From 817bf743023de7fea901e89157da57b90c7c326c Mon Sep 17 00:00:00 2001 From: David Brownell Date: Fri, 13 Nov 2009 16:56:11 -0800 Subject: [PATCH] ARM11: revert etmr/etmw commands These aren't desirable, given "standard" ETM support. Also remove the now-unused arm11_find_target(). Signed-off-by: David Brownell --- src/target/arm11.c | 83 --------------------------------------- src/target/arm11.h | 5 --- src/target/arm11_dbgtap.c | 77 ------------------------------------ 3 files changed, 165 deletions(-) diff --git a/src/target/arm11.c b/src/target/arm11.c index 4ebe61f9..b30e5181 100644 --- a/src/target/arm11.c +++ b/src/target/arm11.c @@ -2076,29 +2076,6 @@ 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) @@ -2154,58 +2131,6 @@ 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 = { @@ -2259,14 +2184,6 @@ int arm11_register_commands(struct command_context *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! diff --git a/src/target/arm11.h b/src/target/arm11.h index 6caad0e9..e48758f4 100644 --- a/src/target/arm11.h +++ b/src/target/arm11.h @@ -190,9 +190,4 @@ struct arm11_reg_state int arm11_register_commands(struct command_context *cmd_ctx); -int arm11_read_etm(struct arm11_common * arm11, uint8_t address, uint32_t *value); -int arm11_write_etm(struct arm11_common * arm11, uint8_t address, uint32_t value); - - - #endif /* ARM11_H */ diff --git a/src/target/arm11_dbgtap.c b/src/target/arm11_dbgtap.c index 40361dc4..a95dcdde 100644 --- a/src/target/arm11_dbgtap.c +++ b/src/target/arm11_dbgtap.c @@ -941,80 +941,3 @@ int arm11_read_memory_word(struct arm11_common * arm11, uint32_t address, uint32 return arm11_run_instr_data_finish(arm11); } - -/** Write Embedded Trace Macrocell (ETM) via Scan chain 6 - * - * http://infocenter.arm.com/help/topic/com.arm.doc.ddi0318e/Bcfddjeh.html#Bcfggcbe - * - * \param arm11 Target state variable. - * \param address 7 bit ETM register address - * \param value Value to be written - * - * \return Error status - * - * \remarks This is a stand-alone function that executes the JTAG command queue. - */ -int arm11_write_etm(struct arm11_common * arm11, uint8_t address, uint32_t value) -{ - CHECK_RETVAL(arm11_add_debug_SCAN_N(arm11, 0x06, ARM11_TAP_DEFAULT)); - - /* Uses INTEST for read and write */ - arm11_add_IR(arm11, ARM11_INTEST, ARM11_TAP_DEFAULT); - - struct scan_field chain6_fields[3]; - - uint8_t nRW = 1; - - arm11_setup_field(arm11, 32, &value, NULL, chain6_fields + 0); - arm11_setup_field(arm11, 7, &address, NULL, chain6_fields + 1); - arm11_setup_field(arm11, 1, &nRW, NULL, chain6_fields + 2); - - arm11_add_dr_scan_vc(asizeof(chain6_fields), chain6_fields, TAP_IDLE); - - CHECK_RETVAL(jtag_execute_queue()); - - return ERROR_OK; -} - -/** Read Embedded Trace Macrocell (ETM) via Scan chain 6 - * - * http://infocenter.arm.com/help/topic/com.arm.doc.ddi0318e/Bcfddjeh.html#Bcfggcbe - * - * \param arm11 Target state variable. - * \param address 7 bit ETM register address - * \param value Pointer that receives value that was read - * - * \return Error status - * - * \remarks This is a stand-alone function that executes the JTAG command queue. - */ -int arm11_read_etm(struct arm11_common * arm11, uint8_t address, uint32_t * value) -{ - CHECK_RETVAL(arm11_add_debug_SCAN_N(arm11, 0x06, ARM11_TAP_DEFAULT)); - - /* Uses INTEST for read and write */ - arm11_add_IR(arm11, ARM11_INTEST, ARM11_TAP_DEFAULT); - - struct scan_field chain6_fields[3]; - - uint8_t nRW = 0; - - arm11_setup_field(arm11, 32, NULL, NULL, chain6_fields + 0); - arm11_setup_field(arm11, 7, &address, NULL, chain6_fields + 1); - arm11_setup_field(arm11, 1, &nRW, NULL, chain6_fields + 2); - - arm11_add_dr_scan_vc(asizeof(chain6_fields), chain6_fields, TAP_IDLE); - - /* Data is made available in Capture-DR and shifted out on the next access */ - - arm11_setup_field(arm11, 32, NULL, value, chain6_fields + 0); - arm11_setup_field(arm11, 7, &address, NULL, chain6_fields + 1); - arm11_setup_field(arm11, 1, &nRW, NULL, chain6_fields + 2); - - arm11_add_dr_scan_vc(asizeof(chain6_fields), chain6_fields, TAP_IDLE); - - CHECK_RETVAL(jtag_execute_queue()); - - return ERROR_OK; -} - -- 2.39.5