2008-02-02 Marco Gerards <marco@gnu.org>

* bus/pci.c: New file. * include/grub/pci.h: Likewise. * include/grub/i386/pc/pci.h: Likewise. * commands/lspci.c: Likewise. * conf/i386-pc.rmk (pkglib_MODULES): Add `pci.mod' and `lspci.mod'. (pci_mod_SOURCES): New variable. (pci_mod_CFLAGS): Likewise. (pci_mod_LDFLAGS): Likewise. (lspci_mod_SOURCES): Likewise. (lspci_mod_CFLAGS): Likewise. (lspci_mod_LDFLAGS): Likewise.
2008-02-02 15:33:05 +00:00 · 2008-02-02 15:33:05 +00:00 · 58c6922006
commit 58c6922006
parent c004e1b477
7 changed files with 426 additions and 2 deletions
--- a/19
+++ b/19
@ -1,3 +1,22 @@
+2008-02-02  Marco Gerards  <marco@gnu.org>
+
+	* bus/pci.c: New file.
+
+	* include/grub/pci.h: Likewise.
+
+	* include/grub/i386/pc/pci.h: Likewise.
+
+	* commands/lspci.c: Likewise.
+
+	* conf/i386-pc.rmk (pkglib_MODULES): Add `pci.mod' and
+	`lspci.mod'.
+	(pci_mod_SOURCES): New variable.
+	(pci_mod_CFLAGS): Likewise.
+	(pci_mod_LDFLAGS): Likewise.
+	(lspci_mod_SOURCES): Likewise.
+	(lspci_mod_CFLAGS): Likewise.
+	(lspci_mod_LDFLAGS): Likewise.	
+
 2008-02-02  Bean  <bean123ch@gmail.com>

 	* fs/ufs.c (INODE_BLKSZ): Fix incorrect value.
--- a/bus/pci.c
+++ b/bus/pci.c
@ -0,0 +1,56 @@
+/* pci.c - Generic PCI interfaces.  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2007  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/dl.h>
+#include <grub/pci.h>
+
+grub_pci_address_t
+grub_pci_make_address (int bus, int device, int function, int reg)
+{
+  return (1 << 31) | (bus << 16) | (device << 11) | (function << 8) | (reg << 2);
+}
+
+void
+grub_pci_iterate (grub_pci_iteratefunc_t hook)
+{
+  int bus;
+  int dev;
+  int func;
+  grub_pci_address_t addr;
+  grub_pci_id_t id;
+
+  for (bus = 0; bus < 256; bus++)
+    {
+      for (dev = 0; dev < 32; dev++)
+	{
+	  for (func = 0; func < 3; func++)
+	    {
+	      addr = grub_pci_make_address (bus, dev, func, 0);
+	      id = grub_pci_read (addr);
+
+	      /* Check if there is a device present.  */
+	      if (id >> 16 == 0xFFFF)
+		continue;
+
+	      if (hook (bus, dev, func, id))
+		return;
+	    }
+	}
+    }
+}
--- a/commands/lspci.c
+++ b/commands/lspci.c
@ -0,0 +1,163 @@
+/* lspci.c - List PCI devices.  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2008  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/pci.h>
+#include <grub/dl.h>
+#include <grub/normal.h>
+#include <grub/misc.h>
+
+struct grub_pci_classname
+{
+  int class;
+  int subclass;
+  char *desc;
+};
+
+static const struct grub_pci_classname grub_pci_classes[] =
+  {
+    { 0, 0, "" },
+    { 1, 0, "SCSCI Controller" },
+    { 1, 1, "IDE Controller" },
+    { 1, 2, "Floppy Controller" },
+    { 1, 3, "IPI Controller" },
+    { 1, 4, "RAID Controller" },
