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efi_loader: bootefi hello should use loadaddr

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Command 'bootefi hello' currently uses CONFIG_SYS_LOAD_ADDR
as loading address.

qemu machines have by default 128 MiB RAM.
CONFIG_SYS_LOAD_ADDR for x86 is 0x20000000 (512 MiB).
This causes 'bootefi hello' to fail.

We should use the environment variable loadaddr if available.
It defaults to 0x1000000 (16 MiB) on qemu_x86.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt
2017-08-28 18:54:30 +02:00
committed by Alexander Graf
parent c07f38208a
commit 51c533fdce
1 changed files with 5 additions and 1 deletions
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6
cmd/bootefi.c
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@@ -299,7 +299,11 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
if (!strcmp(argv[1], "hello")) { if (!strcmp(argv[1], "hello")) {
ulong size = __efi_hello_world_end - __efi_hello_world_begin; ulong size = __efi_hello_world_end - __efi_hello_world_begin;
addr = CONFIG_SYS_LOAD_ADDR; saddr = env_get("loadaddr");
if (saddr)
addr = simple_strtoul(saddr, NULL, 16);
else
addr = CONFIG_SYS_LOAD_ADDR;
memcpy((char *)addr, __efi_hello_world_begin, size); memcpy((char *)addr, __efi_hello_world_begin, size);
} else } else
#endif #endif