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boot: fdt: Change type of env_get_bootm_low() to phys_addr_t

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Change type of ulong env_get_bootm_low() to phys_addr_t env_get_bootm_low().
The PPC/LS systems already treat env_get_bootm_low() result as phys_addr_t,
while the function itself still returns ulong. This is potentially dangerous
on 64bit systems, where ulong might not be large enough to hold the content
of "bootm_low" environment variable. Fix it by using phys_addr_t, similar to
what env_get_bootm_size() does, which returns phys_size_t .

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
This commit is contained in:
Marek Vasut
2024-03-26 23:13:11 +01:00
committed by Tom Rini
parent d545fe3b82
commit a4df06e41f
4 changed files with 14 additions and 15 deletions
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4
boot/bootm.c
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@@ -242,13 +242,13 @@ static int boot_get_kernel(const char *addr_fit, struct bootm_headers *images,
#ifdef CONFIG_LMB
static void boot_start_lmb(struct bootm_headers *images)
{
ulong mem_start;
phys_addr_t mem_start;
phys_size_t mem_size;
mem_start = env_get_bootm_low();
mem_size = env_get_bootm_size();
lmb_init_and_reserve_range(&images->lmb, (phys_addr_t)mem_start,
lmb_init_and_reserve_range(&images->lmb, mem_start,
mem_size, NULL);
}
#else