Adding upstream version 2.06.upstream/2.06upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 174 insertions, 0 deletions

diff --git a/grub-core/commands/pcidump.c b/grub-core/commands/pcidump.c
new file mode 100644
index 0000000..f72628f
--- /dev/null
+++ b/grub-core/commands/pcidump.c
@@ -0,0 +1,174 @@
+/* lspci.c - List PCI devices.  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2013  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/misc.h>
+#include <grub/extcmd.h>
+#include <grub/env.h>
+#include <grub/mm.h>
+#include <grub/i18n.h>
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+struct iter_cxt
+{
+  grub_uint32_t pciid_check_mask, pciid_check_value;
+  int bus, device, function;
+  int check_bus, check_device, check_function;
+};
+
+static const struct grub_arg_option options[] =
+  {
+    {0, 'd', 0, N_("Select device by vendor and device IDs."),
+     N_("[vendor]:[device]"), ARG_TYPE_STRING},
+    {0, 's', 0, N_("Select device by its position on the bus."),
+     N_("[bus]:[slot][.func]"), ARG_TYPE_STRING},
+    {0, 0, 0, 0, 0, 0}
+  };
+
+static int
+grub_pcidump_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
+		  void *data)
+{
+  struct iter_cxt *ctx = data;
+  grub_pci_address_t addr;
+  int i;
+
+  if ((pciid & ctx->pciid_check_mask) != ctx->pciid_check_value)
+    return 0;
+
+  if (ctx->check_bus && grub_pci_get_bus (dev) != ctx->bus)
+    return 0;
+
+  if (ctx->check_device && grub_pci_get_device (dev) != ctx->device)
+    return 0;
+
+  if (ctx->check_function && grub_pci_get_function (dev) != ctx->function)
+    return 0;
+
+  for (i = 0; i < 256; i += 4)
+    {
+      addr = grub_pci_make_address (dev, i);
+      grub_printf ("%08x ", grub_pci_read (addr));
+      if ((i & 0xc) == 0xc)
+	grub_printf ("\n");
+    }
+
+  return 0;
+}
+
+static grub_err_t
+grub_cmd_pcidump (grub_extcmd_context_t ctxt,
+		  int argc __attribute__ ((unused)),
+		  char **argv __attribute__ ((unused)))
+{
+  const char *ptr;
+  struct iter_cxt ctx =
+    {
+      .pciid_check_value = 0,
+      .pciid_check_mask = 0,
+      .check_bus = 0,
+      .check_device = 0,
+      .check_function = 0,
+      .bus = 0,
+      .function = 0,
+      .device = 0
+    };
+
+  if (ctxt->state[0].set)
+    {
+      ptr = ctxt->state[0].arg;
+      ctx.pciid_check_value |= (grub_strtoul (ptr, &ptr, 16) & 0xffff);
+      if (grub_errno == GRUB_ERR_BAD_NUMBER)
+	{
+	  grub_errno = GRUB_ERR_NONE;
+	  ptr = ctxt->state[0].arg;
+	}
+      else
+	ctx.pciid_check_mask |= 0xffff;
+      if (grub_errno)
+	return grub_errno;
+      if (*ptr != ':')
+	return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("missing `%c' symbol"), ':');
+      ptr++;
+      ctx.pciid_check_value |= (grub_strtoul (ptr, &ptr, 16) & 0xffff) << 16;
+      if (grub_errno == GRUB_ERR_BAD_NUMBER)
+	grub_errno = GRUB_ERR_NONE;
+      else
+	ctx.pciid_check_mask |= 0xffff0000;
+    }
+
+  ctx.pciid_check_value &= ctx.pciid_check_mask;
+
+  if (ctxt->state[1].set)
+    {
+      const char *optr;
+
+      ptr = ctxt->state[1].arg;
+      optr = ptr;
+      ctx.bus = grub_strtoul (ptr, &ptr, 16);
+      if (grub_errno == GRUB_ERR_BAD_NUMBER)
+	{
+	  grub_errno = GRUB_ERR_NONE;
+	  ptr = optr;
+	}
+      else
+	ctx.check_bus = 1;
+      if (grub_errno)
+	return grub_errno;
+      if (*ptr != ':')
+	return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("missing `%c' symbol"), ':');
+      ptr++;
+      optr = ptr;
+      ctx.device = grub_strtoul (ptr, &ptr, 16);
+      if (grub_errno == GRUB_ERR_BAD_NUMBER)
+	{
+	  grub_errno = GRUB_ERR_NONE;
+	  ptr = optr;
+	}
+      else
+	ctx.check_device = 1;
+      if (*ptr == '.')
+	{
+	  ptr++;
+	  ctx.function = grub_strtoul (ptr, &ptr, 16);
+	  if (grub_errno)
+	    return grub_errno;
+	  ctx.check_function = 1;
+	}
+    }
+
+  grub_pci_iterate (grub_pcidump_iter, &ctx);
+  return GRUB_ERR_NONE;
+}
+
+static grub_extcmd_t cmd;
+
+GRUB_MOD_INIT(pcidump)
+{
+  cmd = grub_register_extcmd ("pcidump", grub_cmd_pcidump, 0,
+			      N_("[-s POSITION] [-d DEVICE]"),
+			      N_("Show raw dump of the PCI configuration space."), options);
+}
+
+GRUB_MOD_FINI(pcidump)
+{
+  grub_unregister_extcmd (cmd);
+}