+/*
+ * fireglload
+ * (C) notaz, 2014
+ *
+ * This work is licensed under the terms of 3-clause BSD license.
+ * See COPYING file in the top-level directory.
+ */
+
+#include <stdio.h>
+#include <dlfcn.h>
+#include <pthread.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <time.h>
+
+#include <pciaccess.h>
+
+#include <xorg/xf86.h>
+#include <xorg/xf86Module.h>
+#include <xorg/xf86str.h>
+
+#if 0
+#define TRACE(f, ...) \
+ fprintf(stderr, ". %s " f, __FUNCTION__, ##__VA_ARGS__)
+#define NI() \
+ fprintf(stderr, "NI: %s\n", __FUNCTION__)
+#else
+#define TRACE(...)
+#define NI()
+#endif
+
+#ifndef _X_EXPORT
+#define _X_EXPORT __attribute__((visibility("default")))
+#endif
+
+static GDevRec drec;
+
+#ifdef DIX_H
+_X_EXPORT ClientPtr clients[MAXCLIENTS];
+_X_EXPORT ScreenInfo screenInfo;
+_X_EXPORT ClientPtr serverClient;
+#else
+#define MAXCLIENTS 256
+_X_EXPORT void *clients[MAXCLIENTS];
+_X_EXPORT long screenInfo[16]; // ScreenInfo
+_X_EXPORT void *serverClient;
+#endif
+#ifdef _XF86_H
+_X_EXPORT ScrnInfoPtr *xf86Screens;
+_X_EXPORT confDRIRec xf86ConfigDRI;
+#else
+_X_EXPORT void *xf86Screens;
+_X_EXPORT long xf86ConfigDRI[4]; // confDRIRec
+#endif
+_X_EXPORT int PanoramiXNumScreens;
+_X_EXPORT long inputInfo[16]; // InputInfo
+_X_EXPORT unsigned long globalSerialNumber = 0;
+_X_EXPORT unsigned long serverGeneration = 0;
+_X_EXPORT int noPanoramiXExtension;
+_X_EXPORT int noRRExtension;
+_X_EXPORT int noCompositeExtension;
+_X_EXPORT int noRenderExtension;
+_X_EXPORT char dispatchException;
+_X_EXPORT void *xf86DriverList;
+_X_EXPORT int xf86NumDrivers;
+_X_EXPORT void *xf86configptr;
+_X_EXPORT int xf86DefaultModes[1024]; // DisplayModeRec[]
+_X_EXPORT int xf86Info[64]; // xf86InfoRec
+_X_EXPORT int xf86Initialising;
+_X_EXPORT int XRT_WINDOW;
+_X_EXPORT int monitorResolution;
+_X_EXPORT int DPMSEnabled;
+#define SCREEN_SAVER_OFF 1
+_X_EXPORT int screenIsSaved = SCREEN_SAVER_OFF;
+
+#ifndef _XF86_H
+_X_EXPORT void xf86DrvMsg(int scrnIndex, MessageType type, const char *format, ...);
+_X_EXPORT Bool xf86LoaderCheckSymbol(const char *name);
+_X_EXPORT void xf86AddDriver(DriverPtr driver, pointer module, int flags);
+#endif
+_X_EXPORT void GetSpritePosition(struct _DeviceIntRec*, int *, int *);
+_X_EXPORT int xf86LoadKernelModule(const char *pathname);
+
+// don't delete my globals..
