X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Fmips_m4k.c;h=4adc1f193c39818d91a715819afceb32cb659338;hb=fccb812f829e55940e26466c4cda8c25765d4f6c;hp=40e17d16c3563839915fe8186ee00dbea5b29e4d;hpb=a690ee3c0c903f692462b3ee959c4b279f2ad1f3;p=openocd.git diff --git a/src/target/mips_m4k.c b/src/target/mips_m4k.c index 40e17d16c3..4adc1f193c 100644 --- a/src/target/mips_m4k.c +++ b/src/target/mips_m4k.c @@ -4,6 +4,8 @@ * * * Copyright (C) 2008 by David T.L. Wong * * * + * Copyright (C) 2009 by David N. Claffey * + * * * 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 * @@ -23,33 +25,32 @@ #include "config.h" #endif +#include "breakpoints.h" #include "mips32.h" #include "mips_m4k.h" #include "mips32_dmaacc.h" #include "target_type.h" - +#include "register.h" /* cli handling */ /* forward declarations */ -int mips_m4k_poll(target_t *target); -int mips_m4k_halt(struct target_s *target); -int mips_m4k_soft_reset_halt(struct target_s *target); -int mips_m4k_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution); -int mips_m4k_step(struct target_s *target, int current, uint32_t address, int handle_breakpoints); -int mips_m4k_read_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer); -int mips_m4k_write_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer); -int mips_m4k_register_commands(struct command_context_s *cmd_ctx); -int mips_m4k_init_target(struct command_context_s *cmd_ctx, struct target_s *target); -int mips_m4k_quit(void); -int mips_m4k_target_create(struct target_s *target, Jim_Interp *interp); - -int mips_m4k_examine(struct target_s *target); -int mips_m4k_assert_reset(target_t *target); -int mips_m4k_deassert_reset(target_t *target); -int mips_m4k_checksum_memory(target_t *target, uint32_t address, uint32_t size, uint32_t *checksum); - -target_type_t mips_m4k_target = +int mips_m4k_poll(struct target *target); +int mips_m4k_halt(struct target *target); +int mips_m4k_soft_reset_halt(struct target *target); +int mips_m4k_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution); +int mips_m4k_step(struct target *target, int current, uint32_t address, int handle_breakpoints); +int mips_m4k_read_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer); +int mips_m4k_write_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer); +int mips_m4k_init_target(struct command_context *cmd_ctx, struct target *target); +int mips_m4k_target_create(struct target *target, Jim_Interp *interp); + +int mips_m4k_examine(struct target *target); +int mips_m4k_assert_reset(struct target *target); +int mips_m4k_deassert_reset(struct target *target); +int mips_m4k_checksum_memory(struct target *target, uint32_t address, uint32_t size, uint32_t *checksum); + +struct target_type mips_m4k_target = { .name = "mips_m4k", @@ -81,14 +82,12 @@ target_type_t mips_m4k_target = .add_watchpoint = mips_m4k_add_watchpoint, .remove_watchpoint = mips_m4k_remove_watchpoint, - .register_commands = mips_m4k_register_commands, .target_create = mips_m4k_target_create, .init_target = mips_m4k_init_target, .examine = mips_m4k_examine, - .quit = mips_m4k_quit }; -int mips_m4k_examine_debug_reason(target_t *target) +int mips_m4k_examine_debug_reason(struct target *target) { uint32_t break_status; int retval; @@ -122,10 +121,10 @@ int mips_m4k_examine_debug_reason(target_t *target) return ERROR_OK; } -int mips_m4k_debug_entry(target_t *target) +int mips_m4k_debug_entry(struct target *target) { - mips32_common_t *mips32 = target->arch_info; - mips_ejtag_t *ejtag_info = &mips32->ejtag_info; + struct mips32_common *mips32 = target->arch_info; + struct mips_ejtag *ejtag_info = &mips32->ejtag_info; uint32_t debug_reg; /* read debug register */ @@ -153,11 +152,11 @@ int mips_m4k_debug_entry(target_t *target) return ERROR_OK; } -int mips_m4k_poll(target_t *target) +int mips_m4k_poll(struct target *target) { int retval; - mips32_common_t *mips32 = target->arch_info; - mips_ejtag_t *ejtag_info = &mips32->ejtag_info; + struct