Compile pckbd only once

Use a qemu_irq to indicate A20 line changes. Move I/O port 92
to pckbd.c.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

1 files changed, 11 insertions, 22 deletions

diff --git a/hw/pc.c b/hw/pc.c
index 7715b17..d2fb9be 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -365,26 +365,12 @@ void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
     rtc_set_memory(s, 0x39, val);
 }
 
-void ioport_set_a20(int enable)
+static void handle_a20_line_change(void *opaque, int irq, int level)
 {
-    /* XXX: send to all CPUs ? */
-    cpu_x86_set_a20(first_cpu, enable);
-}
-
-int ioport_get_a20(void)
-{
-    return ((first_cpu->a20_mask >> 20) & 1);
-}
-
-static void ioport92_write(void *opaque, uint32_t addr, uint32_t val)
-{
-    ioport_set_a20((val >> 1) & 1);
-    /* XXX: bit 0 is fast reset */
-}
+    CPUState *cpu = opaque;
 
-static uint32_t ioport92_read(void *opaque, uint32_t addr)
-{
-    return ioport_get_a20() << 1;
+    /* XXX: send to all CPUs ? */
+    cpu_x86_set_a20(cpu, level);
 }
 
 /***********************************************************/
@@ -935,6 +921,8 @@ void pc_basic_device_init(qemu_irq *isa_irq,
     int i;
     DriveInfo *fd[MAX_FD];
     PITState *pit;
+    qemu_irq *a20_line;
+    ISADevice *i8042;
 
     register_ioport_write(0x80, 1, 1, ioport80_write, NULL);
 
@@ -944,9 +932,6 @@ void pc_basic_device_init(qemu_irq *isa_irq,
 
     qemu_register_boot_set(pc_boot_set, *rtc_state);
 
-    register_ioport_read(0x92, 1, 1, ioport92_read, NULL);
-    register_ioport_write(0x92, 1, 1, ioport92_write, NULL);
-
     pit = pit_init(0x40, isa_reserve_irq(0));
     pcspk_init(pit);
     if (!no_hpet) {
@@ -965,7 +950,11 @@ void pc_basic_device_init(qemu_irq *isa_irq,
         }
     }
 
-    isa_create_simple("i8042");
+    a20_line = qemu_allocate_irqs(handle_a20_line_change, first_cpu, 1);
+    i8042 = isa_create_simple("i8042");
+    i8042_setup_a20_line(i8042, a20_line);
+    vmmouse_init(i8042);
+
     DMA_init(0);
 
     for(i = 0; i < MAX_FD; i++) {