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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright(c) 2013-2016 Intel Corporation.
*
* Adrian Burns (adrian.burns@intel.com)
* Thomas Faust (thomas.faust@intel.com)
* Ivan De Cesaris (ivan.de.cesaris@intel.com)
* Julien Carreno (julien.carreno@intel.com)
* Jeffrey Maxwell (jeffrey.r.maxwell@intel.com)
*
* Contact Information:
* Intel Corporation
*/
/*
* @file
* This is the interface to the probemode operations for Lakemont 1 (LMT1).
*/
#ifndef OPENOCD_TARGET_LAKEMONT_H
#define OPENOCD_TARGET_LAKEMONT_H
#include <jtag/jtag.h>
#include <helper/types.h>
/* The Intel Quark SoC X1000 Core is codenamed lakemont */
#define LMT_IRLEN 8
/* lakemont tap instruction opcodes */
#define IDCODE 2
#define SUBMITPIR 3
#define PROBEMODE 4
#define WRPIR 6
#define RDWRPDR 8
#define TAPSTATUS 11
#define BYPASS 255
#define NOT_NULL 2
/* DR sizes */
#define ID_SIZE 32
#define PM_SIZE 1
#define PIR_SIZE 64
#define PDR_SIZE 32
#define TS_SIZE 32
#define BP_SIZE 1
#define MAX_SCAN_SIZE PIR_SIZE
/* needed during lakemont probemode */
#define NOT_PMREG 0xfe
#define NOT_AVAIL_REG 0xff
#define PM_DSB ((uint32_t)0x00000000)
#define PM_DSL ((uint32_t)0xFFFFFFFF)
#define PM_DSAR ((uint32_t)0x004F9300)
#define PM_DR7 ((uint32_t)0x00000400)
#define DELAY_SUBMITPIR 0 /* for now 0 is working */
/* lakemont tapstatus bits */
#define TS_PRDY_BIT ((uint32_t)0x00000001)
#define TS_EN_PM_BIT ((uint32_t)0x00000002)
#define TS_PM_BIT ((uint32_t)0x00000004)
#define TS_PMCR_BIT ((uint32_t)0x00000008)
#define TS_SBP_BIT ((uint32_t)0x00000010)
struct lakemont_core_reg {
uint32_t num;
struct target *target;
struct x86_32_common *x86_32_common;
uint64_t op;
uint8_t pm_idx;
};
struct scan_blk {
uint8_t out[MAX_SCAN_SIZE]; /* scanned out to the tap */
uint8_t in[MAX_SCAN_SIZE]; /* in to our capture buf */
struct scan_field field;
};
#define I(name) (((struct lakemont_core_reg *)x86_32->cache->reg_list[name].arch_info)->pm_idx)
int lakemont_init_target(struct command_context *cmd_ctx, struct target *t);
int lakemont_init_arch_info(struct target *t, struct x86_32_common *x86_32);
int lakemont_poll(struct target *t);
int lakemont_arch_state(struct target *t);
int lakemont_halt(struct target *t);
int lakemont_resume(struct target *t, int current, target_addr_t address,
int handle_breakpoints, int debug_execution);
int lakemont_step(struct target *t, int current,
target_addr_t address, int handle_breakpoints);
int lakemont_reset_assert(struct target *t);
int lakemont_reset_deassert(struct target *t);
int lakemont_update_after_probemode_entry(struct target *t);
#endif /* OPENOCD_TARGET_LAKEMONT_H */
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