| /kernel/linux/linux-5.10/Documentation/core-api/ |
| D | unaligned-memory-access.rst | 15 unaligned accesses, why you need to write code that doesn't cause them,
19 The definition of an unaligned access
25 reading 4 bytes of data from address 0x10005 would be an unaligned memory
52 Why unaligned access is bad
55 The effects of performing an unaligned memory access vary from architecture
59 - Some architectures are able to perform unaligned memory accesses
61 - Some architectures raise processor exceptions when unaligned accesses
62 happen. The exception handler is able to correct the unaligned access,
64 - Some architectures raise processor exceptions when unaligned accesses
66 unaligned access to be corrected.
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| /kernel/linux/linux-5.10/Documentation/arm/ |
| D | mem_alignment.rst | 14 unaligned memory access in general. If those access are predictable, you
15 are better to use the macros provided by include/asm/unaligned.h. The
20 trap to SIGBUS any code performing unaligned access (good for debugging bad
27 real bad - it changes the behaviour of all unaligned instructions in user
36 0 A user process performing an unaligned memory access
42 performing the unaligned access. This is of course
47 performing the unaligned access.
59 information on unaligned access occurrences plus the current mode of
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| /kernel/linux/linux-5.10/arch/sh/include/asm/ |
| D | unaligned-sh4a.h | 37 unsigned long unaligned; in sh4a_get_unaligned_cpu32() local
41 : "=z" (unaligned) in sh4a_get_unaligned_cpu32()
45 return unaligned; in sh4a_get_unaligned_cpu32()
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| /kernel/linux/linux-5.10/arch/alpha/kernel/ |
| D | traps.c | 429 } unaligned[2]; variable
445 unaligned[0].count++; in do_entUna()
446 unaligned[0].va = (unsigned long) va; in do_entUna()
447 unaligned[0].pc = pc; in do_entUna()
754 ++unaligned[1].count; in do_entUnaUser()
755 unaligned[1].va = (unsigned long)va; in do_entUnaUser()
756 unaligned[1].pc = regs->pc - 4; in do_entUnaUser()
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| D | setup.c | 1147 } unaligned[2]; in show_cpuinfo()
1210 unaligned[0].count, unaligned[0].pc, unaligned[0].va, in show_cpuinfo()
1211 unaligned[1].count, unaligned[1].pc, unaligned[1].va, in show_cpuinfo()
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/pci/ |
| D | ti-pci.txt | 36 - ti,syscon-unaligned-access: phandle to the syscon DT node. The 1st argument
39 for setting the bit to enable unaligned
54 - ti,syscon-unaligned-access: phandle to the syscon DT node. The 1st argument
57 for setting the bit to enable unaligned
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| /kernel/linux/linux-5.10/arch/parisc/boot/compressed/ |
| D | vmlinux.scr | 7 output_len = . - 4; /* can be at unaligned address */
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| /kernel/linux/linux-5.10/include/net/ |
| D | xsk_buff_pool.h | 26 bool unaligned; member
74 bool unaligned; member
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/mtd/ |
| D | mtd-physmap.txt | 19 - no-unaligned-direct-access: boolean to disable the default direct
23 unaligned accesses as implemented in the JFFS2 code via memcpy().
24 By defining "no-unaligned-direct-access", the flash will not be
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| /kernel/linux/linux-5.10/net/xdp/ |
| D | xsk_buff_pool.c | 66 pool->unaligned = umem->flags & XDP_UMEM_UNALIGNED_CHUNK_FLAG; in xp_create_and_assign_umem()
416 if (pool->unaligned) in xp_dma_map()
469 ok = pool->unaligned ? xp_check_unaligned(pool, &addr) : in __xp_alloc()
536 addr = pool->unaligned ? xp_unaligned_add_offset_to_addr(addr) : addr; in xp_raw_get_data()
543 addr = pool->unaligned ? xp_unaligned_add_offset_to_addr(addr) : addr; in xp_raw_get_dma()
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| /kernel/linux/linux-5.10/arch/arc/lib/ |
| D | Makefile | 12 lib-$(CONFIG_ISA_ARCV2) +=memcpy-archs-unaligned.o
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| D | memcpy-archs.S | 94 ;;; CASE 1: The source is unaligned, off by 1
139 ;;; CASE 2: The source is unaligned, off by 2
180 ;;; CASE 3: The source is unaligned, off by 3
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| D | strchr-700.S | 41 breq r7,0,.Loop ; For speed, we want this branch to be unaligned.
