Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6: (27 commits) parisc: use generic atomic64 on 32-bit parisc: superio: fix build breakage parisc: Fix PCI resource allocation on non-PAT SBA machines parisc: perf: wire up sys_perf_counter_open parisc: add task_pt_regs macro parisc: wire sys_perf_counter_open to sys_ni_syscall parisc: inventory.c, fix bloated stack frame parisc: processor.c, fix bloated stack frame parisc: fix compile warning in mm/init.c parisc: remove dead code from sys_parisc32.c parisc: wire up rt_tgsigqueueinfo parisc: ensure broadcast tlb purge runs single threaded parisc: fix "delay!" timer handling parisc: fix mismatched parenthesis in memcpy.c parisc: Fix gcc 4.4 warning in lba_pci.c parisc: add parameter to read_cr16() parisc: decode_exc.c should include kernel.h parisc: remove obsolete hw_interrupt_type parisc: fix irq compile bugs in arch/parisc/kernel/irq.c parisc: advertise PCI devs after "assign_resources" ... Manually fixed up trivial conflicts in tools/perf/perf.h due to addition of SH vs HPPA perf-counter support.hifive-unleashed-5.1
Linus Torvalds
commit
de481ba925
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@ -16,6 +16,8 @@ config PARISC
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select RTC_DRV_GENERIC
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select INIT_ALL_POSSIBLE
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select BUG
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select HAVE_PERF_COUNTERS
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select GENERIC_ATOMIC64 if !64BIT
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help
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The PA-RISC microprocessor is designed by Hewlett-Packard and used
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in many of their workstations & servers (HP9000 700 and 800 series,
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@ -222,13 +222,13 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
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#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
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#define atomic_add(i,v) ((void)(__atomic_add_return( ((int)(i)),(v))))
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#define atomic_sub(i,v) ((void)(__atomic_add_return(-((int)(i)),(v))))
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#define atomic_add(i,v) ((void)(__atomic_add_return( (i),(v))))
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#define atomic_sub(i,v) ((void)(__atomic_add_return(-(i),(v))))
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#define atomic_inc(v) ((void)(__atomic_add_return( 1,(v))))
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#define atomic_dec(v) ((void)(__atomic_add_return( -1,(v))))
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#define atomic_add_return(i,v) (__atomic_add_return( ((int)(i)),(v)))
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#define atomic_sub_return(i,v) (__atomic_add_return(-((int)(i)),(v)))
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#define atomic_add_return(i,v) (__atomic_add_return( (i),(v)))
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#define atomic_sub_return(i,v) (__atomic_add_return(-(i),(v)))
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#define atomic_inc_return(v) (__atomic_add_return( 1,(v)))
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#define atomic_dec_return(v) (__atomic_add_return( -1,(v)))
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@ -336,7 +336,11 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
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#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
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#endif /* CONFIG_64BIT */
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#else /* CONFIG_64BIT */
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#include <asm-generic/atomic64.h>
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#endif /* !CONFIG_64BIT */
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#include <asm-generic/atomic-long.h>
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@ -1,5 +1,4 @@
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/* $Id: dma.h,v 1.2 1999/04/27 00:46:18 deller Exp $
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* linux/include/asm/dma.h: Defines for using and allocating dma channels.
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/* asm/dma.h: Defines for using and allocating dma channels.
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* Written by Hennus Bergman, 1992.
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* High DMA channel support & info by Hannu Savolainen
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* and John Boyd, Nov. 1992.
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@ -0,0 +1,7 @@
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#ifndef __ASM_PARISC_PERF_COUNTER_H
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#define __ASM_PARISC_PERF_COUNTER_H
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/* parisc only supports software counters through this interface. */
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static inline void set_perf_counter_pending(void) { }
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#endif /* __ASM_PARISC_PERF_COUNTER_H */
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@ -18,6 +18,7 @@
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#include <asm/types.h>
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#include <asm/system.h>
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#include <asm/percpu.h>
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#endif /* __ASSEMBLY__ */
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#define KERNEL_STACK_SIZE (4*PAGE_SIZE)
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@ -127,6 +128,8 @@ struct thread_struct {
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unsigned long flags;
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};
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#define task_pt_regs(tsk) ((struct pt_regs *)&((tsk)->thread.regs))
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/* Thread struct flags. */
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#define PARISC_UAC_NOPRINT (1UL << 0) /* see prctl and unaligned.c */
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#define PARISC_UAC_SIGBUS (1UL << 1)
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@ -168,8 +168,8 @@ static inline void set_eiem(unsigned long val)
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/* LDCW, the only atomic read-write operation PA-RISC has. *sigh*. */
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#define __ldcw(a) ({ \
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unsigned __ret; \
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__asm__ __volatile__(__LDCW " 0(%1),%0" \
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: "=r" (__ret) : "r" (a)); \
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__asm__ __volatile__(__LDCW " 0(%2),%0" \
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: "=r" (__ret), "+m" (*(a)) : "r" (a)); \
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__ret; \
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})
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@ -12,14 +12,12 @@
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* N class systems, only one PxTLB inter processor broadcast can be
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* active at any one time on the Merced bus. This tlb purge
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* synchronisation is fairly lightweight and harmless so we activate
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* it on all SMP systems not just the N class. We also need to have
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* preemption disabled on uniprocessor machines, and spin_lock does that
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* nicely.
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* it on all systems not just the N class.
