kernel/eka/common/arm/atomics.cia
changeset 0 a41df078684a
equal deleted inserted replaced
-1:000000000000 0:a41df078684a
       
     1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of the License "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // e32\common\arm\atomics.cia
       
    15 // 
       
    16 //
       
    17 
       
    18 
       
    19 #include <cpudefs.h>
       
    20 #include <e32def.h>
       
    21 //#include <e32atomics.h>
       
    22 
       
    23 #if defined(__KERNEL_MODE__)
       
    24 #include "nk_cpu.h"
       
    25 #elif defined(__ATOMIC_USE_FAST_EXEC__) || defined(__ATOMIC64_USE_FAST_EXEC__) || defined(__ATOMIC64_USE_SLOW_EXEC__)
       
    26 #include <u32exec.h>
       
    27 #endif
       
    28 
       
    29 #define	__concat__(a,b)	a##b
       
    30 #define	__concat3__(a,b,c)	a##b##c
       
    31 #define	__concat5__(a,b,c,d,e)	a##b##c##d##e
       
    32 #define	__fname__(type,order,size)	__concat5__(__e32_atomic_,type,_,order,size)
       
    33 //	__e32_atomic_##type##_##order##size
       
    34 
       
    35 #undef	__BARRIERS_NEEDED__
       
    36 #undef	__AVOID_READ_SIDE_EFFECTS__
       
    37 #ifdef __SMP__
       
    38 #define	__BARRIERS_NEEDED__
       
    39 #else
       
    40 #ifdef __KERNEL_MODE__
       
    41 // On non-SMP use interrupt disabling even on V6 and V6K just in case someone
       
    42 // has used the atomic operations on I/O addresses.
       
    43 #define __AVOID_READ_SIDE_EFFECTS__
       
    44 #endif
       
    45 #endif
       
    46 
       
    47 #ifdef	__BARRIERS_NEEDED__
       
    48 #define	__LOCAL_DATA_MEMORY_BARRIER__(reg)		__DATA_MEMORY_BARRIER__(reg)
       
    49 #define	__LOCAL_DATA_MEMORY_BARRIER_Z__(reg)	__DATA_MEMORY_BARRIER_Z__(reg)
       
    50 #define	__LOCAL_DATA_SYNC_BARRIER__(reg)		__DATA_SYNC_BARRIER__(reg)
       
    51 #define	__LOCAL_DATA_SYNC_BARRIER_Z__(reg)		__DATA_SYNC_BARRIER_Z__(reg)
       
    52 #define	__LOCAL_INST_SYNC_BARRIER__(reg)		__INST_SYNC_BARRIER__(reg)
       
    53 #define	__LOCAL_INST_SYNC_BARRIER_Z__(reg)		__INST_SYNC_BARRIER_Z__(reg)
       
    54 #else	// __BARRIERS_NEEDED__
       
    55 #define	__LOCAL_DATA_MEMORY_BARRIER__(reg)
       
    56 #define	__LOCAL_DATA_MEMORY_BARRIER_Z__(reg)
       
    57 #define	__LOCAL_DATA_SYNC_BARRIER__(reg)
       
    58 #define	__LOCAL_DATA_SYNC_BARRIER_Z__(reg)
       
    59 #define	__LOCAL_INST_SYNC_BARRIER__(reg)
       
    60 #define	__LOCAL_INST_SYNC_BARRIER_Z__(reg)
       
    61 #endif	// __BARRIERS_NEEDED__
       
    62 
       
    63 #ifdef	__CPU_ARM_HAS_CPS
       
    64 #define	__DISABLE_INTERRUPTS__(keep,temp)	asm("mrs "#keep ", cpsr"); CPSIDAIF
       
    65 #define	__RESTORE_INTERRUPTS__(keep)		asm("msr cpsr_c, "#keep )	// flags preserved
       
    66 #else
       
    67 #define	__DISABLE_INTERRUPTS__(keep,temp)	asm("mrs "#keep ", cpsr"); asm("orr "#temp ", "#keep ", #0xc0" ); asm("msr cpsr, "#temp )
       
