convert brcm-2.4 to the new target structure

[openwrt-10.03/.git] / target / linux / brcm-2.4 / files / arch / mips / bcm947xx / generic / int-handler.S

diff --git a/target/linux/brcm-2.4/files/arch/mips/bcm947xx/generic/int-handler.S b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/generic/int-handler.S
new file mode 100644 (file)
index 0000000..cdb45c3
--- /dev/null
+++ b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/generic/int-handler.S
@@ -0,0 +1,51 @@
+/*
+ * Generic interrupt handler for Broadcom MIPS boards
+ *
+ * Copyright 2004, Broadcom Corporation
+ * All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+ *
+ * $Id: int-handler.S,v 1.1 2005/03/16 13:50:00 wbx Exp $
+ */
+
+#include <linux/config.h>
+
+#include <asm/asm.h>
+#include <asm/mipsregs.h>
+#include <asm/regdef.h>
+#include <asm/stackframe.h>
+
+/*
+ *     MIPS IRQ        Source
+ *      --------        ------
+ *             0       Software (ignored)
+ *             1        Software (ignored)
+ *             2        Combined hardware interrupt (hw0)
+ *             3        Hardware
+ *             4        Hardware
+ *             5        Hardware
+ *             6        Hardware
+ *             7        R4k timer
+ */
+
+       .text
+       .set    noreorder
+       .set    noat
+       .align  5
+       NESTED(brcmIRQ, PT_SIZE, sp)
+       SAVE_ALL
+       CLI
+       .set    at
+    .set    noreorder
+
+       jal         brcm_irq_dispatch
+        move   a0, sp
+
+       j           ret_from_irq
+        nop
+               
+       END(brcmIRQ)