arch/tile/include/uapi/arch/chip_tilepro.h - kernel/bruno - Git at Google

 /*
  * 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 TILEPro.
  */

 #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 1

 /** 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 "tilepro"

 /** The ELF e_machine type for binaries for this chip. */
 #define CHIP_ELF_TYPE() EM_TILEPRO

 /** The alternate ELF e_machine type for binaries for this chip. */
 #define CHIP_COMPAT_ELF_TYPE() 0x2507

 /** 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() 4

 /** 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() 16384

 /** 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_L2_LINE_SIZE()

 /** Stride with which finv instructions must be issued. */
 #define CHIP_FINV_STRIDE() CHIP_L2_LINE_SIZE()

 /** Can the local cache coherently cache data that is homed elsewhere? */
 #define CHIP_HAS_COHERENT_LOCAL_CACHE() 1

 /** How many simultaneous outstanding victims can the L2 cache have? */
 #define CHIP_MAX_OUTSTANDING_VICTIMS() 4

 /** Does the TLB support the NC and NOALLOC bits? */
 #define CHIP_HAS_NC_AND_NOALLOC_BITS() 1

 /** Does the chip support hash-for-home caching? */
 #define CHIP_HAS_CBOX_HOME_MAP() 1

 /** Number of entries in the chip's home map tables. */
 #define CHIP_CBOX_HOME_MAP_SIZE() 64

 /** Do uncacheable requests miss in the cache regardless of whether
  * there is matching data? */
 #define CHIP_HAS_ENFORCED_UNCACHEABLE_REQUESTS() 1

 /** Does the mf instruction wait for victims? */
 #define CHIP_HAS_MF_WAITS_FOR_VICTIMS() 0

 /** Does the chip have an "inv" instruction that doesn't also flush? */
 #define CHIP_HAS_INV() 1

 /** Does the chip have a "wh64" instruction? */
 #define CHIP_HAS_WH64() 1

 /** Does this chip have a 'dword_align' instruction? */
 #define CHIP_HAS_DWORD_ALIGN() 1

 /** Number of performance counters. */
 #define CHIP_PERFORMANCE_COUNTERS() 4

 /** Does this chip have auxiliary performance counters? */
 #define CHIP_HAS_AUX_PERF_COUNTERS() 1

 /** Is the CBOX_MSR1 SPR supported? */
 #define CHIP_HAS_CBOX_MSR1() 1

 /** Is the TILE_RTF_HWM SPR supported? */
 #define CHIP_HAS_TILE_RTF_HWM() 1

 /** Is the TILE_WRITE_PENDING SPR supported? */
 #define CHIP_HAS_TILE_WRITE_PENDING() 1

 /** Is the PROC_STATUS SPR supported? */
 #define CHIP_HAS_PROC_STATUS_SPR() 1

 /** 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() 0

 /** Size of the L1 static network processor instruction cache, in bytes. */
 /* #define CHIP_L1SNI_CACHE_SIZE() -- does not apply to chip 1 */

 /** 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() 16

 /** 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() 32

 /** Does the memory shim have a source-id table? */
 #define CHIP_HAS_MSHIM_SRCID_TABLE() 0

 /** Does the L1 instruction cache clear on reset? */
 #define CHIP_HAS_L1I_CLEAR_ON_RESET() 1

 /** 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() 1

 /** Does the chip have unified packet formats? */
 #define CHIP_HAS_UNIFIED_PACKET_FORMATS() 1

 /** Does the chip support write reordering? */
 #define CHIP_HAS_WRITE_REORDERING() 1

 /** Does the chip support Y-X routing as well as X-Y? */
 #define CHIP_HAS_Y_X_ROUTING() 1

 /** Is INTCTRL_3 managed with the correct MPL? */
 #define CHIP_HAS_INTCTRL_3_STATUS_FIX() 1

 /** Is it possible to configure the chip to be big-endian? */
 #define CHIP_HAS_BIG_ENDIAN_CONFIG() 1

 /** Is the CACHE_RED_WAY_OVERRIDDEN SPR supported? */
 #define CHIP_HAS_CACHE_RED_WAY_OVERRIDDEN() 1

 /** Is the DIAG_TRACE_WAY SPR supported? */
 #define CHIP_HAS_DIAG_TRACE_WAY() 1

 /** Is the MEM_STRIPE_CONFIG SPR supported? */
 #define CHIP_HAS_MEM_STRIPE_CONFIG() 1

 /** Are the TLB_PERF SPRs supported? */
 #define CHIP_HAS_TLB_PERF() 1

 /** Is the VDN_SNOOP_SHIM_CTL SPR supported? */
 #define CHIP_HAS_VDN_SNOOP_SHIM_CTL() 1

 /** Does the chip support rev1 DMA packets? */
 #define CHIP_HAS_REV1_DMA_PACKETS() 1

 /** Does the chip have an IPI shim? */
 #define CHIP_HAS_IPI() 0

 #endif /* !__OPEN_SOURCE__ */
 #endif /* __ARCH_CHIP_H__ */
	/*
	* 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 TILEPro.
	*/

