diff options
| author | Simon Glass <sjg@chromium.org> | 2023-07-15 21:38:43 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng@tinylab.org> | 2023-07-17 17:08:44 +0800 |
| commit | 67884002f48ecf9e39f9402bc3866c8674ada563 (patch) | |
| tree | bd1d4d112a1e9a56fa67387a3a16ab1971d4167a | |
| parent | 633af11dd65cde0c198f8548585d6610cf4d0655 (diff) | |
x86: Correct get_sp() implementation for 64-bit
Use an assembler implementation as is done for i386, so that the results
are equivalent for i386 and x86_64.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
| -rw-r--r-- | arch/x86/lib/bootm.c | 2 |
1 files changed, 1 insertions, 1 deletions
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 |