From nobody Sun Feb 8 00:39:14 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=reject dis=none) header.from=anastas.io ARC-Seal: i=1; a=rsa-sha256; t=1686581572; cv=none; d=zohomail.com; s=zohoarc; b=NmsdHJ36cg+iZvK9ZPT38qVos+2XBq9omNkNueRDUXn1H1i8QX4Tow4e5R9dDUCjuiNXyXv9OcQ25AWP9Q+Vg8DhGk0mymk5bpqvGw2MX8RuB3wjBlXbaC3nHu5DJjgREcq3XqbOkGAWub7eMMOnkuDDC2OywumQG47lfDrPgRY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1686581572; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=H+FKluqiD1QlFPBkLRFU+5SX4FgEIKrMKtiJda2Y9BE=; b=VtwcKZANbl6tjf9DVJiryh8gsfSXvc5v4JRVFfgco4rWENidi56sa0fuq2TisXT1F4LId0E3FI07TTOpQV4MPYPCJViImDiLmlfBKi9iFurBB9SKlo2sQEbFEQWUxylvmP2Vscu6U8Ybr/+5zz4wMrCqCg7Dve4UCYSEQtzDXyA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1686581572841432.1117737481118; Mon, 12 Jun 2023 07:52:52 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.547265.854554 (Exim 4.92) (envelope-from ) id 1q8iuI-0002Jh-9P; Mon, 12 Jun 2023 14:52:34 +0000 Received: by outflank-mailman (output) from mailman id 547265.854554; Mon, 12 Jun 2023 14:52:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1q8iuI-0002Ja-6u; Mon, 12 Jun 2023 14:52:34 +0000 Received: by outflank-mailman (input) for mailman id 547265; Mon, 12 Jun 2023 14:52:32 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1q8iuG-0000ov-N5 for xen-devel@lists.xenproject.org; Mon, 12 Jun 2023 14:52:32 +0000 Received: from alpha.anastas.io (alpha.anastas.io [104.248.188.109]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id c12d18e4-0930-11ee-8611-37d641c3527e; Mon, 12 Jun 2023 16:52:30 +0200 (CEST) Received: from authenticated-user (alpha.anastas.io [104.248.188.109]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by alpha.anastas.io (Postfix) with ESMTPSA id 5820043CE9; Mon, 12 Jun 2023 07:51:58 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: c12d18e4-0930-11ee-8611-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=anastas.io; s=mail; t=1686581518; bh=qfGcTUScEPS/kn+AZiR+Dr4t3spHBjWMGqcd4ljzqZI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RsLusLCecRpceUtzD0yda9QmLbh2qDyLtzaFRxmHSgeg9y4bhYsH+B+mEiv2BQhui +XvbXv7LeWOHlTKIfcqQTXhQVzTXWULfS5XTd9S6wnz4/G7X00Kiu3q4ahn3B/W7yT qbZqePy3UoDEHhYz6ktoyNbb5sTV5QasMHxb6iQ7jWOoPfSgXEyQ1KZPPJCcz2xMym yhlXS7aYyN+2mCEf2UtIpU9hEgft65VowfhGq/rsmNOrmBRzGGxCcC4c3Gcon/Hquk gPYSmd7vsgUo5J7+xhY+9/IkfA6FVEK2AavTrH3aJ/wlgwAvPzF0tAB5MS7cHo8lJ0 jTUncOwFWDfcQ== From: Shawn Anastasio To: xen-devel@lists.xenproject.org Cc: tpearson@raptorengineering.com, Shawn Anastasio , Doug Goldstein , Stefano Stabellini , Shawn Anastasio Subject: [PATCH v2 1/4] automation: Add container for ppc64le builds Date: Mon, 12 Jun 2023 09:51:36 -0500 Message-Id: In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @anastas.io) X-ZM-MESSAGEID: 1686581573309100001 Content-Type: text/plain; charset="utf-8" Add a container for cross-compiling xen for ppc64le. Signed-off-by: Shawn Anastasio --- .../build/debian/bullseye-ppc64le.dockerfile | 28 +++++++++++++++++++ automation/scripts/containerize | 1 + 2 files changed, 29 insertions(+) create mode 100644 automation/build/debian/bullseye-ppc64le.dockerfile diff --git a/automation/build/debian/bullseye-ppc64le.dockerfile b/automati= on/build/debian/bullseye-ppc64le.dockerfile new file mode 100644 index 0000000000..8a87631b52 --- /dev/null +++ b/automation/build/debian/bullseye-ppc64le.dockerfile @@ -0,0 +1,28 @@ +FROM debian:bullseye-slim +LABEL maintainer.name=3D"The Xen Project" \ + maintainer.email=3D"xen-devel@lists.xenproject.org" + +ENV DEBIAN_FRONTEND=3Dnoninteractive +ENV USER root + +# Add compiler path +ENV CROSS_COMPILE powerpc64le-linux-gnu- + +RUN mkdir /build +WORKDIR /build + +# build depends +RUN apt-get update && \ + apt-get --quiet --yes --no-install-recommends install \ + bison \ + build-essential \ + checkpolicy \ + flex \ + gawk \ + gcc-powerpc64le-linux-gnu \ + make \ + python3-minimal \ + && \ + apt-get autoremove -y && \ + apt-get clean && \ + rm -rf /var/lib/apt/lists* /tmp/* /var/tmp/* diff --git a/automation/scripts/containerize b/automation/scripts/container= ize index 5476ff0ea1..6d46f63665 100755 --- a/automation/scripts/containerize +++ b/automation/scripts/containerize @@ -33,6 +33,7 @@ case "_${CONTAINER}" in _focal) CONTAINER=3D"${BASE}/ubuntu:focal" ;; _jessie) CONTAINER=3D"${BASE}/debian:jessie" ;; _jessie-i386) CONTAINER=3D"${BASE}/debian:jessie-i386" ;; + _bullseye-ppc64le) CONTAINER=3D"${BASE}/debian:bullseye-ppc64le" ;; _stretch|_) CONTAINER=3D"${BASE}/debian:stretch" ;; _stretch-i386) CONTAINER=3D"${BASE}/debian:stretch-i386" ;; _buster-gcc-ibt) CONTAINER=3D"${BASE}/debian:buster-gcc-ibt" ;; --=20 2.30.2 From nobody Sun Feb 8 00:39:14 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=reject dis=none) header.from=anastas.io ARC-Seal: i=1; a=rsa-sha256; t=1686581550; cv=none; d=zohomail.com; s=zohoarc; b=VqXZ4HqdJyMKNZSKRsI+7lu2PUSihmAP2JbnNvoG3o9vzlPIXZdbPntzybDqhcx8C6N7lBh8JawwGfVp5Hjc9Tu//WiyOkcdq36gQuYf2Im6J6SREqNQLhPZGxpHQUprXDsFioMZxJ2k71yFsPobJMNDNGu8VHUCgXUaLzktZ/Q= ARC-Message-Signature: i=1; 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Mon, 12 Jun 2023 07:51:59 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: b005f7b8-0930-11ee-b232-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=anastas.io; s=mail; t=1686581520; bh=+YId0qIzGL2wP+hRUog7lPwPFLFjkvuez2Pylo5yEJY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IBcBZhfFq4e7RmKUQBuwDsfPyTEtt0qkaPy2g5d9AlbhGpigsoOgnMKrCQtGiSsbY o5G+MAJ22R5RUdCEObI6SlvZhg9z//AulqbARX1qf4f01/hons0QirnNYJre1A/XRi 5MRKYkIrsr9AnKzeWoxpHk36j4V+1J6RLzS6bxa5r6giqp+cBTF3nrtIoJkX0gyiif Wt180yFlYdCZCdgy7pwQkcmxAkt2JXITBeR4cJy0i9w8Wbz9ZjvvpFNrs29Y52+1AI FZEr7tQEwyVtOlyEaRHZ13yQ5iq804N1altmtEkNUSPjXpV22jT1xRH0SS7QjbmP4z 6mgIi0RRrwJXQ== From: Shawn Anastasio To: xen-devel@lists.xenproject.org Cc: tpearson@raptorengineering.com, Shawn Anastasio , Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Stefano Stabellini , Wei Liu , Shawn Anastasio Subject: [PATCH v2 2/4] xen: Add files needed for minimal ppc64le build Date: Mon, 