X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Fcortex_m3.c;h=8279a8b939400270960a6dbbaf5b25d01a190934;hp=caeeac7a35f4e464fcb66bb9e2683197a410b714;hb=a1777fc6493b4c1879ef133c565327212859d37c;hpb=e8a6e3b2f4e1b0f3cccfa01c486fbdd952842801 diff --git a/src/target/cortex_m3.c b/src/target/cortex_m3.c index caeeac7a35..8279a8b939 100644 --- a/src/target/cortex_m3.c +++ b/src/target/cortex_m3.c @@ -31,29 +31,29 @@ #include "config.h" #endif +#include "breakpoints.h" #include "cortex_m3.h" #include "target_request.h" #include "target_type.h" #include "arm_disassembler.h" +#include "register.h" /* NOTE: most of this should work fine for the Cortex-M1 and * Cortex-M0 cores too, although they're ARMv6-M not ARMv7-M. */ -#define ARRAY_SIZE(x) ((int)(sizeof(x)/sizeof((x)[0]))) - /* forward declarations */ -static int cortex_m3_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint); -static int cortex_m3_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint); -static void cortex_m3_enable_watchpoints(struct target_s *target); -static int cortex_m3_store_core_reg_u32(target_t *target, +static int cortex_m3_set_breakpoint(struct target *target, struct breakpoint *breakpoint); +static int cortex_m3_unset_breakpoint(struct target *target, struct breakpoint *breakpoint); +static void cortex_m3_enable_watchpoints(struct target *target); +static int cortex_m3_store_core_reg_u32(struct target *target, enum armv7m_regtype type, uint32_t num, uint32_t value); #ifdef ARMV7_GDB_HACKS extern uint8_t armv7m_gdb_dummy_cpsr_value[]; -extern reg_t armv7m_gdb_dummy_cpsr_reg; +extern struct reg armv7m_gdb_dummy_cpsr_reg; #endif static int cortexm3_dap_read_coreregister_u32(struct swjdp_common *swjdp, @@ -118,10 +118,10 @@ static int cortexm3_dap_write_coreregister_u32(struct swjdp_common *swjdp, return retval; } -static int cortex_m3_write_debug_halt_mask(target_t *target, +static int cortex_m3_write_debug_halt_mask(struct target *target, uint32_t mask_on, uint32_t mask_off) { - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); struct swjdp_common *swjdp = &cortex_m3->armv7m.swjdp_info; /* mask off status bits */ @@ -132,9 +132,9 @@ static int cortex_m3_write_debug_halt_mask(target_t *target, return mem_ap_write_atomic_u32(swjdp, DCB_DHCSR, cortex_m3->dcb_dhcsr); } -static int cortex_m3_clear_halt(target_t *target) +static int cortex_m3_clear_halt(struct target *target) { - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); struct swjdp_common *swjdp = &cortex_m3->armv7m.swjdp_info; /* clear step if any */ @@ -149,9 +149,9 @@ static int cortex_m3_clear_halt(target_t *target) return ERROR_OK; } -static int cortex_m3_single_step_core(target_t *target) +static int cortex_m3_single_step_core(struct target *target) { - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); struct swjdp_common *swjdp = &cortex_m3->armv7m.swjdp_info; uint32_t dhcsr_save; @@ -171,14 +171,14 @@ static int cortex_m3_single_step_core(target_t *target) return ERROR_OK; } -static int cortex_m3_endreset_event(target_t *target) +static int cortex_m3_endreset_event(struct target *target) { int i; uint32_t dcb_demcr; - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); struct swjdp_common *swjdp = &cortex_m3->armv7m.swjdp_info; - cortex_m3_fp_comparator_t *fp_list = cortex_m3->fp_comparator_list; - cortex_m3_dwt_comparator_t *dwt_list = cortex_m3->dwt_comparator_list; + struct cortex_m3_fp_comparator *fp_list = cortex_m3->fp_comparator_list; + struct cortex_m3_dwt_comparator *dwt_list = cortex_m3->dwt_comparator_list; mem_ap_read_atomic_u32(swjdp, DCB_DEMCR, &dcb_demcr); LOG_DEBUG("DCB_DEMCR = 0x%8.8" PRIx32 "",dcb_demcr); @@ -221,7 +221,7 @@ static int cortex_m3_endreset_event(target_t *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); @@ -229,9 +229,9 @@ static int cortex_m3_endreset_event(target_t *target) return ERROR_OK; } -static int cortex_m3_examine_debug_reason(target_t *target) +static int cortex_m3_examine_debug_reason(struct target *target) { - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); /* THIS IS NOT GOOD, TODO - better logic for detection of debug state reason */ /* only check the debug reason if we don't know it already */ @@ -256,7 +256,7 @@ static int cortex_m3_examine_debug_reason(target_t *target) return ERROR_OK; } -static int cortex_m3_examine_exception_reason(target_t *target) +static int cortex_m3_examine_exception_reason(struct target *target) { uint32_t shcsr, except_sr, cfsr = -1, except_ar = -1; struct armv7m_common *armv7m = target_to_armv7m(target); @@ -304,12 +304,12 @@ static int cortex_m3_examine_exception_reason(target_t *target) return ERROR_OK; } -static int cortex_m3_debug_entry(target_t *target) +static int cortex_m3_debug_entry(struct target *target) { int i; uint32_t xPSR; int retval; - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); struct armv7m_common *armv7m = &cortex_m3->armv7m; struct swjdp_common *swjdp = &armv7m->swjdp_info; @@ -334,6 +334,9 @@ static int cortex_m3_debug_entry(target_t *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); @@ -376,11 +379,11 @@ static int cortex_m3_debug_entry(target_t *target) return ERROR_OK; } -static int cortex_m3_poll(target_t *target) +static int cortex_m3_poll(struct target *target) { int retval; enum target_state prev_target_state = target->state; - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); struct swjdp_common *swjdp = &cortex_m3->armv7m.swjdp_info; /* Read from Debug Halting Control and Status Register */ @@ -450,7 +453,7 @@ static int cortex_m3_poll(target_t *target) return ERROR_OK; } -static int cortex_m3_halt(target_t *target) +static int cortex_m3_halt(struct target *target) { LOG_DEBUG("target->state: %s", target_state_name(target)); @@ -492,9 +495,9 @@ static int cortex_m3_halt(target_t *target) return ERROR_OK; } -static int cortex_m3_soft_reset_halt(struct target_s *target) +static int cortex_m3_soft_reset_halt(struct target *target) { - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); struct swjdp_common *swjdp = &cortex_m3->armv7m.swjdp_info; uint32_t dcb_dhcsr = 0; int retval, timeout = 0; @@ -507,7 +510,7 @@ static int cortex_m3_soft_reset_halt(struct target_s *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) { @@ -531,9 +534,9 @@ static int cortex_m3_soft_reset_halt(struct target_s *target) return ERROR_OK; } -static void cortex_m3_enable_breakpoints(struct target_s *target) +static void cortex_m3_enable_breakpoints(struct target *target) { - breakpoint_t *breakpoint = target->breakpoints; + struct breakpoint *breakpoint = target->breakpoints; /* set any pending breakpoints */ while (breakpoint) @@ -544,11 +547,11 @@ static void cortex_m3_enable_breakpoints(struct target_s *target) } } -static int cortex_m3_resume(struct target_s *target, int current, +static int cortex_m3_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution) { struct armv7m_common *armv7m = target_to_armv7m(target); - breakpoint_t *breakpoint = NULL; + struct breakpoint *breakpoint = NULL; uint32_t resume_pc; if (target->state != TARGET_HALTED) @@ -614,7 +617,8 @@ static int cortex_m3_resume(struct target_s *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; @@ -632,13 +636,13 @@ static int cortex_m3_resume(struct target_s *target, int current, } /* int irqstepcount = 0; */ -static int cortex_m3_step(struct target_s *target, int current, +static int cortex_m3_step(struct target *target, int current, uint32_t address, int handle_breakpoints) { - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); struct