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*/
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extern spinlock_t pa_tlb_lock;
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#define purge_tlb_start(x) spin_lock(&pa_tlb_lock)
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#define purge_tlb_end(x) spin_unlock(&pa_tlb_lock)
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#define purge_tlb_start(flags) spin_lock_irqsave(&pa_tlb_lock, flags)
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#define purge_tlb_end(flags) spin_unlock_irqrestore(&pa_tlb_lock, flags)
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extern void flush_tlb_all(void);
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extern void flush_tlb_all_local(void *);
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@ -63,14 +61,16 @@ static inline void flush_tlb_mm(struct mm_struct *mm)
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static inline void flush_tlb_page(struct vm_area_struct *vma,
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unsigned long addr)
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{
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unsigned long flags;
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/* For one page, it's not worth testing the split_tlb variable */
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mb();
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mtsp(vma->vm_mm->context,1);
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purge_tlb_start();
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purge_tlb_start(flags);
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pdtlb(addr);
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pitlb(addr);
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purge_tlb_end();
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purge_tlb_end(flags);
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}
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void __flush_tlb_range(unsigned long sid,
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@ -807,8 +807,12 @@
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#define __NR_dup3 (__NR_Linux + 312)
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#define __NR_pipe2 (__NR_Linux + 313)
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#define __NR_inotify_init1 (__NR_Linux + 314)
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#define __NR_preadv (__NR_Linux + 315)
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#define __NR_pwritev (__NR_Linux + 316)
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#define __NR_rt_tgsigqueueinfo (__NR_Linux + 317)
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#define __NR_perf_counter_open (__NR_Linux + 318)
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#define __NR_Linux_syscalls (__NR_inotify_init1 + 1)
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#define __NR_Linux_syscalls (__NR_perf_counter_open + 1)
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#define __IGNORE_select /* newselect */
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@ -1,5 +1,4 @@
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/* $Id: cache.c,v 1.4 2000/01/25 00:11:38 prumpf Exp $
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*
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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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@ -398,12 +397,13 @@ EXPORT_SYMBOL(flush_kernel_icache_range_asm);
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void clear_user_page_asm(void *page, unsigned long vaddr)
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{
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unsigned long flags;
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/* This function is implemented in assembly in pacache.S */
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extern void __clear_user_page_asm(void *page, unsigned long vaddr);
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purge_tlb_start();
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purge_tlb_start(flags);
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__clear_user_page_asm(page, vaddr);
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purge_tlb_end();
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purge_tlb_end(flags);
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}
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#define FLUSH_THRESHOLD 0x80000 /* 0.5MB */
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@ -444,20 +444,24 @@ extern void clear_user_page_asm(void *page, unsigned long vaddr);
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void clear_user_page(void *page, unsigned long vaddr, struct page *pg)
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{
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unsigned long flags;
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purge_kernel_dcache_page((unsigned long)page);
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purge_tlb_start();
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purge_tlb_start(flags);
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pdtlb_kernel(page);
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purge_tlb_end();
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purge_tlb_end(flags);
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clear_user_page_asm(page, vaddr);
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}
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EXPORT_SYMBOL(clear_user_page);
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void flush_kernel_dcache_page_addr(void *addr)
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{
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unsigned long flags;
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flush_kernel_dcache_page_asm(addr);
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purge_tlb_start();
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purge_tlb_start(flags);
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pdtlb_kernel(addr);
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purge_tlb_end();
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purge_tlb_end(flags);
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}
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EXPORT_SYMBOL(flush_kernel_dcache_page_addr);
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@ -490,8 +494,10 @@ void __flush_tlb_range(unsigned long sid, unsigned long start,
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if (npages >= 512) /* 2MB of space: arbitrary, should be tuned */
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flush_tlb_all();
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else {
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unsigned long flags;
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mtsp(sid, 1);
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purge_tlb_start();
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purge_tlb_start(flags);
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if (split_tlb) {
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while (npages--) {
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pdtlb(start);
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@ -504,7 +510,7 @@ void __flush_tlb_range(unsigned long sid, unsigned long start,
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start += PAGE_SIZE;
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}
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}
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purge_tlb_end();
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purge_tlb_end(flags);
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}
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}
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@ -170,23 +170,27 @@ static void __init pagezero_memconfig(void)
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static int __init
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pat_query_module(ulong pcell_loc, ulong mod_index)
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{
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pdc_pat_cell_mod_maddr_block_t pa_pdc_cell;
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pdc_pat_cell_mod_maddr_block_t *pa_pdc_cell;
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unsigned long bytecnt;
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unsigned long temp; /* 64-bit scratch value */
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long status; /* PDC return value status */
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struct parisc_device *dev;
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pa_pdc_cell = kmalloc(sizeof (*pa_pdc_cell), GFP_KERNEL);
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if (!pa_pdc_cell)
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panic("couldn't allocate memory for PDC_PAT_CELL!");
