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Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/v86bios/pci.c')
-rw-r--r--board/MAI/bios_emulator/scitech/src/v86bios/pci.c611
1 files changed, 305 insertions, 306 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/v86bios/pci.c b/board/MAI/bios_emulator/scitech/src/v86bios/pci.c
index e68c61d5e..b58a57195 100644
--- a/board/MAI/bios_emulator/scitech/src/v86bios/pci.c
+++ b/board/MAI/bios_emulator/scitech/src/v86bios/pci.c
@@ -51,12 +51,12 @@ int pciMaxBus = 0;
static CARD32 PciCfg1Addr;
static void readConfigSpaceCfg1(CARD32 bus, CARD32 dev, CARD32 func,
- CARD32 *reg);
+ CARD32 *reg);
static int checkSlotCfg1(CARD32 bus, CARD32 dev, CARD32 func);
static int checkSlotCfg2(CARD32 bus, int dev);
static void readConfigSpaceCfg2(CARD32 bus, int dev, CARD32 *reg);
static CARD8 interpretConfigSpace(CARD32 *reg, int busidx,
- CARD8 dev, CARD8 func);
+ CARD8 dev, CARD8 func);
static CARD32 findBIOSMap(PciStructPtr pciP, CARD32 *biosSize);
static void restoreMem(PciStructPtr pciP);
@@ -72,10 +72,10 @@ axpPciCfgRead(CARD32 tag)
{
int bus, dfn;
CARD32 val = 0xffffffff;
-
+
bus = PCI_BUS_FROM_TAG(tag);
dfn = PCI_DFN_FROM_TAG(tag);
-
+
syscall(__NR_pciconfig_read, bus, dfn, tag & 0xff, 4, &val);
return(val);
}
@@ -84,10 +84,10 @@ void
axpPciCfgWrite(CARD32 tag, CARD32 val)
{
int bus, dfn;
-
+
bus = PCI_BUS_FROM_TAG(tag);
dfn = PCI_DFN_FROM_TAG(tag);
-
+
syscall(__NR_pciconfig_write, bus, dfn, tag & 0xff, 4, &val);
}
@@ -115,22 +115,21 @@ static int hostbridges = 1;
static unsigned long pciMinMemReg = ~0;
-
void
scan_pci(void)
{
unsigned short configtype;
-
+
CARD32 reg[64];
int busidx;
CARD8 cardnum;
CARD8 func;
int idx;
-
+
int i;
PciStructPtr pci1;
PciBusPtr pci_b1,pci_b2;
-
+
#if defined(__alpha__) || defined(__powerpc__) || defined(__sparc__) || defined(__ia64__)
configtype = 1;
#else
@@ -141,111 +140,111 @@ scan_pci(void)
tmp1 = inb(PCI_MODE2_ENABLE_REG);
tmp2 = inb(PCI_MODE2_FORWARD_REG);
if ((tmp1 == 0x00) && (tmp2 == 0x00)) {
- configtype = 2;
- readPci = readPciCfg2;
- writePci = writePciCfg2;
- P_printf("PCI says configuration type 2\n");
+ configtype = 2;
+ readPci = readPciCfg2;
+ writePci = writePciCfg2;
+ P_printf("PCI says configuration type 2\n");
} else {
- tmp32_1 = inl(PCI_MODE1_ADDRESS_REG);
- outl(PCI_MODE1_ADDRESS_REG, PCI_EN);
- tmp32_2 = inl(PCI_MODE1_ADDRESS_REG);
- outl(PCI_MODE1_ADDRESS_REG, tmp32_1);
- if (tmp32_2 == PCI_EN) {
- configtype = 1;
- P_printf("PCI says configuration type 1\n");
- } else {
- P_printf("No PCI !\n");
- return;
- }
+ tmp32_1 = inl(PCI_MODE1_ADDRESS_REG);
+ outl(PCI_MODE1_ADDRESS_REG, PCI_EN);
+ tmp32_2 = inl(PCI_MODE1_ADDRESS_REG);
+ outl(PCI_MODE1_ADDRESS_REG, tmp32_1);
+ if (tmp32_2 == PCI_EN) {
+ configtype = 1;
+ P_printf("PCI says configuration type 1\n");
+ } else {
+ P_printf("No PCI !\n");
+ return;
+ }
}
#endif