+    { 1, 0x80, "Mass storage Controller" },
+    { 2, 0, "Ethernet Controller" },
+    { 2, 1, "Token Ring Controller" },
+    { 2, 2, "FDDI Controller" },
+    { 2, 3, "ATM Controller" },
+    { 2, 4, "ISDN Controller" },
+    { 2, 0x80, "Network controller" },
+    { 3, 0, "VGA Controller" },
+    { 3, 1, "XGA Controller" },
+    { 3, 2, "3D Controller" },
+    { 3, 0x80, "Display Controller" },
+    { 4, 0, "Multimedia Video Device" },
+    { 4, 1, "Multimedia Audio Device" },
+    { 4, 2, "Multimedia Telephony Device" },
+    { 4, 0x80, "Multimedia device" },
+    { 5, 0, "RAM Controller" },
+    { 5, 1, "Flash Memory Controller" },
+    { 5, 0x80, "Memory Controller" },
+    { 6, 0, "Host Bridge" },
+    { 6, 1, "ISA Bridge" },
+    { 6, 2, "EISA Bride" },
+    { 6, 3, "MCA Bridge" },
+    { 6, 4, "PCI-PCI Bridge" },
+    { 6, 5, "PCMCIA Bridge" },
+    { 6, 6, "NuBus Bridge" },
+    { 6, 7, "CardBus Bridge" },
+    { 6, 8, "Raceway Bridge" },
+    { 6, 0x80, "Unknown Bridge" },
+    { 7, 0x80, "Communication controller" },
+    { 8, 0x80, "System hardware" },
+    { 9, 0, "Keyboard Controller" },
+    { 9, 1, "Digitizer" },
+    { 9, 2, "Mouse Controller" },
+    { 9, 3, "Scanner Controller" },
+    { 9, 4, "Gameport Controller" },
+    { 9, 0x80, "Unknown Input Device" },
+    { 10, 0, "Generic Docking Station" },
+    { 10, 0x80, "Unkown Docking Station" },
+    { 11, 0, "80386 Processor" },
+    { 11, 1, "80486 Processor" },
+    { 11, 2, "Pentium Processor" },
+    { 11, 0x10, "Alpha Processor" },
+    { 11, 0x20, "PowerPC Processor" },
+    { 11, 0x30, "MIPS Processor" },
+    { 11, 0x40, "Co-Processor" },
+    { 11, 0x80, "Unkown Processor" },
+    { 12, 0x80, "Serial Bus Controller" },
+    { 13, 0x80, "Wireless Controller" },
+    { 14, 0, "I2O" },
+    { 15, 0, "iRDA Controller" },
+    { 15, 1, "Consumer IR" },
+    { 15, 0x10, "RF-Controller" },
+    { 15, 0x80, "Satellite Communication Controller" },
+    { 16, 0, "Network Decryption" },
+    { 16, 1, "Entertainment Decryption" },
+    { 16, 0x80, "Unkown Decryption Controller" },
+    { 17, 0, "Digital IO Module" },
+    { 17, 0x80, "Unkown Data Input System" },
+    { 0, 0, 0 },
+  };
+
+static const char *
+grub_pci_get_class (int class, int subclass)
+{
+  const struct grub_pci_classname *curr = grub_pci_classes;
+
+  while (curr->desc)
+    {
+      if (curr->class == class && curr->subclass == subclass)
+	return curr->desc;
+      curr++;
+    }
+
+  return 0;
+}
+
+static int
+grub_lspci_iter (int bus, int dev, int func, grub_pci_id_t pciid)
+{
+  grub_uint32_t class;
+  const char *sclass;
+  grub_pci_address_t addr;
+
+  grub_printf ("%02x:%02x.%x %04x:%04x.%d", 0, dev, func, pciid >> 16, pciid & 0xFFFF, func);