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/* return cell module (PA or Processor view) */
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status = pdc_pat_cell_module(&bytecnt, pcell_loc, mod_index,
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PA_VIEW, &pa_pdc_cell);
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PA_VIEW, pa_pdc_cell);
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if (status != PDC_OK) {
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/* no more cell modules or error */
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return status;
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}
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temp = pa_pdc_cell.cba;
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dev = alloc_pa_dev(PAT_GET_CBA(temp), &pa_pdc_cell.mod_path);
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temp = pa_pdc_cell->cba;
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dev = alloc_pa_dev(PAT_GET_CBA(temp), &(pa_pdc_cell->mod_path));
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if (!dev) {
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return PDC_OK;
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}
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@ -203,8 +207,8 @@ pat_query_module(ulong pcell_loc, ulong mod_index)
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/* save generic info returned from the call */
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/* REVISIT: who is the consumer of this? not sure yet... */
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dev->mod_info = pa_pdc_cell.mod_info; /* pass to PAT_GET_ENTITY() */
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dev->pmod_loc = pa_pdc_cell.mod_location;
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dev->mod_info = pa_pdc_cell->mod_info; /* pass to PAT_GET_ENTITY() */
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dev->pmod_loc = pa_pdc_cell->mod_location;
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register_parisc_device(dev); /* advertise device */
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@ -216,14 +220,14 @@ pat_query_module(ulong pcell_loc, ulong mod_index)
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case PAT_ENTITY_PROC:
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printk(KERN_DEBUG "PAT_ENTITY_PROC: id_eid 0x%lx\n",
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pa_pdc_cell.mod[0]);
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pa_pdc_cell->mod[0]);
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break;
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case PAT_ENTITY_MEM:
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printk(KERN_DEBUG
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"PAT_ENTITY_MEM: amount 0x%lx min_gni_base 0x%lx min_gni_len 0x%lx\n",
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pa_pdc_cell.mod[0], pa_pdc_cell.mod[1],
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pa_pdc_cell.mod[2]);
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pa_pdc_cell->mod[0], pa_pdc_cell->mod[1],
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pa_pdc_cell->mod[2]);
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break;
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case PAT_ENTITY_CA:
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printk(KERN_DEBUG "PAT_ENTITY_CA: %ld\n", pcell_loc);
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|
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@ -243,23 +247,26 @@ pat_query_module(ulong pcell_loc, ulong mod_index)
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print_ranges:
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pdc_pat_cell_module(&bytecnt, pcell_loc, mod_index,
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IO_VIEW, &io_pdc_cell);
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printk(KERN_DEBUG "ranges %ld\n", pa_pdc_cell.mod[1]);
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for (i = 0; i < pa_pdc_cell.mod[1]; i++) {
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printk(KERN_DEBUG "ranges %ld\n", pa_pdc_cell->mod[1]);
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for (i = 0; i < pa_pdc_cell->mod[1]; i++) {
|
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printk(KERN_DEBUG
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" PA_VIEW %ld: 0x%016lx 0x%016lx 0x%016lx\n",
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i, pa_pdc_cell.mod[2 + i * 3], /* type */
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pa_pdc_cell.mod[3 + i * 3], /* start */
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pa_pdc_cell.mod[4 + i * 3]); /* finish (ie end) */
|
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i, pa_pdc_cell->mod[2 + i * 3], /* type */
|
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pa_pdc_cell->mod[3 + i * 3], /* start */
|
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pa_pdc_cell->mod[4 + i * 3]); /* finish (ie end) */
|
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printk(KERN_DEBUG
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" IO_VIEW %ld: 0x%016lx 0x%016lx 0x%016lx\n",
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i, io_pdc_cell.mod[2 + i * 3], /* type */
|
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io_pdc_cell.mod[3 + i * 3], /* start */
|
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io_pdc_cell.mod[4 + i * 3]); /* finish (ie end) */
|
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i, io_pdc_cell->mod[2 + i * 3], /* type */
|
||||
io_pdc_cell->mod[3 + i * 3], /* start */
|
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io_pdc_cell->mod[4 + i * 3]); /* finish (ie end) */
|
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}
|
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printk(KERN_DEBUG "\n");
|
||||
break;
|
||||
}
|
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#endif /* DEBUG_PAT */
|
||||
|
||||
kfree(pa_pdc_cell);
|
||||
|
||||
return PDC_OK;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -120,7 +120,7 @@ int cpu_check_affinity(unsigned int irq, const struct cpumask *dest)
|
|||
if (CHECK_IRQ_PER_CPU(irq)) {
|
||||
/* Bad linux design decision. The mask has already
|
||||
* been set; we must reset it */
|
||||
cpumask_setall(&irq_desc[irq].affinity);
|
||||
cpumask_setall(irq_desc[irq].affinity);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
|
|
@ -138,13 +138,13 @@ static int cpu_set_affinity_irq(unsigned int irq, const struct cpumask *dest)
|
|||
if (cpu_dest < 0)
|
||||
return -1;
|
||||
|
||||
cpumask_copy(&irq_desc[irq].affinity, dest);
|
||||
cpumask_copy(irq_desc[irq].affinity, dest);
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
static struct hw_interrupt_type cpu_interrupt_type = {
|
||||
static struct irq_chip cpu_interrupt_type = {
|
||||
.typename = "CPU",
|
||||
.startup = cpu_startup_irq,
|
||||
.shutdown = cpu_disable_irq,
|
||||
|
|
@ -299,7 +299,7 @@ int txn_alloc_irq(unsigned int bits_wide)
|
|||
unsigned long txn_affinity_addr(unsigned int irq, int cpu)
|
||||
{
|
||||
#ifdef CONFIG_SMP
|
||||
cpumask_copy(&irq_desc[irq].affinity, cpumask_of(cpu));
|
||||
cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu));
|
||||
#endif
|
||||
|
||||
return per_cpu(cpu_data, cpu).txn_addr;
|
||||
|
|
@ -356,7 +356,7 @@ void do_cpu_irq_mask(struct pt_regs *regs)
|
|||
irq = eirr_to_irq(eirr_val);
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
cpumask_copy(&dest, &irq_desc[irq].affinity);
|
||||
cpumask_copy(&dest, irq_desc[irq].affinity);
|
||||
if (CHECK_IRQ_PER_CPU(irq_desc[irq].status) &&
|
||||
!cpu_isset(smp_processor_id(), dest)) {
|
||||
int cpu = first_cpu(dest);
|
||||
|
|
|
|||
|
|
@ -90,12 +90,14 @@ static inline int map_pte_uncached(pte_t * pte,
|
|||
if (end > PMD_SIZE)
|
||||
end = PMD_SIZE;
|
||||
do {
|
||||
unsigned long flags;
|
||||
|
||||
if (!pte_none(*pte))
|
||||
printk(KERN_ERR "map_pte_uncached: page already exists\n");
|
||||
set_pte(pte, __mk_pte(*paddr_ptr, PAGE_KERNEL_UNC));
|
||||
purge_tlb_start();
|
||||
purge_tlb_start(flags);
|
||||
pdtlb_kernel(orig_vaddr);
|
||||
purge_tlb_end();
|
||||
purge_tlb_end(flags);
|
||||
vaddr += PAGE_SIZE;
|
||||
orig_vaddr += PAGE_SIZE;
|
||||
(*paddr_ptr) += PAGE_SIZE;
|
||||
|
|
@ -168,11 +170,13 @@ static inline void unmap_uncached_pte(pmd_t * pmd, unsigned long vaddr,
|
|||
if (end > PMD_SIZE)
|
||||
end = PMD_SIZE;
|
||||
do {
|
||||
unsigned long flags;
|
||||
pte_t page = *pte;
|
||||
|
||||
pte_clear(&init_mm, vaddr, pte);
|
||||
purge_tlb_start();
|
||||
purge_tlb_start(flags);
|
||||
pdtlb_kernel(orig_vaddr);
|
||||
purge_tlb_end();
|
||||
purge_tlb_end(flags);
|
||||
vaddr += PAGE_SIZE;
|
||||
orig_vaddr += PAGE_SIZE;
|
||||
pte++;
|
||||
|
|
|
|||
|
|
@ -1,5 +1,4 @@
|
|||
/* $Id: pci.c,v 1.6 2000/01/29 00:12:05 grundler Exp $
|
||||
*
|
||||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
|
|
|
|||
|
|
@ -1,5 +1,4 @@
|
|||
/* $Id: processor.c,v 1.1 2002/07/20 16:27:06 rhirst Exp $
|
||||
*
|
||||
/*
|
||||
* Initial setup-routines for HP 9000 based hardware.
