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Diffstat (limited to 'hw/xfree86/os-support/linux/int10/linux.c')
-rw-r--r--hw/xfree86/os-support/linux/int10/linux.c544
1 files changed, 275 insertions, 269 deletions
diff --git a/hw/xfree86/os-support/linux/int10/linux.c b/hw/xfree86/os-support/linux/int10/linux.c
index 564447ff6..fa58a72b6 100644
--- a/hw/xfree86/os-support/linux/int10/linux.c
+++ b/hw/xfree86/os-support/linux/int10/linux.c
@@ -50,10 +50,10 @@ int10MemRec linuxMem = {
typedef struct {
int lowMem;
int highMem;
- char* base;
- char* base_high;
+ char *base;
+ char *base_high;
int screen;
- char* alloc;
+ char *alloc;
} linuxInt10Priv;
#if defined DoSubModules
@@ -69,7 +69,7 @@ static Int10LinuxSubModuleState loadedSubModule = INT10_NOT_LOADED;
static Int10LinuxSubModuleState int10LinuxLoadSubModule(ScrnInfoPtr pScrn);
-#endif /* DoSubModules */
+#endif /* DoSubModules */
xf86Int10InfoPtr
xf86ExtendedInitInt10(int entityIndex, int Flags)
@@ -77,152 +77,155 @@ xf86ExtendedInitInt10(int entityIndex, int Flags)
xf86Int10InfoPtr pInt = NULL;
int screen;
int fd;
- static void* vidMem = NULL;
- static void* sysMem = NULL;
- void* vMem = NULL;
+ static void *vidMem = NULL;
+ static void *sysMem = NULL;
+ void *vMem = NULL;
void *options = NULL;
int low_mem;
int high_mem = -1;
char *base = SHMERRORPTR;
char *base_high = SHMERRORPTR;
- int pagesize;
+ int pagesize;
memType cs;
legacyVGARec vga;
Bool videoBiosMapped = FALSE;
-
+
if (int10Generation != serverGeneration) {
- counter = 0;
- int10Generation = serverGeneration;
+ counter = 0;
+ int10Generation = serverGeneration;
}
screen = (xf86FindScreenForEntity(entityIndex))->scrnIndex;
- options = xf86HandleInt10Options(xf86Screens[screen],entityIndex);
+ options = xf86HandleInt10Options(xf86Screens[screen], entityIndex);
if (int10skip(options)) {
- free(options);
- return NULL;
+ free(options);
+ return NULL;
}
#if defined DoSubModules
- if (loadedSubModule == INT10_NOT_LOADED)
- loadedSubModule = int10LinuxLoadSubModule(xf86Screens[screen]);
+ if (loadedSubModule == INT10_NOT_LOADED)
+ loadedSubModule = int10LinuxLoadSubModule(xf86Screens[screen]);
if (loadedSubModule == INT10_LOAD_FAILED)
- return NULL;
+ return NULL;
#endif
if ((!vidMem) || (!sysMem)) {
- if ((fd = open(DEV_MEM, O_RDWR, 0)) >= 0) {
- if (!sysMem) {
- DebugF("Mapping sys bios area\n");
- if ((sysMem = mmap((void *)(SYS_BIOS), BIOS_SIZE,
- PROT_READ | PROT_EXEC,
- MAP_SHARED | MAP_FIXED, fd, SYS_BIOS))
- == MAP_FAILED) {
- xf86DrvMsg(screen, X_ERROR, "Cannot map SYS BIOS\n");
- close(fd);
- goto error0;
- }
- }
- if (!vidMem) {
- DebugF("Mapping VRAM area\n");
- if ((vidMem = mmap((void *)(V_RAM), VRAM_SIZE,
- PROT_READ | PROT_WRITE | PROT_EXEC,
