diff options
Diffstat (limited to 'arch/ia64/kernel')
-rw-r--r-- | arch/ia64/kernel/acpi.c | 28 | ||||
-rw-r--r-- | arch/ia64/kernel/cyclone.c | 14 | ||||
-rw-r--r-- | arch/ia64/kernel/head.S | 4 | ||||
-rw-r--r-- | arch/ia64/kernel/init_task.c | 1 | ||||
-rw-r--r-- | arch/ia64/kernel/irq_ia64.c | 31 | ||||
-rw-r--r-- | arch/ia64/kernel/machvec.c | 27 | ||||
-rw-r--r-- | arch/ia64/kernel/perfmon.c | 4 | ||||
-rw-r--r-- | arch/ia64/kernel/process.c | 7 | ||||
-rw-r--r-- | arch/ia64/kernel/setup.c | 11 | ||||
-rw-r--r-- | arch/ia64/kernel/smp.c | 2 | ||||
-rw-r--r-- | arch/ia64/kernel/smpboot.c | 6 | ||||
-rw-r--r-- | arch/ia64/kernel/time.c | 4 | ||||
-rw-r--r-- | arch/ia64/kernel/vmlinux.lds.S | 2 |
13 files changed, 90 insertions, 51 deletions
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index 103dd8edda7..3d45d24a9d6 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -67,6 +67,8 @@ EXPORT_SYMBOL(pm_power_off); unsigned int acpi_cpei_override; unsigned int acpi_cpei_phys_cpuid; +unsigned long acpi_wakeup_address = 0; + const char __init * acpi_get_sysname(void) { @@ -739,16 +741,15 @@ int __init acpi_boot_init(void) int acpi_gsi_to_irq(u32 gsi, unsigned int *irq) { - int vector; + int tmp; if (has_8259 && gsi < 16) *irq = isa_irq_to_vector(gsi); else { - vector = gsi_to_vector(gsi); - if (vector == -1) + tmp = gsi_to_irq(gsi); + if (tmp == -1) return -1; - - *irq = vector; + *irq = tmp; } return 0; } @@ -986,4 +987,21 @@ int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base) EXPORT_SYMBOL(acpi_unregister_ioapic); +/* + * acpi_save_state_mem() - save kernel state + * + * TBD when when IA64 starts to support suspend... + */ +int acpi_save_state_mem(void) { return 0; } + +/* + * acpi_restore_state() + */ +void acpi_restore_state_mem(void) {} + +/* + * do_suspend_lowlevel() + */ +void do_suspend_lowlevel(void) {} + #endif /* CONFIG_ACPI */ diff --git a/arch/ia64/kernel/cyclone.c b/arch/ia64/kernel/cyclone.c index 2fd96d9062a..790ef0d87e1 100644 --- a/arch/ia64/kernel/cyclone.c +++ b/arch/ia64/kernel/cyclone.c @@ -38,11 +38,11 @@ static struct clocksource clocksource_cyclone = { int __init init_cyclone_clock(void) { - u64* reg; + u64 __iomem *reg; u64 base; /* saved cyclone base address */ u64 offset; /* offset from pageaddr to cyclone_timer register */ int i; - u32* volatile cyclone_timer; /* Cyclone MPMC0 register */ + u32 __iomem *cyclone_timer; /* Cyclone MPMC0 register */ if (!use_cyclone) return 0; @@ -51,7 +51,7 @@ int __init init_cyclone_clock(void) /* find base address */ offset = (CYCLONE_CBAR_ADDR); - reg = (u64*)ioremap_nocache(offset, sizeof(u64)); + reg = ioremap_nocache(offset, sizeof(u64)); if(!reg){ printk(KERN_ERR "Summit chipset: Could not find valid CBAR" " register.\n"); @@ -69,7 +69,7 @@ int __init init_cyclone_clock(void) /* setup PMCC */ offset = (base + CYCLONE_PMCC_OFFSET); - reg = (u64*)ioremap_nocache(offset, sizeof(u64)); + reg = ioremap_nocache(offset, sizeof(u64)); if(!reg){ printk(KERN_ERR "Summit chipset: Could not find valid PMCC" " register.\n"); @@ -81,7 +81,7 @@ int __init init_cyclone_clock(void) /* setup MPCS */ offset = (base + CYCLONE_MPCS_OFFSET); - reg = (u64*)ioremap_nocache(offset, sizeof(u64)); + reg = ioremap_nocache(offset, sizeof(u64)); if(!reg){ printk(KERN_ERR "Summit chipset: Could not find valid MPCS" " register.