X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Farm7tdmi.c;h=ba993ee467af0538fde7976bc62ed7da4342c9f0;hp=86a11a3802e6c37a9795f7388bdf07190c9db7f0;hb=1d4a09c2ef22dc10ec8a40183b8dd1b1102af20d;hpb=b840546895145fa6f8048d742281c74baf312e54 diff --git a/src/target/arm7tdmi.c b/src/target/arm7tdmi.c index 86a11a3802..ba993ee467 100644 --- a/src/target/arm7tdmi.c +++ b/src/target/arm7tdmi.c @@ -5,7 +5,7 @@ * Copyright (C) 2008 by Spencer Oliver * * spen@spen-soft.co.uk * * * - * Copyright (C) 2007,2008 Øyvind Harboe * + * Copyright (C) 2007,2008 Øyvind Harboe * * oyvind.harboe@zylin.com * * * * This program is free software; you can redistribute it and/or modify * @@ -28,76 +28,34 @@ #endif #include "arm7tdmi.h" +#include "target_type.h" +#include "register.h" +/* + * For information about ARM7TDMI, see ARM DDI 0210C (r4p1) + * or ARM DDI 0029G (r3). "Debug In Depth", Appendix B, + * covers JTAG support. + */ + #if 0 #define _DEBUG_INSTRUCTION_EXECUTION_ #endif -/* forward declarations */ - -int arm7tdmi_target_create(struct target_s *target,Jim_Interp *interp); -int arm7tdmi_quit(void); - -/* target function declarations */ -int arm7tdmi_poll(struct target_s *target); -int arm7tdmi_halt(target_t *target); - -target_type_t arm7tdmi_target = -{ - .name = "arm7tdmi", - - .poll = arm7_9_poll, - .arch_state = armv4_5_arch_state, - - .target_request_data = arm7_9_target_request_data, - - .halt = arm7_9_halt, - .resume = arm7_9_resume, - .step = arm7_9_step, - - .assert_reset = arm7_9_assert_reset, - .deassert_reset = arm7_9_deassert_reset, - .soft_reset_halt = arm7_9_soft_reset_halt, - - .get_gdb_reg_list = armv4_5_get_gdb_reg_list, - - .read_memory = arm7_9_read_memory, - .write_memory = arm7_9_write_memory, - .bulk_write_memory = arm7_9_bulk_write_memory, - .checksum_memory = arm7_9_checksum_memory, - .blank_check_memory = arm7_9_blank_check_memory, - - .run_algorithm = armv4_5_run_algorithm, - - .add_breakpoint = arm7_9_add_breakpoint, - .remove_breakpoint = arm7_9_remove_breakpoint, - .add_watchpoint = arm7_9_add_watchpoint, - .remove_watchpoint = arm7_9_remove_watchpoint, - - .register_commands = arm7tdmi_register_commands, - .target_create = arm7tdmi_target_create, - .init_target = arm7tdmi_init_target, - .examine = arm7tdmi_examine, - .quit = arm7tdmi_quit -}; - -int arm7tdmi_examine_debug_reason(target_t *target) +static int arm7tdmi_examine_debug_reason(struct target *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]; - u8 databus[4]; - u8 breakpoint; + struct scan_field fields[2]; + uint8_t databus[4]; + uint8_t breakpoint; - jtag_add_end_state(TAP_DRPAUSE); + jtag_set_end_state(TAP_DRPAUSE); fields[0].tap = arm7_9->jtag_info.tap; fields[0].num_bits = 1; @@ -109,14 +67,14 @@ int arm7tdmi_examine_debug_reason(target_t *target) fields[1].out_value = NULL; fields[1].in_value = databus; - if((retval = arm_jtag_scann(&arm7_9->jtag_info, 0x1)) != ERROR_OK) + if ((retval = arm_jtag_scann(&arm7_9->jtag_info, 0x1)) != ERROR_OK) { return retval; } arm_jtag_set_instr(&arm7_9->jtag_info, arm7_9->jtag_info.intest_instr, NULL); - jtag_add_dr_scan(2, fields, TAP_DRPAUSE); - if((retval = jtag_execute_queue()) != ERROR_OK) + jtag_add_dr_scan(2, fields, jtag_set_end_state(TAP_DRPAUSE)); + if ((retval = jtag_execute_queue()) != ERROR_OK) { return retval; } @@ -126,7 +84,7 @@ int arm7tdmi_examine_debug_reason(target_t *target) fields[1].in_value = NULL; fields[1].out_value = databus; - jtag_add_dr_scan(2, fields, TAP_DRPAUSE); + jtag_add_dr_scan(2, fields, jtag_set_end_state(TAP_DRPAUSE)); if (breakpoint & 1) target->debug_reason = DBG_REASON_WATCHPOINT; @@ -137,26 +95,32 @@ int arm7tdmi_examine_debug_reason(target_t *target) return ERROR_OK; } -static int arm7tdmi_num_bits[]={1, 32}; -static __inline int