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/linux/arch/riscv/kernel/
A Dkexec_relocate.S29 mv s5, zero
30 mv s6, zero
107 mv a3, zero
108 mv a4, zero
109 mv a5, zero
110 mv a6, zero
111 mv a7, zero
113 mv s0, zero
114 mv s1, zero
115 mv s2, zero
[all …]
A Dhead.S131 csrw CSR_IE, zero
132 csrw CSR_IP, zero
199 csrw CSR_IE, zero
200 csrw CSR_IP, zero
287 REG_S zero, (a3)
402 fmv.s.x f0, zero
403 fmv.s.x f1, zero
404 fmv.s.x f2, zero
405 fmv.s.x f3, zero
406 fmv.s.x f4, zero
[all …]
/linux/arch/loongarch/lib/
A Dclear_user.S34 1: st.b zero, a0, 0
105 move a0, zero
116 move a0, zero
121 move a0, zero
126 move a0, zero
132 move a0, zero
137 move a0, zero
143 move a0, zero
149 move a0, zero
155 move a0, zero
[all …]
/linux/arch/powerpc/crypto/
A Dghashp10-ppc.pl85 vxor $zero,$zero,$zero
101 vsldoi $Hh,$H,$zero,8
127 vxor $zero,$zero,$zero
143 vsldoi $Hh,$H,$zero,8
159 vsldoi $t0,$Xm,$zero,8
160 vsldoi $t1,$zero,$Xm,8
193 vsldoi $t0,$Xm,$zero,8
218 vsldoi $Hl,$zero,$H,8
219 vsldoi $Hh,$H,$zero,8
257 vxor $zero,$zero,$zero
[all …]
A Dghashp8-ppc.pl83 vxor $zero,$zero,$zero
85 vsldoi $xC2,$xC2,$zero,15 # 0xe1...
86 vsldoi $t1,$zero,$t0,1 # ...1
97 vsldoi $xC2,$zero,$xC2,8 # 0xc2.0
99 vsldoi $Hh,$H,$zero,8
130 vxor $zero,$zero,$zero
138 vsldoi $t0,$Xm,$zero,8
139 vsldoi $t1,$zero,$Xm,8
178 vxor $zero,$zero,$zero
199 vsldoi $t0,$Xm,$zero,8
[all …]
A Daesp10-ppc.pl185 vxor $zero,$zero,$zero
202 vsldoi $tmp,$zero,$in0,12 # >>32
211 vsldoi $tmp,$zero,$tmp,12 # >>32
213 vsldoi $tmp,$zero,$tmp,12 # >>32
222 vsldoi $tmp,$zero,$in0,12 # >>32
231 vsldoi $tmp,$zero,$tmp,12 # >>32
233 vsldoi $tmp,$zero,$tmp,12 # >>32
239 vsldoi $tmp,$zero,$in0,12 # >>32
248 vsldoi $tmp,$zero,$tmp,12 # >>32
250 vsldoi $tmp,$zero,$tmp,12 # >>32
[all …]
/linux/arch/loongarch/mm/
A Dpage.S16 st.d zero, a0, 0
17 st.d zero, a0, 8
18 st.d zero, a0, 16
19 st.d zero, a0, 24
20 st.d zero, a0, 32
21 st.d zero, a0, 40
22 st.d zero, a0, 48
23 st.d zero, a0, 56
25 st.d zero, a0, -64
26 st.d zero, a0, -56
[all …]
/linux/tools/testing/selftests/bpf/progs/
A Dtest_sockmap_listen.c65 __u32 zero = 0; in prog_stream_verdict() local
69 verdict = bpf_sk_redirect_map(skb, &sock_map, zero, 0); in prog_stream_verdict()
71 verdict = bpf_sk_redirect_hash(skb, &sock_hash, &zero, 0); in prog_stream_verdict()
84 __u32 zero = 0; in prog_skb_verdict() local
88 verdict = bpf_sk_redirect_map(skb, &sock_map, zero, in prog_skb_verdict()
91 verdict = bpf_sk_redirect_hash(skb, &sock_hash, &zero, in prog_skb_verdict()
105 __u32 zero = 0; in prog_msg_verdict() local
109 verdict = bpf_msg_redirect_map(msg, &sock_map, zero, 0); in prog_msg_verdict()
111 verdict = bpf_msg_redirect_hash(msg, &sock_hash, &zero, 0); in prog_msg_verdict()
125 __u32 zero = 0; in prog_reuseport() local
[all …]
A Dtest_tc_neigh.c89 __u8 zero[ETH_ALEN * 2]; in tc_dst() local
