Re: [U-Boot] [PATCH 2/3] x86: Don't copy the cpu_call64() function to a hardcoded address

2 Feb 2019


      On Thu, 31 Jan 2019 at 09:17, Bin Meng bmeng.cn@gmail.com wrote:
...
Before jumping to 64-bit U-Boot proper, SPL copies the cpu_call64()
function to a hardcoded address 0x3000000. This can have potential
conflicts with application usage. Switch the destination address
to be allocated from the heap to avoid such risk.
Signed-off-by: Bin Meng bmeng.cn@gmail.com
arch/x86/cpu/i386/call64.S |  4 ++++
 arch/x86/cpu/i386/cpu.c    | 11 ++++++++---
 2 files changed, 12 insertions(+), 3 deletions(-)
Reviewed-by: Simon Glass sjg@chromium.org