mirror of
https://github.com/vivier/EMILE.git
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87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
/*
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*
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* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
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*
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*/
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#include <stdio.h>
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#include <malloc.h>
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#include "lowmem.h"
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#include "MMU.h"
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#include "bank.h"
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#include "memory.h"
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#include "uncompress.h"
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#include "bootinfo.h"
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extern char _kernel_start;
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extern char _kernel_end;
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extern char _KERNEL_SIZE;
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extern void enter_kernel(char* addr, unsigned long size);
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#define BI_ALLOC_SIZE (4096L) // Allocate 4K for bootinfo
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int main(int argc, char** argv)
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{
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char * kernel;
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char* kernel_image_start = &_kernel_start;
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unsigned long kernel_image_size = &_kernel_end - &_kernel_start;
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unsigned long kernel_size = (unsigned long)&_KERNEL_SIZE;
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unsigned long physEntry;
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int i;
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printf("Early Macintosh Image LoadEr\n");
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printf("EMILE v"VERSION" (c) 2004 Laurent Vivier\n");
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printf("This is free software, redistribute it under GPL\n");
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printf("Kernel image found at %p\n", kernel_image_start);
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printf("Kernel image size is %ld Bytes\n", kernel_image_size);
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printf("Available Memory: %ld KB\n", MemTop / 1024);
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printf("Physical memory map:\n");
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for (i = 0; i < memory_map.bank_number; i++)
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{
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printf("%d: 0x%08lx -> 0x%08lx mapped at 0x%08lx\n", i,
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memory_map.bank[i].physAddr,
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memory_map.bank[i].physAddr + memory_map.bank[i].size,
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memory_map.bank[i].logiAddr);
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}
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if (kernel_image_size != 0)
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{
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/* add KERNEL_ALIGN if we have to align
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* and BI_ALLOC_SIZE for bootinfo
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*/
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kernel = (char*)malloc(kernel_size + 4 + BI_ALLOC_SIZE);
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if (kernel == 0)
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{
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printf("ERROR: cannot allocate %ld bytes\n", kernel_size);
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while (1);
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}
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/* align kernel address to a 4 byte word */
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kernel = (unsigned char*)(((unsigned long)kernel + 3) & 0xFFFFFFFC);
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uncompress(kernel);
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}
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else
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{
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printf("Kernel is missing !!!!\n");
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while(1) ;
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}
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printf("\nOk, booting the kernel.\n");
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logical2physical((unsigned long)kernel, &physEntry);
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printf("Physical address of kernel is 0x%08lx\n", physEntry);
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set_kernel_bootinfo(kernel + kernel_size);
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enter_kernel((unsigned char*)physEntry, kernel_size + BI_ALLOC_SIZE);
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return 0;
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}
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