brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-06-09 23:36:03 +09:00
Code Issues Projects Releases Wiki Activity

ARM: global_data: make set_gd() work for armv5 and armv6

Browse Source 
The Thumb instruction `ldr` is able to move high registers only from
armv7. For armv5 and armv6 we have to use `mov`.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Marek Behún 2021-05-20 13:24:09 +02:00 committed by Tom Rini
parent 1b457e753e
commit 82b63e9541
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm/include/asm/global_data.h
View File

@ -122,8 +122,10 @@ static inline void set_gd(volatile gd_t *gd_ptr)
{
#ifdef CONFIG_ARM64
__asm__ volatile("ldr x18, %0\n" : : "m"(gd_ptr));
#else
#elif __ARM_ARCH >= 7
__asm__ volatile("ldr r9, %0\n" : : "m"(gd_ptr));
#else
__asm__ volatile("mov r9, %0\n" : : "r"(gd_ptr));
#endif
}