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Fix the bootloader build for m68k.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43146 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol
2011-11-03 01:09:49 +00:00
parent f239fdf6b8
commit b29bbc9a80
1 changed files with 18 additions and 21 deletions
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src/system/boot/arch/m68k/mmu_040.cpp
+18 -21
View File
@@ -133,7 +133,7 @@ load_rp(addr_t pa)
return EINVAL;
}
// make sure it's empty
page_directory_entry_scalar *pr = (page_directory_entry_scalar *)pa;
page_directory_entry *pr = (page_directory_entry *)pa;
for (int32 j = 0; j < NUM_ROOTENT_PER_TBL; j++)
pr[j] = DFL_ROOTENT_VAL;
@@ -163,11 +163,10 @@ allocate_kernel_pgdirs(void)
tbl += SIZ_DIRTBL;
else
tbl = mmu_get_next_page_tables();
pr[i].addr = TA_TO_PREA(tbl);
pr[i].type = DT_ROOT;
pr[i] = DT_ROOT | TA_TO_PREA(tbl);
pd = (page_directory_entry *)tbl;
for (int32 j = 0; j < NUM_DIRENT_PER_TBL; j++)
*(page_directory_entry_scalar *)(&pd[j]) = DFL_DIRENT_VAL;
pd[j] = DFL_DIRENT_VAL;
}
return B_OK;
}
@@ -203,11 +202,11 @@ add_page_table(addr_t virtualAddress)
// thanks to transparent translation
index = VADDR_TO_PRENT(virtualAddress);
if (pr[index].type != DT_ROOT)
if (PRE_TYPE(pr[index]) != DT_ROOT)
panic("invalid page root entry %d\n", index);
#if 0
// not needed anymore
if (pr[index].type != DT_ROOT) {
if (PRE_TYPE(pr[index]) != DT_ROOT) {
unsigned aindex = index & ~(NUM_DIRTBL_PER_PAGE-1); /* aligned */
//TRACE(("missing page root entry %d ai %d\n", index, aindex));
tbl = mmu_get_next_page_tables();
@@ -231,7 +230,7 @@ add_page_table(addr_t virtualAddress)
pd = (page_directory_entry *)PRE_TO_TA(pr[index]);
index = VADDR_TO_PDENT(virtualAddress);
if (pd[index].type != DT_DIR) {
if (PDE_TYPE(pd[index]) != DT_DIR) {
unsigned aindex = index & ~(NUM_PAGETBL_PER_PAGE-1); /* aligned */
//TRACE(("missing page dir entry %d ai %d\n", index, aindex));
tbl = mmu_get_next_page_tables();
@@ -240,13 +239,12 @@ add_page_table(addr_t virtualAddress)
// for each pgdir on the allocated page:
for (i = 0; i < NUM_PAGETBL_PER_PAGE; i++) {
page_directory_entry *apd = &pd[aindex + i];
apd->addr = TA_TO_PDEA(tbl);
apd->type = DT_DIR;
pd[aindex + i] = DT_DIR | TA_TO_PDEA(tbl);
// clear the table
//TRACE(("clearing table[%d]\n", i));
pt = (page_table_entry *)tbl;
for (int32 j = 0; j < NUM_PAGEENT_PER_TBL; j++)
*(page_table_entry_scalar *)(&pt[j]) = DFL_PAGEENT_VAL;
pt[j] = DFL_PAGEENT_VAL;
tbl += SIZ_PAGETBL;
}
}
@@ -271,18 +269,18 @@ lookup_pte(addr_t virtualAddress)
uint32 rindex, dindex, pindex;
rindex = VADDR_TO_PRENT(virtualAddress);
if (pr[rindex].type != DT_ROOT)
if (PRE_TYPE(pr[rindex]) != DT_ROOT)
panic("lookup_pte: invalid entry pgrt[%d]", rindex);
pd = (page_directory_entry *)PRE_TO_TA(pr[rindex]);
dindex = VADDR_TO_PDENT(virtualAddress);
if (pd[dindex].type != DT_DIR)
if (PDE_TYPE(pd[dindex]) != DT_DIR)
panic("lookup_pte: invalid entry pgrt[%d] prdir[%d]", rindex, dindex);
pt = (page_table_entry *)PDE_TO_TA(pd[dindex]);
pindex = VADDR_TO_PTENT(virtualAddress);
#if 0 // of course, it's used in map_page!
if (pt[pindex].type != DT_PAGE)
if (PTE_TYPE(pt[pindex]) != DT_PAGE)
panic("lookup_pte: invalid entry pgrt[%d] prdir[%d] pgtbl[%d]",
rindex, dindex, pindex);
#endif
@@ -305,12 +303,11 @@ unmap_page(addr_t virtualAddress)
// unmap the page from the correct page table
pt = lookup_pte(virtualAddress);
if (pt->type != DT_PAGE)
if (PTE_TYPE(*pt) != DT_PAGE)
panic("unmap_page: asked to map non-existing page for %08x\n",
virtualAddress);
pt->addr = TA_TO_PTEA(0xdeadb00b);
pt->type = DT_INVALID;
*pt = DT_INVALID | TA_TO_PTEA(0xdeadb00b);
// flush ATC
asm volatile("pflush (%0)" : : "a" (virtualAddress));
@@ -332,7 +329,7 @@ map_page(addr_t virtualAddress, addr_t physicalAddress, uint32 flags)
pt = lookup_pte(virtualAddress);
if (pt->type != DT_INVALID)
if (PTE_TYPE(*pt) != DT_INVALID)
panic("map_page: asked to map existing page for %08x\n",
virtualAddress);
@@ -340,12 +337,12 @@ map_page(addr_t virtualAddress, addr_t physicalAddress, uint32 flags)
pt, physicalAddress));
pt->addr = TA_TO_PTEA(physicalAddress);
pt->supervisor = 1;
*pt = DT_PAGE
| TA_TO_PTEA(physicalAddress)
#ifdef MMU_HAS_GLOBAL_PAGES
pt->global = 1;
| M68K_PTE_GLOBAL
#endif
pt->type = DT_PAGE;
| M68K_PTE_SUPERVISOR;
// XXX: are flags needed ? ro ? global ?
// flush ATC