/*
 * Copyright 2021, Haiku, Inc.
 * Distributed under the terms of the MIT License.
 */


#ifndef _ARCH_TRAPS_H_
#define _ARCH_TRAPS_H_


# NOTE: this macro don't save SP, it should be saved manually
.macro PushTrapFrame extSize
        addi sp, sp, -(\extSize + 256)

        sd ra,  \extSize +  0*8(sp)
        sd t6,  \extSize +  1*8(sp)
#       sd sp,  \extSize +  2*8(sp) # sp
        sd gp,  \extSize +  3*8(sp)
        sd tp,  \extSize +  4*8(sp)
        sd t0,  \extSize +  5*8(sp)
        sd t1,  \extSize +  6*8(sp)
        sd t2,  \extSize +  7*8(sp)
        sd t5,  \extSize +  8*8(sp)
        sd s1,  \extSize +  9*8(sp)
        sd a0,  \extSize + 10*8(sp)
        sd a1,  \extSize + 11*8(sp)
        sd a2,  \extSize + 12*8(sp)
        sd a3,  \extSize + 13*8(sp)
        sd a4,  \extSize + 14*8(sp)
        sd a5,  \extSize + 15*8(sp)
        sd a6,  \extSize + 16*8(sp)
        sd a7,  \extSize + 17*8(sp)
        sd s2,  \extSize + 18*8(sp)
        sd s3,  \extSize + 19*8(sp)
        sd s4,  \extSize + 20*8(sp)
        sd s5,  \extSize + 21*8(sp)
        sd s6,  \extSize + 22*8(sp)
        sd s7,  \extSize + 23*8(sp)
        sd s8,  \extSize + 24*8(sp)
        sd s9,  \extSize + 25*8(sp)
        sd s10, \extSize + 26*8(sp)
        sd s11, \extSize + 27*8(sp)
        sd t3,  \extSize + 28*8(sp)
        sd t4,  \extSize + 29*8(sp)
        sd fp,  \extSize + 30*8(sp)

        addi fp, sp, \extSize + 256
.endm


.macro PopTrapFrame extSize
        ld ra,  \extSize +  0*8(sp)
        ld t6,  \extSize +  1*8(sp)
#       ld sp,  \extSize +  2*8(sp) restore later
        ld gp,  \extSize +  3*8(sp)
#       ld tp,  \extSize +  4*8(sp)
        ld t0,  \extSize +  5*8(sp)
        ld t1,  \extSize +  6*8(sp)
        ld t2,  \extSize +  7*8(sp)
        ld t5,  \extSize +  8*8(sp)
        ld s1,  \extSize +  9*8(sp)
        ld a0,  \extSize + 10*8(sp)
        ld a1,  \extSize + 11*8(sp)
        ld a2,  \extSize + 12*8(sp)
        ld a3,  \extSize + 13*8(sp)
        ld a4,  \extSize + 14*8(sp)
        ld a5,  \extSize + 15*8(sp)
        ld a6,  \extSize + 16*8(sp)
        ld a7,  \extSize + 17*8(sp)
        ld s2,  \extSize + 18*8(sp)
        ld s3,  \extSize + 19*8(sp)
        ld s4,  \extSize + 20*8(sp)
        ld s5,  \extSize + 21*8(sp)
        ld s6,  \extSize + 22*8(sp)
        ld s7,  \extSize + 23*8(sp)
        ld s8,  \extSize + 24*8(sp)
        ld s9,  \extSize + 25*8(sp)
        ld s10, \extSize + 26*8(sp)
        ld s11, \extSize + 27*8(sp)
        ld t3,  \extSize + 28*8(sp)
        ld t4,  \extSize + 29*8(sp)
        ld fp,  \extSize + 30*8(sp)

        ld sp,  \extSize +  2*8(sp)
.endm


#endif  // _ARCH_TRAPS_H_