/* * Copyright 2004-2009 Analog Devices Inc. * * Licensed under the GPL-2 or later. */ #ifndef __ASM_BFIN_PROCESSOR_H #define __ASM_BFIN_PROCESSOR_H /* * Default implementation of macro that returns current * instruction pointer ("program counter"). */ #define current_text_addr() ({ __label__ _l; _l: &&_l;}) #include <asm/ptrace.h> #include <mach/blackfin.h> static inline unsigned long rdusp(void) { unsigned long usp; __asm__ __volatile__("%0 = usp;\n\t":"=da"(usp)); return usp; } static inline void wrusp(unsigned long usp) { __asm__ __volatile__("usp = %0;\n\t"::"da"(usp)); } static inline unsigned long __get_SP(void) { unsigned long sp; __asm__ __volatile__("%0 = sp;\n\t" : "=da"(sp)); return sp; } /* * User space process size: 1st byte beyond user address space. * Fairly meaningless on nommu. Parts of user programs can be scattered * in a lot of places, so just disable this by setting it to 0xFFFFFFFF. */ #define TASK_SIZE 0xFFFFFFFF #ifdef __KERNEL__ #define STACK_TOP TASK_SIZE #endif #define TASK_UNMAPPED_BASE 0 struct thread_struct { unsigned long ksp; /* kernel stack pointer */ unsigned long usp; /* user stack pointer */ unsigned short seqstat; /* saved status register */ unsigned long esp0; /* points to SR of stack frame pt_regs */ unsigned long pc; /* instruction pointer */ void * debuggerinfo; }; #define INIT_THREAD { \ sizeof(init_stack) + (unsigned long) init_stack, 0, \ PS_S, 0, 0 \ } extern void start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp); /* Forward declaration, a strange C thing */ struct task_struct; /* Free all resources held by a thread. */ static inline void release_thread(struct task_struct *dead_task) { } unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) \ ({ \ unsigned long eip = 0; \ if ((tsk)->thread.esp0 > PAGE_SIZE && \ MAP_NR((tsk)->thread.esp0) < max_mapnr) \ eip = ((struct pt_regs *) (tsk)->thread.esp0)->pc; \ eip; }) #define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->thread.usp) #define cpu_relax() smp_mb() /* Get the Silicon Revision of the chip */ static inline uint32_t __pure bfin_revid(void) { /* Always use CHIPID, to work around ANOMALY_05000234 */ uint32_t revid = (bfin_read_CHIPID() & CHIPID_VERSION) >> 28; #ifdef _BOOTROM_GET_DXE_ADDRESS_TWI /* * ANOMALY_05000364 * Incorrect Revision Number in DSPID Register */ if (ANOMALY_05000364 && bfin_read16(_BOOTROM_GET_DXE_ADDRESS_TWI) == 0x2796) revid = 1; #endif return revid; } static inline uint16_t __pure bfin_cpuid(void) { return (bfin_read_CHIPID() & CHIPID_FAMILY) >> 12; } static inline uint32_t __pure bfin_dspid(void) { return bfin_read_DSPID(); } #define blackfin_core_id() (bfin_dspid() & 0xff) static inline uint32_t __pure bfin_compiled_revid(void) { #if defined(CONFIG_BF_REV_0_0) return 0; #elif defined(CONFIG_BF_REV_0_1) return 1; #elif defined(CONFIG_BF_REV_0_2) return 2; #elif defined(CONFIG_BF_REV_0_3) return 3; #elif defined(CONFIG_BF_REV_0_4) return 4; #elif defined(CONFIG_BF_REV_0_5) return 5; #elif defined(CONFIG_BF_REV_0_6) return 6; #elif defined(CONFIG_BF_REV_ANY) return 0xffff; #else return -1; #endif } #endif
Name | Type | Size | Permission | Actions |
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Kbuild | File | 658 B | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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atomic.h | File | 1.55 KB | 0644 |
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barrier.h | File | 2.55 KB | 0644 |
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bfin-global.h | File | 2.8 KB | 0644 |
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bfin-lq035q1.h | File | 868 B | 0644 |
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bfin5xx_spi.h | File | 2.07 KB | 0644 |
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bfin_can.h | File | 36.04 KB | 0644 |
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bfin_dma.h | File | 5.46 KB | 0644 |
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bfin_pfmon.h | File | 1.11 KB | 0644 |
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bfin_ppi.h | File | 9.01 KB | 0644 |
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bfin_sdh.h | File | 7.2 KB | 0644 |
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bfin_serial.h | File | 17.02 KB | 0644 |
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bfin_simple_timer.h | File | 949 B | 0644 |
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bfin_sport.h | File | 1.21 KB | 0644 |
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bfin_sport3.h | File | 5.47 KB | 0644 |
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bfin_twi.h | File | 6.25 KB | 0644 |
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bfin_watchdog.h | File | 696 B | 0644 |
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bfrom.h | File | 3.36 KB | 0644 |
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bitops.h | File | 3.45 KB | 0644 |
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blackfin.h | File | 1.55 KB | 0644 |
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bug.h | File | 1.49 KB | 0644 |
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cache.h | File | 1.47 KB | 0644 |
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cacheflush.h | File | 3.79 KB | 0644 |
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cdef_LPBlackfin.h | File | 18.93 KB | 0644 |
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checksum.h | File | 899 B | 0644 |
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clkdev.h | File | 318 B | 0644 |
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clocks.h | File | 1.66 KB | 0644 |
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cmpxchg.h | File | 3.2 KB | 0644 |
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context.S | File | 5.92 KB | 0644 |
