diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-25 15:35:32 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-25 15:35:32 -0700 |
commit | 0798b1dbfbd9ff2a370c5968c5f0621ef0075fe0 (patch) | |
tree | c7f61ab9683786a070da0933b9981fc74a4d865f /arch/tile/include/asm | |
parent | ad363e0916423b2e6cdfcdc30ae707ec709f0a65 (diff) | |
parent | 6738d3210aabe3016a1b03cd98a7fc479c229197 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: (26 commits)
arch/tile: prefer "tilepro" as the name of the 32-bit architecture
compat: include aio_abi.h for aio_context_t
arch/tile: cleanups for tilegx compat mode
arch/tile: allocate PCI IRQs later in boot
arch/tile: support signal "exception-trace" hook
arch/tile: use better definitions of xchg() and cmpxchg()
include/linux/compat.h: coding-style fixes
tile: add an RTC driver for the Tilera hypervisor
arch/tile: finish enabling support for TILE-Gx 64-bit chip
compat: fixes to allow working with tile arch
arch/tile: update defconfig file to something more useful
tile: do_hardwall_trap: do not play with task->sighand
tile: replace mm->cpu_vm_mask with mm_cpumask()
tile,mn10300: add device parameter to dma_cache_sync()
audit: support the "standard" <asm-generic/unistd.h>
arch/tile: clarify flush_buffer()/finv_buffer() function names
arch/tile: kernel-related cleanups from removing static page size
arch/tile: various header improvements for building drivers
arch/tile: disable GX prefetcher during cache flush
arch/tile: tolerate disabling CONFIG_BLK_DEV_INITRD
...
Diffstat (limited to 'arch/tile/include/asm')
32 files changed, 2041 insertions, 1468 deletions
diff --git a/arch/tile/include/asm/atomic.h b/arch/tile/include/asm/atomic.h index 75a16028a952..739cfe0499d1 100644 --- a/arch/tile/include/asm/atomic.h +++ b/arch/tile/include/asm/atomic.h @@ -130,17 +130,52 @@ static inline int atomic_read(const atomic_t *v) */ #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) - -/* - * We define xchg() and cmpxchg() in the included headers. - * Note that we do not define __HAVE_ARCH_CMPXCHG, since that would imply - * that cmpxchg() is an efficient operation, which is not particularly true. - */ - /* Nonexistent functions intended to cause link errors. */ extern unsigned long __xchg_called_with_bad_pointer(void); extern unsigned long __cmpxchg_called_with_bad_pointer(void); +#define xchg(ptr, x) \ + ({ \ + typeof(*(ptr)) __x; \ + switch (sizeof(*(ptr))) { \ + case 4: \ + __x = (typeof(__x))(typeof(__x-__x))atomic_xchg( \ + (atomic_t *)(ptr), \ + (u32)(typeof((x)-(x)))(x)); \ + break; \ + case 8: \ + __x = (typeof(__x))(typeof(__x-__x))atomic64_xchg( \ + (atomic64_t *)(ptr), \ + (u64)(typeof((x)-(x)))(x)); \ + break; \ + default: \ + __xchg_called_with_bad_pointer(); \ + } \ + __x; \ + }) + +#define cmpxchg(ptr, o, n) \ + ({ \ + typeof(*(ptr)) __x; \ + switch (sizeof(*(ptr))) { \ + case 4: \ + __x = (typeof(__x))(typeof(__x-__x))atomic_cmpxchg( \ + (atomic_t *)(ptr), \ + (u32)(typeof((o)-(o)))(o), \ + (u32)(typeof((n)-(n)))(n)); \ + break; \ + case 8: \ + __x = (typeof(__x))(typeof(__x-__x))atomic64_cmpxchg( \ + (atomic64_t *)(ptr), \ + (u64)(typeof((o)-(o)))(o), \ + (u64)(typeof((n)-(n)))(n)); \ + break; \ + default: \ + __cmpxchg_called_with_bad_pointer(); \ + } \ + __x; \ + }) + #define tas(ptr) (xchg((ptr), 1)) #endif /* __ASSEMBLY__ */ diff --git a/arch/tile/include/asm/atomic_32.h b/arch/tile/include/asm/atomic_32.h index