diff options
Diffstat (limited to 'arch/parisc/kernel/head.S')
| -rw-r--r-- | arch/parisc/kernel/head.S | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S index 0b47afc2069..3e79e62f7b0 100644 --- a/arch/parisc/kernel/head.S +++ b/arch/parisc/kernel/head.S @@ -76,16 +76,16 @@ $bss_loop: mtctl %r4,%cr24 /* Initialize kernel root pointer */ mtctl %r4,%cr25 /* Initialize user root pointer */ -#ifdef CONFIG_64BIT +#if PT_NLEVELS == 3 /* Set pmd in pgd */ load32 PA(pmd0),%r5 shrd %r5,PxD_VALUE_SHIFT,%r3 - ldo (PxD_FLAG_PRESENT+PxD_FLAG_VALID)(%r3),%r3 + ldo (PxD_FLAG_PRESENT+PxD_FLAG_VALID)(%r3),%r3 stw %r3,ASM_PGD_ENTRY*ASM_PGD_ENTRY_SIZE(%r4) ldo ASM_PMD_ENTRY*ASM_PMD_ENTRY_SIZE(%r5),%r4 #else /* 2-level page table, so pmd == pgd */ - ldo ASM_PGD_ENTRY*ASM_PGD_ENTRY_SIZE(%r4),%r4 + ldo ASM_PGD_ENTRY*ASM_PGD_ENTRY_SIZE(%r4),%r4 #endif /* Fill in pmd with enough pte directories */ @@ -99,7 +99,7 @@ $bss_loop: stw %r3,0(%r4) ldo (ASM_PAGE_SIZE >> PxD_VALUE_SHIFT)(%r3),%r3 addib,> -1,%r1,1b -#ifdef CONFIG_64BIT +#if PT_NLEVELS == 3 ldo ASM_PMD_ENTRY_SIZE(%r4),%r4 #else ldo ASM_PGD_ENTRY_SIZE(%r4),%r4 @@ -107,13 +107,14 @@ $bss_loop: /* Now initialize the PTEs themselves */ - ldo _PAGE_KERNEL(%r0),%r3 /* Hardwired 0 phys addr start */ + ldo 0+_PAGE_KERNEL(%r0),%r3 /* Hardwired 0 phys addr start */ + ldi (1<<(KERNEL_INITIAL_ORDER-PAGE_SHIFT)),%r11 /* PFN count */ load32 PA(pg0),%r1 $pgt_fill_loop: STREGM %r3,ASM_PTE_ENTRY_SIZE(%r1) - ldo ASM_PAGE_SIZE(%r3),%r3 - bb,>= %r3,31-KERNEL_INITIAL_ORDER,$pgt_fill_loop + ldo (1<<PFN_PTE_SHIFT)(%r3),%r3 /* add one PFN */ + addib,> -1,%r11,$pgt_fill_loop nop /* Load the return address...er...crash 'n burn */ |