-
+
if (configtype == 1) {
- P_printf("PCI probing configuration type 1\n");
- busidx = 0;
- numbus = 1;
- idx = 0;
- do {
- P_printf("\nProbing for devices on PCI bus %d:\n", busidx);
- for (cardnum = 0; cardnum < MAX_DEV_PER_VENDOR_CFG1; cardnum++) {
- func = 0;
- do {
- /* loop over the different functions, if present */
- if (!checkSlotCfg1(busidx,cardnum,func))
- break;
- readConfigSpaceCfg1(busidx,cardnum,func,reg);
-
- func = interpretConfigSpace(reg,busidx,
- cardnum,func);
-
- if (idx++ > MAX_PCI_DEVICES)
- continue;
- } while (func < 8);
- }
- } while (++busidx < PCI_MAXBUS);
+ P_printf("PCI probing configuration type 1\n");
+ busidx = 0;
+ numbus = 1;
+ idx = 0;
+ do {
+ P_printf("\nProbing for devices on PCI bus %d:\n", busidx);
+ for (cardnum = 0; cardnum < MAX_DEV_PER_VENDOR_CFG1; cardnum++) {
+ func = 0;
+ do {
+ /* loop over the different functions, if present */
+ if (!checkSlotCfg1(busidx,cardnum,func))
+ break;
+ readConfigSpaceCfg1(busidx,cardnum,func,reg);
+
+ func = interpretConfigSpace(reg,busidx,
+ cardnum,func);
+
+ if (idx++ > MAX_PCI_DEVICES)
+ continue;
+ } while (func < 8);
+ }
+ } while (++busidx < PCI_MAXBUS);
#if defined(__alpha__) || defined(__powerpc__) || defined(__sparc__) || defined(__ia64__)
- /* don't use outl() ;-) */
+ /* don't use outl() ;-) */
#else
- outl(PCI_MODE1_ADDRESS_REG, 0);
+ outl(PCI_MODE1_ADDRESS_REG, 0);
#endif
} else {
- int slot;
-
- P_printf("PCI probing configuration type 2\n");
- busidx = 0;
- numbus = 1;
- idx = 0;
- do {
- for (slot=0xc0; slot<0xd0; i++) {
- if (!checkSlotCfg2(busidx,slot))
- break;
- readConfigSpaceCfg2(busidx,slot,reg);
-
- interpretConfigSpace(reg,busidx,
- slot,0);
- if (idx++ > MAX_PCI_DEVICES)
- continue;
- }
- } while (++busidx < PCI_MAXBUS);
+ int slot;
+
+ P_printf("PCI probing configuration type 2\n");
+ busidx = 0;
+ numbus = 1;
+ idx = 0;
+ do {
+ for (slot=0xc0; slot<0xd0; i++) {
+ if (!checkSlotCfg2(busidx,slot))
+ break;
+ readConfigSpaceCfg2(busidx,slot,reg);
+
+ interpretConfigSpace(reg,busidx,
+ slot,0);
+ if (idx++ > MAX_PCI_DEVICES)
+ continue;
+ }
+ } while (++busidx < PCI_MAXBUS);
}
-
-
+
+
pciMaxBus = numbus - 1;
P_printf("Number of buses in system: %i\n",pciMaxBus + 1);
P_printf("Min PCI mem address: 0x%lx\n",pciMinMemReg);
-
+
/* link buses */
pci_b1 = PciBuses;
while (pci_b1) {
- pci_b2 = PciBuses;
- pci_b1->pBus = NULL;
- while (pci_b2) {
- if (pci_b1->primary == pci_b2->secondary)
- pci_b1->pBus = pci_b2;
- pci_b2 = pci_b2->next;
- }
- pci_b1 = pci_b1->next;
+ pci_b2 = PciBuses;
+ pci_b1->pBus = NULL;
+ while (pci_b2) {
+ if (pci_b1->primary == pci_b2->secondary)
+ pci_b1->pBus = pci_b2;
+ pci_b2 = pci_b2->next;
+ }
+ pci_b1 = pci_b1->next;
}
pci1 = PciStruct;
while (pci1) {
- pci_b2 = PciBuses;
- pci1->pBus = NULL;
- while (pci_b2) {
- if (pci1->bus == pci_b2->secondary)
- pci1->pBus = pci_b2;
- pci_b2 = pci_b2->next;
