f0e1bca09c
Change-Id: I62d9bff75d35a685983c626720514ff17b1cef00 Reviewed-on: https://review.haiku-os.org/c/haiku/+/4052 Reviewed-by: Alex von Gluck IV <kallisti5@unixzen.com>
89 lines
1.4 KiB
C
89 lines
1.4 KiB
C
/*
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* Copyright 2021, Haiku, Inc.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _ARCH_TRAPS_H_
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#define _ARCH_TRAPS_H_
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# NOTE: this macro don't save SP, it should be saved manually
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.macro PushTrapFrame
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addi sp, sp, -256
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sd ra, 0*8(sp)
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sd t6, 1*8(sp)
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# sd sp, 2*8(sp) # sp
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sd gp, 3*8(sp)
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sd tp, 4*8(sp)
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sd t0, 5*8(sp)
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sd t1, 6*8(sp)
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sd t2, 7*8(sp)
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sd t5, 8*8(sp)
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sd s1, 9*8(sp)
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sd a0, 10*8(sp)
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sd a1, 11*8(sp)
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sd a2, 12*8(sp)
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sd a3, 13*8(sp)
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sd a4, 14*8(sp)
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sd a5, 15*8(sp)
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sd a6, 16*8(sp)
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sd a7, 17*8(sp)
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sd s2, 18*8(sp)
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sd s3, 19*8(sp)
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sd s4, 20*8(sp)
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sd s5, 21*8(sp)
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sd s6, 22*8(sp)
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sd s7, 23*8(sp)
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sd s8, 24*8(sp)
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sd s9, 25*8(sp)
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sd s10, 26*8(sp)
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sd s11, 27*8(sp)
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sd t3, 28*8(sp)
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sd t4, 29*8(sp)
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sd fp, 30*8(sp)
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addi fp, sp, 256
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.endm
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.macro PopTrapFrame
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ld ra, 0*8(sp)
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ld t6, 1*8(sp)
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# ld sp, 2*8(sp) restore later
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ld gp, 3*8(sp)
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# ld tp, 4*8(sp)
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ld t0, 5*8(sp)
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ld t1, 6*8(sp)
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ld t2, 7*8(sp)
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ld t5, 8*8(sp)
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ld s1, 9*8(sp)
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ld a0, 10*8(sp)
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ld a1, 11*8(sp)
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ld a2, 12*8(sp)
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ld a3, 13*8(sp)
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ld a4, 14*8(sp)
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ld a5, 15*8(sp)
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ld a6, 16*8(sp)
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ld a7, 17*8(sp)
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ld s2, 18*8(sp)
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ld s3, 19*8(sp)
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ld s4, 20*8(sp)
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ld s5, 21*8(sp)
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ld s6, 22*8(sp)
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ld s7, 23*8(sp)
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ld s8, 24*8(sp)
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ld s9, 25*8(sp)
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ld s10, 26*8(sp)
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ld s11, 27*8(sp)
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ld t3, 28*8(sp)
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ld t4, 29*8(sp)
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ld fp, 30*8(sp)
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ld sp, 2*8(sp)
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.endm
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#endif // _ARCH_TRAPS_H_
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