arm7tdmi_clock_out_inner(arm_jtag_t *jtag_info, u32 out, int breakpoint) +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) { - u32 values[2]={breakpoint, flip_u32(out, 32)}; + uint32_t values[2]={breakpoint, flip_u32(out, 32)}; jtag_add_dr_out(jtag_info->tap, 2, arm7tdmi_num_bits, values, - TAP_INVALID); + jtag_get_end_state()); - jtag_add_runtest(0, TAP_INVALID); + jtag_add_runtest(0, jtag_get_end_state()); return ERROR_OK; } -/* put an instruction in the ARM7TDMI pipeline or write the data bus, and optionally read data */ -static __inline int arm7tdmi_clock_out(arm_jtag_t *jtag_info, u32 out, u32 *deprecated, int breakpoint) +/* put an instruction in the ARM7TDMI pipeline or write the data bus, + * and optionally read data + * + * FIXME remove the unused "deprecated" parameter + */ +static __inline int arm7tdmi_clock_out(struct arm_jtag *jtag_info, + uint32_t out, uint32_t *deprecated, int breakpoint) { - jtag_add_end_state(TAP_DRPAUSE); + jtag_set_end_state(TAP_DRPAUSE); arm_jtag_scann(jtag_info, 0x1); arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL); @@ -164,13 +128,13 @@ static __inline int arm7tdmi_clock_out(arm_jtag_t *jtag_info, u32 out, u32 *depr } /* clock the target, reading the databus */ -int arm7tdmi_clock_data_in(arm_jtag_t *jtag_info, u32 *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_add_end_state(TAP_DRPAUSE); - if((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK) + jtag_set_end_state(TAP_DRPAUSE); + if ((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK) { return retval; } @@ -184,83 +148,80 @@ int arm7tdmi_clock_data_in(arm_jtag_t *jtag_info, u32 *in) fields[1].tap = jtag_info->tap; fields[1].num_bits = 32; fields[1].out_value = NULL; - fields[1].in_value = (u8 *)in; + fields[1].in_value = (uint8_t *)in; - jtag_add_dr_scan(2, fields, TAP_INVALID); + jtag_add_dr_scan(2, fields, jtag_get_end_state()); - jtag_add_callback(arm7flip32, (u8 *)in); + jtag_add_callback(arm7flip32, (jtag_callback_data_t)in); - jtag_add_runtest(0, TAP_INVALID); + jtag_add_runtest(0, jtag_get_end_state()); #ifdef _DEBUG_INSTRUCTION_EXECUTION_ -{ - if((retval = jtag_execute_queue()) != ERROR_OK) - { - return retval; - } + if ((retval = jtag_execute_queue()) != ERROR_OK) + return retval; - if (in) - { - LOG_DEBUG("in: 0x%8.8x", *in); - } - else - { - LOG_ERROR("BUG: called with in == NULL"); - } -} + if (in) + LOG_DEBUG("in: 0x%8.8x", *in); + else + LOG_ERROR("BUG: called with in == NULL"); #endif return ERROR_OK; } -void arm_endianness(u8 *tmp, void *in, int size, int be, int flip) +void arm_endianness(uint8_t *tmp, void *in, int size, int be, int flip) { - u32 readback=le_to_h_u32(tmp); + uint32_t readback = le_to_h_u32(tmp); if (flip) - readback=flip_u32(readback, 32); + readback = flip_u32(readback, 32); switch (size) { case 4: if (be) { - h_u32_to_be(((u8*)in), readback); + h_u32_to_be(((uint8_t*)in), readback); } else { - h_u32_to_le(((u8*)in), readback); + h_u32_to_le(((uint8_t*)in), readback); } break; case 2: if (be) { - h_u16_to_be(((u8*)in), readback & 0xffff); + h_u16_to_be(((uint8_t*)in), readback & 0xffff); } else { - h_u16_to_le(((u8*)in), readback & 0xffff); + h_u16_to_le(((uint8_t*)in), readback & 0xffff); } break; case 1: - *((u8 *)in)= readback & 0xff; + *((uint8_t *)in)= readback & 0xff; break; } } -static int arm7endianness(u8 *in, jtag_callback_data_t size, jtag_callback_data_t be) +static int arm7endianness(jtag_callback_data_t arg, + jtag_callback_data_t size, jtag_callback_data_t be, + jtag_callback_data_t captured) { - arm_endianness(in, in, (int)size, (int)be, 1); + uint8_t *in = (uint8_t *)arg; + + arm_endianness((uint8_t *)captured, in, (int)size, (int)be, 1); return ERROR_OK; } /* clock the target, and read the databus * the *in pointer points to a buffer