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add iomem command to show iomem usage 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2011-12-01 21:47:23 +01:00
parent 200ae6b4ee
commit 32f163f67c
3 changed files with 64 additions and 0 deletions
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7
commands/Kconfig
View File

@ -215,6 +215,13 @@ config CMD_MEMINFO
tristate
prompt "meminfo"
config CMD_IOMEM
tristate
prompt "iomem"
help
Show information about iomem usage. Pendant to 'cat /proc/iomem'
under Linux.
config CMD_MEMORY
bool
default y

1
commands/Makefile
View File

@ -60,3 +60,4 @@ obj-$(CONFIG_CMD_USB) += usb.o
obj-$(CONFIG_CMD_TIME) += time.o
obj-$(CONFIG_CMD_OFTREE) += oftree.o
obj-$(CONFIG_CMD_MAGICVAR) += magicvar.o
obj-$(CONFIG_CMD_IOMEM) += iomem.o

56
commands/iomem.c Normal file
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@ -0,0 +1,56 @@
/*
* iomem.c - barebox iomem command
*
* Copyright (c) 2011 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program 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 this program; if not, write to the Free Software
* Foundation.
*/
#include <common.h>
#include <command.h>
static void __print_resources(struct resource *res, int indent)
{
struct resource *r;
int i;
for (i = 0; i < indent; i++)
printf(" ");
printf("0x%08x - 0x%08x (size 0x%08x) %s\n", res->start,
res->start + res->size - 1,
res->size, res->name);
list_for_each_entry(r, &res->children, sibling)
__print_resources(r, indent + 1);
}
static void print_resources(struct resource *res)
{
__print_resources(res, 0);
}
static int do_iomem(struct command *cmdtp, int argc, char *argv[])
{
print_resources(&iomem_resource);
return 0;
}
BAREBOX_CMD_START(iomem)
.cmd = do_iomem,
.usage = "show iomem usage",
BAREBOX_CMD_END