diff options
Diffstat (limited to 'cfe/cfe/ui/ui_memcmds.c')
| -rw-r--r-- | cfe/cfe/ui/ui_memcmds.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/cfe/cfe/ui/ui_memcmds.c b/cfe/cfe/ui/ui_memcmds.c new file mode 100644 index 0000000..b48af34 --- /dev/null +++ b/cfe/cfe/ui/ui_memcmds.c @@ -0,0 +1,171 @@ +/* ********************************************************************* + * Broadcom Common Firmware Environment (CFE) + * + * Memory Map commands File: ui_memcmds.c + * + * Memory Manager user interface + * + * Author: Mitch Lichtenberg (mpl@broadcom.com) + * + ********************************************************************* + * + * Copyright 2000,2001,2002,2003 + * Broadcom Corporation. All rights reserved. + * + * This software is furnished under license and may be used and + * copied only in accordance with the following terms and + * conditions. Subject to these conditions, you may download, + * copy, install, use, modify and distribute modified or unmodified + * copies of this software in source and/or binary form. No title + * or ownership is transferred hereby. + * + * 1) Any source code used, modified or distributed must reproduce + * and retain this copyright notice and list of conditions + * as they appear in the source file. + * + * 2) No right is granted to use any trade name, trademark, or + * logo of Broadcom Corporation. The "Broadcom Corporation" + * name may not be used to endorse or promote products derived + * from this software without the prior written permission of + * Broadcom Corporation. + * + * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED + * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR + * PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT + * SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN + * PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + ********************************************************************* */ + + + + +#include "lib_types.h" +#include "lib_string.h" +#include "lib_queue.h" +#include "lib_malloc.h" +#include "lib_printf.h" +#include "lib_arena.h" + +#include "ui_command.h" + +#include "cfe_mem.h" + +#include "cfe.h" + + +const static char * const cfe_arenatypes[] = { + "Reserved", + "DRAM (available)", + "Memory Controller (unused)", + "DRAM (in use by firmware)", + "ROM", + "I/O Registers", + "Not available", + "L2 Cache", + "LDT/PCI", + NULL}; + +extern arena_t cfe_arena; + + + +int ui_init_memcmds(void); + +static int ui_cmd_physmap(ui_cmdline_t *cmd,int argc,char *argv[]); +static int ui_cmd_heapstats(ui_cmdline_t *cmd,int argc,char *argv[]); + + +int ui_init_memcmds(void) +{ + cmd_addcmd("show memory", + ui_cmd_physmap, + NULL, + "Display the system physical memory map.", + "show memory [-a]\n\n" + "This command displays the arena, or system physical memory map\n" + "You can use this command to determine the areas of RAM that will\n" + "be made available to operating systems.\n", + "-a;Display all entries in the map, not just the blocks\n" + "of available memory."); + + cmd_addcmd("show heap", + ui_cmd_heapstats, + NULL, + "Display information about CFE's heap", + "show heap\n\n" + "This is a debugging command that can be used to determine the health\n" + "of CFE's internal memory manager.", + ""); + + return 0; +} + +static int ui_cmd_heapstats(ui_cmdline_t *cmd,int argc,char *argv[]) +{ + int res; + memstats_t stats; + + res = KMEMSTATS(&stats); + + xprintf("\n"); + xprintf("Total bytes: %d\n",stats.mem_totalbytes); + xprintf("Free bytes: %d\n",stats.mem_freebytes); + xprintf("Free nodes: %d\n",stats.mem_freenodes); + xprintf("Allocated bytes: %d\n",stats.mem_allocbytes); + xprintf("Allocated nodes: %d\n",stats.mem_allocnodes); + xprintf("Largest free node: %d\n",stats.mem_largest); + xprintf("Heap status: %s\n",(res == 0) ? "CONSISTENT" : "CORRUPT!"); + xprintf("\n"); + + return res; +} + + +#define PHYSMAP_FLG_ALL 1 +#define PHYSMAP_FLG_AVAIL 2 + +static int ui_cmd_physmap(ui_cmdline_t *cmd,int argc,char *argv[]) +{ + arena_node_t *node; + queue_t *qb; + arena_t *arena = &cfe_arena; + int flags = 0; + + if (cmd_sw_isset(cmd,"-a")) { + flags |= PHYSMAP_FLG_ALL; + } + else { + flags = PHYSMAP_FLG_AVAIL; + } + + + xprintf("Range Start Range End Range Size Description\n"); + xprintf("------------ ------------ -------------- --------------------\n"); + + for (qb = (arena->arena_list.q_next); qb != &(arena->arena_list); + qb = qb->q_next) { + node = (arena_node_t *) qb; + + if ((flags & PHYSMAP_FLG_ALL) || + ((flags & PHYSMAP_FLG_AVAIL) && (node->an_type == MEMTYPE_DRAM_AVAILABLE))) { + + xprintf("%012llX-%012llX (%012llX) %s\n", + node->an_address, + node->an_address+node->an_length-1, + node->an_length, + cfe_arenatypes[node->an_type]); + } + + } + + return 0; +} + |