* Interrupt handling. Preserves r7, r8, r9
*/
.macro irq_handler
+ get_irqnr_preamble r5, lr
1: get_irqnr_and_base r0, r6, r5, lr
movne r1, sp
@
*/
#include <asm/unistd.h>
+#include <asm/arch/entry-macro.S>
#include "entry-header.S"
tst r1, #_TIF_WORK_MASK
bne fast_work_pending
+ /* perform architecture specific actions before user return */
+ arch_ret_to_user r1, lr
+
@ fast_restore_user_regs
ldr r1, [sp, #S_OFF + S_PSR] @ get calling cpsr
ldr lr, [sp, #S_OFF + S_PC]! @ get pc
tst r1, #_TIF_WORK_MASK
bne work_pending
no_work_pending:
+ /* perform architecture specific actions before user return */
+ arch_ret_to_user r1, lr
+
@ slow_restore_user_regs
ldr r1, [sp, #S_PSR] @ get calling cpsr
ldr lr, [sp, #S_PC]! @ get pc
.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
mov r4, #0xf8000000
add r4, r4, #0x00000500
.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, =(AT91_VA_BASE_SYS) @ base virtual address of SYS peripherals
ldr \irqnr, [\base, #AT91_AIC_IVR] @ read IRQ vector register: de-asserts nIRQ to processor (and clears interrupt)
#include <asm/hardware.h>
#include <asm/hardware/entry-macro-iomd.S>
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
.macro disable_fiq
.endm
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
#if (INTSR2 - INTSR1) != (INTMR2 - INTMR1)
#error INTSR stride != INTMR stride
#endif
.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, stat, base, tmp
mov \base, #IRQ_STAT
ldrb \stat, [\base] @ get interrupts
.macro disable_fiq
.endm
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
.equ dc21285_high, ARMCSR_BASE & 0xff000000
.equ dc21285_low, ARMCSR_BASE & 0x00ffffff
.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, =(EP93XX_AHB_VIRT_BASE)
orr \base, \base, #0x000b0000
.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
#if defined (CONFIG_CPU_H7201) || defined (CONFIG_CPU_H7202)
@ we could use the id register on H7202, but this is not
.macro disable_fiq
.endm
+
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
#define AITC_NIVECSR 0x40
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
ldr \irqstat, =IO_ADDRESS(IMX_AITC_BASE)
.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
/* FIXME: should not be using soo many LDRs here */
ldr \base, =IO_ADDRESS(INTEGRATOR_IC_BASE)
.macro disable_fiq
.endm
+ .macro get_irqnr_preamble, base, tmp
+ mrc p15, 0, \tmp, c15, c1, 0
+ orr \tmp, \tmp, #(1 << 6)
+ mcr p15, 0, \tmp, c15, c1, 0 @ Enable cp6 access
+ .endm
+
/*
* Note: a 1-cycle window exists where iintvec will return the value
* of iintbase, so we explicitly check for "bad zeros"
*/
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- mrc p15, 0, \tmp, c15, c1, 0
- orr \tmp, \tmp, #(1 << 6)
- mcr p15, 0, \tmp, c15, c1, 0 @ Enable cp6 access
-
mrc p6, 0, \irqnr, c3, c2, 0 @ Read IINTVEC
cmp \irqnr, #0
mrceq p6, 0, \irqnr, c3, c2, 0 @ Re-read on potentially bad zero
adds \irqstat, \irqnr, #1 @ Check for 0xffffffff
movne \irqnr, \irqnr, lsr #2 @ Convert to irqnr
+ .endm
- biceq \tmp, \tmp, #(1 << 6)
- mcreq p15, 0, \tmp, c15, c1, 0 @ Disable cp6 access if no more interrupts
+ .macro arch_ret_to_user, tmp1, tmp2
+ mrc p15, 0, \tmp1, c15, c1, 0
+ ands \tmp2, \tmp1, #(1 << 6)
+ bicne \tmp1, \tmp1, #(1 << 6)
+ mcrne p15, 0, \tmp1, c15, c1, 0 @ Disable cp6 access
.endm
*/
#include <asm/arch/iop32x.h>
- .macro disable_fiq
- .endm
+ .macro disable_fiq
+ .endm
- .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- ldr \base, =IOP3XX_REG_ADDR(0x07D8)
- ldr \irqstat, [\base] @ Read IINTSRC
- cmp \irqstat, #0
- clzne \irqnr, \irqstat
- rsbne \irqnr, \irqnr, #31
