Register Linux dyntick timer as per-thread signal

[qemu.git] / ioport.c

diff --git a/ioport.c b/ioport.c
index 2e971fa3e5cd89ff3c8c175214e15d7632c71b42..0d2611d14298f7747b8b71aaad5a0d184584aad8 100644 (file)
--- a/ioport.c
+++ b/ioport.c
@@ -245,18 +245,25 @@ void isa_unassign_ioport(pio_addr_t start, int length)
     int i;
 
     for(i = start; i < start + length; i++) {
-        ioport_read_table[0][i] = default_ioport_readb;
-        ioport_read_table[1][i] = default_ioport_readw;
-        ioport_read_table[2][i] = default_ioport_readl;
+        ioport_read_table[0][i] = NULL;
+        ioport_read_table[1][i] = NULL;
+        ioport_read_table[2][i] = NULL;
 
-        ioport_write_table[0][i] = default_ioport_writeb;
-        ioport_write_table[1][i] = default_ioport_writew;
-        ioport_write_table[2][i] = default_ioport_writel;
+        ioport_write_table[0][i] = NULL;
+        ioport_write_table[1][i] = NULL;
+        ioport_write_table[2][i] = NULL;
 
         ioport_opaque[i] = NULL;
     }
 }
 
+bool isa_is_ioport_assigned(pio_addr_t start)
+{
+    return (ioport_read_table[0][start] || ioport_write_table[0][start] ||
+           ioport_read_table[1][start] || ioport_write_table[1][start] ||
+           ioport_read_table[2][start] || ioport_write_table[2][start]);
+}
+
 /***********************************************************/
 
 void cpu_outb(pio_addr_t addr, uint8_t val)