diff options
28 files changed, 34 insertions, 1121 deletions
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig index b2be42524483..6e1ed55f6cfc 100644 --- a/arch/tile/Kconfig +++ b/arch/tile/Kconfig @@ -207,7 +207,7 @@ config SYSVIPC_COMPAT def_bool y depends on COMPAT && SYSVIPC -# We do not currently support disabling HIGHMEM on tile64 and tilepro. +# We do not currently support disabling HIGHMEM on tilepro. config HIGHMEM bool # "Support for more than 512 MB of RAM" default !TILEGX diff --git a/arch/tile/include/asm/atomic_32.h b/arch/tile/include/asm/atomic_32.h index e7fb5cfb9597..96156f5ba640 100644 --- a/arch/tile/include/asm/atomic_32.h +++ b/arch/tile/include/asm/atomic_32.h @@ -252,21 +252,6 @@ static inline void atomic64_set(atomic64_t *v, u64 n) * Internal definitions only beyond this point. */ -#define ATOMIC_LOCKS_FOUND_VIA_TABLE() \ - (!CHIP_HAS_CBOX_HOME_MAP() && defined(CONFIG_SMP)) - -#if ATOMIC_LOCKS_FOUND_VIA_TABLE() - -/* Number of entries in atomic_lock_ptr[]. */ -#define ATOMIC_HASH_L1_SHIFT 6 -#define ATOMIC_HASH_L1_SIZE (1 << ATOMIC_HASH_L1_SHIFT) - -/* Number of locks in each struct pointed to by atomic_lock_ptr[]. */ -#define ATOMIC_HASH_L2_SHIFT (CHIP_L2_LOG_LINE_SIZE() - 2) -#define ATOMIC_HASH_L2_SIZE (1 << ATOMIC_HASH_L2_SHIFT) - -#else /* ATOMIC_LOCKS_FOUND_VIA_TABLE() */ - /* * Number of atomic locks in atomic_locks[]. Must be a power of two. * There is no reason for more than PAGE_SIZE / 8 entries, since that @@ -281,8 +266,6 @@ static inline void atomic64_set(atomic64_t *v, u64 n) extern int atomic_locks[]; #endif -#endif /* ATOMIC_LOCKS_FOUND_VIA_TABLE() */ - /* * All the code that may fault while holding an atomic lock must * place the pointer to the lock in ATOMIC_LOCK_REG so the fault code diff --git a/arch/tile/include/asm/barrier.h b/arch/tile/include/asm/barrier.h index 990a217a0b72..a9a73da5865d 100644 --- a/arch/tile/include/asm/barrier.h +++ b/arch/tile/include/asm/barrier.h @@ -77,7 +77,6 @@ #define __sync() __insn_mf() -#if !CHIP_HAS_MF_WAITS_FOR_VICTIMS() #include <hv/syscall_public.h> /* * Issue an uncacheable load to each memory controller, then @@ -96,7 +95,6 @@ static inline void __mb_incoherent(void) "r20", "r21", "r22", "r23", "r24", "r25", "r26", "r27", "r28", "r29"); } -#endif /* Fence to guarantee visibility of stores to incoherent memory. */ static inline void @@ -104,7 +102,6 @@ mb_incoherent(void) { __insn_mf(); -#if !CHIP_HAS_MF_WAITS_FOR_VICTIMS() { #if CHIP_HAS_TILE_WRITE_PENDING() const unsigned long WRITE_TIMEOUT_CYCLES = 400; @@ -116,7 +113,6 @@ mb_incoherent(void) #endif /* CHIP_HAS_TILE_WRITE_PENDING() */ (void) __mb_incoherent(); } -#endif /* CHIP_HAS_MF_WAITS_FOR_VICTIMS() */ } #define fast_wmb() __sync() diff --git a/arch/tile/include/asm/elf.h b/arch/tile/include/asm/elf.h index e1da88e8aa9f..41d9878a9686 100644 --- a/arch/tile/include/asm/elf.h +++ b/arch/tile/include/asm/elf.h @@ -30,7 +30,6 @@ typedef unsigned long elf_greg_t; #define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t)) typedef elf_greg_t elf_gregset_t[ELF_NGREG]; -#define EM_TILE64 187 #define EM_TILEPRO 