+extern void ddmg(void *g);
+
+static void __attribute__((constructor)) ddmg_hack(void)
+{
+ ddmg(&clients);
+ ddmg(&PanoramiXNumScreens);
+ ddmg(&inputInfo);
+ ddmg(&screenInfo);
+ ddmg(&globalSerialNumber);
+ ddmg(&serverGeneration);
+ ddmg(&noPanoramiXExtension);
+ ddmg(&noRRExtension);
+ ddmg(&noCompositeExtension);
+ ddmg(&noRenderExtension);
+ ddmg(&dispatchException);
+ ddmg(&xf86Screens);
+ ddmg(&xf86DriverList);
+ ddmg(&xf86NumDrivers);
+ ddmg(&xf86configptr);
+ ddmg(&xf86DefaultModes);
+ ddmg(&xf86Info);
+ ddmg(&xf86ConfigDRI);
+ ddmg(&xf86Initialising);
+ ddmg(&serverClient);
+ ddmg(&XRT_WINDOW);
+ ddmg(&monitorResolution);
+ ddmg(&DPMSEnabled);
+ ddmg(&screenIsSaved);
+
+ ddmg(&LoadSubModule);
+ ddmg(&LoaderSymbol);
+ ddmg(&xf86LoaderCheckSymbol);
+ ddmg(&xf86DrvMsg);
+ ddmg(&xf86VDrvMsgVerb);
+ ddmg(&xf86Msg);
+ ddmg(&xf86MsgVerb);
+ ddmg(&xf86AddDriver);
+ ddmg(&GetSpritePosition);
+ ddmg(&XNFalloc);
+ ddmg(&XNFcalloc);
+ ddmg(&XNFrealloc);
+ ddmg(&xf86MatchDevice);
+ ddmg(&xf86LoadKernelModule);
+ ddmg(&xf86MatchPciInstances);
+ ddmg(&xf86CheckPciSlot);
+ ddmg(&xf86ConfigPciEntity);
+ ddmg(&xf86ComparePciBusString);
+ ddmg(&xf86ClaimPciSlot);
+ ddmg(&xf86GetPciInfoForEntity);
+ ddmg(&xf86GetEntityInfo);
+ ddmg(&xf86AllocateEntityPrivateIndex);
+ ddmg(&xf86GetEntityPrivate);
+ ddmg(&xf86SetEntitySharable);
+ ddmg(&xf86GetNumEntityInstances);
+ ddmg(&xf86GetDevFromEntity);
+ ddmg(&xf86AddBusDeviceToConfigure);
+ ddmg(&GetTimeInMillis);
+ ddmg(&xf86GetOptValBool);
+}
+
+#define MAKE_FUNC(name) \
+int _X_EXPORT name() \
+{ \
+ NI(); \
+ return 0; \
+} \
+static void __attribute__((constructor)) c_##name(void) \
+{ \
+ ddmg(&name); \
+}
+
+MAKE_FUNC(xf86SetDGAMode)
+MAKE_FUNC(GetSpriteCursor)
+MAKE_FUNC(StandardMinorOpcode)
+
+void
+GetSpritePosition(struct _DeviceIntRec *pDev, int *px, int *py)
+{
+ NI();
+}
+
+pointer
+LoadSubModule(pointer _parent, const char *module,
+ const char **subdirlist, const char **patternlist,
+ pointer options, const XF86ModReqInfo * modreq,
+ int *errmaj, int *errmin)
+{
+ void *ret;
+
+ printf("LoadSubModule '%s'\n", module);
+
+ if (module && strstr(module, "fglrxdrm"))
+ module = "/usr/lib/xorg/modules/linux/libfglrxdrm.so";
+ ret = dlopen(module, RTLD_LAZY | RTLD_GLOBAL);
+ if (ret == NULL)
+ fprintf(stderr, "LoadSubModule dlopen: %s\n", dlerror());
+
+ return ret;
+}
+
+void *
+LoaderSymbol(const char *name)
+{
+ void *ret = dlsym(NULL, name);
+ TRACE("'%s' %p\n", name, ret);
+ return ret;
+}
+
+Bool
+xf86LoaderCheckSymbol(const char *name)
+{
+ Bool ret;
+
+ ret = (dlsym(NULL, name) != NULL);
+ TRACE("'%s' %d\n", name, ret);
+ return ret;
+}
+
+int
+xf86MatchDevice(const char *drivername, GDevPtr **sectlist)
+{
+ GDevRec **list;
+
+ TRACE("'%s' %p\n", drivername, sectlist);
+
+ if (sectlist == NULL)
+ goto out;
+
+ *sectlist = NULL;
+ list = malloc(2 * sizeof(list[0]));
+ if (list == NULL)
+ return 0;
+ list[0] = &drec;
+ list[1] = NULL;
+ *sectlist = list;
+
+out:
+ return 1;
+}
+
+int
+xf86MatchPciInstances(const char *driverName, int vendorID,
+ SymTabPtr chipsets, PciChipsets *PCIchipsets,
+ GDevPtr *devList, int numDevs, DriverPtr drvp,
+ int **foundEntities)
+{
+ TRACE("'%s' %04x %p %p %p %d %p %p\n",
+ driverName, vendorID, chipsets, PCIchipsets, devList, numDevs,
+ drvp, foundEntities);
+
+ *foundEntities = malloc(sizeof(int));
+ if (*foundEntities == NULL)
+ return 0;
+
