diff options
Diffstat (limited to 'cpukit/score/cpu/aarch64/cpu_asm.S')
| -rw-r--r-- | cpukit/score/cpu/aarch64/cpu_asm.S | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/cpukit/score/cpu/aarch64/cpu_asm.S b/cpukit/score/cpu/aarch64/cpu_asm.S index 2379698336..6321acde90 100644 --- a/cpukit/score/cpu/aarch64/cpu_asm.S +++ b/cpukit/score/cpu/aarch64/cpu_asm.S @@ -203,4 +203,21 @@ DEFINE_FUNCTION_AARCH64(_CPU_Context_restore) #endif b .L_check_is_executing + +DEFINE_FUNCTION_AARCH64(_AArch64_Start_multitasking) +#ifdef AARCH64_MULTILIB_ARCH_V8_ILP32 + /* Sanitize input for ILP32 ABI */ + mov w0, w0 +#endif + + mov x1, x0 + GET_SELF_CPU_CONTROL reg_2 + + /* Switch the stack to the temporary interrupt stack of this processor */ + add sp, x2, #(PER_CPU_INTERRUPT_FRAME_AREA + CPU_INTERRUPT_FRAME_SIZE) + + /* Enable interrupts */ + msr DAIFClr, #0x2 + + b .L_check_is_executing #endif |