12 Jun 2023 09:51:37 -0500 Message-Id: In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @anastas.io) X-ZM-MESSAGEID: 1686581551776100001 Content-Type: text/plain; charset="utf-8" Add the build system changes required to build for ppc64le (POWER8+). As of now the resulting image simply boots to an infinite loop. $ make XEN_TARGET_ARCH=3Dppc64 -C xen openpower_defconfig $ make XEN_TARGET_ARCH=3Dppc64 SUBSYSTEMS=3Dxen -C xen build This port targets POWER8+ CPUs running in Little Endian mode specifically, and does not boot on older machines. Additionally, this initial skeleton only implements the PaPR/pseries boot protocol which allows it to be booted in a standard QEMU virtual machine: $ qemu-system-ppc64 -M pseries-5.2 -m 256M -kernel xen/xen Signed-off-by: Shawn Anastasio --- config/ppc64.mk | 5 + xen/Makefile | 5 +- xen/arch/ppc/Kconfig | 42 ++++++ xen/arch/ppc/Kconfig.debug | 0 xen/arch/ppc/Makefile | 16 +++ xen/arch/ppc/Rules.mk | 0 xen/arch/ppc/arch.mk | 11 ++ xen/arch/ppc/configs/openpower_defconfig | 13 ++ xen/arch/ppc/include/asm/config.h | 63 +++++++++ xen/arch/ppc/include/asm/page-bits.h | 7 + xen/arch/ppc/ppc64/Makefile | 1 + xen/arch/ppc/ppc64/asm-offsets.c | 0 xen/arch/ppc/ppc64/head.S | 27 ++++ xen/arch/ppc/xen.lds.S | 173 +++++++++++++++++++++++ 14 files changed, 361 insertions(+), 2 deletions(-) create mode 100644 config/ppc64.mk create mode 100644 xen/arch/ppc/Kconfig create mode 100644 xen/arch/ppc/Kconfig.debug create mode 100644 xen/arch/ppc/Makefile create mode 100644 xen/arch/ppc/Rules.mk create mode 100644 xen/arch/ppc/arch.mk create mode 100644 xen/arch/ppc/configs/openpower_defconfig create mode 100644 xen/arch/ppc/include/asm/config.h create mode 100644 xen/arch/ppc/include/asm/page-bits.h create mode 100644 xen/arch/ppc/ppc64/Makefile create mode 100644 xen/arch/ppc/ppc64/asm-offsets.c create mode 100644 xen/arch/ppc/ppc64/head.S create mode 100644 xen/arch/ppc/xen.lds.S diff --git a/config/ppc64.mk b/config/ppc64.mk new file mode 100644 index 0000000000..597f0668c3 --- /dev/null +++ b/config/ppc64.mk @@ -0,0 +1,5 @@ +CONFIG_PPC :=3D y +CONFIG_PPC64 :=3D y +CONFIG_PPC_$(XEN_OS) :=3D y + +CONFIG_XEN_INSTALL_SUFFIX :=3D diff --git a/xen/Makefile b/xen/Makefile index e89fc461fc..db5454fb58 100644 --- a/xen/Makefile +++ b/xen/Makefile @@ -38,7 +38,7 @@ EFI_MOUNTPOINT ?=3D $(BOOT_DIR)/efi ARCH=3D$(XEN_TARGET_ARCH) SRCARCH=3D$(shell echo $(ARCH) | \ sed -e 's/x86.*/x86/' -e s'/arm\(32\|64\)/arm/g' \ - -e s'/riscv.*/riscv/g') + -e s'/riscv.*/riscv/g' -e s'/ppc.*/ppc/g') export ARCH SRCARCH =20 # Allow someone to change their config file @@ -244,7 +244,7 @@ include $(XEN_ROOT)/Config.mk export TARGET_SUBARCH :=3D $(XEN_TARGET_ARCH) export TARGET_ARCH :=3D $(shell echo $(XEN_TARGET_ARCH) | \ sed -e 's/x86.*/x86/' -e s'/arm\(32\|64\)/arm/= g' \ - -e s'/riscv.*/riscv/g') + -e s'/riscv.*/riscv/g' -e s'/ppc.