1 /* 2 * Copyright(c) 2013-2016 Intel Corporation. 3 * 4 * Adrian Burns (adrian.burns@intel.com) 5 * Thomas Faust (thomas.faust@intel.com) 6 * Ivan De Cesaris (ivan.de.cesaris@intel.com) 7 * Julien Carreno (julien.carreno@intel.com) 8 * Jeffrey Maxwell (jeffrey.r.maxwell@intel.com) 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, but 16 * WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program. If not, see <http://www.gnu.org/licenses/>. 22 * 23 * Contact Information: 24 * Intel Corporation 25 */ 26 27 /* 28 * @file 29 * This is the interface to the probemode operations for Lakemont 1 (LMT1). 30 */ 31 32 #ifndef OPENOCD_TARGET_LAKEMONT_H 33 #define OPENOCD_TARGET_LAKEMONT_H 34 35 #include <jtag/jtag.h> 36 #include <helper/types.h> 37 38 /* The Intel Quark SoC X1000 Core is codenamed lakemont */ 39 40 #define LMT_IRLEN 8 41 42 /* lakemont tap instruction opcodes */ 43 #define IDCODE 2 44 #define SUBMITPIR 3 45 #define PROBEMODE 4 46 #define WRPIR 6 47 #define RDWRPDR 8 48 #define TAPSTATUS 11 49 #define BYPASS 255 50 #define NOT_NULL 2 51 52 /* DR sizes */ 53 #define ID_SIZE 32 54 #define PM_SIZE 1 55 #define PIR_SIZE 64 56 #define PDR_SIZE 32 57 #define TS_SIZE 32 58 #define BP_SIZE 1 59 #define MAX_SCAN_SIZE PIR_SIZE 60 61 /* needed during lakemont probemode */ 62 #define NOT_PMREG 0xfe 63 #define NOT_AVAIL_REG 0xff 64 #define PM_DSB ((uint32_t)0x00000000) 65 #define PM_DSL ((uint32_t)0xFFFFFFFF) 66 #define PM_DSAR ((uint32_t)0x004F9300) 67 #define PM_DR7 ((uint32_t)0x00000400) 68 #define DELAY_SUBMITPIR 0 /* for now 0 is working */ 69 70 /* lakemont tapstatus bits */ 71 #define TS_PRDY_BIT ((uint32_t)0x00000001) 72 #define TS_EN_PM_BIT ((uint32_t)0x00000002) 73 #define TS_PM_BIT ((uint32_t)0x00000004) 74 #define TS_PMCR_BIT ((uint32_t)0x00000008) 75 #define TS_SBP_BIT ((uint32_t)0x00000010) 76 77 struct lakemont_core_reg { 78 uint32_t num; 79 struct target *target; 80 struct x86_32_common *x86_32_common; 81 uint64_t op; 82 uint8_t pm_idx; 83 }; 84 85 struct scan_blk { 86 uint8_t out[MAX_SCAN_SIZE]; /* scanned out to the tap */ 87 uint8_t in[MAX_SCAN_SIZE]; /* in to our capture buf */ 88 struct scan_field field; 89 }; 90 91 #define I(name) (((struct lakemont_core_reg *)x86_32->cache->reg_list[name].arch_info)->pm_idx) 92 93 int lakemont_init_target(struct command_context *cmd_ctx, struct target *t); 94 int lakemont_init_arch_info(struct target *t, struct x86_32_common *x86_32); 95 int lakemont_poll(struct target *t); 96 int lakemont_arch_state(struct target *t); 97 int lakemont_halt(struct target *t); 98 int lakemont_resume(struct target *t, int current, target_addr_t address, 99 int handle_breakpoints, int debug_execution); 100 int lakemont_step(struct target *t, int current, 101 target_addr_t address, int handle_breakpoints); 102 int lakemont_reset_assert(struct target *t); 103 int lakemont_reset_deassert(struct target *t); 104 int lakemont_update_after_probemode_entry(struct target *t); 105 106 #endif /* OPENOCD_TARGET_LAKEMONT_H */ 107