2019-05-31 13:45:59 +00:00
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# qemu -kernel starts at 0x1000. the instructions
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# there seem to be provided by qemu, as if it
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# were a ROM. the code at 0x1000 jumps to
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# 0x8000000, the _start function here,
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# in machine mode.
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.section .data
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.globl stack0
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.section .text
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.globl mstart
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.section .text
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.globl _entry
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_entry:
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# set up a stack for C; stack0 is declared in start.
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la sp, stack0
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addi sp, sp, 1024
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addi sp, sp, 1024
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addi sp, sp, 1024
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addi sp, sp, 1024
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# jump to mstart() in start.c
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call mstart
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junk:
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j junk
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