diff options
Diffstat (limited to 'gnu/system.scm')
| -rw-r--r-- | gnu/system.scm | 93 |
1 files changed, 46 insertions, 47 deletions
diff --git a/gnu/system.scm b/gnu/system.scm index 93340cccd2..b218efc875 100644 --- a/gnu/system.scm +++ b/gnu/system.scm @@ -127,23 +127,21 @@ ;;; ;;; Code: -(define (bootable-kernel-arguments kernel-arguments system.drv root-device) - "Prepend extra arguments to KERNEL-ARGUMENTS that allow SYSTEM.DRV to be -booted from ROOT-DEVICE" - (cons* (string-append "--root=" - (cond ((uuid? root-device) - - ;; Note: Always use the DCE format because that's - ;; what (gnu build linux-boot) expects for the - ;; '--root' kernel command-line option. - (uuid->string (uuid-bytevector root-device) - 'dce)) - ((file-system-label? root-device) - (file-system-label->string root-device)) - (else root-device))) - #~(string-append "--system=" #$system.drv) - #~(string-append "--load=" #$system.drv "/boot") - kernel-arguments)) +(define (bootable-kernel-arguments system root-device) + "Return a list of kernel arguments (gexps) to boot SYSTEM from ROOT-DEVICE." + (list (string-append "--root=" + (cond ((uuid? root-device) + + ;; Note: Always use the DCE format because that's + ;; what (gnu build linux-boot) expects for the + ;; '--root' kernel command-line option. + (uuid->string (uuid-bytevector root-device) + 'dce)) + ((file-system-label? root-device) + (file-system-label->string root-device)) + (else root-device))) + #~(string-append "--system=" #$system) + #~(string-append "--load=" #$system "/boot"))) ;; System-wide configuration. ;; TODO: Add per-field docstrings/stexi. @@ -209,12 +207,11 @@ booted from ROOT-DEVICE" (sudoers-file operating-system-sudoers-file ; file-like (default %sudoers-specification))) -(define (operating-system-kernel-arguments os system.drv root-device) +(define (operating-system-kernel-arguments os root-device) "Return all the kernel arguments, including the ones not specified directly by the user." - (bootable-kernel-arguments (operating-system-user-kernel-arguments os) - system.drv - root-device)) + (append (bootable-kernel-arguments os root-device) + (operating-system-user-kernel-arguments os))) ;;; @@ -328,14 +325,11 @@ format is unrecognized. The object has its kernel-arguments extended in order to make it bootable." (let* ((file (string-append system "/parameters")) (params (call-with-input-file file read-boot-parameters)) - (root (boot-parameters-root-device params)) - (kernel-arguments (boot-parameters-kernel-arguments params))) - (if params - (boot-parameters - (inherit params) - (kernel-arguments (bootable-kernel-arguments kernel-arguments - system root))) - #f))) + (root (boot-parameters-root-device params))) + (boot-parameters + (inherit params) + (kernel-arguments (append (bootable-kernel-arguments system root) + (boot-parameters-kernel-arguments params)))))) (define (boot-parameters->menu-entry conf) (menu-entry @@ -942,10 +936,11 @@ listed in OS. The C library expects to find it under "Return the bootloader configuration file for OS. Use OLD-ENTRIES (which is a list of <menu-entry>) to populate the \"old entries\" menu." (mlet* %store-monad - ((system (operating-system-derivation os)) - (root-fs -> (operating-system-root-file-system os)) + ((root-fs -> (operating-system-root-file-system os)) (root-device -> (file-system-device root-fs)) - (params (operating-system-boot-parameters os system root-device)) + (params (operating-system-boot-parameters os root-device + #:system-kernel-arguments? + #t)) (entry -> (boot-parameters->menu-entry params)) (bootloader-conf -> (operating-system-bootloader os))) (define generate-config-file @@ -956,10 +951,11 @@ listed in OS. The C library expects to find it under (lower-object (generate-config-file bootloader-conf (list entry) #:old-entries old-entries)))) -(define (operating-system-boot-parameters os system.drv root-device) - "Return a monadic <boot-parameters> record that describes the boot parameters -of OS. SYSTEM.DRV is either a derivation or #f. If it's a derivation, adds -kernel arguments for that derivation to <boot-parameters>." +(define* (operating-system-boot-parameters os root-device + #:key system-kernel-arguments?) + "Return a monadic <boot-parameters> record that describes the boot +parameters of OS. When SYSTEM-KERNEL-ARGUMENTS? is true, add kernel arguments +such as '--root' and '--load' to <boot-parameters>." (mlet* %store-monad ((initrd (operating-system-initrd-file os)) (store -> (operating-system-store-file-system os)) @@ -972,9 +968,9 @@ kernel arguments for that derivation to <boot-parameters>." (root-device root-device) (kernel (operating-system-kernel-file os)) (kernel-arguments - (if system.drv - (operating-system-kernel-arguments os system.drv root-device) - (operating-system-user-kernel-arguments os))) + (if system-kernel-arguments? + (operating-system-kernel-arguments os root-device) + (operating-system-user-kernel-arguments os))) (initrd initrd) (bootloader-name bootloader-name) (store-device (ensure-not-/dev (file-system-device store))) @@ -990,19 +986,22 @@ kernel arguments for that derivation to <boot-parameters>." (_ device))) -(define* (operating-system-boot-parameters-file os #:optional (system.drv #f)) +(define* (operating-system-boot-parameters-file os + #:key system-kernel-arguments?) "Return a file that describes the boot parameters of OS. The primary use of this file is the reconstruction of GRUB menu entries for old configurations. -SYSTEM.DRV is optional. If given, adds kernel arguments for that system to the -returned file (since the returned file is then usually stored into the -content-addressed \"system\" directory, it's usually not a good idea -to give it because the content hash would change by the content hash + +When SYSTEM-KERNEL-ARGUMENTS? is true, add kernel arguments such as '--root' +and '--load' to the returned file (since the returned file is then usually +stored into the content-addressed \"system\" directory, it's usually not a +good idea to give it because the content hash would change by the content hash being stored into the \"parameters\" file)." (mlet* %store-monad ((root -> (operating-system-root-file-system os)) (device -> (file-system-device root)) - (params (operating-system-boot-parameters os - system.drv - device))) + (params (operating-system-boot-parameters + os device + #:system-kernel-arguments? + system-kernel-arguments?))) (gexp->file "parameters" #~(boot-parameters (version 0) |