188 #define EM_TILEGX 191 diff --git a/arch/tile/include/asm/homecache.h b/arch/tile/include/asm/homecache.h index 49d19dfc0630..7ddd1b8d6910 100644 --- a/arch/tile/include/asm/homecache.h +++ b/arch/tile/include/asm/homecache.h @@ -33,8 +33,7 @@ struct zone; /* * Is this page immutable (unwritable) and thus able to be cached more - * widely than would otherwise be possible? On tile64 this means we - * mark the PTE to cache locally; on tilepro it means we have "nc" set. + * widely than would otherwise be possible? This means we have "nc" set. */ #define PAGE_HOME_IMMUTABLE -2 diff --git a/arch/tile/include/asm/processor.h b/arch/tile/include/asm/processor.h index 5aa54319d2ef..42323636c459 100644 --- a/arch/tile/include/asm/processor.h +++ b/arch/tile/include/asm/processor.h @@ -113,18 +113,14 @@ struct thread_struct { unsigned long intctrl_0; /* Is this task currently doing a backtrace? */ bool in_backtrace; -#if CHIP_HAS_PROC_STATUS_SPR() /* Any other miscellaneous processor state bits */ unsigned long proc_status; -#endif #if !CHIP_HAS_FIXED_INTVEC_BASE() /* Interrupt base for PL0 interrupts */ unsigned long interrupt_vector_base; #endif -#if CHIP_HAS_TILE_RTF_HWM() /* Tile cache retry fifo high-water mark */ unsigned long tile_rtf_hwm; -#endif #if CHIP_HAS_DSTREAM_PF() /* Data stream prefetch control */ unsigned long dstream_pf; @@ -137,12 +133,6 @@ struct thread_struct { /* Async DMA TLB fault information */ struct async_tlb dma_async_tlb; #endif -#if CHIP_HAS_SN_PROC() - /* Was static network processor when we were switched out? */ - int sn_proc_running; - /* Async SNI TLB fault information */ - struct async_tlb sn_async_tlb; -#endif }; #endif /* !__ASSEMBLY__ */ @@ -286,7 +276,6 @@ extern char chip_model[64]; /* Data on which physical memory controller corresponds to which NUMA node. */ extern int node_controller[]; -#if CHIP_HAS_CBOX_HOME_MAP() /* Does the heap allocator return hash-for-home pages by default? */ extern int hash_default; @@ -296,11 +285,6 @@ extern int kstack_hash; /* Does MAP_ANONYMOUS return hash-for-home pages by default? */ #define uheap_hash hash_default -#else -#define hash_default 0 -#define kstack_hash 0 -#define uheap_hash 0 -#endif /* Are we using huge pages in the TLB for kernel data? */ extern int kdata_huge; diff --git a/arch/tile/include/asm/smp.h b/arch/tile/include/asm/smp.h index 1aa759aeb5b3..9a326b64f7ae 100644 --- a/arch/tile/include/asm/smp.h +++ b/arch/tile/include/asm/smp.h @@ -101,10 +101,8 @@ void print_disabled_cpus(void); extern struct cpumask cpu_lotar_map; #define cpu_is_valid_lotar(cpu) cpumask_test_cpu((cpu), &cpu_lotar_map) -#if CHIP_HAS_CBOX_HOME_MAP() /* Which processors are used for hash-for-home mapping */ extern struct cpumask hash_for_home_map; -#endif /* Which cpus can have their cache flushed by hv_flush_remote(). */ extern struct cpumask cpu_cacheable_map; diff --git a/arch/tile/include/asm/traps.h b/arch/tile/include/asm/traps.h index 5f172b2403a6..4b99a1c3aab2 100644 --- a/arch/tile/include/asm/traps.h +++ b/arch/tile/include/asm/traps.h @@ -21,7 +21,7 @@ /* mm/fault.c */ void