- MAP_SHARED | MAP_FIXED, fd, V_RAM))
- == MAP_FAILED) {
- xf86DrvMsg(screen, X_ERROR, "Cannot map V_RAM\n");
- close(fd);
- goto error0;
- }
- }
- close(fd);
- } else {
- xf86DrvMsg(screen, X_ERROR, "Cannot open %s\n", DEV_MEM);
- goto error0;
- }
+ if ((fd = open(DEV_MEM, O_RDWR, 0)) >= 0) {
+ if (!sysMem) {
+ DebugF("Mapping sys bios area\n");
+ if ((sysMem = mmap((void *) (SYS_BIOS), BIOS_SIZE,
+ PROT_READ | PROT_EXEC,
+ MAP_SHARED | MAP_FIXED, fd, SYS_BIOS))
+ == MAP_FAILED) {
+ xf86DrvMsg(screen, X_ERROR, "Cannot map SYS BIOS\n");
+ close(fd);
+ goto error0;
+ }
+ }
+ if (!vidMem) {
+ DebugF("Mapping VRAM area\n");
+ if ((vidMem = mmap((void *) (V_RAM), VRAM_SIZE,
+ PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_SHARED | MAP_FIXED, fd, V_RAM))
+ == MAP_FAILED) {
+ xf86DrvMsg(screen, X_ERROR, "Cannot map V_RAM\n");
+ close(fd);
+ goto error0;
+ }
+ }
+ close(fd);
+ }
+ else {
+ xf86DrvMsg(screen, X_ERROR, "Cannot open %s\n", DEV_MEM);
+ goto error0;
+ }
}
- pInt = (xf86Int10InfoPtr)xnfcalloc(1, sizeof(xf86Int10InfoRec));
+ pInt = (xf86Int10InfoPtr) xnfcalloc(1, sizeof(xf86Int10InfoRec));
pInt->scrnIndex = screen;
pInt->entityIndex = entityIndex;
pInt->dev = xf86GetPciInfoForEntity(entityIndex);
if (!xf86Int10ExecSetup(pInt))
- goto error0;
+ goto error0;
pInt->mem = &linuxMem;
pagesize = getpagesize();
- pInt->private = (pointer)xnfcalloc(1, sizeof(linuxInt10Priv));
- ((linuxInt10Priv*)pInt->private)->screen = screen;
- ((linuxInt10Priv*)pInt->private)->alloc =
- (pointer)xnfcalloc(1, ALLOC_ENTRIES(pagesize));
+ pInt->private = (pointer) xnfcalloc(1, sizeof(linuxInt10Priv));
+ ((linuxInt10Priv *) pInt->private)->screen = screen;
+ ((linuxInt10Priv *) pInt->private)->alloc =
+ (pointer) xnfcalloc(1, ALLOC_ENTRIES(pagesize));
if (!xf86IsEntityPrimary(entityIndex)) {
- DebugF("Mapping high memory area\n");
- if ((high_mem = shmget(counter++, HIGH_MEM_SIZE,
- IPC_CREAT | SHM_R | SHM_W)) == -1) {
- if (errno == ENOSYS)
- xf86DrvMsg(screen, X_ERROR, "shmget error\n Please reconfigure"
- " your kernel to include System V IPC support\n");
- else
- xf86DrvMsg(screen, X_ERROR,
- "shmget(highmem) error: %s\n",strerror(errno));
- goto error1;
- }
- } else {
- DebugF("Mapping Video BIOS\n");
- videoBiosMapped = TRUE;
- if ((fd = open(DEV_MEM, O_RDWR, 0)) >= 0) {
- if ((vMem = mmap((void *)(V_BIOS), SYS_BIOS - V_BIOS,
- PROT_READ | PROT_WRITE | PROT_EXEC,
- MAP_SHARED | MAP_FIXED, fd, V_BIOS))
- == MAP_FAILED) {
- xf86DrvMsg(screen, X_ERROR, "Cannot map V_BIOS\n");
- close(fd);
- goto error1;
- }
- close (fd);
- } else
- goto error1;
+ DebugF("Mapping high memory area\n");
+ if ((high_mem = shmget(counter++, HIGH_MEM_SIZE,
+ IPC_CREAT | SHM_R | SHM_W)) == -1) {
+ if (errno == ENOSYS)
