X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Farm7_9_common.c;h=19c9791d9485c0b0dbafc77574ad687c3135c3af;hp=1cd3456b7d80766af55597054d4fc9b56783009e;hb=7bf1a86e473a12882bf6f71cb4d0d416394b69d4;hpb=2dd9c5e1da3a7e9152e7ca45fefc73363b509d5a diff --git a/src/target/arm7_9_common.c b/src/target/arm7_9_common.c index 1cd3456b7d..19c9791d94 100644 --- a/src/target/arm7_9_common.c +++ b/src/target/arm7_9_common.c @@ -30,14 +30,35 @@ #include "config.h" #endif +#include "breakpoints.h" #include "embeddedice.h" #include "target_request.h" -#include "arm7_9_common.h" +#include "etm.h" #include "time_support.h" #include "arm_simulator.h" +#include "algorithm.h" +#include "register.h" -int arm7_9_debug_entry(target_t *target); +/** + * @file + * Hold common code supporting the ARM7 and ARM9 core generations. + * + * While the ARM core implementations evolved substantially during these + * two generations, they look quite similar from the JTAG perspective. + * Both have similar debug facilities, based on the same two scan chains + * providing access to the core and to an EmbeddedICE module. Both can + * support similar ETM and ETB modules, for tracing. And both expose + * what could be viewed as "ARM Classic", with multiple processor modes, + * shadowed registers, and support for the Thumb instruction set. + * + * Processor differences include things like presence or absence of MMU + * and cache, pipeline sizes, use of a modified Harvard Architecure + * (with separate instruction and data busses from the CPU), support + * for cpu clock gating during idle, and more. + */ + +static int arm7_9_debug_entry(struct target *target); /** * Clear watchpoints for an ARM7/9 target. @@ -66,7 +87,7 @@ static int arm7_9_clear_watchpoints(struct arm7_9_common *arm7_9) * @param arm7_9 Pointer to the common struct for an ARM7/9 target * @param breakpoint Pointer to the breakpoint to be used as a watchpoint */ -static void arm7_9_assign_wp(struct arm7_9_common *arm7_9, breakpoint_t *breakpoint) +static void arm7_9_assign_wp(struct arm7_9_common *arm7_9, struct breakpoint *breakpoint) { if (!arm7_9->wp0_used) { @@ -159,46 +180,13 @@ static int arm7_9_set_software_breakpoints(struct arm7_9_common *arm7_9) * @param target Pointer to an ARM7/9 target to setup * @return Result of clearing the watchpoints on the target */ -int arm7_9_setup(target_t *target) +int arm7_9_setup(struct target *target) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); return arm7_9_clear_watchpoints(arm7_9); } -/** - * Retrieves the architecture information pointers for ARMv4/5 and ARM7/9 - * targets. A return of ERROR_OK signifies that the target is a valid target - * and that the pointers have been set properly. - * - * @param target Pointer to the target device to get the pointers from - * @param armv4_5_p Pointer to be filled in with the common struct for ARMV4/5 - * targets - * @param arm7_9_p Pointer to be filled in with the common struct for ARM7/9 - * targets - * @return ERROR_OK if successful - */ -int arm7_9_get_arch_pointers(target_t *target, armv4_5_common_t **armv4_5_p, struct arm7_9_common **arm7_9_p) -{ - struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common; - - /* FIXME stop using this routine; just target_to_arm7_9() and - * verify the resulting pointer using a replacement routine - * that emits a usage message. - */ - if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC) - return ERROR_TARGET_INVALID; - - if (arm7_9->common_magic != ARM7_9_COMMON_MAGIC) - return ERROR_TARGET_INVALID; - - *armv4_5_p = armv4_5; - *arm7_9_p = arm7_9; - - return ERROR_OK; -} - /** * Set either a hardware or software breakpoint on an ARM7/9 target. The * breakpoint is set up even if it is already set. Some actions, e.g. reset, @@ -210,7 +198,7 @@ int arm7_9_get_arch_pointers(target_t *target, armv4_5_common_t **armv4_5_p, str * queue. For software breakpoints, this will be the status of the * required memory reads and writes */ -int arm7_9_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +int arm7_9_set_breakpoint(struct target *target, struct breakpoint *breakpoint) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); int retval = ERROR_OK; @@ -339,7 +327,7 @@ int arm7_9_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) * queue. For software breakpoints, this will be the status of the * required memory reads and writes */ -int arm7_9_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +int arm7_9_unset_breakpoint(struct target *target, struct breakpoint *breakpoint) { int retval = ERROR_OK; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -434,7 +422,7 @@ int arm7_9_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) * @return An error status if there is a problem adding the breakpoint or the * result of setting the breakpoint */ -int arm7_9_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +int arm7_9_add_breakpoint(struct target *target, struct breakpoint *breakpoint) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -484,7 +472,7 @@ int arm7_9_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint) * @return Error status if there was a problem unsetting the breakpoint or the * watchpoints could not be cleared */ -int arm7_9_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +int arm7_9_remove_breakpoint(struct target *target, struct breakpoint *breakpoint) { int retval = ERROR_OK; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -520,7 +508,7 @@ int arm7_9_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint) * @return Error status if watchpoint set fails or the result of executing the * JTAG queue */ -int arm7_9_set_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +int arm7_9_set_watchpoint(struct target *target, struct watchpoint *watchpoint) { int retval = ERROR_OK; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -591,7 +579,7 @@ int arm7_9_set_watchpoint(struct target_s *target, watchpoint_t *watchpoint) * @return Error status while trying to unset the watchpoint or the result of * executing the JTAG queue */ -int arm7_9_unset_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +int arm7_9_unset_watchpoint(struct target *target, struct watchpoint *watchpoint) { int retval = ERROR_OK; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -639,7 +627,7 @@ int arm7_9_unset_watchpoint(struct target_s *target, watchpoint_t *watchpoint) * @param watchpoint Pointer to the watchpoint to be added * @return Error status while trying to add the watchpoint */ -int arm7_9_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +int arm7_9_add_watchpoint(struct target *target, struct watchpoint *watchpoint) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -672,7 +660,7 @@ int arm7_9_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint) * @param watchpoint Pointer to the watchpoint to be removed * @return Result of trying to unset the watchpoint */ -int arm7_9_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +int arm7_9_remove_watchpoint(struct target *target, struct watchpoint *watchpoint) { int retval = ERROR_OK; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -699,12 +687,12 @@ int arm7_9_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint) * @return Error status if there is a timeout or a problem while executing the * JTAG queue */ -int arm7_9_execute_sys_speed(struct target_s *target) +int arm7_9_execute_sys_speed(struct target *target) { int retval; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); struct arm_jtag *jtag_info = &arm7_9->jtag_info; - reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; + struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; /* set RESTART instruction */ jtag_set_end_state(TAP_IDLE); @@ -750,14 +738,14 @@ int arm7_9_execute_sys_speed(struct target_s *target) * @param target Pointer to the target to issue commands to * @return Always ERROR_OK */ -int arm7_9_execute_fast_sys_speed(struct target_s *target) +int arm7_9_execute_fast_sys_speed(struct target *target) { static int set = 0; static uint8_t check_value[4], check_mask[4]; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); struct arm_jtag *jtag_info = &arm7_9->jtag_info; - reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; + struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; /* set RESTART instruction */ jtag_set_end_state(TAP_IDLE); @@ -794,7 +782,7 @@ int arm7_9_execute_fast_sys_speed(struct target_s *target) * @param buffer Pointer to the buffer that will hold the data * @return The result of receiving data from the Embedded ICE unit */ -int arm7_9_target_request_data(target_t *target, uint32_t size, uint8_t *buffer) +int arm7_9_target_request_data(struct target *target, uint32_t size, uint8_t *buffer) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); struct arm_jtag *jtag_info = &arm7_9->jtag_info; @@ -822,19 +810,19 @@ int arm7_9_target_request_data(target_t *target, uint32_t size, uint8_t *buffer) * target is running and the DCC control register has the W bit high, this will * execute the request on the target. * - * @param priv Void pointer expected to be a target_t pointer + * @param priv Void pointer expected to be a struct target pointer * @return ERROR_OK unless there are issues with the JTAG queue or when reading * from the Embedded ICE unit */ int arm7_9_handle_target_request(void *priv) { int retval = ERROR_OK; - target_t *target = priv; + struct target *target = priv; if (!target_was_examined(target)) return ERROR_OK; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); struct arm_jtag *jtag_info = &arm7_9->jtag_info; - reg_t *dcc_control = &arm7_9->eice_cache->reg_list[EICE_COMMS_CTRL]; + struct reg *dcc_control = &arm7_9->eice_cache->reg_list[EICE_COMMS_CTRL]; if (!target->dbg_msg_enabled) return ERROR_OK; @@ -887,11 +875,11 @@ int arm7_9_handle_target_request(void *priv) * @param target Pointer to the ARM7/9 target to poll * @return ERROR_OK or an error status if a command fails */ -int arm7_9_poll(target_t *target) +int arm7_9_poll(struct target *target) { int retval; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; + struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; /* read debug status register */ embeddedice_read_reg(dbg_stat); @@ -931,7 +919,7 @@ int arm7_9_poll(target_t *target) if (check_pc) { - reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1); + struct reg *reg = register_get_by_name(target->reg_cache, "pc", 1); uint32_t t=*((uint32_t *)reg->value); if (t != 0) { @@ -980,7 +968,7 @@ int arm7_9_poll(target_t *target) * @param target Pointer to an ARM7/9 target to assert reset on * @return ERROR_FAIL if the JTAG device does not have SRST, otherwise ERROR_OK */ -int arm7_9_assert_reset(target_t *target) +int arm7_9_assert_reset(struct target *target) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -1072,7 +1060,7 @@ int arm7_9_assert_reset(target_t *target) * @param target Pointer to the target to have the reset deasserted * @return ERROR_OK or an error from polling or halting the target */ -int arm7_9_deassert_reset(target_t *target) +int arm7_9_deassert_reset(struct target *target) { int retval = ERROR_OK; LOG_DEBUG("target->state: %s", @@ -1112,10 +1100,10 @@ int arm7_9_deassert_reset(target_t *target) * @param target Pointer to the ARM7/9 target to have halt cleared * @return Always ERROR_OK */ -int arm7_9_clear_halt(target_t *target) +int arm7_9_clear_halt(struct target *target) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]; + struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]; /* we used DBGRQ only if we didn't come out of reset */ if (!arm7_9->debug_entry_from_reset && arm7_9->use_dbgrq) @@ -1169,12 +1157,12 @@ int arm7_9_clear_halt(target_t *target) * @param target Pointer to the ARM7/9 target to be reset and halted by software * @return Error status if any of the commands fail, otherwise ERROR_OK */ -int arm7_9_soft_reset_halt(struct target_s *target) +int arm7_9_soft_reset_halt(struct target *target) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common; - reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; - reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]; + struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; + struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]; int i; int retval; @@ -1282,7 +1270,7 @@ int arm7_9_soft_reset_halt(struct target_s *target) * @param target Pointer to the ARM7/9 target to be halted * @return Always ERROR_OK */ -int arm7_9_halt(target_t *target) +int arm7_9_halt(struct target *target) { if (target->state == TARGET_RESET) { @@ -1291,7 +1279,7 @@ int arm7_9_halt(target_t *target) } struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]; + struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]; LOG_DEBUG("target->state: %s", target_state_name(target)); @@ -1344,7 +1332,7 @@ int arm7_9_halt(target_t *target) * @param target Pointer to target that is entering debug mode * @return Error code if anything fails, otherwise ERROR_OK */ -int arm7_9_debug_entry(target_t *target) +static int arm7_9_debug_entry(struct target *target) { int i; uint32_t context[16]; @@ -1354,8 +1342,8 @@ int arm7_9_debug_entry(target_t *target) int retval; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common; - reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; - reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]; + struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; + struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]; #ifdef _DEBUG_ARM7_9_ LOG_DEBUG("-"); @@ -1502,7 +1490,7 @@ int arm7_9_debug_entry(target_t *target) * @return Error if the target is not halted, has an invalid core mode, or if * the JTAG queue fails to execute */ -int arm7_9_full_context(target_t *target) +int arm7_9_full_context(struct target *target) { int i; int retval; @@ -1595,11 +1583,11 @@ int arm7_9_full_context(target_t *target) * @return Error status if the target is not halted or the core mode in the * armv4_5 struct is invalid. */ -int arm7_9_restore_context(target_t *target) +int arm7_9_restore_context(struct target *target) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common; - reg_t *reg; + struct reg *reg; struct armv4_5_core_reg *reg_arch_info; enum armv4_5_mode current_mode = armv4_5->core_mode; int i, j; @@ -1745,7 +1733,7 @@ int arm7_9_restore_context(target_t *target) * @param target Pointer to the ARM7/9 target to be restarted * @return Result of executing the JTAG queue */ -int arm7_9_restart_core(struct target_s *target) +int arm7_9_restart_core(struct target *target) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); struct arm_jtag *jtag_info = &arm7_9->jtag_info; @@ -1768,9 +1756,9 @@ int arm7_9_restart_core(struct target_s *target) * * @param target Pointer to the ARM7/9 target to enable watchpoints on */ -void arm7_9_enable_watchpoints(struct target_s *target) +void arm7_9_enable_watchpoints(struct target *target) { - watchpoint_t *watchpoint = target->watchpoints; + struct watchpoint *watchpoint = target->watchpoints; while (watchpoint) { @@ -1786,9 +1774,9 @@ void arm7_9_enable_watchpoints(struct target_s *target) * * @param target Pointer to the ARM7/9 target to enable breakpoints on */ -void arm7_9_enable_breakpoints(struct target_s *target) +void arm7_9_enable_breakpoints(struct target *target) { - breakpoint_t *breakpoint = target->breakpoints; + struct breakpoint *breakpoint = target->breakpoints; /* set any pending breakpoints */ while (breakpoint) @@ -1798,12 +1786,12 @@ void arm7_9_enable_breakpoints(struct target_s *target) } } -int arm7_9_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution) +int arm7_9_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common; - breakpoint_t *breakpoint = target->breakpoints; - reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]; + struct breakpoint *breakpoint = target->breakpoints; + struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]; int err, retval = ERROR_OK; LOG_DEBUG("-"); @@ -1958,7 +1946,7 @@ int arm7_9_resume(struct target_s *target, int current, uint32_t address, int ha return ERROR_OK; } -void arm7_9_enable_eice_step(target_t *target, uint32_t next_pc) +void arm7_9_enable_eice_step(struct target *target, uint32_t next_pc) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common; @@ -1995,7 +1983,7 @@ void arm7_9_enable_eice_step(target_t *target, uint32_t next_pc) } } -void arm7_9_disable_eice_step(target_t *target) +void arm7_9_disable_eice_step(struct target *target) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -2010,11 +1998,11 @@ void arm7_9_disable_eice_step(target_t *target) embeddedice_store_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_VALUE]); } -int arm7_9_step(struct target_s *target, int current, uint32_t address, int handle_breakpoints) +int arm7_9_step(struct target *target, int current, uint32_t address, int handle_breakpoints) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common; - breakpoint_t *breakpoint = NULL; + struct breakpoint *breakpoint = NULL; int err, retval; if (target->state != TARGET_HALTED) @@ -2103,7 +2091,7 @@ int arm7_9_step(struct target_s *target, int current, uint32_t address, int hand return err; } -int arm7_9_read_core_reg(struct target_s *target, int num, enum armv4_5_mode mode) +int arm7_9_read_core_reg(struct target *target, int num, enum armv4_5_mode mode) { uint32_t* reg_p[16]; uint32_t value; @@ -2169,7 +2157,7 @@ int arm7_9_read_core_reg(struct target_s *target, int num, enum armv4_5_mode mod return ERROR_OK; } -int arm7_9_write_core_reg(struct target_s *target, int num, enum armv4_5_mode mode, uint32_t value) +int arm7_9_write_core_reg(struct target *target, int num, enum armv4_5_mode mode, uint32_t value) { uint32_t reg[16]; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -2230,7 +2218,7 @@ int arm7_9_write_core_reg(struct target_s *target, int num, enum armv4_5_mode mo return jtag_execute_queue(); } -int arm7_9_read_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer) +int arm7_9_read_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common; @@ -2405,11 +2393,11 @@ int arm7_9_read_memory(struct target_s *target, uint32_t address, uint32_t size, return ERROR_OK; } -int arm7_9_write_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer) +int arm7_9_write_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common; - reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]; + struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]; uint32_t reg[16]; uint32_t num_accesses = 0; @@ -2591,7 +2579,7 @@ int arm7_9_write_memory(struct target_s *target, uint32_t address, uint32_t size static int dcc_count; static uint8_t *dcc_buffer; -static int arm7_9_dcc_completion(struct target_s *target, uint32_t exit_point, int timeout_ms, void *arch_info) +static int arm7_9_dcc_completion(struct target *target, uint32_t exit_point, int timeout_ms, void *arch_info) { int retval = ERROR_OK; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -2609,7 +2597,7 @@ static int arm7_9_dcc_completion(struct target_s *target, uint32_t exit_point, i embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_COMMS_DATA], fast_target_buffer_get_u32(buffer, little)); buffer += 4; - embeddedice_reg_t *ice_reg = arm7_9->eice_cache->reg_list[EICE_COMMS_DATA].arch_info; + struct embeddedice_reg *ice_reg = arm7_9->eice_cache->reg_list[EICE_COMMS_DATA].arch_info; uint8_t reg_addr = ice_reg->addr & 0x1f; struct jtag_tap *tap; tap = ice_reg->jtag_info->tap; @@ -2654,9 +2642,9 @@ static const uint32_t dcc_code[] = 0xeafffff9 /* b w */ }; -int armv4_5_run_algorithm_inner(struct target_s *target, int num_mem_params, struct mem_param *mem_params, int num_reg_params, struct reg_param *reg_params, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info, int (*run_it)(struct target_s *target, uint32_t exit_point, int timeout_ms, void *arch_info)); +int armv4_5_run_algorithm_inner(struct target *target, int num_mem_params, struct mem_param *mem_params, int num_reg_params, struct reg_param *reg_params, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info, int (*run_it)(struct target *target, uint32_t exit_point, int timeout_ms, void *arch_info)); -int arm7_9_bulk_write_memory(target_t *target, uint32_t address, uint32_t count, uint8_t *buffer) +int arm7_9_bulk_write_memory(struct target *target, uint32_t address, uint32_t count, uint8_t *buffer) { int retval; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -2721,181 +2709,66 @@ int arm7_9_bulk_write_memory(target_t *target, uint32_t address, uint32_t count, return retval; } -int arm7_9_checksum_memory(struct target_s *target, uint32_t address, uint32_t count, uint32_t* checksum) +/** + * Perform per-target setup that requires JTAG access. + */ +int arm7_9_examine(struct target *target) { - working_area_t *crc_algorithm; - struct armv4_5_algorithm armv4_5_info; - struct reg_param reg_params[2]; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); int retval; - static const uint32_t arm7_9_crc_code[] = { - 0xE1A02000, /* mov r2, r0 */ - 0xE3E00000, /* mov r0, #0xffffffff */ - 0xE1A03001, /* mov r3, r1 */ - 0xE3A04000, /* mov r4, #0 */ - 0xEA00000B, /* b ncomp */ - /* nbyte: */ - 0xE7D21004, /* ldrb r1, [r2, r4] */ - 0xE59F7030, /* ldr r7, CRC32XOR */ - 0xE0200C01, /* eor r0, r0, r1, asl 24 */ - 0xE3A05000, /* mov r5, #0 */ - /* loop: */ - 0xE3500000, /* cmp r0, #0 */ - 0xE1A06080, /* mov r6, r0, asl #1 */ - 0xE2855001, /* add r5, r5, #1 */ - 0xE1A00006, /* mov r0, r6 */ - 0xB0260007, /* eorlt r0, r6, r7 */ - 0xE3550008, /* cmp r5, #8 */ - 0x1AFFFFF8, /* bne loop */ - 0xE2844001, /* add r4, r4, #1 */ - /* ncomp: */ - 0xE1540003, /* cmp r4, r3 */ - 0x1AFFFFF1, /* bne nbyte */ - /* end: */ - 0xEAFFFFFE, /* b end */ - 0x04C11DB7 /* CRC32XOR: .word 0x04C11DB7 */ - }; + if (!target_was_examined(target)) { + struct reg_cache *t, **cache_p; - uint32_t i; + t = embeddedice_build_reg_cache(target, arm7_9); + if (t == NULL) + return ERROR_FAIL; - if (target_alloc_working_area(target, sizeof(arm7_9_crc_code), &crc_algorithm) != ERROR_OK) - { - return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - } + cache_p = register_get_last_cache_p(&target->reg_cache); + (*cache_p) = t; + arm7_9->eice_cache = (*cache_p); - /* convert flash writing code into a buffer in target endianness */ - for (i = 0; i < (sizeof(arm7_9_crc_code)/sizeof(uint32_t)); i++) - { - if ((retval = target_write_u32(target, crc_algorithm->address + i*sizeof(uint32_t), arm7_9_crc_code[i])) != ERROR_OK) - { - return retval; - } - } - - armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC; - armv4_5_info.core_mode = ARMV4_5_MODE_SVC; - armv4_5_info.core_state = ARMV4_5_STATE_ARM; - - init_reg_param(®_params[0], "r0", 32, PARAM_IN_OUT); - init_reg_param(®_params[1], "r1", 32, PARAM_OUT); - - buf_set_u32(reg_params[0].value, 0, 32, address); - buf_set_u32(reg_params[1].value, 0, 32, count); - - /* 20 second timeout/megabyte */ - int timeout = 20000 * (1 + (count / (1024*1024))); + if (arm7_9->armv4_5_common.etm) + (*cache_p)->next = etm_build_reg_cache(target, + &arm7_9->jtag_info, + arm7_9->armv4_5_common.etm); - if ((retval = target_run_algorithm(target, 0, NULL, 