    68 #define	__RESTORE_INTERRUPTS__(keep)		asm("msr cpsr_c, "#keep )	// flags preserved
       
    69 #endif
       
    70 
       
    71 /******************************************************************************
       
    72  * Barriers
       
    73  ******************************************************************************/
       
    74 
       
    75 extern "C" EXPORT_C __NAKED__ void __e32_memory_barrier()
       
    76 	{
       
    77 	__LOCAL_DATA_MEMORY_BARRIER_Z__(r0);
       
    78 	__JUMP(,lr);
       
    79 	}
       
    80 
       
    81 /** Barrier guaranteeing completion as well as ordering
       
    82 
       
    83 */
       
    84 #if defined(__KERNEL_MODE__) || defined(__CPU_ARM_SUPPORTS_USER_MODE_BARRIERS)
       
    85 extern "C" EXPORT_C __NAKED__ void __e32_io_completion_barrier()
       
    86 	{
       
    87 	__DATA_SYNC_BARRIER_Z__(r0);
       
    88 	__JUMP(,lr);
       
    89 	}
       
    90 #else
       
    91 extern "C" EXPORT_C __NAKED__ void __e32_io_completion_barrier()
       
    92 	{
       
    93 	asm("mov	r0, sp ");
       
    94 	asm("mov	r1, #0 ");
       
    95 	SLOW_EXEC2(EExecIMBRange);
       
    96 	}
       
    97 #endif
       
    98 
       
    99 
       
   100 /******************************************************************************
       
   101  * Miscellaneous utility functions
       
   102  ******************************************************************************/
       
   103 
       
   104 /** Find the most significant 1 in a 32 bit word
       
   105 
       
   106 	@param	v	The word to be scanned
       
   107 	@return		The bit number of the most significant 1 if v != 0
       
   108 				-1 if v == 0
       
   109 */
       
   110 extern "C" EXPORT_C __NAKED__ TInt __e32_find_ms1_32(TUint32 /*v*/)
       
   111 	{
       
   112 #ifdef __CPU_ARM_HAS_CLZ
       
   113 	CLZ(		1,0);						// r1=31-MSB(r0), 32 if r0=0
       
   114 	asm("rsb	r0, r1, #31 ");				// r0=MSB(r0), -1 if r0=0
       
   115 #else
       
   116 	asm("movs	r1, r0 ");
       
   117 	asm("beq	0f ");
       
   118 	asm("mov	r0, #31 ");
       
   119 	asm("cmp	r1, #0x00010000 ");
       
   120 	asm("movcc	r1, r1, lsl #16 ");
       
   121 	asm("subcc	r0, r0, #16 ");
       
   122 	asm("cmp	r1, #0x01000000 ");
       
   123 	asm("movcc	r1, r1, lsl #8 ");
       
   124 	asm("subcc	r0, r0, #8 ");
       
   125 	asm("cmp	r1, #0x10000000 ");
       
   126 	asm("movcc	r1, r1, lsl #4 ");
       
   127 	asm("subcc	r0, r0, #4 ");
       
   128 	asm("cmp	r1, #0x40000000 ");
       
   129 	asm("movcc	r1, r1, lsl #2 ");
       
   130 	asm("subcc	r0, r0, #2 ");
       
   131 	asm("cmp	r1, #0x80000000 ");
       
   132 	asm("subcc	r0, r0, #1 ");
       
   133 	__JUMP(,	lr);
       
   134 	asm("0: ");
       
   135 	asm("mvn	r0, #0 ");					// if input zero, return -1
       
   136 #endif
       
   137 	__JUMP(,	lr);
       
   138 	}
       
   139 
       
   140 
       
   141 /** Find the least significant 1 in a 32 bit word
       
   142 
       
   143 	@param	v	The word to be scanned
       
   144 	@return		The bit number of the least significant 1 if v != 0
       
   145 				-1 if v == 0
       
   146 */
       
   147 extern "C" EXPORT_C __NAKED__ TInt __e32_find_ls1_32(TUint32 /*v*/)
       
