X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Farm11.c;h=936edd818fc23a5dc22aa88b0b1ef9181f99bfce;hp=970ffa2c2160f25518037e89f26ad7f51c96f9ff;hb=f4788652e45662d1e43933dc0620561bc4cddae0;hpb=0f1163e823c6ca3c2a81fa296157f5dde0635fea diff --git a/src/target/arm11.c b/src/target/arm11.c index 970ffa2c21..936edd818f 100644 --- a/src/target/arm11.c +++ b/src/target/arm11.c @@ -26,12 +26,14 @@ #include "config.h" #endif -#include "arm11.h" +#include "etm.h" +#include "breakpoints.h" #include "arm11_dbgtap.h" -#include "armv4_5.h" #include "arm_simulator.h" #include "time_support.h" #include "target_type.h" +#include "algorithm.h" +#include "register.h" #if 0 @@ -56,8 +58,6 @@ static uint32_t arm11_vcr = 0; static bool arm11_config_step_irq_enable = false; static bool arm11_config_hardware_step = false; -static int arm11_regs_arch_type = -1; - enum arm11_regtype { ARM11_REGISTER_CORE, @@ -246,18 +246,33 @@ enum arm11_regcache_ids #define ARM11_GDB_REGISTER_COUNT 26 -static uint8_t arm11_gdb_dummy_fp_value[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; +/* FIXME these are *identical* to the ARMv4_5 dummies ... except + * for their names, and being static vs global, and having different + * addresses. Ditto ARMv7a and ARMv7m dummies. + */ + +static uint8_t arm11_gdb_dummy_fp_value[12]; static struct reg arm11_gdb_dummy_fp_reg = { - "GDB dummy floating-point register", arm11_gdb_dummy_fp_value, 0, 1, 96, NULL, 0, NULL, 0 + .name = "GDB dummy floating-point register", + .value = arm11_gdb_dummy_fp_value, + .dirty = 0, + .valid = 1, + .size = 96, + .arch_info = NULL, }; -static uint8_t arm11_gdb_dummy_fps_value[] = {0, 0, 0, 0}; +static uint8_t arm11_gdb_dummy_fps_value[4]; static struct reg arm11_gdb_dummy_fps_reg = { - "GDB dummy floating-point status register", arm11_gdb_dummy_fps_value, 0, 1, 32, NULL, 0, NULL, 0 + .name = "GDB dummy floating-point status register", + .value = arm11_gdb_dummy_fps_value, + .dirty = 0, + .valid = 1, + .size = 32, + .arch_info = NULL, }; @@ -343,7 +358,7 @@ static int arm11_on_enter_debug_state(struct arm11_common *arm11) int retval; FNC_INFO; - for (size_t i = 0; i < asizeof(arm11->reg_values); i++) + for (size_t i = 0; i < ARRAY_SIZE(arm11->reg_values); i++) { arm11->reg_list[i].valid = 1; arm11->reg_list[i].dirty = 0; @@ -366,7 +381,7 @@ static int arm11_on_enter_debug_state(struct arm11_common *arm11) arm11_setup_field(arm11, 1, NULL, NULL, chain5_fields + 1); arm11_setup_field(arm11, 1, NULL, NULL, chain5_fields + 2); - arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, TAP_DRPAUSE); + arm11_add_dr_scan_vc(ARRAY_SIZE(chain5_fields), chain5_fields, TAP_DRPAUSE); } else { @@ -646,7 +661,7 @@ static int arm11_leave_debug_state(struct arm11_common *arm11) arm11_setup_field(arm11, 1, &Ready, NULL, chain5_fields + 1); arm11_setup_field(arm11, 1, &Valid, NULL, chain5_fields + 2); - arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, TAP_DRPAUSE); + arm11_add_dr_scan_vc(ARRAY_SIZE(chain5_fields), chain5_fields, TAP_DRPAUSE); } arm11_record_register_history(arm11); @@ -672,9 +687,7 @@ static int arm11_poll(struct target *target) { FNC_INFO; int retval; - - struct arm11_common * arm11 = target->arch_info; - + struct arm11_common *arm11 = target_to_arm11(target); uint32_t dscr; CHECK_RETVAL(arm11_read_DSCR(arm11, &dscr)); @@ -715,7 +728,7 @@ static int arm11_poll(struct target *target) /* architecture specific status reply */ static int arm11_arch_state(struct target *target) { - struct arm11_common * arm11 = target->arch_info; + struct arm11_common *arm11 = target_to_arm11(target); LOG_USER("target halted due to %s\ncpsr: 0x%8.8" PRIx32 " pc: 0x%8.8" PRIx32 "", Jim_Nvp_value2name_simple(nvp_target_debug_reason, target->debug_reason)->name, @@ -738,8 +751,7 @@ static int arm11_target_request_data(struct target *target, static int arm11_halt(struct target *target) { FNC_INFO; - - struct arm11_common * arm11 = target->arch_info; + struct arm11_common *arm11 = target_to_arm11(target); LOG_DEBUG("target->state: %s", target_state_name(target)); @@ -808,7 +820,7 @@ static int arm11_resume(struct target *target, int current, // LOG_DEBUG("current %d address %08x handle_breakpoints %d debug_execution %d", // current, address, handle_breakpoints, debug_execution); - struct arm11_common * arm11 = target->arch_info; + struct arm11_common *arm11 = target_to_arm11(target); LOG_DEBUG("target->state: %s", target_state_name(target)); @@ -860,7 +872,7 @@ static int arm11_resume(struct target *target, int current, brp[1].address = ARM11_SC7_BCR0 + brp_num; brp[1].value = 0x1 | (3 << 1) | (0x0F << 5) | (0 << 14) | (0 << 16) | (0 << 20) | (0 << 21); - arm11_sc7_run(arm11, brp, asizeof(brp)); + arm11_sc7_run(arm11, brp, ARRAY_SIZE(brp)); LOG_DEBUG("Add BP " ZU " at %08" PRIx32 "", brp_num, bp->address); @@ -1027,7 +1039,7 @@ static int arm11_step(struct target *target, int current, return ERROR_TARGET_NOT_HALTED; } - struct arm11_common * arm11 = target->arch_info; + struct arm11_common *arm11 = target_to_arm11(target); if (!current) R(PC) = address; @@ -1103,7 +1115,7 @@ static int arm11_step(struct target *target, int current, brp[1].value = 0x1 | (3 << 1) | (0x0F << 5) | (0 << 14) | (0 << 16) | (0 << 20) | (0 << 21); } - CHECK_RETVAL(arm11_sc7_run(arm11, brp, asizeof(brp))); + CHECK_RETVAL(arm11_sc7_run(arm11, brp, ARRAY_SIZE(brp))); /* resume */ @@ -1173,8 +1185,8 @@ static int arm11_assert_reset(struct target *target) { FNC_INFO; int retval; + struct arm11_common *arm11 = target_to_arm11(target); - struct arm11_common * arm11 = target->arch_info; retval = arm11_check_init(arm11, NULL); if (retval != ERROR_OK) return retval; @@ -1248,8 +1260,7 @@ static int arm11_get_gdb_reg_list(struct target *target, struct reg **reg_list[], int *reg_list_size) { FNC_INFO; - - struct arm11_common * arm11 = target->arch_info; + struct arm11_common *arm11 = target_to_arm11(target); *reg_list_size = ARM11_GDB_REGISTER_COUNT; *reg_list = malloc(sizeof(struct reg*) * ARM11_GDB_REGISTER_COUNT); @@ -1297,7 +1308,7 @@ static int arm11_read_memory_inner(struct target *target, LOG_DEBUG("ADDR %08" PRIx32 " SIZE %08" PRIx32 " COUNT %08" PRIx32 "", address, size, count); - struct arm11_common * arm11 = target->arch_info; + struct arm11_common *arm11 = target_to_arm11(target); retval = arm11_run_instr_data_prepare(arm11); if (retval != ERROR_OK) @@ -1393,7 +1404,7 @@ static int arm11_write_memory_inner(struct target *target, LOG_DEBUG("ADDR %08" PRIx32 " SIZE %08" PRIx32 " COUNT %08" PRIx32 "", address, size, count); - struct arm11_common * arm11 = target->arch_info; + struct arm11_common *arm11 = target_to_arm11(target); retval = arm11_run_instr_data_prepare(arm11); if (retval != ERROR_OK) @@ -1538,16 +1549,6 @@ static int arm11_bulk_write_memory(struct target *target, return arm11_write_memory(target, address, 4, count, buffer); } -/* here we have nothing target specific to contribute, so we fail and then the - * fallback code will read data from the target and calculate the CRC on the - * host. - */ -static int arm11_checksum_memory(struct target *target, - uint32_t address, uint32_t count, uint32_t* checksum) -{ - return ERROR_FAIL; -} - /* target break-/watchpoint control * rw: 0 = write, 1 = read, 2 = access */ @@ -1555,8 +1556,7 @@ static int arm11_add_breakpoint(struct target *target, struct breakpoint *breakpoint) { FNC_INFO; - - struct arm11_common * arm11 = target->arch_info; + struct arm11_common *arm11 = target_to_arm11(target); #if 0 if (breakpoint->type == BKPT_SOFT) @@ -1587,8 +1587,7 @@ static int arm11_remove_breakpoint(struct target *target, struct breakpoint *breakpoint) { FNC_INFO; - - struct arm11_common * arm11 = target->arch_info; + struct arm11_common *arm11 = target_to_arm11(target); arm11->free_brps++; @@ -1619,7 +1618,7 @@ static int arm11_run_algorithm(struct target *target, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info) { - struct arm11_common *arm11 = target->arch_info; + struct arm11_common *arm11 = target_to_arm11(target); // enum armv4_5_state core_state = arm11->core_state; // enum armv4_5_mode core_mode = arm11->core_mode; uint32_t context[16]; @@ -1661,13 +1660,13 @@ static int arm11_run_algorithm(struct target *target, if (!reg) { LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name); - exit(-1); + return ERROR_INVALID_ARGUMENTS; } if (reg->size != reg_params[i].size) { LOG_ERROR("BUG: register '%s' size doesn't match reg_params[i].size", reg_params[i].reg_name); - exit(-1); + return ERROR_INVALID_ARGUMENTS; } arm11_set_reg(reg,reg_params[i].value); // printf("%i: Set %s =%08x\n", i, reg_params[i].reg_name,val); @@ -1746,13 +1745,15 @@ static int arm11_run_algorithm(struct target *target, if (!reg) { LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name); - exit(-1); + retval = ERROR_INVALID_ARGUMENTS; + goto del_breakpoint; } if (reg->size != reg_params[i].size) { LOG_ERROR("BUG: register '%s' size doesn't match reg_params[i].size", reg_params[i].reg_name); - exit(-1); + retval = ERROR_INVALID_ARGUMENTS; + goto del_breakpoint; } buf_set_u32(reg_params[i].value, 0, 32, buf_get_u32(reg->value, 0, 32)); @@ -1796,12 +1797,18 @@ static int arm11_target_create(struct target *target, Jim_Interp *interp) return ERROR_COMMAND_SYNTAX_ERROR; } - target->arch_info = arm11; + armv4_5_init_arch_info(target, &arm11->arm); + + arm11->jtag_info.tap = target->tap; + arm11->jtag_info.scann_size = 5; + arm11->jtag_info.scann_instr = ARM11_SCAN_N; + /* cur_scan_chain == 0 */ + arm11->jtag_info.intest_instr = ARM11_INTEST; return ERROR_OK; } -static int arm11_init_target(struct command_context_s *cmd_ctx, +static int arm11_init_target(struct command_context *cmd_ctx, struct target *target) { /* Initialize anything we can set up without talking to the target */ @@ -1814,8 +1821,7 @@ static int arm11_examine(struct target *target) int retval; FNC_INFO; - - struct arm11_common * arm11 = target->arch_info; + struct arm11_common *arm11 = target_to_arm11(target); /* check IDCODE */ @@ -1838,7 +1844,7 @@ static int arm11_examine(struct target *target) arm11_setup_field(arm11, 32, NULL, &arm11->didr, chain0_fields + 0); arm11_setup_field(arm11, 8, NULL, &arm11->implementor, chain0_fields + 1); - arm11_add_dr_scan_vc(asizeof(chain0_fields), chain0_fields, TAP_IDLE); + arm11_add_dr_scan_vc(ARRAY_SIZE(chain0_fields), chain0_fields, TAP_IDLE); CHECK_RETVAL(jtag_execute_queue()); @@ -1848,11 +1854,9 @@ static int arm11_examine(struct target *target) case 0x07B56000: LOG_INFO("found ARM1156"); break; case 0x07B76000: LOG_INFO("found ARM1176"); break; default: - { LOG_ERROR("'target arm11' expects IDCODE 0x*7B*7****"); return ERROR_FAIL; } - } arm11->debug_version = (arm11->didr >> 16) & 0x0F; @@ -1884,6 +1888,14 @@ static int arm11_examine(struct target *target) if (retval != ERROR_OK) return retval; + /* ETM on ARM11 still uses original scanchain 6 access mode */ + if (arm11->arm.etm && !target_was_examined(target)) { + *register_get_last_cache_p(&target->reg_cache) = + etm_build_reg_cache(target, &arm11->jtag_info, + arm11->arm.etm); + retval = etm_setup(target); + } + target_set_examined(target); return ERROR_OK; @@ -1906,8 +1918,8 @@ static int arm11_get_reg(struct reg *reg) /** \todo TODO: Check this. We assume that all registers are fetched at debug entry. */ #if 0 - struct arm11_common *arm11 = target->arch_info; - const struct arm11_reg_defs * arm11_reg_info = arm11_reg_defs + ((struct arm11_reg_state *)reg->arch_info)->def_index; + struct arm11_common *arm11 = target_to_arm11(target); + const struct arm11_reg_defs *arm11_reg_info = arm11_reg_defs + ((struct arm11_reg_state *)reg->arch_info)->def_index; #endif return ERROR_OK; @@ -1918,9 +1930,9 @@ static int arm11_set_reg(struct reg *reg, uint8_t *buf) { FNC_INFO; - struct target * target = ((struct arm11_reg_state *)reg->arch_info)->target; - struct arm11_common *arm11 = target->arch_info; -// const struct arm11_reg_defs * arm11_reg_info = arm11_reg_defs + ((struct arm11_reg_state *)reg->arch_info)->def_index; + struct target *target = ((struct arm11_reg_state *)reg->arch_info)->target; + struct arm11_common *arm11 = target_to_arm11(target); +// const struct arm11_reg_defs *arm11_reg_info = arm11_reg_defs + ((struct arm11_reg_state *)reg->arch_info)->def_index; arm11->reg_values[((struct arm11_reg_state *)reg->arch_info)->def_index] = buf_get_u32(buf, 0, 32); reg->valid = 1; @@ -1929,17 +1941,19 @@ static int arm11_set_reg(struct reg *reg, uint8_t *buf) return ERROR_OK; } +static const struct reg_arch_type arm11_reg_type = { + .get = arm11_get_reg, + .set = arm11_set_reg, +}; + static int arm11_build_reg_cache(struct target *target) { - struct arm11_common *arm11 = target->arch_info; + struct arm11_common *arm11 = target_to_arm11(target); NEW(struct reg_cache, cache, 1); NEW(struct reg, reg_list, ARM11_REGCACHE_COUNT); NEW(struct arm11_reg_state, arm11_reg_states, ARM11_REGCACHE_COUNT); - if (arm11_regs_arch_type == -1) - arm11_regs_arch_type = register_reg_arch_type(arm11_get_reg, arm11_set_reg); - register_init_dummy(&arm11_gdb_dummy_fp_reg); register_init_dummy(&arm11_gdb_dummy_fps_reg); @@ -1960,11 +1974,11 @@ static int arm11_build_reg_cache(struct target *target) size_t i; /* Not very elegant assertion */ - if (ARM11_REGCACHE_COUNT != asizeof(arm11->reg_values) || - ARM11_REGCACHE_COUNT != asizeof(arm11_reg_defs) || + if (ARM11_REGCACHE_COUNT != ARRAY_SIZE(arm11->reg_values) || + ARM11_REGCACHE_COUNT != ARRAY_SIZE(arm11_reg_defs) || ARM11_REGCACHE_COUNT != ARM11_RC_MAX) { - LOG_ERROR("BUG: arm11->reg_values inconsistent (%d " ZU " " ZU " %d)", ARM11_REGCACHE_COUNT, asizeof(arm11->reg_values), asizeof(arm11_reg_defs), ARM11_RC_MAX); + LOG_ERROR("BUG: arm11->reg_values inconsistent (%d " ZU " " ZU " %d)", ARM11_REGCACHE_COUNT, ARRAY_SIZE(arm11->reg_values), ARRAY_SIZE(arm11_reg_defs), ARM11_RC_MAX); exit(-1); } @@ -1979,9 +1993,7 @@ static int arm11_build_reg_cache(struct target *target) r->value = (uint8_t *)(arm11->reg_values + i); r->dirty = 0; r->valid = 0; - r->bitfield_desc = NULL; - r->num_bitfields = 0; - r->arch_type = arm11_regs_arch_type; + r->type = &arm11_reg_type; r->arch_info = rs; rs->def_index = i; @@ -2064,42 +2076,18 @@ static const uint32_t arm11_coproc_instruction_limits[] = 0xFFFFFFFF, /* value */ }; -static struct arm11_common * arm11_find_target(const char * arg) -{ - struct jtag_tap * tap; - struct target * t; - - tap = jtag_tap_by_string(arg); - - if (!tap) - return 0; - - for (t = all_targets; t; t = t->next) - { - if (t->tap != tap) - continue; - - /* if (t->type == arm11_target) */ - if (0 == strcmp(target_get_name(t), "arm11")) - return t->arch_info; - } - - return 0; -} - static int arm11_mrc_inner(struct target *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value, bool read) { int retval; - + struct arm11_common *arm11 = target_to_arm11(target); + if (target->state != TARGET_HALTED) { LOG_ERROR("Target not halted"); return ERROR_FAIL; } - - struct arm11_common * arm11 = target->arch_info; uint32_t instr = 0xEE000010 | (cpnum << 8) | @@ -2143,119 +2131,17 @@ static int arm11_mcr(struct target *target, int cpnum, return arm11_mrc_inner(target, cpnum, op1, op2, CRn, CRm, &value, false); } -static COMMAND_HELPER(arm11_handle_etm_read_write, bool read) -{ - if (argc != (read ? 2 : 3)) - { - LOG_ERROR("Invalid number of arguments."); - return ERROR_COMMAND_SYNTAX_ERROR; - } - - struct arm11_common * arm11 = arm11_find_target(args[0]); - - if (!arm11) - { - LOG_ERROR("Parameter 1 is not the target name of an ARM11 device."); - return ERROR_COMMAND_SYNTAX_ERROR; - } - - uint32_t address; - COMMAND_PARSE_NUMBER(u32, args[1], address); - - if (!read) - { - uint32_t value; - COMMAND_PARSE_NUMBER(u32, args[2], value); - - LOG_INFO("ETM write register 0x%02" PRIx32 " (%" PRId32 ") = 0x%08" PRIx32 " (%" PRId32 ")", - address, address, value, value); - - CHECK_RETVAL(arm11_write_etm(arm11, address, value)); - } - else - { - uint32_t value; - - CHECK_RETVAL(arm11_read_etm(arm11, address, &value)); - - LOG_INFO("ETM read register 0x%02" PRIx32 " (%" PRId32 ") = 0x%08" PRIx32 " (%" PRId32 ")", - address, address, value, value); - } - - return ERROR_OK; -} - -COMMAND_HANDLER(arm11_handle_etmr) -{ - return CALL_COMMAND_HANDLER(arm11_handle_etm_read_write, true); -} - -COMMAND_HANDLER(arm11_handle_etmw) -{ - return CALL_COMMAND_HANDLER(arm11_handle_etm_read_write, false); -} - -#define ARM11_HANDLER(x) .x = arm11_##x - -struct target_type arm11_target = { - .name = "arm11", - - ARM11_HANDLER(poll), - ARM11_HANDLER(arch_state), - - ARM11_HANDLER(target_request_data), - - ARM11_HANDLER(halt), - ARM11_HANDLER(resume), - ARM11_HANDLER(step), - - ARM11_HANDLER(assert_reset), - ARM11_HANDLER(deassert_reset), - ARM11_HANDLER(soft_reset_halt), - - ARM11_HANDLER(get_gdb_reg_list), - - ARM11_HANDLER(read_memory), - ARM11_HANDLER(write_memory), - - ARM11_HANDLER(bulk_write_memory), - - ARM11_HANDLER(checksum_memory), - - ARM11_HANDLER(add_breakpoint), - ARM11_HANDLER(remove_breakpoint), - ARM11_HANDLER(add_watchpoint), - ARM11_HANDLER(remove_watchpoint), - - ARM11_HANDLER(run_algorithm), - - ARM11_HANDLER(register_commands), - ARM11_HANDLER(target_create), - ARM11_HANDLER(init_target), - ARM11_HANDLER(examine), - - ARM11_HANDLER(mrc), - ARM11_HANDLER(mcr), - }; - - -int arm11_register_commands(struct command_context_s *cmd_ctx) +static int arm11_register_commands(struct command_context *cmd_ctx) { FNC_INFO; - command_t *top_cmd, *mw_cmd; + struct command *top_cmd, *mw_cmd; + + armv4_5_register_commands(cmd_ctx); top_cmd = register_command(cmd_ctx, NULL, "arm11", NULL, COMMAND_ANY, NULL); - register_command(cmd_ctx, top_cmd, "etmr", - arm11_handle_etmr, COMMAND_ANY, - "Read Embedded Trace Macrocell (ETM) register. etmr "); - - register_command(cmd_ctx, top_cmd, "etmw", - arm11_handle_etmw, COMMAND_ANY, - "Write Embedded Trace Macrocell (ETM) register. etmr "); - /* "hardware_step" is only here to check if the default * simulate + breakpoint implementation is broken. * TEMPORARY! NOT DOCUMENTED! @@ -2284,5 +2170,48 @@ int arm11_register_commands(struct command_context_s *cmd_ctx) arm11_handle_vcr, COMMAND_ANY, "Control (Interrupt) Vector Catch Register"); - return ERROR_OK; + return etm_register_commands(cmd_ctx); } + +/** Holds methods for ARM11xx targets. */ +struct target_type arm11_target = { + .name = "arm11", + + .poll = arm11_poll, + .arch_state = arm11_arch_state, + + .target_request_data = arm11_target_request_data, + + .halt = arm11_halt, + .resume = arm11_resume, + .step = arm11_step, + + .assert_reset = arm11_assert_reset, + .deassert_reset = arm11_deassert_reset, + .soft_reset_halt = arm11_soft_reset_halt, + + .get_gdb_reg_list = arm11_get_gdb_reg_list, + + .read_memory = arm11_read_memory, + .write_memory = arm11_write_memory, + + .bulk_write_memory = arm11_bulk_write_memory, + + .checksum_memory = arm_checksum_memory, + .blank_check_memory = arm_blank_check_memory, + + .add_breakpoint = arm11_add_breakpoint, + .remove_breakpoint = arm11_remove_breakpoint, + .add_watchpoint = arm11_add_watchpoint, + .remove_watchpoint = arm11_remove_watchpoint, + + .run_algorithm = arm11_run_algorithm, + + .register_commands = arm11_register_commands, + .target_create = arm11_target_create, + .init_target = arm11_init_target, + .examine = arm11_examine, + + .mrc = arm11_mrc, + .mcr = arm11_mcr, +};