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AmigaDOS-Emu.zoo
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amiga.c
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C/C++ Source or Header
|
1992-01-14
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529b
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28 lines
#include <sys/types.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <osfcn.h>
#include <stdlib.h>
#include <errno.h>
#include <stdio.h>
#include "arun.h"
#define PAGE 2048
void amiga_init(void)
{
int fd = open("/dev/zero", O_RDWR);
if (fd < 0 ||
mmap((caddr_t)0,
PAGE,
PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
fd, 0))
panic("can't map page zero: %s", strerror(errno));
(void)close(fd);
*(void **)4 = exec_init();
(void)mprotect((caddr_t)0, PAGE, PROT_READ);
dos_init();
}