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https://github.com/u-boot/u-boot.git
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e34ecf9d5e
Upcoming patches are mapping memory with RO, RW^X etc permsissions. Fix the meminfo command to display them properly Acked-by: Jerome Forissier <jerome.forissier@linaro.org> Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org> Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2024 Google LLC
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#include <bloblist.h>
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#include <bootstage.h>
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#include <command.h>
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#include <display_options.h>
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#include <lmb.h>
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#include <malloc.h>
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#include <mapmem.h>
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#include <asm/global_data.h>
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DECLARE_GLOBAL_DATA_PTR;
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void __weak arch_dump_mem_attrs(void)
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{
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}
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static void print_region(const char *name, ulong base, ulong size, ulong *uptop)
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{
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ulong end = base + size;
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printf("%-12s %8lx %8lx %8lx", name, base, size, end);
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if (*uptop)
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printf(" %8lx", *uptop - end);
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putc('\n');
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*uptop = base;
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}
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static void show_lmb(const struct lmb *lmb, ulong *uptop)
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{
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int i;
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for (i = lmb->used_mem.count - 1; i >= 0; i--) {
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const struct lmb_region *rgn = alist_get(&lmb->used_mem, i,
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struct lmb_region);
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/*
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* Assume that the top lmb region is the U-Boot region, so just
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* take account of the memory not already reported
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*/
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if (lmb->used_mem.count - 1)
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print_region("lmb", rgn->base, *uptop - rgn->base,
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uptop);
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else
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print_region("lmb", rgn->base, rgn->size, uptop);
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*uptop = rgn->base;
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}
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}
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static int do_meminfo(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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ulong upto, stk_bot;
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puts("DRAM: ");
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print_size(gd->ram_size, "\n");
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if (!IS_ENABLED(CONFIG_CMD_MEMINFO_MAP))
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return 0;
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arch_dump_mem_attrs();
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printf("\n%-12s %8s %8s %8s %8s\n", "Region", "Base", "Size", "End",
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"Gap");
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printf("------------------------------------------------\n");
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upto = 0;
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if (IS_ENABLED(CONFIG_VIDEO))
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print_region("video", gd_video_bottom(),
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gd_video_size(), &upto);
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if (IS_ENABLED(CONFIG_TRACE))
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print_region("trace", map_to_sysmem(gd_trace_buff()),
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gd_trace_size(), &upto);
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print_region("code", gd->relocaddr, gd->mon_len, &upto);
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print_region("malloc", map_to_sysmem((void *)mem_malloc_start),
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mem_malloc_end - mem_malloc_start, &upto);
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print_region("board_info", map_to_sysmem(gd->bd),
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sizeof(struct bd_info), &upto);
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print_region("global_data", map_to_sysmem((void *)gd),
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sizeof(struct global_data), &upto);
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print_region("devicetree", map_to_sysmem(gd->fdt_blob),
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fdt_totalsize(gd->fdt_blob), &upto);
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if (IS_ENABLED(CONFIG_BOOTSTAGE))
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print_region("bootstage", map_to_sysmem(gd_bootstage()),
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bootstage_get_size(false), &upto);
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if (IS_ENABLED(CONFIG_BLOBLIST))
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print_region("bloblist", map_to_sysmem(gd_bloblist()),
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bloblist_get_total_size(), &upto);
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stk_bot = gd->start_addr_sp - CONFIG_STACK_SIZE;
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print_region("stack", stk_bot, CONFIG_STACK_SIZE, &upto);
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if (IS_ENABLED(CONFIG_LMB))
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show_lmb(lmb_get(), &upto);
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print_region("free", gd->ram_base, upto, &upto);
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return 0;
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}
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U_BOOT_CMD(
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meminfo, 1, 1, do_meminfo,
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"display memory information",
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""
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);
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