win32 port (initial patch by kazu)

[qemu] / hw / i8259.c

diff --git a/hw/i8259.c b/hw/i8259.c
index 08c7be3..8fabaf7 100644 (file)
--- a/hw/i8259.c
+++ b/hw/i8259.c
@@ -21,31 +21,13 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <string.h>
-#include <getopt.h>
-#include <inttypes.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <time.h>
-#include <sys/time.h>
-#include <malloc.h>
-#include <termios.h>
-#include <sys/poll.h>
-#include <errno.h>
-#include <sys/wait.h>
-#include <netinet/in.h>
-
-#include "cpu.h"
 #include "vl.h"
 
 /* debug PIC */
 //#define DEBUG_PIC
 
+//#define DEBUG_IRQ_LATENCY
+
 typedef struct PicState {
     uint8_t last_irr; /* edge detection */
     uint8_t irr; /* interrupt request register */
@@ -120,7 +102,7 @@ static int pic_get_irq(PicState *s)
 
 /* raise irq to CPU if necessary. must be called every time the active
    irq may change */
-void pic_update_irq(void)
+static void pic_update_irq(void)
 {
     int irq2, irq;
 
@@ -158,7 +140,6 @@ void pic_update_irq(void)
 
 #ifdef DEBUG_IRQ_LATENCY
 int64_t irq_time[16];
-int64_t cpu_get_ticks(void);
 #endif
 #if defined(DEBUG_PIC)
 int irq_level[16];
@@ -220,15 +201,14 @@ int cpu_x86_get_pic_interrupt(CPUState *env)
     return intno;
 }
 
-void pic_ioport_write(CPUState *env, uint32_t addr, uint32_t val)
+static void pic_ioport_write(void *opaque, uint32_t addr, uint32_t val)
 {
-    PicState *s;
+    PicState *s = opaque;
     int priority, cmd, irq;
 
 #ifdef DEBUG_PIC
     printf("pic_write: addr=0x%02x val=0x%02x\n", addr, val);
 #endif
-    s = &pics[addr >> 7];
     addr &= 1;
     if (addr == 0) {
         if (val & 0x10) {
@@ -334,14 +314,13 @@ static uint32_t pic_poll_read (PicState *s, uint32_t addr1)
     return ret;
 }
 
-uint32_t pic_ioport_read(CPUState *env, uint32_t addr1)
+static uint32_t pic_ioport_read(void *opaque, uint32_t addr1)
 {
-    PicState *s;
+    PicState *s = opaque;
     unsigned int addr;
     int ret;
 
     addr = addr1;
-    s = &pics[addr >> 7];
     addr &= 1;
     if (s->poll) {
         ret = pic_poll_read(s, addr1);
@@ -376,13 +355,62 @@ uint32_t pic_intack_read(CPUState *env)
     return ret;
 }
 
+static void pic_save(QEMUFile *f, void *opaque)
+{
+    PicState *s = opaque;
+    
+    qemu_put_8s(f, &s->last_irr);
+    qemu_put_8s(f, &s->irr);
+    qemu_put_8s(f, &s->imr);
+    qemu_put_8s(f, &s->isr);
+    qemu_put_8s(f, &s->priority_add);
+    qemu_put_8s(f, &s->irq_base);
+    qemu_put_8s(f, &s->read_reg_select);
+    qemu_put_8s(f, &s->poll);
+    qemu_put_8s(f, &s->special_mask);
+    qemu_put_8s(f, &s->init_state);
+    qemu_put_8s(f, &s->auto_eoi);
+    qemu_put_8s(f, &s->rotate_on_auto_eoi);
+    qemu_put_8s(f, &s->special_fully_nested_mode);
+    qemu_put_8s(f, &s->init4);
+}
+
+static int pic_load(QEMUFile *f, void *opaque, int version_id)
+{
+    PicState *s = opaque;
+    
+    if (version_id != 1)
+        return -EINVAL;
+
+    qemu_get_8s(f, &s->last_irr);
+    qemu_get_8s(f, &s->irr);
+    qemu_get_8s(f, &s->imr);
+    qemu_get_8s(f, &s->isr);
+    qemu_get_8s(f, &s->priority_add);
+    qemu_get_8s(f, &s->irq_base);
+    qemu_get_8s(f, &s->read_reg_select);
+    qemu_get_8s(f, &s->poll);
+    qemu_get_8s(f, &s->special_mask);
+    qemu_get_8s(f, &s->init_state);
+    qemu_get_8s(f, &s->auto_eoi);
+    qemu_get_8s(f, &s->rotate_on_auto_eoi);
+    qemu_get_8s(f, &s->special_fully_nested_mode);
+    qemu_get_8s(f, &s->init4);
+    return 0;
+}
+
+/* XXX: add generic master/slave system */
+static void pic_init1(int io_addr, PicState *s)
+{
+    register_ioport_write(io_addr, 2, 1, pic_ioport_write, s);
+    register_ioport_read(io_addr, 2, 1, pic_ioport_read, s);
+
+    register_savevm("i8259", io_addr, 1, pic_save, pic_load, s);
+}
+
 void pic_init(void)
 {
-#if defined (TARGET_I386) || defined (TARGET_PPC)
-    register_ioport_write(0x20, 2, pic_ioport_write, 1);
-    register_ioport_read(0x20, 2, pic_ioport_read, 1);
-    register_ioport_write(0xa0, 2, pic_ioport_write, 1);
-    register_ioport_read(0xa0, 2, pic_ioport_read, 1);
-#endif
+    pic_init1(0x20, &pics[0]);
+    pic_init1(0xa0, &pics[1]);
 }