X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Farm7tdmi.c;h=377c3022301d06ee10fcb5a4c1a525a7a33cd70a;hp=3ede36cc9f645a882550f2c0c4542541d4556895;hb=374127301ec1d72033b9d573b72c7abdfd61990d;hpb=991ed5a2b657e660f744eefddb084724e52938ea diff --git a/src/target/arm7tdmi.c b/src/target/arm7tdmi.c index 3ede36cc9f..377c302230 100644 --- a/src/target/arm7tdmi.c +++ b/src/target/arm7tdmi.c @@ -23,6 +23,7 @@ * Free Software Foundation, Inc., * * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ + #ifdef HAVE_CONFIG_H #include "config.h" #endif @@ -32,7 +33,6 @@ #include "register.h" #include "arm_opcodes.h" - /* * For information about ARM7TDMI, see ARM DDI 0210C (r4p1) * or ARM DDI 0029G (r3). "Debug In Depth", Appendix B, @@ -50,8 +50,7 @@ static int arm7tdmi_examine_debug_reason(struct target *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)) - { + && (target->debug_reason != DBG_REASON_SINGLESTEP)) { struct scan_field fields[2]; uint8_t databus[4]; uint8_t breakpoint; @@ -64,19 +63,17 @@ static int arm7tdmi_examine_debug_reason(struct target *target) fields[1].out_value = NULL; fields[1].in_value = databus; - if ((retval = arm_jtag_scann(&arm7_9->jtag_info, 0x1, TAP_DRPAUSE)) != ERROR_OK) - { + retval = arm_jtag_scann(&arm7_9->jtag_info, 0x1, TAP_DRPAUSE); + if (retval != ERROR_OK) return retval; - } retval = arm_jtag_set_instr(&arm7_9->jtag_info, arm7_9->jtag_info.intest_instr, NULL, TAP_DRPAUSE); if (retval != ERROR_OK) return retval; jtag_add_dr_scan(arm7_9->jtag_info.tap, 2, fields, TAP_DRPAUSE); - if ((retval = jtag_execute_queue()) != ERROR_OK) - { + retval = jtag_execute_queue(); + if (retval != ERROR_OK) return retval; - } fields[0].in_value = NULL; fields[0].out_value = &breakpoint; @@ -96,9 +93,9 @@ static int arm7tdmi_examine_debug_reason(struct target *target) static const int arm7tdmi_num_bits[] = {1, 32}; -static __inline int arm7tdmi_clock_out_inner(struct arm_jtag *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)}; + uint32_t values[2] = {breakpoint, flip_u32(out, 32)}; jtag_add_dr_out(jtag_info->tap, 2, @@ -116,7 +113,7 @@ static __inline int arm7tdmi_clock_out_inner(struct arm_jtag *jtag_info, uint32_ * * FIXME remove the unused "deprecated" parameter */ -static __inline int arm7tdmi_clock_out(struct arm_jtag *jtag_info, +static inline int arm7tdmi_clock_out(struct arm_jtag *jtag_info, uint32_t out, uint32_t *deprecated, int breakpoint) { int retval; @@ -136,10 +133,9 @@ static int arm7tdmi_clock_data_in(struct arm_jtag *jtag_info, uint32_t *in) int retval = ERROR_OK; struct scan_field fields[2]; - if ((retval = arm_jtag_scann(jtag_info, 0x1, TAP_DRPAUSE)) != ERROR_OK) - { + retval = arm_jtag_scann(jtag_info, 0x1, TAP_DRPAUSE); + if (retval != ERROR_OK) return retval; - } retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_DRPAUSE); if (retval != ERROR_OK) return retval; @@ -159,7 +155,8 @@ static int arm7tdmi_clock_data_in(struct arm_jtag *jtag_info, uint32_t *in) jtag_add_runtest(0, TAP_DRPAUSE); #ifdef _DEBUG_INSTRUCTION_EXECUTION_ - if ((retval = jtag_execute_queue()) != ERROR_OK) + retval = jtag_execute_queue(); + if (retval != ERROR_OK) return retval; if (in) @@ -176,28 +173,21 @@ void arm_endianness(uint8_t *tmp, void *in, int size, int be, int flip) uint32_t readback = le_to_h_u32(tmp); if (flip) readback = flip_u32(readback, 32); - switch (size) - { + switch (size) { case 4: if (be) - { - h_u32_to_be(((uint8_t*)in), readback); - } else - { - h_u32_to_le(((uint8_t*)in), readback); - } + h_u32_to_be(((uint8_t *)in), readback); + else + h_u32_to_le(((uint8_t *)in), readback); break; case 2: if (be) - { - h_u16_to_be(((uint8_t*)in), readback & 0xffff); - } else - { - h_u16_to_le(((uint8_t*)in), readback & 0xffff); - } + h_u16_to_be(((uint8_t *)in), readback & 0xffff); + else + h_u16_to_le(((uint8_t *)in), readback & 0xffff); break; case 1: - *((uint8_t *)in)= readback & 0xff; + *((uint8_t *)in) = readback & 0xff; break; } } @@ -222,10 +212,9 @@ static int arm7tdmi_clock_data_in_endianness(struct arm_jtag *jtag_info, int retval = ERROR_OK; struct scan_field fields[2]; - if ((retval = arm_jtag_scann(jtag_info, 0x1, TAP_DRPAUSE)) != ERROR_OK) - { + retval = arm_jtag_scann(jtag_info, 0x1, TAP_DRPAUSE); + if (retval != ERROR_OK) return retval; - } retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_DRPAUSE); if (retval != ERROR_OK) return retval; @@ -250,19 +239,14 @@ static int arm7tdmi_clock_data_in_endianness(struct arm_jtag *jtag_info, #ifdef _DEBUG_INSTRUCTION_EXECUTION_ { - if ((retval = jtag_execute_queue()) != ERROR_OK) - { + retval = jtag_execute_queue(); + if (retval != ERROR_OK) return retval; - } if (in) - { - LOG_DEBUG("in: 