diff options
Diffstat (limited to 'arch/mips/gt64120/wrppmc/int-handler.S')
| -rw-r--r-- | arch/mips/gt64120/wrppmc/int-handler.S | 59 |
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 edee7b394175..000000000000 --- a/arch/mips/gt64120/wrppmc/int-handler.S +++ /dev/null | |||
| @@ -1,59 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 3 | * License. See the file "COPYING" in the main directory of this archive | ||
| 4 | * for more details. | ||
| 5 | * | ||
| 6 | * Copyright (C) 1995, 1996, 1997, 2003 by Ralf Baechle | ||
| 7 | * Copyright (C) Wind River System Inc. Rongkai.Zhan <rongkai.zhan@windriver.com> | ||
| 8 | */ | ||
| 9 | #include <asm/asm.h> | ||
| 10 | #include <asm/mipsregs.h> | ||
| 11 | #include <asm/addrspace.h> | ||
| 12 | #include <asm/regdef.h> | ||
| 13 | #include <asm/stackframe.h> | ||
| 14 | #include <asm/mach-wrppmc/mach-gt64120.h> | ||
| 15 | |||
| 16 | .align 5 | ||
| 17 | .set noat | ||
| 18 | NESTED(handle_IRQ, PT_SIZE, sp) | ||
| 19 | SAVE_ALL | ||
| 20 | CLI # Important: mark KERNEL mode ! | ||
| 21 | .set at | ||
| 22 | |||
| 23 | mfc0 t0, CP0_CAUSE # get pending interrupts | ||
| 24 | mfc0 t1, CP0_STATUS # get enabled interrupts | ||
| 25 | and t0, t0, t1 # get allowed interrupts | ||
| 26 | andi t0, t0, 0xFF00 | ||
| 27 | beqz t0, 1f | ||
| 28 | move a1, sp # Prepare 'struct pt_regs *regs' pointer | ||
| 29 | |||
| 30 | andi t1, t0, CAUSEF_IP7 # CPU Compare/Count internal timer | ||
| 31 | bnez t1, handle_cputimer_irq | ||
| 32 | andi t1, t0, CAUSEF_IP6 # UART 16550 port | ||
| 33 | bnez t1, handle_uart_irq | ||
| 34 | andi t1, t0, CAUSEF_IP3 # PCI INT_A | ||
| 35 | bnez t1, handle_pci_intA_irq | ||
| 36 | |||
| 37 | /* wrong alarm or masked ... */ | ||
| 38 | 1: j spurious_interrupt | ||
| 39 | nop | ||
| 40 | END(handle_IRQ) | ||
| 41 | |||
| 42 | .align 5 | ||
| 43 | handle_cputimer_irq: | ||
| 44 | li a0, WRPPMC_MIPS_TIMER_IRQ | ||
| 45 | jal do_IRQ | ||
| 46 | j ret_from_irq | ||
| 47 | |||
| 48 | .align 5 | ||
| 49 | handle_uart_irq: | ||
| 50 | li a0, WRPPMC_UART16550_IRQ | ||
| 51 | jal do_IRQ | ||
| 52 | j ret_from_irq | ||
| 53 | |||
| 54 | .align 5 | ||
| 55 | handle_pci_intA_irq: | ||
| 56 | li a0, WRPPMC_PCI_INTA_IRQ | ||
| 57 | jal do_IRQ | ||
| 58 | j ret_from_irq | ||
| 59 | |||