i86pc/sys/cpr_wakecode.h

	cpr_wakecode.h revision 2df1fe9ca32bb227b9158c67f5c00b54c20b10fd
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _CPR_WC_H
#define _CPR_WC_H

#pragma ident   "%Z%%M% %I% %E% SMI"

#ifdef  __cplusplus
extern "C" {
#endif

#define WC_CODESIZE 0x400

#if ! defined(_ASM)

#include <sys/rm_platter.h>
#include <sys/psm_types.h>

typedef struct wc_cpu {
    uint64_t wc_retaddr;
    uint64_t wc_virtaddr;
    uint64_t wc_cr0;
    uint64_t wc_cr3;
    uint64_t wc_cr4;
    uint64_t wc_cr8;
    uint64_t wc_fs;
    uint64_t wc_fsbase;
    uint64_t wc_gs;
    uint64_t wc_gsbase;
    uint64_t wc_kgsbase;
    uint64_t wc_r8;
    uint64_t wc_r9;
    uint64_t wc_r10;
    uint64_t wc_r11;
    uint64_t wc_r12;
    uint64_t wc_r13;
    uint64_t wc_r14;
    uint64_t wc_r15;
    uint64_t wc_rax;
    uint64_t wc_rbp;
    uint64_t wc_rbx;
    uint64_t wc_rcx;
    uint64_t wc_rdi;
    uint64_t wc_rdx;
    uint64_t wc_rsi;
    uint64_t wc_rsp;

#if defined(__amd64)
    /*
     * The compiler will want to 64-bit align the 64-bit rm_gdt_base
     * pointer, so we need to add an extra four bytes of padding here to
     * make sure rm_gdt_lim and rm_gdt_base will align to create a proper
     * ten byte GDT pseudo-descriptor.
     */
uint32_t wc_gdt_pad1;
#endif
    ushort_t wc_gdt_pad2;
    ushort_t wc_gdt_limit;
    user_desc_t *wc_gdt_base;

#if defined(__amd64)
    /*
     * The compiler will want to 64-bit align the 64-bit rm_idt_base
     * pointer, so we need to add an extra four bytes of padding here to
     * make sure rm_idt_lim and rm_idt_base will align to create a proper
     * ten byte IDT pseudo-descriptor.
     */
uint32_t wc_idt_pad1;
#endif
    ushort_t wc_idt_pad2;
    ushort_t wc_idt_limit;
    user_desc_t *wc_idt_base;

#if defined(__amd64)
    uint64_t wc_tr;
    uint64_t wc_ldt;
    uint64_t wc_eflags;
#else
    uint32_t wc_tr;
    uint32_t wc_ldt;
    uint32_t wc_eflags;
#endif

    uint32_t wc_ebx;
    uint32_t wc_edi;
    uint32_t wc_esi;
    uint32_t wc_ebp;
    uint32_t wc_esp;
    uint16_t wc_ss;
    uint16_t wc_cs;
    uint16_t wc_ds;
    uint16_t wc_es;
    char    wc_stack[400];
    psm_state_request_t wc_apic_state;


    /* temp stack grows down to here */
} wc_cpu_t;

typedef struct wc_wakecode {
    rm_platter_t    wc_platter;
    wc_cpu_t    wc_cpu;

    /* temp stack grows down to here */
} wakecode_t;

/*
 * this is NOT correctly aligned, see description of idt & gdt, limit and
 * base in wc_cpu_t above
 */
typedef struct wc_desctbr {
    ushort_t    limit;
    void        *base;
} wc_desctbr_t;

extern int  wc_save_context(wc_cpu_t *);
extern void wc_rm_start(void);
extern void wc_rm_end(void);
extern void (*cpr_start_cpu_func)(void);

#endif  /* ! defined(_ASM) */

#define WC_STKSTART 0x7fc   /* end of rm_platter page */

#ifdef  __cplusplus
}
#endif

#endif  /* _CPR_WC_H */