\n"); @@ -93,7 +93,7 @@ int __init init_cyclone_clock(void) /* map in cyclone_timer */ offset = (base + CYCLONE_MPMC_OFFSET); - cyclone_timer = (u32*)ioremap_nocache(offset, sizeof(u32)); + cyclone_timer = ioremap_nocache(offset, sizeof(u32)); if(!cyclone_timer){ printk(KERN_ERR "Summit chipset: Could not find valid MPMC" " register.\n"); @@ -110,7 +110,7 @@ int __init init_cyclone_clock(void) printk(KERN_ERR "Summit chipset: Counter not counting!" " DISABLED\n"); iounmap(cyclone_timer); - cyclone_timer = 0; + cyclone_timer = NULL; use_cyclone = 0; return -ENODEV; } diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S index 44d540efa6d..4e5e27540e2 100644 --- a/arch/ia64/kernel/head.S +++ b/arch/ia64/kernel/head.S @@ -178,7 +178,7 @@ swapper_pg_dir: halt_msg: stringz "Halting kernel\n" - .text + .section .text.head,"ax" .global start_ap @@ -392,6 +392,8 @@ self: hint @pause br.sptk.many self // endless loop END(_start) + .text + GLOBAL_ENTRY(ia64_save_debug_regs) alloc r16=ar.pfs,1,0,0,0 mov r20=ar.lc // preserve ar.lc diff --git a/arch/ia64/kernel/init_task.c b/arch/ia64/kernel/init_task.c index b69c397ed1b..bc8efcad28b 100644 --- a/arch/ia64/kernel/init_task.c +++ b/arch/ia64/kernel/init_task.c @@ -8,6 +8,7 @@ #include <linux/init.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/module.h> #include <linux/sched.h> #include <linux/init_task.h> diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c index 91797c11116..9386b955eed 100644 --- a/arch/ia64/kernel/irq_ia64.c +++ b/arch/ia64/kernel/irq_ia64.c @@ -85,8 +85,8 @@ DEFINE_PER_CPU(int[IA64_NUM_VECTORS], vector_irq) = { [0 ... IA64_NUM_VECTORS - 1] = IA64_SPURIOUS_INT_VECTOR }; -static cpumask_t vector_table[IA64_MAX_DEVICE_VECTORS] = { - [0 ... IA64_MAX_DEVICE_VECTORS - 1] = CPU_MASK_NONE +static cpumask_t vector_table[IA64_NUM_VECTORS] = { + [0 ... IA64_NUM_VECTORS - 1] = CPU_MASK_NONE }; static int irq_status[NR_IRQS] = { @@ -123,17 +123,18 @@ static inline int find_unassigned_irq(void) static inline int find_unassigned_vector(cpumask_t domain) { cpumask_t mask; - int pos; + int pos, vector; cpus_and(mask, domain, cpu_online_map); if (cpus_empty(mask)) return -EINVAL; for (pos = 0; pos < IA64_NUM_DEVICE_VECTORS; pos++) { - cpus_and(mask, domain, vector_table[pos]); + vector = IA64_FIRST_DEVICE_VECTOR + pos; + cpus_and(mask, domain, vector_table[vector]); if (!cpus_empty(mask)) continue; - return IA64_FIRST_DEVICE_VECTOR + pos; + return vector; } return -ENOSPC; } @@ -141,9 +142,12 @@ static inline int find_unassigned_vector(cpumask_t domain) static int __bind_irq_vector(int irq, int vector, cpumask_t domain) { cpumask_t mask; - int cpu, pos; + int cpu; struct irq_cfg *cfg = &irq_cfg[irq]; + BUG_ON((unsigned)irq >= NR_IRQS); + BUG_ON((unsigned)vector >= IA64_NUM_VECTORS); + cpus_and(mask, domain, cpu_online_map); if (cpus_empty(mask)) return -EINVAL; @@ -156,8 +160,7 @@ static int __bind_irq_vector(int irq, int vector, cpumask_t domain) cfg->vector = vector; cfg->domain = domain; irq_status[irq] = IRQ_USED; - pos = vector - IA64_FIRST_DEVICE_VECTOR; - cpus_or(vector_table[pos], vector_table[pos], domain); + cpus_or(vector_table[vector], vector_table[vector], domain); return 