ed359aee8837..92a8bee32311 100644 --- a/arch/tile/include/asm/atomic_32.h +++ b/arch/tile/include/asm/atomic_32.h @@ -110,16 +110,6 @@ static inline void atomic_set(atomic_t *v, int n) _atomic_xchg(v, n); } -#define xchg(ptr, x) ((typeof(*(ptr))) \ - ((sizeof(*(ptr)) == sizeof(atomic_t)) ? \ - atomic_xchg((atomic_t *)(ptr), (long)(x)) : \ - __xchg_called_with_bad_pointer())) - -#define cmpxchg(ptr, o, n) ((typeof(*(ptr))) \ - ((sizeof(*(ptr)) == sizeof(atomic_t)) ? \ - atomic_cmpxchg((atomic_t *)(ptr), (long)(o), (long)(n)) : \ - __cmpxchg_called_with_bad_pointer())) - /* A 64bit atomic type */ typedef struct { diff --git a/arch/tile/include/asm/atomic_64.h b/arch/tile/include/asm/atomic_64.h new file mode 100644 index 000000000000..1c1e60d8ccb6 --- /dev/null +++ b/arch/tile/include/asm/atomic_64.h @@ -0,0 +1,156 @@ +/* + * Copyright 2011 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * Do not include directly; use <asm/atomic.h>. + */ + +#ifndef _ASM_TILE_ATOMIC_64_H +#define _ASM_TILE_ATOMIC_64_H + +#ifndef __ASSEMBLY__ + +#include <arch/spr_def.h> + +/* First, the 32-bit atomic ops that are "real" on our 64-bit platform. */ + +#define atomic_set(v, i) ((v)->counter = (i)) + +/* + * The smp_mb() operations throughout are to support the fact that + * Linux requires memory barriers before and after the operation, + * on any routine which updates memory and returns a value. + */ + +static inline int atomic_cmpxchg(atomic_t *v, int o, int n) +{ + int val; + __insn_mtspr(SPR_CMPEXCH_VALUE, o); + smp_mb(); /* barrier for proper semantics */ + val = __insn_cmpexch4((void *)&v->counter, n); + smp_mb(); /* barrier for proper semantics */ + return val; +} + +static inline int atomic_xchg(atomic_t *v, int n) +{ + int val; + smp_mb(); /* barrier for proper semantics */ + val = __insn_exch4((void *)&v->counter, n); + smp_mb(); /* barrier for proper semantics */ + return val; +} + +static inline void atomic_add(int i, atomic_t *v) +{ + __insn_fetchadd4((void *)&v->counter, i); +} + +static inline int atomic_add_return(int i, atomic_t *v) +{ + int val; + smp_mb(); /* barrier for proper semantics */ + val = __insn_fetchadd4((void *)&v->counter, i) + i; + barrier(); /* the "+ i" above will wait on memory */ + return val; +} + +static inline int atomic_add_unless(atomic_t *v, int a, int u) +{ + int guess, oldval = v->counter; + do { + if (oldval == u) + break; + guess = oldval; + oldval = atomic_cmpxchg(v, guess, guess + a); + } while (guess != oldval); + return oldval != u; +} + +/* Now the true 64-bit operations. */ + +#define ATOMIC64_INIT(i) { (i) } + +#define atomic64_read(v) ((v)->counter) +#define atomic64_set(v, i) ((v)->counter = (i)) + +static inline long atomic64_cmpxchg(atomic64_t *v, long o, long n) +{ + long val; + smp_mb(); /* barrier for proper semantics */ + __insn_mtspr(SPR_CMPEXCH_VALUE, o); + val = __insn_cmpexch((void *)&v->counter, n); + smp_mb(); /* barrier for proper semantics */ + return val; +} + +static inline long atomic64_xchg(atomic64_t *v, long n) +{ + long val; + smp_mb(); /* barrier for proper semantics */ + val = __insn_exch((void *)&v->counter, n); + smp_mb(); /* barrier for proper semantics */ + return val; +} + +static inline void atomic64_add(long i, atomic64_t *v) +{ + __insn_fetchadd((void *)&v->counter, i); +} + +static inline long atomic64_add_return(long i, atomic64_t *v) +{ + int val; + smp_mb(); /* barrier for proper semantics */ + val = __insn_fetchadd((void *)&v->counter, i) + i; + barrier(); /* the "+ i" above will wait on memory */ + return val; +} + +static inline long atomic64_add_unless(atomic64_t *v, long a, long u) +{ + long guess, oldval = v->counter; + do { + if (oldval == u) + break; + guess = oldval; + oldval = atomic64_cmpxchg(v, guess, guess + a); + } while (guess != oldval); + return oldval != u; +} + +#define atomic64_sub_return(i, v) atomic64_add_return(-(i), (v)) +#define atomic64_sub(i, v) atomic64_add(-(i), (v)) +#define atomic64_inc_return(v) atomic64_add_return(1, (v)) +#define atomic64_dec_return(v) atomic64_sub_return(1, (v)) +#define atomic64_inc(v) atomic64_add(1, (v)) +#define atomic64_dec(v) atomic64_sub(1, (v)) + +#define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) +#define atomic64_dec_and_test(v) (atomic64_dec_return(v) == 0) +#define atomic64_sub_and_test(i, v) (atomic64_sub_return((i), (v)) == 0) +#define atomic64_add_negative(i, v) (atomic64_add_return((i), (v)) < 0) + +#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) + +/* Atomic dec and inc don't implement barrier, so provide them if needed. */ +#define smp_mb__before_atomic_dec() smp_mb() +#define smp_mb__after_atomic_dec() smp_mb() +#define smp_mb__before_atomic_inc() smp_mb() +#define smp_mb__after_atomic_inc() smp_mb() + +/* Define this to indicate that cmpxchg is an efficient operation. */ +#define __HAVE_ARCH_CMPXCHG + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_TILE_ATOMIC_64_H */ diff --git a/arch/tile/include/asm/backtrace.h b/arch/tile/include/asm/backtrace.h index f18887d82399..bd5399a69edf 100644 --- a/arch/tile/include/asm/backtrace.h +++ b/arch/tile/include/asm/backtrace.h @@ -12,80 +12,41 @@ * more details. */ -#ifndef _TILE_BACKTRACE_H -#define _TILE_BACKTRACE_H - - +#ifndef _ASM_TILE_BACKTRACE_H +#define _ASM_TILE_BACKTRACE_H #include <linux/types.h> -#include <arch/chip.h> - -#if defined(__tile__) -typedef unsigned long VirtualAddress; -#elif CHIP_VA_WIDTH() > 32 -typedef unsigned long long VirtualAddress; -#else -typedef unsigned int VirtualAddress; -#endif - - -/** Reads 'size' bytes from 'address' and writes the data to 'result'. +/* Reads 'size' bytes from 'address' and writes the data to 'result'. * Returns true if successful, else false (e.g. memory not readable). */ typedef bool (*BacktraceMemoryReader)(void *result, - VirtualAddress address, + unsigned long address, unsigned int size, void *extra); typedef struct { - /** Current PC. */ - VirtualAddress pc; + /* Current PC. */ + unsigned long pc; - /** Current stack pointer value. */ - VirtualAddress sp; + /* Current stack pointer value. */ + unsigned long sp; - /** Current frame pointer value (i.e. caller's stack pointer) */ - VirtualAddress fp; + /* Current frame pointer value (i.e. caller's stack pointer) */ + unsigned long fp; - /** Internal use only: caller's PC for first frame. */ - VirtualAddress initial_frame_caller_pc; + /* Internal use only: caller's PC for first frame. */ + unsigned long initial_frame_caller_pc; - /** Internal use only: callback to read memory. */ + /* Internal use only: callback to read memory. */ BacktraceMemoryReader read_memory_func; - /** Internal use only: arbitrary argument to read_memory_func. */ + /* Internal use only: arbitrary argument to read_memory_func. */ void *read_memory_func_extra; } BacktraceIterator; -/** Initializes a backtracer to start from the