X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Ftarget%2Fcortex_m3.c;h=be81af98a1644977f8b7aab42be3e7125df10b4c;hb=97fbd793b3a4edec490b2b034f7b6fe5261ca03e;hp=c9938c9c422154335e61a32e71256141aee9aef3;hpb=2861877b32a7a2f4022a1c3d9b66c9b4879878ac;p=openocd diff --git a/src/target/cortex_m3.c b/src/target/cortex_m3.c index c9938c9c..be81af98 100644 --- a/src/target/cortex_m3.c +++ b/src/target/cortex_m3.c @@ -221,7 +221,7 @@ static int cortex_m3_endreset_event(struct target *target) } swjdp_transaction_endcheck(swjdp); - armv7m_invalidate_core_regs(target); + register_cache_invalidate(cortex_m3->armv7m.core_cache); /* make sure we have latest dhcsr flags */ mem_ap_read_atomic_u32(swjdp, DCB_DHCSR, &cortex_m3->dcb_dhcsr); @@ -334,6 +334,9 @@ static int cortex_m3_debug_entry(struct target *target) xPSR = buf_get_u32(armv7m->core_cache->reg_list[ARMV7M_xPSR].value, 0, 32); #ifdef ARMV7_GDB_HACKS + /* FIXME this breaks on scan chains with more than one Cortex-M3. + * Instead, each CM3 should have its own dummy value... + */ /* copy real xpsr reg for gdb, setting thumb bit */ buf_set_u32(armv7m_gdb_dummy_cpsr_value, 0, 32, xPSR); buf_set_u32(armv7m_gdb_dummy_cpsr_value, 5, 1, 1); @@ -507,7 +510,7 @@ static int cortex_m3_soft_reset_halt(struct target *target) target->state = TARGET_RESET; /* registers are now invalid */ - armv7m_invalidate_core_regs(target); + register_cache_invalidate(cortex_m3->armv7m.core_cache); while (timeout < 100) { @@ -614,7 +617,8 @@ static int cortex_m3_resume(struct target *target, int current, target->debug_reason = DBG_REASON_NOTHALTED; /* registers are now invalid */ - armv7m_invalidate_core_regs(target); + register_cache_invalidate(armv7m->core_cache); + if (!debug_execution) { target->state = TARGET_RUNNING; @@ -670,7 +674,7 @@ static int cortex_m3_step(struct target *target, int current, mem_ap_read_atomic_u32(swjdp, DCB_DHCSR, &cortex_m3->dcb_dhcsr); /* registers are now invalid */ - armv7m_invalidate_core_regs(target); + register_cache_invalidate(cortex_m3->armv7m.core_cache); if (breakpoint) cortex_m3_set_breakpoint(target, breakpoint); @@ -809,7 +813,7 @@ static int cortex_m3_assert_reset(struct target *target) target->state = TARGET_RESET; jtag_add_sleep(50000); - armv7m_invalidate_core_regs(target); + register_cache_invalidate(cortex_m3->armv7m.core_cache); if (target->reset_halt) { @@ -1895,18 +1899,11 @@ COMMAND_HANDLER(handle_cortex_m3_mask_interrupts_command) if (CMD_ARGC > 0) { - if (!strcmp(CMD_ARGV[0], "on")) - { - cortex_m3_write_debug_halt_mask(target, C_HALT | C_MASKINTS, 0); - } - else if (!strcmp(CMD_ARGV[0], "off")) - { - cortex_m3_write_debug_halt_mask(target, C_HALT, C_MASKINTS); - } - else - { - command_print(CMD_CTX, "usage: cortex_m3 maskisr ['on'|'off']"); - } + bool enable; + COMMAND_PARSE_ON_OFF(CMD_ARGV[0], enable); + uint32_t mask_on = C_HALT | (enable ? C_MASKINTS : 0); + uint32_t mask_off = enable ? 0 : C_MASKINTS; + cortex_m3_write_debug_halt_mask(target, mask_on, mask_off); } command_print(CMD_CTX, "cortex_m3 interrupt mask %s", @@ -1915,27 +1912,44 @@ COMMAND_HANDLER(handle_cortex_m3_mask_interrupts_command) return ERROR_OK; } +static const struct command_registration cortex_m3_exec_command_handlers[] = { + { + .name = "disassemble", + .handler = &handle_cortex_m3_disassemble_command, + .mode = COMMAND_EXEC, + .help = "disassemble Thumb2 instructions", + .usage = "
[]", + }, + { + .name = "maskisr", + .handler = &handle_cortex_m3_mask_interrupts_command, + .mode = COMMAND_EXEC, + .help = "mask cortex_m3 interrupts", + .usage = "['on'|'off']", + }, + { + .name = "vector_catch", + .handler = &handle_cortex_m3_vector_catch_command, + .mode = COMMAND_EXEC, + .help = "catch hardware vectors", + .usage = "['all'|'none'|]", + }, + COMMAND_REGISTRATION_DONE +}; +static const struct command_registration cortex_m3_command_handlers[] = { + { + .name = "cortex_m3", + .mode = COMMAND_ANY, + .help = "Cortex-M3 command group", + .chain = cortex_m3_exec_command_handlers, + }, + COMMAND_REGISTRATION_DONE +}; + static int cortex_m3_register_commands(struct command_context *cmd_ctx) { - int retval; - struct command *cortex_m3_cmd; - - retval = armv7m_register_commands(cmd_ctx); - - cortex_m3_cmd = register_command(cmd_ctx, NULL, "cortex_m3", - NULL, COMMAND_ANY, "cortex_m3 specific commands"); - - register_command(cmd_ctx, cortex_m3_cmd, "disassemble", - handle_cortex_m3_disassemble_command, COMMAND_EXEC, - "disassemble Thumb2 instructions
[]"); - register_command(cmd_ctx, cortex_m3_cmd, "maskisr", - handle_cortex_m3_mask_interrupts_command, COMMAND_EXEC, - "mask cortex_m3 interrupts ['on'|'off']"); - register_command(cmd_ctx, cortex_m3_cmd, "vector_catch", - handle_cortex_m3_vector_catch_command, COMMAND_EXEC, - "catch hardware vectors ['all'|'none'|]"); - - return retval; + armv7m_register_commands(cmd_ctx); + return register_commands(cmd_ctx, NULL, cortex_m3_command_handlers); } struct target_type cortexm3_target =