   148 	{
       
   149 #ifdef __CPU_ARM_HAS_CLZ
       
   150 	asm("subs	r1, r0, #1 ");				// r1 = arg - 1
       
   151 	asm("eorcs	r0, r0, r1 ");				// if arg=0, leave alone else mask upper bits
       
   152 	CLZ(		1,0);						// r1=31-MSB(r0), 32 if r0=0
       
   153 	asm("rsb	r0, r1, #31 ");				// r0=MSB(r0), -1 if r0=0
       
   154 #else
       
   155 	asm("movs	r1, r0 ");
       
   156 	asm("beq	0f ");
       
   157 	asm("mov	r0, #0 ");
       
   158 	asm("movs	r2, r1, lsl #16 ");
       
   159 	asm("movne	r1, r2 ");
       
   160 	asm("addeq	r0, r0, #16 ");
       
   161 	asm("movs	r2, r1, lsl #8 ");
       
   162 	asm("movne	r1, r2 ");
       
   163 	asm("addeq	r0, r0, #8 ");
       
   164 	asm("movs	r2, r1, lsl #4 ");
       
   165 	asm("movne	r1, r2 ");
       
   166 	asm("addeq	r0, r0, #4 ");
       
   167 	asm("movs	r2, r1, lsl #2 ");
       
   168 	asm("movne	r1, r2 ");
       
   169 	asm("addeq	r0, r0, #2 ");
       
   170 	asm("movs	r2, r1, lsl #1 ");
       
   171 	asm("addeq	r0, r0, #1 ");
       
   172 	__JUMP(,	lr);
       
   173 	asm("0: ");
       
   174 	asm("mvn	r0, #0 ");					// if input zero, return -1
       
   175 #endif
       
   176 	__JUMP(,	lr);
       
   177 	}
       
   178 
       
   179 
       
   180 /** Count the number of 1's in a 32 bit word
       
   181 
       
   182 	@param	v	The word to be scanned
       
   183 	@return		The number of 1's
       
   184 */
       
   185 extern "C" EXPORT_C __NAKED__ TInt __e32_bit_count_32(TUint32 /*v*/)
       
   186 	{
       
   187 	asm("mov	r2, #0x0f ");				// r2=0x0000000f
       
   188 	asm("orr	r2, r2, r2, lsl #8 ");		// r2=0x00000f0f
       
   189 	asm("orr	r2, r2, r2, lsl #16 ");		// r2=0x0f0f0f0f
       
   190 	asm("eor	r3, r2, r2, lsl #2 ");		// r3=0x33333333
       
   191 	asm("eor	ip, r3, r3, lsl #1 ");		// ip=0x55555555
       
   192 	asm("bic	r1, r0, ip ");				// r1=odd bits of input
       
   193 	asm("and	r0, r0, ip ");				// r0=even bits of input
       
   194 	asm("add	r0, r0, r1, lsr #1 ");		// r0[2n:2n+1] = in[2n]+in[2n+1], 0<=n<=15
       
   195 	asm("bic	r1, r0, r3 ");				// r1 = r0[4n+2:4n+3] for 0<=n<=7, other bits 0
       
   196 	asm("and	r0, r0, r3 ");				// r0 = r0[4n:4n+1] for 0<=n<=7, other bits 0
       
   197 	asm("add	r0, r0, r1, lsr #2 ");		// r0 bits 4n:4n+3 = in[4n]+in[4n+1]+in[4n+2]+in[4n+3], 0<=n<=7
       
   198 	asm("add	r0, r0, r0, lsr #4 ");		// r0[8n:8n+3]=in[8n]+in[8n+1]+...+in[8n+7], 0<=n<=3
       
   199 	asm("and	r0, r0, r2 ");				// make sure other bits of r0 are zero
       
   200 	asm("add	r0, r0, r0, lsr #8 ");		// r0[16n:16n+7]=in[16n]+in[16n+1]+...+in[16n+15], n=0,1
       