- }
- pci1 = pci1->next;
+ pci_b2 = PciBuses;
+ pci1->pBus = NULL;
+ while (pci_b2) {
+ if (pci1->bus == pci_b2->secondary)
+ pci1->pBus = pci_b2;
+ pci_b2 = pci_b2->next;
+ }
+ pci1 = pci1->next;
}
if (RESORT) {
- PciStructPtr tmp = PciStruct, tmp1;
- PciStruct = NULL;
- while (tmp) {
- tmp1 = tmp->next;
- tmp->next = PciStruct;
- PciStruct = tmp;
- tmp = tmp1;
- }
+ PciStructPtr tmp = PciStruct, tmp1;
+ PciStruct = NULL;
+ while (tmp) {
+ tmp1 = tmp->next;
+ tmp->next = PciStruct;
+ PciStruct = tmp;
+ tmp = tmp1;
+ }
}
PciList = CurrentPci = PciStruct;
}
@@ -255,7 +254,7 @@ static CARD32
readPciCfg1(CARD32 reg)
{
CARD32 val;
-
+
outl(PCI_MODE1_ADDRESS_REG, reg);
val = inl(PCI_MODE1_DATA_REG);
outl(PCI_MODE1_ADDRESS_REG, 0);
@@ -279,7 +278,7 @@ readPciCfg2(CARD32 reg)
CARD8 bus = (reg >> 16) & 0xff;
CARD8 dev = (reg >> 11) & 0x1f;
CARD8 num = reg & 0xff;
-
+
outb(PCI_MODE2_ENABLE_REG, 0xF1);
outb(PCI_MODE2_FORWARD_REG, bus);
val = inl((dev << 8) + num);
@@ -309,16 +308,16 @@ pciVideoDisable(void)
/* disable VGA routing on bridges */
PciBusPtr pbp = PciBuses;
PciStructPtr pcp = PciStruct;
-
+
while (pbp) {
- writePci(pbp->Slot.l | 0x3c, pbp->bctl & ~(CARD32)(8<<16));
- pbp = pbp->next;
+ writePci(pbp->Slot.l | 0x3c, pbp->bctl & ~(CARD32)(8<<16));
+ pbp = pbp->next;
}
/* disable display devices */
while (pcp) {
- writePci(pcp->Slot.l | 0x04, pcp->cmd_st & ~(CARD32)3);
- writePci(pcp->Slot.l | 0x30, pcp->RomBase & ~(CARD32)1);
- pcp = pcp->next;
+ writePci(pcp->Slot.l | 0x04, pcp->cmd_st & ~(CARD32)3);
+ writePci(pcp->Slot.l | 0x30, pcp->RomBase & ~(CARD32)1);
+ pcp = pcp->next;
}
}
@@ -328,16 +327,16 @@ pciVideoRestore(void)
/* disable VGA routing on bridges */
PciBusPtr pbp = PciBuses;
PciStructPtr pcp = PciStruct;
-
+
while (pbp) {
- writePci(pbp->Slot.l | 0x3c, pbp->bctl);
- pbp = pbp->next;
+ writePci(pbp->Slot.l | 0x3c, pbp->bctl);
+ pbp = pbp->next;
}
/* disable display devices */
while (pcp) {
- writePci(pcp->Slot.l | 0x04, pcp->cmd_st);
- writePci(pcp->Slot.l | 0x30, pcp->RomBase);
- pcp = pcp->next;
+ writePci(pcp->Slot.l | 0x04, pcp->cmd_st);
+ writePci(pcp->Slot.l | 0x30, pcp->RomBase);
+ pcp = pcp->next;
}
}
@@ -346,13 +345,13 @@ EnableCurrent()
{
PciBusPtr pbp;
PciStructPtr pcp = CurrentPci;
-
+
pciVideoDisable();
-
+
pbp = pcp->pBus;
while (pbp) { /* enable bridges */
- writePci(pbp->Slot.l | 0x3c, pbp->bctl | (CARD32)(8<<16));
- pbp = pbp->pBus;
+ writePci(pbp->Slot.l | 0x3c, pbp->bctl | (CARD32)(8<<16));
+ pbp = pbp->pBus;
}
writePci(pcp->Slot.l | 0x04, pcp->cmd_st | (CARD32)3);
writePci(pcp->Slot.l | 0x30, pcp->RomBase | (CARD32)1);
@@ -427,35 +426,35 @@ mapPciRom(PciStructPtr pciP)
pciP = CurrentPci;
if (FIX_ROM) {
- RomBase = findBIOSMap(pciP, &biosSize);
- if (!RomBase) {
- fprintf(stderr,"Cannot remap BIOS of %i:%i:%i "
- "- trying preset address\n",pciP->bus,pciP->dev,
- pciP->func);