*/ppc/g') =20 export CONFIG_SHELL :=3D $(SHELL) export CC CXX LD NM OBJCOPY OBJDUMP ADDR2LINE @@ -563,6 +563,7 @@ _clean: $(Q)$(MAKE) $(clean)=3Dxsm $(Q)$(MAKE) $(clean)=3Dcrypto $(Q)$(MAKE) $(clean)=3Darch/arm + $(Q)$(MAKE) $(clean)=3Darch/ppc $(Q)$(MAKE) $(clean)=3Darch/riscv $(Q)$(MAKE) $(clean)=3Darch/x86 $(Q)$(MAKE) $(clean)=3Dtest diff --git a/xen/arch/ppc/Kconfig b/xen/arch/ppc/Kconfig new file mode 100644 index 0000000000..a0a70adef4 --- /dev/null +++ b/xen/arch/ppc/Kconfig @@ -0,0 +1,42 @@ +config PPC + def_bool y + +config PPC64 + def_bool y + select 64BIT + +config ARCH_DEFCONFIG + string + default "arch/ppc/configs/openpower_defconfig" + +menu "Architecture Features" + +source "arch/Kconfig" + +endmenu + +menu "ISA Selection" + +choice + prompt "Base ISA" + default POWER_ISA_2_07B if PPC64 + help + This selects the base ISA version that Xen will target. + +config POWER_ISA_2_07B + bool "Power ISA 2.07B" + help + Target version 2.07B of the Power ISA (POWER8) + +config POWER_ISA_3_00 + bool "Power ISA 3.00" + help + Target version 3.00 of the Power ISA (POWER9) + +endchoice + +endmenu + +source "common/Kconfig" + +source "drivers/Kconfig" diff --git a/xen/arch/ppc/Kconfig.debug b/xen/arch/ppc/Kconfig.debug new file mode 100644 index 0000000000..e69de29bb2 diff --git a/xen/arch/ppc/Makefile b/xen/arch/ppc/Makefile new file mode 100644 index 0000000000..10b101cf9c --- /dev/null +++ b/xen/arch/ppc/Makefile @@ -0,0 +1,16 @@ +obj-$(CONFIG_PPC64) +=3D ppc64/ + +$(TARGET): $(TARGET)-syms + cp -f $< $@ + +$(TARGET)-syms: $(objtree)/prelink.o $(obj)/xen.lds + $(LD) $(XEN_LDFLAGS) -T $(obj)/xen.lds -N $< $(build_id_linker) -o $@ + $(NM) -pa --format=3Dsysv $(@D)/$(@F) \ + | $(objtree)/tools/symbols --all-symbols --xensyms --sysv --sort \ + >$(@D)/$(@F).map + +$(obj)/xen.lds: $(src)/xen.lds.S FORCE + $(call if_changed_dep,cpp_lds_S) + +.PHONY: include +include: diff --git a/xen/arch/ppc/Rules.mk b/xen/arch/ppc/Rules.mk new file mode 100644 index 0000000000..e69de29bb2 diff --git a/xen/arch/ppc/arch.mk b/xen/arch/ppc/arch.mk new file mode 100644 index 0000000000..c185a5028a --- /dev/null +++ b/xen/arch/ppc/arch.mk @@ -0,0 +1,11 @@ +######################################## +# Power-specific definitions + +ppc-march-$(CONFIG_POWER_ISA_2_07B) :=3D power8 +ppc-march-$(CONFIG_POWER_ISA_3_00) :=3D power9 + +CFLAGS +=3D -mcpu=3D$(ppc-march-y) -mstrict-align -mcmodel=3Dlarge -mabi= =3Delfv2 -mno-altivec -mno-vsx + +# TODO: Drop override when more of the build is working +override ALL_OBJS-y =3D arch/$(TARGET_ARCH)/built_in.o +override ALL_LIBS-y =3D diff --git a/xen/arch/ppc/configs/openpower_defconfig b/xen/arch/ppc/config= s/openpower_defconfig new file mode 100644 index 0000000000..8783eb3488 --- /dev/null +++ b/xen/arch/ppc/configs/openpower_defconfig @@ -0,0 +1,13 @@ +# CONFIG_SCHED_CREDIT is not set +# CONFIG_SCHED_RTDS is not set +# CONFIG_SCHED_NULL is not set +# CONFIG_SCHED_ARINC653 is not set +# CONFIG_TRACEBUFFER is not set +# CONFIG_HYPFS is not set +# CONFIG_GRANT_TABLE is not set +# CONFIG_SPECULATIVE_HARDEN_ARRAY is not set + +CONFIG_PPC64=3Dy +CONFIG_DEBUG=3Dy +CONFIG_DEBUG_INFO=3Dy +CONFIG_EXPERT=3Dy diff --git