|
||||
*
|
||||
* Copyright (C) 1991, 1992, 1995 Linus Torvalds
|
||||
|
|
@ -121,22 +120,28 @@ static int __cpuinit processor_probe(struct parisc_device *dev)
|
|||
if (is_pdc_pat()) {
|
||||
ulong status;
|
||||
unsigned long bytecnt;
|
||||
pdc_pat_cell_mod_maddr_block_t pa_pdc_cell;
|
||||
pdc_pat_cell_mod_maddr_block_t *pa_pdc_cell;
|
||||
#undef USE_PAT_CPUID
|
||||
#ifdef USE_PAT_CPUID
|
||||
struct pdc_pat_cpu_num cpu_info;
|
||||
#endif
|
||||
|
||||
pa_pdc_cell = kmalloc(sizeof (*pa_pdc_cell), GFP_KERNEL);
|
||||
if (!pa_pdc_cell)
|
||||
panic("couldn't allocate memory for PDC_PAT_CELL!");
|
||||
|
||||
status = pdc_pat_cell_module(&bytecnt, dev->pcell_loc,
|
||||
dev->mod_index, PA_VIEW, &pa_pdc_cell);
|
||||
dev->mod_index, PA_VIEW, pa_pdc_cell);
|
||||
|
||||
BUG_ON(PDC_OK != status);
|
||||
|
||||
/* verify it's the same as what do_pat_inventory() found */
|
||||
BUG_ON(dev->mod_info != pa_pdc_cell.mod_info);
|
||||
BUG_ON(dev->pmod_loc != pa_pdc_cell.mod_location);
|
||||
BUG_ON(dev->mod_info != pa_pdc_cell->mod_info);
|
||||
BUG_ON(dev->pmod_loc != pa_pdc_cell->mod_location);
|
||||
|
||||
txn_addr = pa_pdc_cell.mod[0]; /* id_eid for IO sapic */
|
||||
txn_addr = pa_pdc_cell->mod[0]; /* id_eid for IO sapic */
|
||||
|
||||
kfree(pa_pdc_cell);
|
||||
|
||||
#ifdef USE_PAT_CPUID
|
||||
/* We need contiguous numbers for cpuid. Firmware's notion
|
||||
|
|
|
|||
|
|
@ -1,5 +1,4 @@
|
|||
/* $Id: setup.c,v 1.8 2000/02/02 04:42:38 prumpf Exp $
|
||||
*
|
||||
/*
|
||||
* Initial setup-routines for HP 9000 based hardware.
|
||||
*
|
||||
* Copyright (C) 1991, 1992, 1995 Linus Torvalds
|
||||
|
|
|
|||
|
|
@ -174,68 +174,6 @@ asmlinkage long sys32_sched_rr_get_interval(pid_t pid,
|
|||
return ret;
|
||||
}
|
||||
|
||||
/*** copied from mips64 ***/
|
||||
/*
|
||||
* Ooo, nasty. We need here to frob 32-bit unsigned longs to
|
||||
* 64-bit unsigned longs.
|
||||
*/
|
||||
|
||||
static inline int
|
||||
get_fd_set32(unsigned long n, u32 *ufdset, unsigned long *fdset)
|
||||
{
|
||||
n = (n + 8*sizeof(u32) - 1) / (8*sizeof(u32));
|
||||
if (ufdset) {
|
||||
unsigned long odd;
|
||||
|
||||
if (!access_ok(VERIFY_WRITE, ufdset, n*sizeof(u32)))
|
||||
return -EFAULT;
|
||||
|
||||
odd = n & 1UL;
|
||||
n &= ~1UL;
|
||||
while (n) {
|
||||
unsigned long h, l;
|
||||
__get_user(l, ufdset);
|
||||
__get_user(h, ufdset+1);
|
||||
ufdset += 2;
|
||||
*fdset++ = h << 32 | l;
|
||||
n -= 2;
|
||||
}
|
||||
if (odd)
|
||||
__get_user(*fdset, ufdset);
|
||||
} else {
|
||||
/* Tricky, must clear full unsigned long in the
|
||||
* kernel fdset at the end, this makes sure that
|
||||
* actually happens.
|
||||
*/
|
||||
memset(fdset, 0, ((n + 1) & ~1)*sizeof(u32));
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline void
|
||||
set_fd_set32(unsigned long n, u32 *ufdset, unsigned long *fdset)
|
||||
{
|
||||
unsigned long odd;
|
||||
n = (n + 8*sizeof(u32) - 1) / (8*sizeof(u32));
|
||||
|
||||
if (!ufdset)
|
||||
return;
|
||||
|
||||
odd = n & 1UL;
|
||||
n &= ~1UL;
|
||||
while (n) {
|
||||
unsigned long h, l;
|
||||
l = *fdset++;
|
||||
h = l >> 32;
|
||||
__put_user(l, ufdset);
|
||||
__put_user(h, ufdset+1);
|
||||
ufdset += 2;
|
||||
n -= 2;
|
||||
}
|
||||
if (odd)
|
||||
__put_user(*fdset, ufdset);
|
||||
}
|
||||
|
||||
struct msgbuf32 {
|
||||
int mtype;
|
||||
char mtext[1];
|
||||
|
|
|
|||
|
|
@ -413,6 +413,10 @@
|
|||
ENTRY_SAME(dup3)
|
||||
ENTRY_SAME(pipe2)
|
||||
ENTRY_SAME(inotify_init1)
|
||||
ENTRY_COMP(preadv) /* 315 */
|
||||
ENTRY_COMP(pwritev)
|
||||
ENTRY_COMP(rt_tgsigqueueinfo)
|
||||
ENTRY_SAME(perf_counter_open)
|
||||
|
||||
/* Nothing yet */
|
||||
|
||||
|
|
|
|||
|
|
@ -56,9 +56,9 @@ static unsigned long clocktick __read_mostly; /* timer cycles per tick */
|
|||
*/
|
||||
irqreturn_t __irq_entry timer_interrupt(int irq, void *dev_id)
|
||||
{
|
||||
unsigned long now;
|
||||
unsigned long now, now2;
|
||||
unsigned long next_tick;
|
||||
unsigned long cycles_elapsed, ticks_elapsed;
|
||||
unsigned long cycles_elapsed, ticks_elapsed = 1;
|
||||
unsigned long cycles_remainder;
|
||||
unsigned int cpu = smp_processor_id();
|
||||
struct cpuinfo_parisc *cpuinfo = &per_cpu(cpu_data, cpu);
|
||||
|
|
@ -71,44 +71,24 @@ irqreturn_t __irq_entry timer_interrupt(int irq, void *dev_id)
|
|||
/* Initialize next_tick to the expected tick time. */
|
||||
next_tick = cpuinfo->it_value;
|
||||
|
||||
/* Get current interval timer.