mips32_common *mips32 = target->arch_info; + struct mips_ejtag *ejtag_info = &mips32->ejtag_info; uint32_t ejtag_ctrl = ejtag_info->ejtag_ctrl; /* read ejtag control reg */ @@ -214,10 +213,10 @@ int mips_m4k_poll(target_t *target) return ERROR_OK; } -int mips_m4k_halt(struct target_s *target) +int mips_m4k_halt(struct target *target) { - mips32_common_t *mips32 = target->arch_info; - mips_ejtag_t *ejtag_info = &mips32->ejtag_info; + struct mips32_common *mips32 = target->arch_info; + struct mips_ejtag *ejtag_info = &mips32->ejtag_info; LOG_DEBUG("target->state: %s", target_state_name(target)); @@ -259,10 +258,10 @@ int mips_m4k_halt(struct target_s *target) return ERROR_OK; } -int mips_m4k_assert_reset(target_t *target) +int mips_m4k_assert_reset(struct target *target) { - mips32_common_t *mips32 = target->arch_info; - mips_ejtag_t *ejtag_info = &mips32->ejtag_info; + struct mips32_common *mips32 = target->arch_info; + struct mips_ejtag *ejtag_info = &mips32->ejtag_info; LOG_DEBUG("target->state: %s", target_state_name(target)); @@ -309,7 +308,7 @@ int mips_m4k_assert_reset(target_t *target) target->state = TARGET_RESET; jtag_add_sleep(50000); - mips32_invalidate_core_regs(target); + register_cache_invalidate(mips32->core_cache); if (target->reset_halt) { @@ -321,7 +320,7 @@ int mips_m4k_assert_reset(target_t *target) return ERROR_OK; } -int mips_m4k_deassert_reset(target_t *target) +int mips_m4k_deassert_reset(struct target *target) { LOG_DEBUG("target->state: %s", target_state_name(target)); @@ -332,16 +331,16 @@ int mips_m4k_deassert_reset(target_t *target) return ERROR_OK; } -int mips_m4k_soft_reset_halt(struct target_s *target) +int mips_m4k_soft_reset_halt(struct target *target) { /* TODO */ return ERROR_OK; } -int mips_m4k_single_step_core(target_t *target) +int mips_m4k_single_step_core(struct target *target) { - mips32_common_t *mips32 = target->arch_info; - mips_ejtag_t *ejtag_info = &mips32->ejtag_info; + struct mips32_common *mips32 = target->arch_info; + struct mips_ejtag *ejtag_info = &mips32->ejtag_info; /* configure single step mode */ mips_ejtag_config_step(ejtag_info, 1); @@ -357,11 +356,11 @@ int mips_m4k_single_step_core(target_t *target) return ERROR_OK; } -int mips_m4k_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution) +int mips_m4k_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution) { - mips32_common_t *mips32 = target->arch_info; - mips_ejtag_t *ejtag_info = &mips32->ejtag_info; - breakpoint_t *breakpoint = NULL; + struct mips32_common *mips32 = target->arch_info; + struct mips_ejtag *ejtag_info = &mips32->ejtag_info; + struct breakpoint *breakpoint = NULL; uint32_t resume_pc; if (target->state != TARGET_HALTED) @@ -410,7 +409,7 @@ int mips_m4k_resume(struct target_s *target, int current, uint32_t address, int target->debug_reason = DBG_REASON_NOTHALTED; /* registers are now invalid */ - mips32_invalidate_core_regs(target); + register_cache_invalidate(mips32->core_cache); if (!debug_execution) { @@ -428,12 +427,12 @@ int mips_m4k_resume(struct target_s *target, int current, uint32_t address, int return ERROR_OK; } -int mips_m4k_step(struct target_s *target, int current, uint32_t address, int handle_breakpoints) +int mips_m4k_step(struct target *target, int current, uint32_t address, int handle_breakpoints) { /* get pointers to arch-specific information */ - mips32_common_t *mips32 = target->arch_info; - mips_ejtag_t *ejtag_info = &mips32->ejtag_info; - breakpoint_t *breakpoint = NULL; + struct mips32_common *mips32 = target->arch_info; + struct mips_ejtag *ejtag_info = &mips32->ejtag_info; + struct breakpoint *breakpoint = NULL; if (target->state != TARGET_HALTED) { @@ -467,7 +466,7 @@ int mips_m4k_step(struct target_s *target, int current, uint32_t address, int ha mips_ejtag_exit_debug(ejtag_info); /* registers are now invalid */ - mips32_invalidate_core_regs(target); + register_cache_invalidate(mips32->core_cache); if (breakpoint) mips_m4k_set_breakpoint(target, breakpoint); @@ -480,9 +479,9 @@ int mips_m4k_step(struct target_s *target, int current, uint32_t address, int ha return ERROR_OK; } -void mips_m4k_enable_breakpoints(struct target_s *target) +void mips_m4k_enable_breakpoints(struct target *target) { - breakpoint_t *breakpoint = target->breakpoints; + struct breakpoint *breakpoint = target->breakpoints; /* set any pending breakpoints */ while (breakpoint) @@ -493,10 +492,10 @@ void mips_m4k_enable_breakpoints(struct target_s *target) } } -int mips_m4k_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +int mips_m4k_set_breakpoint(struct target *target, struct breakpoint *breakpoint) { - mips32_common_t *mips32 = target->arch_info; - mips32_comparator_t * comparator_list = mips32->inst_break_list; + struct mips32_common *mips32 = target->arch_info; + struct mips32_comparator * comparator_list = mips32->inst_break_list; int retval; if (breakpoint->set) @@ -513,10 +512,9 @@ int mips_m4k_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) bp_num++; if (bp_num >= mips32->num_inst_bpoints) { - LOG_DEBUG("ERROR Can not find free FP Comparator(bpid: %d)", + LOG_ERROR("Can not find free FP Comparator(bpid: %d)", breakpoint->unique_id ); - LOG_WARNING("ERROR Can not find free FP Comparator"); - exit(-1); + return ERROR_FAIL; } breakpoint->set = bp_num + 1; comparator_list[bp_num].used = 1; @@ -524,7 +522,7 @@ int mips_m4k_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) target_write_u32(target, comparator_list[bp_num].reg_address, comparator_list[bp_num].bp_value); target_write_u32(target, comparator_list[bp_num].reg_address + 0x08, 0x00000000); target_write_u32(target, comparator_list[bp_num].reg_address + 0x18, 1); - LOG_DEBUG("bpid: %d, bp_num %i bp_value 0x%" PRIx32 "", + LOG_DEBUG("bpid: %d, bp_num %i bp_value 0x%" PRIx32 "", breakpoint->unique_id, bp_num, comparator_list[bp_num].bp_value); } @@ -584,11 +582,11 @@ int mips_m4k_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) return ERROR_OK; } -int mips_m4k_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +int mips_m4k_unset_breakpoint(struct target *target, struct breakpoint *breakpoint) { /* get pointers to arch-specific information */ - mips32_common_t *mips32 = target->arch_info; - mips32_comparator_t * comparator_list = mips32->inst_break_list; + struct mips32_common *mips32 = target->arch_info; + struct mips32_comparator * comparator_list = mips32->inst_break_list; int retval; if (!breakpoint->set) @@ -612,7 +610,7 @@ int mips_m4k_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) comparator_list[bp_num].used = 0; comparator_list[bp_num].bp_value = 0; target_write_u32(target, comparator_list[bp_num].reg_address + 0x18, 0); - + } else { @@ -659,9 +657,9 @@ int mips_m4k_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) return ERROR_OK; } -int mips_m4k_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +int mips_m4k_add_breakpoint(struct target *target, struct breakpoint *breakpoint) { - mips32_common_t *mips32 = target->arch_info; + struct mips32_common *mips32 = target->arch_info; if (breakpoint->type == BKPT_HARD) { @@ -679,10 +677,10 @@ int mips_m4k_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint) return ERROR_OK; } -int mips_m4k_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +int mips_m4k_remove_breakpoint(struct target *target, struct breakpoint *breakpoint) { /* get pointers to arch-specific information */ - mips32_common_t *mips32 = target->arch_info; + struct mips32_common *mips32 = target->arch_info; if (target->state != TARGET_HALTED) { @@ -701,19 +699,19 @@ int mips_m4k_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint return ERROR_OK; } -int mips_m4k_set_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +int mips_m4k_set_watchpoint(struct target *target, struct watchpoint *watchpoint) { - mips32_common_t *mips32 = target->arch_info; - mips32_comparator_t * comparator_list = mips32->data_break_list; + struct mips32_common *mips32 = target->arch_info; + struct mips32_comparator * comparator_list = mips32->data_break_list; int wp_num = 0; /* * watchpoint enabled, ignore all byte lanes in value register * and exclude both load and store accesses from watchpoint * condition evaluation */ - int enable = EJTAG_DBCn_NOSB | EJTAG_DBCn_NOLB | EJTAG_DBCn_BE | + int enable = EJTAG_DBCn_NOSB | EJTAG_DBCn_NOLB | EJTAG_DBCn_BE | (0xff << EJTAG_DBCn_BLM_SHIFT); - + if (watchpoint->set) { LOG_WARNING("watchpoint already set"); @@ -724,9 +722,8 @@ int mips_m4k_set_watchpoint(struct target_s *target, watchpoint_t *watchpoint) wp_num++; if (wp_num >= mips32->num_data_bpoints) { - LOG_DEBUG("ERROR Can not find free FP Comparator"); - LOG_WARNING("ERROR Can not find free FP Comparator"); - exit(-1); + LOG_ERROR("Can not find free FP Comparator"); + return ERROR_FAIL; } if (watchpoint->length != 4) @@ -765,16 +762,16 @@ int mips_m4k_set_watchpoint(struct target_s *target, watchpoint_t *watchpoint) target_write_u32(target, comparator_list[wp_num].reg_address + 0x18, enable); target_write_u32(target, comparator_list[wp_num].reg_address + 0x20, 0); LOG_DEBUG("wp_num %i bp_value 0x%" PRIx32 "", wp_num, comparator_list[wp_num].bp_value); - + return ERROR_OK; } -int mips_m4k_unset_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +int mips_m4k_unset_watchpoint(struct target *target, struct watchpoint *watchpoint) { /* get pointers to arch-specific information */ - mips32_common_t *mips32 = target->arch_info; - mips32_comparator_t * comparator_list = mips32->data_break_list; - + struct mips32_common *mips32 = target->arch_info; + struct mips32_comparator * comparator_list = mips32->data_break_list; + if (!watchpoint->set) { LOG_WARNING("watchpoint not set"); @@ -795,26 +792,26 @@ int mips_m4k_unset_watchpoint(struct target_s *target, watchpoint_t *watchpoint) return ERROR_OK; } -int mips_m4k_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +int mips_m4k_add_watchpoint(struct target *target, struct watchpoint *watchpoint) { - mips32_common_t *mips32 = target->arch_info; + struct mips32_common *mips32 = target->arch_info; if (mips32->num_data_bpoints_avail < 1) { LOG_INFO("no hardware watchpoints available"); return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; } - + mips32->num_data_bpoints_avail--; mips_m4k_set_watchpoint(target, watchpoint); return ERROR_OK; } -int mips_m4k_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +int mips_m4k_remove_watchpoint(struct target *target, struct watchpoint *watchpoint) { /* get pointers to arch-specific information */ - mips32_common_t *mips32 = target->arch_info; + struct mips32_common *mips32 = target->arch_info; if (target->state != TARGET_HALTED) { @@ -832,9 +829,9 @@ int mips_m4k_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint return ERROR_OK; } -void mips_m4k_enable_watchpoints(struct target_s *target) +void mips_m4k_enable_watchpoints(struct target *target) { - watchpoint_t *watchpoint = target->watchpoints; + struct watchpoint *watchpoint = target->watchpoints; /* set any pending watchpoints */ while (watchpoint) @@ -845,10 +842,10 @@ void mips_m4k_enable_watchpoints(struct target_s *target) } } -int mips_m4k_read_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer) +int mips_m4k_read_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer) { - mips32_common_t *mips32 = target->arch_info; - mips_ejtag_t *ejtag_info = &mips32->ejtag_info; + struct mips32_common *mips32 = target->arch_info; + struct mips_ejtag *ejtag_info = &mips32->ejtag_info; LOG_DEBUG("address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32 "", address, size, count); @@ -877,10 +874,10 @@ int mips_m4k_read_memory(struct target_s *target, uint32_t address, uint32_t siz return ERROR_OK; } -int mips_m4k_write_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer) +int mips_m4k_write_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer) { - mips32_common_t *mips32 = target->arch_info; - mips_ejtag_t *ejtag_info = &mips32->ejtag_info; + struct mips32_common *mips32 = target->arch_info; + struct mips_ejtag *ejtag_info = &mips32->ejtag_info; LOG_DEBUG("address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32 "", address, size, count); @@ -904,29 +901,16 @@ int mips_m4k_write_memory(struct target_s *target, uint32_t address, uint32_t si return mips32_dmaacc_write_mem(ejtag_info, address, size, count, (void *)buffer); } -int mips_m4k_register_commands(struct command_context_s *cmd_ctx) -{ - int retval; - - retval = mips32_register_commands(cmd_ctx); - return retval; -} - -int mips_m4k_init_target(struct command_context_s *cmd_ctx, struct target_s *target) +int mips_m4k_init_target(struct command_context *cmd_ctx, struct target *target) { mips32_build_reg_cache(target); return ERROR_OK; } -int mips_m4k_quit(void) -{ - return ERROR_OK; -} - -int mips_m4k_init_arch_info(target_t *target, mips_m4k_common_t *mips_m4k, jtag_tap_t *tap) +int mips_m4k_init_arch_info(struct target *target, struct mips_m4k_common *mips_m4k, struct jtag_tap *tap) { - mips32_common_t *mips32 = &mips_m4k->mips32_common; + struct mips32_common *mips32 = &mips_m4k->mips32_common; mips_m4k->common_magic = MIPSM4K_COMMON_MAGIC; @@ -937,20 +921,20 @@ int mips_m4k_init_arch_info(target_t *target, mips_m4k_common_t *mips_m4k, jtag_ return ERROR_OK; } -int mips_m4k_target_create(struct target_s *target, Jim_Interp *interp) +int mips_m4k_target_create(struct target *target, Jim_Interp *interp) { - mips_m4k_common_t *mips_m4k = calloc(1,sizeof(mips_m4k_common_t)); + struct mips_m4k_common *mips_m4k = calloc(1,sizeof(struct mips_m4k_common)); mips_m4k_init_arch_info(target, mips_m4k, target->tap); return ERROR_OK; } -int mips_m4k_examine(struct target_s *target) +int mips_m4k_examine(struct target *target) { int retval; - mips32_common_t *mips32 = target->arch_info; - mips_ejtag_t *ejtag_info = &mips32->ejtag_info; + struct mips32_common *mips32 = target->arch_info; + struct mips_ejtag *ejtag_info = &mips32->ejtag_info; uint32_t idcode = 0; if (!target_was_examined(target)) @@ -977,12 +961,54 @@ int mips_m4k_examine(struct target_s *target) return ERROR_OK; } -int mips_m4k_bulk_write_memory(target_t *target, uint32_t address, uint32_t count, uint8_t *buffer) +int mips_m4k_bulk_write_memory(struct target *target, uint32_t address, uint32_t count, uint8_t *buffer) { - return mips_m4k_write_memory(target, address, 4, count, buffer); + struct mips32_common *mips32 = target->arch_info; + struct mips_ejtag *ejtag_info = &mips32->ejtag_info; + struct working_area *source; + int retval; + int write = 1; + + LOG_DEBUG("address: 0x%8.8x, count: 0x%8.8x", address, count); + + if (target->state != TARGET_HALTED) + { + LOG_WARNING("target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + /* check alignment */ + if (address & 0x3u) + return ERROR_TARGET_UNALIGNED_ACCESS; + + /* Get memory for block write handler */ + retval = target_alloc_working_area(target, MIPS32_FASTDATA_HANDLER_SIZE, &source); + if (retval != ERROR_OK) + { + LOG_WARNING("No working area available, falling back to non-bulk write"); + return mips_m4k_write_memory(target, address, 4, count, buffer); + } + + /* TAP data register is loaded LSB first (little endian) */ + if (target->endianness == TARGET_BIG_ENDIAN) + { + uint32_t i, t32; + for(i = 0; i < (count * 4); i += 4) + { + t32 = be_to_h_u32((uint8_t *) &buffer[i]); + h_u32_to_le(&buffer[i], t32); + } + } + + retval = mips32_pracc_fastdata_xfer(ejtag_info, source, write, address, count, (uint32_t*) buffer); + + if (source) + target_free_working_area(target, source); + + return retval; } -int mips_m4k_checksum_memory(target_t *target, uint32_t address, uint32_t size, uint32_t *checksum) +int mips_m4k_checksum_memory(struct target *target, uint32_t address, uint32_t size, uint32_t *checksum) { return ERROR_FAIL; /* use bulk read method */ }