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/linux/arch/riscv/lib/
H A Duaccess.S80 * Copy first bytes until dst is aligned to word boundary.
82 * t1 - start of aligned dst
86 /* dst is already aligned, skip */
94 bltu a0, t1, 1b /* t1 - start of aligned dst */
98 * Now dst is aligned.
100 * Use word-copy if both src and dst are aligned because
109 * Both src and dst are aligned, unrolled word copy
111 * a0 - start of aligned dst
112 * a1 - start of aligned src
113 * t0 - end of aligned dst
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/linux/drivers/scsi/
H A Dipr.h333 }__attribute__((packed, aligned (4)));
411 }__attribute__ ((packed, aligned (4)));
434 }__attribute__ ((packed, aligned (8)));
441 }__attribute__((packed, aligned (4)));
448 }__attribute__((packed, aligned (4)));
453 }__attribute__((packed, aligned (4)));
458 }__attribute__((packed, aligned (8)));
473 }__attribute__((packed, aligned (4)));
481 }__attribute__((packed, aligned (4)));
543 }__attribute__ ((packed, aligned(4)));
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/linux/arch/xtensa/include/asm/
H A Dcoprocessor.h118 #define __REG2_1(n,s,a) unsigned char n[s] __attribute__ ((aligned(a)));
119 #define __REG2_2(n,s,a) unsigned char n[s] __attribute__ ((aligned(a)));
122 __attribute__ ((aligned (XCHAL_NCP_SA_ALIGN)));
124 __attribute__ ((aligned (XCHAL_NCP_SA_ALIGN)));
129 __attribute__ ((aligned (XCHAL_CP0_SA_ALIGN)));
131 __attribute__ ((aligned (XCHAL_CP1_SA_ALIGN)));
133 __attribute__ ((aligned (XCHAL_CP2_SA_ALIGN)));
135 __attribute__ ((aligned (XCHAL_CP3_SA_ALIGN)));
137 __attribute__ ((aligned (XCHAL_CP4_SA_ALIGN)));
139 __attribute__ ((aligned (XCHAL_CP5_SA_ALIGN)));
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/linux/arch/xtensa/lib/
H A Dmemset.S23 * If the destination is aligned,
27 * setting 1B and 2B and then go to aligned case.
29 * case of an aligned destination (except for the branches to
47 .L0: # return here from .Ldstunaligned when dst is aligned
54 * Destination is word-aligned.
56 # set 16 bytes per iteration for word-aligned dst
106 bbci.l a5, 0, .L20 # branch if dst alignment half-aligned
107 # dst is only byte aligned
112 # now retest if dst aligned
113 bbci.l a5, 1, .L0 # if now aligned, return to main algorithm
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H A Dmemcopy.S34 * If source is aligned,
40 * case of aligned source and destination and multiple
89 .Ldst1mod2: # dst is only byte aligned
98 _bbci.l a5, 1, .Ldstaligned # if dst is now aligned, then
100 .Ldst2mod4: # dst 16-bit aligned
110 j .Ldstaligned # dst is now aligned, return to main algorithm
121 .Ldstaligned: # return here from .Ldst?mod? once dst is aligned
124 movi a8, 3 # if source is not aligned,
127 * Destination and source are word-aligned, use word copy.
129 # copy 16 bytes per iteration for word-aligned dst and word-aligned src
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H A Dusercopy.S30 * If the destination and source are both aligned,
33 * If destination is aligned and source unaligned,
38 * case of aligned destinations (except for the branches to
75 .Ldstaligned: # return here from .Ldstunaligned when dst is aligned
78 movi a8, 3 # if source is also aligned,
89 .Ldst1mod2: # dst is only byte aligned
98 bbci.l a5, 1, .Ldstaligned # if dst is now aligned, then
100 .Ldst2mod4: # dst 16-bit aligned
110 j .Ldstaligned # dst is now aligned, return to main algorithm
138 * Destination and source are word-aligned.
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H A Dchecksum.S44 * is aligned on either a 2-byte or 4-byte boundary.