   201 	asm("add	r0, r0, r0, lsr #16 ");		// r0[0:7]=SUM{ in[n] : 0<=n<=31 }
       
   202 	asm("and	r0, r0, #0xff ");			// mask other unwanted bits
       
   203 	__JUMP(,	lr);
       
   204 	}
       
   205 
       
   206 
       
   207 /** Find the most significant 1 in a 64 bit word
       
   208 
       
   209 	@param	v	The word to be scanned
       
   210 	@return		The bit number of the most significant 1 if v != 0
       
   211 				-1 if v == 0
       
   212 */
       
   213 extern "C" EXPORT_C __NAKED__ TInt __e32_find_ms1_64(TUint64 /*v*/)
       
   214 	{
       
   215 	/* On entry argument in R1:R0 */
       
   216 #ifdef __CPU_ARM_HAS_CLZ
       
   217 	CLZ(		2,1);						// r2=31-MSB(r1), 32 if r1=0
       
   218 	asm("subs	r2, r2, #32 ");				// r2=-1-MSB(r1), 0 if r1=0
       
   219 	CLZcc(CC_EQ,2,0);						// if r1=0, r2=31-MSB(r0), 32 if r0=0
       
   220 	asm("rsb	r0, r2, #31 ");				// if r1!=0, r0=32+MSB(r1) else if r0!=0 r0=MSB(r0) else r0=-1
       
   221 #else
       
   222 	asm("cmp	r1, #1 ");					// r1>=1 ?
       
   223 	asm("movcs	r0, #63 ");					// if so r0=63
       
   224 	asm("movccs	r1, r0 ");					// else r1=r0, test for zero (C unaffected)
       
   225 	asm("beq	0f ");
       
   226 	asm("movcc	r0, #31 ");					// if r1=0 and r0!=0, r1=original r0 and r0=31
       
   227 	asm("cmp	r1, #0x00010000 ");
       
   228 	asm("movcc	r1, r1, lsl #16 ");
       
   229 	asm("subcc	r0, r0, #16 ");
       
   230 	asm("cmp	r1, #0x01000000 ");
       
   231 	asm("movcc	r1, r1, lsl #8 ");
       
   232 	asm("subcc	r0, r0, #8 ");
       
   233 	asm("cmp	r1, #0x10000000 ");
       
   234 	asm("movcc	r1, r1, lsl #4 ");
       
   235 	asm("subcc	r0, r0, #4 ");
       
   236 	asm("cmp	r1, #0x40000000 ");
       
   237 	asm("movcc	r1, r1, lsl #2 ");
       
   238 	asm("subcc	r0, r0, #2 ");
       
   239 	asm("cmp	r1, #0x80000000 ");
       
   240 	asm("subcc	r0, r0, #1 ");
       
   241 	__JUMP(,	lr);
       
   242 	asm("0: ");
       
   243 	asm("mvn	r0, #0 ");					// if input zero, return -1
       
   244 #endif
       
   245 	__JUMP(,	lr);
       
   246 	}
       
   247 
       
   248 
       
   249 /** Find the least significant 1 in a 64 bit word
       
   250 
       
   251 	@param	v	The word to be scanned
       
   252 	@return		The bit number of the least significant 1 if v != 0
       
   253 				-1 if v == 0
       
   254 */
       
   255 extern "C" EXPORT_C __NAKED__ TInt __e32_find_ls1_64(TUint64 /*v*/)
       
   256 	{
       
   257 	/* On entry argument in R1:R0 */
       
   258 #ifdef __CPU_ARM_HAS_CLZ
       
   259 	asm("subs	r2, r0, #1 ");
       
   260 	asm("sbcs	r3, r1, #0 ");				// r3:r2 = arg - 1
       
   261 	asm("eorcs	r0, r0, r2 ");				// if arg=0 leave alone else mask upper bits
       
   262 	asm("eorcs	r1, r1, r3 ");
       
   263 	CLZ(		2,1);						// r2=31-MSB(r1), 32 if r1=0
       
   264 	asm("subs	r2, r2, #32 ");				// r2=-1-MSB(r1), 0 if r1=0
       
   265 	CLZcc(CC_EQ,2,0);						// if r1=0, r2=31-MSB(r0), 32 if r0=0
       
   266 	asm("rsb	r0, r2, #31 ");				// if r1!=0, r0=32+MSB(r1) else if r0!=0 r0=MSB(r0) else r0=-1
       
   267 #else
       
   268 	asm("cmp	r0, #1 ");					// LSW(arg) >= 1?
       