given location. - * - * If the frame pointer cannot be determined it is set to -1. - * - * @param state The state to be filled in. - * @param read_memory_func A callback that reads memory. If NULL, a default - * value is provided. - * @param read_memory_func_extra An arbitrary argument to read_memory_func. - * @param pc The current PC. - * @param lr The current value of the 'lr' register. - * @param sp The current value of the 'sp' register. - * @param r52 The current value of the 'r52' register. - */ -extern void backtrace_init(BacktraceIterator *state, - BacktraceMemoryReader read_memory_func, - void *read_memory_func_extra, - VirtualAddress pc, VirtualAddress lr, - VirtualAddress sp, VirtualAddress r52); - - -/** Advances the backtracing state to the calling frame, returning - * true iff successful. - */ -extern bool backtrace_next(BacktraceIterator *state); - - typedef enum { /* We have no idea what the caller's pc is. */ @@ -138,7 +99,7 @@ enum { }; -/** Internal constants used to define 'info' operands. */ +/* Internal constants used to define 'info' operands. */ enum { /* 0 and 1 are reserved, as are all negative numbers. */ @@ -147,13 +108,10 @@ enum { CALLER_SP_IN_R52_BASE = 4, CALLER_SP_OFFSET_BASE = 8, - - /* Marks the entry point of certain functions. */ - ENTRY_POINT_INFO_OP = 16 }; -/** Current backtracer state describing where it thinks the caller is. */ +/* Current backtracer state describing where it thinks the caller is. */ typedef struct { /* * Public fields @@ -192,7 +150,13 @@ typedef struct { } CallerLocation; +extern void backtrace_init(BacktraceIterator *state, + BacktraceMemoryReader read_memory_func, + void *read_memory_func_extra, + unsigned long pc, unsigned long lr, + unsigned long sp, unsigned long r52); +extern bool backtrace_next(BacktraceIterator *state); -#endif /* _TILE_BACKTRACE_H */ +#endif /* _ASM_TILE_BACKTRACE_H */ diff --git a/arch/tile/include/asm/bitops.h b/arch/tile/include/asm/bitops.h index 132e6bbd07e9..16f1fa51fea1 100644 --- a/arch/tile/include/asm/bitops.h +++ b/arch/tile/include/asm/bitops.h @@ -122,6 +122,7 @@ static inline unsigned long __arch_hweight64(__u64 w) #include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/find.h> #include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/non-atomic.h> #include <asm-generic/bitops/le.h> #endif /* _ASM_TILE_BITOPS_H */ diff --git a/arch/tile/include/asm/bitops_32.h b/arch/tile/include/asm/bitops_32.h index 2638be51a164..d31ab905cfa7 100644 --- a/arch/tile/include/asm/bitops_32.h +++ b/arch/tile/include/asm/bitops_32.h @@ -126,7 +126,6 @@ static inline int test_and_change_bit(unsigned nr, #define smp_mb__before_clear_bit() smp_mb() #define smp_mb__after_clear_bit() do {} while (0) -#include <asm-generic/bitops/non-atomic.h> #include <asm-generic/bitops/ext2-atomic.h> #endif /* _ASM_TILE_BITOPS_32_H */ diff --git a/arch/tile/include/asm/bitops_64.h b/arch/tile/include/asm/bitops_64.h new file mode 100644 index 000000000000..99615e8d2d8b --- /dev/null +++ b/arch/tile/include/asm/bitops_64.h @@ -0,0 +1,105 @@ +/* + * Copyright 2011 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_BITOPS_64_H +#define _ASM_TILE_BITOPS_64_H + +#include <linux/compiler.h> +#include <asm/atomic.h> +#include <asm/system.h> + +/* See <asm/bitops.h> for API comments. */ + +static inline void set_bit(unsigned nr, volatile unsigned long *addr) +{ + unsigned long mask = (1UL << (nr % BITS_PER_LONG)); + __insn_fetchor((void *)(addr + nr / BITS_PER_LONG), mask); +} + +static inline void clear_bit(unsigned nr, volatile unsigned long *addr) +{ + unsigned long mask = (1UL << (nr % BITS_PER_LONG)); + __insn_fetchand((void *)(addr + nr / BITS_PER_LONG), ~mask); +} + +#define smp_mb__before_clear_bit() smp_mb() +#define smp_mb__after_clear_bit() smp_mb() + + +static inline void change_bit(unsigned nr, volatile unsigned long *addr) +{ + unsigned long old, mask = (1UL << (nr % BITS_PER_LONG)); + long guess, oldval; + addr += nr / BITS_PER_LONG; + old = *addr; + do { + guess = oldval; + oldval = atomic64_cmpxchg((atomic64_t *)addr, + guess, guess ^ mask); + } while (guess != oldval); +} + + +/* + * The test_and_xxx_bit() routines require a memory fence before we + * start the operation, and after the operation completes. We use + * smp_mb() before, and rely on the "!= 0" comparison, plus a compiler + * barrier(), to block until the atomic op is complete. + */ + +static inline int test_and_set_bit(unsigned nr, volatile unsigned long *addr) +{ + int val; + unsigned long mask = (1UL << (nr % BITS_PER_LONG)); + smp_mb(); /* barrier for proper semantics */ + val = (__insn_fetchor((void *)(addr + nr / BITS_PER_LONG), mask) + & mask) != 0; + barrier(); + return val; +} + + +static inline int test_and_clear_bit(unsigned nr, volatile unsigned long *addr) +{ + int val; + unsigned long mask = (1UL << (nr % BITS_PER_LONG)); + smp_mb(); /* barrier for proper semantics */ + val = (__insn_fetchand((void *)(addr + nr / BITS_PER_LONG), ~mask) + & mask) != 0; + barrier(); + return val; +} + + +static inline int test_and_change_bit(unsigned nr, + volatile unsigned long *addr) +{ + unsigned long mask = (1UL << (nr % BITS_PER_LONG)); + long guess, oldval = *addr; + addr += nr / BITS_PER_LONG; + oldval = *addr; + do { + guess = oldval; + oldval = atomic64_cmpxchg((atomic64_t *)addr, + guess, guess ^ mask); + } while (guess != oldval); + return (oldval & mask) != 0; +} + +#define ext2_set_bit_atomic(lock, nr, addr) \ + test_and_set_bit((nr), (unsigned long *)(addr)) +#define ext2_clear_bit_atomic(lock, nr, addr) \ + test_and_clear_bit((nr), (unsigned long *)(addr)) + +#endif /* _ASM_TILE_BITOPS_64_H */ diff --git a/arch/tile/include/asm/cacheflush.h b/arch/tile/include/asm/cacheflush.h index 12fb0fb330ee..e925f4bb498f 100644 --- a/arch/tile/include/asm/cacheflush.h +++ b/arch/tile/include/asm/cacheflush.h @@ -116,22 +116,28 @@ static inline void __finv_buffer(void *buffer, size_t size) } -/* Invalidate a VA range, then memory fence. */ +/* Invalidate a VA range and wait for it to be complete. */ static inline void inv_buffer(void *buffer, size_t size) { __inv_buffer(buffer, size); - mb_incoherent(); + mb(); } -/* Flush a VA range, then memory fence. */ -static inline void flush_buffer(void *buffer, size_t size) +/* + * Flush a locally-homecached VA range and wait for the evicted + * cachelines to hit memory. + */ +static inline void flush_buffer_local(void *buffer, size_t size) { __flush_buffer(buffer, size); mb_incoherent(); } -/* Flush & invalidate a VA range, then memory fence. */ -static inline void finv_buffer(void *buffer, size_t size) +/* + * Flush and invalidate a locally-homecached VA range and wait for the + * evicted cachelines to hit memory. + */ +static inline void finv_buffer_local(void *buffer, size_t size) { __finv_buffer(buffer, size); mb_incoherent(); diff --git a/arch/tile/include/asm/compat.h b/arch/tile/include/asm/compat.h index c3ae570c0a5d..bf95f55b82b0 100644 --- a/arch/tile/include/asm/compat.h +++ b/arch/tile/include/asm/compat.h @@ -215,8 +215,8 @@ struct compat_sigaction; struct compat_siginfo; struct compat_sigaltstack; long compat_sys_execve(const char __user *path, - const compat_uptr_t __user *argv, - const compat_uptr_t __user *envp, struct pt_regs *); + compat_uptr_t __user *argv, + compat_uptr_t __user *envp, struct pt_regs *); long compat_sys_rt_sigaction(int sig, struct compat_sigaction __user *act, struct compat_sigaction __user *oact, size_t sigsetsize); diff --git a/arch/tile/include/asm/dma-mapping.h b/arch/tile/include/asm/dma-mapping.h index 15e1dceecc64..eaa06d175b39 100644 --- a/arch/tile/include/asm/dma-mapping.h +++ b/arch/tile/include/asm/dma-mapping.h @@ -65,7 +65,8 @@ extern void dma_sync_single_range_for_cpu(struct device *, dma_addr_t, extern void dma_sync_single_range_for_device(struct device *, dma_addr_t, unsigned long offset, size_t, enum dma_data_direction); -extern void dma_cache_sync(void *vaddr, size_t, enum dma_data_direction); +extern void dma_cache_sync(struct device *dev, void *vaddr, size_t, + enum dma_data_direction); static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) diff --git a/arch/tile/include/asm/fb.h b/arch/tile/include/asm/fb.h new file mode 100644 index 000000000000..3a4988e8df45 --- /dev/null +++ b/arch/tile/include/asm/fb.h @@ -0,0 +1 @@ +#include <asm-generic/fb.h> diff --git a/arch/tile/include/asm/io.h b/arch/tile/include/asm/io.h index d3cbb9b14cbe..c9ea1652af03 100644 --- a/arch/tile/include/asm/io.h +++ b/arch/tile/include/asm/io.h @@ -52,6 +52,7 @@ extern void iounmap(volatile void __iomem *addr); #endif #define ioremap_nocache(physaddr, size) ioremap(physaddr, size) +#define ioremap_wc(physaddr, size) ioremap(physaddr, size) #define ioremap_writethrough(physaddr, size) ioremap(physaddr, size) #define ioremap_fullcache(physaddr, size) ioremap(physaddr, size) @@ -161,6 +162,15 @@ static inline void _tile_writeq(u64 val, unsigned long addr) #define iowrite32 writel #define iowrite64 writeq +static inline void memset_io(void *dst, int val, size_t len) +{ + int x; + BUG_ON((unsigned long)dst & 0x3); + val = (val & 0xff) * 0x01010101; + for (x = 0; x < len; x += 4) + writel(val, dst + x); +} + static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, size_t len) { @@ -269,6 +279,11 @@ static inline void outsl(unsigned long addr, const void *buffer, int count) ioport_panic(); } +#define ioread16be(addr) be16_to_cpu(ioread16(addr)) +#define ioread32be(addr) be32_to_cpu(ioread32(addr)) +#define iowrite16be(v, addr) iowrite16(be16_to_cpu(v), (addr)) +#define iowrite32be(v, addr) iowrite32(be32_to_cpu(v), (addr)) + #define ioread8_rep(p, dst, count) \ insb((unsigned long) (p), (dst), (count)) #define ioread16_rep(p, dst, count) \ @@ -283,4 +298,7 @@ static inline void outsl(unsigned long addr, const void *buffer, int count) #define iowrite32_rep(p, src, count) \ outsl((unsigned long) (p), (src), (count)) +#define virt_to_bus virt_to_phys +#define bus_to_virt phys_to_virt + #endif /* _ASM_TILE_IO_H */ diff --git a/arch/tile/include/asm/irq.h b/arch/tile/include/asm/irq.h index 572fd3ef1d73..94e9a511de84 100644 --- a/arch/tile/include/asm/irq.h +++ b/arch/tile/include/asm/irq.h @@ -23,6 +23,8 @@ /* IRQ numbers used for linux IPIs. */ #define