+ xf86DrvMsg(screen, X_ERROR, "shmget error\n Please reconfigure"
+ " your kernel to include System V IPC support\n");
+ else
+ xf86DrvMsg(screen, X_ERROR,
+ "shmget(highmem) error: %s\n", strerror(errno));
+ goto error1;
+ }
+ }
+ else {
+ DebugF("Mapping Video BIOS\n");
+ videoBiosMapped = TRUE;
+ if ((fd = open(DEV_MEM, O_RDWR, 0)) >= 0) {
+ if ((vMem = mmap((void *) (V_BIOS), SYS_BIOS - V_BIOS,
+ PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_SHARED | MAP_FIXED, fd, V_BIOS))
+ == MAP_FAILED) {
+ xf86DrvMsg(screen, X_ERROR, "Cannot map V_BIOS\n");
+ close(fd);
+ goto error1;
+ }
+ close(fd);
+ }
+ else
+ goto error1;
}
- ((linuxInt10Priv*)pInt->private)->highMem = high_mem;
-
+ ((linuxInt10Priv *) pInt->private)->highMem = high_mem;
+
DebugF("Mapping 640kB area\n");
- if ((low_mem = shmget(counter++, V_RAM,
- IPC_CREAT | SHM_R | SHM_W)) == -1) {
- xf86DrvMsg(screen, X_ERROR,
- "shmget(lowmem) error: %s\n",strerror(errno));
- goto error2;
+ if ((low_mem = shmget(counter++, V_RAM, IPC_CREAT | SHM_R | SHM_W)) == -1) {
+ xf86DrvMsg(screen, X_ERROR,
+ "shmget(lowmem) error: %s\n", strerror(errno));
+ goto error2;
}
- ((linuxInt10Priv*)pInt->private)->lowMem = low_mem;
+ ((linuxInt10Priv *) pInt->private)->lowMem = low_mem;
base = shmat(low_mem, 0, 0);
if (base == SHMERRORPTR) {
- xf86DrvMsg(screen, X_ERROR,
- "shmat(low_mem) error: %s\n",strerror(errno));
- goto error3;
+ xf86DrvMsg(screen, X_ERROR,
+ "shmat(low_mem) error: %s\n", strerror(errno));
+ goto error3;
}
- ((linuxInt10Priv *)pInt->private)->base = base;
+ ((linuxInt10Priv *) pInt->private)->base = base;
if (high_mem > -1) {
- base_high = shmat(high_mem, 0, 0);
- if (base_high == SHMERRORPTR) {
- xf86DrvMsg(screen, X_ERROR,
- "shmat(high_mem) error: %s\n",strerror(errno));
- goto error3;
- }
- ((linuxInt10Priv*)pInt->private)->base_high = base_high;
- } else
- ((linuxInt10Priv*)pInt->private)->base_high = NULL;
+ base_high = shmat(high_mem, 0, 0);
+ if (base_high == SHMERRORPTR) {
+ xf86DrvMsg(screen, X_ERROR,
+ "shmat(high_mem) error: %s\n", strerror(errno));
+ goto error3;
+ }
+ ((linuxInt10Priv *) pInt->private)->base_high = base_high;
+ }
+ else
+ ((linuxInt10Priv *) pInt->private)->base_high = NULL;
if (!MapCurrentInt10(pInt))
- goto error3;
-
+ goto error3;
+
Int10Current = pInt;
DebugF("Mapping int area\n");
- if (xf86ReadBIOS(0, 0, (unsigned char *)0, LOW_PAGE_SIZE) < 0) {
- xf86DrvMsg(screen, X_ERROR, "Cannot read int vect\n");
- goto error3;
+ if (xf86ReadBIOS(0, 0, (unsigned char *) 0, LOW_PAGE_SIZE) < 0) {
+ xf86DrvMsg(screen, X_ERROR, "Cannot read int vect\n");
+ goto error3;
}
DebugF("done\n");
/*
@@ -231,57 +234,58 @@ xf86ExtendedInitInt10(int entityIndex, int Flags)
* 64K bytes at a time.
