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