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/*
* 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.
*/
#include <sys/asm_linkage.h>
#include <sys/hypervisor.h>
#include <sys/privregs.h>
#include <sys/segments.h>
#include <sys/traptrace.h>
#include <sys/trap.h>
#include <sys/psw.h>
#include <sys/x86_archext.h>
#include <sys/asm_misc.h>
#include <sys/panic.h>
#include "assym.h"
ENTRY_NP(xpv_panic_getcr3)
movq %cr3, %rax
ret
SET_SIZE(xpv_panic_getcr3)
ENTRY_NP(xpv_panic_setcr3)
movq %rdi, %cr3
ret
SET_SIZE(xpv_panic_setcr3)
ENTRY(xpv_panic_reload_cr3)
movq %cr3, %rdi
movq %rdi, %cr3
ret
SET_SIZE(xpv_panic_reload_cr3)
ENTRY_NP(xpv_panic_prep)
pushq %rbp
movq %rsp, %rbp
subq $REGSIZE, %rsp
movq %rax, REGOFF_RAX(%rsp)
movq %rbx, REGOFF_RBX(%rsp)
movq %rsp, %rax
addq $REGSIZE, %rax
movq (%rax), %rbx
movq %rbx, REGOFF_RBP(%rsp)
movq 8(%rax), %rbx
movq %rbx, REGOFF_TRAPNO(%rsp)
movq 16(%rax), %rbx
movq %rbx, REGOFF_ERR(%rsp)
movq 24(%rax), %rbx
movq %rbx, REGOFF_RIP(%rsp)
movq 32(%rax), %rbx
movq %rbx, REGOFF_CS(%rsp)
movq 40(%rax), %rbx
movq %rbx, REGOFF_RFL(%rsp)
addq $56, %rax
movq %rax, REGOFF_RSP(%rsp)
xorl %eax, %eax
movw %gs, %ax
mov %rax, REGOFF_GS(%rsp)
movw %fs, %ax
mov %rax, REGOFF_FS(%rsp)
movw %es, %ax
mov %rax, REGOFF_ES(%rsp)
movw %ds, %ax
mov %rax, REGOFF_DS(%rsp)
movw %ss, %ax
mov %rax, REGOFF_SS(%rsp)
movq %rcx, REGOFF_RCX(%rsp)
movq %rdx, REGOFF_RDX(%rsp)
movq %rdi, REGOFF_RDI(%rsp)
movq %rsi, REGOFF_RSI(%rsp)
movq %r8, REGOFF_R8(%rsp)
movq %r9, REGOFF_R9(%rsp)
movq %r10, REGOFF_R10(%rsp)
movq %r11, REGOFF_R11(%rsp)
movq %r12, REGOFF_R12(%rsp)
movq %r13, REGOFF_R13(%rsp)
movq %r14, REGOFF_R14(%rsp)
movq %r15, REGOFF_R15(%rsp)
movq %rsp, %rdi
call xpv_die
SET_SIZE(xpv_panic_prep)
/*
* Switch to the Solaris panic stack and jump into the Xen panic
* handling code.
