diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/jazz/int-handler.S | 47 |
1 files changed, 2 insertions, 45 deletions
diff --git a/arch/mips/jazz/int-handler.S b/arch/mips/jazz/int-handler.S index c85992223..f008dfdc6 100644 --- a/arch/mips/jazz/int-handler.S +++ b/arch/mips/jazz/int-handler.S @@ -1,4 +1,4 @@ -/* $Id: int-handler.S,v 1.11 1998/08/26 21:45:46 tsbogend Exp $ +/* $Id: int-handler.S,v 1.12 1998/10/18 13:18:58 tsbogend Exp $ * * 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 @@ -91,51 +91,8 @@ ll_local_dev: lbu t0,JAZZ_IO_IRQ_SOURCE * whistles and bells and we're aware of the problem. */ ll_isa_irq: lw a0,JAZZ_EISA_IRQ_ACK - lui s0,%hi(JAZZ_PORT_BASE) - li s1,1 - andi t0,a0,8 # which pic? - bnez t0,ack_second - andi a0,7 # delay slot - /* - * Acknowledge first pic - */ - lb t2,%lo(JAZZ_PORT_BASE)+0x21(s0) - lui s4,%hi(cache_21) - lb t0,%lo(cache_21)(s4) - sllv s1,s1,a0 - or t0,s1 - sb t0,%lo(cache_21)(s4) - sb t0,%lo(JAZZ_PORT_BASE)+0x21(s0) - li t2,0x20 - sb t2,%lo(JAZZ_PORT_BASE)+0x20(s0) - /* - * Now call the real handler - */ - jal do_IRQ - move a1,sp - j ret_from_irq - nop - - .align 5 -ack_second: /* - * Acknowledge second pic - */ - lbu t2,%lo(JAZZ_PORT_BASE)+0xa1(s0) - lui s4,%hi(cache_A1) - lb t3,%lo(cache_A1)(s4) - sllv s1,s1,a0 - or t3,s1 - sb t3,%lo(cache_A1)(s4) - sb t3,%lo(JAZZ_PORT_BASE)+0xa1(s0) - li t3,0x20 - sb t3,%lo(JAZZ_PORT_BASE)+0xa0(s0) - sb t3,%lo(JAZZ_PORT_BASE)+0x20(s0) - /* - * Now call the real handler - */ - or a0, 8 - jal do_IRQ + jal i8259_do_irq move a1,sp j ret_from_irq |