|
||||
* CR16 reads as 64 bits in CPU wide mode.
|
||||
* CR16 reads as 32 bits in CPU narrow mode.
|
||||
*/
|
||||
/* Get current cycle counter (Control Register 16). */
|
||||
now = mfctl(16);
|
||||
|
||||
cycles_elapsed = now - next_tick;
|
||||
|
||||
if ((cycles_elapsed >> 5) < cpt) {
|
||||
if ((cycles_elapsed >> 6) < cpt) {
|
||||
/* use "cheap" math (add/subtract) instead
|
||||
* of the more expensive div/mul method
|
||||
*/
|
||||
cycles_remainder = cycles_elapsed;
|
||||
ticks_elapsed = 1;
|
||||
while (cycles_remainder > cpt) {
|
||||
cycles_remainder -= cpt;
|
||||
ticks_elapsed++;
|
||||
}
|
||||
} else {
|
||||
/* TODO: Reduce this to one fdiv op */
|
||||
cycles_remainder = cycles_elapsed % cpt;
|
||||
ticks_elapsed = 1 + cycles_elapsed / cpt;
|
||||
}
|
||||
|
||||
/* Can we differentiate between "early CR16" (aka Scenario 1) and
|
||||
* "long delay" (aka Scenario 3)? I don't think so.
|
||||
*
|
||||
* We expected timer_interrupt to be delivered at least a few hundred
|
||||
* cycles after the IT fires. But it's arbitrary how much time passes
|
||||
* before we call it "late". I've picked one second.
|
||||
*/
|
||||
if (unlikely(ticks_elapsed > HZ)) {
|
||||
/* Scenario 3: very long delay? bad in any case */
|
||||
printk (KERN_CRIT "timer_interrupt(CPU %d): delayed!"
|
||||
" cycles %lX rem %lX "
|
||||
" next/now %lX/%lX\n",
|
||||
cpu,
|
||||
cycles_elapsed, cycles_remainder,
|
||||
next_tick, now );
|
||||
ticks_elapsed += cycles_elapsed / cpt;
|
||||
}
|
||||
|
||||
/* convert from "division remainder" to "remainder of clock tick" */
|
||||
|
|
@ -122,18 +102,56 @@ irqreturn_t __irq_entry timer_interrupt(int irq, void *dev_id)
|
|||
|
||||
cpuinfo->it_value = next_tick;
|
||||
|
||||
/* Skip one clocktick on purpose if we are likely to miss next_tick.
|
||||
* We want to avoid the new next_tick being less than CR16.
|
||||
* If that happened, itimer wouldn't fire until CR16 wrapped.
|
||||
* We'll catch the tick we missed on the tick after that.
|
||||
/* Program the IT when to deliver the next interrupt.
|
||||
* Only bottom 32-bits of next_tick are writable in CR16!
|
||||
*/
|
||||
if (!(cycles_remainder >> 13))
|
||||
next_tick += cpt;
|
||||
|
||||
/* Program the IT when to deliver the next interrupt. */
|
||||
/* Only bottom 32-bits of next_tick are written to cr16. */
|
||||
mtctl(next_tick, 16);
|
||||
|
||||
/* Skip one clocktick on purpose if we missed next_tick.
|
||||
* The new CR16 must be "later" than current CR16 otherwise
|
||||
* itimer would not fire until CR16 wrapped - e.g 4 seconds
|
||||
* later on a 1Ghz processor. We'll account for the missed
|
||||
* tick on the next timer interrupt.
|
||||
*
|
||||
* "next_tick - now" will always give the difference regardless
|
||||
* if one or the other wrapped. If "now" is "bigger" we'll end up
|
||||
* with a very large unsigned number.
|
||||
*/
|
||||
now2 = mfctl(16);
|
||||
if (next_tick - now2 > cpt)
|
||||
mtctl(next_tick+cpt, 16);
|
||||
|
||||
#if 1
|
||||
/*
|
||||
* GGG: DEBUG code for how many cycles programming CR16 used.
|
||||
*/
|
||||
if (unlikely(now2 - now > 0x3000)) /* 12K cycles */
|
||||
printk (KERN_CRIT "timer_interrupt(CPU %d): SLOW! 0x%lx cycles!"
|
||||
" cyc %lX rem %lX "
|
||||
" next/now %lX/%lX\n",
|
||||
cpu, now2 - now, cycles_elapsed, cycles_remainder,
|
||||
next_tick, now );
|
||||
#endif
|
||||
|
||||
/* Can we differentiate between "early CR16" (aka Scenario 1) and
|
||||
* "long delay" (aka Scenario 3)? I don't think so.
|
||||
*
|
||||
* Timer_interrupt will be delivered at least a few hundred cycles
|
||||
* after the IT fires. But it's arbitrary how much time passes
|
||||
* before we call it "late". I've picked one second.
|
||||
*
|
||||
* It's important NO printk's are between reading CR16 and
|
||||
* setting up the next value. May introduce huge variance.
