/* $NetBSD: mem.c,v 1.5 2008/04/28 20:23:19 martin Exp $ */ /*- * Copyright (c) 2004 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by UCHIYAMA Yasushi. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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. */ #include #include #include #include #include "local.h" #include "cmd.h" /* * Dump 350 GA-ROM * >> mem g 0xf7e00000 4 4 0x8000 garom.bin */ void mem_write(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); void mem_read(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); bool __ga_rom; int cmd_mem(int argc, char *argp[], int interactive) { const char *filename = 0; struct bfs *bfs; uint32_t a[4], v; int i, c; size_t size; void *p; if (argc < 6) goto error; for (i = 0; i < 4; i++) a[i] = strtoul(argp[2 + i], 0, 0); c = *argp[1]; if (c == 'g') { size = a[3]; /* GA-ROM special */ __ga_rom = true; } else { size = a[1] * a[3]; __ga_rom = false; } p = 0; if ((c == 'd') || (c == 'b') || (c == 'g')) { if (argc < 7) goto error; filename = argp[6]; if (strlen(filename) > BFS_FILENAME_MAXLEN) { printf("too long filename. (max %d)\n", BFS_FILENAME_MAXLEN); return 1; } if ((p = alloc(size)) == 0) { printf("can't allocate buffer.\n"); return 1; } if (bfs_init(&bfs) != 0) { printf("no BFS partition.\n"); dealloc(p, size); return 1; } } switch (c) { default: goto error; case 'r': mem_read(a[0], a[1], a[2], a[3], 0); break; case 'w': if (argc < 7) goto error; v = strtoul(argp[6], 0, 0); mem_write(a[0], a[1], a[2], a[3], (uint32_t)&v); break; case 'd': mem_read(a[0], a[1], a[2], a[3], (uint32_t)p); if (bfs_file_write(bfs, filename, p, size) != 0) printf("BFS write failed.\n"); bfs_fini(bfs); break; case 'b': if (bfs_file_read(bfs, filename, p, size, 0) != 0) printf("BFS read failed.\n"); else mem_write(a[0], a[1], a[2], a[3], (uint32_t)p); bfs_fini(bfs); break; case 'g': /* GA-ROM special */ mem_read(a[0], a[1], a[2], a[3], (uint32_t)p); if (bfs_file_write(bfs, filename, p, size) != 0) printf("BFS write failed.\n"); bfs_fini(bfs); break; } return 0; error: printf("mem r addr access_byte stride count\n"); printf("mem w addr access_byte stride count value\n"); printf("mem d addr access_byte stride count filename\n"); printf("mem b addr access_byte stride count filename\n"); printf("mem g addr access_byte stride count filename (GA-ROM only)\n"); return 1; } void mem_write(uint32_t dst_addr, uint32_t access, uint32_t stride, uint32_t count, uint32_t src_addr) { int i; printf("write: addr=%p access=%dbyte stride=%dbyte count=%d Y/N?", (void *)dst_addr, access, stride, count); if (!prompt_yesno(1)) return; switch (access) { default: printf("invalid %dbyte access.\n", access); break; case 1: if (count == 1) printf("%p = 0x%x\n", (uint8_t *)dst_addr, *(uint8_t *)src_addr); for (i = 0; i < count; i++, dst_addr += stride, src_addr += stride) { *(uint8_t *)dst_addr = *(uint8_t *)src_addr; } case 2: if (count == 1) printf("%p = 0x%x\n", (uint16_t *)dst_addr, *(uint16_t *)src_addr); for (i = 0; i < count; i++, dst_addr += stride, src_addr += stride) { *(uint16_t *)dst_addr = *(uint16_t *)src_addr; } case 4: if (count == 1) printf("%p = 0x%x\n", (uint32_t *)dst_addr, *(uint32_t *)src_addr); for (i = 0; i < count; i++, dst_addr += stride, src_addr += stride) { *(uint32_t *)dst_addr = *(uint32_t *)src_addr; } } } void mem_read(uint32_t src_addr, uint32_t access, uint32_t stride, uint32_t count, uint32_t dst_addr) { uint32_t v = 0; int i; printf("read: addr=%p access=%dbyte stride=%dbyte count=%d. Y/N?\n", (void *)src_addr, access, stride, count); if (!prompt_yesno(1)) return; if (dst_addr == 0) { for (i = 0; i < count; i++) { switch (access) { default: printf("invalid %dbyte access.\n", access); break; case 1: v = *(uint8_t *)src_addr; break; case 2: v = *(uint16_t *)src_addr; break; case 4: v = *(uint32_t *)src_addr; break; } printf("%p: > 0x%x\n", (void *)src_addr, v); src_addr += stride; } } else { switch (access) { default: printf("invalid %dbyte access.\n", access); break; case 1: for (i = 0; i < count; i++, src_addr += stride, dst_addr += stride) *(uint8_t *)dst_addr = *(uint8_t *)src_addr; break; case 2: for (i = 0; i < count; i++, src_addr += stride, dst_addr += stride) *(uint16_t *)dst_addr = *(uint16_t *)src_addr; break; case 4: if (__ga_rom) { for (i = 0; i < count; i++, src_addr += 4, dst_addr += 1) *(uint8_t *)dst_addr = *(uint32_t *)src_addr; } else { for (i = 0; i < count; i++, src_addr += stride, dst_addr += stride) *(uint32_t *)dst_addr = *(uint32_t *)src_addr; } break; } } printf("done.\n"); }