44 lines
675 B
Go
44 lines
675 B
Go
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package main
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import (
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"flag"
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"io/ioutil"
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"os"
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"riscvemu"
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)
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func main() {
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memorySize := flag.Int("MemorySize", 4096, "Memory size (bytes)")
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loadAddress := flag.Int("LoadAddress", 0, "Load address and initial progRam counter")
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flag.Parse()
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files := flag.Args()
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if len(files) != 1 {
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flag.Usage()
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os.Exit(1)
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}
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sw := riscvemu.MemoryWorld{
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Ram: make([]byte, *memorySize),
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}
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// Copy file into working memory
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fb, err := ioutil.ReadFile(files[0])
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if err != nil {
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panic(err)
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}
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copy(sw.Ram[*loadAddress:*loadAddress+len(fb)], fb)
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c := riscvemu.NewCPU(&sw)
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c.Pc = uint32(*loadAddress)
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for {
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err := c.Step()
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if err != nil {
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panic(err)
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}
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}
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}
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