+  addr = grub_pci_make_address (bus, dev, func, 2);
+  class = grub_pci_read (addr);
+	  
+  /* Lookup the class name, if there isn't a specific one,
+     retry with 0x80 to get the generic class name.  */
+  sclass = grub_pci_get_class (class >> 24, (class >> 16) & 0xFF);
+  if (! sclass)
+    sclass = grub_pci_get_class (class >> 24, 0x80);
+  if (! sclass)
+    sclass = "";
+
+  grub_printf (" %s\n", sclass);
+
+  return 0;
+}
+
+static grub_err_t
+grub_cmd_lspci (struct grub_arg_list *state __attribute__ ((unused)),
+		int argc __attribute__ ((unused)),
+		char **args __attribute__ ((unused)))
+{
+  grub_pci_iterate (grub_lspci_iter);
+  return GRUB_ERR_NONE;
+}
+
+
+
+
+GRUB_MOD_INIT(pci)
+{
+  (void) mod;			/* To stop warning. */
+  grub_register_command ("lspci", grub_cmd_lspci, GRUB_COMMAND_FLAG_BOTH,
+			 "lspci", "List PCI devices", 0);
+}
+
+
+GRUB_MOD_FINI(pci)
+{
+  grub_unregister_command ("lspci");
+}
--- a/conf/i386-pc.mk
+++ b/conf/i386-pc.mk
@ -793,7 +793,7 @@ pkglib_MODULES = biosdisk.mod _chain.mod _linux.mod linux.mod normal.mod \
 	_multiboot.mod chain.mod multiboot.mod reboot.mod halt.mod	\
 	vbe.mod vbetest.mod vbeinfo.mod video.mod gfxterm.mod \
 	videotest.mod play.mod bitmap.mod tga.mod cpuid.mod serial.mod	\
-	ata.mod vga.mod memdisk.mod jpeg.mod png.mod
+	ata.mod vga.mod memdisk.mod jpeg.mod png.mod pci.mod lspci.mod

 # For biosdisk.mod.
 biosdisk_mod_SOURCES = disk/i386/pc/biosdisk.c
@ -2457,4 +2457,108 @@ fs-png_mod-video_readers_png.lst: video/readers/png.c $(video/readers/png.c_DEPE
 png_mod_CFLAGS = $(COMMON_CFLAGS)
 png_mod_LDFLAGS = $(COMMON_LDFLAGS)

+# For pci.mod
+pci_mod_SOURCES = bus/pci.c
+CLEANFILES += pci.mod mod-pci.o mod-pci.c pre-pci.o pci_mod-bus_pci.o und-pci.lst
+ifneq ($(pci_mod_EXPORTS),no)
+CLEANFILES += def-pci.lst
+DEFSYMFILES += def-pci.lst
+endif
+MOSTLYCLEANFILES += pci_mod-bus_pci.d
+UNDSYMFILES += und-pci.lst
+
+pci.mod: pre-pci.o mod-pci.o
+	-rm -f $@
+	$(TARGET_CC) $(pci_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ $^
+	$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -R .note -R .comment $@
+
+pre-pci.o: $(pci_mod_DEPENDENCIES) pci_mod-bus_pci.o
+	-rm -f $@
+	$(TARGET_CC) $(pci_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ pci_mod-bus_pci.o
+
+mod-pci.o: mod-pci.c
+	$(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(pci_mod_CFLAGS) -c -o $@ $<
+
+mod-pci.c: moddep.lst genmodsrc.sh
+	sh $(srcdir)/genmodsrc.sh 'pci' $< > $@ || (rm -f $@; exit 1)
+
+ifneq ($(pci_mod_EXPORTS),no)
+def-pci.lst: pre-pci.o
+	$(NM) -g --defined-only -P -p $< | sed 's/^\([^ ]*\).*/\1 pci/' > $@
+endif
+
+und-pci.lst: pre-pci.o
+	echo 'pci' > $@
+	$(NM) -u -P -p $< | cut -f1 -d' ' >> $@
+
+pci_mod-bus_pci.o: bus/pci.c $(bus/pci.c_DEPENDENCIES)
