/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup sparc64interrupt
* @{
*/
/** @file
*/
#ifndef KERN_sparc64_TRAP_TABLE_H_
#define KERN_sparc64_TRAP_TABLE_H_
#include <arch/stack.h>
#define TRAP_TABLE_ENTRY_COUNT 1024
#define TRAP_TABLE_ENTRY_SIZE 32
#define TRAP_TABLE_SIZE (TRAP_TABLE_ENTRY_COUNT * TRAP_TABLE_ENTRY_SIZE)
#ifndef __ASM__
#include <arch/types.h>
struct trap_table_entry {
uint8_t octets[TRAP_TABLE_ENTRY_SIZE];
} __attribute__ ((packed));
typedef struct trap_table_entry trap_table_entry_t;
extern trap_table_entry_t trap_table[TRAP_TABLE_ENTRY_COUNT];
extern trap_table_entry_t trap_table_save[TRAP_TABLE_ENTRY_COUNT];
#endif /* !__ASM__ */
#ifdef __ASM__
.macro SAVE_GLOBALS
mov %g1, %l1
mov %g2, %l2
mov %g3, %l3
mov %g4, %l4
mov %g5, %l5
mov %g6, %l6
mov %g7, %l7
.endm
.macro RESTORE_GLOBALS
mov %l1, %g1
mov %l2, %g2
mov %l3, %g3
mov %l4, %g4
mov %l5, %g5
mov %l6, %g6
mov %l7, %g7
.endm
/*
* The following needs to be in sync with the definition of the istate
* structure. The one STACK_ITEM_SIZE is counted for space holding the 7th
* argument to syscall_handler (i.e. syscall number) and the other
* STACK_ITEM_SIZE is counted because of the required alignment.
*/
#define PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE \
(STACK_WINDOW_SAVE_AREA_SIZE + STACK_ARG_SAVE_AREA_SIZE + \
(2 * STACK_ITEM_SIZE) + (12 * 8))
#define SAVED_TSTATE -(1 * 8)
#define SAVED_TPC -(2 * 8)
#define SAVED_TNPC -(3 * 8) /* <-- istate_t begins here */
#define SAVED_Y -(4 * 8)
#define SAVED_I0 -(5 * 8)
#define SAVED_I1 -(6 * 8)
#define SAVED_I2 -(7 * 8)
#define SAVED_I3 -(8 * 8)
#define SAVED_I4 -(9 * 8)
#define SAVED_I5 -(10 * 8)
#define SAVED_I6 -(11 * 8)
#define SAVED_I7 -(12 * 8)
.macro PREEMPTIBLE_HANDLER f
sethi %hi(\f), %g1
b preemptible_handler
or %g1, %lo(\f), %g1
.endm
#endif /* __ASM__ */
#endif
/** @}
*/