- RomBase = pciP->RomBase & ~(CARD32)0xFF;
- }
+ RomBase = findBIOSMap(pciP, &biosSize);
+ if (!RomBase) {
+ fprintf(stderr,"Cannot remap BIOS of %i:%i:%i "
+ "- trying preset address\n",pciP->bus,pciP->dev,
+ pciP->func);
+ RomBase = pciP->RomBase & ~(CARD32)0xFF;
+ }
} else {
- RomBase = pciP->RomBase & ~(CARD32)0xFF;
- if (~RomBase + 1 < biosSize || !RomBase)
- RomBase = findBIOSMap(pciP, &biosSize);
+ RomBase = pciP->RomBase & ~(CARD32)0xFF;
+ if (~RomBase + 1 < biosSize || !RomBase)
+ RomBase = findBIOSMap(pciP, &biosSize);
}
P_printf("RomBase: 0x%lx\n",RomBase);
-
+
if ((mem_fd = open(MEM_FILE,O_RDONLY))<0) {
- perror("opening memory");
- restoreMem(pciP);
- return (0);
+ perror("opening memory");
+ restoreMem(pciP);
+ return (0);
}
PciWrite32(0x30,RomBase | 1,pciP->Slot.l);
#ifdef __alpha__
mem = ptr = (unsigned char *)mmap(0, biosSize, PROT_READ,
- MAP_SHARED, mem_fd, RomBase | _bus_base());
+ MAP_SHARED, mem_fd, RomBase | _bus_base());
#else
mem = ptr = (unsigned char *)mmap(0, biosSize, PROT_READ,
- MAP_SHARED, mem_fd, RomBase);
+ MAP_SHARED, mem_fd, RomBase);
#endif
if (pciP != CurrentPci) {
enablePci = PciRead32(0x4,pciP->Slot.l);
@@ -466,37 +465,37 @@ mapPciRom(PciStructPtr pciP)
dprint((unsigned long)ptr,0x30);
#endif
while ( *ptr == 0x55 && *(ptr+1) == 0xAA) {
- unsigned short data_off = *(ptr+0x18) | (*(ptr+0x19)<< 8);
- unsigned char *data = ptr + data_off;
- unsigned char type;
- int i;
+ unsigned short data_off = *(ptr+0x18) | (*(ptr+0x19)<< 8);
+ unsigned char *data = ptr + data_off;
+ unsigned char type;
+ int i;
- if (*data!='P' || *(data+1)!='C' || *(data+2)!='I' || *(data+3)!='R') {
- break;
- }
- type = *(data + 0x14);
- P_printf("data segment in BIOS: 0x%x, type: 0x%x ",data_off,type);
-
- if (type != 0) { /* not PC-AT image: find next one */
- unsigned int image_length;
- unsigned char indicator = *(data + 0x15);
- if (indicator & 0x80) /* last image */
- break;
- image_length = (*(data + 0x10)
- | (*(data + 0x11) << 8)) << 9;
- P_printf("data image length: 0x%x, ind: 0x%x\n",
- image_length,indicator);
- ptr = ptr + image_length;
- continue;
- }
- /* OK, we have a PC Image */
- length = (*(ptr + 2) << 9);
- P_printf("BIOS length: 0x%x\n",length);
- scratch = (unsigned char *)malloc(length);
- /* don't use memcpy() here: Reading from bus! */
- for (i=0;i<length;i++)
- *(scratch + i)=*(ptr + i);
- break;
+ if (*data!='P' || *(data+1)!='C' || *(data+2)!='I' || *(data+3)!='R') {
+ break;
+ }
+ type = *(data + 0x14);
+ P_printf("data segment in BIOS: 0x%x, type: 0x%x ",data_off,type);
+
+ if (type != 0) { /* not PC-AT image: find next one */
+ unsigned int image_length;
+ unsigned char indicator = *(data + 0x15);
+ if (indicator & 0x80) /* last image */
+ break;
+ image_length = (*(data + 0x10)
+ | (*(data + 0x11) << 8)) << 9;
+ P_printf("data image length: 0x%x, ind: 0x%x\n",
+ image_length,indicator);