a/xen/arch/ppc/include/asm/config.h b/xen/arch/ppc/include/asm/c= onfig.h new file mode 100644 index 0000000000..7a2862ef7a --- /dev/null +++ b/xen/arch/ppc/include/asm/config.h @@ -0,0 +1,63 @@ +#ifndef __PPC_CONFIG_H__ +#define __PPC_CONFIG_H__ + +#include +#include + +#if defined(CONFIG_PPC64) +#define LONG_BYTEORDER 3 +#define ELFSIZE 64 +#define MAX_VIRT_CPUS 1024u +#else +#error "Unsupported PowerPC variant" +#endif + +#define BYTES_PER_LONG (1 << LONG_BYTEORDER) +#define BITS_PER_LONG (BYTES_PER_LONG << 3) +#define POINTER_ALIGN BYTES_PER_LONG + +#define BITS_PER_LLONG 64 + +/* xen_ulong_t is always 64 bits */ +#define BITS_PER_XEN_ULONG 64 + +#define CONFIG_PPC_L1_CACHE_SHIFT 7 +#define CONFIG_PAGEALLOC_MAX_ORDER 18 +#define CONFIG_DOMU_MAX_ORDER 9 +#define CONFIG_HWDOM_MAX_ORDER 10 + +#define OPT_CONSOLE_STR "dtuart" +#define INVALID_VCPU_ID MAX_VIRT_CPUS + +/* Linkage for PPC */ +#ifdef __ASSEMBLY__ +#define ALIGN .align 2 + +#define ENTRY(name) = \ + .globl name; = \ + ALIGN; = \ + name: +#endif + +#define XEN_VIRT_START _AT(UL, 0x400000) + +#define SMP_CACHE_BYTES (1 << 6) + +#define STACK_ORDER 2 +#define STACK_SIZE (PAGE_SIZE << STACK_ORDER) + +/* 288 bytes below the stack pointer must be preserved by interrupt handle= rs */ +#define STACK_VOLATILE_AREA 288 + +/* size of minimum stack frame; C code can write into the caller's stack */ +#define STACK_FRAME_OVERHEAD 32 + +#endif /* __PPC_CONFIG_H__ */ +/* + * Local variables: + * mode: C + * c-file-style: "BSD" + * c-basic-offset: 4 + * indent-tabs-mode: nil + * End: + */ diff --git a/xen/arch/ppc/include/asm/page-bits.h b/xen/arch/ppc/include/as= m/page-bits.h new file mode 100644 index 0000000000..4c01bf9716 --- /dev/null +++ b/xen/arch/ppc/include/asm/page-bits.h @@ -0,0 +1,7 @@ +#ifndef __PPC_PAGE_BITS_H__ +#define __PPC_PAGE_BITS_H__ + +#define PAGE_SHIFT 16 /* 64 KiB Pages */ +#define PADDR_BITS 48 + +#endif /* __PPC_PAGE_BITS_H__ */ diff --git a/xen/arch/ppc/ppc64/Makefile b/xen/arch/ppc/ppc64/Makefile new file mode 100644 index 0000000000..3340058c08 --- /dev/null +++ b/xen/arch/ppc/ppc64/Makefile @@ -0,0 +1 @@ +obj-y +=3D head.o diff --git a/xen/arch/ppc/ppc64/asm-offsets.c b/xen/arch/ppc/ppc64/asm-offs= ets.c new file mode 100644 index 0000000000..e69de29bb2 diff --git a/xen/arch/ppc/ppc64/head.S b/xen/arch/ppc/ppc64/head.S new file mode 100644 index 0000000000..e24331f95c --- /dev/null +++ b/xen/arch/ppc/ppc64/head.S @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +.section .text.header, "ax", %progbits + +ENTRY(start) + /* + * Depending on how we were booted, the CPU could be running in either + * Little Endian or Big Endian mode. The following trampoline from Lin= ux + * cleverly uses an instruction that encodes to a NOP if the CPU's + * endianness matches the assumption of the assembler (LE, in our case) + * or a branch to code that performs the endian switch in the other ca= se. + */ + tdi 0, 0, 0x48 /* Reverse endian of b . + 8 */ + b $ + 44 /* Skip trampoline if endian is good */ + .long 