From nobody Tue Apr 29 05:54:20 2025 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4ZmqJX5Lgxz5vV82; Tue, 29 Apr 2025 05:54:20 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4ZmqJX4SRHz3vWv; Tue, 29 Apr 2025 05:54:20 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1745906060; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=etSIGlW+q7k57P3lHQuVol85wNXPv6B+rvUMILHxFAI=; b=Vei/T0cNmQ02WgF3ou3LpxHbU1DB5IZMuuOfUlNiXuINRcROS9XuQWcg//z9ZpIUVo7gHa S4pKEiAqKviwFMeqMqmS2KW8/iL6WFcL6qtTTKMNvj+8pjrFv4/6nOGhx462xH9PVSOy+P hH0AN2H9+lh+zZoctj23ri9eUYfW7OGBD6+hk9gBt5kUQhziEzx+8seh7zAHB/x/+rFIla LND6RHAcQOZ4nPDfdGm38Ymegk+x/iLR4Ho7MoipO0lDI4hJzJckHQRoSkc38YAtw/5ec7 WEU5B5rJnStviQ0WIllsUMZZOxRn9vGDKppxCJj7vQSRlTdEQihAelkJXPS5HQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1745906060; a=rsa-sha256; cv=none; b=TCWNbbcRs2D8OB22kU3cENhPCGL72TAsnkgcFNbNOt++aH/fHad/YhwhdcRQL023uARUJX Yo0ILgupx7/qngZL9Mzlm4RIeufBnAmVnkxOVEl4GAaf3ePb2CnsByfRRou0jiVzE3odZA XgsczuymlG3ZWFyDFX1aoE8AKHvUQBpWalLCXDDK4qzwmEhWsLSeIZnzeLF1oagWhSkEHK Qk5YRXo/g4tJcAhJLVyE6jOubh633dFpldQe9SjK9kg37tAtKQqoBm+0a8TThqjOXjTBeQ znvKtrKxjtH7teIECDMBDQ6Al5q7UthSnuDEEfBGh9NU8LfjLeJHZVMLmM/YDg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1745906060; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=etSIGlW+q7k57P3lHQuVol85wNXPv6B+rvUMILHxFAI=; b=HR800Pxai1z0wH+7ouKVxQtzaXAn9sVpBRvjAXqnL/tEN9HnRY4n/bNtN6I3ADm9s0GWqr 4/fdAlKj6WlGeATp+52vU8J598gSkfUpHFFwJ+Owgio6GJFN+WoF5YTK0CpzhX5KDEq4SP X7YgNFe9M3sX0TUmg8drXwEomoAsV+VMVZkMmhKjzr+MnnYDCoCF9WhEDZ/eialsSJxwtY xVVde2f3debz8HUDiMnGKgUn2MfwqCZ2Kv4aXfEdybkEIvhh399YDS+CTImHNGn6SIlfuc mUIh+15pw38dryLL/O6VCXdDkSuDGWyWUzOsZJ8z2s5v+9363Li7vrX3BpYgLA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4ZmqJX42BMz16wd; Tue, 29 Apr 2025 05:54:20 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 53T5sK60092545; Tue, 29 Apr 2025 05:54:20 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 53T5sK1A092542; Tue, 29 Apr 2025 05:54:20 GMT (envelope-from git) Date: Tue, 29 Apr 2025 05:54:20 GMT Message-Id: <202504290554.53T5sK1A092542@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Warner Losh Subject: git: 7554a5b611fd - main - arm: Hack to make kernel.bin into a zImage List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: imp X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 7554a5b611fd8e9a97cb6937a1110079568d4fd3 Auto-Submitted: auto-generated The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=7554a5b611fd8e9a97cb6937a1110079568d4fd3 commit 7554a5b611fd8e9a97cb6937a1110079568d4fd3 Author: Warner Losh AuthorDate: 2024-01-09 04:17:50 +0000 Commit: Warner Losh CommitDate: 2025-04-29 05:53:48 +0000 arm: Hack to make kernel.bin into a zImage Add a the zImage header before start. This allows some boot loaders (including xen) to load kernel.bin as a zImage. I did this for someone who was doing some work on getting FreeBSD/armv7 working on Xen. That never went anywhere, but this seems useful in its own right. Sponsored by: Netflix --- sys/arm/arm/locore.S | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/sys/arm/arm/locore.S b/sys/arm/arm/locore.S index 6acaaa8a7eb4..2947032531b1 100644 --- a/sys/arm/arm/locore.S +++ b/sys/arm/arm/locore.S @@ -98,6 +98,16 @@ .globl btext btext: ASENTRY_NP(_start) + .rept 8 /* zImage header */ + mov r0, r0 + .endr + + b start + + .word 0x016f2818 + .word 0 /* absolute load/run zImage address or 0 or PIC */ + .word (_edata - btext) +start: STOP_UNWINDING /* Can't unwind into the bootloader! */ /* Make sure interrupts are disabled. */