* warranty of any kind, whether express or implied.
*/
-#include <asm/hardware/vic.h>
-#include <mach/hardware.h>
-
.macro disable_fiq
.endm
- .macro get_irqnr_preamble, base, tmp
- .endm
-
.macro arch_ret_to_user, tmp1, tmp2
.endm
-
- .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- ldr \base, =VA_SPEAR3XX_ML1_VIC_BASE
- ldr \irqstat, [\base, #VIC_IRQ_STATUS] @ get status
- teq \irqstat, #0
- beq 1001f @ this will set/reset
- @ zero register
- /*
- * Following code will find bit position of least significang
- * bit set in irqstat, using following equation
- * least significant bit set in n = (n & ~(n-1))
- */
- sub \tmp, \irqstat, #1 @ tmp = irqstat - 1
- mvn \tmp, \tmp @ tmp = ~tmp
- and \irqstat, \irqstat, \tmp @ irqstat &= tmp
- /* Now, irqstat is = bit no. of 1st bit set in vic irq status */
- clz \tmp, \irqstat @ tmp = leading zeros
- rsb \irqnr, \tmp, #0x1F @ irqnr = 32 - tmp - 1
-
-1001: /* EQ will be set if no irqs pending */
- .endm