do_page_fault(struct pt_regs *, int fault_num, unsigned long address, unsigned long write); -#if CHIP_HAS_TILE_DMA() || CHIP_HAS_SN_PROC() +#if CHIP_HAS_TILE_DMA() void do_async_page_fault(struct pt_regs *); #endif diff --git a/arch/tile/include/uapi/arch/Kbuild b/arch/tile/include/uapi/arch/Kbuild index 4ebc34f4768d..97dfbecec6b6 100644 --- a/arch/tile/include/uapi/arch/Kbuild +++ b/arch/tile/include/uapi/arch/Kbuild @@ -1,7 +1,6 @@ # UAPI Header export list header-y += abi.h header-y += chip.h -header-y += chip_tile64.h header-y += chip_tilegx.h header-y += chip_tilepro.h header-y += icache.h diff --git a/arch/tile/include/uapi/arch/chip.h b/arch/tile/include/uapi/arch/chip.h index 926d3db0e91e..4c91f90b9369 100644 --- a/arch/tile/include/uapi/arch/chip.h +++ b/arch/tile/include/uapi/arch/chip.h @@ -12,9 +12,7 @@ * more details. */ -#if __tile_chip__ == 0 -#include <arch/chip_tile64.h> -#elif __tile_chip__ == 1 +#if __tile_chip__ == 1 #include <arch/chip_tilepro.h> #elif defined(__tilegx__) #include <arch/chip_tilegx.h> diff --git a/arch/tile/include/uapi/arch/chip_tile64.h b/arch/tile/include/uapi/arch/chip_tile64.h deleted file mode 100644 index 261aaba092d4..000000000000 --- a/arch/tile/include/uapi/arch/chip_tile64.h +++ /dev/null @@ -1,258 +0,0 @@ -/* - * Copyright 2010 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. - */ - -/* - * @file - * Global header file. - * This header file specifies defines for TILE64. - */ - -#ifndef __ARCH_CHIP_H__ -#define __ARCH_CHIP_H__ - -/** Specify chip version. - * When possible, prefer the CHIP_xxx symbols below for future-proofing. - * This is intended for cross-compiling; native compilation should - * use the predefined __tile_chip__ symbol. - */ -#define TILE_CHIP 0 - -/** Specify chip revision. - * This provides for the case of a respin of a particular chip type; - * the normal value for this symbol is "0". - * This is intended for cross-compiling; native compilation should - * use the predefined __tile_chip_rev__ symbol. - */ -#define TILE_CHIP_REV 0 - -/** The name of this architecture. */ -#define CHIP_ARCH_NAME "tile64" - -/** The ELF e_machine type for binaries for this chip. */ -#define CHIP_ELF_TYPE() EM_TILE64 - -/** The alternate ELF e_machine type for binaries for this chip. */ -#define CHIP_COMPAT_ELF_TYPE() 0x2506 - -/** What is the native word size of the machine? */ -#define CHIP_WORD_SIZE() 32 - -/** How many bits of a virtual address are used. Extra bits must be - * the sign extension of the low bits. - */ -#define CHIP_VA_WIDTH() 32 - -/** How many bits are in a physical address? */ -#define CHIP_PA_WIDTH() 36 - -/** Size of the L2 cache, in bytes. */ -#define CHIP_L2_CACHE_SIZE() 65536 - -/** Log size of an L2 cache line in bytes. */ -#define CHIP_L2_LOG_LINE_SIZE() 6 - -/** Size of an L2 cache line, in bytes. */ -#define CHIP_L2_LINE_SIZE() (1 << CHIP_L2_LOG_LINE_SIZE()) - -/** Associativity of the L2 cache. */ -#define CHIP_L2_ASSOC() 2 - -/** Size of the L1 data cache, in bytes. */ -#define CHIP_L1D_CACHE_SIZE() 8192 - -/** Log size of an L1 data cache line in bytes. */ -#define