18 lines
261 B
ArmAsm
18 lines
261 B
ArmAsm
#define GPIO_BASE 0x80000000
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#define DELAY 100
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.globl _start
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_start:
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lui a0, %hi(GPIO_BASE)
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addi a0, a0, %lo(GPIO_BASE)
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addi t0, zero, 0
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li t1, DELAY
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.lp1:
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sb t0, 0(a0)
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addi t0, t0, 1
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and t2, zero, zero
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time1:
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addi t2, t2, 1
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bne t1, t2, time1
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j .lp1
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