aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/gt64120/wrppmc/int-handler.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/gt64120/wrppmc/int-handler.S')
-rw-r--r--arch/mips/gt64120/wrppmc/int-handler.S59
1 files changed, 0 insertions, 59 deletions
diff --git a/arch/mips/gt64120/wrppmc/int-handler.S b/arch/mips/gt64120/wrppmc/int-handler.S
deleted file mode 100644
index edee7b3..0000000
--- a/arch/mips/gt64120/wrppmc/int-handler.S
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1995, 1996, 1997, 2003 by Ralf Baechle
- * Copyright (C) Wind River System Inc. Rongkai.Zhan <rongkai.zhan@windriver.com>
- */
-#include <asm/asm.h>
-#include <asm/mipsregs.h>
-#include <asm/addrspace.h>
-#include <asm/regdef.h>
-#include <asm/stackframe.h>
-#include <asm/mach-wrppmc/mach-gt64120.h>
-
- .align 5
- .set noat
-NESTED(handle_IRQ, PT_SIZE, sp)
- SAVE_ALL
- CLI # Important: mark KERNEL mode !
- .set at
-
- mfc0 t0, CP0_CAUSE # get pending interrupts
- mfc0 t1, CP0_STATUS # get enabled interrupts
- and t0, t0, t1 # get allowed interrupts
- andi t0, t0, 0xFF00
- beqz t0, 1f
- move a1, sp # Prepare 'struct pt_regs *regs' pointer
-
- andi t1, t0, CAUSEF_IP7 # CPU Compare/Count internal timer
- bnez t1, handle_cputimer_irq
- andi t1, t0, CAUSEF_IP6 # UART 16550 port
- bnez t1, handle_uart_irq
- andi t1, t0, CAUSEF_IP3 # PCI INT_A
- bnez t1, handle_pci_intA_irq
-
- /* wrong alarm or masked ... */
-1: j spurious_interrupt
- nop
-END(handle_IRQ)
-
- .align 5
-handle_cputimer_irq:
- li a0, WRPPMC_MIPS_TIMER_IRQ
- jal do_IRQ
- j ret_from_irq
-
- .align 5
-handle_uart_irq:
- li a0, WRPPMC_UART16550_IRQ
- jal do_IRQ
- j ret_from_irq
-
- .align 5
-handle_pci_intA_irq:
- li a0, WRPPMC_PCI_INTA_IRQ
- jal do_IRQ
- j ret_from_irq
-