fixed io_apic table index computation

diff --git a/palacios/src/devices/io_apic.c b/palacios/src/devices/io_apic.c
index 70aae6f..1e032b6 100644 (file)
--- a/palacios/src/devices/io_apic.c
+++ b/palacios/src/devices/io_apic.c
@@ -182,7 +182,7 @@ static int ioapic_read(addr_t guest_addr, void * dst, uint_t length, void * priv
                break;
            default:
                {
-                   uint_t redir_index = (ioapic->index_reg - IOAPIC_REDIR_BASE_REG) & 0xfffffffe;
+                   uint_t redir_index = (ioapic->index_reg - IOAPIC_REDIR_BASE_REG) >> 1;
                    uint_t hi_val = (ioapic->index_reg - IOAPIC_REDIR_BASE_REG) % 1;
 
                    if (redir_index > 0x3f) {
@@ -227,7 +227,7 @@ static int ioapic_write(addr_t guest_addr, void * src, uint_t length, void * pri
                break;
            default:
                {
-                   uint_t redir_index = (ioapic->index_reg - IOAPIC_REDIR_BASE_REG) & 0xfffffffe;
+                   uint_t redir_index = (ioapic->index_reg - IOAPIC_REDIR_BASE_REG) >> 1;
                    uint_t hi_val = (ioapic->index_reg - IOAPIC_REDIR_BASE_REG) % 1;