armv7m_common *armv7m = &cortex_m3->armv7m; struct swjdp_common *swjdp = &armv7m->swjdp_info; - breakpoint_t *breakpoint = NULL; + struct breakpoint *breakpoint = NULL; if (target->state != TARGET_HALTED) { @@ -670,7 +674,7 @@ static int cortex_m3_step(struct target_s *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); @@ -684,9 +688,9 @@ static int cortex_m3_step(struct target_s *target, int current, return ERROR_OK; } -static int cortex_m3_assert_reset(target_t *target) +static int cortex_m3_assert_reset(struct target *target) { - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); struct swjdp_common *swjdp = &cortex_m3->armv7m.swjdp_info; int assert_srst = 1; @@ -809,7 +813,7 @@ static int cortex_m3_assert_reset(target_t *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) { @@ -821,7 +825,7 @@ static int cortex_m3_assert_reset(target_t *target) return ERROR_OK; } -static int cortex_m3_deassert_reset(target_t *target) +static int cortex_m3_deassert_reset(struct target *target) { LOG_DEBUG("target->state: %s", target_state_name(target)); @@ -833,13 +837,13 @@ static int cortex_m3_deassert_reset(target_t *target) } static int -cortex_m3_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +cortex_m3_set_breakpoint(struct target *target, struct breakpoint *breakpoint) { int retval; int fp_num = 0; uint32_t hilo; - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); - cortex_m3_fp_comparator_t *comparator_list = cortex_m3->fp_comparator_list; + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); + struct cortex_m3_fp_comparator *comparator_list = cortex_m3->fp_comparator_list; if (breakpoint->set) { @@ -858,9 +862,8 @@ cortex_m3_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) fp_num++; if (fp_num >= cortex_m3->fp_num_code) { - 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 FPB Comparator!"); + return ERROR_FAIL; } breakpoint->set = fp_num + 1; hilo = (breakpoint->address & 0x2) ? FPCR_REPLACE_BKPT_HIGH : FPCR_REPLACE_BKPT_LOW; @@ -900,11 +903,11 @@ cortex_m3_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) } static int -cortex_m3_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +cortex_m3_unset_breakpoint(struct target *target, struct breakpoint *breakpoint) { int retval; - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); - cortex_m3_fp_comparator_t * comparator_list = cortex_m3->fp_comparator_list; + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); + struct cortex_m3_fp_comparator * comparator_list = cortex_m3->fp_comparator_list; if (!breakpoint->set) { @@ -955,9 +958,9 @@ cortex_m3_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) } static int -cortex_m3_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +cortex_m3_add_breakpoint(struct target *target, struct breakpoint *breakpoint) { - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); if (cortex_m3->auto_bp_type) { @@ -1004,9 +1007,9 @@ cortex_m3_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint) } static int -cortex_m3_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +cortex_m3_remove_breakpoint(struct target *target, struct breakpoint *breakpoint) { - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); /* REVISIT why check? FBP can be updated with core running ... */ if (target->state != TARGET_HALTED) @@ -1032,11 +1035,11 @@ cortex_m3_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint) } static int -cortex_m3_set_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +cortex_m3_set_watchpoint(struct target *target, struct watchpoint *watchpoint) { int dwt_num = 0; uint32_t mask, temp; - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); /* watchpoint params were validated earlier */ mask = 0; @@ -1052,7 +1055,7 @@ cortex_m3_set_watchpoint(struct