mirror of https://github.com/YosysHQ/picorv32.git
52 lines
739 B
ArmAsm
52 lines
739 B
ArmAsm
.section .text
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.global start
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.global main
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start:
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/* print "START\n" */
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lui a0,0x10000000>>12
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addi a1,zero,'S'
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addi a2,zero,'T'
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addi a3,zero,'A'
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addi a4,zero,'R'
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addi a5,zero,'\n'
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sw a1,0(a0)
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sw a2,0(a0)
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sw a3,0(a0)
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sw a4,0(a0)
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sw a2,0(a0)
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sw a5,0(a0)
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/* execute some insns for "make timing" */
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lui a0,0
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auipc a0,0
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slli a0,a0,0
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slli a0,a0,31
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addi a1,zero,0
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sll a0,a0,a1
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addi a1,zero,31
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sll a0,a0,a1
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/* set stack pointer */
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lui sp,(64*1024)>>12
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/* jump to main C code */
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jal ra,main
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/* print "DONE\n" */
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lui a0,0x10000000>>12
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addi a1,zero,'D'
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addi a2,zero,'O'
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addi a3,zero,'N'
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addi a4,zero,'E'
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addi a5,zero,'\n'
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sw a1,0(a0)
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sw a2,0(a0)
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sw a3,0(a0)
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sw a4,0(a0)
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sw a5,0(a0)
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/* break */
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sbreak
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