Add a little program to dump out the first 64 dwords of the status page.
This commit is contained in:
Eric Anholt
parent
432d07fb17
commit
cc98d41df6
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@ -491,6 +491,7 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* - new bits for i810
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* - new register hwstam (mask)
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*/
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#define HWS_PGA 0x2080
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#define PWRCTXA 0x2088 /* 965GM+ only */
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#define PWRCTX_EN (1<<0)
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#define HWSTAM 0x2098 /* p290 */
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@ -1,4 +1,4 @@
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noinst_PROGRAMS = intel_reg_dumper intel_idle intel_stepping
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noinst_PROGRAMS = intel_reg_dumper intel_idle intel_stepping intel_statuspage
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intel_reg_dumper_SOURCES = \
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main.c \
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@ -15,9 +15,15 @@ intel_idle_SOURCES = \
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intel_stepping_SOURCES = \
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stepping.c
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intel_statuspage_SOURCES = \
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statuspage.c \
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reg_dumper.h \
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util.c
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intel_reg_dumper_LDADD = $(PCIACCESS_LIBS)
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intel_idle_LDADD = $(PCIACCESS_LIBS)
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intel_stepping_LDADD = $(PCIACCESS_LIBS)
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intel_statuspage_LDADD = $(PCIACCESS_LIBS)
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AM_CFLAGS = $(PCIACCESS_CFLAGS) $(WARN_CFLAGS) \
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-I$(srcdir)/.. -DREG_DUMPER
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@ -88,3 +88,4 @@ typedef struct _scrn {
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char *XNFprintf(const char *format, ...);
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void xf86DrvMsg(int scrnIndex, int severity, const char *format, ...);
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void i830DumpRegs(ScrnInfoPtr pScrn);
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void intel_i830rec_init(I830Ptr pI830);
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@ -0,0 +1,81 @@
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/*
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* Copyright © 2007 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <pciaccess.h>
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#include <err.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include "reg_dumper.h"
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#include "../i810_reg.h"
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int main(int argc, char **argv)
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{
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I830Rec i830;
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I830Ptr pI830 = &i830;
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int devmem;
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uint32_t hws_offset;
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volatile uint32_t *hws;
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intel_i830rec_init(pI830);
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if (HWS_NEED_GFX(pI830))
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errx(1, "status page in graphics virtual unsupported.\n");
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hws_offset = INREG(HWS_PGA);
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devmem = open("/dev/mem", O_RDWR, 0);
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if (devmem == -1)
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err(1, "Couldn't open /dev/mem");
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hws = mmap(NULL, 4096, PROT_READ, MAP_SHARED, devmem, hws_offset);
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if (hws == MAP_FAILED)
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err(1, "Couldn't map /dev/mem at 0x%08x", hws_offset);
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close(devmem);
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for (;;) {
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int i;
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printf("\n");
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for (i = 0; i < 64; i += 4) {
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printf("0x%04x: 0x%08x 0x%08x 0x%08x 0x%08x\n", i * 4,
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hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
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}
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sleep(1);
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}
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return 0;
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}
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@ -0,0 +1,86 @@
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/*
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* Copyright © 2008 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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*
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*/
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/** @file util.c
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*
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* Utility functions for the various tools in the reg_dumper directory.
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*/
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#include <err.h>
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#include <pciaccess.h>
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#include "reg_dumper.h"
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/**
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* Sets up the pI830 for use by common.h-style macros, particularly
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* INREG/OUTERG.
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*/
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void intel_i830rec_init(I830Ptr pI830)
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{
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struct pci_device *dev;
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int err, mmio_bar;
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void *mmio;
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err = pci_system_init();
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if (err != 0) {
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fprintf(stderr, "Couldn't initialize PCI system: %s\n", strerror(err));
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exit(1);
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}
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/* Grab the graphics card */
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dev = pci_device_find_by_slot(0, 0, 2, 0);
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if (dev == NULL)
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errx(1, "Couldn't find graphics card");
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err = pci_device_probe(dev);
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if (err != 0) {
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fprintf(stderr, "Couldn't probe graphics card: %s\n", strerror(err));
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exit(1);
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}
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if (dev->vendor_id != 0x8086)
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errx(1, "Graphics card is non-intel");
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pI830->PciInfo = &pI830->pci_info_rec;
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pI830->PciInfo->chipType = dev->device_id;
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pI830->pci_dev = dev;
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mmio_bar = IS_I9XX(pI830) ? 0 : 1;
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err = pci_device_map_range (dev,
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dev->regions[mmio_bar].base_addr,
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dev->regions[mmio_bar].size,
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PCI_DEV_MAP_FLAG_WRITABLE,
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&mmio);
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if (err != 0) {
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fprintf(stderr, "Couldn't map MMIO region: %s\n", strerror(err));
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exit(1);
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}
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pI830->mmio = mmio;
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}
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