+ ptr = ptr + image_length;
+ continue;
+ }
+ /* OK, we have a PC Image */
+ length = (*(ptr + 2) << 9);
+ P_printf("BIOS length: 0x%x\n",length);
+ scratch = (unsigned char *)malloc(length);
+ /* don't use memcpy() here: Reading from bus! */
+ for (i=0;i<length;i++)
+ *(scratch + i)=*(ptr + i);
+ break;
}
if (pciP != CurrentPci)
@@ -509,10 +508,10 @@ mapPciRom(PciStructPtr pciP)
writePci(pciP->Slot.l | 0x30, pciP->RomBase & ~(CARD32)1);
if (scratch && length) {
- memcpy((unsigned char *)V_BIOS, scratch, length);
- free(scratch);
+ memcpy((unsigned char *)V_BIOS, scratch, length);
+ free(scratch);
}
-
+
restoreMem(pciP);
return length;
}
@@ -523,24 +522,24 @@ findPci(CARD16 slotBX)
CARD32 slot = slotBX << 8;
if (slot == (CurrentPci->Slot.l & ~PCI_EN))
- return (CurrentPci->Slot.l | PCI_EN);
+ return (CurrentPci->Slot.l | PCI_EN);
else {
#if !SHOW_ALL_DEV
- PciBusPtr pBus = CurrentPci->pBus;
- while (pBus) {
- // fprintf(stderr,"slot: 0x%x bridge: 0x%x\n",slot, pBus->Slot.l);
- if (slot == (pBus->Slot.l & ~PCI_EN))
- return pBus->Slot.l | PCI_EN;
- pBus = pBus->next;
- }
+ PciBusPtr pBus = CurrentPci->pBus;
+ while (pBus) {
+ /* fprintf(stderr,"slot: 0x%x bridge: 0x%x\n",slot, pBus->Slot.l); */
+ if (slot == (pBus->Slot.l & ~PCI_EN))
+ return pBus->Slot.l | PCI_EN;
+ pBus = pBus->next;
+ }
#else
- PciStructPtr pPci = PciStruct;
- while (pPci) {
- //fprintf(stderr,"slot: 0x%x bridge: 0x%x\n",slot, pPci->Slot.l);
- if (slot == (pPci->Slot.l & ~PCI_EN))
- return pPci->Slot.l | PCI_EN;
- pPci = pPci->next;
- }
+ PciStructPtr pPci = PciStruct;
+ while (pPci) {
+ /*fprintf(stderr,"slot: 0x%x bridge: 0x%x\n",slot, pPci->Slot.l); */
+ if (slot == (pPci->Slot.l & ~PCI_EN))
+ return pPci->Slot.l | PCI_EN;
+ pPci = pPci->next;
+ }
#endif
}
return 0;
@@ -559,9 +558,9 @@ findPciDevice(CARD16 vendorID, CARD16 deviceID, char n)
n++;
while (pPci) {
- if ((pPci->VendorID == vendorID) && (pPci->DeviceID == deviceID)) {
- if (!(--n)) break;
- }
+ if ((pPci->VendorID == vendorID) && (pPci->DeviceID == deviceID)) {
+ if (!(--n)) break;
+ }
pPci = pPci->next;
}
return pPci;
@@ -574,10 +573,10 @@ findPciClass(CARD8 intf, CARD8 subClass, CARD16 class, char n)
n++;
while (pPci) {
- if ((pPci->Interface == intf) && (pPci->SubClass == subClass)
- && (pPci->BaseClass == class)) {
- if (!(--n)) break;
- }
+ if ((pPci->Interface == intf) && (pPci->SubClass == subClass)
+ && (pPci->BaseClass == class)) {
+ if (!(--n)) break;
+ }
pPci = pPci->next;
}
return pPci;
@@ -592,14 +591,14 @@ readConfigSpaceCfg1(CARD32 bus, CARD32 dev, CARD32 func, CARD32 *reg)
for (i = 0; i<64;i+=4) {
#ifdef __alpha__
- reg[i] = axpPciCfgRead(config_cmd | i);
+ reg[i] = axpPciCfgRead(config_cmd | i);
#else
- outl(PCI_MODE1_ADDRESS_REG, config_cmd | i);
- reg[i] = inl(PCI_MODE1_DATA_REG);
+ outl(PCI_MODE1_ADDRESS_REG, config_cmd | i);
+ reg[i] = inl(PCI_MODE1_DATA_REG);
#endif
