37 lines
716 B
ArmAsm
37 lines
716 B
ArmAsm
.global user_exec
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user_exec:
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sub sp, sp, 36 * 8
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mov x1, x0
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mov x0, sp
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mov x2, 36 * 8
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bl memcpy
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ldp lr, x0, [sp, 16 * 15]
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ldp x1, x2, [sp, 16 * 16]
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ldr x3, [sp, 16 * 17]
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msr spsr_el1, x0
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msr elr_el1, x1
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msr esr_el1, x2
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msr sp_el0, x3
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ldp x0, x1, [sp, 16 * 0]
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ldp x2, x3, [sp, 16 * 1]
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ldp x4, x5, [sp, 16 * 2]
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ldp x6, x7, [sp, 16 * 3]
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ldp x8, x9, [sp, 16 * 4]
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ldp x10, x11, [sp, 16 * 5]
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ldp x12, x13, [sp, 16 * 6]
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ldp x14, x15, [sp, 16 * 7]
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ldp x16, x17, [sp, 16 * 8]
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ldp x18, x19, [sp, 16 * 9]
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ldp x20, x21, [sp, 16 * 10]
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ldp x22, x23, [sp, 16 * 11]
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ldp x24, x25, [sp, 16 * 12]
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ldp x26, x27, [sp, 16 * 13]
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ldp x28, fp, [sp, 16 * 14]
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add sp, sp, 36 * 8
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eret
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