+	$(TARGET_CC) -Ibus -I$(srcdir)/bus $(TARGET_CPPFLAGS)  $(TARGET_CFLAGS) $(pci_mod_CFLAGS) -MD -c -o $@ $<
+-include pci_mod-bus_pci.d
+
+CLEANFILES += cmd-pci_mod-bus_pci.lst fs-pci_mod-bus_pci.lst
+COMMANDFILES += cmd-pci_mod-bus_pci.lst
+FSFILES += fs-pci_mod-bus_pci.lst
+
+cmd-pci_mod-bus_pci.lst: bus/pci.c $(bus/pci.c_DEPENDENCIES) gencmdlist.sh
+	set -e; 	  $(TARGET_CC) -Ibus -I$(srcdir)/bus $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(pci_mod_CFLAGS) -E $< 	  | sh $(srcdir)/gencmdlist.sh pci > $@ || (rm -f $@; exit 1)
+
+fs-pci_mod-bus_pci.lst: bus/pci.c $(bus/pci.c_DEPENDENCIES) genfslist.sh
+	set -e; 	  $(TARGET_CC) -Ibus -I$(srcdir)/bus $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(pci_mod_CFLAGS) -E $< 	  | sh $(srcdir)/genfslist.sh pci > $@ || (rm -f $@; exit 1)
+
+
+pci_mod_CFLAGS = $(COMMON_CFLAGS)
+pci_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
+# For lspci.mod
+lspci_mod_SOURCES = commands/lspci.c
+CLEANFILES += lspci.mod mod-lspci.o mod-lspci.c pre-lspci.o lspci_mod-commands_lspci.o und-lspci.lst
+ifneq ($(lspci_mod_EXPORTS),no)
+CLEANFILES += def-lspci.lst
+DEFSYMFILES += def-lspci.lst
+endif
+MOSTLYCLEANFILES += lspci_mod-commands_lspci.d
+UNDSYMFILES += und-lspci.lst
+
+lspci.mod: pre-lspci.o mod-lspci.o
+	-rm -f $@
+	$(TARGET_CC) $(lspci_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ $^
+	$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -R .note -R .comment $@
+
+pre-lspci.o: $(lspci_mod_DEPENDENCIES) lspci_mod-commands_lspci.o
+	-rm -f $@
+	$(TARGET_CC) $(lspci_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ lspci_mod-commands_lspci.o
+
+mod-lspci.o: mod-lspci.c
+	$(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(lspci_mod_CFLAGS) -c -o $@ $<
+
+mod-lspci.c: moddep.lst genmodsrc.sh
+	sh $(srcdir)/genmodsrc.sh 'lspci' $< > $@ || (rm -f $@; exit 1)
+
+ifneq ($(lspci_mod_EXPORTS),no)
+def-lspci.lst: pre-lspci.o
+	$(NM) -g --defined-only -P -p $< | sed 's/^\([^ ]*\).*/\1 lspci/' > $@
+endif
+
+und-lspci.lst: pre-lspci.o
+	echo 'lspci' > $@
+	$(NM) -u -P -p $< | cut -f1 -d' ' >> $@
+
+lspci_mod-commands_lspci.o: commands/lspci.c $(commands/lspci.c_DEPENDENCIES)
+	$(TARGET_CC) -Icommands -I$(srcdir)/commands $(TARGET_CPPFLAGS)  $(TARGET_CFLAGS) $(lspci_mod_CFLAGS) -MD -c -o $@ $<
+-include lspci_mod-commands_lspci.d
+
+CLEANFILES += cmd-lspci_mod-commands_lspci.lst fs-lspci_mod-commands_lspci.lst
+COMMANDFILES += cmd-lspci_mod-commands_lspci.lst
+FSFILES += fs-lspci_mod-commands_lspci.lst
+
+cmd-lspci_mod-commands_lspci.lst: commands/lspci.c $(commands/lspci.c_DEPENDENCIES) gencmdlist.sh
+	set -e; 	  $(TARGET_CC) -Icommands -I$(srcdir)/commands $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(lspci_mod_CFLAGS) -E $< 	  | sh $(srcdir)/gencmdlist.sh lspci > $@ || (rm -f $@; exit 1)