*/
if (!videoBiosMapped) {
- memset((pointer)V_BIOS, 0, SYS_BIOS - V_BIOS);
- DebugF("Reading BIOS\n");
- for (cs = V_BIOS; cs < SYS_BIOS; cs += V_BIOS_SIZE)
- if (xf86ReadBIOS(cs, 0, (pointer)cs, V_BIOS_SIZE) < V_BIOS_SIZE)
- xf86DrvMsg(screen, X_WARNING,
- "Unable to retrieve all of segment 0x%06lX.\n",
- (long)cs);
- DebugF("done\n");
+ memset((pointer) V_BIOS, 0, SYS_BIOS - V_BIOS);
+ DebugF("Reading BIOS\n");
+ for (cs = V_BIOS; cs < SYS_BIOS; cs += V_BIOS_SIZE)
+ if (xf86ReadBIOS(cs, 0, (pointer) cs, V_BIOS_SIZE) < V_BIOS_SIZE)
+ xf86DrvMsg(screen, X_WARNING,
+ "Unable to retrieve all of segment 0x%06lX.\n",
+ (long) cs);
+ DebugF("done\n");
}
if (xf86IsEntityPrimary(entityIndex) && !(initPrimary(options))) {
- if (!xf86int10GetBiosSegment(pInt, NULL))
- goto error3;
-
- set_return_trap(pInt);
-#ifdef _PC
- pInt->Flags = Flags & (SET_BIOS_SCRATCH | RESTORE_BIOS_SCRATCH);
- if (! (pInt->Flags & SET_BIOS_SCRATCH))
- pInt->Flags &= ~RESTORE_BIOS_SCRATCH;
- xf86Int10SaveRestoreBIOSVars(pInt, TRUE);
+ if (!xf86int10GetBiosSegment(pInt, NULL))
+ goto error3;
+
+ set_return_trap(pInt);
+#ifdef _PC
+ pInt->Flags = Flags & (SET_BIOS_SCRATCH | RESTORE_BIOS_SCRATCH);
+ if (!(pInt->Flags & SET_BIOS_SCRATCH))
+ pInt->Flags &= ~RESTORE_BIOS_SCRATCH;
+ xf86Int10SaveRestoreBIOSVars(pInt, TRUE);
#endif
- } else {
- const BusType location_type = xf86int10GetBiosLocationType(pInt);
-
- switch (location_type) {
- case BUS_PCI: {
- int err;
- struct pci_device *rom_device =
- xf86GetPciInfoForEntity(pInt->entityIndex);
-
- pci_device_enable(rom_device);
- err = pci_device_read_rom(rom_device, (unsigned char *)(V_BIOS));
- if (err) {
- xf86DrvMsg(screen,X_ERROR,"Cannot read V_BIOS (%s)\n",
- strerror(err));
- goto error3;
- }
-
- pInt->BIOSseg = V_BIOS >> 4;
- break;
- }
- default:
- goto error3;
- }
-
- pInt->num = 0xe6;
- reset_int_vect(pInt);
- set_return_trap(pInt);
- LockLegacyVGA(pInt, &vga);
- xf86ExecX86int10(pInt);
- UnlockLegacyVGA(pInt, &vga);
+ }
+ else {
+ const BusType location_type = xf86int10GetBiosLocationType(pInt);
+
+ switch (location_type) {
+ case BUS_PCI:{
+ int err;
+ struct pci_device *rom_device =
+ xf86GetPciInfoForEntity(pInt->entityIndex);
+
+ pci_device_enable(rom_device);
+ err = pci_device_read_rom(rom_device, (unsigned char *) (V_BIOS));
+ if (err) {
+ xf86DrvMsg(screen, X_ERROR, "Cannot read V_BIOS (%s)\n",
+ strerror(err));
+ goto error3;
+ }
+
+ pInt->BIOSseg = V_BIOS >> 4;
+ break;
+ }
+ default:
+ goto error3;