   269 	asm("movcs	r1, r0 ");					// if so r1=r0
       
   270 	asm("movcs	r0, #32 ");					// and r0=32
       
   271 	asm("movcc	r0, #0 ");					// else r0=0
       
   272 	asm("cmpcc	r1, #1 ");					// and test if MSW(arg) >= 1
       
   273 	asm("bcc	0f ");						// if not, return -1
       
   274 	asm("movs	r2, r1, lsl #16 ");
       
   275 	asm("movne	r1, r2 ");
       
   276 	asm("addeq	r0, r0, #16 ");
       
   277 	asm("movs	r2, r1, lsl #8 ");
       
   278 	asm("movne	r1, r2 ");
       
   279 	asm("addeq	r0, r0, #8 ");
       
   280 	asm("movs	r2, r1, lsl #4 ");
       
   281 	asm("movne	r1, r2 ");
       
   282 	asm("addeq	r0, r0, #4 ");
       
   283 	asm("movs	r2, r1, lsl #2 ");
       
   284 	asm("movne	r1, r2 ");
       
   285 	asm("addeq	r0, r0, #2 ");
       
   286 	asm("movs	r2, r1, lsl #1 ");
       
   287 	asm("addeq	r0, r0, #1 ");
       
   288 	__JUMP(,	lr);
       
   289 	asm("0: ");
       
   290 	asm("mvn	r0, #0 ");					// if input zero, return -1
       
   291 #endif
       
   292 	__JUMP(,	lr);
       
   293 	}
       
   294 
       
   295 
       
   296 /** Count the number of 1's in a 64 bit word
       
   297 
       
   298 	@param	v	The word to be scanned
       
   299 	@return		The number of 1's
       
   300 */
       
   301 extern "C" EXPORT_C __NAKED__ TInt __e32_bit_count_64(TUint64 /*v*/)
       
   302 	{
       
   303 	/* On entry argument in R1:R0 */
       
   304 	asm("str	r4, [sp, #-4]! ");
       
   305 	asm("mov	r2, #0x0f ");				// r2=0x0000000f
       
   306 	asm("orr	r2, r2, r2, lsl #8 ");		// r2=0x00000f0f
       
   307 	asm("orr	r2, r2, r2, lsl #16 ");		// r2=0x0f0f0f0f
       
   308 	asm("eor	r3, r2, r2, lsl #2 ");		// r3=0x33333333
       
   309 	asm("eor	ip, r3, r3, lsl #1 ");		// ip=0x55555555
       
   310 
       
   311 	asm("bic	r4, r0, ip ");				// r4=odd bits of input LSW
       
   312 	asm("and	r0, r0, ip ");				// r0=even bits of input LSW
       
   313 	asm("add	r0, r0, r4, lsr #1 ");		// r0[2n:2n+1] = in[2n]+in[2n+1], 0<=n<=15
       
   314 	asm("bic	r4, r0, r3 ");				// r4 = r0[4n+2:4n+3] for 0<=n<=7, other bits 0
       
   315 	asm("and	r0, r0, r3 ");				// r0 = r0[4n:4n+1] for 0<=n<=7, other bits 0
       
   316 	asm("add	r0, r0, r4, lsr #2 ");		// r0 bits 4n:4n+3 = in[4n]+in[4n+1]+in[4n+2]+in[4n+3], 0<=n<=7
       
   317 
       
   318 	asm("bic	r4, r1, ip ");				// r4=odd bits of input MSW
       
   319 	asm("and	r1, r1, ip ");				// r1=even bits of input MSW
       
   320 	asm("add	r1, r1, r4, lsr #1 ");		// r1[2n:2n+1] = in[2n+32]+in[2n+33], 0<=n<=15
       