	#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 1

	/** 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 "tilepro"

	/** The ELF e_machine type for binaries for this chip. */
	#define CHIP_ELF_TYPE() EM_TILEPRO

	/** The alternate ELF e_machine type for binaries for this chip. */
	#define CHIP_COMPAT_ELF_TYPE() 0x2507

	/** 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() 4

	/** 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() 16384

	/** 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_L2_LINE_SIZE()

	/** Stride with which finv instructions must be issued. */
	#define CHIP_FINV_STRIDE() CHIP_L2_LINE_SIZE()

	/** Can the local cache coherently cache data that is homed elsewhere? */
	#define CHIP_HAS_COHERENT_LOCAL_CACHE() 1

	/** How many simultaneous outstanding victims can the L2 cache have? */
	#define CHIP_MAX_OUTSTANDING_VICTIMS() 4

	/** Does the TLB support the NC and NOALLOC bits? */
	#define CHIP_HAS_NC_AND_NOALLOC_BITS() 1

	/** Does the chip support hash-for-home caching? */
	#define CHIP_HAS_CBOX_HOME_MAP() 1

	/** Number of entries in the chip's home map tables. */
	#define CHIP_CBOX_HOME_MAP_SIZE() 64

	/** Do uncacheable requests miss in the cache regardless of whether
	* there is matching data? */
	#define CHIP_HAS_ENFORCED_UNCACHEABLE_REQUESTS() 1

	/** Does the mf instruction wait for victims? */
	#define CHIP_HAS_MF_WAITS_FOR_VICTIMS() 0

	/** Does the chip have an "inv" instruction that doesn't also flush? */
	#define CHIP_HAS_INV() 1

	/** Does the chip have a "wh64" instruction? */
	#define CHIP_HAS_WH64() 1

	/** Does this chip have a 'dword_align' instruction? */
	#define CHIP_HAS_DWORD_ALIGN() 1

	/** Number of performance counters. */
	#define CHIP_PERFORMANCE_COUNTERS() 4

	/** Does this chip have auxiliary performance counters? */
	#define CHIP_HAS_AUX_PERF_COUNTERS() 1

	/** Is the CBOX_MSR1 SPR supported? */
	#define CHIP_HAS_CBOX_MSR1() 1

	/** Is the TILE_RTF_HWM SPR supported? */
	#define CHIP_HAS_TILE_RTF_HWM() 1

	/** Is the TILE_WRITE_PENDING SPR supported? */
	#define CHIP_HAS_TILE_WRITE_PENDING() 1

	/** Is the PROC_STATUS SPR supported? */
	#define CHIP_HAS_PROC_STATUS_SPR() 1

	/** 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() 0

	/** Size of the L1 static network processor instruction cache, in bytes. */
	/* #define CHIP_L1SNI_CACHE_SIZE() -- does not apply to chip 1 */

	/** 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() 16

	/** 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() 32

	/** Does the memory shim have a source-id table? */
	#define CHIP_HAS_MSHIM_SRCID_TABLE() 0

	/** Does the L1 instruction cache clear on reset? */
	#define CHIP_HAS_L1I_CLEAR_ON_RESET() 1

	/** 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() 1

	/** Does the chip have unified packet formats? */
	#define CHIP_HAS_UNIFIED_PACKET_FORMATS() 1

	/** Does the chip support write reordering? */
	#define CHIP_HAS_WRITE_REORDERING() 1

	/** Does the chip support Y-X routing as well as X-Y? */
	#define CHIP_HAS_Y_X_ROUTING() 1

	/** Is INTCTRL_3 managed with the correct MPL? */
	#define CHIP_HAS_INTCTRL_3_STATUS_FIX() 1

	/** Is it possible to configure the chip to be big-endian? */
	#define CHIP_HAS_BIG_ENDIAN_CONFIG() 1

	/** Is the CACHE_RED_WAY_OVERRIDDEN SPR supported? */
	#define CHIP_HAS_CACHE_RED_WAY_OVERRIDDEN() 1

	/** Is the DIAG_TRACE_WAY SPR supported? */
	#define CHIP_HAS_DIAG_TRACE_WAY() 1

	/** Is the MEM_STRIPE_CONFIG SPR supported? */
	#define CHIP_HAS_MEM_STRIPE_CONFIG() 1

	/** Are the TLB_PERF SPRs supported? */
	#define CHIP_HAS_TLB_PERF() 1

	/** Is the VDN_SNOOP_SHIM_CTL SPR supported? */
	#define CHIP_HAS_VDN_SNOOP_SHIM_CTL() 1

	/** Does the chip support rev1 DMA packets? */
	#define CHIP_HAS_REV1_DMA_PACKETS() 1

	/** Does the chip have an IPI shim? */
	#define CHIP_HAS_IPI() 0

	#endif /* !__OPEN_SOURCE__ */
	#endif /* __ARCH_CHIP_H__ */