+ }
+
+ pInt->num = 0xe6;
+ reset_int_vect(pInt);
+ set_return_trap(pInt);
+ LockLegacyVGA(pInt, &vga);
+ xf86ExecX86int10(pInt);
+ UnlockLegacyVGA(pInt, &vga);
}
#ifdef DEBUG
dprint(0xc0000, 0x20);
@@ -290,24 +294,24 @@ xf86ExtendedInitInt10(int entityIndex, int Flags)
free(options);
return pInt;
-error3:
+ error3:
if (base_high)
- shmdt(base_high);
+ shmdt(base_high);
shmdt(base);
shmdt(0);
if (base_high)
- shmdt((char*)HIGH_MEM);
+ shmdt((char *) HIGH_MEM);
shmctl(low_mem, IPC_RMID, NULL);
Int10Current = NULL;
-error2:
+ error2:
if (high_mem > -1)
- shmctl(high_mem, IPC_RMID,NULL);
-error1:
+ shmctl(high_mem, IPC_RMID, NULL);
+ error1:
if (vMem)
- munmap(vMem, SYS_BIOS - V_BIOS);
- free(((linuxInt10Priv*)pInt->private)->alloc);
+ munmap(vMem, SYS_BIOS - V_BIOS);
+ free(((linuxInt10Priv *) pInt->private)->alloc);
free(pInt->private);
-error0:
+ error0:
free(options);
free(pInt);
return NULL;
@@ -318,57 +322,60 @@ MapCurrentInt10(xf86Int10InfoPtr pInt)
{
pointer addr;
int fd = -1;
-
+
if (Int10Current) {
- shmdt(0);
- if (((linuxInt10Priv*)Int10Current->private)->highMem >= 0)
- shmdt((char*)HIGH_MEM);
- else
- munmap((pointer)V_BIOS, (SYS_BIOS - V_BIOS));
+ shmdt(0);
+ if (((linuxInt10Priv *) Int10Current->private)->highMem >= 0)
+ shmdt((char *) HIGH_MEM);
+ else
+ munmap((pointer) V_BIOS, (SYS_BIOS - V_BIOS));
}
- addr = shmat(((linuxInt10Priv*)pInt->private)->lowMem, (char*)1, SHM_RND);
+ addr =
+ shmat(((linuxInt10Priv *) pInt->private)->lowMem, (char *) 1, SHM_RND);
if (addr == SHMERRORPTR) {
- xf86DrvMsg(pInt->scrnIndex, X_ERROR, "Cannot shmat() low memory\n");
- xf86DrvMsg(pInt->scrnIndex, X_ERROR,
- "shmat(low_mem) error: %s\n",strerror(errno));
- return FALSE;
+ xf86DrvMsg(pInt->scrnIndex, X_ERROR, "Cannot shmat() low memory\n");
+ xf86DrvMsg(pInt->scrnIndex, X_ERROR,
+ "shmat(low_mem) error: %s\n", strerror(errno));
+ return FALSE;
}
- if (mprotect((void*)0, V_RAM, PROT_READ|PROT_WRITE|PROT_EXEC) != 0)
+ if (mprotect((void *) 0, V_RAM, PROT_READ | PROT_WRITE | PROT_EXEC) != 0)
xf86DrvMsg(pInt->scrnIndex, X_ERROR,
- "Cannot set EXEC bit on low memory: %s\n", strerror(errno));
-
- if (((linuxInt10Priv*)pInt->private)->highMem >= 0) {
- addr = shmat(((linuxInt10Priv*)pInt->private)->highMem,
- (char*)HIGH_MEM, 0);
- if (addr == SHMERRORPTR) {
- xf86DrvMsg(pInt->scrnIndex, X_ERROR,
- "Cannot shmat() high memory\n");
- xf86DrvMsg(pInt->scrnIndex, X_ERROR,
- "shmget error: %s\n",strerror(errno));
- return FALSE;
- }
