diff options
Diffstat (limited to 'xen/arch/x86/setup.c')
| -rw-r--r-- | xen/arch/x86/setup.c | 39 |
1 files changed, 3 insertions, 36 deletions
diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c index a4e470984f..92b90dc282 100644 --- a/xen/arch/x86/setup.c +++ b/xen/arch/x86/setup.c @@ -257,6 +257,9 @@ void __init cpu_init(void) panic("CPU#%d already initialized!!!\n", nr); printk("Initializing CPU#%d\n", nr); + t->bitmap = INVALID_IO_BITMAP_OFFSET; + memset(t->io_bitmap, ~0, sizeof(t->io_bitmap)); + /* Set up GDT and IDT. */ SET_GDT_ENTRIES(current, DEFAULT_GDT_ENTRIES); SET_GDT_ADDRESS(current, DEFAULT_GDT_ADDRESS); @@ -294,31 +297,6 @@ static void __init do_initcalls(void) (*call)(); } -/* - * IBM-compatible BIOSes place drive info tables at initial interrupt - * vectors 0x41 and 0x46. These are in the for of 16-bit-mode far ptrs. - */ -struct drive_info_struct { unsigned char dummy[32]; } drive_info; -void get_bios_driveinfo(void) -{ - unsigned long seg, off, tab1, tab2; - - off = (unsigned long)*(unsigned short *)(4*0x41+0); - seg = (unsigned long)*(unsigned short *)(4*0x41+2); - tab1 = (seg<<4) + off; - - off = (unsigned long)*(unsigned short *)(4*0x46+0); - seg = (unsigned long)*(unsigned short *)(4*0x46+2); - tab2 = (seg<<4) + off; - - printk("Reading BIOS drive-info tables at 0x%05lx and 0x%05lx\n", - tab1, tab2); - - memcpy(drive_info.dummy+ 0, (char *)tab1, 16); - memcpy(drive_info.dummy+16, (char *)tab2, 16); -} - - unsigned long pci_mem_start = 0x10000000; void __init start_of_day(void) @@ -326,8 +304,6 @@ void __init start_of_day(void) extern void trap_init(void); extern void init_IRQ(void); extern void time_init(void); - extern void timer_bh(void); - extern void init_timervecs(void); extern void ac_timer_init(void); extern void initialize_keytable(); extern void initialize_keyboard(void); @@ -348,12 +324,6 @@ void __init start_of_day(void) if ( opt_watchdog ) nmi_watchdog = NMI_LOCAL_APIC; - /* - * We do this early, but tables are in the lowest 1MB (usually - * 0xfe000-0xfffff). Therefore they're unlikely to ever get clobbered. - */ - get_bios_driveinfo(); - /* Tell the PCI layer not to allocate too close to the RAM area.. */ low_mem_size = ((max_page << PAGE_SHIFT) + 0xfffff) & ~0xfffff; if ( low_mem_size > pci_mem_start ) pci_mem_start = low_mem_size; @@ -380,14 +350,11 @@ void __init start_of_day(void) if ( smp_found_config ) get_smp_config(); #endif - domain_init(); scheduler_init(); trap_init(); init_IRQ(); /* installs simple interrupt wrappers. Starts HZ clock. */ time_init(); /* installs software handler for HZ clock. */ softirq_init(); - init_timervecs(); - init_bh(TIMER_BH, timer_bh); init_apic_mappings(); /* make APICs addressable in our pagetables. */ #ifndef CONFIG_SMP |