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Add support for Mac Classic

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Laurent Vivier 2005-05-23 22:23:34 +00:00
parent 991245f956
commit a4db5808a7
1 changed files with 37 additions and 14 deletions
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51
second/arch.c
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@ -23,27 +23,50 @@ unsigned long arch_type;
unsigned long bus_type;
#endif
struct older_macintosh_info {
char *name;
unsigned short ROMID;
unsigned short SSW;
unsigned long cpu_type;
unsigned long mmu_type;
unsigned long fpu_type;
unsigned long machine_id;
unsigned long arch_type;
};
struct older_macintosh_info older_macintosh[] = {
{ "Macintosh SE/30", 0x0178, 0x0603,
gestalt68030, gestalt68030MMU, gestalt68882,
gestaltMacSE030, gestalt68k },
{ "Macintosh Classic", 0x0276, 0x0607,
gestalt68000, gestaltNoMMU, gestaltNoFPU,
gestaltClassic, gestalt68k },
{ NULL }
};
void arch_init()
{
/* System prior to 6.0.4 doesn't support Gestalt() */
int i = 0;
if (ROMBase[4] == 0x0178) {
/* Some systems don't support Gestalt() */
/* Macintosh SE/30 */
while (older_macintosh[i].name != NULL )
{
if (ROMBase[4] == older_macintosh[i].ROMID)
{
/* Doesn't support Gestalt(), nor SysEnvirons() */
/* Doesn't support Gestalt(), nor SysEnvirons() (why ?) */
cpu_type = older_macintosh[i].cpu_type;
mmu_type = older_macintosh[i].mmu_type;
fpu_type = older_macintosh[i].fpu_type;
machine_id = older_macintosh[i].machine_id;
arch_type = older_macintosh[i].arch_type;
/* http://docs.info.apple.com/article.html?artnum=112170 */
cpu_type = gestalt68030;
mmu_type = gestalt68030MMU;
fpu_type = gestalt68882;
machine_id = gestaltMacSE030;
arch_type = gestalt68k;
return;
return;
}
i++;
}
/* get processor type */
Gestalt(gestaltProcessorType, &cpu_type);