- .endm
+ .macro get_irqnr_preamble, base, tmp
+ mrc p15, 0, \tmp, c15, c1, 0
+ orr \tmp, \tmp, #(1 << 6)
+ mcr p15, 0, \tmp, c15, c1, 0 @ Enable cp6 access
+ mrc p15, 0, \tmp, c15, c1, 0
+ mov \tmp, \tmp
+ sub pc, pc, #4 @ cp_wait
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ mrc p6, 0, \irqstat, c8, c0, 0 @ Read IINTSRC
+ cmp \irqstat, #0
+ clzne \irqnr, \irqstat
+ rsbne \irqnr, \irqnr, #31
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ mrc p15, 0, \tmp1, c15, c1, 0
+ ands \tmp2, \tmp1, #(1 << 6)
+ bicne \tmp1, \tmp1, #(1 << 6)
+ mcrne p15, 0, \tmp1, c15, c1, 0 @ Disable cp6 access
+ .endm
*/
#include <asm/arch/iop33x.h>
- .macro disable_fiq
- .endm
+ .macro disable_fiq
+ .endm
- .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- ldr \base, =IOP3XX_REG_ADDR(0x07C8)
- ldr \irqstat, [\base] @ Read IINTVEC
- cmp \irqstat, #0
- ldreq \irqstat, [\base] @ erratum 63 workaround
- adds \irqnr, \irqstat, #1
- movne \irqnr, \irqstat, lsr #2
- .endm
+ .macro get_irqnr_preamble, base, tmp
+ mrc p15, 0, \tmp, c15, c1, 0
+ orr \tmp, \tmp, #(1 << 6)
+ mcr p15, 0, \tmp, c15, c1, 0 @ Enable cp6 access
+ mrc p15, 0, \tmp, c15, c1, 0
+ mov \tmp, \tmp
+ sub pc, pc, #4 @ cp_wait
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ mrc p6, 0, \irqstat, c14, c0, 0 @ Read IINTVEC
+ cmp \irqstat, #0
+ mrceq p6, 0, \irqstat, c14, c0, 0 @ erratum 63 workaround
+ adds \irqnr, \irqstat, #1
+ movne \irqnr, \irqstat, lsr #2
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ mrc p15, 0, \tmp1, c15, c1, 0
+ ands \tmp2, \tmp1, #(1 << 6)
+ bicne \tmp1, \tmp1, #(1 << 6)
+ mcrne p15, 0, \tmp1, c15, c1, 0 @ Disable cp6 access
+ .endm
.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
mov \irqnr, #0x0 @clear out irqnr as default
.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 \irqnr, =(IXP23XX_INTC_VIRT + IXP23XX_INTR_IRQ_ENC_ST_OFFSET)
ldr \irqnr, [\irqnr] @ get interrupt number
.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 \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP_OFFSET)
ldr \irqstat, [\irqstat] @ get interrupts
.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
mov \irqstat, #irq_base_addr @ Virt addr IRQ regs
add \irqstat, \irqstat, #0x00001000 @ Status reg
.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
branch_irq_lh7a400: b 1000f
.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
mov \base, #io_p2v(0x00100000)
add \base, \base, #0x000ff000
.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, =IO_ADDRESS(OMAP_IH1_BASE)
ldr \irqnr, [\base, #IRQ_ITR_REG_OFFSET]
.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
/* decode the MIC interrupt numbers */
ldr \base, =IO_ADDRESS(PNX4008_INTCTRLMIC_BASE)
.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
#ifdef CONFIG_PXA27x
mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP
.macro disable_fiq
.endm
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
/*
* The interrupt numbering scheme is defined in the
* interrupt controller spec. To wit:
#include <asm/hardware.h>
#include <asm/hardware/entry-macro-iomd.S>
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
#include <asm/hardware.h>
#include <asm/irq.h>
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
mov \base, #S3C24XX_VA_IRQ
.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
mov r4, #0xfa000000 @ ICIP = 0xfa050000
add r4, r4, #0x00050000
.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
mov r4, #0xe0000000
.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, =IO_ADDRESS(VERSATILE_VIC_BASE)
ldr \irqstat, [\base, #VIC_IRQ_STATUS] @ get masked status