target_s *target, watchpoint_t *watchpoint) * watchpoint using comparator #1; comparator #0 matching cycle * count; send data trace info through ITM and TPIU; etc */ - cortex_m3_dwt_comparator_t *comparator; + struct cortex_m3_dwt_comparator *comparator; for (comparator = cortex_m3->dwt_comparator_list; comparator->used && dwt_num < cortex_m3->dwt_num_comp; @@ -1097,10 +1100,10 @@ cortex_m3_set_watchpoint(struct target_s *target, watchpoint_t *watchpoint) } static int -cortex_m3_unset_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +cortex_m3_unset_watchpoint(struct target *target, struct watchpoint *watchpoint) { - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); - cortex_m3_dwt_comparator_t *comparator; + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); + struct cortex_m3_dwt_comparator *comparator; int dwt_num; if (!watchpoint->set) @@ -1134,9 +1137,9 @@ cortex_m3_unset_watchpoint(struct target_s *target, watchpoint_t *watchpoint) } static int -cortex_m3_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +cortex_m3_add_watchpoint(struct target *target, struct watchpoint *watchpoint) { - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); /* REVISIT why check? DWT can be updated with core running ... */ if (target->state != TARGET_HALTED) @@ -1192,9 +1195,9 @@ cortex_m3_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint) } static int -cortex_m3_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +cortex_m3_remove_watchpoint(struct target *target, struct watchpoint *watchpoint) { - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); /* REVISIT why check? DWT can be updated with core running ... */ if (target->state != TARGET_HALTED) @@ -1214,9 +1217,9 @@ cortex_m3_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint) return ERROR_OK; } -static void cortex_m3_enable_watchpoints(struct target_s *target) +static void cortex_m3_enable_watchpoints(struct target *target) { - watchpoint_t *watchpoint = target->watchpoints; + struct watchpoint *watchpoint = target->watchpoints; /* set any pending watchpoints */ while (watchpoint) @@ -1227,7 +1230,7 @@ static void cortex_m3_enable_watchpoints(struct target_s *target) } } -static int cortex_m3_load_core_reg_u32(struct target_s *target, +static int cortex_m3_load_core_reg_u32(struct target *target, enum armv7m_regtype type, uint32_t num, uint32_t * value) { int retval; @@ -1290,7 +1293,7 @@ static int cortex_m3_load_core_reg_u32(struct target_s *target, return ERROR_OK; } -static int cortex_m3_store_core_reg_u32(struct target_s *target, +static int cortex_m3_store_core_reg_u32(struct target *target, enum armv7m_regtype type, uint32_t num, uint32_t value) { int retval; @@ -1367,21 +1370,16 @@ static int cortex_m3_store_core_reg_u32(struct target_s *target, return ERROR_OK; } -static int cortex_m3_read_memory(struct target_s *target, uint32_t address, +static int cortex_m3_read_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer) { struct armv7m_common *armv7m = target_to_armv7m(target); struct swjdp_common *swjdp = &armv7m->swjdp_info; - int retval; - - /* sanitize arguments */ - if (((size != 4) && (size != 2) && (size != 1)) || (count == 0) || !(buffer)) - return ERROR_INVALID_ARGUMENTS; + int retval = ERROR_INVALID_ARGUMENTS; /* cortex_m3 handles unaligned memory access */ - - switch (size) - { + if (count && buffer) { + switch (size) { case 4: retval = mem_ap_read_buf_u32(swjdp, buffer, 4 * count, address); break; @@ -1391,27 +1389,21 @@ static int cortex_m3_read_memory(struct target_s *target, uint32_t address, case 1: retval = mem_ap_read_buf_u8(swjdp, buffer, count, address); break; - default: - LOG_ERROR("BUG: we shouldn't get here"); - exit(-1); + } } return retval; } -static int cortex_m3_write_memory(struct target_s *target, uint32_t address, +static int cortex_m3_write_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer) { struct armv7m_common *armv7m = target_to_armv7m(target); struct swjdp_common *swjdp = &armv7m->swjdp_info; - int retval; + int retval = ERROR_INVALID_ARGUMENTS; - /* sanitize arguments */ - if (((size != 4) && (size != 2) && (size != 1)) || (count == 0) || !