Rev 3093 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3093 | svoboda | 1 | /* |
| 2 | * Copyright (c) 2008 Jiri Svoboda |
||
| 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 | |||
| 29 | /** @addtogroup debug |
||
| 30 | * @{ |
||
| 31 | */ |
||
| 32 | /** @file |
||
| 33 | */ |
||
| 34 | |||
| 35 | #include <stdio.h> |
||
| 36 | #include <assert.h> |
||
| 37 | #include <errno.h> |
||
| 38 | #include <sys/types.h> |
||
| 39 | #include <udebug.h> |
||
| 40 | |||
| 3108 | svoboda | 41 | #include "../../main.h" |
| 42 | #include "../../cons.h" |
||
| 43 | #include "bstore.h" |
||
| 3093 | svoboda | 44 | |
| 45 | void bstore_initialize(bstore_t *bs) |
||
| 46 | { |
||
| 47 | bs->valid = false; |
||
| 48 | } |
||
| 49 | |||
| 50 | int bstore_save(bstore_t *bs, uintptr_t addr) |
||
| 51 | { |
||
| 52 | uint32_t v; |
||
| 53 | int rc; |
||
| 54 | |||
| 55 | assert(bs->valid == false); |
||
| 56 | |||
| 57 | rc = udebug_mem_read(app_phone, &v, addr, sizeof(uint32_t)); |
||
| 58 | if (rc == EOK) { |
||
| 59 | bs->valid = true; |
||
| 60 | bs->address = addr; |
||
| 61 | bs->value = v; |
||
| 62 | } else { |
||
| 63 | cons_printf("Error reading memory address 0x%zx\n", addr); |
||
| 64 | } |
||
| 65 | |||
| 66 | return rc; |
||
| 67 | } |
||
| 68 | |||
| 69 | int bstore_push(bstore_t *bs, uintptr_t addr, uint32_t value) |
||
| 70 | { |
||
| 71 | int rc; |
||
| 72 | |||
| 73 | rc = bstore_save(bs, addr); |
||
| 74 | if (rc != EOK) return rc; |
||
| 75 | |||
| 76 | rc = udebug_mem_write(app_phone, &value, addr, sizeof(uint32_t)); |
||
| 77 | if (rc != EOK) { |
||
| 78 | cons_printf("Error writing memory address 0x%zx\n", addr); |
||
| 79 | bstore_empty(bs); |
||
| 80 | return rc; |
||
| 81 | } |
||
| 82 | |||
| 83 | return EOK; |
||
| 84 | } |
||
| 85 | |||
| 86 | int bstore_pop(bstore_t *bs) |
||
| 87 | { |
||
| 88 | int rc; |
||
| 89 | |||
| 90 | assert(bs->valid == true); |
||
| 91 | rc = udebug_mem_write(app_phone, &bs->value, bs->address, |
||
| 92 | sizeof(uint32_t)); |
||
| 93 | |||
| 94 | if (rc == EOK) { |
||
| 95 | bs->valid = false; |
||
| 96 | } else { |
||
| 97 | cons_printf("Error writing memory address 0x%zx\n", |
||
| 98 | bs->address); |
||
| 99 | } |
||
| 100 | |||
| 101 | return rc; |
||
| 102 | } |
||
| 103 | |||
| 104 | void bstore_empty(bstore_t *bs) |
||
| 105 | { |
||
| 106 | assert(bs->valid == true); |
||
| 107 | bs->valid = false; |
||
| 108 | } |
||
| 109 | |||
| 110 | /** @} |
||
| 111 | */ |