24 lines
548 B
C
24 lines
548 B
C
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#define SERIAL_BASE 0x16000000
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#define SERIAL_FLAG_REGISTER 0x18
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#define SERIAL_BUFFER_FULL (1 << 5)
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void putc (char c)
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{
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/* Wait until the serial buffer is empty */
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while (*(volatile unsigned long*)(SERIAL_BASE + SERIAL_FLAG_REGISTER)
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& (SERIAL_BUFFER_FULL));
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/* Put our character, c, into the serial buffer */
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*(volatile unsigned long*)SERIAL_BASE = c;
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}
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void puts (const char * str)
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{
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while (*str) putc (*str++);
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}
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int main (void)
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{
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puts ("hello, world!\n");
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return 0;
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}
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