- if (mprotect((void*)HIGH_MEM, HIGH_MEM_SIZE,
- PROT_READ|PROT_WRITE|PROT_EXEC) != 0)
- xf86DrvMsg(pInt->scrnIndex, X_ERROR,
- "Cannot set EXEC bit on high memory: %s\n",
- strerror(errno));
- } else {
- if ((fd = open(DEV_MEM, O_RDWR, 0)) >= 0) {
- if (mmap((void *)(V_BIOS), SYS_BIOS - V_BIOS,
- PROT_READ | PROT_WRITE | PROT_EXEC,
- MAP_SHARED | MAP_FIXED, fd, V_BIOS)
- == MAP_FAILED) {
- xf86DrvMsg(pInt->scrnIndex, X_ERROR, "Cannot map V_BIOS\n");
- close (fd);
- return FALSE;
- }
- } else {
- xf86DrvMsg(pInt->scrnIndex, X_ERROR, "Cannot open %s\n",DEV_MEM);
- return FALSE;
- }
- close (fd);
+ "Cannot set EXEC bit on low memory: %s\n", strerror(errno));
+
+ if (((linuxInt10Priv *) pInt->private)->highMem >= 0) {
+ addr = shmat(((linuxInt10Priv *) pInt->private)->highMem,
+ (char *) HIGH_MEM, 0);
+ if (addr == SHMERRORPTR) {
+ xf86DrvMsg(pInt->scrnIndex, X_ERROR,
+ "Cannot shmat() high memory\n");
+ xf86DrvMsg(pInt->scrnIndex, X_ERROR,
+ "shmget error: %s\n", strerror(errno));
+ return FALSE;
+ }
+ if (mprotect((void *) HIGH_MEM, HIGH_MEM_SIZE,
+ PROT_READ | PROT_WRITE | PROT_EXEC) != 0)
+ xf86DrvMsg(pInt->scrnIndex, X_ERROR,
+ "Cannot set EXEC bit on high memory: %s\n",
+ strerror(errno));
}
-
+ else {
+ if ((fd = open(DEV_MEM, O_RDWR, 0)) >= 0) {
+ if (mmap((void *) (V_BIOS), SYS_BIOS - V_BIOS,
+ PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_SHARED | MAP_FIXED, fd, V_BIOS)
+ == MAP_FAILED) {
+ xf86DrvMsg(pInt->scrnIndex, X_ERROR, "Cannot map V_BIOS\n");
+ close(fd);
+ return FALSE;
+ }
+ }
+ else {
+ xf86DrvMsg(pInt->scrnIndex, X_ERROR, "Cannot open %s\n", DEV_MEM);
+ return FALSE;
+ }
+ close(fd);
+ }
+
return TRUE;
}
@@ -376,27 +383,27 @@ void
xf86FreeInt10(xf86Int10InfoPtr pInt)
{
if (!pInt)
- return;
+ return;
#ifdef _PC
- xf86Int10SaveRestoreBIOSVars(pInt, FALSE);
+ xf86Int10SaveRestoreBIOSVars(pInt, FALSE);
#endif
if (Int10Current == pInt) {
- shmdt(0);
- if (((linuxInt10Priv*)pInt->private)->highMem >= 0)
- shmdt((char*)HIGH_MEM);
- else
- munmap((pointer)V_BIOS, (SYS_BIOS - V_BIOS));
- Int10Current = NULL;
+ shmdt(0);
+ if (((linuxInt10Priv *) pInt->private)->highMem >= 0)
+ shmdt((char *) HIGH_MEM);
+ else
+ munmap((pointer) V_BIOS, (SYS_BIOS - V_BIOS));
+ Int10Current = NULL;
}
-
- if (((linuxInt10Priv*)pInt->private)->base_high)
- shmdt(((linuxInt10Priv*)pInt->private)->base_high);
- shmdt(((linuxInt10Priv*)pInt->private)->base);
- shmctl(((linuxInt10Priv*)pInt->private)->lowMem, IPC_RMID, NULL);