0xa600607d /* mfmsr r11 */ + .long 0x01006b69 /* xori r11,r11,1 */ + .long 0x00004039 /* li r10,0 */ + .long 0x6401417d /* mtmsrd r10,1 */ + .long 0x05009f42 /* bcl 20,31,$+4 */ + .long 0xa602487d /* mflr r10 */ + .long 0x14004a39 /* addi r10,r10,20 */ + .long 0xa6035a7d /* mtsrr0 r10 */ + .long 0xa6037b7d /* mtsrr1 r11 */ + .long 0x2400004c /* rfid */ + + /* Now that the endianness is confirmed, continue */ +1: b 1b diff --git a/xen/arch/ppc/xen.lds.S b/xen/arch/ppc/xen.lds.S new file mode 100644 index 0000000000..89fcdc9c00 --- /dev/null +++ b/xen/arch/ppc/xen.lds.S @@ -0,0 +1,173 @@ +#include + +#undef ENTRY +#undef ALIGN + +OUTPUT_ARCH(powerpc:common64) +ENTRY(start) + +PHDRS +{ + text PT_LOAD ; +#if defined(BUILD_ID) + note PT_NOTE ; +#endif +} + +/** + * OF's base load address is 0x400000 (XEN_VIRT_START). + * By defining sections this way, we can keep our virtual address base at = 0x400000 + * while keeping the physical base at 0x0. + * + * Without this, OF incorrectly loads .text at 0x400000 + 0x400000 =3D 0x8= 00000. + * Taken from x86/xen.lds.S + */ +#ifdef CONFIG_LD_IS_GNU +# define DECL_SECTION(x) x : AT(ADDR(#x) - XEN_VIRT_START) +#else +# define DECL_SECTION(x) x : AT(ADDR(x) - XEN_VIRT_START) +#endif + +SECTIONS +{ + . =3D XEN_VIRT_START; + + DECL_SECTION(.text) { + _stext =3D .; /* Text section */ + *(.text.header) + + *(.text.cold) + *(.text.unlikely .text.*_unlikely .text.unlikely.*) + + *(.text) +#ifdef CONFIG_CC_SPLIT_SECTIONS + *(.text.*) +#endif + + *(.fixup) + *(.gnu.warning) + . =3D ALIGN(POINTER_ALIGN); + _etext =3D .; /* End of text section */ + } :text + + . =3D ALIGN(PAGE_SIZE); + DECL_SECTION(.rodata) { + _srodata =3D .; /* Read-only data */ + *(.rodata) + *(.rodata.*) + *(.data.rel.ro) + *(.data.rel.ro.*) + + VPCI_ARRAY + + . =3D ALIGN(POINTER_ALIGN); + _erodata =3D .; /* End of read-only data */ + } :text + + #if defined(BUILD_ID) + . =3D ALIGN(4); + DECL_SECTION(.note.gnu.build-id) { + __note_gnu_build_id_start =3D .; + *(.note.gnu.build-id) + __note_gnu_build_id_end =3D .; + } :note :text + #endif + _erodata =3D .; /* End of read-only data */ + + . =3D ALIGN(PAGE_SIZE); + DECL_SECTION(.data.ro_after_init) { + __ro_after_init_start =3D .; + *(.data.ro_after_init) + . =3D ALIGN(PAGE_SIZE); + __ro_after_init_end =3D .; + } : text + + DECL_SECTION(.data.read_mostly) { + *(.data.read_mostly) + } :text + + . =3D ALIGN(PAGE_SIZE); + DECL_SECTION(.data) { /* Data */ + *(.data.page_aligned) + . =3D ALIGN(8); + __start_schedulers_array =3D .; + *(.data.schedulers) + __end_schedulers_array =3D .; + + HYPFS_PARAM + + *(.data .data.*) + CONSTRUCTORS + } :text + + . =3D ALIGN(PAGE_SIZE); /* Init code and data */ + __init_begin =3D .; + DECL_SECTION(.init.text) { + _sinittext =3D .; + *(.init.text) + _einittext =3D .; + . =3D ALIGN(PAGE_SIZE); /* Avoid mapping alt insns executab= le */ + } :text + + . =3D ALIGN(PAGE_SIZE); + DECL_SECTION(.init.data) { + *(.init.rodata) + *(.init.rodata.