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-rw-r--r--hw/kdrive/linux/linux.c481
1 files changed, 0 insertions, 481 deletions
diff --git a/hw/kdrive/linux/linux.c b/hw/kdrive/linux/linux.c
deleted file mode 100644
index 23ae50452..000000000
--- a/hw/kdrive/linux/linux.c
+++ /dev/null
@@ -1,481 +0,0 @@
-/*
- * $RCSId: xc/programs/Xserver/hw/kdrive/linux/linux.c,v 1.6 2001/07/24 21:26:17 keithp Exp $
- *
- * Copyright © 1999 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "kdrive.h"
-#include "klinux.h"
-#include <errno.h>
-#include <signal.h>
-#include <linux/vt.h>
-#include <linux/kd.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <X11/keysym.h>
-#include <linux/apm_bios.h>
-
-static int vtno;
-int LinuxConsoleFd;
-int LinuxApmFd = -1;
-static int activeVT;
-static Bool enabled;
-
-static void
-LinuxVTRequest (int sig)
-{
- kdSwitchPending = TRUE;
-}
-
-/* Check before chowning -- this avoids touching the file system */
-static void
-LinuxCheckChown (char *file)
-{
- struct stat st;
- __uid_t u;
- __gid_t g;
-
- if (stat (file, &st) < 0)
- return;
- u = getuid ();
- g = getgid ();
- if (st.st_uid != u || st.st_gid != g)
- chown (file, u, g);
-}
-
-static int
-LinuxInit (void)
-{
- int fd = -1;
- char vtname[11];
- struct vt_stat vts;
-
- LinuxConsoleFd = -1;
- /* check if we're run with euid==0 */
- if (geteuid() != 0)
- {
- FatalError("LinuxInit: Server must be suid root\n");
- }
-
- if (kdVirtualTerminal >= 0)
- vtno = kdVirtualTerminal;
- else
- {
- if ((fd = open("/dev/tty0",O_WRONLY,0)) < 0)
- {
- FatalError(
- "LinuxInit: Cannot open /dev/tty0 (%s)\n",
- strerror(errno));
- }
- if ((ioctl(fd, VT_OPENQRY, &vtno) < 0) ||
- (vtno == -1))
- {
- FatalError("xf86OpenConsole: Cannot find a free VT\n");
- }
- }
- close(fd);
-
- sprintf(vtname,"/dev/tty%d",vtno); /* /dev/tty1-64 */
-
- if ((LinuxConsoleFd = open(vtname, O_RDWR|O_NDELAY, 0)) < 0)
- {
- FatalError("LinuxInit: Cannot open %s (%s)\n",
- vtname, strerror(errno));
- }
-
- /* change ownership of the vt */
- LinuxCheckChown (vtname);
-
- /*
- * the current VT device we're running on is not "console", we want
- * to grab all consoles too
- *
- * Why is this needed?
- */
- LinuxCheckChown ("/dev/tty0");
- /*
- * Linux doesn't switch to an active vt after the last close of a vt,
- * so we do this ourselves by remembering which is active now.
- */
- memset (&vts, '\0', sizeof (vts)); /* valgrind */
- if (ioctl(LinuxConsoleFd, VT_GETSTATE, &vts) == 0)
- {
- activeVT = vts.v_active;
- }
-
- return 1;
-}
-
-Bool
-LinuxFindPci (CARD16 vendor, CARD16 device, CARD32 count, KdCardAttr *attr)
-{
- FILE *f;
- char line[2048], *l, *end;
- CARD32 bus, id, addr;
- int n;
- CARD32 ven_dev;
- Bool ret = FALSE;
- int i;
-
- attr->vendorID = vendor;
- attr->deviceID = device;
- ven_dev = (((CARD32) vendor) << 16) | ((CARD32) device);
- f = fopen ("/proc/bus/pci/devices", "r");
- if (!f)
- return FALSE;
- attr->io = 0;
- while (fgets (line, sizeof (line)-1, f))
- {
- line[sizeof(line)-1] = '\0';
- l = line;
- bus = strtoul (l, &end, 16);
- if (end == l)
- continue;
- l = end;
- id = strtoul (l, &end, 16);
- if (end == l)
- continue;
- l = end;
- if (id != ven_dev)
- continue;
- if (count--)
- continue;
- (void) strtoul (l, &end, 16); /* IRQ */
