xnu-792.tar.gz

[apple/xnu.git] / osfmk / i386 / iopb.c

diff --git a/osfmk/i386/iopb.c b/osfmk/i386/iopb.c
index ec00e33f2de5f8d43c96b15b47eef9a343429597..ecf1a8c68b123957c82dc06d14066b2e8f6c924c 100644 (file)
--- a/osfmk/i386/iopb.c
+++ b/osfmk/i386/iopb.c
@@ -81,7 +81,7 @@ iopb_init(void)
 
 
 void
-iopb_destroy(iopb_tss_t      io_tss)
+iopb_destroy(__unused iopb_tss_t      io_tss)
 {
 }
 
@@ -145,7 +145,7 @@ void
 iopb_init(void)
 {
        queue_init(&device_to_io_port_list);
-       simple_lock_init(&iopb_lock, ETAP_IO_IOPB);
+       simple_lock_init(&iopb_lock, 0);
 }
 
 /*
@@ -298,7 +298,7 @@ io_tss_init(
        io_bitmap_init(io_tss->bitmap);
        io_tss->barrier = ~0;
        queue_init(&io_tss->io_port_list);
-       addr += LINEAR_KERNEL_ADDRESS;
+       addr |= LINEAR_KERNEL_ADDRESS;
        io_tss->iopb_desc[0] = ((size-1) & 0xffff)
                | ((addr & 0xffff) << 16);
        io_tss->iopb_desc[1] = ((addr & 0x00ff0000) >> 16)
@@ -368,7 +368,7 @@ i386_io_port_add(
         || device == DEVICE_NULL)
            return KERN_INVALID_ARGUMENT;
 
-       pcb = thread->top_act->mact.pcb;
+       pcb = thread->machine.pcb;
 
        new_io_tss = 0;
        iu = (io_use_t) kalloc(sizeof(struct io_use));
@@ -467,7 +467,7 @@ i386_io_port_remove(
         || device == DEVICE_NULL)
            return KERN_INVALID_ARGUMENT;
 
-       pcb = thread->top_act->mact.pcb;
+       pcb = thread->machine.pcb;
 
        simple_lock(&iopb_lock);
 
@@ -539,7 +539,7 @@ i386_io_port_list(thread, list, list_count)
        if (thread == THREAD_NULL)
            return KERN_INVALID_ARGUMENT;
 
-       pcb = thread->top_act->mact.pcb;
+       pcb = thread->machine.pcb;
 
        alloc_count = 16;               /* a guess */
 
@@ -633,7 +633,7 @@ iopb_check_mapping(
        io_port_t       io_port;
        io_use_t        iu;
 
-       pcb = thread->top_act->mact.pcb;
+       pcb = thread->machine.pcb;
 
        simple_lock(&iopb_lock);