#ifdef V86BIOS_DEBUG
- P_printf("0x%lx\n",reg[i]);
+ P_printf("0x%lx\n",reg[i]);
#endif
}
}
@@ -611,15 +610,15 @@ checkSlotCfg1(CARD32 bus, CARD32 dev, CARD32 func)
(dev<<11) | (func<<8);
CARD32 reg;
#ifdef __alpha__
- reg = axpPciCfgRead(config_cmd);
+ reg = axpPciCfgRead(config_cmd);
#else
- outl(PCI_MODE1_ADDRESS_REG, config_cmd);
- reg = inl(PCI_MODE1_DATA_REG);
+ outl(PCI_MODE1_ADDRESS_REG, config_cmd);
+ reg = inl(PCI_MODE1_DATA_REG);
#endif
if (reg != 0xFFFFFFFF)
- return 1;
+ return 1;
else
- return 0;
+ return 0;
}
static int
@@ -633,9 +632,9 @@ checkSlotCfg2(CARD32 bus, int dev)
outb(PCI_MODE2_FORWARD_REG, 0x00);
outb(PCI_MODE2_ENABLE_REG, 0x00);
if (val == 0xFFFFFFFF)
- return 0;
+ return 0;
if (val == 0xF0F0F0F0)
- return 0;
+ return 0;
return 1;
}
@@ -647,9 +646,9 @@ readConfigSpaceCfg2(CARD32 bus, int dev, CARD32 *reg)
outb(PCI_MODE2_ENABLE_REG, 0xF1);
outb(PCI_MODE2_FORWARD_REG, bus);
for (i = 0; i<64;i+=4) {
- reg[i] = inl((dev << 8) + i);
+ reg[i] = inl((dev << 8) + i);
#ifdef V86BIOS_DEBUG
- P_printf("0x%lx\n",reg[i]);
+ P_printf("0x%lx\n",reg[i]);
#endif
}
outb(PCI_MODE2_ENABLE_REG, 0x00);
@@ -664,22 +663,22 @@ interpretConfigSpace(CARD32 *reg, int busidx, CARD8 dev, CARD8 func)
CARD8 primary, secondary;
CARD8 header, interface;
int i;
-
+
config_cmd = PCI_EN | busidx<<16 |
- (dev<<11) | (func<<8);
+ (dev<<11) | (func<<8);
for (i = 0x10; i < 0x28; i+=4) {
- if (IS_MEM32(reg[i]))
- if ((reg[i] & 0xFFFFFFF0) < pciMinMemReg)
- pciMinMemReg = (reg[i] & 0xFFFFFFF0);
+ if (IS_MEM32(reg[i]))
+ if ((reg[i] & 0xFFFFFFF0) < pciMinMemReg)
+ pciMinMemReg = (reg[i] & 0xFFFFFFF0);
#ifdef __alpha__
- if (IS_MEM64(reg[i])) {
- unsigned long addr = reg[i] |
- (unsigned long)(reg[i+4]) << 32;
- if ((addr & ~0xfL) < pciMinMemReg)
- pciMinMemReg = (addr & ~0xfL);
- i+=4;
- }
+ if (IS_MEM64(reg[i])) {
+ unsigned long addr = reg[i] |
+ (unsigned long)(reg[i+4]) << 32;
+ if ((addr & ~0xfL) < pciMinMemReg)
+ pciMinMemReg = (addr & ~0xfL);
+ i+=4;
+ }
#endif
}
vendor = reg[0] & 0xFFFF;
@@ -691,49 +690,49 @@ interpretConfigSpace(CARD32 *reg, int busidx, CARD8 dev, CARD8 func)
header = (reg[0x0c] >> 16) & 0xff;
P_printf("bc 0x%x, sub 0x%x, if 0x%x, hdr 0x%x\n",
- baseclass,subclass,interface,header);
+ baseclass,subclass,interface,header);
if (BRIDGE_CLASS(baseclass)) {
- if (BRIDGE_PCI_CLASS(subclass)) {
- PciBusPtr pbp = malloc(sizeof(PciBusRec));
- P_printf("Pci-Pci Bridge found; ");
- primary = reg[0x18] & 0xFF;
- secondary = (reg[0x18] >> 8) & 0xFF;
- P_printf("primary: 0x%x secondary: 0x%x\n",
- primary,secondary);
- pbp->bctl = reg[0x3c];
- pbp->primary = primary;
- pbp->secondary = secondary;
- pbp->Slot.l = config_cmd;
- pbp->next = PciBuses;
- PciBuses = pbp;
- numbus++;
- } else if (BRIDGE_HOST_CLASS(subclass)
- && (hostbridges++ > 1)) {
- numbus++;
- }
+ if (BRIDGE_PCI_CLASS(subclass)) {
+ PciBusPtr pbp = malloc(sizeof(PciBusRec));
