, s, 16);
     *dmas = rc4030_allocate_dmas(s, 4);
-    *dma_read = rc4030_dma_read;
-    *dma_write = rc4030_dma_write;
 
     s->periodic_timer = qemu_new_timer(vm_clock, rc4030_periodic_timer, s);
     s->timer_irq = timer;
@@ -821,5 +819,5 @@ qemu_irq *rc4030_init(qemu_irq timer, qemu_irq jazz_bus,
     s_jazzio = cpu_register_io_memory(0, jazzio_read, jazzio_write, s);
     cpu_register_physical_memory(0xf0000000, 0x00001000, s_jazzio);
 
-    return qemu_allocate_irqs(rc4030_irq_jazz_request, s, 16);
+    return s;
 }