45 breq r12,0,.Loop ; For speed, we want this branch to be unaligned.
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| /kernel/linux/linux-5.10/Documentation/dev-tools/ |
| D | ubsan.rst | 78 Detection of unaligned accesses controlled through the separate option -
80 unaligned accesses (CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y). One could
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| /kernel/liteos_m/arch/ |
| D | Kconfig | 32 This option will enable unaligned exception.
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| /kernel/uniproton/src/arch/cpu/armv7-m/cortex-m4/ |
| D | prt_vector.S | 53 @Enable DIV 0, but disbale unaligned exception, because filesystem have unaligned operation
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| /kernel/linux/linux-5.10/drivers/spi/ |
| D | spi-imx.c | 320 int unaligned; in spi_imx_buf_rx_swap() local
323 unaligned = spi_imx->remainder % 4; in spi_imx_buf_rx_swap()
325 if (!unaligned) { in spi_imx_buf_rx_swap()
337 while (unaligned--) { in spi_imx_buf_rx_swap()
339 *(u8 *)spi_imx->rx_buf = (val >> (8 * unaligned)) & 0xff; in spi_imx_buf_rx_swap()
372 int unaligned; in spi_imx_buf_tx_swap() local
375 unaligned = spi_imx->count % 4; in spi_imx_buf_tx_swap()
377 if (!unaligned) { in spi_imx_buf_tx_swap()
387 while (unaligned--) { in spi_imx_buf_tx_swap()
389 val |= *(u8 *)spi_imx->tx_buf << (8 * unaligned); in spi_imx_buf_tx_swap()
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| /kernel/linux/linux-5.10/arch/powerpc/include/asm/ |
| D | emulated_ops.h | 35 struct ppc_emulated_entry unaligned; member
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| /kernel/linux/linux-5.10/arch/arm/crypto/ |
| D | sha512-core.S_shipped | 551 vld1.64 {d0},[r1]! @ handles unaligned
588 vld1.64 {d1},[r1]! @ handles unaligned
625 vld1.64 {d2},[r1]! @ handles unaligned
662 vld1.64 {d3},[r1]! @ handles unaligned
699 vld1.64 {d4},[r1]! @ handles unaligned
736 vld1.64 {d5},[r1]! @ handles unaligned
773 vld1.64 {d6},[r1]! @ handles unaligned
810 vld1.64 {d7},[r1]! @ handles unaligned
847 vld1.64 {d8},[r1]! @ handles unaligned
884 vld1.64 {d9},[r1]! @ handles unaligned
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| D | sha1-armv4-large.S | 93 ldr r9,[r1],#4 @ handles unaligned
118 ldr r9,[r1],#4 @ handles unaligned
143 ldr r9,[r1],#4 @ handles unaligned
168 ldr r9,[r1],#4 @ handles unaligned
193 ldr r9,[r1],#4 @ handles unaligned
221 ldr r9,[r1],#4 @ handles unaligned
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| /kernel/linux/linux-5.10/arch/arc/kernel/ |
| D | Makefile | 16 obj-$(CONFIG_ARC_EMUL_UNALIGNED) += unaligned.o
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| /kernel/linux/linux-5.10/drivers/net/ethernet/broadcom/ |
| D | bgmac.c | 646 ring->unaligned = bgmac_dma_unaligned(bgmac, ring, in bgmac_dma_alloc()
648 if (ring->unaligned) in bgmac_dma_alloc()
671 ring->unaligned = bgmac_dma_unaligned(bgmac, ring, in bgmac_dma_alloc()
673 if (ring->unaligned) in bgmac_dma_alloc()
694 if (!ring->unaligned) in bgmac_dma_init()
700 if (ring->unaligned) in bgmac_dma_init()
712 if (!ring->unaligned) in bgmac_dma_init()
718 if (ring->unaligned) in bgmac_dma_init()
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| /kernel/linux/linux-5.10/lib/ |
| D | Kconfig.ubsan | 93 This option enables the check of unaligned memory accesses.
94 Enabling this option on architectures that support unaligned
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| /kernel/linux/linux-5.10/arch/parisc/kernel/ |
| D | Makefile | 11 signal.o hpmc.o real2.o parisc_ksyms.o unaligned.o \
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| /kernel/linux/linux-5.10/arch/ia64/kernel/ |
| D | Makefile | 14 salinfo.o setup.o signal.o sys_ia64.o time.o traps.o unaligned.o \
|