X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Farm7tdmi.c;h=dc2cfbd35e8e15a2e48adba8b6cd781d40edb266;hp=27a8337fcfc79c3b647b5a5cd9220883aa7ee2a3;hb=ccde06a08fbf9c4f57b321dbec0509f73239c2de;hpb=b7e4c26b9bb10e6e0ebfb07e5d43f0d62526cde2 diff --git a/src/target/arm7tdmi.c b/src/target/arm7tdmi.c index 27a8337fcf..dc2cfbd35e 100644 --- a/src/target/arm7tdmi.c +++ b/src/target/arm7tdmi.c @@ -44,15 +44,13 @@ static int arm7tdmi_examine_debug_reason(target_t *target) { int retval = ERROR_OK; - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); /* only check the debug reason if we don't know it already */ if ((target->debug_reason != DBG_REASON_DBGRQ) && (target->debug_reason != DBG_REASON_SINGLESTEP)) { - scan_field_t fields[2]; + struct scan_field fields[2]; uint8_t databus[4]; uint8_t breakpoint; @@ -98,7 +96,7 @@ static int arm7tdmi_examine_debug_reason(target_t *target) static const int arm7tdmi_num_bits[] = {1, 32}; -static __inline int arm7tdmi_clock_out_inner(arm_jtag_t *jtag_info, uint32_t out, int breakpoint) +static __inline int arm7tdmi_clock_out_inner(struct arm_jtag *jtag_info, uint32_t out, int breakpoint) { uint32_t values[2]={breakpoint, flip_u32(out, 32)}; @@ -118,7 +116,7 @@ static __inline int arm7tdmi_clock_out_inner(arm_jtag_t *jtag_info, uint32_t out * * FIXME remove the unused "deprecated" parameter */ -static __inline int arm7tdmi_clock_out(arm_jtag_t *jtag_info, +static __inline int arm7tdmi_clock_out(struct arm_jtag *jtag_info, uint32_t out, uint32_t *deprecated, int breakpoint) { jtag_set_end_state(TAP_DRPAUSE); @@ -129,10 +127,10 @@ static __inline int arm7tdmi_clock_out(arm_jtag_t *jtag_info, } /* clock the target, reading the databus */ -static int arm7tdmi_clock_data_in(arm_jtag_t *jtag_info, uint32_t *in) +static int arm7tdmi_clock_data_in(struct arm_jtag *jtag_info, uint32_t *in) { int retval = ERROR_OK; - scan_field_t fields[2]; + struct scan_field fields[2]; jtag_set_end_state(TAP_DRPAUSE); if ((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK) @@ -215,11 +213,11 @@ static int arm7endianness(jtag_callback_data_t arg, * the *in pointer points to a buffer where elements of 'size' bytes * are stored in big (be == 1) or little (be == 0) endianness */ -static int arm7tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, +static int arm7tdmi_clock_data_in_endianness(struct arm_jtag *jtag_info, void *in, int size, int be) { int retval = ERROR_OK; - scan_field_t fields[2]; + struct scan_field fields[2]; jtag_set_end_state(TAP_DRPAUSE); if ((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK) @@ -268,10 +266,8 @@ static int arm7tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, static void arm7tdmi_change_to_arm(target_t *target, uint32_t *r0, uint32_t *pc) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* save r0 before using it and put system in ARM state * to allow common handling of ARM and THUMB debugging */ @@ -327,10 +323,8 @@ static void arm7tdmi_read_core_regs(target_t *target, uint32_t mask, uint32_t* core_regs[16]) { int i; - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* STMIA r0-15, [r0] at debug speed * register values will start to appear on 4th DCLK @@ -354,10 +348,8 @@ static void arm7tdmi_read_core_regs_target_buffer(target_t *target, uint32_t mask, void* buffer, int size) { int i; - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; int be = (target->endianness == TARGET_BIG_ENDIAN) ? 1 : 0; uint32_t *buf_u32 = buffer; uint16_t *buf_u16 = buffer; @@ -396,10 +388,8 @@ static void arm7tdmi_read_core_regs_target_buffer(target_t *target, static void arm7tdmi_read_xpsr(target_t *target, uint32_t *xpsr, int spsr) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* MRS r0, cpsr */ arm7tdmi_clock_out(jtag_info, ARMV4_5_MRS(0, spsr & 1), NULL, 0); @@ -416,10 +406,8 @@ static void arm7tdmi_read_xpsr(target_t *target, uint32_t *xpsr, int spsr) static void arm7tdmi_write_xpsr(target_t *target, uint32_t xpsr, int spsr) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; LOG_DEBUG("xpsr: %8.8" PRIx32 ", spsr: %i", xpsr, spsr); @@ -448,10 +436,8 @@ static void arm7tdmi_write_xpsr(target_t *target, uint32_t xpsr, int spsr) static void arm7tdmi_write_xpsr_im8(target_t *target, uint8_t xpsr_im, int rot, int spsr) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; LOG_DEBUG("xpsr_im: %2.2x, rot: %i, spsr: %i", xpsr_im, rot, spsr); @@ -469,10 +455,8 @@ static void arm7tdmi_write_core_regs(target_t *target, uint32_t mask, uint32_t core_regs[16]) { int i; - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* LDMIA r0-15, [r0] at debug speed * register values will start to appear on 4th DCLK @@ -495,10 +479,8 @@ static void arm7tdmi_write_core_regs(target_t *target, static void arm7tdmi_load_word_regs(target_t *target, uint32_t mask) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* put system-speed load-multiple into the pipeline */ arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0); @@ -508,10 +490,8 @@ static void arm7tdmi_load_word_regs(target_t *target, uint32_t mask) static void arm7tdmi_load_hword_reg(target_t *target, int num) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* put system-speed load half-word into the pipeline */ arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0); @@ -521,10 +501,8 @@ static void arm7tdmi_load_hword_reg(target_t *target, int num) static void arm7tdmi_load_byte_reg(target_t *target, int num) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* put system-speed load byte into the pipeline */ arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0); @@ -534,10 +512,8 @@ static void arm7tdmi_load_byte_reg(target_t *target, int num) static void arm7tdmi_store_word_regs(target_t *target, uint32_t mask) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* put system-speed store-multiple into the pipeline */ arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0); @@ -547,10 +523,8 @@ static void arm7tdmi_store_word_regs(target_t *target, uint32_t mask) static void arm7tdmi_store_hword_reg(target_t *target, int num) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* put system-speed store half-word into the pipeline */ arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0); @@ -560,10 +534,8 @@ static void arm7tdmi_store_hword_reg(target_t *target, int num) static void arm7tdmi_store_byte_reg(target_t *target, int num) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* put system-speed store byte into the pipeline */ arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0); @@ -573,10 +545,8 @@ static void arm7tdmi_store_byte_reg(target_t *target, int num) static void arm7tdmi_write_pc(target_t *target, uint32_t pc) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* LDMIA r0-15, [r0] at debug speed * register values will start to appear on 4th DCLK @@ -600,10 +570,8 @@ static void arm7tdmi_write_pc(target_t *target, uint32_t pc) static void arm7tdmi_branch_resume(target_t *target) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct arm_jtag *jtag_info = &arm7_9->jtag_info; arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 1); arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_B(0xfffffa, 0), 0); @@ -611,14 +579,13 @@ static void arm7tdmi_branch_resume(target_t *target) static void arm7tdmi_branch_resume_thumb(target_t *target) { - LOG_DEBUG("-"); - - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; + LOG_DEBUG("-"); + /* LDMIA r0, [r0] at debug speed * register values will start to appear on 4th DCLK */ @@ -673,8 +640,7 @@ static void arm7tdmi_branch_resume_thumb(target_t *target) static void arm7tdmi_build_reg_cache(target_t *target) { reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache); - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; + struct armv4_5_common_s *armv4_5 = target_to_armv4_5(target); (*cache_p) = armv4_5_build_reg_cache(target, armv4_5); armv4_5->core_cache = (*cache_p); @@ -682,9 +648,10 @@ static void arm7tdmi_build_reg_cache(target_t *target) int arm7tdmi_examine(struct target_s *target) { + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); int retval; - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; + + if (!target_was_examined(target)) { /* get pointers to arch-specific information */ @@ -696,11 +663,12 @@ int arm7tdmi_examine(struct target_s *target) (*cache_p) = t; arm7_9->eice_cache = (*cache_p); - if (arm7_9->etm_ctx) + if (arm7_9->armv4_5_common.etm) { - arm_jtag_t *jtag_info = &arm7_9->jtag_info; - (*cache_p)->next = etm_build_reg_cache(target, jtag_info, arm7_9->etm_ctx); - arm7_9->etm_ctx->reg_cache = (*cache_p)->next; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; + (*cache_p)->next = etm_build_reg_cache(target, + jtag_info, arm7_9->armv4_5_common.etm); + arm7_9->armv4_5_common.etm->reg_cache = (*cache_p)->next; } target_set_examined(target); } @@ -708,7 +676,7 @@ int arm7tdmi_examine(struct target_s *target) return retval; if ((retval = arm7_9_setup(target)) != ERROR_OK) return retval; - if (arm7_9->etm_ctx) + if (arm7_9->armv4_5_common.etm) { if ((retval = etm_setup(target)) != ERROR_OK) return retval; @@ -723,13 +691,9 @@ int arm7tdmi_init_target(struct command_context_s *cmd_ctx, struct target_s *tar return ERROR_OK; } -int arm7tdmi_init_arch_info(target_t *target, arm7tdmi_common_t *arm7tdmi, jtag_tap_t *tap) +int arm7tdmi_init_arch_info(target_t *target, struct arm7tdmi_common *arm7tdmi, struct jtag_tap *tap) { - armv4_5_common_t *armv4_5; - arm7_9_common_t *arm7_9; - - arm7_9 = &arm7tdmi->arm7_9_common; - armv4_5 = &arm7_9->armv4_5_common; + struct arm7_9_common *arm7_9 = &arm7tdmi->arm7_9_common; /* prepare JTAG information for the new target */ arm7_9->jtag_info.tap = tap; @@ -771,10 +735,6 @@ int arm7tdmi_init_arch_info(target_t *target, arm7tdmi_common_t *arm7tdmi, jtag_ arm7_9->thumb_bkpt = 0xdeee; arm7_9->dbgreq_adjust_pc = 2; - arm7_9->arch_info = arm7tdmi; - - arm7tdmi->arch_info = NULL; - arm7tdmi->common_magic = ARM7TDMI_COMMON_MAGIC; arm7_9_init_arch_info(target, arm7_9); @@ -783,9 +743,9 @@ int arm7tdmi_init_arch_info(target_t *target, arm7tdmi_common_t *arm7tdmi, jtag_ static int arm7tdmi_target_create(struct target_s *target, Jim_Interp *interp) { - arm7tdmi_common_t *arm7tdmi; + struct arm7tdmi_common *arm7tdmi; - arm7tdmi = calloc(1,sizeof(arm7tdmi_common_t)); + arm7tdmi = calloc(1,sizeof(struct arm7tdmi_common)); arm7tdmi_init_arch_info(target, arm7tdmi, target->tap); arm7tdmi->arm7_9_common.armv4_5_common.is_armv4 = true;