|
||||
*/
|
||||
if (unlikely(ticks_elapsed > HZ)) {
|
||||
/* Scenario 3: very long delay? bad in any case */
|
||||
printk (KERN_CRIT "timer_interrupt(CPU %d): delayed!"
|
||||
" cycles %lX rem %lX "
|
||||
" next/now %lX/%lX\n",
|
||||
cpu,
|
||||
cycles_elapsed, cycles_remainder,
|
||||
next_tick, now );
|
||||
}
|
||||
|
||||
/* Done mucking with unreliable delivery of interrupts.
|
||||
* Go do system house keeping.
|
||||
|
|
@ -173,7 +191,7 @@ EXPORT_SYMBOL(profile_pc);
|
|||
|
||||
/* clock source code */
|
||||
|
||||
static cycle_t read_cr16(void)
|
||||
static cycle_t read_cr16(struct clocksource *cs)
|
||||
{
|
||||
return get_cycles();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -13,8 +13,6 @@
|
|||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version
|
||||
* 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* $Id: checksum.c,v 1.3 1997/12/01 17:57:34 ralf Exp $
|
||||
*/
|
||||
#include <linux/module.h>
|
||||
#include <linux/types.h>
|
||||
|
|
|
|||
|
|
@ -405,7 +405,7 @@ byte_copy:
|
|||
|
||||
unaligned_copy:
|
||||
/* possibly we are aligned on a word, but not on a double... */
|
||||
if (likely(t1 & (sizeof(unsigned int)-1)) == 0) {
|
||||
if (likely((t1 & (sizeof(unsigned int)-1)) == 0)) {
|
||||
t2 = src & (sizeof(unsigned int) - 1);
|
||||
|
||||
if (unlikely(t2 != 0)) {
|
||||
|
|
|
|||
|
|
@ -40,7 +40,7 @@
|
|||
* END_DESC
|
||||
*/
|
||||
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include "float.h"
|
||||
#include "sgl_float.h"
|
||||
#include "dbl_float.h"
|
||||
|
|
|
|||
|
|
@ -1,5 +1,4 @@
|
|||
/* $Id: fault.c,v 1.5 2000/01/26 16:20:29 jsm Exp $
|
||||
*
|
||||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
|
|
|
|||
|
|
@ -370,34 +370,22 @@ static void __init setup_bootmem(void)
|
|||
|
||||
void free_initmem(void)
|
||||
{
|
||||
unsigned long addr, init_begin, init_end;
|
||||
|
||||
printk(KERN_INFO "Freeing unused kernel memory: ");
|
||||
unsigned long addr;
|
||||
unsigned long init_begin = (unsigned long)__init_begin;
|
||||
unsigned long init_end = (unsigned long)__init_end;
|
||||
|
||||
#ifdef CONFIG_DEBUG_KERNEL
|
||||
/* Attempt to catch anyone trying to execute code here
|
||||
* by filling the page with BRK insns.
|
||||
*
|
||||
* If we disable interrupts for all CPUs, then IPI stops working.
|
||||
* Kinda breaks the global cache flushing.
|
||||
*/
|
||||
local_irq_disable();
|
||||
|
||||
memset(__init_begin, 0x00,
|
||||
(unsigned long)__init_end - (unsigned long)__init_begin);
|
||||
|
||||
flush_data_cache();
|
||||
asm volatile("sync" : : );
|
||||
flush_icache_range((unsigned long)__init_begin, (unsigned long)__init_end);
|
||||
asm volatile("sync" : : );
|
||||
|
||||
local_irq_enable();
|
||||
memset((void *)init_begin, 0x00, init_end - init_begin);
|
||||
flush_icache_range(init_begin, init_end);
|
||||
#endif
|
||||
|
||||
/* align __init_begin and __init_end to page size,
|
||||
ignoring linker script where we might have tried to save RAM */
|
||||
init_begin = PAGE_ALIGN((unsigned long)(__init_begin));
|
||||
init_end = PAGE_ALIGN((unsigned long)(__init_end));
|
||||
init_begin = PAGE_ALIGN(init_begin);
|
||||
init_end = PAGE_ALIGN(init_end);
|
||||
for (addr = init_begin; addr < init_end; addr += PAGE_SIZE) {
|
||||
ClearPageReserved(virt_to_page(addr));
|
||||
init_page_count(virt_to_page(addr));
|
||||
|
|
@ -409,7 +397,8 @@ void free_initmem(void)
|
|||
/* set up a new led state on systems shipped LED State panel */
|
||||
pdc_chassis_send_status(PDC_CHASSIS_DIRECT_BCOMPLETE);
|
||||
|
||||
printk("%luk freed\n", (init_end - init_begin) >> 10);
|
||||
printk(KERN_INFO "Freeing unused kernel memory: %luk freed\n",
|
||||
(init_end - init_begin) >> 10);
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1134,7 +1134,7 @@ static const struct file_operations ccio_proc_bitmap_fops = {
|
|||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
};
|
||||
#endif
|
||||
#endif /* CONFIG_PROC_FS */
|
||||
|
||||
/**
|
||||
* ccio_find_ioc - Find the ioc in the ioc_list
|
||||
|
|
@ -1568,14 +1568,15 @@ static int __init ccio_probe(struct parisc_device *dev)
|
|||
/* if this fails, no I/O cards will work, so may as well bug */
|
||||
BUG_ON(dev->dev.platform_data == NULL);
|
||||
HBA_DATA(dev->dev.platform_data)->iommu = ioc;
|
||||
|
||||
|
||||
#ifdef CONFIG_PROC_FS
|
||||
if (ioc_count == 0) {
|
||||
proc_create(MODULE_NAME, 0, proc_runway_root,
|
||||
&ccio_proc_info_fops);
|
||||
proc_create(MODULE_NAME"-bitmap", 0, proc_runway_root,
|
||||
&ccio_proc_bitmap_fops);
|
||||
}
|
||||
|
||||
#endif
|
||||
ioc_count++;
|
||||
|
||||
parisc_has_iommu();
|
||||
|
|
|
|||
|
|
@ -353,7 +353,7 @@ static unsigned int dino_startup_irq(unsigned int irq)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static struct hw_interrupt_type dino_interrupt_type = {
|
||||
static struct irq_chip dino_interrupt_type = {
|
||||
.typename = "GSC-PCI",
|
||||
.startup = dino_startup_irq,
|
||||
.shutdown = dino_disable_irq,
|
||||
|
|
@ -1019,22 +1019,22 @@ static int __init dino_probe(struct parisc_device *dev)