CHIP_L1D_LOG_LINE_SIZE() 4 - -/** Size of an L1 data cache line, in bytes. */ -#define CHIP_L1D_LINE_SIZE() (1 << CHIP_L1D_LOG_LINE_SIZE()) - -/** Associativity of the L1 data cache. */ -#define CHIP_L1D_ASSOC() 2 - -/** Size of the L1 instruction cache, in bytes. */ -#define CHIP_L1I_CACHE_SIZE() 8192 - -/** Log size of an L1 instruction cache line in bytes. */ -#define CHIP_L1I_LOG_LINE_SIZE() 6 - -/** Size of an L1 instruction cache line, in bytes. */ -#define CHIP_L1I_LINE_SIZE() (1 << CHIP_L1I_LOG_LINE_SIZE()) - -/** Associativity of the L1 instruction cache. */ -#define CHIP_L1I_ASSOC() 1 - -/** Stride with which flush instructions must be issued. */ -#define CHIP_FLUSH_STRIDE() CHIP_L2_LINE_SIZE() - -/** Stride with which inv instructions must be issued. */ -#define CHIP_INV_STRIDE() CHIP_L1D_LINE_SIZE() - -/** Stride with which finv instructions must be issued. */ -#define CHIP_FINV_STRIDE() CHIP_L1D_LINE_SIZE() - -/** Can the local cache coherently cache data that is homed elsewhere? */ -#define CHIP_HAS_COHERENT_LOCAL_CACHE() 0 - -/** How many simultaneous outstanding victims can the L2 cache have? */ -#define CHIP_MAX_OUTSTANDING_VICTIMS() 2 - -/** Does the TLB support the NC and NOALLOC bits? */ -#define CHIP_HAS_NC_AND_NOALLOC_BITS() 0 - -/** Does the chip support hash-for-home caching? */ -#define CHIP_HAS_CBOX_HOME_MAP() 0 - -/** Number of entries in the chip's home map tables. */ -/* #define CHIP_CBOX_HOME_MAP_SIZE() -- does not apply to chip 0 */ - -/** Do uncacheable requests miss in the cache regardless of whether - * there is matching data? */ -#define CHIP_HAS_ENFORCED_UNCACHEABLE_REQUESTS() 0 - -/** Does the mf instruction wait for victims? */ -#define CHIP_HAS_MF_WAITS_FOR_VICTIMS() 1 - -/** Does the chip have an "inv" instruction that doesn't also flush? */ -#define CHIP_HAS_INV() 0 - -/** Does the chip have a "wh64" instruction? */ -#define CHIP_HAS_WH64() 0 - -/** Does this chip have a 'dword_align' instruction? */ -#define CHIP_HAS_DWORD_ALIGN() 0 - -/** Number of performance counters. */ -#define CHIP_PERFORMANCE_COUNTERS() 2 - -/** Does this chip have auxiliary performance counters? */ -#define CHIP_HAS_AUX_PERF_COUNTERS() 0 - -/** Is the CBOX_MSR1 SPR supported? */ -#define CHIP_HAS_CBOX_MSR1() 0 - -/** Is the TILE_RTF_HWM SPR supported? */ -#define CHIP_HAS_TILE_RTF_HWM() 0 - -/** Is the TILE_WRITE_PENDING SPR supported? */ -#define CHIP_HAS_TILE_WRITE_PENDING() 0 - -/** Is the PROC_STATUS SPR supported? */ -#define CHIP_HAS_PROC_STATUS_SPR() 0 - -/** Is the DSTREAM_PF SPR supported? */ -#define CHIP_HAS_DSTREAM_PF() 0 - -/** Log of the number of mshims we have. */ -#define CHIP_LOG_NUM_MSHIMS() 2 - -/** Are the bases of the interrupt vector areas fixed? */ -#define CHIP_HAS_FIXED_INTVEC_BASE() 1 - -/** Are the interrupt masks split up into 2 SPRs? */ -#define CHIP_HAS_SPLIT_INTR_MASK() 1 - -/** Is the cycle count split up into 2 SPRs? */ -#define CHIP_HAS_SPLIT_CYCLE() 1 - -/** Does the chip have a static network? */ -#define CHIP_HAS_SN() 1 - -/** Does the chip have a static network processor? */ -#define CHIP_HAS_SN_PROC() 