+ P_printf("Pci-Pci Bridge found; ");
+ primary = reg[0x18] & 0xFF;
+ secondary = (reg[0x18] >> 8) & 0xFF;
+ P_printf("primary: 0x%x secondary: 0x%x\n",
+ primary,secondary);
+ pbp->bctl = reg[0x3c];
+ pbp->primary = primary;
+ pbp->secondary = secondary;
+ pbp->Slot.l = config_cmd;
+ pbp->next = PciBuses;
+ PciBuses = pbp;
+ numbus++;
+ } else if (BRIDGE_HOST_CLASS(subclass)
+ && (hostbridges++ > 1)) {
+ numbus++;
+ }
} else if (VIDEO_CLASS(baseclass,subclass)) {
- PciStructPtr pcp = malloc(sizeof(PciStructRec));
- P_printf("Display adapter found\n");
- pcp->RomBase = reg[0x30];
- pcp->cmd_st = reg[4];
- pcp->active = (reg[4] & 0x03) == 3 ? 1 : 0;
- pcp->VendorID = vendor;
- pcp->DeviceID = device;
- pcp->Interface = interface;
- pcp->BaseClass = baseclass;
- pcp->SubClass = subclass;
- pcp->Slot.l = config_cmd;
- pcp->bus = busidx;
- pcp->dev = dev;
- pcp->func = func;
- pcp->next = PciStruct;
- PciStruct = pcp;
+ PciStructPtr pcp = malloc(sizeof(PciStructRec));
+ P_printf("Display adapter found\n");
+ pcp->RomBase = reg[0x30];
+ pcp->cmd_st = reg[4];
+ pcp->active = (reg[4] & 0x03) == 3 ? 1 : 0;
+ pcp->VendorID = vendor;
+ pcp->DeviceID = device;
+ pcp->Interface = interface;
+ pcp->BaseClass = baseclass;
+ pcp->SubClass = subclass;
+ pcp->Slot.l = config_cmd;
+ pcp->bus = busidx;
+ pcp->dev = dev;
+ pcp->func = func;
+ pcp->next = PciStruct;
+ PciStruct = pcp;
}
if ((func == 0)
- && ((header & PCI_MULTIFUNC_DEV) == 0))
- func = 8;
+ && ((header & PCI_MULTIFUNC_DEV) == 0))
+ func = 8;
else
- func++;
+ func++;
return func;
}
@@ -748,36 +747,36 @@ remapMem(PciStructPtr pciP, int num, CARD32 size)
CARD32 org;
CARD32 val;
CARD32 size_n;
-
+
org = PciRead32(num + 0x10,pciP->Slot.l);
-
+
while (pciPtr) {
- for (i = 0; i < 20; i=i+4) {
+ for (i = 0; i < 20; i=i+4) {
+
+ val = PciRead32(i + 0x10,pciPtr->Slot.l);
+ /* don't map it on itself */
+ if ((org & 0xfffffff0) == (val & 0xfffffff0))
+ continue;
+ if (val && !(val & 1))
+ PciWrite32(i + 0x10,0xffffffff,pciPtr->Slot.l);
+ else
+ continue;
+ size_n = PciRead32(i + 0x10,pciPtr->Slot.l);
+ PciWrite32(i + 0x10,val,pciPtr->Slot.l);
+ size_n = ~(CARD32)(size_n & 0xfffffff0) + 1;
- val = PciRead32(i + 0x10,pciPtr->Slot.l);
- /* don't map it on itself */
- if ((org & 0xfffffff0) == (val & 0xfffffff0))
- continue;
- if (val && !(val & 1))
- PciWrite32(i + 0x10,0xffffffff,pciPtr->Slot.l);
- else
- continue;
- size_n = PciRead32(i + 0x10,pciPtr->Slot.l);
- PciWrite32(i + 0x10,val,pciPtr->Slot.l);
- size_n = ~(CARD32)(size_n & 0xfffffff0) + 1;
-
- if (size_n >= size) {
- PciWrite32(num + 0x10,val,pciP->Slot.l);
- return 1;
- }
- }
- pciPtr = pciPtr->next;
+ if (size_n >= size) {
+ PciWrite32(num + 0x10,val,pciP->Slot.l);
+ return 1;
+ }
+ }
+ pciPtr = pciPtr->next;
}
/* last resort: try to go below lowest PCI mem address */
val = ((pciMinMemReg & ~(CARD32)(size - 1)) - size);
