From 4c7931544ea3313ac3c0a33d4a765516c80dbc19 Mon Sep 17 00:00:00 2001 From: notaz Date: Sun, 4 May 2014 17:06:20 +0300 Subject: [PATCH 1/1] Initial commit --- .gitignore | 2 + COPYING | 24 ++ Makefile | 24 ++ README | 9 + ddmg.c | 1 + main.c | 636 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 6 files changed, 696 insertions(+) create mode 100644 .gitignore create mode 100644 COPYING create mode 100644 Makefile create mode 100644 README create mode 100644 ddmg.c create mode 100644 main.c diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..b3218fe --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +fglrx_loader +*.o diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..d44538c --- /dev/null +++ b/COPYING @@ -0,0 +1,24 @@ + + Copyright (c) 2014, notaz + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + * Neither the name of the organization nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..bf391bb --- /dev/null +++ b/Makefile @@ -0,0 +1,24 @@ +CFLAGS += -Wall -ggdb +#CFLAGS += -fvisibility=hidden +# magically makes exporting symbols with visibility("default") work.. +CFLAGS += -fPIC +CFLAGS += -O2 +LDLIBS += -ldl -lpciaccess -lrt +LDLIBS += -lpthread + +# xorg header dep +CFLAGS += `pkg-config --cflags pixman-1` + + +TARGET = fglrx_loader +OBJS = main.o ddmg.o + +all: $(TARGET) + +$(TARGET): $(OBJS) + $(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) $(LDLIBS) + +run: $(TARGET) + ./$(TARGET) +clean: + $(RM) $(TARGET) $(OBJS) diff --git a/README b/README new file mode 100644 index 0000000..2299ea1 --- /dev/null +++ b/README @@ -0,0 +1,9 @@ +This is a tool for loading fglrx/Catalyst Xorg driver and initializing it. +The goal of it is to get the driver to init hardware power saving without +having to actually start the X server. This is useful for some AMD hardware +like evergreen that starts without power saving enabled (and even runs at +highest clocks) after reset and uses maximum fan speeds until the driver +starts, configures things, uploads ucode and does whatever else it has to do. + +These days it's most likely better to just use the radeon driver, but I +still keep fglrx on my machine for somewhat better performance. diff --git a/ddmg.c b/ddmg.c new file mode 100644 index 0000000..a9a7288 --- /dev/null +++ b/ddmg.c @@ -0,0 +1 @@ +void ddmg(void *g) {} diff --git a/main.c b/main.c new file mode 100644 index 0000000..76296b4 --- /dev/null +++ b/main.c @@ -0,0 +1,636 @@ +/* + * 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 +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include +#include + +#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; +} -- 2.39.2