H33919 s 00114/00000/00000 d D 1.1 02/03/13 20:31:03 patch 2 1 cC cF1 cK65014 cO-rw-rw-r-- e s 00000/00000/00000 d D 1.0 02/03/13 20:31:03 patch 1 0 c BitKeeper file /home/marcelo/bk/linux-2.4/arch/mips/galileo-boards/ev64120/int-handler.S cBtorvalds@athlon.transmeta.com|ChangeSet|20020205173056|16047|c1d11a41ed024864 cHplucky.distro.conectiva cK20273 cParch/mips/galileo-boards/ev64120/int-handler.S cR706dd57a8943b272 cV4 cX0x821 cZ-03:00 e u U f e 0 f x 0x821 t T I 2 /* * int-handler.S * * Based on the cobalt handler. */ #include #include #include #include #include #include /* * galileo_handle_int - * We check for the timer first, then check PCI ints A and D. * Then check for serial IRQ and fall through. */ .align 5 .set reorder .set noat NESTED(galileo_handle_int, PT_SIZE, sp) SAVE_ALL CLI .set at mfc0 t0,CP0_CAUSE mfc0 t2,CP0_STATUS and t0,t2 andi t1,t0,STATUSF_IP4 /* int2 hardware line (timer) */ bnez t1,ll_galileo_irq andi t1,t0,STATUSF_IP2 /* int0 hardware line */ bnez t1,ll_pci_intA andi t1,t0,STATUSF_IP5 /* int3 hardware line */ bnez t1,ll_pci_intD andi t1,t0,STATUSF_IP6 /* int4 hardware line */ bnez t1,ll_serial_irq andi t1,t0,STATUSF_IP7 /* compare int */ bnez t1,ll_compare_irq nop /* wrong alarm or masked ... */ j spurious_interrupt nop END(galileo_handle_int) .align 5 .set reorder ll_galileo_irq: li a0,4 move a1,sp jal do_IRQ nop j ret_from_irq nop .align 5 .set reorder ll_compare_irq: li a0,7 move a1,sp jal do_IRQ nop j ret_from_irq nop .align 5 .set reorder ll_pci_intA: move a0,sp jal pci_intA nop j ret_from_irq nop #if 0 .align 5 .set reorder ll_pci_intB: move a0,sp jal pci_intB nop j ret_from_irq nop .align 5 .set reorder ll_pci_intC: move a0,sp jal pci_intC nop j ret_from_irq nop #endif .align 5 .set reorder ll_pci_intD: move a0,sp jal pci_intD nop j ret_from_irq nop .align 5 .set reorder ll_serial_irq: li a0,6 move a1,sp jal do_IRQ nop j ret_from_irq nop E 2 I 1 E 1