Commit 1f62d9383f9236cd9cf8f017371800cdfe56a195

Authored by bellard
1 parent 7727994d

fixed PCI config default write permissions


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@878 c046a42c-6fe2-441c-8c8c-71466251a162
Showing 1 changed file with 48 additions and 14 deletions
hw/pci.c
@@ -255,21 +255,49 @@ void pci_default_write_config(PCIDevice *d, @@ -255,21 +255,49 @@ void pci_default_write_config(PCIDevice *d,
255 addr = address; 255 addr = address;
256 for(i = 0; i < len; i++) { 256 for(i = 0; i < len; i++) {
257 /* default read/write accesses */ 257 /* default read/write accesses */
258 - switch(addr) { 258 + switch(d->config[0x0e]) {
259 case 0x00: 259 case 0x00:
260 - case 0x01:  
261 - case 0x02:  
262 - case 0x03:  
263 - case 0x08:  
264 - case 0x09:  
265 - case 0x0a:  
266 - case 0x0b:  
267 - case 0x0e:  
268 - case 0x3d:  
269 - can_write = 0; 260 + case 0x80:
  261 + switch(addr) {
  262 + case 0x00:
  263 + case 0x01:
  264 + case 0x02:
  265 + case 0x03:
  266 + case 0x08:
  267 + case 0x09:
  268 + case 0x0a:
  269 + case 0x0b:
  270 + case 0x0e:
  271 + case 0x10 ... 0x27: /* base */
  272 + case 0x30 ... 0x33: /* rom */
  273 + case 0x3d:
  274 + can_write = 0;
  275 + break;
  276 + default:
  277 + can_write = 1;
  278 + break;
  279 + }
270 break; 280 break;
271 default: 281 default:
272 - can_write = 1; 282 + case 0x01:
  283 + switch(addr) {
  284 + case 0x00:
  285 + case 0x01:
  286 + case 0x02:
  287 + case 0x03:
  288 + case 0x08:
  289 + case 0x09:
  290 + case 0x0a:
  291 + case 0x0b:
  292 + case 0x0e:
  293 + case 0x38 ... 0x3b: /* rom */
  294 + case 0x3d:
  295 + can_write = 0;
  296 + break;
  297 + default:
  298 + can_write = 1;
  299 + break;
  300 + }
273 break; 301 break;
274 } 302 }
275 if (can_write) { 303 if (can_write) {
@@ -986,10 +1014,10 @@ static void pci_bios_init_device(PCIDevice *d) @@ -986,10 +1014,10 @@ static void pci_bios_init_device(PCIDevice *d)
986 int i, pin, pic_irq, vendor_id, device_id; 1014 int i, pin, pic_irq, vendor_id, device_id;
987 1015
988 class = pci_config_readw(d, PCI_CLASS_DEVICE); 1016 class = pci_config_readw(d, PCI_CLASS_DEVICE);
  1017 + vendor_id = pci_config_readw(d, PCI_VENDOR_ID);
  1018 + device_id = pci_config_readw(d, PCI_DEVICE_ID);
989 switch(class) { 1019 switch(class) {
990 case 0x0101: 1020 case 0x0101:
991 - vendor_id = pci_config_readw(d, PCI_VENDOR_ID);  
992 - device_id = pci_config_readw(d, PCI_DEVICE_ID);  
993 if (vendor_id == 0x8086 && device_id == 0x7010) { 1021 if (vendor_id == 0x8086 && device_id == 0x7010) {
994 /* PIIX3 IDE */ 1022 /* PIIX3 IDE */
995 pci_config_writew(d, PCI_COMMAND, PCI_COMMAND_IO); 1023 pci_config_writew(d, PCI_COMMAND, PCI_COMMAND_IO);
@@ -1006,6 +1034,12 @@ static void pci_bios_init_device(PCIDevice *d) @@ -1006,6 +1034,12 @@ static void pci_bios_init_device(PCIDevice *d)
1006 /* VGA: map frame buffer to default Bochs VBE address */ 1034 /* VGA: map frame buffer to default Bochs VBE address */
1007 pci_set_io_region_addr(d, 0, 0xE0000000); 1035 pci_set_io_region_addr(d, 0, 0xE0000000);
1008 break; 1036 break;
  1037 + case 0xff00:
  1038 + if (vendor_id == 0x0106b && device_id == 0x0017) {
  1039 + /* macio bridge */
  1040 + pci_set_io_region_addr(d, 0, 0x80800000);
  1041 + }
  1042 + break;
1009 default: 1043 default:
1010 /* default memory mappings */ 1044 /* default memory mappings */
1011 for(i = 0; i < PCI_NUM_REGIONS; i++) { 1045 for(i = 0; i < PCI_NUM_REGIONS; i++) {