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cplb.h | File | 4.86 KB | 0644 |
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cplbinit.h | File | 1.6 KB | 0644 |
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cpu.h | File | 443 B | 0644 |
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def_LPBlackfin.h | File | 28.6 KB | 0644 |
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delay.h | File | 917 B | 0644 |
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dma-mapping.h | File | 1.09 KB | 0644 |
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dma.h | File | 9.28 KB | 0644 |
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dpmc.h | File | 18.24 KB | 0644 |
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early_printk.h | File | 1.09 KB | 0644 |
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elf.h | File | 4.88 KB | 0644 |
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entry.h | File | 5.27 KB | 0644 |
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exec.h | File | 37 B | 0644 |
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fixed_code.h | File | 806 B | 0644 |
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flat.h | File | 1.41 KB | 0644 |
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ftrace.h | File | 1.37 KB | 0644 |
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gpio.h | File | 5.91 KB | 0644 |
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gptimers.h | File | 8.95 KB | 0644 |
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hardirq.h | File | 301 B | 0644 |
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io.h | File | 1.52 KB | 0644 |
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ipipe.h | File | 5.81 KB | 0644 |
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ipipe_base.h | File | 2.38 KB | 0644 |
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irq.h | File | 879 B | 0644 |
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irq_handler.h | File | 1.93 KB | 0644 |
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irqflags.h | File | 7.13 KB | 0644 |
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kgdb.h | File | 3.23 KB | 0644 |
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l1layout.h | File | 879 B | 0644 |
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linkage.h | File | 205 B | 0644 |
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mem_init.h | File | 13.1 KB | 0644 |
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mem_map.h | File | 1.73 KB | 0644 |
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mmu.h | File | 713 B | 0644 |
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mmu_context.h | File | 5.35 KB | 0644 |
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module.h | File | 410 B | 0644 |
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nand.h | File | 895 B | 0644 |
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nmi.h | File | 195 B | 0644 |
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page.h | File | 546 B | 0644 |
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page_offset.h | File | 192 B | 0644 |
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pci.h | File | 310 B | 0644 |
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pda.h | File | 1.86 KB | 0644 |
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perf_event.h | File | 23 B | 0644 |
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pgtable.h | File | 3 KB | 0644 |
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pm.h | File | 590 B | 0644 |
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portmux.h | File | 16.38 KB | 0644 |
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processor.h | File | 3.21 KB | 0644 |
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pseudo_instructions.h | File | 391 B | 0644 |
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ptrace.h | File | 1.19 KB | 0644 |
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reboot.h | File | 446 B | 0644 |
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rwlock.h | File | 142 B | 0644 |
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scb.h | File | 445 B | 0644 |
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sections.h | File | 2 KB | 0644 |
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segment.h | File | 226 B | 0644 |
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smp.h | File | 1.34 KB | 0644 |
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spinlock.h | File | 1.87 KB | 0644 |
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spinlock_types.h | File | 495 B | 0644 |
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string.h | File | 1.04 KB | 0644 |
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switch_to.h | File | 997 B | 0644 |
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syscall.h | File | 2.15 KB | 0644 |
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thread_info.h | File | 2.66 KB | 0644 |
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time.h | File | 1.33 KB | 0644 |
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timex.h | File | 477 B | 0644 |
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tlb.h | File | 481 B | 0644 |
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tlbflush.h | File | 88 B | 0644 |
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trace.h | File | 2.67 KB | 0644 |
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traps.h | File | 4.87 KB | 0644 |
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uaccess.h | File | 5.79 KB | 0644 |
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unistd.h | File | 523 B | 0644 |
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vga.h | File | 29 B | 0644 |
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