diff options
Diffstat (limited to 'src/target/mips32.c')
| -rw-r--r-- | src/target/mips32.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/target/mips32.c b/src/target/mips32.c index 1aaa6d6d..55c197b7 100644 --- a/src/target/mips32.c +++ b/src/target/mips32.c @@ -300,6 +300,9 @@ int mips32_init_arch_info(struct target *target, struct mips32_common *mips32, s mips32->read_core_reg = mips32_read_core_reg; mips32->write_core_reg = mips32_write_core_reg; + mips32->ejtag_info.scan_delay = 2000000; /* Initial default value */ + mips32->ejtag_info.mode = 0; /* Initial default value */ + return ERROR_OK; } @@ -779,6 +782,29 @@ COMMAND_HANDLER(mips32_handle_cp0_command) return ERROR_OK; } +COMMAND_HANDLER(mips32_handle_scan_delay_command) +{ + struct target *target = get_current_target(CMD_CTX); + struct mips32_common *mips32 = target_to_mips32(target); + struct mips_ejtag *ejtag_info = &mips32->ejtag_info; + + if (CMD_ARGC == 1) + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], ejtag_info->scan_delay); + else if (CMD_ARGC > 1) + return ERROR_COMMAND_SYNTAX_ERROR; + + command_print(CMD_CTX, "scan delay: %d nsec", ejtag_info->scan_delay); + if (ejtag_info->scan_delay >= 2000000) { + ejtag_info->mode = 0; + command_print(CMD_CTX, "running in legacy mode"); + } else { + ejtag_info->mode = 1; + command_print(CMD_CTX, "running in fast queued mode"); + } + + return ERROR_OK; +} + static const struct command_registration mips32_exec_command_handlers[] = { { .name = "cp0", @@ -787,6 +813,13 @@ static const struct command_registration mips32_exec_command_handlers[] = { .usage = "regnum select [value]", .help = "display/modify cp0 register", }, + { + .name = "scan_delay", + .handler = mips32_handle_scan_delay_command, + .mode = COMMAND_ANY, + .help = "display/set scan delay in nano seconds", + .usage = "[value]", + }, COMMAND_REGISTRATION_DONE }; |