Rev 1787 | Rev 1861 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 664 | jermar | 1 | /* |
| 2 | * Copyright (C) 2005 Jakub Jermar |
||
| 3 | * All rights reserved. |
||
| 4 | * |
||
| 5 | * Redistribution and use in source and binary forms, with or without |
||
| 6 | * modification, are permitted provided that the following conditions |
||
| 7 | * are met: |
||
| 8 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 13 | * documentation and/or other materials provided with the distribution. |
||
| 14 | * - The name of the author may not be used to endorse or promote products |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | */ |
||
| 28 | |||
| 1705 | cejka | 29 | /** @addtogroup sparc64interrupt |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
||
| 32 | /** @file |
||
| 33 | */ |
||
| 34 | |||
| 664 | jermar | 35 | #include <arch/interrupt.h> |
| 1849 | jermar | 36 | #include <arch/trap/interrupt.h> |
| 664 | jermar | 37 | #include <interrupt.h> |
| 1849 | jermar | 38 | #include <arch/drivers/fhc.h> |
| 747 | jermar | 39 | #include <arch/types.h> |
| 664 | jermar | 40 | #include <debug.h> |
| 1265 | jermar | 41 | #include <ipc/sysipc.h> |
| 1849 | jermar | 42 | #include <arch/asm.h> |
| 43 | #include <arch/barrier.h> |
||
| 664 | jermar | 44 | |
| 1849 | jermar | 45 | #include <genarch/kbd/z8530.h> |
| 46 | |||
| 664 | jermar | 47 | /** Register Interrupt Level Handler. |
| 48 | * |
||
| 49 | * @param n Interrupt Level (1 - 15). |
||
| 50 | * @param name Short descriptive string. |
||
| 51 | * @param f Handler. |
||
| 52 | */ |
||
| 53 | void interrupt_register(int n, const char *name, iroutine f) |
||
| 54 | { |
||
| 55 | ASSERT(n >= IVT_FIRST && n <= IVT_ITEMS); |
||
| 56 | |||
| 57 | exc_register(n - 1, name, f); |
||
| 58 | } |
||
| 1265 | jermar | 59 | |
| 60 | /* Reregister irq to be IPC-ready */ |
||
| 1780 | jermar | 61 | void irq_ipc_bind_arch(unative_t irq) |
| 1265 | jermar | 62 | { |
| 63 | panic("not implemented\n"); |
||
| 64 | /* TODO */ |
||
| 65 | } |
||
| 1702 | cejka | 66 | |
| 1849 | jermar | 67 | void interrupt(void) |
| 68 | { |
||
| 69 | uint64_t intrcv; |
||
| 70 | uint64_t data0; |
||
| 71 | |||
| 72 | intrcv = asi_u64_read(ASI_INTR_RECEIVE, 0); |
||
| 73 | data0 = asi_u64_read(ASI_UDB_INTR_R, ASI_UDB_INTR_R_DATA_0); |
||
| 74 | |||
| 75 | switch (data0) { |
||
| 76 | #ifdef CONFIG_Z8530 |
||
| 77 | case Z8530_INTRCV_DATA0: |
||
| 78 | /* |
||
| 79 | * So far, we know we got this interrupt through the FHC. |
||
| 80 | * Since we don't have enough information about the FHC and |
||
| 81 | * because the interrupt looks like level sensitive, |
||
| 82 | * we cannot handle it by scheduling one of the level |
||
| 83 | * interrupt traps. Call the interrupt handler directly. |
||
| 84 | */ |
||
| 85 | fhc_uart_reset(); |
||
| 86 | z8530_interrupt(); |
||
| 87 | break; |
||
| 88 | #endif |
||
| 89 | } |
||
| 90 | |||
| 91 | membar(); |
||
| 92 | asi_u64_write(ASI_INTR_RECEIVE, 0, 0); |
||
| 93 | } |
||
| 94 | |||
| 1703 | jermar | 95 | /** @} |
| 1702 | cejka | 96 | */ |