mirror of
https://github.com/Polprzewodnikowy/SummerCart64.git
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58 lines
1.0 KiB
ArmAsm
58 lines
1.0 KiB
ArmAsm
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.section .text.start
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.global testcollection
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/* zero-initialize all registers */
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addi x1, zero, 0
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addi x2, zero, 0
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addi x3, zero, 0
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addi x4, zero, 0
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addi x5, zero, 0
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addi x6, zero, 0
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addi x7, zero, 0
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addi x8, zero, 0
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addi x9, zero, 0
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addi x10, zero, 0
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addi x11, zero, 0
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addi x12, zero, 0
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addi x13, zero, 0
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addi x14, zero, 0
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addi x15, zero, 0
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addi x16, zero, 0
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addi x17, zero, 0
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addi x18, zero, 0
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addi x19, zero, 0
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addi x20, zero, 0
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addi x21, zero, 0
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addi x22, zero, 0
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addi x23, zero, 0
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addi x24, zero, 0
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addi x25, zero, 0
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addi x26, zero, 0
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addi x27, zero, 0
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addi x28, zero, 0
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addi x29, zero, 0
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addi x30, zero, 0
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addi x31, zero, 0
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/* set stack pointer */
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lui sp, %hi(64*1024)
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addi sp, sp, %lo(64*1024)
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/* push zeros on the stack for argc and argv */
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/* (stack is aligned to 16 bytes in riscv calling convention) */
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addi sp,sp,-16
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sw zero,0(sp)
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sw zero,4(sp)
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sw zero,8(sp)
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sw zero,12(sp)
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/* call test */
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call testcollection
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/* write test results */
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lui x1, %hi(0x10000000)
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addi x1, x1, %lo(0x10000000)
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sw x5, 0(x1)
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ebreak
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