48 bnez a5, 8f /* branch if 2-byte aligned */
112 /* uncommon case, buf is 2-byte aligned */
118 bnez a5, 8f /* branch if 1-byte aligned */
124 j 1b /* now buf is 4-byte aligned */
126 /* case: odd-byte aligned, len > 1
188 This function is optimized for 4-byte aligned addresses. Other
199 aligned case. Two bbsi.l instructions might seem more optimal
206 beqz a9, 1f /* branch if both are 4-byte aligned */
208 j 3f /* one address is 2-byte aligned */
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/linux/drivers/scsi/pm8001/
H A Dpm8001_hwi.h146 } __attribute__((packed, aligned(4)));
158 } __attribute__((packed, aligned(4)));
169 } __attribute__((packed, aligned(4)));
221 } __attribute__((packed, aligned(4)));
234 } __attribute__((packed, aligned(4)));
250 } __attribute__((packed, aligned(4)));
263 } __attribute__((packed, aligned(4)));
276 } __attribute__((packed, aligned(4)));
287 } __attribute__((packed, aligned(4)));
299 } __attribute__((packed, aligned(4)));
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H A Dpm80xx_hwi.h345 } __attribute__((packed, aligned(4)));
357 } __attribute__((packed, aligned(4)));
367 } __attribute__((packed, aligned(4)));
418 } __attribute__((packed, aligned(4)));
432 } __attribute__((packed, aligned(4)));
441 } __attribute__((packed, aligned(4)));
456 } __attribute__((packed, aligned(4)));
468 } __attribute__((packed, aligned(4)));
479 } __attribute__((packed, aligned(4)));
489 } __attribute__((packed, aligned(4)));
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/linux/tools/mm/
H A Dthpmaps237 'aligned': [0] * (PMD_ORDER + 1),
242 'aligned': [0] * (PMD_ORDER + 1),
278 align = 'aligned' if align_forward(vfn, nr) == vfn else 'unaligned'
288 …stats['anon']['aligned'][PMD_ORDER] = max(0, stats['anon']['aligned'][PMD_ORDER] - kbnr(anon_pmd_m…
289 …stats['file']['aligned'][PMD_ORDER] = max(0, stats['file']['aligned'][PMD_ORDER] - kbnr(file_pmd_m…
292 f"anon-thp-pmd-aligned-{odkb(PMD_ORDER)}kB": {'type': 'anon', 'value': anon_pmd_mapped},
293 f"file-thp-pmd-aligned-{odkb(PMD_ORDER)}kB": {'type': 'file', 'value': file_pmd_mapped},
302 flatten_sub(type, 'aligned', stats['aligned'])
353 f"anon-cont-pmd-aligned-{nrkb(nr_cont)}kB": {'type': 'anon', 'value': anon_pmd_mapped},
354 f"file-cont-pmd-aligned-{nrkb(nr_cont)}kB": {'type': 'file', 'value': file_pmd_mapped},
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/linux/include/uapi/linux/
H A Drseq.h41 * struct rseq_cs is aligned on 4 * 8 bytes to ensure it is always
54 } __attribute__((aligned(4 * sizeof(__u64))));
57 * struct rseq is aligned on 4 * 8 bytes to ensure it is always
67 * registered this data structure. Aligned on 32-bit. Always
80 * data structure. Aligned on 32-bit. Values
107 * thread which registered this data structure. Aligned on 64-bit.
138 * Aligned on 32-bit. Contains the current NUMA node ID.
146 * Aligned on 32-bit. Contains the current thread's concurrency ID
155 } __attribute__((aligned(4 * sizeof(__u64))));
H A Dswab.h169 * @p: pointer to a naturally-aligned 16-bit value
182 * @p: pointer to a naturally-aligned 32-bit value
195 * @p: pointer to a naturally-aligned 64-bit value
208 * @p: pointer to a naturally-aligned 32-bit value
223 * @p: pointer to a naturally-aligned 32-bit value
238 * @p: pointer to a naturally-aligned 16-bit value
250 * @p: pointer to a naturally-aligned 32-bit value
263 * @p: pointer to a naturally-aligned 64-bit value
276 * @p: pointer to a naturally-aligned 32-bit value
291 * @p: pointer to a naturally-aligned 32-bit value
/linux/tools/testing/selftests/rseq/
H A Drseq-abi.h41 * struct rseq_abi_cs is aligned on 4 * 8 bytes to ensure it is always
54 } __attribute__((aligned(4 * sizeof(__u64))));
57 * struct rseq_abi is aligned on 4 * 8 bytes to ensure it is always
67 * registered this data structure. Aligned on 32-bit. Always
80 * data structure. Aligned on 32-bit. Values
107 * thread which registered this data structure. Aligned on 64-bit.
154 * Aligned on 32-bit. Contains the current NUMA node ID.