- if (((linuxInt10Priv*)pInt->private)->highMem >= 0)
- shmctl(((linuxInt10Priv*)pInt->private)->highMem, IPC_RMID, NULL);
- free(((linuxInt10Priv*)pInt->private)->alloc);
+
+ if (((linuxInt10Priv *) pInt->private)->base_high)
+ shmdt(((linuxInt10Priv *) pInt->private)->base_high);
+ shmdt(((linuxInt10Priv *) pInt->private)->base);
+ shmctl(((linuxInt10Priv *) pInt->private)->lowMem, IPC_RMID, NULL);
+ if (((linuxInt10Priv *) pInt->private)->highMem >= 0)
+ shmctl(((linuxInt10Priv *) pInt->private)->highMem, IPC_RMID, NULL);
+ free(((linuxInt10Priv *) pInt->private)->alloc);
free(pInt->private);
free(pInt);
}
@@ -409,91 +416,93 @@ xf86Int10AllocPages(xf86Int10InfoPtr pInt, int num, int *off)
int i, j;
for (i = 0; i < (num_pages - num); i++) {
- if (((linuxInt10Priv*)pInt->private)->alloc[i] == 0) {
- for (j = i; j < (num + i); j++)
- if ((((linuxInt10Priv*)pInt->private)->alloc[j] != 0))
- break;
- if (j == (num + i))
- break;
- else
- i = i + num;
- }
+ if (((linuxInt10Priv *) pInt->private)->alloc[i] == 0) {
+ for (j = i; j < (num + i); j++)
+ if ((((linuxInt10Priv *) pInt->private)->alloc[j] != 0))
+ break;
+ if (j == (num + i))
+ break;
+ else
+ i = i + num;
+ }
}
if (i == (num_pages - num))
- return NULL;
+ return NULL;
for (j = i; j < (i + num); j++)
- ((linuxInt10Priv*)pInt->private)->alloc[j] = 1;
+ ((linuxInt10Priv *) pInt->private)->alloc[j] = 1;
*off = (i + 1) * pagesize;
- return ((linuxInt10Priv*)pInt->private)->base + ((i + 1) * pagesize);
+ return ((linuxInt10Priv *) pInt->private)->base + ((i + 1) * pagesize);
}
void
xf86Int10FreePages(xf86Int10InfoPtr pInt, void *pbase, int num)
{
int pagesize = getpagesize();
- int first = (((unsigned long)pbase
- - (unsigned long)((linuxInt10Priv*)pInt->private)->base)
- / pagesize) - 1;
+ int first = (((unsigned long) pbase
+ - (unsigned long) ((linuxInt10Priv *) pInt->private)->base)
+ / pagesize) - 1;
int i;
for (i = first; i < (first + num); i++)
- ((linuxInt10Priv*)pInt->private)->alloc[i] = 0;
+ ((linuxInt10Priv *) pInt->private)->alloc[i] = 0;
}
static CARD8
read_b(xf86Int10InfoPtr pInt, int addr)
{
- return *((CARD8 *)(memType)addr);
+ return *((CARD8 *) (memType) addr);
}
static CARD16
read_w(xf86Int10InfoPtr pInt, int addr)
{
- return *((CARD16 *)(memType)addr);
+ return *((CARD16 *) (memType) addr);
}
static CARD32
read_l(xf86Int10InfoPtr pInt, int addr)
{
- return *((CARD32 *)(memType)addr);
+ return *((CARD32 *) (memType) addr);
}
static void
write_b(xf86Int10InfoPtr pInt, int addr, CARD8 val)
