state.h

/*
 * CPUID
 *
 * A simple and small tool to dump/decode CPUID information.
 *
 * Copyright (c) 2010-2021, Steven Noonan <steven@uplinklabs.net>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

#ifndef __state_h
#define __state_h

#include "cpuid.h"
#include "threads.h"
#include "vendor.h"

struct cpu_signature_t {
	unsigned stepping:4;
	unsigned model:4;
	unsigned family:4;
	unsigned type:2;
	unsigned reserved1:2;
	unsigned extmodel:4;
	unsigned extfamily:8;
	unsigned reserved2:4;
};

struct cpuid_leaf_t {
	struct cpu_regs_t input;
	struct cpu_regs_t output;
};

struct cpuid_state_t
{
	thread_init_handler_t thread_init;
	thread_bind_handler_t thread_bind;
	thread_count_handler_t thread_count;
	cpuid_call_handler_t cpuid_call;
	cpuid_print_handler_t cpuid_print;

	/* These two are stubs for thread_bind/thread_count. */
	uint32_t cpu_bound_index;
	uint32_t cpu_logical_count;

	uint32_t logical_in_socket;

	struct cpuid_leaf_t **cpuid_leaves;
	struct cpu_regs_t last_leaf;
	union {
		struct cpu_signature_t sig;
		uint32_t sig_int;
	};
	uint16_t family;
	uint16_t model;
	uint16_t vendor;
	uint32_t curmax;

	unsigned ignore_vendor:1;
	unsigned vendor_override:1;

	char procname[48] ALIGNED(4);
	char cmsinfo[64] ALIGNED(4);
};

#define INIT_CPUID_STATE(x) { \
	memset((x), 0, sizeof(struct cpuid_state_t)); \
	(x)->cpuid_print = cpuid_dump_normal; \
	(x)->cpuid_call = cpuid_native; \
	(x)->thread_init = thread_init_native; \
	(x)->thread_bind = thread_bind_native; \
	(x)->thread_count = thread_count_native; \
	}

#define FREE_CPUID_STATE(x) { \
		if ((x)->cpuid_leaves) { \
			uint32_t i; \
			for (i = 0; i < (x)->cpu_logical_count; i++) { \
				free((x)->cpuid_leaves[i]); \
			} \
			free((x)->cpuid_leaves); \
		} \
	}

#endif

/* vim: set ts=4 sts=4 sw=4 noet: */