162 * Aligned on 32-bit. Contains the current thread's concurrency ID
171 } __attribute__((aligned(4 * sizeof(__u64))));
/linux/arch/mips/kernel/
H A Dcmpxchg.c16 /* Check that ptr is naturally aligned */ in __xchg_small()
25 * exchange within the naturally aligned 4 byte integer that includes in __xchg_small()
35 * Calculate a pointer to the naturally aligned 4 byte integer that in __xchg_small()
57 /* Check that ptr is naturally aligned */ in __cmpxchg_small()
67 * compare & exchange within the naturally aligned 4 byte integer in __cmpxchg_small()
77 * Calculate a pointer to the naturally aligned 4 byte integer that in __cmpxchg_small()
93 * Calculate the old & new values of the naturally aligned in __cmpxchg_small()
/linux/arch/sparc/kernel/
H A Dsstate.c38 static const char booting_msg[32] __attribute__((aligned(32))) =
40 static const char running_msg[32] __attribute__((aligned(32))) =
42 static const char halting_msg[32] __attribute__((aligned(32))) =
44 static const char poweroff_msg[32] __attribute__((aligned(32))) =
46 static const char rebooting_msg[32] __attribute__((aligned(32))) =
48 static const char panicking_msg[32] __attribute__((aligned(32))) =
/linux/lib/
H A Diomap_copy.c11 * @to: destination, in MMIO space (must be 32-bit aligned)
12 * @from: source (must be 32-bit aligned)
34 * @to: destination (must be 32-bit aligned)
35 * @from: source, in MMIO space (must be 32-bit aligned)
55 * @to: destination, in MMIO space (must be 64-bit aligned)
56 * @from: source (must be 64-bit aligned)
/linux/arch/nios2/lib/
H A Dmemcpy.c22 /* Type to use for aligned memory operations.
48 the assumption that DST_BP is aligned on an OPSIZ multiple. If
70 Both SRCP and DSTP should be aligned for memory operations on `op_t's. */
109 DSTP should be aligned for memory operations on `op_t's, but SRCP must
110 *not* be aligned. */
119 aligned srcp to make it aligned for copy. */ in _wordcopy_fwd_dest_aligned()
124 /* Make SRCP aligned by rounding it down to the beginning of the `op_t' in _wordcopy_fwd_dest_aligned()
169 /* Copy just a few bytes to make DSTP aligned. */ in memcpy()
/linux/drivers/gpu/drm/msm/disp/dpu1/
H A Dmsm_media_info.h46 * Y_Stride : Width aligned to 128
47 * UV_Stride : Width aligned to 128
48 * Y_Scanlines: Height aligned to 32
49 * UV_Scanlines: Height/2 aligned to 16
84 * Y_Stride : Width aligned to 128
85 * UV_Stride : Width aligned to 128
86 * Y_Scanlines: Height aligned to 32
87 * UV_Scanlines: Height/2 aligned to 16
142 * Y_Stride : Width aligned to 128
143 * UV_Stride : Width aligned to 128
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/linux/arch/sparc/lib/
H A DM7memset.S144 andcc %o5, 7, %o3 ! is sp1 aligned on a 8 byte bound?
145 bz,pt %xcc, .blkalign ! already long word aligned
146 sub %o3, 8, %o3 ! -(bytes till long word aligned)
149 ! Set -(%o3) bytes till sp1 long word aligned
155 ! Now sp1 is long word aligned (sp1 is found in %o5)
161 andcc %o5, 63, %o3 ! is sp1 block aligned?
162 bz,pt %xcc, .blkwr ! now block aligned
163 sub %o3, 64, %o3 ! o3 is -(bytes till block aligned)
166 ! Store -(%o3) bytes till dst is block (64 byte) aligned.
168 ! Recall that dst is already long word aligned
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H A DM7memcpy.S37 * if src & dst aligned on word boundary but not long word boundary,
39 * if src & dst aligned on long word boundary
41 * if src & dst not aligned and length <= SHORTCHECK (SHORTCHECK=14)
59 * finish_long: src/dst aligned on 8 bytes
62 * } else { src/dst aligned; count > MED_MAX
72 * } else { src/dst not aligned on 8 bytes
73 * if src is word aligned and count < MED_WMAX
168 #define SHORT_LONG 64 /* max copy for short longword-aligned case */
171 #define MED_UMAX 1024 /* max copy for medium un-aligned case */
172 #define MED_WMAX 1024 /* max copy for medium word-aligned case */
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/linux/Documentation/driver-api/dmaengine/
H A Dpxa_dma.rst100 - if Buffer1 and Buffer2 had all their addresses 8 bytes aligned
102 - and if Buffer3 has at least one address not 4 bytes aligned
107 this specific case if the DMA is already running in aligned mode.