{
- *((CARD8 *)(memType)addr) = val;
+ *((CARD8 *) (memType) addr) = val;
}
static void
write_w(xf86Int10InfoPtr pInt, int addr, CARD16 val)
{
- *((CARD16 *)(memType)addr) = val;
+ *((CARD16 *) (memType) addr) = val;
}
static
-void write_l(xf86Int10InfoPtr pInt, int addr, CARD32 val)
+ void
+write_l(xf86Int10InfoPtr pInt, int addr, CARD32 val)
{
- *((CARD32 *)(memType) addr) = val;
+ *((CARD32 *) (memType) addr) = val;
}
pointer
xf86int10Addr(xf86Int10InfoPtr pInt, CARD32 addr)
{
if (addr < V_RAM)
- return ((linuxInt10Priv*)pInt->private)->base + addr;
+ return ((linuxInt10Priv *) pInt->private)->base + addr;
else if (addr < V_BIOS)
- return (pointer)(memType)addr;
+ return (pointer) (memType) addr;
else if (addr < SYS_BIOS) {
- if (((linuxInt10Priv*)pInt->private)->base_high)
- return (pointer)(((linuxInt10Priv*)pInt->private)->base_high
- - V_BIOS + addr);
- else
- return (pointer) (memType)addr;
- } else
- return (pointer) (memType)addr;
+ if (((linuxInt10Priv *) pInt->private)->base_high)
+ return (pointer) (((linuxInt10Priv *) pInt->private)->base_high
+ - V_BIOS + addr);
+ else
+ return (pointer) (memType) addr;
+ }
+ else
+ return (pointer) (memType) addr;
}
#if defined DoSubModules
@@ -507,20 +516,17 @@ vm86_tst(void)
/* When compiling with -fPIC, we can't use asm constraint "b" because
%ebx is already taken by gcc. */
__asm__ __volatile__("pushl %%ebx\n\t"
- "movl %2,%%ebx\n\t"
- "movl %1,%%eax\n\t"
- "int $0x80\n\t"
- "popl %%ebx"
- :"=a" (__res)
- :"n" ((int)113), "r" (NULL));
+ "movl %2,%%ebx\n\t"
+ "movl %1,%%eax\n\t"
+ "int $0x80\n\t" "popl %%ebx":"=a"(__res)
+ :"n"((int) 113), "r"(NULL));
#else
- __asm__ __volatile__("int $0x80\n\t"
- :"=a" (__res):"a" ((int)113),
- "b" ((struct vm86_struct *)NULL));
+ __asm__ __volatile__("int $0x80\n\t":"=a"(__res):"a"((int) 113),
+ "b"((struct vm86_struct *) NULL));
#endif
- if (__res < 0 && __res == -ENOSYS)
- return FALSE;
+ if (__res < 0 && __res == -ENOSYS)
+ return FALSE;
return TRUE;
}
@@ -529,13 +535,13 @@ static Int10LinuxSubModuleState
int10LinuxLoadSubModule(ScrnInfoPtr pScrn)
{
if (vm86_tst()) {
- if (xf86LoadSubModule(pScrn,"vm86"))
- return INT10_LOADED_VM86;
- }
- if (xf86LoadSubModule(pScrn,"x86emu"))
- return INT10_LOADED_X86EMU;
+ if (xf86LoadSubModule(pScrn, "vm86"))
+ return INT10_LOADED_VM86;
+ }
+ if (xf86LoadSubModule(pScrn, "x86emu"))
+ return INT10_LOADED_X86EMU;
return INT10_LOAD_FAILED;
}
-#endif /* DoSubModules */
+#endif /* DoSubModules */