- if (end == l)
- continue;
- l = end;
- n = 0;
- for (i = 0; i < 6; i++)
- {
- addr = strtoul (l, &end, 16);
- if (end == l)
- break;
- if (addr & 1)
- attr->io = addr & ~0xf;
- else
- {
- if (n == KD_MAX_CARD_ADDRESS)
- break;
- attr->address[n++] = addr & ~0xf;
- }
- l = end;
- }
- while (n > 0)
- {
- if (attr->address[n-1] != 0)
- break;
- n--;
- }
- attr->naddr = n;
- attr->domain = 0; /* XXX */
- attr->bus = (bus >> 8) & 0xff;
- attr->slot = (bus >> 3) & 0x1f;
- attr->func = bus & 0x07;
- ret = TRUE;
- break;
- }
- fclose (f);
- return ret;
-}
-
-unsigned char *
-LinuxGetPciCfg(KdCardAttr *attr)
-{
- char filename[256];
- FILE *f;
- unsigned char *cfg;
- int r;
-
- snprintf(filename, 255, "/proc/bus/pci/%02x/%02x.%x",
- attr->bus >> 8, (attr->bus & 0xff) >> 3, attr->bus & 7);
-/* fprintf(stderr,"Find card on path %s\n",filename); */
-
- if (!(f=fopen(filename,"r")))
- return NULL;
-
- if (!(cfg=xalloc(256)))
- {
- fclose(f);
- return NULL;
- }
-
- if (256 != (r=fread(cfg, 1, 256, f)))
- {
- fprintf(stderr,"LinuxGetPciCfg: read %d, expected 256\n",r);
- free(cfg);
- cfg=NULL;
- }
- fclose(f);
-/* fprintf(stderr,"LinuxGetPciCfg: success, returning %p\n",cfg); */
- return cfg;
-}
-
-static void
-LinuxSetSwitchMode (int mode)
-{
- struct sigaction act;
- struct vt_mode VT;
-
- if (ioctl(LinuxConsoleFd, VT_GETMODE, &VT) < 0)
- {
- FatalError ("LinuxInit: VT_GETMODE failed\n");
- }
-
- if (mode == VT_PROCESS)
- {
- act.sa_handler = LinuxVTRequest;
- sigemptyset (&act.sa_mask);
- act.sa_flags = 0;
- sigaction (SIGUSR1, &act, 0);
-
- VT.mode = mode;
- VT.relsig = SIGUSR1;
- VT.acqsig = SIGUSR1;
- }
- else
- {
- act.sa_handler = SIG_IGN;
- sigemptyset (&act.sa_mask);
- act.sa_flags = 0;
- sigaction (SIGUSR1, &act, 0);
-
- VT.mode = mode;
- VT.relsig = 0;
- VT.acqsig = 0;
- }
- if (ioctl(LinuxConsoleFd, VT_SETMODE, &VT) < 0)
- {
- FatalError("LinuxInit: VT_SETMODE failed\n");
- }
-}
-
-static void
-LinuxApmBlock (pointer blockData, OSTimePtr pTimeout, pointer pReadmask)
-{
-}
-
-static Bool LinuxApmRunning;
-
-static void
-LinuxApmWakeup (pointer blockData, int result, pointer pReadmask)
-{
- fd_set *readmask = (fd_set *) pReadmask;
-
- if (result > 0 && LinuxApmFd >= 0 && FD_ISSET (LinuxApmFd, readmask))
- {
- apm_event_t event;
- Bool running = LinuxApmRunning;
- int cmd = APM_IOC_SUSPEND;
-
- while (read (LinuxApmFd, &event, sizeof (event)) == sizeof (event))
- {
- switch (event) {
- case APM_SYS_STANDBY:
- case APM_USER_STANDBY:
- running = FALSE;
- cmd = APM_IOC_STANDBY;
- break;
- case APM_SYS_SUSPEND:
- case APM_USER_SUSPEND:
- case APM_CRITICAL_SUSPEND:
- running = FALSE;
- cmd = APM_IOC_SUSPEND;
- break;
- case APM_NORMAL_RESUME:
- case APM_CRITICAL_RESUME:
- case APM_STANDBY_RESUME:
- running = TRUE;
- break;
- }
- }
- if (running && !LinuxApmRunning)
- {
- KdResume ();
- LinuxApmRunning = TRUE;
- }
- else if (!running && LinuxApmRunning)
- {
- KdSuspend ();
- LinuxApmRunning = FALSE;
- ioctl (LinuxApmFd, cmd, 0);
- }
- }
-}
-
-#ifdef FNONBLOCK
-#define NOBLOCK FNONBLOCK
-#else
-#define NOBLOCK FNDELAY
-#endif
-
-static void
-LinuxEnable (void)
-{
- if (enabled)
- return;
- if (kdSwitchPending)
- {
- kdSwitchPending = FALSE;
- ioctl (LinuxConsoleFd, VT_RELDISP, VT_ACKACQ);
