diff options
Diffstat (limited to 'src/target')
| -rw-r--r-- | src/target/arm_adi_v5.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/target/arm_adi_v5.c b/src/target/arm_adi_v5.c index 0a6a7ef7..0e3b3495 100644 --- a/src/target/arm_adi_v5.c +++ b/src/target/arm_adi_v5.c @@ -8,6 +8,8 @@ * Copyright (C) 2009 by Oyvind Harboe * * oyvind.harboe@zylin.com * * * + * Copyright (C) 2009-2010 by David Brownell * + * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * @@ -1164,7 +1166,8 @@ is_dap_cid_ok(uint32_t cid3, uint32_t cid2, uint32_t cid1, uint32_t cid0) && ((cid1 & 0x0f) == 0) && cid0 == 0x0d; } -int dap_info_command(struct command_context *cmd_ctx, struct swjdp_common *swjdp, int apsel) +int dap_info_command(struct command_context *cmd_ctx, + struct swjdp_common *swjdp, int apsel) { uint32_t dbgbase, apid; @@ -1172,6 +1175,10 @@ int dap_info_command(struct command_context *cmd_ctx, struct swjdp_common *swjdp uint8_t mem_ap; uint32_t apselold; + /* AP address is in bits 31:24 of DP_SELECT */ + if (apsel >= 256) + return ERROR_INVALID_ARGUMENTS; + apselold = swjdp->apsel; dap_ap_select(swjdp, apsel); dap_ap_read_reg_u32(swjdp, AP_REG_BASE, &dbgbase); @@ -1524,6 +1531,9 @@ DAP_COMMAND_HANDLER(dap_baseaddr_command) break; case 1: COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel); + /* AP address is in bits 31:24 of DP_SELECT */ + if (apsel >= 256) + return ERROR_INVALID_ARGUMENTS; break; default: return ERROR_COMMAND_SYNTAX_ERROR; @@ -1580,6 +1590,9 @@ DAP_COMMAND_HANDLER(dap_apsel_command) break; case 1: COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel); + /* AP address is in bits 31:24 of DP_SELECT */ + if (apsel >= 256) + return ERROR_INVALID_ARGUMENTS; break; default: return ERROR_COMMAND_SYNTAX_ERROR; @@ -1606,6 +1619,9 @@ DAP_COMMAND_HANDLER(dap_apid_command) break; case 1: COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel); + /* AP address is in bits 31:24 of DP_SELECT */ + if (apsel >= 256) + return ERROR_INVALID_ARGUMENTS; break; default: return ERROR_COMMAND_SYNTAX_ERROR; |