   321 	asm("bic	r4, r1, r3 ");				// r4 = r1[4n+34:4n+35] for 0<=n<=7, other bits 0
       
   322 	asm("and	r1, r1, r3 ");				// r1 = r1[4n+32:4n+33] for 0<=n<=7, other bits 0
       
   323 	asm("add	r1, r1, r4, lsr #2 ");		// r1 bits 4n:4n+3 = in[4n+32]+in[4n+33]+in[4n+34]+in[4n+35], 0<=n<=7
       
   324 	asm("ldr	r4, [sp], #4 ");
       
   325 
       
   326 	asm("add	r0, r0, r1 ");				// r0 bits 4n:4n+3 = in[4n]+in[4n+1]+in[4n+2]+in[4n+3]+in[4n+32]+in[4n+33]+in[4n+34]+in[4n+35], 0<=n<=7
       
   327 	asm("bic	r1, r0, r2 ");				// odd nibbles only
       
   328 	asm("and	r0, r0, r2 ");				// even nibbles only
       
   329 	asm("add	r0, r0, r1, lsr #4 ");		// r0[8n:8n+7]=bit count of byte n of MSW + bit count of byte n of LSW
       
   330 	asm("add	r0, r0, r0, lsr #8 ");		// r0[16n:16n+7]=bit count of hword n of MSW + bit count of hword n of LSW
       
   331 	asm("add	r0, r0, r0, lsr #16 ");		// r0[0:7]=total bit count
       
   332 	asm("and	r0, r0, #0xff ");			// mask other unwanted bits
       
   333 	__JUMP(,	lr);
       
   334 	}
       
   335 
       
   336 
       
   337 
       
   338 /******************************************************************************
       
   339  * 64 bit operations
       
   340  ******************************************************************************/
       
   341 #define	__DATA_SIZE__ 64
       
   342 #if defined(__CPU_ARM_HAS_LDREX_STREX_V6K) && !defined(__AVOID_READ_SIDE_EFFECTS__)
       
   343 
       
   344 // Include LDREXD/STREXD-based 64 bit operations
       
   345 #define	__OP_LOAD__
       
   346 #include "atomic_64_v6k.h"
       
   347 #define	__OP_STORE__
       
   348 #include "atomic_64_v6k.h"
       
   349 #define	__OP_SWP__
       
   350 #include "atomic_64_v6k.h"
       
   351 #define	__OP_CAS__
       
   352 #include "atomic_64_v6k.h"
       
   353 #define	__OP_ADD__
       
   354 #include "atomic_64_v6k.h"
       
   355 #define	__OP_AND__
       
   356 #include "atomic_64_v6k.h"
       
   357 #define	__OP_IOR__
       
   358 #include "atomic_64_v6k.h"
       
   359 #define	__OP_XOR__
       
   360 #include "atomic_64_v6k.h"
       
   361 #define	__OP_AXO__
       
   362 #include "atomic_64_v6k.h"
       
   363 #define	__OP_TAU__
       
   364 #include "atomic_64_v6k.h"
       
   365 #define	__OP_TAS__
       
   366 #include "atomic_64_v6k.h"
       
   367 
       
   368 #else
       
   369 #ifdef __KERNEL_MODE__
       
   370 
       
   371 // Include interrupt-disabling 64 bit operations
       
   372 #define	__OP_LOAD__
       
   373 #include "atomic_64_v6_v5.h"
       
   374 #define	__OP_STORE__
       
   375 #include "atomic_64_v6_v5.h"
       
   376 #define	__OP_SWP__
       
   377 #include "atomic_64_v6_v5.h"
       
   378 #define	__OP_CAS__
       
   379 #include "atomic_64_v6_v5.h"
       
   380 #define	__OP_ADD__
       
   381 #include "atomic_64_v6_v5.h"
       
   382 #define	__OP_AND__
       
   383 #include "atomic_64_v6_v5.h"
       
