[PATCH v3 08/43] x86: Correct get_sp() implementation for 64-bit

Use an assembler implementation as is done for i386, so that the results are equivalent.

Signed-off-by: Simon Glass sjg@chromium.org ---

(no changes since v1)

arch/x86/lib/bootm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/lib/bootm.c b/arch/x86/lib/bootm.c index 61cb7bc6116..3196f9ddc2c 100644 --- a/arch/x86/lib/bootm.c +++ b/arch/x86/lib/bootm.c @@ -258,7 +258,7 @@ static ulong get_sp(void) ulong ret;

#if CONFIG_IS_ENABLED(X86_64) - ret = gd->start_addr_sp; + asm("mov %%rsp, %0" : "=r"(ret) : ); #else asm("mov %%esp, %0" : "=r"(ret) : ); #endif