*/
ENTRY_NP(xpv_panic_hdlr)
leaq panic_stack(%rip), %rsp
addq $PANICSTKSIZE, %rsp
call xpv_do_panic
SET_SIZE(xpv_panic_hdlr)
ENTRY_NP(xpv_surprise_intr)
pushq %rbp
movq %rsp, %rbp
subq $REGOFF_TRAPNO, %rsp
__SAVE_REGS
movq %rsp, %rdi
addq $REGOFF_TRAPNO, %rdi
call xpv_interrupt
__RESTORE_REGS
addq $REGOFF_TRAPNO, %rsp
popq %rbp
iretq
SET_SIZE(xpv_surprise_intr)
ENTRY_NP(xpv_timer_trap)
pushq %rbp
movq %rsp, %rbp
subq $REGOFF_TRAPNO, %rsp
__SAVE_REGS
movq %rsp, %rdi
addq $REGOFF_TRAPNO, %rdi
call xpv_timer_tick
__RESTORE_REGS
addq $REGOFF_TRAPNO, %rsp
popq %rbp
iretq
SET_SIZE(xpv_timer_trap)
ENTRY_NP(xpv_panic_sti)
sti
ret
SET_SIZE(xpv_panic_sti)
ENTRY_NP(xpv_panic_halt)
sti
hlt
ret
SET_SIZE(xpv_panic_halt)
ENTRY_NP(xpv_panic_resetgs)
movl $KGS_SEL, %eax
movw %ax, %gs
ret
SET_SIZE(xpv_panic_resetgs)
ENTRY_NP(xpv_invaltrap)
push $0xbad0
push $0x0bad
jmp xpv_panic_prep
SET_SIZE(xpv_invaltrap)
ENTRY_NP(xpv_div0trap)
push $0
push $T_ZERODIV
jmp xpv_panic_prep
SET_SIZE(xpv_div0trap)
ENTRY_NP(xpv_dbgtrap)
push $0
push $T_SGLSTP
jmp xpv_panic_prep
SET_SIZE(xpv_dbgtrap)
ENTRY_NP(xpv_nmiint)
push $0
push $T_NMIFLT
jmp xpv_panic_prep
SET_SIZE(xpv_nmiint)
ENTRY_NP(xpv_brktrap)
/* XXX: check for error */
push $T_BPTFLT
jmp xpv_panic_prep
SET_SIZE(xpv_brktrap)
ENTRY_NP(xpv_ovflotrap)
push $0
push $T_OVFLW
jmp xpv_panic_prep
SET_SIZE(xpv_ovflotrap)
ENTRY_NP(xpv_boundstrap)
push $0
push $T_BOUNDFLT
jmp xpv_panic_prep
SET_SIZE(xpv_boundstrap)
ENTRY_NP(xpv_invoptrap)
push $T_ILLINST
jmp xpv_panic_prep
SET_SIZE(xpv_invoptrap)
ENTRY_NP(xpv_ndptrap)
push $0
push $T_NOEXTFLT
jmp xpv_panic_prep
SET_SIZE(xpv_ndptrap)
ENTRY_NP(xpv_syserrtrap)
/* XXX: check for error */
push $T_DBLFLT
jmp xpv_panic_prep
SET_SIZE(xpv_syserrtrap)
ENTRY_NP(xpv_invtsstrap)
push $T_TSSFLT
jmp xpv_panic_prep
SET_SIZE(xpv_invtsstrap)
ENTRY_NP(xpv_segnptrap)
push $T_SEGFLT
jmp xpv_panic_prep
SET_SIZE(xpv_segnptrap)
ENTRY_NP(xpv_stktrap)
push $T_STKFLT
jmp xpv_panic_prep
SET_SIZE(xpv_stktrap)
ENTRY_NP(xpv_gptrap)
push $T_GPFLT
jmp xpv_panic_prep
SET_SIZE(xpv_gptrap)
ENTRY_NP(xpv_pftrap)
push $T_PGFLT
jmp xpv_panic_prep
SET_SIZE(xpv_pftrap)
ENTRY_NP(xpv_ndperr)
push $0
push $T_EXTERRFLT
jmp xpv_panic_prep
SET_SIZE(xpv_ndperr)
ENTRY_NP(xpv_achktrap)
push $T_ALIGNMENT
jmp xpv_panic_prep
SET_SIZE(xpv_achktrap)
ENTRY_NP(xpv_mcetrap)
push $0
push $T_MCE
jmp xpv_panic_prep
SET_SIZE(xpv_mcetrap)
ENTRY_NP(xpv_xmtrap)
push $0
push $T_SIMDFPE
jmp xpv_panic_prep
SET_SIZE(xpv_xmtrap)
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