(buffer)) - return ERROR_INVALID_ARGUMENTS; - - switch (size) - { + if (count && buffer) { + switch (size) { case 4: retval = mem_ap_write_buf_u32(swjdp, buffer, 4 * count, address); break; @@ -1421,22 +1413,20 @@ static int cortex_m3_write_memory(struct target_s *target, uint32_t address, case 1: retval = mem_ap_write_buf_u8(swjdp, buffer, count, address); break; - default: - LOG_ERROR("BUG: we shouldn't get here"); - exit(-1); + } } return retval; } -static int cortex_m3_bulk_write_memory(target_t *target, uint32_t address, +static int cortex_m3_bulk_write_memory(struct target *target, uint32_t address, uint32_t count, uint8_t *buffer) { return cortex_m3_write_memory(target, address, 4, count, buffer); } -static int cortex_m3_init_target(struct command_context_s *cmd_ctx, - struct target_s *target) +static int cortex_m3_init_target(struct command_context *cmd_ctx, + struct target *target) { armv7m_build_reg_cache(target); return ERROR_OK; @@ -1448,19 +1438,19 @@ static int cortex_m3_init_target(struct command_context_s *cmd_ctx, */ struct dwt_reg_state { - struct target_s *target; + struct target *target; uint32_t addr; uint32_t value; /* scratch/cache */ }; -static int cortex_m3_dwt_get_reg(struct reg_s *reg) +static int cortex_m3_dwt_get_reg(struct reg *reg) { struct dwt_reg_state *state = reg->arch_info; return target_read_u32(state->target, state->addr, &state->value); } -static int cortex_m3_dwt_set_reg(struct reg_s *reg, uint8_t *buf) +static int cortex_m3_dwt_set_reg(struct reg *reg, uint8_t *buf) { struct dwt_reg_state *state = reg->arch_info; @@ -1492,10 +1482,13 @@ static struct dwt_reg dwt_comp[] = { #undef DWT_COMPARATOR }; -static int dwt_reg_type = -1; +static const struct reg_arch_type dwt_reg_type = { + .get = cortex_m3_dwt_get_reg, + .set = cortex_m3_dwt_set_reg, +}; static void -cortex_m3_dwt_addreg(struct target_s *t, struct reg_s *r, struct dwt_reg *d) +cortex_m3_dwt_addreg(struct target *t, struct reg *r, struct dwt_reg *d) { struct dwt_reg_state *state; @@ -1509,15 +1502,15 @@ cortex_m3_dwt_addreg(struct target_s *t, struct reg_s *r, struct dwt_reg *d) r->size = d->size; r->value = &state->value; r->arch_info = state; - r->arch_type = dwt_reg_type; + r->type = &dwt_reg_type; } static void -cortex_m3_dwt_setup(cortex_m3_common_t *cm3, struct target_s *target) +cortex_m3_dwt_setup(struct cortex_m3_common *cm3, struct target *target) { uint32_t dwtcr; - struct reg_cache_s *cache; - cortex_m3_dwt_comparator_t *comparator; + struct reg_cache *cache; + struct cortex_m3_dwt_comparator *comparator; int reg, i; target_read_u32(target, DWT_CTRL, &dwtcr); @@ -1526,14 +1519,10 @@ cortex_m3_dwt_setup(cortex_m3_common_t *cm3, struct target_s *target) return; } - if (dwt_reg_type < 0) - dwt_reg_type = register_reg_arch_type(cortex_m3_dwt_get_reg, - cortex_m3_dwt_set_reg); - cm3->dwt_num_comp = (dwtcr >> 28) & 0xF; cm3->dwt_comp_available = cm3->dwt_num_comp; cm3->dwt_comparator_list = calloc(cm3->dwt_num_comp, - sizeof(cortex_m3_dwt_comparator_t)); + sizeof(struct cortex_m3_dwt_comparator)); if (!cm3->dwt_comparator_list) { fail0: cm3->dwt_num_comp = 0; @@ -1582,12 +1571,12 @@ fail1: */ } -static int cortex_m3_examine(struct target_s *target) +static int cortex_m3_examine(struct target *target) { int retval; uint32_t cpuid, fpcr; int i; - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); struct swjdp_common *swjdp = &cortex_m3->armv7m.swjdp_info; if ((retval = ahbap_debugport_init(swjdp)) != ERROR_OK) @@ -1614,7 +1603,7 @@ static int cortex_m3_examine(struct target_s *target) cortex_m3->fp_num_code = ((fpcr >> 8) & 0x70) | ((fpcr >> 4) & 0xF); /* bits [14:12] and [7:4] */ cortex_m3->fp_num_lit = (fpcr >> 8) & 0xF; cortex_m3->fp_code_available = cortex_m3->fp_num_code; - cortex_m3->fp_comparator_list = calloc(cortex_m3->fp_num_code + cortex_m3->fp_num_lit, sizeof(cortex_m3_fp_comparator_t)); + cortex_m3->fp_comparator_list = calloc(cortex_m3->fp_num_code + cortex_m3->fp_num_lit, sizeof(struct cortex_m3_fp_comparator)); cortex_m3->fpb_enabled = fpcr & 1; for (i = 0; i < cortex_m3->fp_num_code + cortex_m3->fp_num_lit; i++) { @@ -1651,7 +1640,7 @@ static int cortex_m3_dcc_read(struct swjdp_common *swjdp, uint8_t *value, uint8_ return ERROR_OK; } -static int cortex_m3_target_request_data(target_t *target, +static int cortex_m3_target_request_data(struct target *target, uint32_t size, uint8_t *buffer) { struct armv7m_common *armv7m = target_to_armv7m(target); @@ -1671,7 +1660,7 @@ static int cortex_m3_target_request_data(target_t *target, static int cortex_m3_handle_target_request(void *priv) { - target_t *target = priv; + struct target *target = priv; if (!target_was_examined(target)) return ERROR_OK; struct armv7m_common *armv7m = target_to_armv7m(target); @@ -1707,8 +1696,8 @@ static int cortex_m3_handle_target_request(void *priv) return ERROR_OK; } -static int cortex_m3_init_arch_info(target_t *target, - cortex_m3_common_t *cortex_m3, struct jtag_tap *tap) +static int cortex_m3_init_arch_info(struct target *target, + struct cortex_m3_common *cortex_m3, struct jtag_tap *tap) { int retval; struct armv7m_common *armv7m = &cortex_m3->armv7m; @@ -1747,9 +1736,9 @@ static int cortex_m3_init_arch_info(target_t *target, return ERROR_OK; } -static int cortex_m3_target_create(struct target_s *target, Jim_Interp *interp) +static int cortex_m3_target_create(struct target *target, Jim_Interp *interp) { - cortex_m3_common_t *cortex_m3 = calloc(1,sizeof(cortex_m3_common_t)); + struct cortex_m3_common *cortex_m3 = calloc(1,sizeof(struct cortex_m3_common)); cortex_m3->common_magic = CORTEX_M3_COMMON_MAGIC; cortex_m3_init_arch_info(target, cortex_m3, target->tap); @@ -1759,8 +1748,8 @@ static int cortex_m3_target_create(struct target_s *target, Jim_Interp *interp) /*--------------------------------------------------------------------------*/ -static int cortex_m3_verify_pointer(struct command_context_s *cmd_ctx, - struct cortex_m3_common_s *cm3) +static int cortex_m3_verify_pointer(struct command_context *cmd_ctx, + struct cortex_m3_common *cm3) { if (cm3->common_magic != CORTEX_M3_COMMON_MAGIC) { command_print(cmd_ctx, "target is not a Cortex-M3"); @@ -1784,26 +1773,26 @@ static int cortex_m3_verify_pointer(struct command_context_s *cmd_ctx, COMMAND_HANDLER(handle_cortex_m3_disassemble_command) { int retval; - target_t *target = get_current_target(cmd_ctx); - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct target *target = get_current_target(CMD_CTX); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); uint32_t address; unsigned long count = 1; - arm_instruction_t cur_instruction; + struct arm_instruction cur_instruction; - retval = cortex_m3_verify_pointer(cmd_ctx, cortex_m3); + retval = cortex_m3_verify_pointer(CMD_CTX, cortex_m3); if (retval != ERROR_OK) return retval; errno = 0; - switch (argc) { + switch (CMD_ARGC) { case 2: - COMMAND_PARSE_NUMBER(ulong, args[1], count); + COMMAND_PARSE_NUMBER(ulong, CMD_ARGV[1], count); /* FALL THROUGH */ case 1: - COMMAND_PARSE_NUMBER(u32, args[0], address); + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address); break; default: - command_print(cmd_ctx, + command_print(CMD_CTX, "usage: cortex_m3 disassemble