104 __builtin_memset(&zero, 0, sizeof(zero)); in tc_dst()
105 if (bpf_skb_store_bytes(skb, 0, &zero, sizeof(zero), 0) < 0) in tc_dst()
114 __u8 zero[ETH_ALEN * 2]; in tc_src() local
129 __builtin_memset(&zero, 0, sizeof(zero)); in tc_src()
130 if (bpf_skb_store_bytes(skb, 0, &zero, sizeof(zero), 0) < 0) in tc_src()
A Dtest_sockmap_kern.h112 int len, *f, ret, zero = 0; in bpf_prog2() local
124 f = bpf_map_lookup_elem(&sock_skb_opts, &zero); in bpf_prog2()
242 bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero); in bpf_prog4()
245 start = bpf_map_lookup_elem(&sock_bytes, &zero); in bpf_prog4()
274 bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero); in bpf_prog6()
278 start = bpf_map_lookup_elem(&sock_bytes, &zero); in bpf_prog6()
296 f = bpf_map_lookup_elem(&sock_redir_flags, &zero); in bpf_prog6()
313 int ret = 0, *bytes, zero = 0; in bpf_prog8() local
335 int ret = 0, *bytes, zero = 0; in bpf_prog9() local
337 bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero); in bpf_prog9()
[all …]
A Dverifier_sockmap_mutate.c38 int zero = 0; variable
42 bpf_map_delete_elem(&sockmap, &zero); in test_sockmap_delete()
43 bpf_map_delete_elem(&sockhash, &zero); in test_sockmap_delete()
49 bpf_map_update_elem(&sockmap, &zero, sk, BPF_ANY); in test_sockmap_update()
50 bpf_map_update_elem(&sockhash, &zero, sk, BPF_ANY); in test_sockmap_update()
56 struct bpf_sock *sk = bpf_map_lookup_elem(&sockmap, &zero); in test_sockmap_lookup_and_update()
176 bpf_sock_map_update(ctx, &sockmap, &zero, BPF_ANY); in test_sockops_update_dedicated()
177 bpf_sock_hash_update(ctx, &sockhash, &zero, BPF_ANY); in test_sockops_update_dedicated()
/linux/arch/xtensa/lib/
A Dstrnlen_user.S74 bnone a9, a5, .Lz0 # if byte 0 is zero
75 bnone a9, a6, .Lz1 # if byte 1 is zero
88 bnone a9, a5, .Lz0 # if byte 0 is zero
89 bnone a9, a6, .Lz1 # if byte 1 is zero
104 .Lz3: # byte 3 is zero
105 addi a4, a4, 3 # point to zero byte
106 .Lz0: # byte 0 is zero
110 .Lz1: # byte 1 is zero
114 .Lz2: # byte 2 is zero
122 beqz a9, .Lz3 # if byte 0 is zero
[all …]
A Dstrncpy_user.S55 beqz a4, .Lret # if len is zero
72 beqz a9, .Lret # if byte 0 is zero
75 beqz a4, .Lret # if len is zero
82 beqz a9, .Lret # if byte 0 is zero
85 beqz a4, .Lret # if len is zero
89 beqz a9, .Lret # if byte 0 is zero
142 beqz a9, .Lret # if byte is zero
147 .Lz3: # byte 3 is zero
151 .Lz0: # byte 0 is zero
158 .Lz1: # byte 1 is zero
[all …]
/linux/arch/nios2/kernel/
A Dinsnemu.S212 bne r7, zero, multiply
271 sub r3, zero, r3 /* -r3 */
274 sub r5, zero, r5 /* -r5 */
325 bne r14, zero, divide_loop
341 sub r3, zero, r3 /* -r3 */
447 beq r7, zero, mulx_skip
459 bge r5, zero, mul_skip
507 beq r7, zero, store_product
514 beq r7, zero, store_product
520 bge r3, zero, mulxsu_skip
[all …]
/linux/lib/
A Dstackinit_kunit.c81 #define ZERO_CLONE_SCALAR(zero) memset(&(zero), 0x00, sizeof(zero)) argument