where elements of 'size' bytes - * are stored in big (be==1) or little (be==0) endianness + * are stored in big (be == 1) or little (be == 0) endianness */ -int arm7tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, void *in, int size, int be) +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_add_end_state(TAP_DRPAUSE); - if((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK) + jtag_set_end_state(TAP_DRPAUSE); + if ((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK) { return retval; } @@ -274,24 +235,24 @@ int arm7tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, void *in, int size, fields[1].tap = jtag_info->tap; fields[1].num_bits = 32; fields[1].out_value = NULL; - fields[1].in_value = (u8 *)in; + jtag_alloc_in_value32(&fields[1]); - jtag_add_dr_scan(2, fields, TAP_INVALID); + jtag_add_dr_scan(2, fields, jtag_get_end_state()); - jtag_add_callback3(arm7endianness, in, (jtag_callback_data_t)size, (jtag_callback_data_t)be); + jtag_add_callback4(arm7endianness, (jtag_callback_data_t)in, (jtag_callback_data_t)size, (jtag_callback_data_t)be, (jtag_callback_data_t)fields[1].in_value); - jtag_add_runtest(0, TAP_INVALID); + jtag_add_runtest(0, jtag_get_end_state()); #ifdef _DEBUG_INSTRUCTION_EXECUTION_ { - if((retval = jtag_execute_queue()) != ERROR_OK) + if ((retval = jtag_execute_queue()) != ERROR_OK) { return retval; } if (in) { - LOG_DEBUG("in: 0x%8.8x", *(u32*)in); + LOG_DEBUG("in: 0x%8.8x", *(uint32_t*)in); } else { @@ -303,12 +264,11 @@ int arm7tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, void *in, int size, return ERROR_OK; } -void arm7tdmi_change_to_arm(target_t *target, u32 *r0, u32 *pc) +static void arm7tdmi_change_to_arm(struct target *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 */ @@ -360,13 +320,12 @@ void arm7tdmi_change_to_arm(target_t *target, u32 *r0, u32 *pc) * The solution is to arrange for a large out/in scan in this loop and * and convert data afterwards. */ -void arm7tdmi_read_core_regs(target_t *target, u32 mask, u32* core_regs[16]) +static void arm7tdmi_read_core_regs(struct target *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 @@ -381,22 +340,21 @@ void arm7tdmi_read_core_regs(target_t *target, u32 mask, u32* core_regs[16]) for (i = 0; i <= 15; i++) { if (mask & (1 << i)) - /* nothing fetched, STM still in EXECUTE (1+i cycle) */ + /* nothing fetched, STM still in EXECUTE (1 + i cycle) */ arm7tdmi_clock_data_in(jtag_info, core_regs[i]); } } -void arm7tdmi_read_core_regs_target_buffer(target_t *target, u32 mask, void* buffer, int size) +static void arm7tdmi_read_core_regs_target_buffer(struct target *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; - u32 *buf_u32 = buffer; - u16 *buf_u16 = buffer; - u8 *buf_u8 = buffer; + uint32_t *buf_u32 = buffer; + uint16_t *buf_u16 = buffer; + uint8_t *buf_u8 = buffer; /* STMIA r0-15, [r0] at debug speed * register values will start to appear on 4th DCLK @@ -410,7 +368,7 @@ void arm7tdmi_read_core_regs_target_buffer(target_t *target, u32 mask, void* buf for (i = 0; i <= 15; i++) { - /* nothing fetched, STM still in EXECUTE (1+i cycle), read databus */ + /* nothing fetched, STM still in EXECUTE (1 + i cycle), read databus */ if (mask & (1 << i)) { switch (size) @@ -429,12 +387,10 @@ void arm7tdmi_read_core_regs_target_buffer(target_t *target, u32 mask, void* buf } } -void arm7tdmi_read_xpsr(target_t *target, u32 *xpsr, int spsr) +static void arm7tdmi_read_xpsr(struct target *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); @@ -449,14 +405,12 @@ void arm7tdmi_read_xpsr(target_t *target, u32 *xpsr, int spsr) arm7tdmi_clock_data_in(jtag_info, xpsr); } -void arm7tdmi_write_xpsr(target_t *target, u32 xpsr, int spsr) +static void arm7tdmi_write_xpsr(struct target *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: %8.8x, spsr: %i", xpsr, spsr); + LOG_DEBUG("xpsr: %8.8" PRIx32 ", spsr: %i", xpsr, spsr); /* MSR1 fetched */ arm7tdmi_clock_out(jtag_info, ARMV4_5_MSR_IM(xpsr & 0xff, 0, 1, spsr), NULL, 0); @@ -480,12 +434,11 @@ void arm7tdmi_write_xpsr(target_t *target, u32 xpsr, int spsr) arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0); } -void arm7tdmi_write_xpsr_im8(target_t *target, u8 xpsr_im, int rot, int spsr) +static void arm7tdmi_write_xpsr_im8(struct target *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); @@ -499,13 +452,12 @@ void arm7tdmi_write_xpsr_im8(target_t *target, u8 xpsr_im, int rot, int spsr) arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0); } -void arm7tdmi_write_core_regs(target_t *target, u32 mask, u32 core_regs[16]) +static void arm7tdmi_write_core_regs(struct target *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 @@ -520,18 +472,16 @@ void arm7tdmi_write_core_regs(target_t *target, u32 mask, u32 core_regs[16]) for (i = 0; i <= 15; i++) { if (mask & (1 << i)) - /* nothing fetched, LDM still in EXECUTE (1+i cycle) */ + /* nothing fetched, LDM still in EXECUTE (1 + i cycle) */ arm7tdmi_clock_out_inner(jtag_info, core_regs[i], 0); } arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0); } -void arm7tdmi_load_word_regs(target_t *target, u32 mask) +static void arm7tdmi_load_word_regs(struct target *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); @@ -539,12 +489,10 @@ void arm7tdmi_load_word_regs(target_t *target, u32 mask) arm7tdmi_clock_out(jtag_info, ARMV4_5_LDMIA(0, mask & 0xffff, 0, 1), NULL, 0); } -void arm7tdmi_load_hword_reg(target_t *target, int num) +static void arm7tdmi_load_hword_reg(struct target *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); @@ -552,12 +500,10 @@ void arm7tdmi_load_hword_reg(target_t *target, int num) arm7tdmi_clock_out(jtag_info, ARMV4_5_LDRH_IP(num, 0), NULL, 0); } -void arm7tdmi_load_byte_reg(target_t *target, int num) +static void arm7tdmi_load_byte_reg(struct target *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); @@ -565,12 +511,10 @@ void arm7tdmi_load_byte_reg(target_t *target, int num) arm7tdmi_clock_out(jtag_info, ARMV4_5_LDRB_IP(num, 0), NULL, 0); } -void arm7tdmi_store_word_regs(target_t *target, u32 mask) +static void arm7tdmi_store_word_regs(struct target *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); @@ -578,12 +522,10 @@ void arm7tdmi_store_word_regs(target_t *target, u32 mask) arm7tdmi_clock_out(jtag_info, ARMV4_5_STMIA(0, mask, 0, 1), NULL, 0); } -void arm7tdmi_store_hword_reg(target_t *target, int num) +static void arm7tdmi_store_hword_reg(struct target *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); @@ -591,12 +533,10 @@ void arm7tdmi_store_hword_reg(target_t *target, int num) arm7tdmi_clock_out(jtag_info, ARMV4_5_STRH_IP(num, 0), NULL, 0); } -void arm7tdmi_store_byte_reg(target_t *target, int num) +static void arm7tdmi_store_byte_reg(struct target *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); @@ -604,12 +544,10 @@ void arm7tdmi_store_byte_reg(target_t *target, int num) arm7tdmi_clock_out(jtag_info, ARMV4_5_STRB_IP(num, 0), NULL, 0); } -void arm7tdmi_write_pc(target_t *target, u32 pc) +static void arm7tdmi_write_pc(struct target *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 @@ -631,26 +569,23 @@ void arm7tdmi_write_pc(target_t *target, u32 pc) arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0); } -void arm7tdmi_branch_resume(target_t *target) +static void arm7tdmi_branch_resume(struct target *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); } -void arm7tdmi_branch_resume_thumb(target_t *target) +static void arm7tdmi_branch_resume_thumb(struct target *target) { - LOG_DEBUG("-"); + 