ARMv7A: use standard disassembler
[fw/openocd] / src / target / armv7a.c
index 0bba549f196b1e974a24c26e0f8ee5546a5adbd9..8b163360afadf7a8fabf0443c1e9f3a814555d1b 100644 (file)
@@ -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"
 
 #include <string.h>
 #include <unistd.h>
 
-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},
@@ -165,18 +144,26 @@ 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,
+       .arch_type = 0,
 };
 
-void armv7a_show_fault_registers(target_t *target)
+void armv7a_show_fault_registers(struct target *target)
 {
        uint32_t dfsr, ifsr, dfar, ifar;
-       struct armv7a_common_s *armv7a = target_to_armv7a(target);
+       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);
@@ -190,14 +177,14 @@ 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"
        };
 
-       struct armv7a_common_s *armv7a = target_to_armv7a(target);
+       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)
@@ -232,8 +219,8 @@ int armv7a_arch_state(struct target_s *target)
 
 COMMAND_HANDLER(handle_dap_baseaddr_command)
 {
-       target_t *target = get_current_target(cmd_ctx);
-       struct armv7a_common_s *armv7a = target_to_armv7a(target);
+       struct target *target = get_current_target(cmd_ctx);
+       struct armv7a_common *armv7a = target_to_armv7a(target);
        struct swjdp_common *swjdp = &armv7a->swjdp_info;
 
        return CALL_COMMAND_HANDLER(dap_baseaddr_command, swjdp);
@@ -241,8 +228,8 @@ COMMAND_HANDLER(handle_dap_baseaddr_command)
 
 COMMAND_HANDLER(handle_dap_memaccess_command)
 {
-       target_t *target = get_current_target(cmd_ctx);
-       struct armv7a_common_s *armv7a = target_to_armv7a(target);
+       struct target *target = get_current_target(cmd_ctx);
+       struct armv7a_common *armv7a = target_to_armv7a(target);
        struct swjdp_common *swjdp = &armv7a->swjdp_info;
 
        return CALL_COMMAND_HANDLER(dap_memaccess_command, swjdp);
@@ -250,8 +237,8 @@ COMMAND_HANDLER(handle_dap_memaccess_command)
 
 COMMAND_HANDLER(handle_dap_apsel_command)
 {
-       target_t *target = get_current_target(cmd_ctx);
-       struct armv7a_common_s *armv7a = target_to_armv7a(target);
+       struct target *target = get_current_target(cmd_ctx);
+       struct armv7a_common *armv7a = target_to_armv7a(target);
        struct swjdp_common *swjdp = &armv7a->swjdp_info;
 
        return CALL_COMMAND_HANDLER(dap_apsel_command, swjdp);
@@ -259,8 +246,8 @@ COMMAND_HANDLER(handle_dap_apsel_command)
 
 COMMAND_HANDLER(handle_dap_apid_command)
 {
-       target_t *target = get_current_target(cmd_ctx);
-       struct armv7a_common_s *armv7a = target_to_armv7a(target);
+       struct target *target = get_current_target(cmd_ctx);
+       struct armv7a_common *armv7a = target_to_armv7a(target);
        struct swjdp_common *swjdp = &armv7a->swjdp_info;
 
        return CALL_COMMAND_HANDLER(dap_apid_command, swjdp);
@@ -268,8 +255,8 @@ COMMAND_HANDLER(handle_dap_apid_command)
 
 COMMAND_HANDLER(handle_dap_info_command)
 {
-       target_t *target = get_current_target(cmd_ctx);
-       struct armv7a_common_s *armv7a = target_to_armv7a(target);
+       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;
 
@@ -287,84 +274,9 @@ COMMAND_HANDLER(handle_dap_info_command)
        return dap_info_command(cmd_ctx, swjdp, apsel);
 }
 
-COMMAND_HANDLER(handle_armv7a_disassemble_command)
+int armv7a_register_commands(struct command_context *cmd_ctx)
 {
-       target_t *target = get_current_target(cmd_ctx);
-       struct armv4_5_common_s *armv4_5 = target_to_armv4_5(target);
-       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:
-               COMMAND_PARSE_NUMBER(int, args[1], count);
-               /* FALL THROUGH */
-       case 1:
-               COMMAND_PARSE_NUMBER(u32, args[0], address);
-               if (address & 0x01) {
-                       if (!thumb) {
-                               command_print(cmd_ctx, "Disassemble as Thumb");
-                               thumb = 1;
-                       }
-                       address &= ~1;
-               }
-               break;
-       default:
-usage:
-               command_print(cmd_ctx,
-                       "usage: armv7a disassemble <address> [<count> ['thumb']]");
-               return ERROR_OK;
-       }
-
-       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;
-}
-
-int armv7a_register_commands(struct command_context_s *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,
@@ -390,13 +302,5 @@ 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 <address> [<count> ['thumb']]");
-
        return ERROR_OK;
 }