|
|||
** It's not used to avoid chicken/egg problems
|
||||
** with configuration accessor functions.
|
||||
*/
|
||||
bus = pci_scan_bus_parented(&dev->dev, dino_current_bus,
|
||||
&dino_cfg_ops, NULL);
|
||||
dino_dev->hba.hba_bus = bus = pci_scan_bus_parented(&dev->dev,
|
||||
dino_current_bus, &dino_cfg_ops, NULL);
|
||||
|
||||
if(bus) {
|
||||
pci_bus_add_devices(bus);
|
||||
/* This code *depends* on scanning being single threaded
|
||||
* if it isn't, this global bus number count will fail
|
||||
*/
|
||||
dino_current_bus = bus->subordinate + 1;
|
||||
pci_bus_assign_resources(bus);
|
||||
pci_bus_add_devices(bus);
|
||||
} else {
|
||||
printk(KERN_ERR "ERROR: failed to scan PCI bus on %s (probably duplicate bus number %d)\n",
|
||||
printk(KERN_ERR "ERROR: failed to scan PCI bus on %s (duplicate bus number %d?)\n",
|
||||
dev_name(&dev->dev), dino_current_bus);
|
||||
/* increment the bus number in case of duplicates */
|
||||
dino_current_bus++;
|
||||
}
|
||||
dino_dev->hba.hba_bus = bus;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -188,7 +188,7 @@ static unsigned int eisa_startup_irq(unsigned int irq)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static struct hw_interrupt_type eisa_interrupt_type = {
|
||||
static struct irq_chip eisa_interrupt_type = {
|
||||
.typename = "EISA",
|
||||
.startup = eisa_startup_irq,
|
||||
.shutdown = eisa_disable_irq,
|
||||
|
|
|
|||
|
|
@ -148,7 +148,7 @@ static unsigned int gsc_asic_startup_irq(unsigned int irq)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static struct hw_interrupt_type gsc_asic_interrupt_type = {
|
||||
static struct irq_chip gsc_asic_interrupt_type = {
|
||||
.typename = "GSC-ASIC",
|
||||
.startup = gsc_asic_startup_irq,
|
||||
.shutdown = gsc_asic_disable_irq,
|
||||
|
|
@ -158,7 +158,7 @@ static struct hw_interrupt_type gsc_asic_interrupt_type = {
|
|||
.end = no_end_irq,
|
||||
};
|
||||
|
||||
int gsc_assign_irq(struct hw_interrupt_type *type, void *data)
|
||||
int gsc_assign_irq(struct irq_chip *type, void *data)
|
||||
{
|
||||
static int irq = GSC_IRQ_BASE;
|
||||
struct irq_desc *desc;
|
||||
|
|
|
|||
|
|
@ -38,7 +38,7 @@ struct gsc_asic {
|
|||
int gsc_common_setup(struct parisc_device *parent, struct gsc_asic *gsc_asic);
|
||||
int gsc_alloc_irq(struct gsc_irq *dev); /* dev needs an irq */
|
||||
int gsc_claim_irq(struct gsc_irq *dev, int irq); /* dev needs this irq */
|
||||
int gsc_assign_irq(struct hw_interrupt_type *type, void *data);
|
||||
int gsc_assign_irq(struct irq_chip *type, void *data);
|
||||
int gsc_find_local_irq(unsigned int irq, int *global_irq, int limit);
|
||||
void gsc_fixup_irqs(struct parisc_device *parent, void *ctrl,
|
||||
void (*choose)(struct parisc_device *child, void *ctrl));
|
||||
|
|
|
|||
|
|
@ -729,7 +729,7 @@ static int iosapic_set_affinity_irq(unsigned int irq,
|
|||
}
|
||||
#endif
|
||||
|
||||
static struct hw_interrupt_type iosapic_interrupt_type = {
|
||||
static struct irq_chip iosapic_interrupt_type = {
|
||||
.typename = "IO-SAPIC-level",
|
||||
.startup = iosapic_startup_irq,
|
||||
.shutdown = iosapic_disable_irq,
|
||||
|
|
|
|||
|
|
@ -980,28 +980,38 @@ static void
|
|||
lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
|
||||
{
|
||||
unsigned long bytecnt;
|
||||
pdc_pat_cell_mod_maddr_block_t pa_pdc_cell; /* PA_VIEW */
|
||||
pdc_pat_cell_mod_maddr_block_t io_pdc_cell; /* IO_VIEW */
|
||||
long io_count;
|
||||
long status; /* PDC return status */
|
||||
long pa_count;
|
||||
pdc_pat_cell_mod_maddr_block_t *pa_pdc_cell; /* PA_VIEW */
|
||||
pdc_pat_cell_mod_maddr_block_t *io_pdc_cell; /* IO_VIEW */
|
||||
int i;
|
||||
|
||||
pa_pdc_cell = kzalloc(sizeof(pdc_pat_cell_mod_maddr_block_t), GFP_KERNEL);
|
||||
if (!pa_pdc_cell)
|
||||
return;
|
||||
|
||||
io_pdc_cell = kzalloc(sizeof(pdc_pat_cell_mod_maddr_block_t), GFP_KERNEL);
|
||||
if (!pa_pdc_cell) {
|
||||
kfree(pa_pdc_cell);
|
||||
return;
|
||||
}
|
||||
|
||||
/* return cell module (IO view) */
|
||||
status = pdc_pat_cell_module(&bytecnt, pa_dev->pcell_loc, pa_dev->mod_index,
|
||||
PA_VIEW, & pa_pdc_cell);
|
||||
pa_count = pa_pdc_cell.mod[1];
|
||||
PA_VIEW, pa_pdc_cell);
|
||||
pa_count = pa_pdc_cell->mod[1];
|
||||
|
||||
status |= pdc_pat_cell_module(&bytecnt, pa_dev->pcell_loc, pa_dev->mod_index,
|
||||
IO_VIEW, &io_pdc_cell);
|
||||
io_count = io_pdc_cell.mod[1];
|
||||
IO_VIEW, io_pdc_cell);
|
||||
