From 54592b96f7d673009c5efd7f3c559f9950d8bfd4 Mon Sep 17 00:00:00 2001 From: John Hodge Date: Sun, 4 Jul 2010 11:29:33 +0800 Subject: [PATCH] Disabled KPanic mode switch, cleanup in 64-bit PMM --- Kernel/arch/x86/kpanic.c | 2 +- Kernel/arch/x86_64/mm_phys.c | 48 ++++++++++++++++++------------------ 2 files changed, 25 insertions(+), 25 deletions(-) diff --git a/Kernel/arch/x86/kpanic.c b/Kernel/arch/x86/kpanic.c index 6454eca0..dc1a719b 100644 --- a/Kernel/arch/x86/kpanic.c +++ b/Kernel/arch/x86/kpanic.c @@ -65,7 +65,7 @@ void KernelPanic_SetMode(void) if( giKP_Pos ) return ; // Restore VGA 0xB8000 text mode - #if 1 + #if 0 for( i = 0; i < NUM_REGVALUES; i++ ) { // Reset Flip-Flop diff --git a/Kernel/arch/x86_64/mm_phys.c b/Kernel/arch/x86_64/mm_phys.c index a5f6f276..ac1fea44 100644 --- a/Kernel/arch/x86_64/mm_phys.c +++ b/Kernel/arch/x86_64/mm_phys.c @@ -228,14 +228,14 @@ void MM_InitPhys_Multiboot(tMBoot_Info *MBoot) size = ent->Size >> 12; if(base & 63) { - Uint64 val = -1L << (base & 63); + Uint64 val = -1LL << (base & 63); gaMainBitmap[base / 64] &= ~val; size -= (base & 63); base += 64 - (base & 63); } memset( &gaMainBitmap[base / 64], 0, size/8 ); if( size & 7 ) { - Uint64 val = -1L << (size & 7); + Uint64 val = -1LL << (size & 7); val <<= (size/8)&7; gaMainBitmap[base / 64] &= ~val; } @@ -246,7 +246,7 @@ void MM_InitPhys_Multiboot(tMBoot_Info *MBoot) size = (size + (base & 63) + 63) >> 6; base = base >> 6; if(base & 63) { - Uint64 val = -1L << (base & 63); + Uint64 val = -1LL << (base & 63); gaSuperBitmap[base / 64] &= ~val; size -= (base & 63); base += 64 - (base & 63); @@ -258,7 +258,7 @@ void MM_InitPhys_Multiboot(tMBoot_Info *MBoot) size = firstFreePage >> 12; memset( &gaMainBitmap[base / 64], -1, size/8 ); if( size & 7 ) { - Uint64 val = -1L << (size & 7); + Uint64 val = -1LL << (size & 7); val <<= (size/8)&7; gaMainBitmap[base / 64] |= val; } @@ -268,7 +268,7 @@ void MM_InitPhys_Multiboot(tMBoot_Info *MBoot) if(gaiStaticAllocPages[i] != 0) continue; gaMainBitmap[ gaiStaticAllocPages[i] >> (12+6) ] - &= ~(1L << ((gaiStaticAllocPages[i]>>12)&63)); + &= ~(1LL << ((gaiStaticAllocPages[i]>>12)&63)); } // Fill the super bitmap @@ -277,7 +277,7 @@ void MM_InitPhys_Multiboot(tMBoot_Info *MBoot) for( base = 0; base < (size+63)/64; base ++) { if( gaMainBitmap[ base ] + 1 == 0 ) - gaSuperBitmap[ base/64 ] |= 1L << (base&63); + gaSuperBitmap[ base/64 ] |= 1LL << (base&63); } // Set free page counts @@ -285,7 +285,7 @@ void MM_InitPhys_Multiboot(tMBoot_Info *MBoot) { int rangeID; // Skip allocated - if( gaMainBitmap[ base >> 6 ] & (1L << (base&63)) ) continue; + if( gaMainBitmap[ base >> 6 ] & (1LL << (base&63)) ) continue; // Get range ID rangeID = MM_int_GetRangeID( base << 12 ); @@ -323,7 +323,7 @@ tPAddr MM_AllocPhysRange(int Num, int Bits) if( Bits <= 0 || Bits >= 64 ) // Speedup for the common case rangeID = MM_PHYS_MAX; else - rangeID = MM_int_GetRangeID( (1L << Bits) - 1 ); + rangeID = MM_int_GetRangeID( (1LL << Bits) - 1 ); LOG("rangeID = %i", rangeID); @@ -367,20 +367,20 @@ tPAddr MM_AllocPhysRange(int