diff options
| -rw-r--r-- | arch/arm/lib/semihosting.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/lib/semihosting.S b/arch/arm/lib/semihosting.S index 393aade94a5..6e1691a832c 100644 --- a/arch/arm/lib/semihosting.S +++ b/arch/arm/lib/semihosting.S @@ -18,11 +18,17 @@ ENTRY(smh_trap) #elif defined(CONFIG_SYS_THUMB_BUILD) svc #0xab #else +#if CONFIG_SYS_ARM_ARCH < 7 + /* Before the ARMv7 exception model, svc (swi) clobbers lr */ + mov r2, lr +#endif svc #0x123456 #endif #if defined(CONFIG_ARM64) ret +#elif CONFIG_SYS_ARM_ARCH < 7 + bx r2 #else bx lr #endif |