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lmb: make LMB memory map persistent and global

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The current LMB API's for allocating and reserving memory use a
per-caller based memory view. Memory allocated by a caller can then be
overwritten by another caller. Make these allocations and reservations
persistent using the alloced list data structure.

Two alloced lists are declared -- one for the available(free) memory,
and one for the used memory. Once full, the list can then be extended
at runtime.

[sjg: Use a stack to store pointer of lmb struct when running lmb tests]

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
[sjg: Optimise the logic to add a region in lmb_add_region_flags()]
This commit is contained in:
Sughosh Ganu
2024-08-26 17:29:18 +05:30
committed by Tom Rini
parent a368850ae2
commit ed17a33fed
39 changed files with 717 additions and 749 deletions
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6
cmd/bdinfo.c
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@@ -162,10 +162,8 @@ static int bdinfo_print_all(struct bd_info *bd)
bdinfo_print_num_l("multi_dtb_fit", (ulong)gd->multi_dtb_fit);
#endif
if (IS_ENABLED(CONFIG_LMB) && gd->fdt_blob) {
struct lmb lmb;
lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob);
lmb_dump_all_force(&lmb);
lmb_init_and_reserve(gd->bd, (void *)gd->fdt_blob);
lmb_dump_all_force();
if (IS_ENABLED(CONFIG_OF_REAL))
printf("devicetree = %s\n", fdtdec_get_srcname());
}