/*
* Copyright (c) 2014 Jakub Jermar
* All rights preserved.
*
* 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_AR_PFS 0x00
#define CONTEXT_OFFSET_AR_UNAT_CALLER 0x08
#define CONTEXT_OFFSET_AR_UNAT_CALLEE 0x10
#define CONTEXT_OFFSET_AR_RSC 0x18
#define CONTEXT_OFFSET_BSP 0x20
#define CONTEXT_OFFSET_AR_RNAT 0x28
#define CONTEXT_OFFSET_AR_LC 0x30
#define CONTEXT_OFFSET_AR_FPSR 0x38
#define CONTEXT_OFFSET_R1 0x40
#define CONTEXT_OFFSET_R4 0x48
#define CONTEXT_OFFSET_R5 0x50
#define CONTEXT_OFFSET_R6 0x58
#define CONTEXT_OFFSET_R7 0x60
#define CONTEXT_OFFSET_SP 0x68
#define CONTEXT_OFFSET_R13 0x70
#define CONTEXT_OFFSET_PC 0x78
#define CONTEXT_OFFSET_B1 0x80
#define CONTEXT_OFFSET_B2 0x88
#define CONTEXT_OFFSET_B3 0x90
#define CONTEXT_OFFSET_B4 0x98
#define CONTEXT_OFFSET_B5 0xa0
#define CONTEXT_OFFSET_PR 0xa8
#define CONTEXT_OFFSET_F2 0xb0
#define CONTEXT_OFFSET_F3 0xc0
#define CONTEXT_OFFSET_F4 0xd0
#define CONTEXT_OFFSET_F5 0xe0
#define CONTEXT_OFFSET_F16 0xf0
#define CONTEXT_OFFSET_F17 0x100
#define CONTEXT_OFFSET_F18 0x110
#define CONTEXT_OFFSET_F19 0x120
#define CONTEXT_OFFSET_F20 0x130
#define CONTEXT_OFFSET_F21 0x140
#define CONTEXT_OFFSET_F22 0x150
#define CONTEXT_OFFSET_F23 0x160
#define CONTEXT_OFFSET_F24 0x170
#define CONTEXT_OFFSET_F25 0x180
#define CONTEXT_OFFSET_F26 0x190
#define CONTEXT_OFFSET_F27 0x1a0
#define CONTEXT_OFFSET_F28 0x1b0
#define CONTEXT_OFFSET_F29 0x1c0
#define CONTEXT_OFFSET_F30 0x1d0
#define CONTEXT_OFFSET_F31 0x1e0
#define CONTEXT_SIZE 0x1f0
#ifndef __ASSEMBLER__
#include <typedefs.h>
#include <_bits/int128_t.h>
// Only save registers that must be preserved across function calls.
typedef struct context {
// Application registers.
uint64_t ar_pfs;
uint64_t ar_unat_caller;
uint64_t ar_unat_callee;
uint64_t ar_rsc;
// ar_bsp
uint64_t bsp;
uint64_t ar_rnat;
uint64_t ar_lc;
uint64_t ar_fpsr;
// General registers.
uint64_t r1;
uint64_t r4;
uint64_t r5;
uint64_t r6;
uint64_t r7;
// r12
uint64_t sp;
uint64_t r13;
// Branch registers.
// b0
uint64_t pc;
uint64_t b1;
uint64_t b2;
uint64_t b3;
uint64_t b4;
uint64_t b5;
// Predicate registers.
uint64_t pr;
// Floating-point registers.
uint128_t f2;
uint128_t f3;
uint128_t f4;
uint128_t f5;
uint128_t f16;
uint128_t f17;
uint128_t f18;
uint128_t f19;
uint128_t f20;
uint128_t f21;
uint128_t f22;
uint128_t f23;
uint128_t f24;
uint128_t f25;
uint128_t f26;
uint128_t f27;
uint128_t f28;
uint128_t f29;
uint128_t f30;
uint128_t f31;
} context_t;
#endif /* __ASSEMBLER__ */
#endif