- }
- /*
- * Open the APM driver
- */
- LinuxApmFd = open ("/dev/apm_bios", 2);
- if (LinuxApmFd < 0 && errno == ENOENT)
- LinuxApmFd = open ("/dev/misc/apm_bios", 2);
- if (LinuxApmFd >= 0)
- {
- LinuxApmRunning = TRUE;
- fcntl (LinuxApmFd, F_SETFL, fcntl (LinuxApmFd, F_GETFL) | NOBLOCK);
- RegisterBlockAndWakeupHandlers (LinuxApmBlock, LinuxApmWakeup, 0);
- AddEnabledDevice (LinuxApmFd);
- }
-
- /*
- * now get the VT
- */
- LinuxSetSwitchMode (VT_AUTO);
- if (ioctl(LinuxConsoleFd, VT_ACTIVATE, vtno) != 0)
- {
- FatalError("LinuxInit: VT_ACTIVATE failed\n");
- }
- if (ioctl(LinuxConsoleFd, VT_WAITACTIVE, vtno) != 0)
- {
- FatalError("LinuxInit: VT_WAITACTIVE failed\n");
- }
- LinuxSetSwitchMode (VT_PROCESS);
- if (ioctl(LinuxConsoleFd, KDSETMODE, KD_GRAPHICS) < 0)
- {
- FatalError("LinuxInit: KDSETMODE KD_GRAPHICS failed\n");
- }
- enabled = TRUE;
-}
-
-static Bool
-LinuxSpecialKey (KeySym sym)
-{
- struct vt_stat vts;
- int con;
-
- if (XK_F1 <= sym && sym <= XK_F12)
- {
- con = sym - XK_F1 + 1;
- memset (&vts, '\0', sizeof (vts)); /* valgrind */
- ioctl (LinuxConsoleFd, VT_GETSTATE, &vts);
- if (con != vts.v_active && (vts.v_state & (1 << con)))
- {
- ioctl (LinuxConsoleFd, VT_ACTIVATE, con);
- return TRUE;
- }
- }
- return FALSE;
-}
-
-static void
-LinuxDisable (void)
-{
- ioctl(LinuxConsoleFd, KDSETMODE, KD_TEXT); /* Back to text mode ... */
- if (kdSwitchPending)
- {
- kdSwitchPending = FALSE;
- ioctl (LinuxConsoleFd, VT_RELDISP, 1);
- }
- enabled = FALSE;
- if (LinuxApmFd >= 0)
- {
- RemoveBlockAndWakeupHandlers (LinuxApmBlock, LinuxApmWakeup, 0);
- RemoveEnabledDevice (LinuxApmFd);
- close (LinuxApmFd);
- LinuxApmFd = -1;
- }
-}
-
-static void
-LinuxFini (void)
-{
- struct vt_mode VT;
- struct vt_stat vts;
- int fd;
-
- if (LinuxConsoleFd < 0)
- return;
-
- if (ioctl(LinuxConsoleFd, VT_GETMODE, &VT) != -1)
- {
- VT.mode = VT_AUTO;
- ioctl(LinuxConsoleFd, VT_SETMODE, &VT); /* set dflt vt handling */
- }
- memset (&vts, '\0', sizeof (vts)); /* valgrind */
- ioctl (LinuxConsoleFd, VT_GETSTATE, &vts);
- /*
- * Find a legal VT to switch to, either the one we started from
- * or the lowest active one that isn't ours
- */
- if (activeVT < 0 ||
- activeVT == vts.v_active ||
- !(vts.v_state & (1 << activeVT)))
- {
- for (activeVT = 1; activeVT < 16; activeVT++)
- if (activeVT != vtno && (vts.v_state & (1 << activeVT)))
- break;
- if (activeVT == 16)
- activeVT = -1;
- }
- /*
- * Perform a switch back to the active VT when we were started
- */
- if (activeVT >= -1)
- {
- ioctl (LinuxConsoleFd, VT_ACTIVATE, activeVT);
- ioctl (LinuxConsoleFd, VT_WAITACTIVE, activeVT);
- activeVT = -1;
- }
- close(LinuxConsoleFd); /* make the vt-manager happy */
- fd = open ("/dev/tty0", O_RDWR|O_NDELAY, 0);
- if (fd >= 0)
- {
- memset (&vts, '\0', sizeof (vts)); /* valgrind */
- ioctl (fd, VT_GETSTATE, &vts);
- if (ioctl (fd, VT_DISALLOCATE, vtno) < 0)
- fprintf (stderr, "Can't deallocate console %d errno %d\n", vtno, errno);
- close (fd);
- }
- return;
-}
-
-KdOsFuncs LinuxFuncs = {
- LinuxInit,
- LinuxEnable,
- LinuxSpecialKey,
- LinuxDisable,
- LinuxFini,
- 0
-};
-
-void
-OsVendorInit (void)
-{
- KdOsInit (&LinuxFuncs);
-}
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