+ (*foundEntities)[0] = 0;
+ return 1;
+}
+
+GDevPtr
+xf86AddBusDeviceToConfigure(const char *driver, BusType bus, void *busData, int chipset)
+{
+ struct pci_device *pci = busData;
+
+ TRACE("'%s' %d %p %d\n", driver, bus, busData, chipset);
+
+ drec.driver = strdup(driver);
+ drec.identifier = strdup("fake_dev");
+ drec.busID = malloc(64);
+ snprintf(drec.busID, 64, "PCI:%d:%d:%d", pci->bus, pci->dev, pci->func);
+ drec.chipID = pci->device_id;
+ drec.chipRev = pci->revision;
+ drec.irq = -1;
+
+ drec.myScreenSection = calloc(1, sizeof(*drec.myScreenSection));
+
+ TRACE("ret busID '%s'\n", drec.busID);
+ return &drec;
+}
+
+Bool
+xf86CheckPciSlot(const struct pci_device *d)
+{
+ TRACE("%p\n", d);
+ return TRUE;
+}
+
+ScrnInfoPtr
+xf86ConfigPciEntity(ScrnInfoPtr pScrn, int scrnFlag, int entityIndex,
+ PciChipsets *p_chip, void *dummy, EntityProc init,
+ EntityProc enter, EntityProc leave, pointer private)
+{
+ ScrnInfoPtr screen;
+
+ TRACE("%p %x %d %p %p %p %p %p %p\n",
+ pScrn, scrnFlag, entityIndex, p_chip, dummy, init,
+ enter, leave, private);
+
+ screen = calloc(1, sizeof(*screen));
+ screen->entityList = calloc(1, sizeof(screen->entityList[0]));
+ screen->numEntities = 1;
+ // used by atiddxIsCrossDisplay_3
+ screen->confScreen = calloc(1, sizeof(*screen->confScreen));
+
+ xf86Screens = calloc(2, sizeof(xf86Screens[0]));
+ return (xf86Screens[0] = screen);
+}
+
+Bool
+xf86ComparePciBusString(const char *busID, int bus, int device, int func)
+{
+ TRACE("'%s' %d:%d:%d\n", busID, bus, device, func);
+ return TRUE;
+}
+
+static struct pci_device *cur_pci_dev;
+
+int
+xf86ClaimPciSlot(struct pci_device *d, DriverPtr drvp,
+ int chipset, GDevPtr dev, Bool active)
+{
+ TRACE("%p %p %d %p %d\n", d, drvp, chipset, dev, active);
+ cur_pci_dev = d;
+
+ return 0;
+}
+
+struct pci_device *
+xf86GetPciInfoForEntity(int entityIndex)
+{
+ TRACE("%d\n", entityIndex);
+
+ return cur_pci_dev;
+}
+
+EntityInfoPtr
+xf86GetEntityInfo(int entityIndex)
+{
+ EntityInfoRec *ret;
+
+ TRACE("%d\n", entityIndex);
+
+ ret = calloc(1, sizeof(*ret));
+ ret->device = &drec;
+ ret->location.id.pci = cur_pci_dev;
+
+ return ret;
+}
+
+static int numprivs;
+static DevUnion *privs;
+
+int
+xf86AllocateEntityPrivateIndex(void)
+{
+ int ret;
+
+ ret = numprivs++;
+ TRACE("numprivs=%d\n", numprivs);
+
+ privs = realloc(privs, numprivs * sizeof(DevUnion));
+ return ret;
+}
+
+DevUnion *
+xf86GetEntityPrivate(int entityIndex, int privIndex)
+{
+ DevUnion *ret = NULL;
+
+ if (entityIndex != 0 || (unsigned int)privIndex > (unsigned int)numprivs)
+ ret = NULL;
+ else
+ ret = &privs[privIndex];
+
+ TRACE("%d %d; ret=%p\n", entityIndex, privIndex, ret);
+ return ret;
+}
+
+void
+xf86SetEntitySharable(int entityIndex)
+{
+ TRACE("%d\n", entityIndex);
+}
+
+int
+xf86GetNumEntityInstances(int entityIndex)
+{
+ TRACE("%d\n", entityIndex);
+ return 1;
+}
+
+GDevPtr
+xf86GetDevFromEntity(int entityIndex, int instance)
+{
+ TRACE("%d %d\n", entityIndex, instance);
+ return &drec;
+}
+
+int
+xf86LoadKernelModule(const char *modName)
+{
+ TRACE("'%s'\n", modName);
+ return 1;
+}
+
+pointer
+XNFalloc(unsigned long n)
+{
+ return malloc(n);
+}
+
+pointer
+XNFcalloc(unsigned long n)
+{
+ return calloc(1, n);
+}
+
+void *
+XNFrealloc(void *ptr, unsigned long amount)
+{
+ return realloc(ptr, amount);
+}
+
+void
+xf86DrvMsg(int scrnIndex, MessageType type, const char *format, ...)
