src/target/quark_d20xx.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 /*
   4  * Copyright(c) 2015-2016 Intel Corporation.
   5  *
   6  * Jessica Gomez (jessica.gomez.hernandez@intel.com)
   7  * Ivan De Cesaris (ivan.de.cesaris@intel.com)
   8  *
   9  * Contact Information:
  10  * Intel Corporation
  11  */
  12
  13 /*
  14  * @file
  15  * Debugger for Intel Quark D20xx
  16  * The CPU TAP (Lakemont TAP) is used for software debug and the CLTAP is
  17  * used for SoC level operations.
  18  *
  19  * Reference document:
  20  * Intel Quark microcontroller D2000 Debug Operations (web search for doc num 333241)
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26
  27 #include <helper/log.h>
  28
  29 #include "target.h"
  30 #include "target_type.h"
  31 #include "breakpoints.h"
  32 #include "lakemont.h"
  33 #include "x86_32_common.h"
  34
  35 static int quark_d20xx_target_create(struct target *t, Jim_Interp *interp)
  36 {
  37         struct x86_32_common *x86_32 = calloc(1, sizeof(struct x86_32_common));
  38         if (!x86_32) {
  39                 LOG_ERROR("%s out of memory", __func__);
  40                 return ERROR_FAIL;
  41         }
  42         x86_32_common_init_arch_info(t, x86_32);
  43         lakemont_init_arch_info(t, x86_32);
  44         x86_32->core_type = LMT3_5;
  45         return ERROR_OK;
  46 }
  47
  48 static int quark_d20xx_init_target(struct command_context *cmd_ctx, struct target *t)
  49 {
  50         return lakemont_init_target(cmd_ctx, t);
  51 }
  52
  53 static int quark_d20xx_reset_deassert(struct target *t)
  54 {
  55         int retval;
  56
  57         /* Can't detect if a warm reset happened while halted but we can make the
  58          * openocd and target state consistent here if in probe mode already
  59          */
  60         if (!check_not_halted(t)) {
  61                 retval = lakemont_update_after_probemode_entry(t);
  62                 if (retval != ERROR_OK) {
  63                         LOG_ERROR("%s core state update fail", __func__);
  64                         return retval;
  65                 }
  66                 /* resume target if reset mode is run */
  67                 if (!t->reset_halt) {
  68                         retval = lakemont_resume(t, 1, 0, 0, 0);
  69                         if (retval != ERROR_OK) {
  70                                 LOG_ERROR("%s could not resume target", __func__);
  71                                 return retval;
  72                         }
  73                 }
  74         }
  75
  76         return ERROR_OK;
  77 }
  78
  79 struct target_type quark_d20xx_target = {
  80         .name = "quark_d20xx",
  81         .target_create = quark_d20xx_target_create,
  82         .init_target = quark_d20xx_init_target,
  83         /* lakemont probemode specific code */
  84         .poll = lakemont_poll,
  85         .arch_state = lakemont_arch_state,
  86         .halt = lakemont_halt,
  87         .resume = lakemont_resume,
  88         .step = lakemont_step,
  89         .assert_reset = lakemont_reset_assert,
  90         .deassert_reset = quark_d20xx_reset_deassert,
  91         /* common x86 code */
  92         .commands = x86_32_command_handlers,
  93         .get_gdb_reg_list = x86_32_get_gdb_reg_list,
  94         .read_memory = x86_32_common_read_memory,
  95         .write_memory = x86_32_common_write_memory,
  96         .add_breakpoint = x86_32_common_add_breakpoint,
  97         .remove_breakpoint = x86_32_common_remove_breakpoint,
  98         .add_watchpoint = x86_32_common_add_watchpoint,
  99         .remove_watchpoint = x86_32_common_remove_watchpoint,
 100         .virt2phys = x86_32_common_virt2phys,
 101         .read_phys_memory = x86_32_common_read_phys_mem,
 102         .write_phys_memory = x86_32_common_write_phys_mem,
 103         .mmu = x86_32_common_mmu,
 104 };