43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
#include "types.h"
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#include "param.h"
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#include "memlayout.h"
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#include "riscv.h"
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#include "defs.h"
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volatile static int started = 0;
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// Bootstrap processor starts running C code here.
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// Allocate a real stack and switch to it, first
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// doing some setup required for memory allocator to work.
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void
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main()
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{
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if(cpuid() == 0){
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uartinit(); // serial port
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consoleinit();
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printf("hart %d starting\n", cpuid());
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kinit(); // physical page allocator
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kvminit(); // create kernel page table
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kvminithart(); // turn on paging
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procinit(); // process table
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trapinit(); // trap vectors
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trapinithart(); // install kernel trap vector
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plicinit(); // set up interrupt controller
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plicinithart(); // ask PLIC for device interrupts
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binit(); // buffer cache
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fileinit(); // file table
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virtio_disk_init(); // emulated hard disk
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userinit(); // first user process
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started = 1;
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} else {
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while(started == 0)
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;
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printf("hart %d starting\n", cpuid());
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kvminithart(); // turn on paging
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trapinithart(); // install kernel trap vector
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plicinithart(); // ask PLIC for device interrupts
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}
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scheduler();
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}
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