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add 68040 MMU support

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This commit is contained in:
Laurent Vivier
2004-03-04 22:47:09 +00:00
parent 7982826ab8
commit ba5d1bc551
1 changed files with 23 additions and 5 deletions
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28
second/bank.c
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@@ -10,7 +10,8 @@
#include "arch.h" #include "arch.h"
#include "lowmem.h" #include "lowmem.h"
#include "MMU.h" #include "MMU030.h"
#include "MMU040.h"
#include "bank.h" #include "bank.h"
/* MacOS nanokernel data structures (nubus powerPC only) /* MacOS nanokernel data structures (nubus powerPC only)
@@ -95,14 +96,27 @@ void m68k_init_memory_map()
{ {
bank_add_mem(0, 0, MemTop); bank_add_mem(0, 0, MemTop);
} }
else else if (mmu_type == gestalt68040MMU)
{ {
ps = MMU_get_page_size(); ps = MMU040_get_page_size();
memory_map.bank_number = 0; memory_map.bank_number = 0;
logical = 0; logical = 0;
for (logical = 0; logical < MemTop ; logical += ps) for (logical = 0; logical < MemTop ; logical += ps)
{ {
if (logical2physical(logical, &physical) == 0) if (MMU040_logical2physical(logical, &physical) == 0)
{
bank_add_mem(logical, physical, ps);
}
}
}
else
{
ps = MMU030_get_page_size();
memory_map.bank_number = 0;
logical = 0;
for (logical = 0; logical < MemTop ; logical += ps)
{
if (MMU030_logical2physical(logical, &physical) == 0)
{ {
bank_add_mem(logical, physical, ps); bank_add_mem(logical, physical, ps);
} }
@@ -168,8 +182,12 @@ int logical2physical(unsigned long logical, unsigned long *physical)
return 0; return 0;
} }
else if (mmu_type == gestalt68040MMU)
{
return MMU040_logical2physical(logical, physical);
}
return MMU_logical2physical(logical, physical); return MMU030_logical2physical(logical, physical);
} }
int physical2logical(unsigned long physical, unsigned long *logical) int physical2logical(unsigned long physical, unsigned long *logical)