1 - -/** Size of the L1 static network processor instruction cache, in bytes. */ -#define CHIP_L1SNI_CACHE_SIZE() 2048 - -/** Does the chip have DMA support in each tile? */ -#define CHIP_HAS_TILE_DMA() 1 - -/** Does the chip have the second revision of the directly accessible - * dynamic networks? This encapsulates a number of characteristics, - * including the absence of the catch-all, the absence of inline message - * tags, the absence of support for network context-switching, and so on. - */ -#define CHIP_HAS_REV1_XDN() 0 - -/** Does the chip have cmpexch and similar (fetchadd, exch, etc.)? */ -#define CHIP_HAS_CMPEXCH() 0 - -/** Does the chip have memory-mapped I/O support? */ -#define CHIP_HAS_MMIO() 0 - -/** Does the chip have post-completion interrupts? */ -#define CHIP_HAS_POST_COMPLETION_INTERRUPTS() 0 - -/** Does the chip have native single step support? */ -#define CHIP_HAS_SINGLE_STEP() 0 - -#ifndef __OPEN_SOURCE__ /* features only relevant to hypervisor-level code */ - -/** How many entries are present in the instruction TLB? */ -#define CHIP_ITLB_ENTRIES() 8 - -/** How many entries are present in the data TLB? */ -#define CHIP_DTLB_ENTRIES() 16 - -/** How many MAF entries does the XAUI shim have? */ -#define CHIP_XAUI_MAF_ENTRIES() 16 - -/** Does the memory shim have a source-id table? */ -#define CHIP_HAS_MSHIM_SRCID_TABLE() 1 - -/** Does the L1 instruction cache clear on reset? */ -#define CHIP_HAS_L1I_CLEAR_ON_RESET() 0 - -/** Does the chip come out of reset with valid coordinates on all tiles? - * Note that if defined, this also implies that the upper left is 1,1. - */ -#define CHIP_HAS_VALID_TILE_COORD_RESET() 0 - -/** Does the chip have unified packet formats? */ -#define CHIP_HAS_UNIFIED_PACKET_FORMATS() 0 - -/** Does the chip support write reordering? */ -#define CHIP_HAS_WRITE_REORDERING() 0 - -/** Does the chip support Y-X routing as well as X-Y? */ -#define CHIP_HAS_Y_X_ROUTING() 0 - -/** Is INTCTRL_3 managed with the correct MPL? */ -#define CHIP_HAS_INTCTRL_3_STATUS_FIX() 0 - -/** Is it possible to configure the chip to be big-endian? */ -#define CHIP_HAS_BIG_ENDIAN_CONFIG() 0 - -/** Is the CACHE_RED_WAY_OVERRIDDEN SPR supported? */ -#define CHIP_HAS_CACHE_RED_WAY_OVERRIDDEN() 0 - -/** Is the DIAG_TRACE_WAY SPR supported? */ -#define CHIP_HAS_DIAG_TRACE_WAY() 0 - -/** Is the MEM_STRIPE_CONFIG SPR supported? */ -#define CHIP_HAS_MEM_STRIPE_CONFIG() 0 - -/** Are the TLB_PERF SPRs supported? */ -#define CHIP_HAS_TLB_PERF() 0 - -/** Is the VDN_SNOOP_SHIM_CTL SPR supported? */ -#define CHIP_HAS_VDN_SNOOP_SHIM_CTL() 0 - -/** Does the chip support rev1 DMA packets? */ -#define CHIP_HAS_REV1_DMA_PACKETS() 0 - -/** Does the chip have an IPI shim? */ -#define CHIP_HAS_IPI() 0 - -#endif /* !