io_count = io_pdc_cell->mod[1];
|
||||
|
||||
/* We've already done this once for device discovery...*/
|
||||
if (status != PDC_OK) {
|
||||
panic("pdc_pat_cell_module() call failed for LBA!\n");
|
||||
}
|
||||
|
||||
if (PAT_GET_ENTITY(pa_pdc_cell.mod_info) != PAT_ENTITY_LBA) {
|
||||
if (PAT_GET_ENTITY(pa_pdc_cell->mod_info) != PAT_ENTITY_LBA) {
|
||||
panic("pdc_pat_cell_module() entity returned != PAT_ENTITY_LBA!\n");
|
||||
}
|
||||
|
||||
|
|
@ -1016,8 +1026,8 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
|
|||
} *p, *io;
|
||||
struct resource *r;
|
||||
|
||||
p = (void *) &(pa_pdc_cell.mod[2+i*3]);
|
||||
io = (void *) &(io_pdc_cell.mod[2+i*3]);
|
||||
p = (void *) &(pa_pdc_cell->mod[2+i*3]);
|
||||
io = (void *) &(io_pdc_cell->mod[2+i*3]);
|
||||
|
||||
/* Convert the PAT range data to PCI "struct resource" */
|
||||
switch(p->type & 0xff) {
|
||||
|
|
@ -1096,6 +1106,9 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
|
|||
break;
|
||||
}
|
||||
}
|
||||
|
||||
kfree(pa_pdc_cell);
|
||||
kfree(io_pdc_cell);
|
||||
}
|
||||
#else
|
||||
/* keep compiler from complaining about missing declarations */
|
||||
|
|
@ -1509,10 +1522,6 @@ lba_driver_probe(struct parisc_device *dev)
|
|||
lba_bus = lba_dev->hba.hba_bus =
|
||||
pci_scan_bus_parented(&dev->dev, lba_dev->hba.bus_num.start,
|
||||
cfg_ops, NULL);
|
||||
if (lba_bus) {
|
||||
lba_next_bus = lba_bus->subordinate + 1;
|
||||
pci_bus_add_devices(lba_bus);
|
||||
}
|
||||
|
||||
/* This is in lieu of calling pci_assign_unassigned_resources() */
|
||||
if (is_pdc_pat()) {
|
||||
|
|
@ -1533,7 +1542,6 @@ lba_driver_probe(struct parisc_device *dev)
|
|||
}
|
||||
pci_enable_bridges(lba_bus);
|
||||
|
||||
|
||||
/*
|
||||
** Once PCI register ops has walked the bus, access to config
|
||||
** space is restricted. Avoids master aborts on config cycles.
|
||||
|
|
@ -1543,6 +1551,11 @@ lba_driver_probe(struct parisc_device *dev)
|
|||
lba_dev->flags |= LBA_FLAG_SKIP_PROBE;
|
||||
}
|
||||
|
||||
if (lba_bus) {
|
||||
lba_next_bus = lba_bus->subordinate + 1;
|
||||
pci_bus_add_devices(lba_bus);
|
||||
}
|
||||
|
||||
/* Whew! Finally done! Tell services we got this one covered. */
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -2057,6 +2057,7 @@ void sba_directed_lmmio(struct parisc_device *pci_hba, struct resource *r)
|
|||
r->start = (base & ~1UL) | PCI_F_EXTEND;
|
||||
size = ~ READ_REG32(reg + LMMIO_DIRECT0_MASK);
|
||||
r->end = r->start + size;
|
||||
r->flags = IORESOURCE_MEM;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -2093,4 +2094,5 @@ void sba_distributed_lmmio(struct parisc_device *pci_hba, struct resource *r )
|
|||
size = (~READ_REG32(sba->sba_hpa + LMMIO_DIST_MASK)) / ROPES_PER_IOC;
|
||||
r->start += rope * (size + 1); /* adjust base for this rope */
|
||||
r->end = r->start + size;
|
||||
r->flags = IORESOURCE_MEM;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -325,7 +325,7 @@ static unsigned int superio_startup_irq(unsigned int irq)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static struct hw_interrupt_type superio_interrupt_type = {
|
||||
static struct irq_chip superio_interrupt_type = {
|
||||
.typename = SUPERIO,
|
||||
.startup = superio_startup_irq,
|
||||
.shutdown = superio_disable_irq,
|
||||
|
|
@ -434,8 +434,8 @@ static void __init superio_parport_init(void)
|
|||
0 /*base_hi*/,
|
||||
PAR_IRQ,
|
||||
PARPORT_DMA_NONE /* dma */,
|
||||
NULL /*struct pci_dev* */),
|
||||
0 /* shared irq flags */ )
|
||||
NULL /*struct pci_dev* */,
|
||||
0 /* shared irq flags */))
|
||||
|
||||
printk(KERN_WARNING PFX "Probing parallel port failed.\n");
|
||||
#endif /* CONFIG_PARPORT_PC */
|
||||
|
|
|
|||
|
|
@ -616,6 +616,8 @@ config FB_STI
|
|||
select FB_CFB_FILLRECT
|
||||
select FB_CFB_COPYAREA
|
||||
select FB_CFB_IMAGEBLIT
|
||||
select STI_CONSOLE
|
||||
select VT
|
||||
default y
|
||||
---help---
|
||||
STI refers to the HP "Standard Text Interface" which is a set of
|
||||
|
|
|
|||
|
|
@ -29,6 +29,12 @@
|
|||
#define cpu_relax() asm volatile("" ::: "memory")
|
||||
#endif
|
||||
|
||||
#ifdef __hppa__
|
||||
#include "../../arch/parisc/include/asm/unistd.h"
|
||||
#define rmb() asm volatile("" ::: "memory")
|
||||
#define cpu_relax() asm volatile("" ::: "memory");
|
||||
#endif
|
||||
|
||||
#include <time.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/types.h>
|
||||
|
|
|
|||
Loading…
Reference in New Issue