+{
+ va_list ap;
+
+ printf("xf86DrvMsg: ");
+ va_start(ap, format);
+ vprintf(format, ap);
+ va_end(ap);
+ fflush(stdout);
+}
+
+void
+xf86VDrvMsgVerb(int scrnIndex, MessageType type, int verb, const char *format,
+ va_list args)
+{
+ printf("xf86VDrvMsgVerb: ");
+ vprintf(format, args);
+ fflush(stdout);
+}
+
+void xf86Msg(MessageType type, const char *format, ...)
+{
+ va_list ap;
+
+ printf("xf86Msg: ");
+ va_start(ap, format);
+ vprintf(format, ap);
+ va_end(ap);
+ fflush(stdout);
+}
+
+void xf86MsgVerb(MessageType type, int verb, const char *format, ...)
+{
+ va_list ap;
+
+ printf("xf86MsgVerb: ");
+ va_start(ap, format);
+ vprintf(format, ap);
+ va_end(ap);
+ fflush(stdout);
+}
+
+CARD32
+GetTimeInMillis(void)
+{
+ struct timespec tp;
+ clock_gettime(CLOCK_MONOTONIC, &tp);
+ return tp.tv_sec * 1000 + tp.tv_nsec / 1000000;
+}
+
+Bool
+xf86GetOptValBool(const OptionInfoRec *table, int token, Bool *value)
+{
+ TRACE("%p/%s %d %p\n", table, table ? table->name : NULL, token, value);
+ return FALSE;
+}
+
+static DriverPtr g_driver;
+
+void
+xf86AddDriver(DriverPtr driver, pointer module, int flags)
+{
+ TRACE("%p %p %x\n", driver, module, flags);
+ g_driver = driver;
+}
+
+static void scan_pci(void)
+{
+ static struct pci_slot_match match = {
+ PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, 0
+ };
+ struct pci_device_iterator *iter;
+ struct pci_device *info;
+ int ret;
+
+ ret = pci_system_init();
+ if (ret != 0) {
+ fprintf(stderr, "pci_system_init failed\n");
+ return;
+ }
+
+ iter = pci_slot_match_iterator_create(&match);
+ while ((info = pci_device_next(iter)) != NULL) {
+ if ((info->device_class & 0xff0000) != 0x30000)
+ // not display
+ continue;
+
+ pci_device_probe(info);
+ if (pci_device_is_boot_vga(info))
+ break;
+ }
+ pci_iterator_destroy(iter);
+
+ if (info == NULL) {
+ fprintf(stderr, "no display devices?\n");
+ return;
+ }
+
+ if (info->vendor_id != 0x1002) {
+ fprintf(stderr, "not AMD display? (%04x)\n",
+ info->vendor_id);
+ return;
+ }
+
+ //exit(1);
+}
+
+static int module_desc[64];
+
+int main(int argc, char *argv[])
+{
+ XF86ModuleData *mod_data;
+ ScrnInfoPtr screen = NULL;
+ pthread_mutex_t mutex;
+ int errmaj = 0, errmin = 0;
+ int retval = 1;
+ void *setup_ret;
+ void *mod;
+ int fd, ret;
+
+ // init pthreads
+ pthread_mutex_init(&mutex, NULL);
+
+#if 0
+ // preload libpciaccess as it's not in fglrx's deps
+ mod = dlopen("libpciaccess.so", RTLD_LAZY | RTLD_GLOBAL);
+ if (mod == NULL)
+ fprintf(stderr, "preload pciaccess: %s\n", dlerror());
