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grub2/0112-Add-new-command-pcidump.patch
Peter Jones 31004e676e Rebase to upstream snapshot.
2013-06-07 14:03:56 -04:00

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From d08c1b02d9227c5ac0e335736f93e4e06b305b80 Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Wed, 16 Jan 2013 20:44:11 +0100
Subject: [PATCH 112/471] Add new command pcidump.
---
ChangeLog | 4 ++
grub-core/Makefile.core.def | 6 ++
grub-core/commands/pcidump.c | 165 +++++++++++++++++++++++++++++++++++++++++++
grub-core/commands/setpci.c | 2 +-
4 files changed, 176 insertions(+), 1 deletion(-)
create mode 100644 grub-core/commands/pcidump.c
diff --git a/ChangeLog b/ChangeLog
index f1c53e3..9922c06 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
2013-01-16 Vladimir Serbinenko <phcoder@gmail.com>
+ Add new command pcidump.
+
+2013-01-16 Vladimir Serbinenko <phcoder@gmail.com>
+
New terminal outputs using serial: morse and spkmodem.
2013-01-16 Vladimir Serbinenko <phcoder@gmail.com>
diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
index baf80b8..4609a4b 100644
--- a/grub-core/Makefile.core.def
+++ b/grub-core/Makefile.core.def
@@ -828,6 +828,12 @@ module = {
};
module = {
+ name = pcidump;
+ common = commands/pcidump.c;
+ enable = pci;
+};
+
+module = {
name = sleep;
common = commands/sleep.c;
};
diff --git a/grub-core/commands/pcidump.c b/grub-core/commands/pcidump.c
new file mode 100644
index 0000000..a49cf93
--- /dev/null
+++ b/grub-core/commands/pcidump.c
@@ -0,0 +1,165 @@
+/* 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+");
+
+static grub_uint32_t pciid_check_mask, pciid_check_value;
+static int bus, device, function;
+static 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 __attribute__ ((unused)))
+{
+ grub_pci_address_t addr;
+ int i;
+
+ if ((pciid & pciid_check_mask) != pciid_check_value)
+ return 0;
+
+ if (check_bus && grub_pci_get_bus (dev) != bus)
+ return 0;
+
+ if (check_device && grub_pci_get_device (dev) != device)
+ return 0;
+
+ if (check_function && grub_pci_get_function (dev) != 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;
+
+ pciid_check_value = 0;
+ pciid_check_mask = 0;
+
+ if (ctxt->state[0].set)
+ {
+ ptr = ctxt->state[0].arg;
+ pciid_check_value |= (grub_strtoul (ptr, (char **) &ptr, 16) & 0xffff);
+ if (grub_errno == GRUB_ERR_BAD_NUMBER)
+ {
+ grub_errno = GRUB_ERR_NONE;
+ ptr = ctxt->state[0].arg;
+ }
+ else
+ pciid_check_mask |= 0xffff;
+ if (grub_errno)
+ return grub_errno;
+ if (*ptr != ':')
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("missing `%c' symbol"), ':');
+ ptr++;
+ pciid_check_value |= (grub_strtoul (ptr, (char **) &ptr, 16) & 0xffff)
+ << 16;
+ if (grub_errno == GRUB_ERR_BAD_NUMBER)
+ grub_errno = GRUB_ERR_NONE;
+ else
+ pciid_check_mask |= 0xffff0000;
+ }
+
+ pciid_check_value &= pciid_check_mask;
+
+ check_bus = check_device = check_function = 0;
+
+ if (ctxt->state[1].set)
+ {
+ const char *optr;
+
+ ptr = ctxt->state[1].arg;
+ optr = ptr;
+ bus = grub_strtoul (ptr, (char **) &ptr, 16);
+ if (grub_errno == GRUB_ERR_BAD_NUMBER)
+ {
+ grub_errno = GRUB_ERR_NONE;
+ ptr = optr;
+ }
+ else
+ 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;
+ device = grub_strtoul (ptr, (char **) &ptr, 16);
+ if (grub_errno == GRUB_ERR_BAD_NUMBER)
+ {
+ grub_errno = GRUB_ERR_NONE;
+ ptr = optr;
+ }
+ else
+ check_device = 1;
+ if (*ptr == '.')
+ {
+ ptr++;
+ function = grub_strtoul (ptr, (char **) &ptr, 16);
+ if (grub_errno)
+ return grub_errno;
+ check_function = 1;
+ }
+ }
+
+ grub_pci_iterate (grub_pcidump_iter, NULL);
+ return GRUB_ERR_NONE;
+}
+
+static grub_extcmd_t cmd;
+
+GRUB_MOD_INIT(setpci)
+{
+ cmd = grub_register_extcmd ("pcidump", grub_cmd_pcidump, 0,
+ N_("[-s POSITION] [-d DEVICE]"),
+ N_("Dump PCI configuration space."), options);
+}
+
+GRUB_MOD_FINI(setpci)
+{
+ grub_unregister_extcmd (cmd);
+}
diff --git a/grub-core/commands/setpci.c b/grub-core/commands/setpci.c
index 6fdf0e0..4eaba7c 100644
--- a/grub-core/commands/setpci.c
+++ b/grub-core/commands/setpci.c
@@ -331,7 +331,7 @@ GRUB_MOD_INIT(setpci)
{
cmd = grub_register_extcmd ("setpci", grub_cmd_setpci, 0,
N_("[-s POSITION] [-d DEVICE] [-v VAR] "
- "[REGISTER][=VALUE[:MASK]]"),
+ "REGISTER[=VALUE[:MASK]]"),
N_("Manipulate PCI devices."), options);
}
--
1.8.2.1
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