From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= Subject: [RFC PATCH 2/3] riscv: add build infra for JIT compiler Date: Tue, 15 Jan 2019 09:35:17 +0100 Message-ID: <20190115083518.10149-3-bjorn.topel@gmail.com> References: <20190115083518.10149-1-bjorn.topel@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , daniel@iogearbox.net, palmer@sifive.com, davidlee@sifive.com, netdev@vger.kernel.org To: linux-riscv@lists.infradead.org Return-path: Received: from mail-lf1-f66.google.com ([209.85.167.66]:38712 "EHLO mail-lf1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725869AbfAOIgA (ORCPT ); Tue, 15 Jan 2019 03:36:00 -0500 Received: by mail-lf1-f66.google.com with SMTP id a8so1368917lfk.5 for ; Tue, 15 Jan 2019 00:35:58 -0800 (PST) In-Reply-To: <20190115083518.10149-1-bjorn.topel@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: Signed-off-by: Björn Töpel --- arch/riscv/Kconfig | 1 + arch/riscv/Makefile | 4 ++++ arch/riscv/net/Makefile | 5 +++++ arch/riscv/net/bpf_jit_comp.c | 4 ++++ 4 files changed, 14 insertions(+) create mode 100644 arch/riscv/net/Makefile create mode 100644 arch/riscv/net/bpf_jit_comp.c diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index f13220904d7c..3edaa5958262 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -50,6 +50,7 @@ config RISCV select GENERIC_IRQ_MULTI_HANDLER select ARCH_HAS_PTE_SPECIAL select HAVE_EFFICIENT_UNALIGNED_ACCESS + select HAVE_EBPF_JIT if 64BIT config MMU def_bool y diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index 4b594f2e4f7e..ad487f3c1d7b 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -79,6 +79,10 @@ head-y := arch/riscv/kernel/head.o core-y += arch/riscv/kernel/ arch/riscv/mm/ +ifeq ($(CONFIG_ARCH_RV64I),y) +core-y += arch/riscv/net/ +endif + libs-y += arch/riscv/lib/ PHONY += vdso_install diff --git a/arch/riscv/net/Makefile b/arch/riscv/net/Makefile new file mode 100644 index 000000000000..b0b6ac13edf5 --- /dev/null +++ b/arch/riscv/net/Makefile @@ -0,0 +1,5 @@ +# +# RISCV networking code +# + +obj-$(CONFIG_BPF_JIT) += bpf_jit_comp.o diff --git a/arch/riscv/net/bpf_jit_comp.c b/arch/riscv/net/bpf_jit_comp.c new file mode 100644 index 000000000000..7e359d3249ee --- /dev/null +++ b/arch/riscv/net/bpf_jit_comp.c @@ -0,0 +1,4 @@ +struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) +{ + return prog; 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Tue, 15 Jan 2019 00:35:57 -0800 (PST) From: =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= To: linux-riscv@lists.infradead.org Subject: [RFC PATCH 2/3] riscv: add build infra for JIT compiler Date: Tue, 15 Jan 2019 09:35:17 +0100 Message-Id: <20190115083518.10149-3-bjorn.topel@gmail.