82 #define ZERO_CLONE_STRING(zero) memset(&(zero), 0x00, sizeof(zero)) argument
89 memset(&(zero), 0xFF, sizeof(zero)); \
90 zero.one = 0; \
91 zero.two = 0; \
92 zero.three = 0; \
93 zero.four = 0; \
168 ZERO_CLONE_ ## which(zero); \
173 FETCH_ARG_ ## which(zero)); \
440 KUNIT_test_scalars(zero),
[all …]
/linux/drivers/misc/lkdtm/
A Drefcount.c108 refcount_t zero = REFCOUNT_INIT(2); in lkdtm_REFCOUNT_DEC_ZERO() local
111 refcount_dec(&zero); in lkdtm_REFCOUNT_DEC_ZERO()
114 refcount_dec(&zero); in lkdtm_REFCOUNT_DEC_ZERO()
116 check_zero(&zero); in lkdtm_REFCOUNT_DEC_ZERO()
223 refcount_t zero = REFCOUNT_INIT(0); in lkdtm_REFCOUNT_INC_ZERO() local
228 if (refcount_read(&zero) == 0) in lkdtm_REFCOUNT_INC_ZERO()
237 refcount_inc(&zero); in lkdtm_REFCOUNT_INC_ZERO()
239 check_from_zero(&zero); in lkdtm_REFCOUNT_INC_ZERO()
253 if (refcount_read(&zero) == 0) in lkdtm_REFCOUNT_ADD_ZERO()
262 refcount_add(3, &zero); in lkdtm_REFCOUNT_ADD_ZERO()
[all …]
/linux/arch/arm/include/asm/
A Dtlbflush.h318 const int zero = 0; in __local_flush_tlb_all() local
328 const int zero = 0; in local_flush_tlb_all() local
335 tlb_op(TLB_V7_UIS_FULL, "c8, c7, 0", zero); in local_flush_tlb_all()
345 const int zero = 0; in __flush_tlb_all() local
352 tlb_op(TLB_V7_UIS_FULL, "c8, c3, 0", zero); in __flush_tlb_all()
362 const int zero = 0; in __local_flush_tlb_mm() local
415 const int zero = 0; in __local_flush_tlb_page() local
474 const int zero = 0; in __local_flush_tlb_kernel_page() local
530 const int zero = 0; in __local_flush_bp_all() local
539 const int zero = 0; in local_flush_bp_all() local
[all …]
/linux/arch/riscv/crypto/
A Daes-riscv64-zvkned-zvbb-zvkg.S92 vsetivli zero, 4, e32, m1, ta, ma
113 vsetvli zero, t0, e32, m1, ta, ma
119 vsetvli zero, t0, e64, m2, ta, ma
123 vsetvli zero, t1, e32, m2, ta, ma
143 vsetivli zero, 2, e64, m1, ta, ma
145 vsetivli zero, 1, e64, m1, tu, ma
163 vsetivli zero, 4, e32, m1, ta, ma
165 vsetivli zero, 1, e8, m1, tu, ma
215 vsetivli zero, 4, e32, m4, ta, ma
217 vsetivli zero, 4, e32, m1, ta, ma
[all …]
/linux/drivers/mfd/
A D88pm860x-i2c.c143 unsigned char zero; in pm860x_page_reg_write() local
147 read_device(i2c, 0xFA, 0, &zero); in pm860x_page_reg_write()
148 read_device(i2c, 0xFB, 0, &zero); in pm860x_page_reg_write()
149 read_device(i2c, 0xFF, 0, &zero); in pm860x_page_reg_write()
151 read_device(i2c, 0xFE, 0, &zero); in pm860x_page_reg_write()
152 read_device(i2c, 0xFC, 0, &zero); in pm860x_page_reg_write()
161 unsigned char zero = 0; in pm860x_page_bulk_read() local
165 read_device(i2c, 0xfa, 0, &zero); in pm860x_page_bulk_read()
166 read_device(i2c, 0xfb, 0, &zero); in pm860x_page_bulk_read()
167 read_device(i2c, 0xff, 0, &zero); in pm860x_page_bulk_read()
[all …]
/linux/net/sunrpc/xprtrdma/
A Dsvc_rdma.c66 static unsigned int zero; variable
173 .extra1 = &zero,
174 .extra2 = &zero,
