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Custom-Operating-System/libs/libc/setjmp/riscv64/setjmp.S

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ArmAsm
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2025-02-12 09:54:05 -05:00
.global setjmp
setjmp:
sd s0, 0(a0)
sd s1, 8(a0)
sd s2, 16(a0)
sd s3, 24(a0)
sd s4, 32(a0)
sd s5, 40(a0)
sd s6, 48(a0)
sd s7, 56(a0)
sd s8, 64(a0)
sd s9, 72(a0)
sd s10, 80(a0)
sd s11, 88(a0)
sd ra, 96(a0)
sd sp, 104(a0)
mv a0, zero
ret
// stp x19, x20, [x0,#0x0]
// stp x21, x22, [x0,#0x10]
// stp x23, x24, [x0,#0x20]
// stp x25, x26, [x0,#0x30]
// stp x27, x28, [x0,#0x40]
// stp x29, x4, [x0,#0x50]
// mov x2, lr
// mov x3, sp
// stp x2, x3, [x0,#0x60]
// stp d8, d9, [x0,#0x70]
// stp d10, d11, [x0,#0x80]
// stp d12, d13, [x0,#0x90]
// stp d14, d15, [x0,#0xa0]
// mov x0, #0
ret
.global longjmp
longjmp:
ld s0, 0(a0)
ld s1, 8(a0)
ld s2, 16(a0)
ld s3, 24(a0)
ld s4, 32(a0)
ld s5, 40(a0)
ld s6, 48(a0)
ld s7, 56(a0)
ld s8, 64(a0)
ld s9, 72(a0)
ld s10, 80(a0)
ld s11, 88(a0)
ld ra, 96(a0)
ld sp, 104(a0)
bne a0, zero, 1f
li a0, 1
1:
ret