__OPEN_SOURCE__ */ -#endif /* __ARCH_CHIP_H__ */ diff --git a/arch/tile/include/uapi/arch/spr_def_32.h b/arch/tile/include/uapi/arch/spr_def_32.h index c689446e6284..78daa3146d25 100644 --- a/arch/tile/include/uapi/arch/spr_def_32.h +++ b/arch/tile/include/uapi/arch/spr_def_32.h @@ -200,8 +200,6 @@ #define SPR_SIM_CONTROL 0x4e0c #define SPR_SNCTL 0x0805 #define SPR_SNCTL__FRZFABRIC_MASK 0x1 -#define SPR_SNCTL__FRZPROC_MASK 0x2 -#define SPR_SNPC 0x080b #define SPR_SNSTATIC 0x080c #define SPR_SYSTEM_SAVE_0_0 0x4b00 #define SPR_SYSTEM_SAVE_0_1 0x4b01 diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S index f084f1c7afde..088d5c141e68 100644 --- a/arch/tile/kernel/intvec_32.S +++ b/arch/tile/kernel/intvec_32.S @@ -32,12 +32,6 @@ #define PTREGS_OFFSET_SYSCALL PTREGS_OFFSET_REG(TREG_SYSCALL_NR) -#if !CHIP_HAS_WH64() - /* By making this an empty macro, we can use wh64 in the code. */ - .macro wh64 reg - .endm -#endif - .macro push_reg reg, ptr=sp, delta=-4 { sw \ptr, \reg @@ -325,18 +319,14 @@ intvec_\vecname: movei r3, -1 /* not used, but set for consistency */ } .else -#if CHIP_HAS_AUX_PERF_COUNTERS() .ifc \c_routine, op_handle_aux_perf_interrupt { mfspr r2, AUX_PERF_COUNT_STS movei r3, -1 /* not used, but set for consistency */ } .else -#endif movei r3, 0 -#if CHIP_HAS_AUX_PERF_COUNTERS() .endif -#endif .endif .endif .endif @@ -561,7 +551,6 @@ intvec_\vecname: .endif mtspr INTERRUPT_CRITICAL_SECTION, zero -#if CHIP_HAS_WH64() /* * Prepare the first 256 stack bytes to be rapidly accessible * without having to fetch the background data. We don't really @@ -582,7 +571,6 @@ intvec_\vecname: addi r52, r52, -64 } wh64 r52 -#endif #ifdef CONFIG_TRACE_IRQFLAGS .ifnc \function,handle_nmi @@ -1533,12 +1521,10 @@ STD_ENTRY(_sys_clone) __HEAD .align 64 /* Align much later jump on the start of a cache line. */ -#if !ATOMIC_LOCKS_FOUND_VIA_TABLE() nop #if PAGE_SIZE >= 0x10000 nop #endif -#endif ENTRY(sys_cmpxchg) /* @@ -1572,45 +1558,6 @@ ENTRY(sys_cmpxchg) # error Code here assumes PAGE_OFFSET can be loaded with just hi16() #endif -#if ATOMIC_LOCKS_FOUND_VIA_TABLE() - { - /* Check for unaligned input. */ - bnz sp, .Lcmpxchg_badaddr - mm r25, r0, zero, 3, PAGE_SHIFT-1 - } - { - crc32_32 r25, zero, r25 - moveli r21, lo16(atomic_lock_ptr) - } - { - auli r21, r21, ha16(atomic_lock_ptr) - auli r23, zero, hi16(PAGE_OFFSET) /* hugepage-aligned */ - } - { - shri r20, r25, 32 - ATOMIC_HASH_L1_SHIFT - slt_u r23, r0, r23 - lw r26, r0 /* see comment in the "#else" for the "lw r26". */ - } - { - s2a r21, r20, r21 - bbns r23, .Lcmpxchg_badaddr - } - { - lw r21, r21 - seqi r23, TREG_SYSCALL_NR_NAME, __NR_FAST_cmpxchg64 - andi r25, r25, ATOMIC_HASH_L2_SIZE - 1 - } - { - /* Branch away at this point if we're doing a 64-bit cmpxchg. */ - bbs r23, .Lcmpxchg64 - andi r23, r0, 7 /* Precompute alignment for cmpxchg64. */ - } - { - s2a ATOMIC_LOCK_REG_NAME, r25, r21 - j .Lcmpxchg32_tns /* see comment in the #else for the jump. */ - } - -#else /* ATOMIC_LOCKS_FOUND_VIA_TABLE() */ { /* Check for unaligned input. */ bnz sp, .Lcmpxchg_badaddr @@ -1635,12 +1582,9 @@ ENTRY(sys_cmpxchg) /* * Ensure that the TLB is loaded before we take out the lock. - * On tilepro, this will start fetching the value all the way - * into our L1 as well (and if it gets modified before we - * grab the lock, it will be invalidated from our cache - * before we reload it). On tile64, we'll start fetching it - * into our L1 if we're the home, and if we're not, we'll - * still at least start fetching it into the home's L2. + * This will start fetching the value all the way into our L1 + * as well (and if it gets modified before we grab the lock, + * it will be invalidated from our cache before we reload it). */ lw r26, r0 } @@ -1683,8 +1627,6 @@ ENTRY(sys_cmpxchg) j .Lcmpxchg32_tns } -#endif /* ATOMIC_LOCKS_FOUND_VIA_TABLE() */ - /* Symbol for do_page_fault_ics() to use to compare against the PC. */ .global __sys_cmpxchg_grab_lock __sys_cmpxchg_grab_lock: @@ -1822,9 +1764,6 @@ __sys_cmpxchg_grab_lock: .align 64 .Lcmpxchg64: { -#if ATOMIC_LOCKS_FOUND_VIA_TABLE() - s2a ATOMIC_LOCK_REG_NAME, r25, r21 -#endif bzt r23, .Lcmpxchg64_tns } j .Lcmpxchg_badaddr @@ -1959,10 +1898,8 @@ int_unalign: do_page_fault int_hand INT_SN_CPL, SN_CPL, bad_intr int_hand INT_DOUBLE_FAULT, DOUBLE_FAULT, do_trap -#if CHIP_HAS_AUX_PERF_COUNTERS() int_hand INT_AUX_PERF_COUNT, AUX_PERF_COUNT, \ op_handle_aux_perf_interrupt, handle_nmi -#endif /* Synthetic interrupt delivered only by the simulator */ int_hand INT_BREAKPOINT, BREAKPOINT, do_breakpoint diff --git a/arch/tile/kernel/intvec_64.S b/arch/tile/kernel/intvec_64.S index c3a2335fa6a8..ec755d3f3734 100644 --- a/arch/tile/kernel/intvec_64.S +++ b/arch/tile/kernel/intvec_64.S @@ -511,12 +511,10 @@ intvec_\vecname: .else .ifc \c_routine, op_handle_perf_interrupt mfspr r2, PERF_COUNT_STS -#if CHIP_HAS_AUX_PERF_COUNTERS() .else .ifc \c_routine, op_handle_aux_perf_interrupt mfspr r2, AUX_PERF_COUNT_STS .endif -#endif .endif .endif .endif diff --git a/arch/tile/kernel/irq.c b/arch/tile/kernel/irq.c index 0e6c521b8a89..d8ba06058fd0 100644 --- a/arch/tile/kernel/irq.c +++ b/arch/tile/kernel/irq.c @@ -74,7 +74,7 @@ static DEFINE_SPINLOCK(available_irqs_lock); /* * The interrupt handling path, implemented in terms of HV interrupt - * emulation on TILE64 and TILEPro, and IPI hardware on TILE-Gx. + * emulation on TILEPro, and IPI hardware on TILE-Gx. * Entered with interrupts disabled. */ void tile_dev_intr(struct pt_regs *regs, int intnum) @@ -235,7 +235,7 @@ void tile_irq_activate(unsigned int irq, int tile_irq_type) { /* * We use handle_level_irq() by default because the pending - * interrupt vector (whether modeled by the HV on TILE64 and + * interrupt vector (whether modeled by the HV on * TILEPro or implemented in hardware on TILE-Gx) has * level-style semantics for each bit. An interrupt fires * whenever a bit is high, not just at edges. diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c index 44cdc4aa59e8..16ed58948757 100644 --- a/arch/tile/kernel/process.c +++ b/arch/tile/kernel/process.c @@ -187,16 +187,8 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, memset(&p->thread.dma_async_tlb, 0, sizeof(struct async_tlb)); #endif -#if CHIP_HAS_SN_PROC() - /* Likewise, the new thread is not running static processor code. */ - p->thread.sn_proc_running = 0; - memset(&p->thread.sn_async_tlb, 0, sizeof(struct async_tlb)); -#endif - -#if CHIP_HAS_PROC_STATUS_SPR() /* New thread has its miscellaneous processor state bits clear. */ p->thread.proc_status = 0; -#endif #ifdef CONFIG_HARDWALL /* New thread does not own any networks. */ @@ -378,15 +370,11 @@ static void save_arch_state(struct thread_struct *t) t->system_save[2] = __insn_mfspr(SPR_SYSTEM_SAVE_0_2); t->system_save[3] = __insn_mfspr(SPR_SYSTEM_SAVE_0_3); t->intctrl_0 = __insn_mfspr(SPR_INTCTRL_0_STATUS); -#if CHIP_HAS_PROC_STATUS_SPR() t->proc_status = __insn_mfspr(SPR_PROC_STATUS); -#endif #if !CHIP_HAS_FIXED_INTVEC_BASE() t->interrupt_vector_base = __insn_mfspr(SPR_INTERRUPT_VECTOR_BASE_0); #endif -#if CHIP_HAS_TILE_RTF_HWM() t->tile_rtf_hwm = __insn_mfspr(SPR_TILE_RTF_HWM); -#endif #if CHIP_HAS_DSTREAM_PF() t->dstream_pf = __insn_mfspr(SPR_DSTREAM_PF); #endif @@ -407,15 +395,11 @@ static void restore_arch_state(const struct thread_struct *t) __insn_mtspr(SPR_SYSTEM_SAVE_0_2, t->system_save[2]); __insn_mtspr(SPR_SYSTEM_SAVE_0_3, t->system_save[3]); __insn_mtspr(SPR_INTCTRL_0_STATUS, t->intctrl_0); -#if CHIP_HAS_PROC_STATUS_SPR() __insn_mtspr(SPR_PROC_STATUS, t->proc_status); -#endif #if !CHIP_HAS_FIXED_INTVEC_BASE() __insn_mtspr(SPR_INTERRUPT_VECTOR_BASE_0, t->interrupt_vector_base); #endif -#if CHIP_HAS_TILE_RTF_HWM() __insn_mtspr(SPR_TILE_RTF_HWM, t->tile_rtf_hwm); -#endif #if CHIP_HAS_DSTREAM_PF() __insn_mtspr(SPR_DSTREAM_PF, t->dstream_pf); #endif @@ -424,26 +408,11 @@ static void restore_arch_state(const struct thread_struct *t) void _prepare_arch_switch(struct task_struct *next) { -#if CHIP_HAS_SN_PROC() - int snctl; -#endif #if CHIP_HAS_TILE_DMA() struct tile_dma_state *dma = ¤t->thread.tile_dma_state; if (dma->enabled) save_tile_dma_state(dma); #endif -#if CHIP_HAS_SN_PROC() - /* - * Suspend the static network processor if it was running. - * We do not suspend the fabric itself, just like we don't - * try to suspend the UDN. - */ - snctl = __insn_mfspr(SPR_SNCTL); - current->thread.sn_proc_running = - (snctl & SPR_SNCTL__FRZPROC_MASK) == 0; - if (current->thread.sn_proc_running) - __insn_mtspr(SPR_SNCTL, snctl | SPR_SNCTL__FRZPROC_MASK); -#endif } @@ -471,17 +440,6 @@ struct task_struct *__sched _switch_to(struct task_struct *prev, /* Restore other arch state. */ restore_arch_state(&next->thread); -#if CHIP_HAS_SN_PROC() - /* - * Restart static network processor in the new process - * if it was running before. - */ - if (next->thread.sn_proc_running) { - int snctl = __insn_mfspr(SPR_SNCTL); - __insn_mtspr(SPR_SNCTL, snctl & ~SPR_SNCTL__FRZPROC_MASK); - } -#endif - #ifdef CONFIG_HARDWALL /* Enable or disable access to the network registers appropriately. */ hardwall_switch_tasks(prev, next); @@ -523,7 +481,7 @@ int do_work_pending(struct pt_regs *regs, u32 thread_info_flags) schedule(); return 1; } -#if CHIP_HAS_TILE_DMA() || CHIP_HAS_SN_PROC() +#if CHIP_HAS_TILE_DMA() if (thread_info_flags & _TIF_ASYNC_TLB) { do_async_page_fault(regs); return 1; diff --git a/arch/tile/kernel/relocate_kernel_32.S b/arch/tile/kernel/relocate_kernel_32.S index f7fd37b64a78..e44fbcf8cbd5 100644 --- a/arch/tile/kernel/relocate_kernel_32.S +++ b/arch/tile/kernel/relocate_kernel_32.S @@ -77,7 +77,6 @@ STD_ENTRY(relocate_new_kernel) move r30, sp addi sp, sp, -8 -#if CHIP_HAS_CBOX_HOME_MAP() |