   384 #define	__OP_IOR__
       
   385 #include "atomic_64_v6_v5.h"
       
   386 #define	__OP_XOR__
       
   387 #include "atomic_64_v6_v5.h"
       
   388 #define	__OP_AXO__
       
   389 #include "atomic_64_v6_v5.h"
       
   390 #define	__OP_TAU__
       
   391 #include "atomic_64_v6_v5.h"
       
   392 #define	__OP_TAS__
       
   393 #include "atomic_64_v6_v5.h"
       
   394 
       
   395 #else
       
   396 
       
   397 // Include 64 bit operations using Exec calls
       
   398 #define	__OP_LOAD__
       
   399 #include "atomic_64_v6_v5.h"
       
   400 #define	__OP_STORE__
       
   401 #include "atomic_64_v6_v5.h"
       
   402 #define	__OP_SWP__
       
   403 #include "atomic_64_exec.h"
       
   404 #define	__OP_CAS__
       
   405 #include "atomic_64_exec.h"
       
   406 #define	__OP_ADD__
       
   407 #include "atomic_64_exec.h"
       
   408 #define	__OP_AND__
       
   409 #include "atomic_64_exec.h"
       
   410 #define	__OP_IOR__
       
   411 #include "atomic_64_exec.h"
       
   412 #define	__OP_XOR__
       
   413 #include "atomic_64_exec.h"
       
   414 #define	__OP_AXO__
       
   415 #include "atomic_64_exec.h"
       
   416 #define	__OP_TAU__
       
   417 #include "atomic_64_exec.h"
       
   418 #define	__OP_TAS__
       
   419 #include "atomic_64_exec.h"
       
   420 
       
   421 #endif
       
   422 #endif
       
   423 #undef	__DATA_SIZE__
       
   424 
       
   425 /******************************************************************************
       
   426  * 8,16,32 bit load/store operations
       
   427  ******************************************************************************/
       
   428 
       
   429 #define	__DATA_SIZE__ 8
       
   430 #define	__OP_LOAD__
       
   431 #include "atomic_32_v6.h"
       
   432 #define	__OP_STORE__
       
   433 #include "atomic_32_v6.h"
       
   434 #undef	__DATA_SIZE__
       
   435 
       
   436 #define	__DATA_SIZE__ 16
       
   437 #define	__OP_LOAD__
       
   438 #include "atomic_32_v6.h"
       
   439 #define	__OP_STORE__
       
   440 #include "atomic_32_v6.h"
       
   441 #undef	__DATA_SIZE__
       
   442 
       
   443 #define	__DATA_SIZE__ 32
       
   444 #define	__OP_LOAD__
       
   445 #include "atomic_32_v6.h"
       
   446 #define	__OP_STORE__
       
   447 #include "atomic_32_v6.h"
       
   448 #undef	__DATA_SIZE__
       
   449 
       
   450 /******************************************************************************
       
   451  * 8,16,32 bit RMW operations
       
   452  ******************************************************************************/
       
   453 
       
   454 #if defined(__CPU_ARM_HAS_LDREX_STREX_V6K) && !defined(__AVOID_READ_SIDE_EFFECTS__)
       
   455 // V6K - Use variants of LDREX/STREX for everything
       
   456 #define	__ATOMIC_8_IMPL__	"atomic_32_v6.h"
       
   457 #define	__ATOMIC_16_IMPL__	"atomic_32_v6.h"
       
   458 #define	__ATOMIC_32_IMPL__	"atomic_32_v6.h"
       
   459 #elif defined(__CPU_ARM_HAS_LDREX_STREX) && !defined(__AVOID_READ_SIDE_EFFECTS__)
       
   460 // V6 - Use LDREX/STREX for 32 bit operations
       
   461 //		Use LDREX/STREX with shifts/rotates for 8/16 bit operations
       
   462 #define	__ATOMIC_8_IMPL__	"atomic_8_16_v6.h"
       
   463 #define	__ATOMIC_16_IMPL__	"atomic_8_16_v6.h"
       