0; } @@ -174,7 +177,7 @@ int bind_irq_vector(int irq, int vector, cpumask_t domain) static void __clear_irq_vector(int irq) { - int vector, cpu, pos; + int vector, cpu; cpumask_t mask; cpumask_t domain; struct irq_cfg *cfg = &irq_cfg[irq]; @@ -189,8 +192,7 @@ static void __clear_irq_vector(int irq) cfg->vector = IRQ_VECTOR_UNASSIGNED; cfg->domain = CPU_MASK_NONE; irq_status[irq] = IRQ_UNUSED; - pos = vector - IA64_FIRST_DEVICE_VECTOR; - cpus_andnot(vector_table[pos], vector_table[pos], domain); + cpus_andnot(vector_table[vector], vector_table[vector], domain); } static void clear_irq_vector(int irq) @@ -212,9 +214,6 @@ assign_irq_vector (int irq) vector = -ENOSPC; spin_lock_irqsave(&vector_lock, flags); - if (irq < 0) { - goto out; - } for_each_online_cpu(cpu) { domain = vector_allocation_domain(cpu); vector = find_unassigned_vector(domain); @@ -223,6 +222,8 @@ assign_irq_vector (int irq) } if (vector < 0) goto out; + if (irq == AUTO_ASSIGN) + irq = vector; BUG_ON(__bind_irq_vector(irq, vector, domain)); out: spin_unlock_irqrestore(&vector_lock, flags); @@ -288,7 +289,7 @@ static int __init parse_vector_domain(char *arg) vector_domain_type = VECTOR_DOMAIN_PERCPU; no_int_routing = 1; } - return 1; + return 0; } early_param("vector", parse_vector_domain); #else diff --git a/arch/ia64/kernel/machvec.c b/arch/ia64/kernel/machvec.c index 13df337508e..7ccb228ceed 100644 --- a/arch/ia64/kernel/machvec.c +++ b/arch/ia64/kernel/machvec.c @@ -13,14 +13,6 @@ struct ia64_machine_vector ia64_mv; EXPORT_SYMBOL(ia64_mv); -static __initdata const char *mvec_name; -static __init int setup_mvec(char *s) -{ - mvec_name = s; - return 0; -} -early_param("machvec", setup_mvec); - static struct ia64_machine_vector * __init lookup_machvec (const char *name) { @@ -41,7 +33,7 @@ machvec_init (const char *name) struct ia64_machine_vector *mv; if (!name) - name = mvec_name ? mvec_name : acpi_get_sysname(); + name = acpi_get_sysname(); mv = lookup_machvec(name); if (!mv) panic("generic kernel failed to find machine vector for" @@ -51,6 +43,23 @@ machvec_init (const char *name) printk(KERN_INFO "booting generic kernel on platform %s\n", name); } +void __init +machvec_init_from_cmdline(const char *cmdline) +{ + char str[64]; + const char *start; + char *end; + + if (! (start = strstr(cmdline, "machvec=")) ) + return machvec_init(NULL); + + strlcpy(str, start + strlen("machvec="), sizeof(str)); + if ( (end = strchr(str, ' ')) ) + *end = '\0'; + + return machvec_init(str); +} + #endif /* CONFIG_IA64_GENERIC */ void diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index b7133cabdbe..14b8e5a6222 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -591,13 +591,13 @@ pfm_set_task_notify(struct task_struct *task) struct thread_info *info; info = (struct thread_info *) ((char *) task + IA64_TASK_SIZE); - set_bit(TIF_NOTIFY_RESUME, &info->flags); + set_bit(TIF_PERFMON_WORK, &info->flags); } static inline void pfm_clear_task_notify(void) { - clear_thread_flag(TIF_NOTIFY_RESUME); + clear_thread_flag(TIF_PERFMON_WORK); } static inline void diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index fa40cba4335..4158906c45a 