| 0,0 → 1,111 |
|---|
| /* |
| * Copyright (c) 2008 Jiri Svoboda |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup debug |
| * @{ |
| */ |
| /** @file |
| */ |
| |
| #include <stdio.h> |
| #include <assert.h> |
| #include <errno.h> |
| #include <sys/types.h> |
| #include <udebug.h> |
| |
| #include "../../main.h" |
| #include "../../cons.h" |
| #include "bstore.h" |
| |
| void bstore_initialize(bstore_t *bs) |
| { |
| bs->valid = false; |
| } |
| |
| int bstore_save(bstore_t *bs, uintptr_t addr) |
| { |
| uint32_t v; |
| int rc; |
| |
| assert(bs->valid == false); |
| |
| rc = udebug_mem_read(app_phone, &v, addr, sizeof(uint32_t)); |
| if (rc == EOK) { |
| bs->valid = true; |
| bs->address = addr; |
| bs->value = v; |
| } else { |
| cons_printf("Error reading memory address 0x%zx\n", addr); |
| } |
| |
| return rc; |
| } |
| |
| int bstore_push(bstore_t *bs, uintptr_t addr, uint32_t value) |
| { |
| int rc; |
| |
| rc = bstore_save(bs, addr); |
| if (rc != EOK) return rc; |
| |
| rc = udebug_mem_write(app_phone, &value, addr, sizeof(uint32_t)); |
| if (rc != EOK) { |
| cons_printf("Error writing memory address 0x%zx\n", addr); |
| bstore_empty(bs); |
| return rc; |
| } |
| |
| return EOK; |
| } |
| |
| int bstore_pop(bstore_t *bs) |
| { |
| int rc; |
| |
| assert(bs->valid == true); |
| rc = udebug_mem_write(app_phone, &bs->value, bs->address, |
| sizeof(uint32_t)); |
| |
| if (rc == EOK) { |
| bs->valid = false; |
| } else { |
| cons_printf("Error writing memory address 0x%zx\n", |
| bs->address); |
| } |
| |
| return rc; |
| } |
| |
| void bstore_empty(bstore_t *bs) |
| { |
| assert(bs->valid == true); |
| bs->valid = false; |
| } |
| |
| /** @} |
| */ |