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190115083518.10149-1-bjorn.topel@gmail.com> References: <20190115083518.10149-1-bjorn.topel@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190115_003601_117474_6E04D5EC X-CRM114-Status: GOOD ( 12.15 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , palmer@sifive.com, davidlee@sifive.com, daniel@iogearbox.net, netdev@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org U2lnbmVkLW9mZi1ieTogQmrDtnJuIFTDtnBlbCA8Ympvcm4udG9wZWxAZ21haWwuY29tPgotLS0K IGFyY2gvcmlzY3YvS2NvbmZpZyAgICAgICAgICAgIHwgMSArCiBhcmNoL3Jpc2N2L01ha2VmaWxl ICAgICAgICAgICB8IDQgKysrKwogYXJjaC9yaXNjdi9uZXQvTWFrZWZpbGUgICAgICAgfCA1ICsr KysrCiBhcmNoL3Jpc2N2L25ldC9icGZfaml0X2NvbXAuYyB8IDQgKysrKwogNCBmaWxlcyBjaGFu Z2VkLCAxNCBpbnNlcnRpb25zKCspCiBjcmVhdGUgbW9kZSAxMDA2NDQgYXJjaC9yaXNjdi9uZXQv TWFrZWZpbGUKIGNyZWF0ZSBtb2RlIDEwMDY0NCBhcmNoL3Jpc2N2L25ldC9icGZfaml0X2NvbXAu YwoKZGlmZiAtLWdpdCBhL2FyY2gvcmlzY3YvS2NvbmZpZyBiL2FyY2gvcmlzY3YvS2NvbmZpZwpp bmRleCBmMTMyMjA5MDRkN2MuLjNlZGFhNTk1ODI2MiAxMDA2NDQKLS0tIGEvYXJjaC9yaXNjdi9L Y29uZmlnCisrKyBiL2FyY2gvcmlzY3YvS2NvbmZpZwpAQCAtNTAsNiArNTAsNyBAQCBjb25maWcg UklTQ1YKIAlzZWxlY3QgR0VORVJJQ19JUlFfTVVMVElfSEFORExFUgogCXNlbGVjdCBBUkNIX0hB U19QVEVfU1BFQ0lBTAogCXNlbGVjdCBIQVZFX0VGRklDSUVOVF9VTkFMSUdORURfQUNDRVNTCisJ c2VsZWN0IEhBVkVfRUJQRl9KSVQgaWYgNjRCSVQKIAogY29uZmlnIE1NVQogCWRlZl9ib29sIHkK ZGlmZiAtLWdpdCBhL2FyY2gvcmlzY3YvTWFrZWZpbGUgYi9hcmNoL3Jpc2N2L01ha2VmaWxlCmlu ZGV4IDRiNTk0ZjJlNGY3ZS4uYWQ0ODdmM2MxZDdiIDEwMDY0NAotLS0gYS9hcmNoL3Jpc2N2L01h a2VmaWxlCisrKyBiL2FyY2gvcmlzY3YvTWFrZWZpbGUKQEAgLTc5LDYgKzc5LDEwIEBAIGhlYWQt eSA6PSBhcmNoL3Jpc2N2L2tlcm5lbC9oZWFkLm8KIAogY29yZS15ICs9IGFyY2gvcmlzY3Yva2Vy bmVsLyBhcmNoL3Jpc2N2L21tLwogCitpZmVxICgkKENPTkZJR19BUkNIX1JWNjRJKSx5KQorY29y ZS15ICs9IGFyY2gvcmlzY3YvbmV0LworZW5kaWYKKwogbGlicy15ICs9IGFyY2gvcmlzY3YvbGli LwogCiBQSE9OWSArPSB2ZHNvX2luc3RhbGwKZGlmZiAtLWdpdCBhL2FyY2gvcmlzY3YvbmV0L01h a2VmaWxlIGIvYXJjaC9yaXNjdi9uZXQvTWFrZWZpbGUKbmV3IGZpbGUgbW9kZSAxMDA2NDQKaW5k ZXggMDAwMDAwMDAwMDAwLi5iMGI2YWMxM2VkZjUKLS0tIC9kZXYvbnVsbAorKysgYi9hcmNoL3Jp c2N2L25ldC9NYWtlZmlsZQpAQCAtMCwwICsxLDUgQEAKKyMKKyMgUklTQ1YgbmV0d29ya2luZyBj b2RlCisjCisKK29iai0kKENPTkZJR19CUEZfSklUKSArPSBicGZfaml0X2NvbXAubwpkaWZmIC0t Z2l0IGEvYXJjaC9yaXNjdi9uZXQvYnBmX2ppdF9jb21wLmMgYi9hcmNoL3Jpc2N2L25ldC9icGZf aml0X2NvbXAuYwpuZXcgZmlsZSBtb2RlIDEwMDY0NAppbmRleCAwMDAwMDAwMDAwMDAuLjdlMzU5 ZDMyNDllZQotLS0gL2Rldi9udWxsCisrKyBiL2FyY2gvcmlzY3YvbmV0L2JwZl9qaXRfY29tcC5j CkBAIC0wLDAgKzEsNCBAQAorc3RydWN0IGJwZl9wcm9nICpicGZfaW50X2ppdF9jb21waWxlKHN0 cnVjdCBicGZfcHJvZyAqcHJvZykKK3sKKwlyZXR1cm4gcHJvZzsKK30KLS0gCjIuMTkuMQoKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LXJpc2N2 IG1haWxpbmcgbGlzdApsaW51eC1yaXNjdkBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0 cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcmlzY3YK