1 files changed, 40 insertions, 0 deletions

diff --git a/arch/arm/mach-u300/include/mach/entry-macro.S b/arch/arm/mach-u300/include/mach/entry-macro.S
new file mode 100644
index 00000000000..20731ae39d3
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/entry-macro.S
@@ -0,0 +1,40 @@
+/*
+ *
+ * arch-arm/mach-u300/include/mach/entry-macro.S
+ *
+ *
+ * Copyright (C) 2006-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Low-level IRQ helper macros for ST-Ericsson U300
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#include <mach/hardware.h>
+#include <asm/hardware/vic.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, = U300_AHB_PER_VIRT_BASE-U300_AHB_PER_PHYS_BASE+U300_INTCON0_BASE
+        ldr     \irqstat, [\base, #VIC_IRQ_STATUS] @ get masked status
+        mov     \irqnr, #0
+        teq     \irqstat, #0
+        bne     1002f
+1001:   ldr     \base, = U300_AHB_PER_VIRT_BASE-U300_AHB_PER_PHYS_BASE+U300_INTCON1_BASE
+        ldr     \irqstat, [\base, #VIC_IRQ_STATUS] @ get masked status
+        mov     \irqnr, #32
+        teq     \irqstat, #0
+        beq     1003f
+1002:   tst     \irqstat, #1
+        bne     1003f
+        add     \irqnr, \irqnr, #1
+        movs    \irqstat, \irqstat, lsr #1
+        bne     1002b
+1003:           /* EQ will be set if no irqs pending */
+        .endm