Fábio Coutada
173b2c3330
- Add kernel/arch/arm/boot.S with ARMv7 assembly entry, stack setup, BSS clear - Add kernel/arch/arm/linker.ld for QEMU virt memory layout (load at 0x40000000) - Add kernel/arch/arm/uart.c/uart.h for PL011 serial output - Add kernel/kernel.c with kernel_main() idle loop - Add kernel/Makefile for arm-none-eabi-gcc cross-compile and QEMU launch - Add kernel/README.md with build/run instructions - Ignore kernel build artifacts in .gitignore
12 lines
234 B
C
12 lines
234 B
C
/*
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* PL011 UART driver header for QEMU ARM virt machine.
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*/
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#ifndef UNIVERSALISOS_UART_H
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#define UNIVERSALISOS_UART_H
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void uart_init(void);
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void uart_putc(char c);
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void uart_puts(const char *s);
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#endif /* UNIVERSALISOS_UART_H */
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