/*
* Copyright (c) 2014 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.
*/
#ifndef KERN_ARCH_CONTEXT_STRUCT_H_
#define KERN_ARCH_CONTEXT_STRUCT_H_
#define CONTEXT_OFFSET_SP 0x00
#define CONTEXT_OFFSET_PC 0x04
#define CONTEXT_OFFSET_S0 0x08
#define CONTEXT_OFFSET_S1 0x0c
#define CONTEXT_OFFSET_S2 0x10
#define CONTEXT_OFFSET_S3 0x14
#define CONTEXT_OFFSET_S4 0x18
#define CONTEXT_OFFSET_S5 0x1c
#define CONTEXT_OFFSET_S6 0x20
#define CONTEXT_OFFSET_S7 0x24
#define CONTEXT_OFFSET_S8 0x28
#define CONTEXT_OFFSET_GP 0x2c
#define CONTEXT_OFFSET_TP 0x30
#define CONTEXT_SIZE 0x34
#ifndef __ASSEMBLER__
#include <typedefs.h>
typedef struct context {
/* Only save registers that must be preserved across function calls. */
uint32_t sp;
uint32_t pc;
uint32_t s0;
uint32_t s1;
uint32_t s2;
uint32_t s3;
uint32_t s4;
uint32_t s5;
uint32_t s6;
uint32_t s7;
uint32_t s8;
uint32_t gp;
/* We use the K1 register for userspace thread pointer. */
uint32_t tp;
} context_t;
#endif
#endif