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.option norvc
.section .text
.global ktrap
.set FRAME_SIZE, 4 * 31
.global strap
strap:
addi sp, sp, -FRAME_SIZE
sw x1, (0 * 4)(sp)
sw x2, (1 * 4)(sp)
sw x3, (2 * 4)(sp)
sw x4, (3 * 4)(sp)
sw x5, (4 * 4)(sp)
sw x6, (5 * 4)(sp)
sw x7, (6 * 4)(sp)
sw x8, (7 * 4)(sp)
sw x9, (8 * 4)(sp)
sw x10, (9 * 4)(sp)
sw x11, (10 * 4)(sp)
sw x12, (11 * 4)(sp)
sw x13, (12 * 4)(sp)
sw x14, (13 * 4)(sp)
sw x15, (14 * 4)(sp)
sw x16, (15 * 4)(sp)
sw x17, (16 * 4)(sp)
sw x18, (17 * 4)(sp)
sw x19, (18 * 4)(sp)
sw x20, (19 * 4)(sp)
sw x21, (20 * 4)(sp)
sw x22, (21 * 4)(sp)
sw x23, (22 * 4)(sp)
sw x24, (23 * 4)(sp)
sw x25, (24 * 4)(sp)
sw x26, (25 * 4)(sp)
sw x27, (26 * 4)(sp)
sw x28, (27 * 4)(sp)
sw x29, (28 * 4)(sp)
sw x30, (29 * 4)(sp)
sw x31, (30 * 4)(sp)
csrr a0, scause
call ktrap
lw x1, (0 * 4)(sp)
lw x2, (1 * 4)(sp)
lw x3, (2 * 4)(sp)
lw x4, (3 * 4)(sp)
lw x5, (4 * 4)(sp)
lw x6, (5 * 4)(sp)
lw x7, (6 * 4)(sp)
lw x8, (7 * 4)(sp)
lw x9, (8 * 4)(sp)
lw x10, (9 * 4)(sp)
lw x11, (10 * 4)(sp)
lw x12, (11 * 4)(sp)
lw x13, (12 * 4)(sp)
lw x14, (13 * 4)(sp)
lw x15, (14 * 4)(sp)
lw x16, (15 * 4)(sp)
lw x17, (16 * 4)(sp)
lw x18, (17 * 4)(sp)
lw x19, (18 * 4)(sp)
lw x20, (19 * 4)(sp)
lw x21, (20 * 4)(sp)
lw x22, (21 * 4)(sp)
lw x23, (22 * 4)(sp)
lw x24, (23 * 4)(sp)
lw x25, (24 * 4)(sp)
lw x26, (25 * 4)(sp)
lw x27, (26 * 4)(sp)
lw x28, (27 * 4)(sp)
lw x29, (28 * 4)(sp)
lw x30, (29 * 4)(sp)
lw x31, (30 * 4)(sp)
addi sp, sp, FRAME_SIZE
sret
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