146 - a driver submitted an aligned tx1, not chained
148 - a driver submitted an aligned tx2 => tx2 is cold chained to tx1
150 - a driver issued tx1+tx2 => channel is running in aligned mode
152 - a driver submitted an aligned tx3 => tx3 is hot-chained
159 - a driver submitted an aligned tx5 => tx5 is put in submitted queue, not
162 - a driver submitted an aligned tx6 => tx6 is put in submitted queue,
/linux/arch/sparc/include/asm/
H A Dhypervisor.h118 * ERRORS: HV_EBADALIGN Buffer is badly aligned
125 * aligned. Upon success or HV_EINVAL, this service returns the
250 * stopped state. The supplied RTBA must be aligned on a 256 byte
334 * EBADALIGN Base real address is not correctly aligned
339 * must be a power of 2. The base real address must be aligned
341 * long, so for example a 32 entry queue must be aligned on a 2048
397 * ERRORS: EBADALIGN Mondo data is not 64-byte aligned or CPU list
398 * is not 2-byte aligned.
410 * aligned. The mondo data will be delivered to the cpu_mondo queues
463 * EBADALIGN RTBA is incorrectly aligned for a trap table
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/linux/arch/parisc/lib/
H A Dlusercopy.S76 * aligned operands. It is interesting to note that the glibc version of memcpy
78 * it by 30-40% for aligned copies because of the loop unrolling, but in some
123 /* only do 64-bit copies if we can get aligned. */
127 /* loop until we are 64-bit aligned */
179 /* loop until we are 32-bit aligned */
234 /* src and dst are not aligned the same way. */
237 /* align until dst is 32bit-word-aligned */
260 * Copy from a not-aligned src to an aligned dst using shifts.
269 /* Make src aligned by rounding it down. */
/linux/tools/testing/selftests/powerpc/ptrace/
H A Dptrace-hwbreak.c40 static volatile __u8 big_var[DAWR_MAX_LEN] __attribute__((aligned(512)));
45 __u8 a[A_LEN]; /* double word aligned */
48 static volatile struct gstruct gstruct __attribute__((aligned(512)));
50 static volatile char cwd[PATH_MAX] __attribute__((aligned(8)));
163 /* PPC_PTRACE_SETHWDEBUG, MODE_RANGE, DW ALIGNED, WO test */ in test_workload()
166 /* PPC_PTRACE_SETHWDEBUG, MODE_RANGE, DW ALIGNED, RO test */ in test_workload()
169 /* PPC_PTRACE_SETHWDEBUG, MODE_RANGE, DW ALIGNED, RW test */ in test_workload()
199 /* PPC_PTRACE_SETHWDEBUG 2, MODE_RANGE, DW ALIGNED, WO test */ in test_workload()
401 char *name = "PPC_PTRACE_SETHWDEBUG, MODE_RANGE, DW ALIGNED"; in test_sethwdebug_range_aligned()
405 /* PPC_PTRACE_SETHWDEBUG, MODE_RANGE, DW ALIGNED, WO test */ in test_sethwdebug_range_aligned()
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/linux/tools/testing/selftests/bpf/progs/
H A Dverifier_var_off.c23 /* Make it small and 4-byte aligned */ \ in variable_offset_ctx_access()
48 /* Make it small and 4-byte aligned */ \ in stack_read_priv_vs_unpriv()
71 /* Make it small and 4-byte aligned */ \ in variable_offset_stack_read_uninitialized()
102 /* Make it small and 8-byte aligned */ \ in stack_write_priv_vs_unpriv()
140 /* Make it small and 8-byte aligned */ \ in stack_write_followed_by_read()
182 /* Make it small and 8-byte aligned */ \ in stack_write_clobbers_spilled_regs()
248 /* Make it small and 4-byte aligned */ \ in access_max_out_of_bound()
306 /* Make it small and 4-byte aligned */ \ in access_min_out_of_bound()
336 /* Make it small and 4-byte aligned. */ \ in access_min_off_min_initialized()
369 /* Make it small and 4-byte aligned. */ \ in stack_access_priv_vs_unpriv()
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