Searched full:zbb (Results 1 – 15 of 15) sorted by relevance
| /linux-6.8/arch/riscv/lib/ |
| D | csum.c | 44 * Zbb support saves 4 instructions, so not worth checking without in csum_ipv6_magic()
52 * Zbb is likely available when the kernel is compiled with Zbb in csum_ipv6_magic()
53 * support, so nop when Zbb is available and jump when Zbb is in csum_ipv6_magic()
63 .option arch,+zbb \n\ in csum_ipv6_magic()
161 * Zbb support saves 6 instructions, so not worth checking without in do_csum_with_alignment()
169 * Zbb is likely available when the kernel is compiled with Zbb in do_csum_with_alignment()
170 * support, so nop when Zbb is available and jump when Zbb is in do_csum_with_alignment()
182 .option arch,+zbb \n\ in do_csum_with_alignment()
197 .option arch,+zbb \n\ in do_csum_with_alignment()
248 * Zbb support saves 6 instructions, so not worth checking without in do_csum_no_alignment()
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| D | strcmp.S | 42 * Variant of strcmp using the ZBB extension if available.
50 .option arch,+zbb
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| D | strlen.S | 34 * Variant of strlen using the ZBB extension if available
48 .option arch,+zbb
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| D | strncmp.S | 47 * Variant of strncmp using the ZBB extension if available
53 .option arch,+zbb
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| /linux-6.8/arch/riscv/include/asm/ |
| D | checksum.h | 49 * ZBB only saves three instructions on 32-bit and five on 64-bit so not in ip_fast_csum()
65 .option arch,+zbb \n\ in ip_fast_csum()
73 .option arch,+zbb \n\ in ip_fast_csum()
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| D | arch_hweight.h | 28 ".option arch,+zbb\n" in __arch_hweight32()
59 ".option arch,+zbb\n" in __arch_hweight64()
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| D | bitops.h | 47 ".option arch,+zbb\n" in variable__ffs()
103 ".option arch,+zbb\n" in variable__fls()
162 ".option arch,+zbb\n" in variable_ffs()
217 ".option arch,+zbb\n" in variable_fls()
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| /linux-6.8/arch/riscv/boot/dts/starfive/ |
| D | jh7110.dtsi | 32 riscv,isa-extensions = "i", "m", "a", "c", "zba", "zbb", "zicntr", "zicsr",
61 riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zba", "zbb", "zicntr",
94 riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zba", "zbb", "zicntr",
127 riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zba", "zbb", "zicntr",
160 riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zba", "zbb", "zicntr",
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| /linux-6.8/Documentation/devicetree/bindings/riscv/ |
| D | extensions.yaml | 187 - const: zbb
189 The standard Zbb bit-manipulation extension for basic bit-manipulation
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| /linux-6.8/arch/riscv/ |
| D | Kconfig | 581 bool "Zbb extension support for bit manipulation instructions"
587 Adds support to dynamically detect the presence of the ZBB
590 The Zbb extension provides instructions to accelerate a number
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| /linux-6.8/tools/testing/selftests/kvm/riscv/ |
| D | get-reg-list.c | 423 KVM_ISA_EXT_ARR(ZBB), in isa_ext_single_id_to_str()
944 KVM_ISA_EXT_SIMPLE_CONFIG(zbb, ZBB);
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| /linux-6.8/Documentation/arch/riscv/ |
| D | hwprobe.rst | 88 * :c:macro:`RISCV_HWPROBE_EXT_ZBB`: The Zbb extension is supported, as defined
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| /linux-6.8/arch/riscv/kernel/ |
| D | sys_hwprobe.c | 96 EXT_KEY(ZBB); in hwprobe_isa_ext0()
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| D | cpufeature.c | 278 __RISCV_ISA_EXT_DATA(zbb, RISCV_ISA_EXT_ZBB),
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| /linux-6.8/arch/riscv/kvm/ |
| D | vcpu_onereg.c | 44 KVM_ISA_EXT_ARR(ZBB),
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