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -499,7 +499,8 @@ copy_thread (int nr, unsigned long clone_flags, /* Copy partially mapped page list */ if (!retval) - retval = ia32_copy_partial_page_list(p, clone_flags); + retval = ia32_copy_ia64_partial_page_list(p, + clone_flags); } #endif @@ -728,7 +729,7 @@ flush_thread (void) ia64_drop_fpu(current); #ifdef CONFIG_IA32_SUPPORT if (IS_IA32_PROCESS(task_pt_regs(current))) { - ia32_drop_partial_page_list(current); + ia32_drop_ia64_partial_page_list(current); current->thread.task_size = IA32_PAGE_OFFSET; set_fs(USER_DS); } @@ -754,7 +755,7 @@ exit_thread (void) pfm_release_debug_registers(current); #endif if (IS_IA32_PROCESS(task_pt_regs(current))) - ia32_drop_partial_page_list(current); + ia32_drop_ia64_partial_page_list(current); } unsigned long diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index cf06fe79904..7cecd296420 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -491,12 +491,17 @@ setup_arch (char **cmdline_p) efi_init(); io_port_init(); - parse_early_param(); - #ifdef CONFIG_IA64_GENERIC - machvec_init(NULL); + /* machvec needs to be parsed from the command line + * before parse_early_param() is called to ensure + * that ia64_mv is initialised before any command line + * settings may cause console setup to occur + */ + machvec_init_from_cmdline(*cmdline_p); #endif + parse_early_param(); + if (early_console_setup(*cmdline_p) == 0) mark_bsp_online(); diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c index 9f72838db26..0982882bfb8 100644 --- a/arch/ia64/kernel/smp.c +++ b/arch/ia64/kernel/smp.c @@ -468,7 +468,7 @@ smp_send_stop (void) send_IPI_allbutself(IPI_CPU_STOP); } -int __init +int setup_profiling_timer (unsigned int multiplier) { return -EINVAL; diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index 9f5c90b594b..62209dcf06d 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -487,7 +487,7 @@ struct create_idle { int cpu; }; -void +void __cpuinit do_fork_idle(struct work_struct *work) { struct create_idle *c_idle = @@ -497,7 +497,7 @@ do_fork_idle(struct work_struct *work) complete(&c_idle->done); } -static int __devinit +static int __cpuinit do_boot_cpu (int sapicid, int cpu) { int timeout; @@ -808,7 +808,7 @@ set_cpu_sibling_map(int cpu) } } -int __devinit +int __cpuinit __cpu_up (unsigned int cpu) { int ret; diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 627785c48ea..6c0e9e2e1b8 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -52,7 +52,7 @@ static struct clocksource clocksource_itc = { .name = "itc", .rating = 350, .read = itc_get_cycles, - .mask = 0xffffffffffffffff, + .mask = CLOCKSOURCE_MASK(64), .mult = 0, /*to be caluclated*/ .shift = 16, .flags = CLOCK_SOURCE_IS_CONTINUOUS, @@ -255,7 +255,7 @@ ia64_init_itm (void) } } -static cycle_t itc_get_cycles() +static cycle_t itc_get_cycles(void) { u64 lcycle, now, ret; diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S index 860f251d2fc..83e80677de7 100644 --- a/arch/ia64/kernel/vmlinux.lds.S +++ b/arch/ia64/kernel/vmlinux.lds.S @@ -50,6 +50,8 @@ SECTIONS KPROBES_TEXT *(.gnu.linkonce.t*) } + .text.head : AT(ADDR(.text.head) - LOAD_OFFSET) + { *(.text.head) } .text2 : AT(ADDR(.text2) - LOAD_OFFSET) { *(.text2) } #ifdef CONFIG_SMP |