2, reg_params, - crc_algorithm->address, crc_algorithm->address + (sizeof(arm7_9_crc_code) - 8), timeout, &armv4_5_info)) != ERROR_OK) - { - LOG_ERROR("error executing arm7_9 crc algorithm"); - destroy_reg_param(®_params[0]); - destroy_reg_param(®_params[1]); - target_free_working_area(target, crc_algorithm); - return retval; + target_set_examined(target); } - *checksum = buf_get_u32(reg_params[0].value, 0, 32); - - destroy_reg_param(®_params[0]); - destroy_reg_param(®_params[1]); - - target_free_working_area(target, crc_algorithm); - - return ERROR_OK; + retval = embeddedice_setup(target); + if (retval == ERROR_OK) + retval = arm7_9_setup(target); + if (retval == ERROR_OK && arm7_9->armv4_5_common.etm) + retval = etm_setup(target); + return retval; } -int arm7_9_blank_check_memory(struct target_s *target, uint32_t address, uint32_t count, uint32_t* blank) -{ - working_area_t *erase_check_algorithm; - struct reg_param reg_params[3]; - struct armv4_5_algorithm armv4_5_info; - int retval; - uint32_t i; - - static const uint32_t erase_check_code[] = - { - /* loop: */ - 0xe4d03001, /* ldrb r3, [r0], #1 */ - 0xe0022003, /* and r2, r2, r3 */ - 0xe2511001, /* subs r1, r1, #1 */ - 0x1afffffb, /* bne loop */ - /* end: */ - 0xeafffffe /* b end */ - }; - - /* make sure we have a working area */ - if (target_alloc_working_area(target, sizeof(erase_check_code), &erase_check_algorithm) != ERROR_OK) - { - return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - } - - /* convert flash writing code into a buffer in target endianness */ - for (i = 0; i < (sizeof(erase_check_code)/sizeof(uint32_t)); i++) - if ((retval = target_write_u32(target, erase_check_algorithm->address + i*sizeof(uint32_t), erase_check_code[i])) != ERROR_OK) - { - return retval; - } - - armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC; - armv4_5_info.core_mode = ARMV4_5_MODE_SVC; - armv4_5_info.core_state = ARMV4_5_STATE_ARM; - - init_reg_param(®_params[0], "r0", 32, PARAM_OUT); - buf_set_u32(reg_params[0].value, 0, 32, address); - - init_reg_param(®_params[1], "r1", 32, PARAM_OUT); - buf_set_u32(reg_params[1].value, 0, 32, count); - - init_reg_param(®_params[2], "r2", 32, PARAM_IN_OUT); - buf_set_u32(reg_params[2].value, 0, 32, 0xff); - - if ((retval = target_run_algorithm(target, 0, NULL, 3, reg_params, - erase_check_algorithm->address, erase_check_algorithm->address + (sizeof(erase_check_code) - 4), 10000, &armv4_5_info)) != ERROR_OK) - { - destroy_reg_param(®_params[0]); - destroy_reg_param(®_params[1]); - destroy_reg_param(®_params[2]); - target_free_working_area(target, erase_check_algorithm); - return 0; - } - - *blank = buf_get_u32(reg_params[2].value, 0, 32); - - destroy_reg_param(®_params[0]); - destroy_reg_param(®_params[1]); - destroy_reg_param(®_params[2]); - - target_free_working_area(target, erase_check_algorithm); - - return ERROR_OK; -} COMMAND_HANDLER(handle_arm7_9_write_xpsr_command) { uint32_t value; int spsr; int retval; - target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5; - struct arm7_9_common *arm7_9; + struct target *target = get_current_target(cmd_ctx); + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK) + if (!is_arm7_9(arm7_9)) { command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target"); - return ERROR_OK; + return ERROR_TARGET_INVALID; } if (target->state != TARGET_HALTED) { command_print(cmd_ctx, "can't write registers while running"); - return ERROR_OK; + return ERROR_FAIL; } - if (argc < 2) + if (CMD_ARGC < 2) { command_print(cmd_ctx, "usage: write_xpsr "); - return ERROR_OK; + return ERROR_FAIL; } COMMAND_PARSE_NUMBER(u32, args[0], value); @@ -2921,26 +2794,25 @@ COMMAND_HANDLER(handle_arm7_9_write_xpsr_im8_command) int rotate; int spsr; int retval; - target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5; - struct arm7_9_common *arm7_9; + struct target *target = get_current_target(cmd_ctx); + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK) + if (!is_arm7_9(arm7_9)) { command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target"); - return ERROR_OK; + return ERROR_TARGET_INVALID; } if (target->state != TARGET_HALTED) { command_print(cmd_ctx, "can't write registers while running"); - return ERROR_OK; + return ERROR_FAIL; } - if (argc < 3) + if (CMD_ARGC < 3) { command_print(cmd_ctx, "usage: write_xpsr_im8 "); - return ERROR_OK; + return ERROR_FAIL; } COMMAND_PARSE_NUMBER(u32, args[0], value); @@ -2962,26 +2834,25 @@ COMMAND_HANDLER(handle_arm7_9_write_core_reg_command) uint32_t value; uint32_t mode; int num; - target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5; - struct arm7_9_common *arm7_9; + struct target *target = get_current_target(cmd_ctx); + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK) + if (!is_arm7_9(arm7_9)) { command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target"); - return ERROR_OK; + return ERROR_TARGET_INVALID; } if (target->state != TARGET_HALTED) { command_print(cmd_ctx, "can't write registers while running"); - return ERROR_OK; + return ERROR_FAIL; } - if (argc < 3) + if (CMD_ARGC < 3) { command_print(cmd_ctx, "usage: write_core_reg "); - return ERROR_OK; + return ERROR_FAIL; } COMMAND_PARSE_NUMBER(int, args[0], num); @@ -2993,17 +2864,16 @@ COMMAND_HANDLER(handle_arm7_9_write_core_reg_command) COMMAND_HANDLER(handle_arm7_9_dbgrq_command) { - target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5; - struct arm7_9_common *arm7_9; + struct target *target = get_current_target(cmd_ctx); + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK) + if (!is_arm7_9(arm7_9)) { command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target"); - return ERROR_OK; + return ERROR_TARGET_INVALID; } - if (argc > 0) + if (CMD_ARGC > 0) { if (strcmp("enable", args[0]) == 0) { @@ -3026,17 +2896,16 @@ COMMAND_HANDLER(handle_arm7_9_dbgrq_command) COMMAND_HANDLER(handle_arm7_9_fast_memory_access_command) { - target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5; - struct arm7_9_common *arm7_9; + struct target *target = get_current_target(cmd_ctx); + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK) + if (!is_arm7_9(arm7_9)) { command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target"); - return ERROR_OK; + return ERROR_TARGET_INVALID; } - if (argc > 0) + if (CMD_ARGC > 0) { if (strcmp("enable", args[0]) == 0) { @@ -3059,17 +2928,16 @@ COMMAND_HANDLER(handle_arm7_9_fast_memory_access_command) COMMAND_HANDLER(handle_arm7_9_dcc_downloads_command) { - target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5; - struct arm7_9_common *arm7_9; + struct target *target = get_current_target(cmd_ctx); + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK) + if (!is_arm7_9(arm7_9)) { command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target"); - return ERROR_OK; + return ERROR_TARGET_INVALID; } - if (argc > 0) + if (CMD_ARGC > 0) { if (strcmp("enable", args[0]) == 0) { @@ -3090,10 +2958,10 @@ COMMAND_HANDLER(handle_arm7_9_dcc_downloads_command) return ERROR_OK; } -int arm7_9_init_arch_info(target_t *target, struct arm7_9_common *arm7_9) +int arm7_9_init_arch_info(struct target *target, struct arm7_9_common *arm7_9) { int retval = ERROR_OK; - armv4_5_common_t *armv4_5 = &arm7_9->armv4_5_common; + struct arm *armv4_5 = &arm7_9->armv4_5_common; arm7_9->common_magic = ARM7_9_COMMON_MAGIC; @@ -3119,9 +2987,9 @@ int arm7_9_init_arch_info(target_t *target, struct arm7_9_common *arm7_9) 1, 1, target); } -int arm7_9_register_commands(struct command_context_s *cmd_ctx) +int arm7_9_register_commands(struct command_context *cmd_ctx) { - command_t *arm7_9_cmd; + struct command *arm7_9_cmd; arm7_9_cmd = register_command(cmd_ctx, NULL, "arm7_9", NULL, COMMAND_ANY, "arm7/9 specific commands");