Fake IOAPIC address if there is no mptable found

diff --git a/kitten/arch/x86_64/kernel/ioapic.c b/kitten/arch/x86_64/kernel/ioapic.c
index 6c5fc98..bf38e20 100644 (file)
--- a/kitten/arch/x86_64/kernel/ioapic.c
+++ b/kitten/arch/x86_64/kernel/ioapic.c
@@ -26,13 +26,13 @@ unsigned int ioapic_num;
  * Array containing the IDs of the IO APICs in the system.
  * The array is indexed by ioapic_index.
  */
-unsigned int ioapic_id[MAX_IO_APICS];
+unsigned int ioapic_id[MAX_IO_APICS] = { 1 };
 
 /**
  * Addresses of the IO APICs in the system.
  * The array is indexed by ioapic_index.
  */
-unsigned long ioapic_phys_addr[MAX_IO_APICS];
+uintptr_t ioapic_phys_addr[MAX_IO_APICS] = { 0xFEC00000 };
 
 /**
  * Resource entries for the IO APIC memory mapping.
@@ -250,7 +250,10 @@ ioapic_map(void)
        char *name;
 
        if (ioapic_num == 0)
-               return;
+       {
+               printk( "%s: Faking IO APIC\n", __func__ );
+               ioapic_num = 1;
+       }
 
        /*
         * Allocate enough memory for one resource structure per detected IO