[]"); return ERROR_OK; } @@ -1812,7 +1801,7 @@ COMMAND_HANDLER(handle_cortex_m3_disassemble_command) retval = thumb2_opcode(target, address, &cur_instruction); if (retval != ERROR_OK) return retval; - command_print(cmd_ctx, "%s", cur_instruction.text); + command_print(CMD_CTX, "%s", cur_instruction.text); address += cur_instruction.instruction_size; } @@ -1835,42 +1824,42 @@ static const struct { COMMAND_HANDLER(handle_cortex_m3_vector_catch_command) { - target_t *target = get_current_target(cmd_ctx); - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct target *target = get_current_target(CMD_CTX); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); struct armv7m_common *armv7m = &cortex_m3->armv7m; struct swjdp_common *swjdp = &armv7m->swjdp_info; uint32_t demcr = 0; int retval; - int i; - retval = cortex_m3_verify_pointer(cmd_ctx, cortex_m3); + retval = cortex_m3_verify_pointer(CMD_CTX, cortex_m3); if (retval != ERROR_OK) return retval; mem_ap_read_atomic_u32(swjdp, DCB_DEMCR, &demcr); - if (argc > 0) { + if (CMD_ARGC > 0) { unsigned catch = 0; - if (argc == 1) { - if (strcmp(args[0], "all") == 0) { + if (CMD_ARGC == 1) { + if (strcmp(CMD_ARGV[0], "all") == 0) { catch = VC_HARDERR | VC_INTERR | VC_BUSERR | VC_STATERR | VC_CHKERR | VC_NOCPERR | VC_MMERR | VC_CORERESET; goto write; - } else if (strcmp(args[0], "none") == 0) { + } else if (strcmp(CMD_ARGV[0], "none") == 0) { goto write; } } - while (argc-- > 0) { + while (CMD_ARGC-- > 0) { + unsigned i; for (i = 0; i < ARRAY_SIZE(vec_ids); i++) { - if (strcmp(args[argc], vec_ids[i].name) != 0) + if (strcmp(CMD_ARGV[CMD_ARGC], vec_ids[i].name) != 0) continue; catch |= vec_ids[i].mask; break; } if (i == ARRAY_SIZE(vec_ids)) { - LOG_ERROR("No CM3 vector '%s'", args[argc]); + LOG_ERROR("No CM3 vector '%s'", CMD_ARGV[CMD_ARGC]); return ERROR_INVALID_ARGUMENTS; } } @@ -1883,55 +1872,50 @@ write: mem_ap_read_atomic_u32(swjdp, DCB_DEMCR, &demcr); } - for (i = 0; i < ARRAY_SIZE(vec_ids); i++) - command_print(cmd_ctx, "%9s: %s", vec_ids[i].name, + for (unsigned i = 0; i < ARRAY_SIZE(vec_ids); i++) + { + command_print(CMD_CTX, "%9s: %s", vec_ids[i].name, (demcr & vec_ids[i].mask) ? "catch" : "ignore"); + } return ERROR_OK; } COMMAND_HANDLER(handle_cortex_m3_mask_interrupts_command) { - target_t *target = get_current_target(cmd_ctx); - struct cortex_m3_common_s *cortex_m3 = target_to_cm3(target); + struct target *target = get_current_target(CMD_CTX); + struct cortex_m3_common *cortex_m3 = target_to_cm3(target); int retval; - retval = cortex_m3_verify_pointer(cmd_ctx, cortex_m3); + retval = cortex_m3_verify_pointer(CMD_CTX, cortex_m3); if (retval != ERROR_OK) return retval; if (target->state != TARGET_HALTED) { - command_print(cmd_ctx, "target must be stopped for \"%s\" command", CMD_NAME); + command_print(CMD_CTX, "target must be stopped for \"%s\" command", CMD_NAME); return ERROR_OK; } - if (argc > 0) + if (CMD_ARGC > 0) { - if (!strcmp(args[0], "on")) - { - cortex_m3_write_debug_halt_mask(target, C_HALT | C_MASKINTS, 0); - } - else if (!strcmp(args[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", + command_print(CMD_CTX, "cortex_m3 interrupt mask %s", (cortex_m3->dcb_dhcsr & C_MASKINTS) ? "on" : "off"); return ERROR_OK; } -static int cortex_m3_register_commands(struct command_context_s *cmd_ctx) +static int cortex_m3_register_commands(struct command_context *cmd_ctx) { int retval; - command_t *cortex_m3_cmd; + struct command *cortex_m3_cmd; retval = armv7m_register_commands(cmd_ctx); @@ -1951,7 +1935,7 @@ static int cortex_m3_register_commands(struct command_context_s *cmd_ctx) return retval; } -target_type_t cortexm3_target = +struct target_type cortexm3_target = { .name = "cortex_m3",