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Add a skeleton of powerPC support

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This commit is contained in:
Laurent Vivier 2004-02-26 22:51:37 +00:00
parent 6b0cf6488a
commit af0d528190
1 changed files with 30 additions and 4 deletions
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34
second/main.c
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@ -15,6 +15,8 @@
#include "uncompress.h"
#include "bootinfo.h"
#include "console.h"
#include "arch.h"
#include "misc.h"
typedef void (*entry_t) (unsigned long , unsigned long , unsigned long );
@ -34,6 +36,7 @@ extern void enter_kernel(unsigned long addr, unsigned long size, unsigned long d
int main(int argc, char** argv)
{
#ifdef TARGET_M68K
char * kernel;
char* kernel_image_start = &_kernel_start;
unsigned long kernel_image_size = &_kernel_end - &_kernel_start;
@ -44,11 +47,32 @@ int main(int argc, char** argv)
unsigned long start_mem;
unsigned long aligned_size;
unsigned long aligned_addr;
#endif
printf("Early Macintosh Image LoadEr\n");
printf("EMILE v"VERSION" (c) 2004 Laurent Vivier\n");
printf("This is free software, redistribute it under GPL\n");
#ifdef TARGET_PPC
if (arch_type == gestalt68k)
{
error("You're trying to boot a powerPC kernel on 680x0 Machine\n");
}
/* FIX ME: add some stuff to start 3rd level (powerPC) */
while(1);
return 0;
#elif defined(TARGET_M68K)
if (arch_type == gestaltPowerPC)
{
error("You're trying to boot a m68k kernel on powerPC Machine\n");
}
printf("Available Memory: %ld kB\n", bank_mem_avail() / 1024);
printf("Kernel image found at %p\n", kernel_image_start);
@ -63,8 +87,8 @@ int main(int argc, char** argv)
kernel = (char*)malloc(kernel_size + 4 + BI_ALLOC_SIZE);
if (kernel == 0)
{
printf("ERROR: cannot allocate %ld bytes\n", kernel_size);
while (1);
printf("cannot allocate %ld bytes\n", kernel_size);
while(1);
}
/* align kernel address to a 4 byte word */
@ -74,8 +98,8 @@ int main(int argc, char** argv)
}
else
{
printf("Kernel is missing !!!!\n");
while(1) ;
error("Kernel is missing !!!!\n");
return 1; /* to make gcc happy */
}
ret = logical2physical((unsigned long)kernel, &physImage);
@ -134,4 +158,6 @@ int main(int argc, char** argv)
entry(physImage, kernel_size + BI_ALLOC_SIZE, start_mem);
return 0;
#endif /* TARGET_M68K */
}