182 .extra1 = &zero,
183 .extra2 = &zero,
191 .extra1 = &zero,
192 .extra2 = &zero,
200 .extra1 = &zero,
201 .extra2 = &zero,
209 .extra1 = &zero,
[all …]
/linux/arch/alpha/lib/
A Dstrrchr.S22 zapnot a1, 1, a1 # e0 : zero extend our test character
23 mov zero, t6 # .. e1 : t6 is last match aligned addr
25 mov zero, t8 # .. e1 : t8 is last match byte compare mask
33 cmpbge zero, t0, t1 # .. e1 : bits set iff byte == zero
36 xor t0, a1, t2 # e0 : make bytes == c zero
37 cmpbge zero, t4, t4 # .. e1 : bits set iff byte is garbage
38 cmpbge zero, t2, t3 # e0 : bits set iff byte == c
50 cmpbge zero, t0, t1 # .. e1 : bits set iff byte == zero
51 cmpbge zero, t2, t3 # e0 : bits set iff byte == c
85 mov zero, v0 # e0 :
A Dstrchr.S22 zapnot a1, 1, a1 # e0 : zero extend the search character
29 cmpbge zero, t0, t2 # .. e1 : bits set iff byte == zero
33 cmpbge zero, t4, t4 # .. e1 : bits set iff byte is garbage
35 xor t0, a1, t1 # .. e1 : make bytes == c zero
36 cmpbge zero, t1, t3 # e0 : bits set iff byte == c
37 or t2, t3, t0 # e1 : bits set iff char match or zero match
45 cmpbge zero, t0, t2 # e0 : bits set iff byte == 0
46 cmpbge zero, t1, t3 # .. e1 : bits set iff byte == c
68 mov zero, v0 # e0 :
/linux/arch/arm/mach-zynq/
A Dplatsmp.c40 static u8 __iomem *zero; in zynq_cpun_start() local
47 zero = ioremap(0, trampoline_code_size); in zynq_cpun_start()
48 if (!zero) { in zynq_cpun_start()
53 zero = (__force u8 __iomem *)PAGE_OFFSET; in zynq_cpun_start()
62 memcpy_toio(zero, &zynq_secondary_trampoline, in zynq_cpun_start()
64 writel(address, zero + trampoline_size); in zynq_cpun_start()
71 iounmap(zero); in zynq_cpun_start()
/linux/Documentation/admin-guide/device-mapper/
A Dzero.rst2 dm-zero
5 Device-Mapper's "zero" target provides a block-device that always returns
6 zero'd data on reads and silently drops writes. This is similar behavior to
7 /dev/zero, but as a block-device instead of a character-device.
9 Dm-zero has no target-specific parameters.
11 One very interesting use of dm-zero is for creating "sparse" devices in
15 device. Reads to previously unwritten areas will return a zero'd buffer. When
20 To create a sparse device, start by creating a dm-zero device that's the
25 echo "0 $TEN_TERABYTES zero" | dmsetup create zero1
27 Then create a snapshot of the zero device, using any available block-device as
/linux/arch/m68k/fpsp040/
A Ddo_func.S118 bne ld_mzero |if neg, load neg zero
119 bra ld_pzero |load positive zero
259 .long smod_zro | 01,00 zero,norm = +-zero
260 .long smod_oper | 01,01 zero,zero = nan with operr
261 .long smod_zro | 01,10 zero,inf = +-zero
288 | ;01 = zero
416 .long sscale | 00,01 norm,zero = fpn
419 .long scl_zro | 01,00 zero,norm = +-zero
420 .long scl_zro | 01,01 zero,zero = +-zero
422 .long scl_snan | 01,11 zero,nan = nan
[all …]

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