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Try to boot on RBV system

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This commit is contained in:
Laurent Vivier
2004-02-21 01:43:51 +00:00
parent 399815fc52
commit fcd67e5680
1 changed files with 25 additions and 1 deletions
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26
second/main.c
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@@ -6,6 +6,7 @@
#include <stdio.h> #include <stdio.h>
#include <malloc.h> #include <malloc.h>
#include <string.h>
#include "lowmem.h" #include "lowmem.h"
#include "MMU.h" #include "MMU.h"
@@ -13,6 +14,7 @@
#include "memory.h" #include "memory.h"
#include "uncompress.h" #include "uncompress.h"
#include "bootinfo.h" #include "bootinfo.h"
#include "console.h"
extern char _kernel_start; extern char _kernel_start;
extern char _kernel_end; extern char _kernel_end;
@@ -30,6 +32,9 @@ int main(int argc, char** argv)
unsigned long kernel_image_size = &_kernel_end - &_kernel_start; unsigned long kernel_image_size = &_kernel_end - &_kernel_start;
unsigned long kernel_size = (unsigned long)&_KERNEL_SIZE; unsigned long kernel_size = (unsigned long)&_KERNEL_SIZE;
unsigned long physEntry; unsigned long physEntry;
typedef void (*entry_t) (unsigned char *physEntry, unsigned char size);
entry_t entry;
int ret;
printf("Early Macintosh Image LoadEr\n"); printf("Early Macintosh Image LoadEr\n");
printf("EMILE v"VERSION" (c) 2004 Laurent Vivier\n"); printf("EMILE v"VERSION" (c) 2004 Laurent Vivier\n");
@@ -71,7 +76,26 @@ int main(int argc, char** argv)
set_kernel_bootinfo(kernel + kernel_size); set_kernel_bootinfo(kernel + kernel_size);
enter_kernel((unsigned char*)physEntry, kernel_size + BI_ALLOC_SIZE); ret = logical2physical( (unsigned long)enter_kernel,
(unsigned long*)&entry);
if ( (ret == 0) &&
((unsigned long)enter_kernel != (unsigned long)entry) )
{
extern char end_enter_kernel;
unsigned long logi;
unsigned long size = (unsigned long)&end_enter_kernel -
(unsigned long)&enter_kernel;
logi = console_get_video();
ret = logical2physical(logi, (unsigned long*)&entry);
memcpy((char*)logi, &enter_kernel, size);
memcpy((char*)entry, &enter_kernel, size);
asm("lea 0x0808, %%a1; movec %%a1, %%cacr"::: "%a1");
}
entry((unsigned char*)physEntry, kernel_size + BI_ALLOC_SIZE);
return 0; return 0;
} }