+
+fs-lspci_mod-commands_lspci.lst: commands/lspci.c $(commands/lspci.c_DEPENDENCIES) genfslist.sh
+	set -e; 	  $(TARGET_CC) -Icommands -I$(srcdir)/commands $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(lspci_mod_CFLAGS) -E $< 	  | sh $(srcdir)/genfslist.sh lspci > $@ || (rm -f $@; exit 1)
+
+
+lspci_mod_CFLAGS = $(COMMON_CFLAGS)
+lspci_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
 include $(srcdir)/conf/common.mk
--- a/conf/i386-pc.rmk
+++ b/conf/i386-pc.rmk
@ -140,7 +140,7 @@ pkglib_MODULES = biosdisk.mod _chain.mod _linux.mod linux.mod normal.mod \
 	_multiboot.mod chain.mod multiboot.mod reboot.mod halt.mod	\
 	vbe.mod vbetest.mod vbeinfo.mod video.mod gfxterm.mod \
 	videotest.mod play.mod bitmap.mod tga.mod cpuid.mod serial.mod	\
-	ata.mod vga.mod memdisk.mod jpeg.mod png.mod
+	ata.mod vga.mod memdisk.mod jpeg.mod png.mod pci.mod lspci.mod

 # For biosdisk.mod.
 biosdisk_mod_SOURCES = disk/i386/pc/biosdisk.c
@ -282,4 +282,14 @@ png_mod_SOURCES = video/readers/png.c
 png_mod_CFLAGS = $(COMMON_CFLAGS)
 png_mod_LDFLAGS = $(COMMON_LDFLAGS)

+# For pci.mod
+pci_mod_SOURCES = bus/pci.c
+pci_mod_CFLAGS = $(COMMON_CFLAGS)
+pci_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
+# For lspci.mod
+lspci_mod_SOURCES = commands/lspci.c
+lspci_mod_CFLAGS = $(COMMON_CFLAGS)
+lspci_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
 include $(srcdir)/conf/common.mk
--- a/include/grub/i386/pc/pci.h
+++ b/include/grub/i386/pc/pci.h
@ -0,0 +1,35 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2008  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef	GRUB_CPU_PCI_H
+#define	GRUB_CPU_PCI_H	1
+
+#include <grub/types.h>
+#include <grub/i386/io.h>
+
+#define GRUB_PCI_ADDR_REG	0xcf8
+#define GRUB_PCI_DATA_REG	0xcfc
+
+static inline grub_uint32_t
+grub_pci_read (grub_pci_address_t addr)
+{
+  grub_outl (addr, GRUB_PCI_ADDR_REG);
+  return grub_inl (GRUB_PCI_DATA_REG);
+}
+
+#endif /* GRUB_CPU_PCI_H */
--- a/include/grub/pci.h
+++ b/include/grub/pci.h
@ -0,0 +1,37 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2008  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef	GRUB_PCI_H
+#define	GRUB_PCI_H	1
+
+#include <grub/types.h>
+#include <grub/symbol.h>
+
+typedef grub_uint32_t grub_pci_id_t;
+typedef int (*grub_pci_iteratefunc_t) (int bus, int device, int func,
+				       grub_pci_id_t pciid);
+typedef grub_uint32_t grub_pci_address_t;
+
+grub_pci_address_t EXPORT_FUNC(grub_pci_make_address) (int bus, int device,
+						       int function, int reg);
+
+void EXPORT_FUNC(grub_pci_iterate) (grub_pci_iteratefunc_t hook);
+
+#include <grub/machine/pci.h>
+
+#endif /* GRUB_PCI_H */