Num, int Bits) if( gaSuperBitmap[addr >> (6+6)] + 1 == 0 ) { LOG("nFree = %i = 0 (super) (0x%x)", nFree, addr); nFree = 0; - addr += 1L << (6+6); - addr &= ~0xFFF; // (1L << 6+6) - 1 + addr += 1LL << (6+6); + addr &= ~0xFFF; // (1LL << 6+6) - 1 continue; } // Check page block (64 pages) if( gaMainBitmap[addr >> 6] + 1 == 0) { LOG("nFree = %i = 0 (main) (0x%x)", nFree, addr); nFree = 0; - addr += 1L << (6); + addr += 1LL << (6); addr &= ~0x3F; continue; } // Check individual page - if( gaMainBitmap[addr >> 6] & (1L << (addr & 63)) ) { + if( gaMainBitmap[addr >> 6] & (1LL << (addr & 63)) ) { LOG("nFree = %i = 0 (page) (0x%x)", nFree, addr); nFree = 0; addr ++; @@ -422,7 +422,7 @@ tPAddr MM_AllocPhysRange(int Num, int Bits) addr -= Num; for( i = 0; i < Num; i++, addr++ ) { - gaMainBitmap[addr >> 6] |= 1L << (addr & 63); + gaMainBitmap[addr >> 6] |= 1LL << (addr & 63); rangeID = MM_int_GetRangeID(addr << 12); giPhysRangeFree[ rangeID ] --; LOG("%x == %x", addr, giPhysRangeFirst[ rangeID ]); @@ -438,7 +438,7 @@ tPAddr MM_AllocPhysRange(int Num, int Bits) for( i = 0; i < Num/64; i++ ) { if( gaMainBitmap[ addr >> 6 ] + 1 == 0 ) - gaSuperBitmap[addr>>12] |= 1L << ((addr >> 6) & 63); + gaSuperBitmap[addr>>12] |= 1LL << ((addr >> 6) & 63); } RELEASE(&glPhysicalPages); @@ -476,18 +476,18 @@ void MM_RefPhys(tPAddr PAddr) if( PAddr >> 12 > giMaxPhysPage ) return ; - if( gaMainBitmap[ page >> 6 ] & (1L << (page&63)) ) + if( gaMainBitmap[ page >> 6 ] & (1LL << (page&63)) ) { // Reference again - gaMultiBitmap[ page >> 6 ] |= 1L << (page&63); + gaMultiBitmap[ page >> 6 ] |= 1LL << (page&63); gaiPageReferences[ page ] ++; } else { // Allocate - gaMainBitmap[page >> 6] |= 1L << (page&63); + gaMainBitmap[page >> 6] |= 1LL << (page&63); if( gaMainBitmap[page >> 6 ] + 1 == 0 ) - gaSuperBitmap[page>> 12] |= 1L << ((page >> 6) & 63); + gaSuperBitmap[page>> 12] |= 1LL << ((page >> 6) & 63); } } @@ -500,18 +500,18 @@ void MM_DerefPhys(tPAddr PAddr) if( PAddr >> 12 > giMaxPhysPage ) return ; - if( gaMultiBitmap[ page >> 6 ] & (1L << (page&63)) ) { + if( gaMultiBitmap[ page >> 6 ] & (1LL << (page&63)) ) { gaiPageReferences[ page ] --; if( gaiPageReferences[ page ] == 1 ) - gaMultiBitmap[ page >> 6 ] &= ~(1L << (page&63)); + gaMultiBitmap[ page >> 6 ] &= ~(1LL << (page&63)); if( gaiPageReferences[ page ] == 0 ) - gaMainBitmap[ page >> 6 ] &= ~(1L << (page&63)); + gaMainBitmap[ page >> 6 ] &= ~(1LL << (page&63)); } else - gaMainBitmap[ page >> 6 ] &= ~(1L << (page&63)); + gaMainBitmap[ page >> 6 ] &= ~(1LL << (page&63)); // Update the free counts if the page was freed - if( !(gaMainBitmap[ page >> 6 ] & (1L << (page&63))) ) + if( !(gaMainBitmap[ page >> 6 ] & (1LL << (page&63))) ) { int rangeID; rangeID = MM_int_GetRangeID( PAddr ); @@ -524,7 +524,7 @@ void MM_DerefPhys(tPAddr PAddr) // If the bitmap entry is not -1, unset the bit in the super bitmap if(gaMainBitmap[ page >> 6 ] + 1 != 0 ) { - gaSuperBitmap[page >> 12] &= ~(1L << ((page >> 6) & 63)); + gaSuperBitmap[page >> 12] &= ~(1LL << ((page >> 6) & 63)); } } -- 2.20.1