IRQ_RESCHEDULE 1 +#define irq_canonicalize(irq) (irq) + void ack_bad_irq(unsigned int irq); /* diff --git a/arch/tile/include/asm/mmu_context.h b/arch/tile/include/asm/mmu_context.h index 9bc0d0725c28..15fb24641120 100644 --- a/arch/tile/include/asm/mmu_context.h +++ b/arch/tile/include/asm/mmu_context.h @@ -100,8 +100,8 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, __get_cpu_var(current_asid) = asid; /* Clear cpu from the old mm, and set it in the new one. */ - cpumask_clear_cpu(cpu, &prev->cpu_vm_mask); - cpumask_set_cpu(cpu, &next->cpu_vm_mask); + cpumask_clear_cpu(cpu, mm_cpumask(prev)); + cpumask_set_cpu(cpu, mm_cpumask(next)); /* Re-load page tables */ install_page_table(next->pgd, asid); diff --git a/arch/tile/include/asm/opcode-tile_32.h b/arch/tile/include/asm/opcode-tile_32.h index eda60ecbae3d..03df7b1e77bf 100644 --- a/arch/tile/include/asm/opcode-tile_32.h +++ b/arch/tile/include/asm/opcode-tile_32.h @@ -1502,5 +1502,12 @@ extern int parse_insn_tile(tile_bundle_bits bits, decoded[TILE_MAX_INSTRUCTIONS_PER_BUNDLE]); +/* Given a set of bundle bits and a specific pipe, returns which + * instruction the bundle contains in that pipe. + */ +extern const struct tile_opcode * +find_opcode(tile_bundle_bits bits, tile_pipeline pipe); + + #endif /* opcode_tile_h */ diff --git a/arch/tile/include/asm/opcode-tile_64.h b/arch/tile/include/asm/opcode-tile_64.h index eda60ecbae3d..c0633466cd5c 100644 --- a/arch/tile/include/asm/opcode-tile_64.h +++ b/arch/tile/include/asm/opcode-tile_64.h @@ -5,863 +5,711 @@ #ifndef opcode_tile_h #define opcode_tile_h -typedef unsigned long long tile_bundle_bits; +typedef unsigned long long tilegx_bundle_bits; enum { - TILE_MAX_OPERANDS = 5 /* mm */ + TILEGX_MAX_OPERANDS = 4 /* bfexts */ }; typedef enum { - TILE_OPC_BPT, - TILE_OPC_INFO, - TILE_OPC_INFOL, - TILE_OPC_J, - TILE_OPC_JAL, - TILE_OPC_MOVE, - TILE_OPC_MOVE_SN, - TILE_OPC_MOVEI, - TILE_OPC_MOVEI_SN, - TILE_OPC_MOVELI, - TILE_OPC_MOVELI_SN, - TILE_OPC_MOVELIS, - TILE_OPC_PREFETCH, - TILE_OPC_RAISE, - TILE_OPC_ADD, - TILE_OPC_ADD_SN, - TILE_OPC_ADDB, - TILE_OPC_ADDB_SN, - TILE_OPC_ADDBS_U, - TILE_OPC_ADDBS_U_SN, - TILE_OPC_ADDH, - TILE_OPC_ADDH_SN, - TILE_OPC_ADDHS, - TILE_OPC_ADDHS_SN, - TILE_OPC_ADDI, - TILE_OPC_ADDI_SN, - TILE_OPC_ADDIB, - TILE_OPC_ADDIB_SN, - TILE_OPC_ADDIH, - TILE_OPC_ADDIH_SN, - TILE_OPC_ADDLI, - TILE_OPC_ADDLI_SN, - TILE_OPC_ADDLIS, - TILE_OPC_ADDS, - TILE_OPC_ADDS_SN, - TILE_OPC_ADIFFB_U, - TILE_OPC_ADIFFB_U_SN, - TILE_OPC_ADIFFH, - TILE_OPC_ADIFFH_SN, - TILE_OPC_AND, - TILE_OPC_AND_SN, - TILE_OPC_ANDI, - TILE_OPC_ANDI_SN, - TILE_OPC_AULI, - TILE_OPC_AVGB_U, - TILE_OPC_AVGB_U_SN, - TILE_OPC_AVGH, - TILE_OPC_AVGH_SN, - TILE_OPC_BBNS, - TILE_OPC_BBNS_SN, - TILE_OPC_BBNST, - TILE_OPC_BBNST_SN, - TILE_OPC_BBS, - TILE_OPC_BBS_SN, - TILE_OPC_BBST, - TILE_OPC_BBST_SN, - TILE_OPC_BGEZ, - TILE_OPC_BGEZ_SN, - TILE_OPC_BGEZT, - TILE_OPC_BGEZT_SN, - TILE_OPC_BGZ, - TILE_OPC_BGZ_SN, - TILE_OPC_BGZT, - TILE_OPC_BGZT_SN, - TILE_OPC_BITX, - TILE_OPC_BITX_SN, - TILE_OPC_BLEZ, - TILE_OPC_BLEZ_SN, - TILE_OPC_BLEZT, - TILE_OPC_BLEZT_SN, - TILE_OPC_BLZ, - TILE_OPC_BLZ_SN, - TILE_OPC_BLZT, - TILE_OPC_BLZT_SN, - TILE_OPC_BNZ, - TILE_OPC_BNZ_SN, - TILE_OPC_BNZT, - TILE_OPC_BNZT_SN, - TILE_OPC_BYTEX, - TILE_OPC_BYTEX_SN, - TILE_OPC_BZ, - TILE_OPC_BZ_SN, - TILE_OPC_BZT, - TILE_OPC_BZT_SN, - TILE_OPC_CLZ, - TILE_OPC_CLZ_SN, - TILE_OPC_CRC32_32, - TILE_OPC_CRC32_32_SN, - |