*) + + . =3D ALIGN(POINTER_ALIGN); + __setup_start =3D .; + *(.init.setup) + __setup_end =3D .; + + __initcall_start =3D .; + *(.initcallpresmp.init) + __presmp_initcall_end =3D .; + *(.initcall1.init) + __initcall_end =3D .; + + LOCK_PROFILE_DATA + + *(.init.data) + *(.init.data.rel) + *(.init.data.rel.*) + + . =3D ALIGN(8); + __ctors_start =3D .; + *(.ctors) + *(.init_array) + *(SORT(.init_array.*)) + __ctors_end =3D .; + } :text + . =3D ALIGN(POINTER_ALIGN); + __init_end =3D .; + + DECL_SECTION(.bss) { /* BSS */ + __bss_start =3D .; + *(.bss.stack_aligned) + . =3D ALIGN(PAGE_SIZE); + *(.bss.page_aligned) + . =3D ALIGN(PAGE_SIZE); + __per_cpu_start =3D .; + *(.bss.percpu.page_aligned) + *(.bss.percpu) + . =3D ALIGN(SMP_CACHE_BYTES); + *(.bss.percpu.read_mostly) + . =3D ALIGN(SMP_CACHE_BYTES); + __per_cpu_data_end =3D .; + *(.bss .bss.*) + . =3D ALIGN(POINTER_ALIGN); + __bss_end =3D .; + } :text + _end =3D . ; + + /* Section for the device tree blob (if any). */ + DECL_SECTION(.dtb) { *(.dtb) } :text + + DWARF2_DEBUG_SECTIONS + + DISCARD_SECTIONS + + STABS_DEBUG_SECTIONS + + ELF_DETAILS_SECTIONS +} --=20 2.30.2 From nobody Sun Feb 8 00:39:14 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=reject dis=none) header.from=anastas.io ARC-Seal: i=1; a=rsa-sha256; t=1686581554; cv=none; d=zohomail.com; s=zohoarc; b=kptzefg7AwXJ5v0EymXG8r466KSxyivFtrr+nxDiRHn0vb9FCWDWKeTuKcyAlkcRs6o7+MVShoTfvMK4apczV7trHApoS7AJm9KqYmI3N/XaItYt/aD1k98/CLoKSMtSlMws2FQJbS7vVzbY1Pxz+zneGIQfQyMMzNBwnNCtXx0= ARC-Message-Signature: i=1; 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Mon, 12 Jun 2023 07:52:01 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: b0e1ce15-0930-11ee-8611-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=anastas.io; s=mail; t=1686581522; bh=kxbZekarbGjd8rLMSqsHPRGP6CUOtSZDXh+06sP8JiI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=d1TAt1LeXpsrCV+A5KmR/YXVLRVydto7elZ7zpPBzVnBIKXkv1vwTFvKhk/quHXRz mU6bwiKluxY7rJnO+pj0j4b2IG3I3LNxMfFm0HIQs0PLzySPXcF+8VWTMJmmHSuxiy TlH6HWkcVpPihUL8xWNdTuoZ31TFwhoM4zgcjyGJioUg7gQD9BpAQ2aOzxngFBri8e /sNnD3oQLpkrA2rb6t9ZknzmIxmQr8/tz+9jXKYUYjpaN0boDtXtLF/H/29bXHytVi 8LeQQ1gFVEJ/zivpk0dpfeIekznRlIGoF9zqUdjV8/2xRWvG0NMLb/zRewfj4WY99q 0NtAYKtE9NwWA== From: Shawn Anastasio To: xen-devel@lists.xenproject.org Cc: tpearson@raptorengineering.com, Shawn Anastasio , Doug Goldstein , Stefano Stabellini , Shawn Anastasio Subject: [PATCH v2 3/4] automation: Add ppc64le cross-build jobs Date: Mon, 12 Jun 2023 09:51:38 -0500 Message-Id: In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @anastas.io) X-ZM-MESSAGEID: 1686581555495100001 Content-Type: text/plain; charset="utf-8" Add build jobs to cross-compile Xen for ppc64le. Signed-off-by: Shawn Anastasio --- automation/gitlab-ci/build.yaml | 60 +++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/automation/gitlab-ci/build.yaml b/automation/gitlab-ci/build.y= aml index 420ffa5acb..bd8c7332db 100644 --- a/automation/gitlab-ci/build.yaml +++ b/automation/gitlab-ci/build.yaml @@ -183,6 +183,33 @@ variables: <<: *gcc =20 +.ppc64le-cross-build-tmpl: + <<: *build + variables: + XEN_TARGET_ARCH: ppc64 + tags: + - x86_64 + +.ppc64le-cross-build: + extends: .ppc64le-cross-build-tmpl + variables: + debug: n + +.ppc64le-cross-build-debug: + extends: .ppc64le-cross-build-tmpl + variables: + debug: y + +.gcc-ppc64le-cross-build: + extends: .ppc64le-cross-build + variables: + <<: *gcc + +.gcc-ppc64le-cross-build-debug: + extends: .ppc64le-cross-build-debug + variables: + <<: *gcc + .yocto-test: stage: build image: registry.gitlab.com/xen-project/xen/${CONTAINER} @@ -516,6 +543,39 @@ archlinux-current-gcc-riscv64-debug-randconfig: EXTRA_FIXED_RANDCONFIG: CONFIG_COVERAGE=3Dn =20 +# Power cross-build +debian-bullseye-gcc-ppc64le: + extends: .gcc-ppc64le-cross-build + variables: + CONTAINER: debian:bullseye-ppc64le + KBUILD_DEFCONFIG: openpower_defconfig + HYPERVISOR_ONLY: y + +debian-bullseye-gcc-ppc64le-debug: + extends: .gcc-ppc64le-cross-build-debug + variables: + CONTAINER: debian:bullseye-ppc64le + KBUILD_DEFCONFIG: openpower_defconfig + HYPERVISOR_ONLY: y + +debian-bullseye-gcc-ppc64le-randconfig: + extends: .gcc-ppc64le-cross-build + variables: + CONTAINER: debian:bullseye-ppc64le + KBUILD_DEFCONFIG: openpower_defconfig + RANDCONFIG: y + EXTRA_FIXED_RANDCONFIG: + CONFIG_COVERAGE=3Dn + +debian-bullseye-gcc-ppc64le-debug-randconfig: + extends: .gcc-ppc64le-cross-build-debug + variables: + CONTAINER: debian:bullseye-ppc64le + KBUILD_DEFCONFIG: openpower_defconfig + RANDCONFIG: y + EXTRA_FIXED_RANDCONFIG: + CONFIG_COVERAGE=3Dn + # Yocto test jobs yocto-qemuarm64: extends: .yocto-test-arm64 --=20 2.30.2 From nobody Sun Feb 8 00:39:14 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; 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t=1686581524; bh=QMlp6vVYLLO4ySA+tnP41d21m4WRIgsuxZbtRtfvbEc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PEdzWcq2SJ1Gz1AqkF+GmSK9fFFW3yVucHXDzdrpmemcfrtjRUEyEvy91NuQMQmVX bdceifG9bUt5m/b2q9xXdJEEdwrawXuW6f7OLGglrVoetl8JuPq6zSWwMJxblFUoH4 op4X6eSqziRQoSjVbAcqfrv6VGWPnVoezytd52YKsjeQsCXLzqXArGCyJ3fyGRqUYP p7jDzJJRVNvugRDKKmxwPvJxefCQv6TXJ+eGKUmm7YVZilR/2e5EG5oHgdQj8n+iU9 vHbErQQRqGQPmnOBAVqjBeze1EI1P8DJA9xoxlPh3Cp1WWHt9+RxUfMqs5n8ywEX5W Mu5DGTMALJ3WA== From: Shawn Anastasio To: xen-devel@lists.xenproject.org Cc: tpearson@raptorengineering.com, Shawn Anastasio , Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Stefano Stabellini , Wei Liu , Shawn Anastasio Subject: [PATCH v2 4/4] maintainers: Add ppc64 maintainer Date: Mon, 12 Jun 2023 09:51:39 -0500 Message-Id: In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @anastas.io) X-ZM-MESSAGEID: 1686581605541100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Shawn Anastasio --- MAINTAINERS | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 1bb7a6a839..8966175400 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -460,6 +460,10 @@ X: xen/arch/x86/acpi/lib.c F: xen/drivers/cpufreq/ F: xen/include/acpi/cpufreq/ =20 +PPC64 +M: Shawn Anastasio +F: xen/arch/ppc + PUBLIC I/O INTERFACES AND PV DRIVERS DESIGNS M: Juergen Gross S: Supported --=20 2.30.2