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; + struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; - /* 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; - 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 @@ -703,71 +638,25 @@ void arm7tdmi_branch_resume_thumb(target_t *target) arm7tdmi_clock_out(jtag_info, ARMV4_5_T_B(0x7f8), NULL, 0); } -void arm7tdmi_build_reg_cache(target_t *target) +static void arm7tdmi_build_reg_cache(struct target *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 reg_cache **cache_p = register_get_last_cache_p(&target->reg_cache); + 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); } -int arm7tdmi_examine(struct target_s *target) -{ - int retval; - armv4_5_common_t *armv4_5 = target->arch_info; - arm7_9_common_t *arm7_9 = armv4_5->arch_info; - if (!target->type->examined) - { - /* get pointers to arch-specific information */ - reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache); - reg_cache_t *t=embeddedice_build_reg_cache(target, arm7_9); - if (t==NULL) - return ERROR_FAIL; - - (*cache_p) = t; - arm7_9->eice_cache = (*cache_p); - - if (arm7_9->etm_ctx) - { - 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; - } - target->type->examined = 1; - } - if ((retval=embeddedice_setup(target))!=ERROR_OK) - return retval; - if ((retval=arm7_9_setup(target))!=ERROR_OK) - return retval; - if (arm7_9->etm_ctx) - { - if ((retval=etm_setup(target))!=ERROR_OK) - return retval; - } - return ERROR_OK; -} - -int arm7tdmi_init_target(struct command_context_s *cmd_ctx, struct target_s *target) +int arm7tdmi_init_target(struct command_context *cmd_ctx, struct target *target) { arm7tdmi_build_reg_cache(target); return ERROR_OK; } -int arm7tdmi_quit(void) -{ - return ERROR_OK; -} - -int arm7tdmi_init_arch_info(target_t *target, arm7tdmi_common_t *arm7tdmi, jtag_tap_t *tap) +int arm7tdmi_init_arch_info(struct target *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; @@ -799,7 +688,6 @@ int arm7tdmi_init_arch_info(target_t *target, arm7tdmi_common_t *arm7tdmi, jtag_ arm7_9->enable_single_step = arm7_9_enable_eice_step; arm7_9->disable_single_step = arm7_9_disable_eice_step; - arm7_9->pre_debug_entry = NULL; arm7_9->post_debug_entry = NULL; arm7_9->pre_restore_context = NULL; @@ -810,31 +698,59 @@ 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); return ERROR_OK; } -int arm7tdmi_target_create( struct target_s *target, Jim_Interp *interp ) +static int arm7tdmi_target_create(struct target *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; return ERROR_OK; } -int arm7tdmi_register_commands(struct command_context_s *cmd_ctx) +/** Holds methods for ARM7TDMI targets. */ +struct target_type arm7tdmi_target = { - int retval; + .name = "arm7tdmi", - retval = arm7_9_register_commands(cmd_ctx); + .poll = arm7_9_poll, + .arch_state = armv4_5_arch_state, - return retval; -} + .target_request_data = arm7_9_target_request_data, + + .halt = arm7_9_halt, + .resume = arm7_9_resume, + .step = arm7_9_step, + + .assert_reset = arm7_9_assert_reset, + .deassert_reset = arm7_9_deassert_reset, + .soft_reset_halt = arm7_9_soft_reset_halt, + + .get_gdb_reg_list = armv4_5_get_gdb_reg_list, + + .read_memory = arm7_9_read_memory, + .write_memory = arm7_9_write_memory, + .bulk_write_memory = arm7_9_bulk_write_memory, + + .checksum_memory = arm_checksum_memory, + .blank_check_memory = arm_blank_check_memory, + + .run_algorithm = armv4_5_run_algorithm, + + .add_breakpoint = arm7_9_add_breakpoint, + .remove_breakpoint = arm7_9_remove_breakpoint, + .add_watchpoint = arm7_9_add_watchpoint, + .remove_watchpoint = arm7_9_remove_watchpoint, + + .register_commands = arm7_9_register_commands, + .target_create = arm7tdmi_target_create, + .init_target = arm7tdmi_init_target, + .examine = arm7_9_examine, +};