41     mrs     r0, cpsr  in OS_EnableInterrupts()
42     bic     r1, r0, #HW_PSR_IRQ_DISABLE  in OS_EnableInterrupts()
44     and     r0, r0, #HW_PSR_IRQ_DISABLE  in OS_EnableInterrupts()
61     mrs     r0, cpsr  in OS_DisableInterrupts()
62     orr     r1, r0, #HW_PSR_IRQ_DISABLE  in OS_DisableInterrupts()
64     and     r0, r0, #HW_PSR_IRQ_DISABLE  in OS_DisableInterrupts()
83     orr     r2, r2, r0  in OS_RestoreInterrupts()
85     and     r0, r1, #HW_PSR_IRQ_DISABLE  in OS_RestoreInterrupts()
105     mrs     r0, cpsr  in OS_EnableInterrupts_IrqAndFiq()
106     bic     r1, r0, #HW_PSR_IRQ_FIQ_DISABLE  in OS_EnableInterrupts_IrqAndFiq()
108     and     r0, r0, #HW_PSR_IRQ_FIQ_DISABLE  in OS_EnableInterrupts_IrqAndFiq()
125     mrs     r0, cpsr  in OS_DisableInterrupts_IrqAndFiq()
126     orr     r1, r0, #HW_PSR_IRQ_FIQ_DISABLE  in OS_DisableInterrupts_IrqAndFiq()
128     and     r0, r0, #HW_PSR_IRQ_FIQ_DISABLE  in OS_DisableInterrupts_IrqAndFiq()
147     orr     r2, r2, r0  in OS_RestoreInterrupts_IrqAndFiq()
149     and     r0, r1, #HW_PSR_IRQ_FIQ_DISABLE  in OS_RestoreInterrupts_IrqAndFiq()
166     mrs     r0, cpsr  in OS_GetCpsrIrq()
167     and     r0, r0, #HW_PSR_IRQ_DISABLE  in OS_GetCpsrIrq()
190     mrs     r0, cpsr  in OS_GetProcMode()
191     and     r0, r0, #HW_PSR_CPU_MODE_MASK  in OS_GetProcMode()
218 _1: subs   r0, r0, #4   // 3 cycle  in OS_SpinWaitCpuCycles()