mirror of
https://github.com/u-boot/u-boot.git
synced 2025-04-19 03:15:00 +00:00
f18c048e6e
U-Boot has a fairly rigid memory map which is normally not visible unless debugging is enabled in board_f.c Update the 'meminfo' command to show it. This command does not cover arch-specific pieces but gives a good overview of where things are. Signed-off-by: Simon Glass <sjg@chromium.org>
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright 2024 Google LLC
|
|
* Written by Simon Glass <sjg@chromium.org>
|
|
*/
|
|
|
|
#include <bloblist.h>
|
|
#include <bootstage.h>
|
|
#include <command.h>
|
|
#include <display_options.h>
|
|
#include <malloc.h>
|
|
#include <mapmem.h>
|
|
#include <asm/global_data.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static void print_region(const char *name, ulong base, ulong size, ulong *uptop)
|
|
{
|
|
ulong end = base + size;
|
|
|
|
printf("%-12s %8lx %8lx %8lx", name, base, size, end);
|
|
if (*uptop)
|
|
printf(" %8lx", *uptop - end);
|
|
putc('\n');
|
|
*uptop = base;
|
|
}
|
|
|
|
static int do_meminfo(struct cmd_tbl *cmdtp, int flag, int argc,
|
|
char *const argv[])
|
|
{
|
|
ulong upto, stk_bot;
|
|
|
|
puts("DRAM: ");
|
|
print_size(gd->ram_size, "\n");
|
|
|
|
if (!IS_ENABLED(CONFIG_CMD_MEMINFO_MAP))
|
|
return 0;
|
|
|
|
printf("\n%-12s %8s %8s %8s %8s\n", "Region", "Base", "Size", "End",
|
|
"Gap");
|
|
printf("------------------------------------------------\n");
|
|
upto = 0;
|
|
if (IS_ENABLED(CONFIG_VIDEO))
|
|
print_region("video", gd_video_bottom(),
|
|
gd_video_size(), &upto);
|
|
if (IS_ENABLED(CONFIG_TRACE))
|
|
print_region("trace", map_to_sysmem(gd_trace_buff()),
|
|
gd_trace_size(), &upto);
|
|
print_region("code", gd->relocaddr, gd->mon_len, &upto);
|
|
print_region("malloc", map_to_sysmem((void *)mem_malloc_start),
|
|
mem_malloc_end - mem_malloc_start, &upto);
|
|
print_region("board_info", map_to_sysmem(gd->bd),
|
|
sizeof(struct bd_info), &upto);
|
|
print_region("global_data", map_to_sysmem((void *)gd),
|
|
sizeof(struct global_data), &upto);
|
|
print_region("devicetree", map_to_sysmem(gd->fdt_blob),
|
|
fdt_totalsize(gd->fdt_blob), &upto);
|
|
if (IS_ENABLED(CONFIG_BOOTSTAGE))
|
|
print_region("bootstage", map_to_sysmem(gd_bootstage()),
|
|
bootstage_get_size(false), &upto);
|
|
if (IS_ENABLED(CONFIG_BLOBLIST))
|
|
print_region("bloblist", map_to_sysmem(gd_bloblist()),
|
|
bloblist_get_total_size(), &upto);
|
|
stk_bot = gd->start_addr_sp - CONFIG_STACK_SIZE;
|
|
print_region("stack", stk_bot, CONFIG_STACK_SIZE, &upto);
|
|
print_region("free", gd->ram_base, stk_bot, &upto);
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
meminfo, 1, 1, do_meminfo,
|
|
"display memory information",
|
|
""
|
|
);
|