   464 #define	__ATOMIC_32_IMPL__	"atomic_32_v6.h"
       
   465 #else
       
   466 // V5 - Use interrupt disabling kernel side, Exec calls user side
       
   467 #ifdef __KERNEL_MODE__
       
   468 #define	__ATOMIC_8_IMPL__	"atomic_8_16_32_irq.h"
       
   469 #define	__ATOMIC_16_IMPL__	"atomic_8_16_32_irq.h"
       
   470 #define	__ATOMIC_32_IMPL__	"atomic_8_16_32_irq.h"
       
   471 #else
       
   472 #define	__ATOMIC_8_IMPL__	"atomic_8_16_32_exec.h"
       
   473 #define	__ATOMIC_16_IMPL__	"atomic_8_16_32_exec.h"
       
   474 #define	__ATOMIC_32_IMPL__	"atomic_8_16_32_exec.h"
       
   475 #endif
       
   476 #endif
       
   477 
       
   478 #define	__DATA_SIZE__ 8
       
   479 #define	__OP_SWP__
       
   480 #include __ATOMIC_8_IMPL__
       
   481 #define	__OP_CAS__
       
   482 #include __ATOMIC_8_IMPL__
       
   483 #define	__OP_ADD__
       
   484 #include __ATOMIC_8_IMPL__
       
   485 #define	__OP_AND__
       
   486 #include __ATOMIC_8_IMPL__
       
   487 #define	__OP_IOR__
       
   488 #include __ATOMIC_8_IMPL__
       
   489 #define	__OP_XOR__
       
   490 #include __ATOMIC_8_IMPL__
       
   491 #define	__OP_AXO__
       
   492 #include __ATOMIC_8_IMPL__
       
   493 #define	__OP_TAU__
       
   494 #include __ATOMIC_8_IMPL__
       
   495 #define	__OP_TAS__
       
   496 #include __ATOMIC_8_IMPL__
       
   497 #undef	__DATA_SIZE__
       
   498 
       
   499 #define	__DATA_SIZE__ 16
       
   500 #define	__OP_SWP__
       
   501 #include __ATOMIC_16_IMPL__
       
   502 #define	__OP_CAS__
       
   503 #include __ATOMIC_16_IMPL__
       
   504 #define	__OP_ADD__
       
   505 #include __ATOMIC_16_IMPL__
       
   506 #define	__OP_AND__
       
   507 #include __ATOMIC_16_IMPL__
       
   508 #define	__OP_IOR__
       
   509 #include __ATOMIC_16_IMPL__
       
   510 #define	__OP_XOR__
       
   511 #include __ATOMIC_16_IMPL__
       
   512 #define	__OP_AXO__
       
   513 #include __ATOMIC_16_IMPL__
       
   514 #define	__OP_TAU__
       
   515 #include __ATOMIC_16_IMPL__
       
   516 #define	__OP_TAS__
       
   517 #include __ATOMIC_16_IMPL__
       
   518 #undef	__DATA_SIZE__
       
   519 
       
   520 #define	__DATA_SIZE__ 32
       
   521 #define	__OP_SWP__
       
   522 #include __ATOMIC_32_IMPL__
       
   523 #define	__OP_CAS__
       
   524 #include __ATOMIC_32_IMPL__
       
   525 #define	__OP_ADD__
       
   526 #include __ATOMIC_32_IMPL__
       
   527 #define	__OP_AND__
       
   528 #include __ATOMIC_32_IMPL__
       
   529 #define	__OP_IOR__
       
   530 #include __ATOMIC_32_IMPL__
       
   531 #define	__OP_XOR__
       
   532 #include __ATOMIC_32_IMPL__
       
   533 #define	__OP_AXO__
       
   534 #include __ATOMIC_32_IMPL__
       
   535 #define	__OP_TAU__
       
   536 #include __ATOMIC_32_IMPL__
       
   537 #define	__OP_TAS__
       
   538 #include __ATOMIC_32_IMPL__
       
   539 #undef	__DATA_SIZE__
       
   540