X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Farmv7a.c;h=7f5b834927465ecac434cb1e1e0e545f8de3a0c8;hp=1e0e02f189f024fa0e639514de6dc3c32a38f80b;hb=23402315ce01071f30d7ec0c5ca7563ce41f1cc6;hpb=6a2fd7cad507ef24a7dc4ce3c5f8b5351dd12656 diff --git a/src/target/armv7a.c b/src/target/armv7a.c index 1e0e02f189..7f5b834927 100644 --- a/src/target/armv7a.c +++ b/src/target/armv7a.c @@ -25,9 +25,7 @@ #include "armv7a.h" #include "arm_disassembler.h" -#include "target.h" #include "register.h" -#include "log.h" #include "binarybuffer.h" #include "command.h" @@ -35,25 +33,6 @@ #include #include -bitfield_desc_t armv7a_psr_bitfield_desc[] = -{ - {"M[4:0]", 5}, - {"T", 1}, - {"F", 1}, - {"I", 1}, - {"A", 1}, - {"E", 1}, - {"IT[7:2]", 6}, - {"GE[3:0]", 4}, - {"reserved(DNM)", 4}, - {"J", 1}, - {"IT[0:1]", 2}, - {"Q", 1}, - {"V", 1}, - {"C", 1}, - {"Z", 1}, - {"N", 1}, -}; char* armv7a_core_reg_list[] = { @@ -82,7 +61,7 @@ char* armv7a_state_strings[] = "ARM", "Thumb", "Jazelle", "ThumbEE" }; -armv7a_core_reg_t armv7a_core_reg_list_arch_info[] = +struct armv7a_core_reg armv7a_core_reg_list_arch_info[] = { {0, ARMV4_5_MODE_ANY, NULL, NULL}, {1, ARMV4_5_MODE_ANY, NULL, NULL}, @@ -165,21 +144,25 @@ int armv7a_core_reg_map[8][17] = } }; +/* FIXME this dummy is IDENTICAL to the armv4_5, arm11, and armv7m + * ones... except for naming/scoping + */ uint8_t armv7a_gdb_dummy_fp_value[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; -reg_t armv7a_gdb_dummy_fp_reg = +struct reg armv7a_gdb_dummy_fp_reg = { - "GDB dummy floating-point register", armv7a_gdb_dummy_fp_value, - 0, 1, 96, NULL, 0, NULL, 0 + .name = "GDB dummy floating-point register", + .value = armv7a_gdb_dummy_fp_value, + .dirty = 0, + .valid = 1, + .size = 96, + .arch_info = NULL, }; -void armv7a_show_fault_registers(target_t *target) +void armv7a_show_fault_registers(struct target *target) { uint32_t dfsr, ifsr, dfar, ifar; - - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - armv7a_common_t *armv7a = armv4_5->arch_info; + struct armv7a_common *armv7a = target_to_armv7a(target); armv7a->read_cp15(target, 0, 0, 5, 0, &dfsr); armv7a->read_cp15(target, 0, 1, 5, 0, &ifsr); @@ -193,20 +176,20 @@ void armv7a_show_fault_registers(target_t *target) } -int armv7a_arch_state(struct target_s *target) +int armv7a_arch_state(struct target *target) { static const char *state[] = { "disabled", "enabled" }; - armv4_5_common_t *armv4_5 = target->arch_info; - armv7a_common_t *armv7a = armv4_5->arch_info; + struct armv7a_common *armv7a = target_to_armv7a(target); + struct armv4_5_common_s *armv4_5 = &armv7a->armv4_5_common; - if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC) + if (armv7a->common_magic != ARMV7_COMMON_MAGIC) { - LOG_ERROR("BUG: called for a non-ARMv4/5 target"); - exit(-1); + LOG_ERROR("BUG: called for a non-ARMv7A target"); + return ERROR_INVALID_ARGUMENTS; } LOG_USER("target halted in %s state due to %s, current mode: %s\n" @@ -233,146 +216,66 @@ int armv7a_arch_state(struct target_s *target) } -static int handle_dap_baseaddr_command(struct command_context_s *cmd_ctx, - char *cmd, char **args, int argc) +COMMAND_HANDLER(handle_dap_baseaddr_command) { - target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5 = target->arch_info; - armv7a_common_t *armv7a = armv4_5->arch_info; - swjdp_common_t *swjdp = &armv7a->swjdp_info; + struct target *target = get_current_target(cmd_ctx); + struct armv7a_common *armv7a = target_to_armv7a(target); + struct swjdp_common *swjdp = &armv7a->swjdp_info; - return dap_baseaddr_command(cmd_ctx, swjdp, args, argc); + return CALL_COMMAND_HANDLER(dap_baseaddr_command, swjdp); } -static int handle_dap_memaccess_command(struct command_context_s *cmd_ctx, - char *cmd, char **args, int argc) +COMMAND_HANDLER(handle_dap_memaccess_command) { - target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5 = target->arch_info; - armv7a_common_t *armv7a = armv4_5->arch_info; - swjdp_common_t *swjdp = &armv7a->swjdp_info; + struct target *target = get_current_target(cmd_ctx); + struct armv7a_common *armv7a = target_to_armv7a(target); + struct swjdp_common *swjdp = &armv7a->swjdp_info; - return dap_memaccess_command(cmd_ctx, swjdp, args, argc); + return CALL_COMMAND_HANDLER(dap_memaccess_command, swjdp); } -static int handle_dap_apsel_command(struct command_context_s *cmd_ctx, - char *cmd, char **args, int argc) +COMMAND_HANDLER(handle_dap_apsel_command) { - target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5 = target->arch_info; - armv7a_common_t *armv7a = armv4_5->arch_info; - swjdp_common_t *swjdp = &armv7a->swjdp_info; + struct target *target = get_current_target(cmd_ctx); + struct armv7a_common *armv7a = target_to_armv7a(target); + struct swjdp_common *swjdp = &armv7a->swjdp_info; - return dap_apsel_command(cmd_ctx, swjdp, args, argc); + return CALL_COMMAND_HANDLER(dap_apsel_command, swjdp); } -static int handle_dap_apid_command(struct command_context_s *cmd_ctx, - char *cmd, char **args, int argc) +COMMAND_HANDLER(handle_dap_apid_command) { - target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5 = target->arch_info; - armv7a_common_t *armv7a = armv4_5->arch_info; - swjdp_common_t *swjdp = &armv7a->swjdp_info; + struct target *target = get_current_target(cmd_ctx); + struct armv7a_common *armv7a = target_to_armv7a(target); + struct swjdp_common *swjdp = &armv7a->swjdp_info; - return dap_apid_command(cmd_ctx, swjdp, args, argc); + return CALL_COMMAND_HANDLER(dap_apid_command, swjdp); } -static int handle_dap_info_command(struct command_context_s *cmd_ctx, - char *cmd, char **args, int argc) +COMMAND_HANDLER(handle_dap_info_command) { - target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5 = target->arch_info; - armv7a_common_t *armv7a = armv4_5->arch_info; - swjdp_common_t *swjdp = &armv7a->swjdp_info; + struct target *target = get_current_target(cmd_ctx); + struct armv7a_common *armv7a = target_to_armv7a(target); + struct swjdp_common *swjdp = &armv7a->swjdp_info; uint32_t apsel; - apsel = swjdp->apsel; - if (argc > 0) - apsel = strtoul(args[0], NULL, 0); - - return dap_info_command(cmd_ctx, swjdp, apsel); -} - -static int -handle_armv7a_disassemble_command(struct command_context_s *cmd_ctx, - char *cmd, char **args, int argc) -{ - target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5 = target->arch_info; - int thumb = 0; - int count = 1; - uint32_t address; - int i; - - if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC) { - command_print(cmd_ctx, "current target isn't an ARM target"); - return ERROR_OK; - } - - /* REVISIT: eventually support ThumbEE disassembly too; - * some opcodes work differently. - */ - - switch (argc) { - case 3: - if (strcmp(args[2], "thumb") != 0) - goto usage; - thumb = 1; - /* FALL THROUGH */ - case 2: - count = strtoul(args[1], NULL, 0); - /* FALL THROUGH */ + switch (CMD_ARGC) { + case 0: + apsel = swjdp->apsel; + break; case 1: - address = strtoul(args[0], NULL, 0); - if (address & 0x01) { - if (!thumb) { - command_print(cmd_ctx, "Disassemble as Thumb"); - thumb = 1; - } - address &= ~1; - } + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel); break; default: -usage: - command_print(cmd_ctx, - "usage: armv4_5 disassemble
[ ['thumb']]"); - return ERROR_OK; + return ERROR_COMMAND_SYNTAX_ERROR; } - for (i = 0; i < count; i++) { - arm_instruction_t cur_instruction; - int retval; - - if (thumb) { - retval = thumb2_opcode(target, address, &cur_instruction); - if (retval != ERROR_OK) - return retval; - - address += cur_instruction.instruction_size; - } else { - uint32_t opcode; - - retval = target_read_u32(target, address, &opcode); - if (retval != ERROR_OK) - return retval; - - retval = arm_evaluate_opcode(opcode, address, - &cur_instruction); - if (retval != ERROR_OK) - return retval; - - address += 4; - } - command_print(cmd_ctx, "%s", cur_instruction.text); - } - - return ERROR_OK; + return dap_info_command(cmd_ctx, swjdp, apsel); } -int armv7a_register_commands(struct command_context_s *cmd_ctx) +int armv7a_register_commands(struct command_context *cmd_ctx) { - command_t *arm_adi_v5_dap_cmd; - command_t *armv7a_cmd; + struct command *arm_adi_v5_dap_cmd; arm_adi_v5_dap_cmd = register_command(cmd_ctx, NULL, "dap", NULL, COMMAND_ANY, @@ -398,13 +301,5 @@ int armv7a_register_commands(struct command_context_s *cmd_ctx) "set/get number of extra tck for mem-ap memory " "bus access [0-255]"); - armv7a_cmd = register_command(cmd_ctx, NULL, "armv7a", - NULL, COMMAND_ANY, - "ARMv7-A specific commands"); - - register_command(cmd_ctx, armv7a_cmd, "disassemble", - handle_armv7a_disassemble_command, COMMAND_EXEC, - "disassemble instructions
[ ['thumb']]"); - return ERROR_OK; }