if (val > 0x7fffffff) {
- PciWrite32(num + 0x10,val, pciP->Slot.l);
- return 1;
+ PciWrite32(num + 0x10,val, pciP->Slot.l);
+ return 1;
}
return 0;
@@ -798,7 +797,7 @@ findBIOSMap(PciStructPtr pciP, CARD32 *biosSize)
int i;
CARD32 val;
CARD32 size;
-
+
PciWrite32(0x30,0xffffffff,pciP->Slot.l);
*biosSize = PciRead32(0x30,pciP->Slot.l);
P_printf("bios size: 0x%x\n",*biosSize);
@@ -810,43 +809,43 @@ findBIOSMap(PciStructPtr pciP, CARD32 *biosSize)
P_printf("fixing broken BIOS size: 0x%x\n",*biosSize);
}
while (pciPtr) {
- if (pciPtr->bus != pciP->bus) {
- pciPtr = pciPtr->next;
- continue;
- }
- for (i = 0; i < 20; i=i+4) {
-
- val = PciRead32(i + 0x10,pciPtr->Slot.l);
- if (!(val & 1))
-
- PciWrite32(i + 0x10,0xffffffff,pciPtr->Slot.l);
- else
- continue;
- size = PciRead32(i + 0x10,pciPtr->Slot.l);
- PciWrite32(i + 0x10,val,pciPtr->Slot.l);
- size = ~(CARD32)(size & 0xFFFFFFF0) + 1;
+ if (pciPtr->bus != pciP->bus) {
+ pciPtr = pciPtr->next;
+ continue;
+ }
+ for (i = 0; i < 20; i=i+4) {
+
+ val = PciRead32(i + 0x10,pciPtr->Slot.l);
+ if (!(val & 1))
+
+ PciWrite32(i + 0x10,0xffffffff,pciPtr->Slot.l);
+ else
+ continue;
+ size = PciRead32(i + 0x10,pciPtr->Slot.l);
+ PciWrite32(i + 0x10,val,pciPtr->Slot.l);
+ size = ~(CARD32)(size & 0xFFFFFFF0) + 1;
#ifdef V86_BIOS_DEBUG
- P_printf("size: 0x%x\n",size);
+ P_printf("size: 0x%x\n",size);
#endif
- if (size >= *biosSize) {
- if (pciP == pciPtr) { /* if same device remap ram*/
- if (!(remapMem(pciP,i,size)))
- continue;
- remapMEM_val = val;
- remapMEM_num = i;
- } else {
- remapMEM_val = 0;
- }
- return val & 0xFFFFFF00;
- }
- }
- pciPtr = pciPtr->next;
+ if (size >= *biosSize) {
+ if (pciP == pciPtr) { /* if same device remap ram*/
+ if (!(remapMem(pciP,i,size)))
+ continue;
+ remapMEM_val = val;
+ remapMEM_num = i;
+ } else {
+ remapMEM_val = 0;
+ }
+ return val & 0xFFFFFF00;
+ }
+ }
+ pciPtr = pciPtr->next;
}
remapMEM_val = 0;
/* very last resort */
- if (pciP->bus == 0 && (pciMinMemReg > *biosSize))
+ if (pciP->bus == 0 && (pciMinMemReg > *biosSize))
return (pciMinMemReg - size) & ~(size - 1);
-
+
return 0;
}
@@ -863,7 +862,7 @@ cfg1out(CARD16 addr, CARD32 val)
return 0;
}
-int
+int
cfg1in(CARD16 addr, CARD32 *val)
{
if (addr == 0xCF8) {
@@ -883,8 +882,8 @@ list_pci(void)
while (pci) {
printf("[0x%x:0x%x:0x%x] vendor: 0x%4.4x dev: 0x%4.4x class: 0x%4.4x"
- " subclass: 0x%4.4x\n",pci->bus,pci->dev,pci->func,
- pci->VendorID,pci->DeviceID,pci->BaseClass,pci->SubClass);
+ " subclass: 0x%4.4x\n",pci->bus,pci->dev,pci->func,
+ pci->VendorID,pci->DeviceID,pci->BaseClass,pci->SubClass);
pci = pci->next;
}
}
@@ -893,7 +892,7 @@ PciStructPtr
findPciByIDs(int bus, int dev, int func)
{
PciStructPtr pciP = PciList;
-
+
while (pciP) {
if (pciP->bus == bus && pciP->dev == dev && pciP->func == func)
return pciP;
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 02:41:33 +0000