0x%8.8x", *(uint32_t*)in); - } + LOG_DEBUG("in: 0x%8.8x", *(uint32_t *)in); else - { LOG_ERROR("BUG: called with in == NULL"); - } } #endif @@ -318,7 +302,6 @@ static void arm7tdmi_change_to_arm(struct target *target, *pc -= 0xa; } - /* FIX!!! is this a potential performance bottleneck w.r.t. requiring too many * roundtrips when jtag_execute_queue() has a large overhead(e.g. for USB)s? * @@ -326,7 +309,7 @@ static void arm7tdmi_change_to_arm(struct target *target, * and convert data afterwards. */ static void arm7tdmi_read_core_regs(struct target *target, - uint32_t mask, uint32_t* core_regs[16]) + uint32_t mask, uint32_t *core_regs[16]) { int i; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -342,8 +325,7 @@ static void arm7tdmi_read_core_regs(struct target *target, /* fetch NOP, STM in EXECUTE stage (1st cycle) */ arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0); - for (i = 0; i <= 15; i++) - { + for (i = 0; i <= 15; i++) { if (mask & (1 << i)) /* nothing fetched, STM still in EXECUTE (1 + i cycle) */ arm7tdmi_clock_data_in(jtag_info, core_regs[i]); @@ -351,7 +333,7 @@ static void arm7tdmi_read_core_regs(struct target *target, } static void arm7tdmi_read_core_regs_target_buffer(struct target *target, - uint32_t mask, void* buffer, int size) + uint32_t mask, void *buffer, int size) { int i; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -371,13 +353,10 @@ static void arm7tdmi_read_core_regs_target_buffer(struct target *target, /* fetch NOP, STM in EXECUTE stage (1st cycle) */ arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0); - for (i = 0; i <= 15; i++) - { + for (i = 0; i <= 15; i++) { /* nothing fetched, STM still in EXECUTE (1 + i cycle), read databus */ - if (mask & (1 << i)) - { - switch (size) - { + if (mask & (1 << i)) { + switch (size) { case 4: arm7tdmi_clock_data_in_endianness(jtag_info, buf_u32++, 4, be); break; @@ -474,8 +453,7 @@ static void arm7tdmi_write_core_regs(struct target *target, /* fetch NOP, LDM in EXECUTE stage (1st cycle) */ arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0); - for (i = 0; i <= 15; i++) - { + for (i = 0; i <= 15; i++) { if (mask & (1 << i)) /* nothing fetched, LDM still in EXECUTE (1 + i cycle) */ arm7tdmi_clock_out_inner(jtag_info, core_regs[i], 0); @@ -586,7 +564,7 @@ static void arm7tdmi_branch_resume(struct target *target) static void arm7tdmi_branch_resume_thumb(struct target *target) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - struct arm *armv4_5 = &arm7_9->armv4_5_common; + struct arm *arm = &arm7_9->arm; struct arm_jtag *jtag_info = &arm7_9->jtag_info; struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; @@ -603,7 +581,7 @@ static void arm7tdmi_branch_resume_thumb(struct target *target) arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0); /* nothing fetched, LDM in EXECUTE stage (2nd cycle) */ arm7tdmi_clock_out(jtag_info, - buf_get_u32(armv4_5->pc->value, 0, 32) | 1, NULL, 0); + buf_get_u32(arm->pc->value, 0, 32) | 1, NULL, 0); /* nothing fetched, LDM in EXECUTE stage (3rd cycle) */ arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0); @@ -631,7 +609,7 @@ static void arm7tdmi_branch_resume_thumb(struct target *target) /* fetch NOP, LDR in Execute */ arm7tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, NULL, 0); /* nothing fetched, LDR in EXECUTE stage (2nd cycle) */ - arm7tdmi_clock_out(jtag_info, buf_get_u32(armv4_5->core_cache->reg_list[0].value, 0, 32), NULL, 0); + arm7tdmi_clock_out(jtag_info, buf_get_u32(arm->core_cache->reg_list[0].value, 0, 32), NULL, 0); /* nothing fetched, LDR in EXECUTE stage (3rd cycle) */ arm7tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, NULL, 0); @@ -647,9 +625,9 @@ static void arm7tdmi_branch_resume_thumb(struct target *target) static void arm7tdmi_build_reg_cache(struct target *target) { struct reg_cache **cache_p = register_get_last_cache_p(&target->reg_cache); - struct arm *armv4_5 = target_to_arm(target); + struct arm *arm = target_to_arm(target); - (*cache_p) = arm_build_reg_cache(target, armv4_5); + (*cache_p) = arm_build_reg_cache(target, arm); } int arm7tdmi_init_target(struct command_context *cmd_ctx, struct target *target) @@ -711,16 +689,15 @@ static int arm7tdmi_target_create(struct target *target, Jim_Interp *interp) { struct arm7_9_common *arm7_9; - arm7_9 = calloc(1,sizeof(struct arm7_9_common)); + arm7_9 = calloc(1, sizeof(struct arm7_9_common)); arm7tdmi_init_arch_info(target, arm7_9, target->tap); - arm7_9->armv4_5_common.is_armv4 = true; + arm7_9->arm.is_armv4 = true; return ERROR_OK; } /** Holds methods for ARM7TDMI targets. */ -struct target_type arm7tdmi_target = -{ +struct target_type arm7tdmi_target = { .name = "arm7tdmi", .poll = arm7_9_poll,