diff options
| -rw-r--r-- | doc/contributing.texi | 1 | ||||
| -rw-r--r-- | doc/guix.texi | 12 | ||||
| -rw-r--r-- | gnu/services/virtualization.scm | 227 |
3 files changed, 129 insertions, 111 deletions
diff --git a/doc/contributing.texi b/doc/contributing.texi index c9dd7d6c04..e105467480 100644 --- a/doc/contributing.texi +++ b/doc/contributing.texi @@ -1016,7 +1016,6 @@ your @code{operating-system} configuration: (service qemu-binfmt-service-type (qemu-binfmt-configuration (platforms (lookup-qemu-platforms "arm" "aarch64")) - (guix-support? #t))) @end lisp Then reconfigure your system. diff --git a/doc/guix.texi b/doc/guix.texi index 3e7ffc81bc..e6ef7dbe03 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -28723,13 +28723,6 @@ This is the configuration for the @code{qemu-binfmt} service. The list of emulated QEMU platforms. Each item must be a @dfn{platform object} as returned by @code{lookup-qemu-platforms} (see below). -@item @code{guix-support?} (default: @code{#t}) -When it is true, QEMU and all its dependencies are added to the build -environment of @command{guix-daemon} (@pxref{Invoking guix-daemon, -@option{--chroot-directory} option}). This allows the @code{binfmt_misc} -handlers to be used within the build environment, which in turn means -that you can transparently build programs for another architecture. - For example, let's suppose you're on an x86_64 machine and you have this service: @@ -28737,7 +28730,6 @@ service: (service qemu-binfmt-service-type (qemu-binfmt-configuration (platforms (lookup-qemu-platforms "arm")) - (guix-support? #t))) @end lisp You can run: @@ -28752,10 +28744,6 @@ build}, transparently using QEMU to emulate the ARMv7 CPU@. Pretty handy if you'd like to test a package build for an architecture you don't have access to! -When @code{guix-support?} is set to @code{#f}, programs for other -architectures can still be executed transparently, but invoking commands -like @command{guix build -s armhf-linux @dots{}} will fail. - @item @code{qemu} (default: @code{qemu}) The QEMU package to use. @end table diff --git a/gnu/services/virtualization.scm b/gnu/services/virtualization.scm index a45da14a80..36e9feb05c 100644 --- a/gnu/services/virtualization.scm +++ b/gnu/services/virtualization.scm @@ -554,13 +554,14 @@ potential infinite waits blocking libvirt.")) ;;; ;; Platforms that QEMU can emulate. -(define-record-type <qemu-platform> - (qemu-platform name family magic mask) +(define-record-type* <qemu-platform> + qemu-platform make-qemu-platform qemu-platform? (name qemu-platform-name) ;string (family qemu-platform-family) ;string (magic qemu-platform-magic) ;bytevector - (mask qemu-platform-mask)) ;bytevector + (mask qemu-platform-mask) ;bytevector + (flags qemu-platform-flags (default "F"))) ;string (define-syntax bv (lambda (s) @@ -577,125 +578,173 @@ potential infinite waits blocking libvirt.")) ;;; 'scripts/qemu-binfmt-conf.sh' in QEMU. (define %i386 - (qemu-platform "i386" "i386" - (bv "\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x03\x00") - (bv "\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff"))) + (qemu-platform + (name "i386") + (family "i386") + (magic (bv "\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x03\x00")) + (mask (bv "\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff")))) (define %i486 - (qemu-platform "i486" "i386" - (bv "\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x06\x00") - (bv "\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff"))) + (qemu-platform + (name "i486") + (family "i386") + (magic (bv "\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x06\x00")) + (mask (bv "\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff")))) (define %alpha - (qemu-platform "alpha" "alpha" - (bv "\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x26\x90") - (bv "\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff"))) + (qemu-platform + (name "alpha") + (family "alpha") + (magic (bv "\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x26\x90")) + (mask (bv "\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff")))) (define %arm - (qemu-platform "arm" "arm" - (bv "\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff"))) + (qemu-platform + (name "arm") + (family "arm") + (magic (bv "\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff")))) (define %armeb - (qemu-platform "armeb" "arm" - (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff"))) + (qemu-platform + (name "armeb") + (family "arm") + (magic (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff")))) (define %sparc - (qemu-platform "sparc" "sparc" - (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x02") - (bv "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff"))) + (qemu-platform + (name "sparc") + (family "sparc") + (magic (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x02")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff")))) (define %sparc32plus - (qemu-platform "sparc32plus" "sparc" - (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x12") - (bv "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff"))) + (qemu-platform + (name "sparc32plus") + (family "sparc") + (magic (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x12")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff")))) (define %ppc - (qemu-platform "ppc" "ppc" - (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x14") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff"))) + (qemu-platform + (name "ppc") + (family "ppc") + (magic (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x14")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff")))) (define %ppc64 - (qemu-platform "ppc64" "ppc" - (bv "\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x15") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff"))) + (qemu-platform + (name "ppc64") + (family "ppc") + (magic (bv "\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x15")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff")))) (define %ppc64le - (qemu-platform "ppc64le" "ppcle" - (bv "\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x15\x00") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\x00"))) + (qemu-platform + (name "ppc64le") + (family "ppcle") + (magic (bv "\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x15\x00")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\x00")))) (define %m68k - (qemu-platform "m68k" "m68k" - (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x04") - (bv "\xff\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff"))) + (qemu-platform + (name "m68k") + (family "m68k") + (magic (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x04")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff")))) ;; XXX: We could use the other endianness on a MIPS host. (define %mips - (qemu-platform "mips" "mips" - (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff"))) + (qemu-platform + (name "mips") + (family "mips") + (magic (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff")))) (define %mipsel - (qemu-platform "mipsel" "mips" - (bv "\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff"))) + (qemu-platform + (name "mipsel") + (family "mips") + (magic (bv "\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff")))) (define %mipsn32 - (qemu-platform "mipsn32" "mips" - (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff"))) + (qemu-platform + (name "mipsn32") + (family "mips") + (magic (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff")))) (define %mipsn32el - (qemu-platform "mipsn32el" "mips" - (bv "\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff"))) + (qemu-platform + (name "mipsn32el") + (family "mips") + (magic (bv "\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff")))) (define %mips64 - (qemu-platform "mips64" "mips" - (bv "\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff"))) + (qemu-platform + (name "mips64") + (family "mips") + (magic (bv "\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff")))) (define %mips64el - (qemu-platform "mips64el" "mips" - (bv "\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff"))) + (qemu-platform + (name "mips64el") + (family "mips") + (magic (bv "\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff")))) (define %riscv32 - (qemu-platform "riscv32" "riscv" - (bv "\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xf3\x00") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff"))) + (qemu-platform + (name "riscv32") + (family "riscv") + (magic (bv "\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xf3\x00")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff")))) (define %riscv64 - (qemu-platform "riscv64" "riscv" - (bv "\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xf3\x00") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff"))) + (qemu-platform + (name "riscv64") + (family "riscv") + (magic (bv "\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xf3\x00")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff")))) (define %sh4 - (qemu-platform "sh4" "sh4" - (bv "\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2a\x00") - (bv "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff"))) + (qemu-platform + (name "sh4") + (family "sh4") + (magic (bv "\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2a\x00")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff")))) (define %sh4eb - (qemu-platform "sh4eb" "sh4" - (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2a") - (bv "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff"))) + (qemu-platform + (name "sh4eb") + (family "sh4") + (magic (bv "\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2a")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff")))) (define %s390x - (qemu-platform "s390x" "s390x" - (bv "\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x16") - (bv "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff"))) + (qemu-platform + (name "s390x") + (family "s390x") + (magic (bv "\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x16")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff")))) (define %aarch64 - (qemu-platform "aarch64" "arm" - (bv "\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xb7\x00") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff"))) + (qemu-platform + (name "aarch64") + (family "arm") + (magic (bv "\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xb7\x00")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff")))) (define %hppa - (qemu-platform "hppa" "hppa" - (bv "\x7f\x45\x4c\x46\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x0f") - (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff"))) + (qemu-platform + (name "hppa") + (family "hppa") + (magic (bv "\x7f\x45\x4c\x46\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x0f")) + (mask (bv "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff")))) (define %qemu-platforms (list %i386 %i486 %alpha %arm %sparc32plus %ppc %ppc64 %ppc64le %m68k @@ -715,9 +764,7 @@ potential infinite waits blocking libvirt.")) (qemu qemu-binfmt-configuration-qemu (default qemu)) (platforms qemu-binfmt-configuration-platforms - (default '())) ;safest default - (guix-support? qemu-binfmt-configuration-guix-support? - (default #t))) + (default '()))) ;safest default (define (qemu-platform->binfmt qemu platform) "Return a gexp that evaluates to a binfmt string for PLATFORM, using the @@ -733,14 +780,13 @@ given QEMU package." (bytevector->u8-list bv)))) (match platform - (($ <qemu-platform> name family magic mask) + (($ <qemu-platform> name family magic mask flags) ;; See 'Documentation/binfmt_misc.txt' in the kernel. #~(string-append ":qemu-" #$name ":M::" #$(bytevector->binfmt-string magic) ":" #$(bytevector->binfmt-string mask) - ":" #$(file-append qemu "/bin/qemu-" name) - ":" ;FLAGS go here - )))) + ":" #$qemu:static "/bin/qemu-" #$name + ":" #$flags)))) (define %binfmt-mount-point (file-system-mount-point %binary-format-file-system)) @@ -779,19 +825,6 @@ given QEMU package." '#$(map qemu-platform-name platforms)) #f))))))) -(define qemu-binfmt-guix-chroot - (match-lambda - ;; Add QEMU and its dependencies to the guix-daemon chroot so that our - ;; binfmt_misc handlers work in the chroot (otherwise 'execve' would fail - ;; with ENOENT.) - ;; - ;; The 'F' flag of binfmt_misc is meant to address this problem by loading - ;; the interpreter upfront rather than lazily, but apparently that is - ;; insufficient (perhaps it loads the 'qemu-ARCH' binary upfront but looks - ;; up its dependencies lazily?). - (($ <qemu-binfmt-configuration> qemu platforms guix?) - (if guix? (list qemu) '())))) - (define qemu-binfmt-service-type ;; TODO: Make a separate binfmt_misc service out of this? (service-type (name 'qemu-binfmt) @@ -800,9 +833,7 @@ given QEMU package." (const (list %binary-format-file-system))) (service-extension shepherd-root-service-type - qemu-binfmt-shepherd-services) - (service-extension guix-service-type - qemu-binfmt-guix-chroot))) + qemu-binfmt-shepherd-services))) (default-value (qemu-binfmt-configuration)) (description "This service supports transparent emulation of binaries |