Check active interrupts immediately if PCI bridge interrupt state was enabled

diff --git a/pci.cpp b/pci.cpp
index 95903f0995c06a3ed4dcd28057696fb93889bb41..14dcaabd31ef7ae3f09a08e59718e1fc50851750 100644 (file)
--- a/pci.cpp
+++ b/pci.cpp
@@ -1098,7 +1098,13 @@ static void REGPARAM2 pci_bridge_lput(uaecptr addr, uae_u32 b)
                        pcib->endian_swap_memory = pcib->endian_swap_io = (b & 2) != 0 ? -1 : 0;
                        break;
                        case 1:
-                       pcib->intena = (b & 1) ? 0xff : 0x00;
+                       {
+                               uae_u8 ointena = pcib->intena;
+                               pcib->intena = (b & 1) ? 0xff : 0x00;
+                               if (pcib->intena > ointena) {
+                                       devices_rethink_all(pci_rethink);
+                               }
+                       }
                        break;
                        case 3:
                        pcib->config[0] = b & 1;
@@ -1339,7 +1345,11 @@ static void REGPARAM2 pci_bridge_bput_2(uaecptr addr, uae_u32 b)
                                        map_banks_z2(&dummy_bank, (pcib->baseaddress_2 + 0x10000) >> 16, 0x10000 >> 16);
                                }
                        } else if (offset == 11) {
+                               uae_u8 ointena = pcib->intena;
                                pcib->intena = b >> 4;
+                               if (pcib->intena > ointena) {
+                                       devices_rethink_all(pci_rethink);
+                               }
                        } else if (offset == 0x40) {
                                // power off
                                uae_quit();
@@ -1351,7 +1361,11 @@ static void REGPARAM2 pci_bridge_bput_2(uaecptr addr, uae_u32 b)
                        if (offset == 0) {
                                mediator_set_window_offset(pcib, b);
                        } else if (offset == 4) {
+                               uae_u8 ointena = pcib->intena;
                                pcib->intena = b >> 4;
+                               if (pcib->intena > ointena) {
+                                       devices_rethink_all(pci_rethink);
+                               }
                        }
                }
        }
@@ -1894,8 +1908,12 @@ static int prometheusfs_get_index(uaecptr addr, bool w, uae_u32 *vp)
                if (vp) {
                        if (w) {
                                uae_u32 v = *vp;
+                               uae_u8 ointena = pcib->intena;
                                pcib->intena = (v & (1 << 30)) ? 0xff : 0x00;
                                pcib->reset = (v & (1 << 31)) != 0;
+                               if (pcib->intena > ointena) {
+                                       devices_rethink_all(pci_rethink);
+                               }
                                return -1;
                        }
                        *vp = (pcib->irq ? (1 << 29) : 0) | (pcib->intena ? (1 << 30) : 0) | (pcib->reset ? (1 << 31) : 0);