+#endif
+ // fglrx relies on pci_system_init() being called too
+ scan_pci();
+
+ mod = dlopen("/usr/lib/xorg/modules/drivers/fglrx_drv.so",
+ RTLD_LAZY | RTLD_GLOBAL);
+ if (mod == NULL) {
+ fprintf(stderr, "open module: %s\n", dlerror());
+ return 1;
+ }
+
+ mod_data = dlsym(mod, "fglrxModuleData");
+ if (mod_data == NULL) {
+ fprintf(stderr, "dlsym fglrxModuleData: %s\n", dlerror());
+ goto out;
+ }
+
+ if (mod_data->vers == NULL) {
+ fprintf(stderr, "mod_data->vers is NULL\n");
+ goto out;
+ }
+
+ printf("name: %s\n", mod_data->vers->modname);
+ printf("vendor: %s\n", mod_data->vers->vendor);
+ printf("abiclass: %s\n", mod_data->vers->abiclass);
+ printf("moduleclass: %s\n", mod_data->vers->moduleclass);
+ printf("version: %u.%u.%u\n", mod_data->vers->majorversion,
+ mod_data->vers->minorversion, mod_data->vers->patchlevel);
+ fflush(stdout);
+
+ // fglrx assumes descriptor 0 to be Xorg.log
+ fd = open("/var/log/Xorg.0.log", O_RDONLY);
+ if (fd == -1) {
+ perror("open Xorg.0.log");
+ goto out;
+ }
+ ret = dup2(fd, 0);
+ if (ret == -1) {
+ perror("dup2");
+ goto out;
+ }
+
+ if (mod_data->setup == NULL) {
+ fprintf(stderr, "mod_data->setup is NULL\n");
+ goto out;
+ }
+
+ setup_ret = mod_data->setup(module_desc, NULL, &errmaj, &errmin);
+ printf("setup: %p, errmaj %u, errmin %u\n", setup_ret, errmaj, errmin);
+ if (setup_ret == NULL) {
+ fprintf(stderr, "setup() returned NULL\n");
+ goto out;
+ }
+
+ if (g_driver == NULL) {
+ fprintf(stderr, "setup() did not provide driver ptr\n");
+ goto out;
+ }
+
+ printf("driverName: %s\n", g_driver->driverName);
+ if (g_driver->Probe == NULL) {
+ fprintf(stderr, "Probe is NULL\n");
+ goto out;
+ }
+
+ // #0 in xdl_xs111_atiddxPxEarlyCheck ()
+ // #1 in xdl_xs111_atiddxProbe ()
+ // #2 in atiddxProbe ()
+ ret = g_driver->Probe(g_driver, PROBE_DETECT);
+ printf("Probe(PROBE_DETECT): %d\n", ret);
+ if (!ret)
+ goto out;
+
+ ret = g_driver->Probe(g_driver, PROBE_DEFAULT);
+ printf("Probe(PROBE_DEFAULT): %d\n", ret);
+ if (!ret)
+ goto out;
+
+#if 0
+ if (xf86Screens == NULL || xf86Screens[0] == NULL) {
+ fprintf(stderr, "xf86Screens[0] did not get set\n");
+ goto out;
+ }
+ screen = xf86Screens[0];
+ if (screen->PreInit == NULL) {
+ fprintf(stderr, "screen->PreInit did not get set\n");
+ goto out;
+ }
+ ret = screen->PreInit(screen, 0);
+ printf("PreInit: %d\n", ret);
+#endif
+
+ retval = !ret;
+
+out:
+ (void)screen;
+ dlclose(mod);
+ return retval;
+}
notaz.gp2x.de / fireglload.git / commitdiff